Gui: Fix NullPointerException when pressing backspace on empty search box [#841]

Bump commons-compress from 1.18 to 1.19 in /res/dev/make/maven

.gitignore

@@ -0,0 +1,2 @@
+*.iml
+**/.idea/**

100_core/src/gplx/Bry_.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -14,9 +14,10 @@ GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx;
-import java.lang.*;
-import gplx.core.brys.*; import gplx.core.primitives.*; import gplx.core.ios.*;
-import gplx.langs.htmls.entitys.*;
+
+import gplx.core.primitives.Int_obj_ref;
+import gplx.langs.htmls.entitys.Gfh_entity_;
+
 public class Bry_ {
 	public static final String Cls_val_name = "byte[]";
 	public static final byte[] Empty = new byte[0];
@@ -475,6 +476,19 @@ public class Bry_ {
 		else
 			return Bry_.Mid(src, txt_bgn, txt_end);
 	}
+	public static byte[] Trim_bgn(byte[] v, byte trim, int bgn) {
+		boolean trimmed = false;
+		int len = v.length;
+		int pos = bgn;
+		for (; pos < len; pos++) {
+			if (v[pos] == trim) {
+				trimmed = true;
+			}
+			else
+				break;
+		}
+		return trimmed ? Bry_.Mid(v, pos, len) : v;
+	}
 	public static byte[] Trim_end(byte[] v, byte trim, int end) {
 		boolean trimmed = false;
 		int pos = end - 1; // NOTE: -1 b/c callers will always be passing pos + 1; EX: src, src_len

100_core/src/gplx/Bry__tst.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -14,7 +14,11 @@ GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx;
-import org.junit.*; import gplx.core.primitives.*; import gplx.core.brys.*; import gplx.core.tests.*;
+
+import gplx.core.primitives.Int_obj_ref;
+import gplx.core.tests.Gftest;
+import org.junit.Test;
+
 public class Bry__tst {
 	private final Bry__fxt fxt = new Bry__fxt();
 	@Test public void new_ascii_() {
@@ -256,6 +260,12 @@ public class Bry__tst {
 	void Tst_match_bwd_any(String src, int src_end, int src_bgn, String find, boolean expd) {
 		Tfds.Eq(expd, Bry_.Match_bwd_any(Bry_.new_a7(src), src_end, src_bgn, Bry_.new_a7(find)));
 	}
+	@Test public void Trim_bgn() {
+		fxt.Test_trim_bgn(" a"		, Byte_ascii.Space, "a");	// trim.one
+		fxt.Test_trim_bgn("   a"	, Byte_ascii.Space, "a");	// trim.many
+		fxt.Test_trim_bgn("a"		, Byte_ascii.Space, "a");	// trim.none
+		fxt.Test_trim_bgn(""		, Byte_ascii.Space, "");	// empty
+	}
 	@Test public void Trim_end() {
 		fxt.Test_trim_end("a "		, Byte_ascii.Space, "a");	// trim.one
 		fxt.Test_trim_end("a   "	, Byte_ascii.Space, "a");	// trim.many
@@ -288,6 +298,10 @@ class Bry__fxt {
 		byte[] raw_bry = Bry_.new_a7(raw);
 		Tfds.Eq(expd, String_.new_u8(Bry_.Trim_end(raw_bry, trim, raw_bry.length)));
 	}
+	public void Test_trim_bgn(String raw, byte trim, String expd) {
+		byte[] raw_bry = Bry_.new_a7(raw);
+		Tfds.Eq(expd, String_.new_u8(Bry_.Trim_bgn(raw_bry, trim, 0)));
+	}
 	public void Test_new_u8(String raw, byte[] expd)			{Tfds.Eq_ary(expd, Bry_.new_u8(raw));}
 	public void Test_new_a7(String raw, byte[] expd)			{Tfds.Eq_ary(expd, Bry_.new_a7(raw));}
 	public void Test_add(String s, byte b, String expd)			{Tfds.Eq_str(expd, String_.new_u8(Bry_.Add(Bry_.new_u8(s), b)));}

100_core/src/gplx/Char_.java

@@ -56,13 +56,14 @@ public class Char_ {
 			if (itm == match) return true;
 		return false;
 	}
-	public static int To_int_or(char c, int or) {
+	public static int To_digit_or(char c, int or) {
 		switch (c) {
 			case '0': return 0; case '1': return 1; case '2': return 2; case '3': return 3; case '4': return 4;
 			case '5': return 5; case '6': return 6; case '7': return 7; case '8': return 8; case '9': return 9;
 			default: return or;
 		}
 	}
+	public static int To_int(char c) {return (int)c;}
 	public static String To_str(char[] ary, int pos, int length) {return new String(ary, pos, length);}
 	public static String To_str(int b) {return To_str((char)b);}
 	public static String To_str(char c) {return String.valueOf(c);}	

100_core/src/gplx/DateAdp.java

@@ -85,6 +85,9 @@ public class DateAdp implements CompareAble, Gfo_invk {
 				: Timezone_offset_test
 				;
 	}
+	public String Timezone_id() {
+		return "UTC"; // under.getTimeZone().getID(); // NOTE: timezone is always UTC, unless over-ridden by tests
+	}
 	public DateAdp XtoUtc() {
 		java.util.Date date = under.getTime();
 		java.util.TimeZone tz = under.getTimeZone();
@@ -109,6 +112,7 @@ public class DateAdp implements CompareAble, Gfo_invk {
 		long dst_adj = dst ? 3600000 : 0;
 		return (under.getTimeInMillis() + offsetFromUTC + dst_adj) / 1000;
 	}
+
 	public int WeekOfYear() {return under.get(Calendar.WEEK_OF_YEAR);}
 	public int Frac() {return under.get(Calendar.MILLISECOND);}
 	public DateAdp Add_frac(int val) {return CloneAndAdd(Calendar.MILLISECOND, val);}
@@ -147,5 +151,17 @@ public class DateAdp implements CompareAble, Gfo_invk {
 		this.under = new GregorianCalendar(year, month - Month_base0adj, day, hour, minute, second);
 		under.set(Calendar.MILLISECOND, frac);
 	}
+	protected DateAdp(int year, int month, int day, int hour, int minute, int second, int frac, TimeZone timeZone) {
+		this.under = new GregorianCalendar(timeZone);
+		under.set(year, month - Month_base0adj, day, hour, minute, second);
+		under.set(Calendar.MILLISECOND, frac);
+	}
+	public void SetTzOffset(int offset) {
+		java.util.Date date = under.getTime();
+		long msFromEpochGmt = date.getTime();
+		Calendar cal = Calendar.getInstance();
+		cal.setTimeInMillis(msFromEpochGmt - offset*1000);
+		under = cal;
+	}
 	public static final int Month_base0adj = 1;
 	}

100_core/src/gplx/DateAdp_.java

@@ -66,11 +66,13 @@ public class DateAdp_ implements Gfo_invk {
 	public static DateAdp dateTime_obj_(Object v) {return new DateAdp((GregorianCalendar)v);}
 	public static final    DateAdp_ Gfs = new DateAdp_();
 
-	public static int DaysInMonth(DateAdp date) {			
-		int rv = DaysInMonth_ary[date.Month() - Int_.Base1];
-		if (rv == 28 && IsLeapYear(date.Year())) rv = 29;
+	public static int DaysInMonth(DateAdp date) {return DaysInMonth(date.Month(), date.Year());}
+	public static int DaysInMonth(int month, int year) {
+		int rv = DaysInMonth_ary[month - Int_.Base1];
+		if (rv == 28 && IsLeapYear(year)) rv = 29;
 		return rv;
-	}	static int [] DaysInMonth_ary = {31,28,31,30,31,30,31,31,30,31,30,31};
+	}
+	private static int [] DaysInMonth_ary = {31,28,31,30,31,30,31,31,30,31,30,31};
 	public static boolean IsLeapYear(int year) {
 		if		(year % 4   != 0)	return false;
 		else if (year % 400 == 0)	return true;
@@ -114,10 +116,29 @@ public class DateAdp_ implements Gfo_invk {
 		c.setTimeInMillis(v);
 		return new DateAdp(c);
 	}
-		public static final int SegIdx_year = 0, SegIdx_month = 1, SegIdx_day = 2, SegIdx_hour = 3, SegIdx_minute = 4, SegIdx_second = 5, SegIdx_frac = 6, SegIdx_dayOfWeek = 7, SegIdx_weekOfYear = 8, SegIdx_dayOfYear = 9, SegIdx__max = 10;
+	public static DateAdp New_w_tz(int y, int m, int d, int h, int i, int s, int us, String tz_id) {
+		TimeZone tz = String_.Eq(tz_id, "UTC") ? TIME_ZONE__UTC : TimeZone.getTimeZone(tz_id);
+		return new DateAdp(y, m, d, h, i, s, us/1000, tz);
+	}
+	private static TimeZone TIME_ZONE__UTC = TimeZone.getTimeZone("UTC");
+		public static final int
+	  SegIdx_year = 0, SegIdx_month = 1, SegIdx_day = 2, SegIdx_hour = 3, SegIdx_minute = 4, SegIdx_second = 5
+	, SegIdx_frac = 6, SegIdx_dayOfWeek = 7, SegIdx_weekOfYear = 8, SegIdx_dayOfYear = 9, SegIdx_tz = 10, SegIdx__max = 11;
 	public static String Xto_str_fmt_or(DateAdp v, String fmt, String or) {
 		return v == null ? or : v.XtoStr_fmt(fmt);
 	}
+	public static DateAdp FirstDayofYear(int year) {
+		return new DateAdp(year, 1, 1, 0, 0, 0, 0);
+	}
+	public static DateAdp DateByDayofYear(int year, int day) {
+		return new DateAdp(year, 1, day, 0, 0, 0, 0);
+	}
+	public static DateAdp DateByBits(int y, int m, int d, int h, int i, int s, int us, int tz_ofs, byte[] tz_abbr) {
+		DateAdp dte = new DateAdp(y, m, d, h, i, s, us/1000);
+				if (tz_ofs != 0)
+					dte.SetTzOffset(tz_ofs);
+				return dte;
+	}
 	public static final String 
 	  Fmt_iso8561_date_time = "yyyy-MM-dd HH:mm:ss"
 	, Fmt__yyyyMMdd			= "yyyyMMdd";

100_core/src/gplx/DateAdp__tst.java

@@ -60,6 +60,9 @@ public class DateAdp__tst {
 	@Test  public void XtoUtc() {
 		fxt.Test__to_utc("2012-01-01 00:00", "2012-01-01 05:00");	//4=Wed
 	}
+	@Test  public void Timezone_id() {
+		fxt.Test__timezone_id("2015-12-26T10:03:53Z", "UTC");
+	}
 }
 class DateAdp__fxt {
 	public void Test__parse_gplx(String raw, String expd) {
@@ -83,4 +86,7 @@ class DateAdp__fxt {
 	public void Test__to_utc(String raw, String expd) {
 		Tfds.Eq(expd, DateAdp_.parse_gplx(raw).XtoUtc().XtoStr_fmt_yyyy_MM_dd_HH_mm());
 	}
+	public void Test__timezone_id(String raw, String expd) {
+		Gftest.Eq__str(expd, DateAdp_.parse_gplx(raw).XtoUtc().Timezone_id());
+	}
 }

100_core/src/gplx/Decimal_adp.java

@@ -20,6 +20,7 @@ import java.math.RoundingMode;
 import java.text.DecimalFormat;
 public class Decimal_adp implements CompareAble {
 	public int compareTo(Object obj) {Decimal_adp comp = (Decimal_adp)obj; return under.compareTo(comp.under);}
+	public Decimal_adp Floor()						{return Decimal_adp_.int_(this.To_int());}
 		protected Decimal_adp(BigDecimal v) {this.under = v;} private final BigDecimal under;
 	protected Decimal_adp(int v) {this.under = new BigDecimal(v);}
 	public Object Under() 								{return under;}
@@ -79,6 +80,9 @@ public class Decimal_adp implements CompareAble {
 		} 
 		return new Decimal_adp(new_val);
 	}
+	public Decimal_adp Round_to_default_precision() {
+		return new Decimal_adp(under.round(Decimal_adp_.Gplx_rounding_context));
+	}
 	public boolean Comp_gte(Decimal_adp v) 				{return under.doubleValue() >= v.under.doubleValue();}
 	public boolean Comp_gte(int v) 						{return under.doubleValue() >= v;}
 	public boolean Comp_lte(Decimal_adp v) 				{return under.doubleValue() <= v.under.doubleValue();}

100_core/src/gplx/Decimal_adp_.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2021 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -14,10 +14,15 @@ GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx;
-import java.math.BigDecimal;
import java.math.MathContext;
import java.math.RoundingMode;
import java.text.DecimalFormat;
+
+import java.math.BigDecimal;
+import java.math.MathContext;
+import java.math.RoundingMode;
+import java.text.DecimalFormat;
 import java.text.NumberFormat;
 import java.text.ParseException;
 import java.util.Locale;
+
 public class Decimal_adp_ {
 	public static final String Cls_val_name = "decimal";
 	public static final    Class<?> Cls_ref_type = Decimal_adp.class;
@@ -53,17 +58,34 @@ public class Decimal_adp_ {
 		return Decimal_adp_.float_(Float_.Div(dividend, divisor) * 100).To_str(fmt) + "%";
 	}
 	public static Decimal_adp divide_safe_(long lhs, long rhs) {return rhs == 0 ? Zero : divide_(lhs, rhs);}
-		public static Decimal_adp divide_(long lhs, long rhs) {
		return new Decimal_adp(new BigDecimal(lhs).divide(new BigDecimal(rhs), Gplx_rounding_context));
	}
	public static Decimal_adp int_(int v) {return new Decimal_adp(new BigDecimal(v));}
	public static Decimal_adp long_(long v) {return new Decimal_adp(new BigDecimal(v));}
-	public static Decimal_adp float_(float v) {return new Decimal_adp(new BigDecimal(v));}
	public static Decimal_adp double_(double v) {return new Decimal_adp(new BigDecimal(v));}
+		public static Decimal_adp divide_(long lhs, long rhs) {
+		return new Decimal_adp(new BigDecimal(lhs).divide(new BigDecimal(rhs), Gplx_rounding_context));
+	}
+	public static Decimal_adp int_(int v) {return new Decimal_adp(new BigDecimal(v));}
+	public static Decimal_adp long_(long v) {return new Decimal_adp(new BigDecimal(v));}
+	public static Decimal_adp float_(float v) {return new Decimal_adp(new BigDecimal(v));}
+	public static Decimal_adp double_(double v) {return new Decimal_adp(new BigDecimal(v));}
 	public static Decimal_adp double_thru_str_(double v) {return new Decimal_adp(BigDecimal.valueOf(v));}
-	public static Decimal_adp db_(Object v) {return new Decimal_adp((BigDecimal)v);}
	public static Decimal_adp parse(String raw) {
+	public static Decimal_adp db_(Object v) {return new Decimal_adp((BigDecimal)v);}
+	public static Decimal_adp parse(String raw) {
 		try {
 	        DecimalFormat nf = (DecimalFormat)NumberFormat.getInstance(Locale.US);	// always parse as US format; EX:".9" should not be ",9" in german; DATE:2016-01-31
 	        nf.setParseBigDecimal(true);
+	        // 2020-08-27|ISSUE#:565|Parse 'e' as 'E'; PAGE:en.w:Huntington_Plaza
+	        if (raw.contains("e")) {
+	        	raw = raw.replace("e", "E");
+	        }
+	        // 2021-02-13|ISSUE#:838|Parse '.' as '0.'; PAGE:en.w:2019_FIVB_Volleyball_Women%27s_Challenger_Cup#Pool_A
+			if (raw.startsWith(".")) {
+				raw = "0" + raw;
+			}
 	        BigDecimal bd = (BigDecimal)nf.parse(raw);
 			return new Decimal_adp(bd);
 		} catch (ParseException e) {
 			throw Err_.new_("Decimal_adp_", "parse to decimal failed", "raw", raw);
 		}
-	}
	public static Decimal_adp pow_10_(int v) {return new Decimal_adp(new BigDecimal(1).scaleByPowerOfTen(v));}
-	public static final MathContext RoundDownContext = new MathContext(0, RoundingMode.DOWN);
	public static final MathContext Gplx_rounding_context = new MathContext(14, RoundingMode.HALF_UP);	// changed from 28 to 14; DATE:2015-07-31
	}
+	}
+	public static Decimal_adp pow_10_(int v) {return new Decimal_adp(new BigDecimal(1).scaleByPowerOfTen(v));}
+	public static final MathContext RoundDownContext = new MathContext(0, RoundingMode.DOWN);
+	public static final MathContext Gplx_rounding_context = new MathContext(14, RoundingMode.HALF_UP);	// changed from 28 to 14; DATE:2015-07-31
+}

100_core/src/gplx/Decimal_adp__tst.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2021 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -14,7 +14,9 @@ GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx;
+
 import org.junit.*;
+
 public class Decimal_adp__tst {
 	private final Decimal_adp__fxt fxt = new Decimal_adp__fxt();
 	@Test public void divide_() {
@@ -37,6 +39,11 @@ public class Decimal_adp__tst {
 		fxt.Test_parse("1", "1");
 		fxt.Test_parse("1.2", "1.2");
 		fxt.Test_parse("0.1", "0.1");
+		fxt.Test_parse("1.2E1", "12");
+		fxt.Test_parse("1.2e1", "12"); // 2020-08-27|ISSUE#:565|Parse 'e' as 'E'; PAGE:en.w:Huntington_Plaza
+	}
+	@Test public void parse_dot() {
+		fxt.Test_parse(".", "0"); // 2021-02-13|ISSUE#:838|Parse '.' as '0.'; PAGE:en.w:2019_FIVB_Volleyball_Women%27s_Challenger_Cup#Pool_A
 	}
 	@Test public void Truncate_decimal() {
 		fxt.Test_truncate_decimal("1", "1");

100_core/src/gplx/Double_.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -14,6 +14,7 @@ GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx;
+
 public class Double_ {
 	public static final String Cls_val_name = "double";
 	public static final    Class<?> Cls_ref_type = Double.class; 
@@ -42,7 +43,9 @@ public class Double_ {
 		int v_as_int = (int)v;			
 		return v == v_as_int
 			? Int_.To_str(v_as_int)		// convert to int, and call print String to eliminate any trailing decimal places
-			: Float_.To_str((float)v);	// calling ((float)v).toString is better at removing trailing 0s than String.format("%g", v). note that .net .toString() handles it better; EX:2449.600000000000d; DATE:2014-07-29
+			// DATE:2014-07-29; calling ((float)v).toString is better at removing trailing 0s than String.format("%g", v). note that .net .toString() handles it better; EX:2449.600000000000d
+			// DATE:2020-08-12; calling ToStrByPrintF b/c better at removing trailing 0s; ISSUE#:697;
+			: gplx.objects.primitives.Double_.ToStrByPrintF(v);
 	}
 	public static int Compare(double lhs, double rhs) {
 		if		(lhs == rhs) 	return CompareAble_.Same;

100_core/src/gplx/Gfo_usr_dlg__log_base.java

@@ -16,6 +16,7 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 package gplx;
 import gplx.core.strings.*; import gplx.core.consoles.*; import gplx.core.brys.fmtrs.*;
 public class Gfo_usr_dlg__log_base implements Gfo_usr_dlg__log {
+	private final    Object thread_lock = new Object();
 	private int archive_dirs_max = 8;
 	private Io_url log_dir, err_fil;
 	private final    Ordered_hash queued_list = Ordered_hash_.New();
@@ -85,8 +86,13 @@ public class Gfo_usr_dlg__log_base implements Gfo_usr_dlg__log {
 		} 
 		catch (Exception e) {Err_.Noop(e);}			// java.lang.StringBuilder can throw exceptions in some situations when called on a different thread; ignore errors
 	}	private String_bldr sb = String_bldr_.new_thread();	// NOTE: use java.lang.StringBuffer to try to avoid random exceptions when called on a different thread
-	private String Bld_msg(String s) {return sb.Add(Datetime_now.Get_force().XtoUtc().XtoStr_fmt_yyyyMMdd_HHmmss_fff()).Add(" ").Add(s).Add_char_nl().To_str_and_clear();}
+	private String Bld_msg(String s) {
+		synchronized (thread_lock) { // THREAD:synchronized neded b/c multiple threads can still mutate the same sb; ISSUE#:646; DATE:2020-03-16
+			return sb.Add(Datetime_now.Get_force().XtoUtc().XtoStr_fmt_yyyyMMdd_HHmmss_fff()).Add(" ").Add(s).Add_char_nl().To_str_and_clear();
+		}
+	}
 	private void Log_msg(Io_url url, String txt) {
+		synchronized (thread_lock) { // THREAD:synchronized neded b/c queued_list can be accessible by multiple threads; ISSUE#:646; DATE:2020-01-09
 		if (queue_enabled) {
 			String url_raw = url == null ? "mem" : url.Raw();
 			Usr_log_fil fil = (Usr_log_fil)queued_list.Get_by(url_raw);
@@ -101,6 +107,7 @@ public class Gfo_usr_dlg__log_base implements Gfo_usr_dlg__log {
 				Io_mgr.Instance.AppendFilStr(url, txt);
 		}
 		}
+	}
 	public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {
 		if		(ctx.Match(k, "enabled_"))				enabled = m.ReadYn("v");
 		else if	(ctx.Match(k, "archive_dirs_max_"))		archive_dirs_max = m.ReadInt("v");

100_core/src/gplx/Hash_adp.java

@@ -21,6 +21,7 @@ public interface Hash_adp extends gplx.core.lists.EnumerAble {
 	Object     Get_by_or_fail(Object key);
 	void       Add(Object key, Object val);
 	Hash_adp   Add_and_more(Object key, Object val);
+	Hash_adp   Add_many_as_key_and_val(Object... ary);
 	void       Add_as_key_and_val(Object val);
 	boolean    Add_if_dupe_use_1st(Object key, Object val);
 	void       Add_if_dupe_use_nth(Object key, Object val);

100_core/src/gplx/Hash_adp_.java

@@ -27,6 +27,7 @@ class Hash_adp_noop implements Hash_adp {
 	public Object Get_by_or_fail(Object key)				{throw Err_.new_missing_key(Object_.Xto_str_strict_or_null_mark(key));}
 	public void Add(Object key, Object val) {}
 	public Hash_adp Add_and_more(Object key, Object val) {return this;}
+	public Hash_adp Add_many_as_key_and_val(Object... ary) {return this;}
 	public void Add_as_key_and_val(Object val) {}
 	public void Add_if_dupe_use_nth(Object key, Object val) {}
 	public boolean Add_if_dupe_use_1st(Object key, Object val) {return false;}

100_core/src/gplx/Int_.java

@@ -28,6 +28,7 @@ public class Int_ {
 	, Null          = Int_.Min_value
 	, Base1         = 1 // for super 1 lists / arrays; EX: PHP; [a, b, c]; [1] => a
 	, Offset_1      = 1 // common symbol for + 1 after current pos; EX: String_.Mid(lhs + Offset_1, rhs)
+	, Zero          = 0
 	;
 
 	public static int Cast(Object obj) {

100_core/src/gplx/Io_url__tst.java

@@ -24,7 +24,9 @@ public class Io_url__tst {
 class Io_url__fxt {
 	public void Clear() {Io_mgr.Instance.InitEngine_mem();}
 	public void Test__New__http_or_null(boolean os_is_wnt, String raw, String expd) {
+		int curTid = Op_sys.Cur().Tid();
 		Op_sys.Cur_(os_is_wnt ? Op_sys.Tid_wnt : Op_sys.Tid_lnx);
 		Gftest.Eq__obj_or_null(expd, Io_url_.New__http_or_null(raw));
+		Op_sys.Cur_(curTid);
 	}
 }

100_core/src/gplx/Long_.java

@@ -40,7 +40,7 @@ public class Long_ {
 			if (raw == null || rawLen == 0) return or;
 			long rv = 0, factor = 1; int tmp = 0;
 			for (int i = rawLen; i > 0; i--) {
-				tmp = Char_.To_int_or(String_.CharAt(raw, i - 1), Int_.Min_value);
+				tmp = Char_.To_digit_or(String_.CharAt(raw, i - 1), Int_.Min_value);
 				if (tmp == Int_.Min_value) return or;
 				rv += (tmp * factor);
 				factor *= 10;

100_core/src/gplx/Math_.java

@@ -16,6 +16,7 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 package gplx;
 public class Math_ {
 	public static double	Pow(double val, double exponent) {return java.lang.Math.pow(val, exponent);}
+	public static int       Pow_int(int val, int exponent) {return (int)java.lang.Math.pow(val, exponent);}
 	public static double	Pi = java.lang.Math.PI; 
 	public static double	E = java.lang.Math.E; 
 	public static int		Ceil_as_int(double v) {return (int)Ceil(v);}

100_core/src/gplx/Type_.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -14,6 +14,7 @@ GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx;
+
 public class Type_ {//RF:2017-10-08
 	public static Class<?> Type_by_obj(Object o) {return o.getClass();}
 	public static Class<?> Type_by_primitive(Object o) {
@@ -45,6 +46,11 @@ public class Type_ {//RF:2017-10-08
 		return type.getName();
 	}
 
+	public static String SimpleName_by_obj(Object obj) {return obj == null ? String_.Null_mark : SimpleName(Type_by_obj(obj));}
+	public static String SimpleName(Class<?> type) {
+		return type.getSimpleName();
+	}
+
 	public static boolean Is_array(Class<?> t) {
 		return t.isArray(); 
 	}

100_core/src/gplx/core/bits/Bitmask_.java

@@ -33,6 +33,9 @@ public class Bitmask_ {
 		}
 		return rv;
 	}
+	public static int Set_or_add(int val, int flag) {
+		return val == 0 ? flag : val | flag;
+	}
 	public static boolean		Has_byte(byte val, byte find)	{return find == (val & find);}
 	public static byte		Add_byte(byte flag, byte itm)	{return (byte)(flag | itm);}
 }

100_core/src/gplx/core/lists/Hash_adp_base.java

@@ -20,6 +20,11 @@ public abstract class Hash_adp_base implements Hash_adp {
 	public Object Get_by_or_fail(Object key) {return Get_by_or_fail_base(key);}
 	public void Add(Object key, Object val) {Add_base(key, val);}
 	public Hash_adp Add_and_more(Object key, Object val) {Add_base(key, val); return this;}
+	public Hash_adp Add_many_as_key_and_val(Object... ary) {
+		for (Object itm : ary)
+			Add_base(itm, itm);
+		return this;
+	}
 	public void Add_as_key_and_val(Object val) {Add_base(val, val);}
 	public void Add_if_dupe_use_nth(Object key, Object val) {
 		Object existing = Fetch_base(key); if (existing != null) Del(key);	// overwrite if exists

100_core/src/gplx/core/lists/Sorted_hash.java

@@ -22,6 +22,11 @@ public class Sorted_hash implements Hash_adp {
 	public Object Get_by_or_fail(Object key) {return Get_by_or_fail_base(key);}
 	public void Add(Object key, Object val) {Add_base(key, val);}
 	public Hash_adp Add_and_more(Object key, Object val) {Add_base(key, val); return this;}
+	public Hash_adp Add_many_as_key_and_val(Object... ary) {
+		for (Object itm : ary)
+			Add_base(itm, itm);
+		return this;
+	}
 	public void Add_as_key_and_val(Object val) {Add_base(val, val);}
 	public void Add_if_dupe_use_nth(Object key, Object val) {
 		Object existing = Fetch_base(key); if (existing != null) Del(key);	// overwrite if exists

100_core/src/gplx/core/primitives/ObjectWrapperRef.java

@@ -0,0 +1,25 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.core.primitives;
+
+import gplx.Object_;
+
+public class ObjectWrapperRef {
+	public ObjectWrapperRef() {}
+	public Object Val() {return val;} public ObjectWrapperRef Val_(Object v) {val = v; return this;} private Object val;
+	public ObjectWrapperRef Val_null_() {return Val_(null);}
+	@Override public String toString() {return Object_.Xto_str_strict_or_null(val);}
+}

100_core/src/gplx/core/strings/String_bldr.java

@@ -37,7 +37,9 @@ public interface String_bldr {
 	String_bldr Add(char c);
 	String_bldr Add(int i);
 	String_bldr Add_obj(Object o);
-	String_bldr Add_mid(char[] ary, int bgn, int count);
+	String_bldr Add_mid(String str, int bgn, int end);
+	String_bldr Add_mid_len(char[] ary, int bgn, int count);
+	String_bldr Add_mid_len(String str, int bgn, int count);
 	String_bldr Add_at(int idx, String s);
 	String_bldr Del(int bgn, int len);
 }
@@ -82,7 +84,9 @@ abstract class String_bldr_base implements String_bldr {
 	public abstract String_bldr Add(String s);
 	public abstract String_bldr Add(char c);
 	public abstract String_bldr Add(int i);
-	public abstract String_bldr Add_mid(char[] ary, int bgn, int count);
+	public abstract String_bldr Add_mid(String str, int bgn, int end);
+	public abstract String_bldr Add_mid_len(char[] ary, int bgn, int count);
+	public abstract String_bldr Add_mid_len(String str, int bgn, int count);
 	public abstract String_bldr Add_obj(Object o);
 	public abstract String_bldr Del(int bgn, int len);
 }
@@ -95,7 +99,9 @@ class String_bldr_thread_single extends String_bldr_base {
 	@Override public String_bldr Add(String s) {sb.append(s); return this;}						
 	@Override public String_bldr Add(char c) {sb.append(c); return this;}						
 	@Override public String_bldr Add(int i) {sb.append(i); return this;}							
-	@Override public String_bldr Add_mid(char[] ary, int bgn, int count) {sb.append(ary, bgn, count); return this;}
+	@Override public String_bldr Add_mid(String str, int bgn, int end) {sb.append(str, bgn, end); return this;}
+	@Override public String_bldr Add_mid_len(char[] ary, int bgn, int count) {sb.append(ary, bgn, count); return this;}
+	@Override public String_bldr Add_mid_len(String str, int bgn, int count) {sb.append(str, bgn, count); return this;}
 	@Override public String_bldr Add_obj(Object o) {sb.append(o); return this;}					
 	@Override public String_bldr Del(int bgn, int len) {sb.delete(bgn, len); return this;}		
 }
@@ -108,7 +114,9 @@ class String_bldr_thread_multiple extends String_bldr_base {
 	@Override public String_bldr Add(String s) {sb.append(s); return this;}						
 	@Override public String_bldr Add(char c) {sb.append(c); return this;}						
 	@Override public String_bldr Add(int i) {sb.append(i); return this;}							
-	@Override public String_bldr Add_mid(char[] ary, int bgn, int count) {sb.append(ary, bgn, count); return this;}
+	@Override public String_bldr Add_mid(String str, int bgn, int end) {sb.append(str, bgn, end); return this;}
+	@Override public String_bldr Add_mid_len(char[] ary, int bgn, int count) {sb.append(ary, bgn, count); return this;}
+	@Override public String_bldr Add_mid_len(String str, int bgn, int count) {sb.append(str, bgn, count); return this;}
 	@Override public String_bldr Add_obj(Object o) {sb.append(o); return this;}					
 	@Override public String_bldr Del(int bgn, int len) {sb.delete(bgn, len); return this;}		
 }

100_core/src/gplx/core/tests/GfoTestMethod.java

@@ -0,0 +1,17 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.core.tests;
+public @interface GfoTestMethod {}

100_core/src/gplx/core/tests/Gftest.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -112,6 +112,7 @@ public class Gftest {
 		bfr.Add(Bry__line_end);
 		throw Err_.new_wo_type(bfr.To_str_and_clear());
 	}
+	public static void Eq__bool_n(boolean actl)			{Eq__bool(Bool_.N, actl, null);}
 	public static void Eq__bool_y(boolean actl)			{Eq__bool(Bool_.Y, actl, null);}
 	public static void Eq__bool_y(boolean actl, String msg_fmt, Object... msg_args)	{Eq__bool(Bool_.Y, actl, msg_fmt, msg_args);}
 	public static void Eq__bool(boolean expd, boolean actl)	{Eq__bool(expd, actl, null);}

100_core/src/gplx/core/texts/Base64Converter.java

@@ -22,6 +22,11 @@ public class Base64Converter {
         for(int i=0; i< ALPHABET.length; i++){
             toInt[ALPHABET[i]]= i;
         }
+    }
+    public static char GetIndexChar(int i) {return ALPHABET[i];}
+    public static int GetIndexInt(char c) {
+    	if (toInt == null) Init();
+    	return toInt[c];
     }
 	public static String EncodeString(String orig) {return Encode(Bry_.new_u8(orig));}
 	public static String Encode(byte[] buf){

100_core/src/gplx/core/threads/Thread_adp.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,8 +13,17 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.core.threads; import gplx.*; import gplx.core.*;
-import java.lang.*;
+package gplx.core.threads;
+
+import gplx.Cancelable;
+import gplx.Cancelable_;
+import gplx.Err_;
+import gplx.GfoMsg;
+import gplx.GfoMsg_;
+import gplx.Gfo_invk;
+import gplx.Gfo_invk_;
+import gplx.Gfo_log_;
+
 public class Thread_adp implements Runnable {
 	private final String thread_name; private final Cancelable cxl; private final boolean cxlable;
 	private final Gfo_invk invk_itm; private final String invk_cmd; private final GfoMsg invk_msg;
@@ -28,6 +37,7 @@ public class Thread_adp implements Runnable {
 	public boolean	Thread__cancelable()	{return cxlable;}
 	public boolean	Thread__is_alive()		{return thread == null ? false : thread.isAlive();}	
 	public void		Thread__interrupt()		{thread.interrupt();}								
+	public void		Thread__stop()          {thread.stop();}
 	public void run() {
 		try	 {
 			Gfo_invk_.Invk_by_msg(invk_itm, invk_cmd, invk_msg);

100_core/src/gplx/core/threads/Thread_adp_.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,7 +13,15 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.core.threads; import gplx.*; import gplx.core.*;
+package gplx.core.threads;
+
+import gplx.Cancelable;
+import gplx.Cancelable_;
+import gplx.Err_;
+import gplx.GfoMsg;
+import gplx.GfoMsg_;
+import gplx.Gfo_invk;
+
 public class Thread_adp_ {
 		public static void Sleep(int milliseconds) {
 		try {

100_core/src/gplx/core/tooling/asserts/TestAssert.java

@@ -0,0 +1,78 @@
+package gplx.core.tooling.asserts;
+
+import gplx.core.tests.Gftest;
+import gplx.core.tooling.dataCollectors.GfoDataCollectorGrp;
+import gplx.core.tooling.dataCollectors.GfoDataCollectorMgr;
+import gplx.langs.java.util.List_;
+
+import java.util.List;
+
+public interface TestAssert {
+    void Test(GfoDataCollectorGrp actlItm);
+    void NotePrepend(String s);
+    static void Test(String note, GfoDataCollectorMgr mgr, TestAssert.Grp[] itms) {
+        for (TestAssert.Grp itm : itms) {
+            itm.NotePrepend(note);
+            itm.Test(mgr.GetGrp(itm.Key()));
+        }
+    }
+    class Grp implements TestAssert {
+        private String key;
+        private TestAssert[] rules;
+        public Grp(String key, TestAssert... rules) {
+            this.key = key;
+            this.rules = rules;
+        }
+        public String Key() {return key;}
+        public void NotePrepend(String s) {
+            note = s;
+            for (TestAssert rule : rules) {
+                rule.NotePrepend(s);
+            }
+        }   private String note;
+        public void Test(GfoDataCollectorGrp grp) {
+            for (TestAssert rule : rules) {
+                rule.Test(grp);
+            }
+        }
+    }
+    class StringEq implements TestAssert {
+        private String key;
+        private String expdVal;
+        public StringEq(String key, String expd) {
+            this.key = key;
+            this.expdVal = expd;
+        }
+        public void NotePrepend(String s) {note = s + "." + key;} private String note;
+        public void Test(GfoDataCollectorGrp grp) {
+            String actlVal = (String)grp.Get(key);
+            Gftest.Eq__str(expdVal, actlVal, note);
+        }
+    }
+    class StringHas implements TestAssert {
+        private String key;
+        private String expdVal;
+        public StringHas(String key, String expd) {
+            this.key = key;
+            this.expdVal = expd;
+        }
+        public void NotePrepend(String s) {note = s + "." + key;} private String note;
+        public void Test(GfoDataCollectorGrp grp) {
+            String actlVal = (String)grp.Get(key);
+            Gftest.Eq__bool_y(actlVal.contains(expdVal), note);
+        }
+    }
+    class ListEq implements TestAssert {
+        private String key;
+        private List<?> expdList;
+        public ListEq(String key, Object... expd) {
+            this.key = key;
+            this.expdList = List_.NewByAry(expd);
+        }
+        public void NotePrepend(String s) {note = s + "." + key;} private String note;
+        public void Test(GfoDataCollectorGrp grp) {
+            List<?> actlList = (List<?>)grp.Get(key);
+            Gftest.Eq__ary(expdList.toArray(), actlList.toArray(), note);
+        }
+    }
+}

100_core/src/gplx/core/tooling/dataCollectors/GfoDataCollectorGrp.java

@@ -0,0 +1,24 @@
+package gplx.core.tooling.dataCollectors;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+
+public class GfoDataCollectorGrp {
+    private final String key;
+    private final LinkedHashMap<String, Object> hash = new LinkedHashMap<>();
+    public GfoDataCollectorGrp(String key) {
+        this.key = key;
+    }
+    public String Key() {return key;}
+    public GfoDataCollectorGrp Add(String dataKey, String dataVal) {
+        hash.put(dataKey, dataVal);
+        return this;
+    }
+    public GfoDataCollectorGrp Add(String dataKey, List<?> dataVal) {
+        hash.put(dataKey, dataVal);
+        return this;
+    }
+    public Object Get(String dataKey) {
+        return hash.get(dataKey);
+    }
+}

100_core/src/gplx/core/tooling/dataCollectors/GfoDataCollectorMgr.java

@@ -0,0 +1,13 @@
+package gplx.core.tooling.dataCollectors;
+
+import java.util.LinkedHashMap;
+
+public class GfoDataCollectorMgr {
+    private final LinkedHashMap<String, GfoDataCollectorGrp> hash = new LinkedHashMap<>();
+    public GfoDataCollectorGrp GetGrp(String grpKey) {return hash.get(grpKey);}
+    public GfoDataCollectorGrp AddGrp(String grpKey) {
+        GfoDataCollectorGrp grp = new GfoDataCollectorGrp(grpKey);
+        hash.put(grpKey, grp);
+        return grp;
+    }
+}

100_core/src/gplx/langs/java/util/List_.java

@@ -0,0 +1,13 @@
+package gplx.langs.java.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class List_ {
+    public static List<Object> NewByAry(Object[] ary) {
+        List<Object> rv = new ArrayList<>();
+        for (Object o : ary)
+            rv.add(o);
+        return rv;
+    }
+}

100_core/src/gplx/langs/regxs/Regx_adp.java

@@ -17,7 +17,10 @@ package gplx.langs.regxs; import gplx.*; import gplx.langs.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 public class Regx_adp {
-	@gplx.Internal protected Regx_adp(String regx) {Pattern_(regx);}
+	public Regx_adp(String regx, int flags) {
+		this.flags = flags;
+		Pattern_(regx);
+	}
 	public String Pattern() {return pattern;} public Regx_adp Pattern_(String val) {pattern = val; Under_sync(); return this;} private String pattern;
 	public boolean Pattern_is_invalid() {return pattern_is_invalid;} private boolean pattern_is_invalid = false;
 	public Exception Pattern_is_invalid_exception() {return pattern_is_invalid_exception;} private Exception pattern_is_invalid_exception = null;
@@ -38,14 +41,15 @@ public class Regx_adp {
 		}
 		return (Regx_match[])rv.To_ary(Regx_match.class);
 	}
+		private int flags = FLAG__DOTALL | FLAG__UNICODE_CHARACTER_CLASS;// JRE.7:UNICODE_CHARACTER_CLASS; added during %w fix for en.w:A#; DATE:2015-06-10
 	private Pattern under;
 	public Pattern Under() {return under;}
 	private void Under_sync() {
-		try {under = Pattern.compile(pattern, Pattern.DOTALL | Pattern.UNICODE_CHARACTER_CLASS);}	// JRE.7:UNICODE_CHARACTER_CLASS; added during %w fix for en.w:A#; DATE:2015-06-10 
+		try {under = Pattern.compile(pattern, flags);}
 		catch (Exception e) {	// NOTE: if invalid, then default to empty pattern (which should return nothing); EX:d:〆る generates [^]; DATE:2013-10-20
 			pattern_is_invalid = true;
 			pattern_is_invalid_exception = e;
-			under = Pattern.compile("", Pattern.DOTALL | Pattern.UNICODE_CHARACTER_CLASS);
+			under = Pattern.compile("", flags);
 		}
 	}
 	public Regx_match Match(String input, int bgn) {
@@ -56,11 +60,29 @@ public class Regx_adp {
 		Regx_group[] ary = Regx_group.Ary_empty;
 		int groups_len = match.groupCount();
 		if (success && groups_len > 0) {
+			// NOTE: by convention, there are n groups, but groups.count is n - 1 and groups[0] is entire match (not 1st group); see TEST: DATE:2019-12-28
+			groups_len++;
 			ary = new Regx_group[groups_len];
-			for (int i = 0; i < groups_len; i++)
-				ary[i] = new Regx_group(true, match.start(i + 1), match.end(i + 1), match.group(i + 1));				
+			for (int i = 0; i < groups_len; i++) {
+				int match_start = match.start(i);
+				ary[i] = new Regx_group(match_start != -1, match_start, match.end(i), match.group(i));
+			}
 		}
 		return new Regx_match(success, match_bgn, match_end, ary);
 	}
 	public String ReplaceAll(String input, String replace) {return under.matcher(input).replaceAll(replace);}
+	// https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html
+	public static final int
+	  FLAG__NONE                    = 0
+	, FLAG__UNIX_LINES              = Pattern.UNIX_LINES
+	, FLAG__CASE_INSENSITIVE        = Pattern.CASE_INSENSITIVE
+	, FLAG__COMMENTS                = Pattern.COMMENTS
+	, FLAG__MULTILINE               = Pattern.MULTILINE
+	, FLAG__LITERAL                 = Pattern.LITERAL
+	, FLAG__DOTALL                  = Pattern.DOTALL
+	, FLAG__UNICODE_CASE            = Pattern.UNICODE_CASE
+	, FLAG__CANON_EQ                = Pattern.CANON_EQ
+	, FLAG__UNICODE_CHARACTER_CLASS = Pattern.UNICODE_CHARACTER_CLASS
+	;
+	public static final    int FLAG__DEFAULT = FLAG__DOTALL | FLAG__UNICODE_CHARACTER_CLASS;// JRE.7:UNICODE_CHARACTER_CLASS; added during %w fix for en.w:A#; DATE:2015-06-10
 	}

100_core/src/gplx/langs/regxs/Regx_adp_.java

@@ -15,7 +15,7 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx.langs.regxs; import gplx.*; import gplx.langs.*;
 public class Regx_adp_ {
-	public static Regx_adp new_(String pattern) {return new Regx_adp(pattern);}
+	public static Regx_adp new_(String pattern) {return new Regx_adp(pattern, Regx_adp.FLAG__DEFAULT);}
 	public static List_adp Find_all(String src, String pat) {
 		int src_len = String_.Len(src);
 		Regx_adp regx = Regx_adp_.new_(pat);
@@ -34,7 +34,7 @@ public class Regx_adp_ {
 		return regx.ReplaceAll(raw, replace);
 	}
 	public static boolean Match(String input, String pattern) {
-		Regx_adp rv = new Regx_adp(pattern);
+		Regx_adp rv = new Regx_adp(pattern, Regx_adp.FLAG__DEFAULT);
 		return rv.Match(input, 0).Rslt();
 	}
 }

100_core/src/gplx/langs/regxs/Regx_adp__tst.java

@@ -49,7 +49,9 @@ public class Regx_adp__tst implements TfdsEqListItmStr {
 		tst_Matches("b", "a b c b a b b", matches_(2, 6, 10, 12));	// BUGFIX: multiple entries did not work b/c of += instead of +
 	}
 	@Test  public void Groups() {
-		tst_Groups("abc def ghi dz", "(d\\p{L}+)", "def", "dz");
+		tst_Groups("abc def ghi dz", "(d\\p{L}+)", "def", "def", "dz", "dz");
+		tst_Groups("abc def", "(de)(g?)", "de", "de", ""); // NOTE: (g?) doesn't capture anything, but still add a group for it; DATE:2019-12-28
+		tst_Groups("-123.456", "^-?(([0-9]+)(?:\\.([0-9]+))?)", "-123.456", "123.456", "123", "456"); // NOTE: -123.456 captured even though it's not part of a group; DATE:2019-12-28
 	}
 	Regx_match[] matches_(int... bgnAry) {
 		int aryLen = Array_.Len(bgnAry);

100_core/src/gplx/langs/regxs/Regx_match.java

@@ -26,6 +26,7 @@ public class Regx_match {
 	public int Find_bgn() {return find_bgn;} private final    int find_bgn;
 	public int Find_end() {return find_end;} private final    int find_end;
 	public int Find_len() {return find_end - find_bgn;}
+	public String Find_str(String s) {return String_.Mid(s, find_bgn, find_end);}
 	public Regx_group[] Groups() {return groups;} private final    Regx_group[] groups;
 
 	public static final    Regx_match[] Ary_empty = new Regx_match[0];

100_core/src/gplx/langs/xmls/XmlAtrList.java

@@ -22,6 +22,11 @@ public class XmlAtrList {
 		Node xatr = list.getNamedItem(key);
 		return (xatr == null) ? or : xatr.getNodeValue();
 	}
+	public XmlAtr Get_by(String key) {
+		Node xatr = list.getNamedItem(key);
+		if (xatr == null) throw Err_.new_missing_key(key);
+		return new XmlAtr(xatr);
+	}
 	public XmlAtr Fetch(String key) {
 		Node xatr = list.getNamedItem(key); if (xatr == null) throw Err_.new_missing_key(key);
 		return new XmlAtr(xatr);

100_core/src/gplx/langs/xmls/XmlDoc_.java

@@ -29,15 +29,45 @@ import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamResult;
 import org.w3c.dom.Document;
 import org.w3c.dom.NodeList;
+import org.xml.sax.EntityResolver;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 public class XmlDoc_ {
+	public static XmlNdeList Select_tags(XmlNde cur, String tag) {
+		XmlNdeList_cls_list rv = new XmlNdeList_cls_list(4); // NOTE: pass in an initial amount; do not pass 0
+		Select_tags(rv, cur, tag);
+		return rv;
+	}
+	private static void Select_tags(XmlNdeList_cls_list rv, XmlNde cur, String tag) {
+		if (String_.Eq(cur.Name(), tag)) {
+			rv.Add(cur);
+		}
+		XmlNdeList sub_ndes = cur.SubNdes();
+		int sub_ndes_len = sub_ndes.Count();
+		for (int i = 0; i < sub_ndes_len; i++) {
+			XmlNde sub_nde = sub_ndes.Get_at(i);
+			Select_tags(rv, sub_nde, tag);
+		}
+	}
 		public static XmlDoc parse(String raw) {return new XmlDoc(doc_(raw));}
 	static Document doc_(String raw) {
 		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
 		DocumentBuilder bldr = null;
-		try 	{bldr = factory.newDocumentBuilder();}
-		catch 	(ParserConfigurationException e) {throw Err_.new_exc(e, "xml", "failed to create newDocumentBuilder");}
+		try {
+			// NOTE: disable DTD validation else errors for "ldmlSupplemental.dtd" in plurals.xml; DATE:2020-01-01
+			// REF:https://stackoverflow.com/questions/24744175/non-validating-documentbuilder-trying-to-read-dtd-file
+			// REF:https://stackoverflow.com/questions/6204827/xml-parsing-too-slow
+			factory.setNamespaceAware(false);
+			factory.setValidating(false);
+			factory.setFeature("http://xml.org/sax/features/namespaces", false);
+			factory.setFeature("http://xml.org/sax/features/validation", false);
+			factory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
+			factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
+			bldr = factory.newDocumentBuilder();
+		}
+		catch (ParserConfigurationException e) {
+			throw Err_.new_exc(e, "xml", "failed to create newDocumentBuilder");
+		}
 		StringReader reader = new StringReader(raw);
 		InputSource source = new InputSource(reader);
 		Document doc = null;
@@ -47,5 +77,4 @@ public class XmlDoc_ {
 		return doc;
 	}
 	public static final String Err_XmlException = "gplx.xmls.XmlException";
-}
-//#}
+	}

110_gfml/src_100_tkn/gplx/gfml/GfmlLxr_.java

@@ -80,7 +80,7 @@ class GfmlLxr_group implements GfmlLxr {
 	public GfmlTkn MakeTkn(CharStream stream, int hookLength) {
 		while (stream.AtMid()) {
 			if (!ignoreOutput)
-				sb.Add_mid(stream.Ary(), stream.Pos(), hookLength);
+				sb.Add_mid_len(stream.Ary(), stream.Pos(), hookLength);
 			stream.MoveNextBy(hookLength);
 
 			String found = String_.cast(trie.FindMatch(stream));

140_dbs/src/gplx/dbs/Db_conn.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,19 +13,49 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.dbs; import gplx.*;
-import gplx.core.stores.*; import gplx.dbs.metas.*; import gplx.dbs.engines.*; import gplx.dbs.qrys.*; import gplx.dbs.sys.*; import gplx.dbs.conn_props.*; import gplx.dbs.qrys.bats.*;
+package gplx.dbs;
+
+import gplx.Bool_;
+import gplx.Double_;
+import gplx.Err_;
+import gplx.Gfo_log_;
+import gplx.Gfo_usr_dlg;
+import gplx.Gfo_usr_dlg_;
+import gplx.Int_;
+import gplx.Io_url;
+import gplx.List_adp;
+import gplx.List_adp_;
+import gplx.Rls_able;
+import gplx.String_;
+import gplx.core.stores.DataRdr;
+import gplx.core.stores.DataRdr_;
+import gplx.dbs.conn_props.Db_conn_props_mgr;
+import gplx.dbs.engines.Db_engine;
+import gplx.dbs.metas.Dbmeta_idx_fld;
+import gplx.dbs.metas.Dbmeta_tbl_mgr;
+import gplx.dbs.qrys.Db_qry__select_in_tbl;
+import gplx.dbs.qrys.Db_qry_delete;
+import gplx.dbs.qrys.Db_qry_insert;
+import gplx.dbs.qrys.Db_qry_sql;
+import gplx.dbs.qrys.Db_qry_update;
+import gplx.dbs.qrys.bats.Db_batch_mgr;
+import gplx.dbs.sys.Db_sys_mgr;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
 public class Db_conn {
 	private final    List_adp rls_list = List_adp_.New();
 	public Db_conn(Db_engine engine) {
 		this.engine = engine;
 		this.sys_mgr = new Db_sys_mgr(this);
+		this.wkrMgr = new SqlWkrMgr(this);
+		engine.CtorConn(wkrMgr);
 	}
 	public Db_conn_info			Conn_info()				{return engine.Conn_info();}
 	public Db_conn_props_mgr	Props()					{return engine.Props();}
 	public Db_batch_mgr			Batch_mgr()				{return engine.Batch_mgr();}
 	public Db_engine			Engine()				{return engine;} private final Db_engine engine;
 	public Db_sys_mgr			Sys_mgr()				{return sys_mgr;} private final Db_sys_mgr sys_mgr;	// autonum and other functions
+	public SqlWkrMgr            WkrMgr()                {return wkrMgr;} private final SqlWkrMgr wkrMgr;
 	public boolean				Eq(Db_conn comp)		{return String_.Eq(engine.Conn_info().Db_api(), comp.Conn_info().Db_api());}
 	public void					Txn_bgn(String name)	{engine.Txn_bgn(name);}
 	public void					Txn_end()				{engine.Txn_end();}

140_dbs/src/gplx/dbs/Db_crt_.java

@@ -28,6 +28,7 @@ public class Db_crt_ {
 	public static Criteria_fld New_between		(String key, Comparable lo, Comparable hi)	{return Criteria_fld.new_(key, Criteria_.between_(lo, hi));}
 	public static Criteria_fld New_in			(String key, Object... vals)				{return Criteria_fld.new_(key, Criteria_.in_(vals));}
 	public static Criteria_fld New_like			(String key, String pattern)					{return Criteria_fld.new_(key, Criteria_.like_(pattern));}
+	public static Criteria_fld New_like_not     (String key, String pattern)                    {return Criteria_fld.new_(key, Criteria_.Not(Criteria_.like_(pattern)));}
 
 	public static Criteria eq_many_(String... ary) {
 		Criteria rv = null;

140_dbs/src/gplx/dbs/Dbmeta_fld_list.java

@@ -29,6 +29,7 @@ public class Dbmeta_fld_list {
 	public String Add_int_pkey_autonum(String name)		{return Add(Dbmeta_fld_itm.new_int(name).Primary_y_().Autonum_y_());}
 	public String Add_int_autonum(String name)			{return Add(Dbmeta_fld_itm.new_int(name).Autonum_y_());}
 	public String Add_int_dflt(String name, int dflt)	{return Add(Dbmeta_fld_itm.new_int(name).Default_(dflt));}
+	public String Add_int_null(String name)             {return Add(Dbmeta_fld_itm.new_int(name).Nullable_y_());}
 	public String Add_long(String name)					{return Add(Dbmeta_fld_itm.new_long(name));}
 	public String Add_float(String name)				{return Add(Dbmeta_fld_itm.new_float(name));}
 	public String Add_double(String name)				{return Add(Dbmeta_fld_itm.new_double(name));}

140_dbs/src/gplx/dbs/engines/Db_engine.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,14 +13,32 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.dbs.engines; import gplx.*; import gplx.dbs.*;
-import gplx.core.stores.*; import gplx.dbs.metas.*; import gplx.dbs.sqls.*; import gplx.dbs.conn_props.*; import gplx.dbs.qrys.bats.*;
+package gplx.dbs.engines;
+
+import gplx.Gfo_usr_dlg;
+import gplx.Io_url;
+import gplx.core.stores.DataRdr;
+import gplx.dbs.Db_conn;
+import gplx.dbs.Db_conn_info;
+import gplx.dbs.Db_qry;
+import gplx.dbs.Db_rdr;
+import gplx.dbs.Db_stmt;
+import gplx.dbs.Dbmeta_fld_itm;
+import gplx.dbs.Dbmeta_idx_itm;
+import gplx.dbs.Dbmeta_tbl_itm;
+import gplx.dbs.conn_props.Db_conn_props_mgr;
+import gplx.dbs.metas.Dbmeta_tbl_mgr;
+import gplx.dbs.qrys.bats.Db_batch_mgr;
+import gplx.dbs.sqls.Sql_qry_wtr;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
 public interface Db_engine {
 	String				Tid();
 	Db_conn_info		Conn_info();
 	Db_conn_props_mgr	Props();
 	Db_batch_mgr		Batch_mgr();
 	Sql_qry_wtr			Sql_wtr();
+	void                CtorConn(SqlWkrMgr wkrMgr);
 	Db_engine			New_clone(Db_conn_info conn_info);
 	void				Conn_open();
 	void				Conn_term();

140_dbs/src/gplx/dbs/engines/mems/Mem_engine.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -15,6 +15,8 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx.dbs.engines.mems; import gplx.*; import gplx.dbs.*; import gplx.dbs.engines.*;
 import gplx.core.stores.*; import gplx.dbs.metas.*; import gplx.dbs.sqls.*; import gplx.dbs.conn_props.*; import gplx.dbs.qrys.bats.*;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
 public class Mem_engine implements Db_engine {
 	private final    Hash_adp tbl_hash = Hash_adp_.New();
 	Mem_engine(Db_conn_info conn_info) {
@@ -27,6 +29,7 @@ public class Mem_engine implements Db_engine {
 	public Db_batch_mgr			Batch_mgr() {return batch_mgr;} private final    Db_batch_mgr batch_mgr = new Db_batch_mgr();
 	public Mem_exec_select		Qry_runner() {return qry_runner;} private Mem_exec_select qry_runner;
 	public Sql_qry_wtr			Sql_wtr() {return sql_wtr;} private final    Sql_qry_wtr sql_wtr = Sql_qry_wtr_.New__basic();
+	@Override public void       CtorConn(SqlWkrMgr wkrMgr) {}
 	public Db_engine			New_clone(Db_conn_info conn_info) {return new Mem_engine(conn_info);}
 	public Db_stmt				Stmt_by_qry(Db_qry qry) {return new Mem_stmt(this, qry);}
 	public Mem_tbl				Tbls__get(String name)	{return (Mem_tbl)tbl_hash.Get_by(name);}

140_dbs/src/gplx/dbs/engines/mysql/Mysql_engine.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -15,10 +15,13 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx.dbs.engines.mysql; import gplx.*; import gplx.dbs.*; import gplx.dbs.engines.*;
 import gplx.core.stores.*; import gplx.dbs.engines.*; import gplx.dbs.sqls.*; import gplx.dbs.metas.*;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
 import java.sql.*;
 public class Mysql_engine extends Db_engine_sql_base {
 	@Override public String Tid() {return Mysql_conn_info.Tid_const;}
 	@Override public Sql_qry_wtr	Sql_wtr() {return Sql_qry_wtr_.New__mysql();}
+	@Override public void CtorConn(SqlWkrMgr wkrMgr) {}
 	@Override public Db_engine New_clone(Db_conn_info connectInfo) {
 		Mysql_engine rv = new Mysql_engine();
 		rv.Ctor(connectInfo);

140_dbs/src/gplx/dbs/engines/noops/Noop_engine.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -15,12 +15,15 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
  package gplx.dbs.engines.noops; import gplx.*; import gplx.dbs.*; import gplx.dbs.engines.*;
 import gplx.core.stores.*; import gplx.dbs.metas.*; import gplx.dbs.sqls.*; import gplx.dbs.conn_props.*; import gplx.dbs.qrys.bats.*;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
 public class Noop_engine implements Db_engine {
 	public String				Tid() {return Noop_conn_info.Tid_const;}
 	public Db_conn_info			Conn_info() {return Db_conn_info_.Null;}
 	public Db_conn_props_mgr	Props() {return props;} private final    Db_conn_props_mgr props = new Db_conn_props_mgr();
 	public Db_batch_mgr			Batch_mgr() {return batch_mgr;} private final    Db_batch_mgr batch_mgr = new Db_batch_mgr();
 	public Sql_qry_wtr			Sql_wtr() {return sql_wtr;} private final    Sql_qry_wtr sql_wtr = Sql_qry_wtr_.New__basic();
+	@Override public void       CtorConn(SqlWkrMgr wkrMgr) {}
 	public void					Conn_open() {}
 	public void					Conn_term() {}
 	public Db_engine			New_clone(Db_conn_info url) {return this;}

140_dbs/src/gplx/dbs/engines/postgres/Postgres_engine.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -15,10 +15,15 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx.dbs.engines.postgres; import gplx.*; import gplx.dbs.*; import gplx.dbs.engines.*;
 import gplx.core.stores.*; import gplx.dbs.engines.*; import gplx.dbs.sqls.*; import gplx.dbs.metas.*;
-import java.sql.*; 
+import gplx.dbs.wkrs.SqlWkrMgr;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+
 public class Postgres_engine extends Db_engine_sql_base {
 	@Override public String Tid() {return Postgres_conn_info.Tid_const;}
 	@Override public Sql_qry_wtr	Sql_wtr() {return Sql_qry_wtr_.New__mysql();}
+	@Override public void CtorConn(SqlWkrMgr wkrMgr) {}
 	@Override public Db_engine New_clone(Db_conn_info connectInfo) {
 		Postgres_engine rv = new Postgres_engine();
 		rv.Ctor(connectInfo);

140_dbs/src/gplx/dbs/engines/sqlite/Sqlite_engine.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -21,6 +21,8 @@ import gplx.core.consoles.Console_adp_;
 import gplx.core.consoles.Console_adp__sys;
 import gplx.core.ios.IoItmFil;
 
+import gplx.dbs.wkrs.SqlWkrMgr;
+import gplx.dbs.wkrs.randoms.SqliteRandomWkr;
 import org.sqlite.SQLiteConnection;
 public class Sqlite_engine extends Db_engine_sql_base {
 	private final    Sqlite_txn_mgr txn_mgr; private final    Sqlite_schema_mgr schema_mgr;
@@ -30,6 +32,10 @@ public class Sqlite_engine extends Db_engine_sql_base {
 	}
 	@Override public String Tid() {return Sqlite_conn_info.Key_const;}
 	@Override public gplx.dbs.sqls.Sql_qry_wtr Sql_wtr() {return Sql_qry_wtr_.New__sqlite();}
+	public void CtorConn(SqlWkrMgr wkrMgr) {
+		wkrMgr.Set(new SqliteRandomWkr());
+	}
+
 	@Override public Db_engine New_clone(Db_conn_info connectInfo) {
 		Sqlite_engine rv = new Sqlite_engine();
 		rv.Ctor(connectInfo);

140_dbs/src/gplx/dbs/engines/tdbs/TdbEngine.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -15,6 +15,8 @@ Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
 package gplx.dbs.engines.tdbs; import gplx.*; import gplx.dbs.*; import gplx.dbs.engines.*;
 import gplx.core.stores.*; import gplx.dbs.metas.*; import gplx.dbs.conn_props.*; import gplx.dbs.qrys.*; import gplx.dbs.sqls.*; import gplx.dbs.qrys.bats.*;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
 public class TdbEngine implements Db_engine {
 	public String Tid() {return Tdb_conn_info.Tid_const;}
 	public Db_conn_info			Conn_info() {return conn_info;} private Db_conn_info conn_info;
@@ -22,6 +24,7 @@ public class TdbEngine implements Db_engine {
 	public Db_batch_mgr			Batch_mgr() {return batch_mgr;} private final    Db_batch_mgr batch_mgr = new Db_batch_mgr();
 	public Sql_qry_wtr			Sql_wtr() {return sql_wtr;} private final    Sql_qry_wtr sql_wtr = Sql_qry_wtr_.New__basic();
 	public TdbDatabase Db() {return db;} TdbDatabase db;
+	@Override public void CtorConn(SqlWkrMgr wkrMgr) {}
 	public void Conn_open() {
 		Tdb_conn_info tdb_url = (Tdb_conn_info)conn_info;
 		String url_str = tdb_url.Server();

140_dbs/src/gplx/dbs/wkrs/SqlWkr.java

@@ -0,0 +1,20 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.dbs.wkrs;
+
+public interface SqlWkr {
+    String Key();
+}

140_dbs/src/gplx/dbs/wkrs/SqlWkrMgr.java

@@ -0,0 +1,43 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.dbs.wkrs;
+
+import gplx.dbs.Db_conn;
+import gplx.dbs.wkrs.randoms.SqlRandomWkr;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class SqlWkrMgr {
+    private final Map<String, SqlWkr> map = new HashMap<>();
+    private final Db_conn conn;
+    public SqlWkrMgr(Db_conn conn) {
+        this.conn = conn;
+    }
+    public SqlWkr Get(String key) {
+        return map.get(key);
+    }
+    public void Set(SqlWkr wkr) {
+        map.put(wkr.Key(), wkr);
+    }
+
+    public Object ExecRandomObj(String select, String from, String where) {
+		SqlRandomWkr wkr = (SqlRandomWkr)map.get(SqlWkrMgr.WKR_RANDOM);
+		return wkr.SelectRandomRow(conn, select, from, where)[0];
+    }
+
+    public static final String WKR_RANDOM = "random";
+}

140_dbs/src/gplx/dbs/wkrs/randoms/SqlRandomWkr.java

@@ -0,0 +1,23 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.dbs.wkrs.randoms;
+
+import gplx.dbs.Db_conn;
+import gplx.dbs.wkrs.SqlWkr;
+
+public interface SqlRandomWkr extends SqlWkr {
+    Object[] SelectRandomRow(Db_conn conn, String select, String from, String where);
+}

140_dbs/src/gplx/dbs/wkrs/randoms/SqliteRandomWkr.java

@@ -0,0 +1,60 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.dbs.wkrs.randoms;
+
+import gplx.RandomAdp_;
+import gplx.dbs.Db_conn;
+import gplx.dbs.Db_rdr;
+import gplx.dbs.Db_rdr_;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
+public class SqliteRandomWkr implements SqlRandomWkr {
+    @Override public String Key() {return SqlWkrMgr.WKR_RANDOM;}
+
+    // NOTE: selects only 1 random row to simplify method signature
+    // * uses COUNT, LIMIT, OFFSET, so should also work for MySQL
+    // * to return many rows, look at https://stackoverflow.com/questions/4114940/select-random-rows-in-sqlite
+    // EX: SELECT * FROM table WHERE id IN (SELECT id FROM table ORDER BY RANDOM() LIMIT x)
+    // Also, note that SQLite does not support TYPE_FORWARD_ONLY so can't jump back and forth thru ResultSet
+    @Override public Object[] SelectRandomRow(Db_conn conn, String select, String from, String where) {
+        Db_rdr rdr = Db_rdr_.Empty;
+        try {
+            String sqlSuffix = ("FROM " + from + " WHERE " + where);
+
+            // get rowCount of resultSet
+            rdr = conn.Stmt_sql("SELECT COUNT(*) AS RowCount " + sqlSuffix).Exec_select__rls_auto();
+            int rowCount = rdr.Read_int("RowCount");
+
+            // get random row
+            int random = RandomAdp_.new_().Next(rowCount);
+            rdr = conn.Stmt_sql("SELECT " + select + " " + sqlSuffix + " LIMIT 1 OFFSET " + random).Exec_select__rls_auto();
+
+            // return result
+            int fldsLen = rdr.Fld_len();
+            Object[] rv = new Object[fldsLen];
+            for (int i = 0; i < fldsLen; i++) {
+                rv[i] = rdr.Read_at(i);
+            }
+            return rv;
+        }
+        catch (Exception exc) { // for debugging; should log
+            throw exc;
+        }
+        finally {
+            rdr.Rls();
+        }
+    }
+}

140_dbs/src/gplx/dbs/wkrs/randoms/TestRandomWkr.java

@@ -0,0 +1,51 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.dbs.wkrs.randoms;
+
+import gplx.dbs.Db_conn;
+import gplx.dbs.wkrs.SqlWkrMgr;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TestRandomWkr implements SqlRandomWkr {
+    private final List<Object[]> list = new ArrayList<>();
+    private int index = 0;
+    public void AddRow(Object... ary) {
+        list.add(ary);
+    }
+    public void Clear() {
+        list.clear();
+        index = 0;
+    }
+    public String SelectRandomRowSelect() {return selectRandomRowSelect;} private String selectRandomRowSelect;
+    public String SelectRandomRowFrom() {return selectRandomRowFrom;} private String selectRandomRowFrom;
+    public String SelectRandomRowWhere() {return selectRandomRowWhere;} private String selectRandomRowWhere;
+
+    @Override public String Key() {return SqlWkrMgr.WKR_RANDOM;}
+    @Override public Object[] SelectRandomRow(Db_conn conn, String select, String from, String where) {
+        this.selectRandomRowSelect = select;
+        this.selectRandomRowFrom = from;
+        this.selectRandomRowWhere = where;
+        return list.get(index++);
+    }
+
+    public static TestRandomWkr New(Db_conn conn) {
+        TestRandomWkr wkr = new TestRandomWkr();
+        conn.WkrMgr().Set(wkr);
+        return wkr;
+    }
+}

150_gfui/src/gplx/gfui/kits/swts/Swt_html.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2021 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,10 +13,31 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.gfui.kits.swts; import gplx.*; import gplx.gfui.*; import gplx.gfui.kits.*;
+package gplx.gfui.kits.swts;
+
+import gplx.Bool_;
+import gplx.Bry_bfr;
+import gplx.Bry_bfr_;
+import gplx.Byte_ascii;
+import gplx.Err_;
+import gplx.GfoMsg;
+import gplx.Gfo_evt_itm;
+import gplx.Gfo_evt_mgr;
+import gplx.Gfo_evt_mgr_;
+import gplx.Gfo_evt_mgr_owner;
+import gplx.Gfo_invk;
+import gplx.Gfo_invk_;
+import gplx.GfsCtx;
+import gplx.Int_;
+import gplx.Io_mgr;
+import gplx.Io_url;
+import gplx.Keyval_hash;
+import gplx.Long_;
+import gplx.Object_;
+import gplx.String_;
+import gplx.Type_;
+import gplx.UsrDlg_;
 import gplx.core.envs.System_;
-import gplx.core.primitives.*;
-import gplx.core.threads.Thread_adp_;
 import gplx.gfui.controls.elems.GfuiElem;
 import gplx.gfui.controls.gxws.GxwCbkHost;
 import gplx.gfui.controls.gxws.GxwCore_base;
@@ -24,27 +45,32 @@ import gplx.gfui.controls.gxws.GxwElem;
 import gplx.gfui.controls.gxws.Gxw_html;
 import gplx.gfui.controls.gxws.Gxw_html_load_tid_;
 import gplx.gfui.controls.standards.Gfui_html;
-import gplx.gfui.controls.standards.Gfui_tab_mgr;
-import gplx.gfui.draws.ColorAdp;
-import gplx.gfui.draws.ColorAdp_;
-import gplx.gfui.ipts.*;
+import gplx.gfui.ipts.IptEvtDataMouse;
+import gplx.gfui.ipts.IptMouseBtn;
+import gplx.gfui.ipts.IptMouseBtn_;
+import gplx.gfui.ipts.IptMouseWheel_;
 import gplx.gfui.kits.core.Swt_kit;
-
-import java.security.acl.Owner;
-import gplx.*;
-
 import org.eclipse.swt.SWT;
-import org.eclipse.swt.browser.*;
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.widgets.*;
-import java.security.acl.Owner;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.browser.*;
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.widgets.*;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.browser.BrowserFunction;
+import org.eclipse.swt.browser.LocationEvent;
+import org.eclipse.swt.browser.LocationListener;
+import org.eclipse.swt.browser.ProgressEvent;
+import org.eclipse.swt.browser.ProgressListener;
+import org.eclipse.swt.browser.StatusTextEvent;
+import org.eclipse.swt.browser.StatusTextListener;
+import org.eclipse.swt.browser.TitleEvent;
+import org.eclipse.swt.browser.TitleListener;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.events.MouseWheelListener;
+import org.eclipse.swt.events.TraverseEvent;
+import org.eclipse.swt.events.TraverseListener;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
 
 public class Swt_html implements Gxw_html, Swt_control, FocusListener, Gfo_evt_mgr_owner {
 	private Swt_html_lnr_location lnr_location; private Swt_html_lnr_status lnr_status;
@@ -206,7 +232,10 @@ class Swt_html_lnr_status implements StatusTextListener {
 	public void Host_set(Gfo_evt_itm host) {this.host = host;} Gfo_evt_itm host;
 	@Override public void changed(StatusTextEvent ev) {
 		if (html_box.Kit().Kit_mode__term()) return;	// shutting down raises status changed events; ignore, else SWT exception thrown; DATE:2014-05-29 
-		String ev_text = ev.text;
+
+		// 2020-09-22|ISSUE#:799|normalize URL due to SWT 4.16
+		String ev_text = Swt_html_utl.NormalizeSwtUrl(ev.text);
+
 		String load_by_url_path = html_box.Load_by_url_path();
 		if (load_by_url_path != null) ev_text = String_.Replace(ev_text, load_by_url_path, "");	// remove "C:/xowa/tab_1.html"
 //		if (String_.Has(ev_text, "Loading [MathJax]")) return;	// suppress MathJax messages; // NOTE: disabled for 2.1 (which no longer outputs messages to status); DATE:2013-05-03
@@ -227,17 +256,28 @@ class Swt_html_lnr_location implements LocationListener {
 	@Override public void changed(LocationEvent arg) 	{Pub_evt(arg, Gfui_html.Evt_location_changed);}
 	@Override public void changing(LocationEvent arg) 	{Pub_evt(arg, Gfui_html.Evt_location_changing);}
 	private void Pub_evt(LocationEvent arg, String evt) {
-		String location = arg.location;
-		if (String_.Eq(location, "about:blank")) return;	// location changing event fires once when page is loaded; ignore
-		if (	html_box.Browser_tid() == Swt_html.Browser_tid_webkit	// webkit prefixes "about:blank" to anchors; causes TOC to fail when clicking on links; EX:about:blank#TOC1; DATE:2015-06-09
-			&&	String_.Has_at_bgn(location, "about:blank")) {
-			location = String_.Mid(location, 11);	// 11 = "about:blank".length 
+		// 2020-09-22|ISSUE#:799|normalize URL due to SWT 4.16
+		String location = Swt_html_utl.NormalizeSwtUrl(arg.location);
+
+		// location_changing fires once when page is loaded -> ignore
+		if (String_.Eq(location, String_.Empty)) {
+			return;
 		}
-		if (	html_box.Html_doc_html_load_tid() == Gxw_html_load_tid_.Tid_url	// navigating to file://page.html will fire location event; ignore if url mode
+
+		// navigating to file://page.html will fire location event; ignore if url mode (loading pages from file)
+		if (html_box.Html_doc_html_load_tid() == Gxw_html_load_tid_.Tid_url
 			&& 	String_.Has_at_bgn(location, "file:")
 			&& 	String_.Has_at_end(location, ".html")
-			)
+			) {
 			return;
+		}
+
+		if (String_.Has_at_bgn(location, "javascript:")) {
+			html_box.Html_js_eval_script(location);
+			arg.doit = false;
+			return;
+		}
+
 		try {
 			Gfo_evt_mgr_.Pub_obj(host, evt, "v", location);
 			arg.doit = false; // cancel navigation event, else there will be an error when trying to go to invalid location

150_gfui/src/gplx/gfui/kits/swts/Swt_html_utl.java

@@ -0,0 +1,40 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.gfui.kits.swts;
+
+import gplx.String_;
+
+public class Swt_html_utl {
+    private static final String URL_PREFIX_ABOUT = "about:";
+    private static final String URL_PREFIX_BLANK = "blank";
+
+    public static String NormalizeSwtUrl(String url) {
+        String rv = url;
+
+        // 2020-09-19|ISSUE#:799|strip "about:" from url due to SWT 4.16
+        rv = String_.Has_at_bgn(rv, URL_PREFIX_ABOUT)
+            ? String_.Mid(rv, URL_PREFIX_ABOUT.length())
+            : rv;
+
+        // 2015-06-09|webkit prefixes "about:blank" to anchors; causes TOC to fail when clicking on links; EX:about:blank#TOC1
+        // 2020-09-22|removed webkit check due to SWT 4.16; `html_box.Browser_tid() == Swt_html.Browser_tid_webkit`
+        // still strip "blank"; note that SWT 4.16 changes anchors from "file:///#anchor" to "en.w/wiki/page/#anchor"
+        rv = String_.Has_at_bgn(rv, URL_PREFIX_BLANK)
+            ? String_.Mid(rv, URL_PREFIX_BLANK.length())
+            : rv;
+        return rv;
+    }
+}

400_xowa/src/gplx/core/gfobjs/Gfobj_rdr__json.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,8 +13,24 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.core.gfobjs; import gplx.*; import gplx.core.*;
-import gplx.langs.jsons.*;
+package gplx.core.gfobjs;
+
+import gplx.Err_;
+import gplx.Io_mgr;
+import gplx.Io_url;
+import gplx.langs.jsons.Json_ary;
+import gplx.langs.jsons.Json_doc;
+import gplx.langs.jsons.Json_itm;
+import gplx.langs.jsons.Json_itm_;
+import gplx.langs.jsons.Json_itm_bool;
+import gplx.langs.jsons.Json_itm_decimal;
+import gplx.langs.jsons.Json_itm_int;
+import gplx.langs.jsons.Json_itm_long;
+import gplx.langs.jsons.Json_itm_str;
+import gplx.langs.jsons.Json_kv;
+import gplx.langs.jsons.Json_nde;
+import gplx.langs.jsons.Json_parser;
+
 public class Gfobj_rdr__json {
 	private final Json_parser parser = new Json_parser();
 	public Gfobj_grp Load(Io_url url) {
@@ -56,7 +72,7 @@ public class Gfobj_rdr__json {
 				case Json_itm_.Tid__nde:
 					Gfobj_nde sub_gnde = Gfobj_nde.New();
 					gnde.Add_nde(key_str, sub_gnde);
-					Parse_nde(Json_nde.cast(val), sub_gnde);
+					Parse_nde(Json_nde.Cast(val), sub_gnde);
 					break;
 				default:						throw Err_.new_unhandled_default(val_tid);
 			}
@@ -77,7 +93,7 @@ public class Gfobj_rdr__json {
 				}
 				case Json_itm_.Tid__nde: {
 					Gfobj_nde sub_ary = Gfobj_nde.New();
-					Parse_nde(Json_nde.cast(jsub), sub_ary);
+					Parse_nde(Json_nde.Cast(jsub), sub_ary);
 					ary[i] = sub_ary;
 					break;
 				}

400_xowa/src/gplx/core/primitives/Gfo_number_parser.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,7 +13,14 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.core.primitives; import gplx.*; import gplx.core.*;
+package gplx.core.primitives;
+
+import gplx.Byte_ascii;
+import gplx.Decimal_adp;
+import gplx.Decimal_adp_;
+import gplx.Int_;
+import gplx.Math_;
+
 public class Gfo_number_parser {
 	public int                  Rv_as_int() {return (int)num_val;} private long num_val = 0;
 	public long                 Rv_as_long() {return num_val;}
@@ -112,6 +119,7 @@ public class Gfo_number_parser {
 						has_exp = true;
 						has_neg = false;
 						has_plus = false;	// allow +1E+2
+						has_num = false; // 2020-09-07|ISSUE#:795|scientific notation requires coefficient; set has_num to false which will fail below if no coefficient
 					}
 					break;
 				case Byte_ascii.Ltr_A:

400_xowa/src/gplx/core/primitives/Gfo_number_parser_tst.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,8 +13,15 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.core.primitives; import gplx.*; import gplx.core.*;
-import org.junit.*;
+package gplx.core.primitives;
+
+import gplx.Bry_;
+import gplx.Decimal_adp;
+import gplx.Decimal_adp_;
+import gplx.Tfds;
+import org.junit.Before;
+import org.junit.Test;
+
 public class Gfo_number_parser_tst {
 	@Before public void init() {fxt.Clear();} private final Gfo_number_parser_fxt fxt = new Gfo_number_parser_fxt();
 	@Test public void Integer() {
@@ -42,6 +49,7 @@ public class Gfo_number_parser_tst {
 		fxt.Test_dec("1.234E-2", Decimal_adp_.parse(".01234"));
 		fxt.Test_dec("123.4E-2", Decimal_adp_.parse("1.234"));
 		fxt.Test_dec("+6.0E-3", Decimal_adp_.parse(".006"));
+		fxt.Test_err("e24", true); // 2020-09-07|ISSUE#:795|scientific notation requires coefficient
 	}
 	@Test public void Err() {
 		fxt.Test_err("+", true);

400_xowa/src/gplx/core/serials/binarys/BinaryLoadMgr.java

@@ -0,0 +1,46 @@
+package gplx.core.serials.binarys;
+
+import gplx.Bry_;
+import gplx.core.serials.core.SerialLoadMgr;
+import gplx.core.serials.core.SerialLoadWkr;
+import gplx.core.texts.Base64Converter;
+
+public class BinaryLoadMgr implements SerialLoadMgr {
+    public static final int CORE_VERSION = 0;
+    private byte[] data;
+    private int headerEnd;
+    private int dataVersion;
+
+    @Override
+    public int CoreVersion() {
+        return CORE_VERSION;
+    }
+
+    @Override
+    public int DataVersion() {return dataVersion;}
+
+    @Override
+    public void ReadHeader(byte[] data) {
+        this.data = data;
+        this.dataVersion = Base64Converter.GetIndexInt((char)data[1]);
+        this.headerEnd = 3; // 1=coreVersion; 2=dataVersion; 3=\n
+    }
+
+    @Override
+    public byte[] Data() {
+        return data;
+    }
+
+    @Override
+    public int HeaderEnd() {
+        return headerEnd;
+    }
+
+    @Override
+    public SerialLoadWkr NewLoadWkr() {
+        return new BinaryLoadWkr().Ctor(this);
+    }
+
+    public byte[] FldDlm() {return fldDlm;} private final byte[] fldDlm = Bry_.new_a7("|");
+    public byte[] RowDlm() {return rowDlm;} private final byte[] rowDlm = Bry_.new_a7("\n");
+}

400_xowa/src/gplx/core/serials/binarys/BinaryLoadWkr.java

@@ -0,0 +1,75 @@
+package gplx.core.serials.binarys;
+
+import gplx.Bry_;
+import gplx.Bry_find_;
+import gplx.Err_;
+import gplx.String_;
+import gplx.core.serials.core.SerialLoadMgr;
+import gplx.core.serials.core.SerialLoadWkr;
+
+public class BinaryLoadWkr implements SerialLoadWkr {
+    private BinaryLoadMgr mgr;
+    private byte[] fldDlm;
+    private byte[] rowDlm;
+    private byte[] src;
+    private int srcLen;
+    private int cur;
+
+    @Override
+    public SerialLoadWkr Ctor(SerialLoadMgr mgrObj) {
+        this.mgr = (BinaryLoadMgr)mgrObj;
+        this.fldDlm = mgr.FldDlm();
+        this.rowDlm = mgr.RowDlm();
+        return this;
+    }
+
+    @Override
+    public void Init(byte[] src, int cur) {
+        this.src = src;
+        this.srcLen = src.length;
+        this.cur = cur;
+    }
+
+    @Override
+    public String LoadStr() {
+        return String_.new_u8(LoadBry());
+    }
+
+    @Override
+    public int LoadInt() {
+        return LoadInt(rowDlm);
+    }
+
+    @Override
+    public byte[] LoadBry() {
+	    int bryLen = LoadInt(fldDlm);
+
+        // extract bry
+	    int bryBgn = cur;
+	    int bryEnd = bryBgn + bryLen;
+	    if (bryEnd > srcLen) {
+	        throw Err_.new_wo_type(String_.Format("End position is out of bounds; src={0} currentPosition={1} byteArrayLength={2} remainder={3}", src, cur, bryLen, Bry_.Mid(src, bryBgn, bryEnd)));
+	    }
+	    cur = bryEnd + rowDlm.length;
+
+	    return Bry_.Mid(src, bryBgn, bryEnd);
+    }
+
+    private int LoadInt(byte[] dlm) {
+        int bgn = cur;
+
+        // find position of delimiter
+	    int end = Bry_find_.Find_fwd(src, dlm, cur, srcLen);
+	    if (end == Bry_find_.Not_found) {
+	        throw Err_.new_wo_type(String_.Format("Failed to find delimiter for integer's end position; src={0} currentPosition={1} delimiter={2}", src, cur, fldDlm));
+	    }
+	    cur = end + dlm.length;
+
+        // parse int
+	    int val = Bry_.To_int_or(src, bgn, end, -1);
+	    if (val == -1) {
+	        throw Err_.new_wo_type(String_.Format("Failed to parse integer; src={0} currentPosition={1} string={2}", src, cur, Bry_.Mid(src, bgn, end)));
+	    }
+	    return val;
+    }
+}

400_xowa/src/gplx/core/serials/binarys/BinarySaveMgr.java

@@ -0,0 +1,16 @@
+package gplx.core.serials.binarys;
+
+import gplx.Bry_;
+import gplx.core.serials.core.SerialSaveMgr;
+import gplx.core.serials.core.SerialSaveWkr;
+
+public class BinarySaveMgr implements SerialSaveMgr {
+    public int CoreVersion() {return BinaryLoadMgr.CORE_VERSION;}
+    public byte[] FldDlm() {return fldDlm;} private final byte[] fldDlm = Bry_.new_a7("|");
+    public byte[] RowDlm() {return rowDlm;} private final byte[] rowDlm = Bry_.new_a7("\n");
+
+    @Override
+    public SerialSaveWkr NewSaveWkr() {
+        return new BinarySaveWkr().Ctor(this);
+    }
+}

400_xowa/src/gplx/core/serials/binarys/BinarySaveWkr.java

@@ -0,0 +1,60 @@
+package gplx.core.serials.binarys;
+
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Bry_bfr_;
+import gplx.core.serials.core.SerialSaveMgr;
+import gplx.core.serials.core.SerialSaveWkr;
+import gplx.core.texts.Base64Converter;
+
+public class BinarySaveWkr implements SerialSaveWkr {
+    private byte[] fldDlm;
+    private byte[] rowDlm;
+    private BinarySaveMgr mgr;
+    private final Bry_bfr bfr = Bry_bfr_.New();
+
+    @Override
+    public SerialSaveWkr Ctor(SerialSaveMgr mgrObj) {
+        this.mgr = (BinarySaveMgr)mgrObj;
+        this.fldDlm = mgr.FldDlm();
+        this.rowDlm = mgr.RowDlm();
+        return this;
+    }
+
+    @Override
+    public void Init() {
+        bfr.Clear();
+    }
+
+    @Override
+    public void SaveHdr(int dataVersion) {
+        // EX: AA -> SerialCoreMgrID+DataVersionID
+        bfr.Add_byte((byte)Base64Converter.GetIndexChar(mgr.CoreVersion()));
+        bfr.Add_byte((byte)Base64Converter.GetIndexChar(dataVersion)).Add(rowDlm);
+    }
+
+    @Override
+    public void SaveInt(int val) {
+        SaveInt(val, rowDlm);
+    }
+
+    @Override
+    public void SaveStr(String val) {
+        this.SaveBry(Bry_.new_u8(val));
+    }
+
+    @Override
+    public void SaveBry(byte[] val) {
+        SaveInt(val.length, fldDlm);
+		bfr.Add(val).Add(rowDlm);
+    }
+
+    private void SaveInt(int val, byte[] dlm) {
+		bfr.Add_int_variable(val).Add(dlm);
+    }
+
+    @Override
+	public byte[] ToBry() {
+	    return bfr.To_bry();
+	}
+}

400_xowa/src/gplx/core/serials/core/SerialCoreFactory.java

@@ -0,0 +1,24 @@
+package gplx.core.serials.core;
+
+import gplx.Err_;
+import gplx.core.serials.binarys.BinaryLoadMgr;
+import gplx.core.serials.binarys.BinarySaveMgr;
+import gplx.core.texts.Base64Converter;
+
+public class SerialCoreFactory {
+    public static SerialSaveMgr NewSaveMgr(int coreVersion) {
+        if (coreVersion == BinaryLoadMgr.CORE_VERSION) {
+            return new BinarySaveMgr();
+        }
+        throw Err_.new_unhandled_default(coreVersion);
+    }
+    public static SerialLoadMgr NewLoadMgr(byte[] data) {
+        int coreVersion = Base64Converter.GetIndexInt((char)data[0]);
+        if (coreVersion == BinaryLoadMgr.CORE_VERSION) {
+            BinaryLoadMgr loadMgr = new BinaryLoadMgr();
+            loadMgr.ReadHeader(data);
+            return loadMgr;
+        }
+        throw Err_.new_unhandled_default(coreVersion);
+    }
+}

400_xowa/src/gplx/core/serials/core/SerialLoadMgr.java

@@ -0,0 +1,10 @@
+package gplx.core.serials.core;
+
+public interface SerialLoadMgr {
+    int CoreVersion();
+    int DataVersion();
+    SerialLoadWkr NewLoadWkr();
+    void ReadHeader(byte[] data);
+    byte[] Data();
+    int HeaderEnd();
+}

400_xowa/src/gplx/core/serials/core/SerialLoadWkr.java

@@ -0,0 +1,9 @@
+package gplx.core.serials.core;
+
+public interface SerialLoadWkr {
+    SerialLoadWkr Ctor(SerialLoadMgr mgr);
+    void Init(byte[] src, int cur);
+    int LoadInt();
+    byte[] LoadBry();
+    String LoadStr();
+}

400_xowa/src/gplx/core/serials/core/SerialSaveMgr.java

@@ -0,0 +1,6 @@
+package gplx.core.serials.core;
+
+public interface SerialSaveMgr {
+    int CoreVersion();
+    SerialSaveWkr NewSaveWkr();
+}

400_xowa/src/gplx/core/serials/core/SerialSaveWkr.java

@@ -0,0 +1,11 @@
+package gplx.core.serials.core;
+
+public interface SerialSaveWkr {
+    SerialSaveWkr Ctor(SerialSaveMgr mgr);
+    void Init();
+    void SaveHdr(int dataVersion);
+    void SaveInt(int val);
+    void SaveStr(String val);
+    void SaveBry(byte[] val);
+    byte[] ToBry();
+}

400_xowa/src/gplx/langs/htmls/Gfh_tag_.java

@@ -81,8 +81,8 @@ public class Gfh_tag_ {	// NOTE: not serialized; used by tag_rdr
 	, Id__rp			= 59
 	, Id__rt			= 60
 	, Id__form			= 61
+	, Id__mark			= 62
 	;
-//		private static final int Id__ary_max = 60;
 	public static final    byte[]
 	  Bry__a			= Bry_.new_a7("a")
 	, Bry__ul			= Bry_.new_a7("ul")
@@ -167,6 +167,7 @@ public class Gfh_tag_ {	// NOTE: not serialized; used by tag_rdr
 	.Add_str_int("rp"			, Id__rp)
 	.Add_str_int("rt"			, Id__rt)
 	.Add_str_int("form"			, Id__form)
+	.Add_str_int("mark"			, Id__mark)
 	;
 	public static String To_str(int tid) {
 		switch (tid) {
@@ -235,6 +236,7 @@ public class Gfh_tag_ {	// NOTE: not serialized; used by tag_rdr
 			case Id__rp:			return "rp";
 			case Id__rt:			return "rt";
 			case Id__form:			return "form";
+			case Id__mark:			return "mark";
 			default:				throw Err_.new_unhandled(tid);
 		}
 	}

400_xowa/src/gplx/langs/htmls/docs/Gfh_tag_rdr.java

@@ -25,6 +25,7 @@ public class Gfh_tag_rdr {
 	public byte[] Src() {return src;} private byte[] src;
 	public int Src_end() {return src_end;} private int src_end;
 	public Bry_err_wkr Err_wkr() {return err_wkr;} private final    Bry_err_wkr err_wkr = new Bry_err_wkr();
+	public Gfh_tag_rdr Skip_ws_after_slash_y_() {skip_ws_after_slash_y = true; return this;} private boolean skip_ws_after_slash_y;
 	public Gfh_tag_rdr Reg(String tag_name, int tag_id) {name_hash.Add_str_int(tag_name, tag_id); return this;}
 	public Gfh_tag_rdr Init(byte[] ctx_name, byte[] src, int src_bgn, int src_end) {
 		this.src = src; this.pos = src_bgn; this.src_end = src_end;
@@ -205,6 +206,9 @@ public class Gfh_tag_rdr {
 				case Byte_ascii.Slash:														// EX: "<a/>"
 					name_end = name_pos;
 					tag_end = name_pos + 1; if (tag_end == src_end) return Tag__eos(tag_bgn);// EX: "<a/EOS"
+					if (skip_ws_after_slash_y) {// skip ws after slash; EX:"<br />"; ISSUE#:542: DATE:2020-03-09
+						tag_end = Bry_find_.Find_fwd_while_ws(src, tag_end, src_end);
+					}
 					if (src[tag_end] == Byte_ascii.Angle_end) {
 						atrs_end = name_end;
 						inline = true;
@@ -267,6 +271,9 @@ public class Gfh_tag_rdr {
 				case Byte_ascii.Slash:														// EX: "<a/>"
 					name_end = name_pos;
 					tag_end = name_pos + 1; if (tag_end == src_end) return Tag__eos(tag_bgn);// EX: "<a/EOS"
+					if (skip_ws_after_slash_y) {// skip ws after slash; EX:"<br />"; ISSUE#:542: DATE:2020-03-09
+						tag_end = Bry_find_.Find_fwd_while_ws(src, tag_end, src_end);
+					}
 					if (src[tag_end] == Byte_ascii.Angle_end) {
 						atrs_end = name_end;
 						inline = true;

400_xowa/src/gplx/langs/javascripts/JsString_.java

@@ -0,0 +1,157 @@
+package gplx.langs.javascripts;
+
+import gplx.Err_;
+import gplx.String_;
+import gplx.langs.javascripts.util.regex.JsPattern_;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class JsString_ {
+	public static boolean charAtEq(String s, int i, char m) {
+		int len = s.length();
+		if (i < 0 || i >= len) {
+			return false;
+		} else {
+			return s.charAt(i) == m;
+		}
+	}
+	public static boolean charAtEqNot(String s, int i, char m) {
+		int len = s.length();
+		if (i < 0 || i >= len) {
+			return false;
+		} else {
+			return s.charAt(i) != m;
+		}
+	}
+	public static String charAt(String s, int i) {
+		int len = s.length();
+		if (i < 0 || i >= len) {
+			return String_.Empty;
+		} else {
+			return Character.toString(s.charAt(i));
+		}
+	}
+	public static String slice(String str, int beginIndex) {
+		return slice(str, beginIndex, str.length());
+	}
+	// REF.JOS:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice
+	public static String slice(String str, int beginIndex, int endIndex) {
+		int srcLen = str.length();
+
+		// bgn
+		if (beginIndex < 0) {
+			beginIndex = srcLen + beginIndex;
+			if (beginIndex < 0) {
+				beginIndex = 0;
+			}
+		}
+		else if (beginIndex > srcLen) {
+			return "";
+		}
+
+		// end
+		if (endIndex < 0) {
+			endIndex = srcLen + endIndex;
+			if (endIndex < 0) {
+				endIndex = 0;
+			}
+		}
+		else if (endIndex > srcLen) {
+			endIndex = srcLen;
+		}
+		if (endIndex < beginIndex) {
+			return "";
+		}
+
+		return str.substring(beginIndex, endIndex);
+	}
+	private static final int
+		  REPLACE_TYPE_STR = 0
+		, REPLACE_TYPE_MATCHER = 1
+		, REPLACE_TYPE_ARG1 = 2
+		, REPLACE_TYPE_ARG2 = 3
+		, REPLACE_TYPE_ARG3 = 4
+		;
+	public interface JsStringReplaceArg1 {
+		String processMatcher(String all);
+	}
+	public interface JsStringReplaceArg2 {
+		String processMatcher(String all, String arg1);
+	}
+	public interface JsStringReplaceArg3 {
+		String processMatcher(String all, String arg1, String arg2);
+	}
+	public interface JsStringReplaceMatcher {
+		String processMatcher(Matcher m);
+	}
+	public static String replace(String s, ConcurrentHashMap<String, Pattern> map, String p, String repl) {
+		return replace(s, map, p, JsPattern_.NONE, repl);
+	}
+	public static String replace(String src, ConcurrentHashMap<String, Pattern> map, String pat, int patFlags, String repl) {
+		return replaceObject(src, map, pat, patFlags, repl, REPLACE_TYPE_STR);
+	}
+	public static String replaceArg1(String src, ConcurrentHashMap<String, Pattern> map, String pat, JsStringReplaceArg1 func) {
+		return replaceObject(src, map, pat, JsPattern_.NONE, func, REPLACE_TYPE_ARG1);
+	}
+	public static String replaceArg1(String src, ConcurrentHashMap<String, Pattern> map, String pat, int patFlags, JsStringReplaceArg1 func) {
+		return replaceObject(src, map, pat, patFlags, func, REPLACE_TYPE_ARG1);
+	}
+	public static String replaceArg2(String src, ConcurrentHashMap<String, Pattern> map, String pat, JsStringReplaceArg2 func) {
+		return replaceObject(src, map, pat, JsPattern_.NONE, func, REPLACE_TYPE_ARG2);
+	}
+	public static String replaceArg2(String src, ConcurrentHashMap<String, Pattern> map, String pat, int patFlags, JsStringReplaceArg2 func) {
+		return replaceObject(src, map, pat, patFlags, func, REPLACE_TYPE_ARG2);
+	}
+	public static String replaceArg3(String src, ConcurrentHashMap<String, Pattern> map, String pat, int patFlags, JsStringReplaceArg3 func) {
+		return replaceObject(src, map, pat, patFlags, func, REPLACE_TYPE_ARG3);
+	}
+	public static String replaceMatcher(String src, ConcurrentHashMap<String, Pattern> map, String pat, int patFlags, JsStringReplaceMatcher func) {
+		return replaceObject(src, map, pat, patFlags, func, REPLACE_TYPE_MATCHER);
+	}
+	private static String replaceObject(String src, ConcurrentHashMap<String, Pattern> map, String pat, int patFlags, Object replObj, int replType) {
+		Pattern pattern = JsPattern_.getOrCompile(map, pat, patFlags);
+
+		// match
+		Matcher m = pattern.matcher(src);
+		StringBuffer sb = null;
+		while (m.find()) {
+			// get repl
+			String repl = null;
+			switch (replType) {
+				case REPLACE_TYPE_STR:
+					repl = (String)replObj;
+					break;
+				case REPLACE_TYPE_MATCHER:
+					repl = ((JsStringReplaceMatcher)replObj).processMatcher(m);
+					break;
+				case REPLACE_TYPE_ARG1:
+					repl = ((JsStringReplaceArg1)replObj).processMatcher(m.group(0));
+					break;
+				case REPLACE_TYPE_ARG2:
+					repl = ((JsStringReplaceArg2)replObj).processMatcher(m.group(0), m.group(1));
+					break;
+				case REPLACE_TYPE_ARG3:
+					repl = ((JsStringReplaceArg3)replObj).processMatcher(m.group(0), m.group(1), m.group(2));
+					break;
+				default:
+					throw Err_.new_unhandled_default(replType);
+			}
+
+			if (sb == null) {
+				sb = new StringBuffer();
+			}
+			m.appendReplacement(sb, repl);
+		}
+
+		// return
+		if (sb != null) {
+			m.appendTail(sb);
+			return sb.toString();
+		}
+		else {
+			return src;
+		}
+	}
+}

400_xowa/src/gplx/langs/javascripts/util/regex/JsPattern_.java

@@ -0,0 +1,18 @@
+package gplx.langs.javascripts.util.regex;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.regex.Pattern;
+
+public class JsPattern_ {
+	public static final int NONE = 0;
+	public static Pattern getOrCompile(ConcurrentHashMap<String, Pattern> map, String pat) {return getOrCompile(map, pat, NONE);}
+	public static Pattern getOrCompile(ConcurrentHashMap<String, Pattern> map, String pat, int patFlags) {
+		// get pattern
+		Pattern pattern = map.get(pat);
+		if (pattern == null) {
+			pattern = Pattern.compile(pat, patFlags);
+			map.put(pat, pattern);
+		}
+		return pattern;
+	}
+}

400_xowa/src/gplx/langs/jsons/JsonDocBldr.java

@@ -0,0 +1,69 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.langs.jsons;
+
+import gplx.Bry_;
+import gplx.List_adp;
+import gplx.List_adp_;
+import gplx.String_;
+
+public class JsonDocBldr {
+	private final List_adp stack = List_adp_.New();
+	private final Json_doc doc = new Json_doc();
+	private Json_grp root;
+	private Json_grp cur;
+	JsonDocBldr() {}
+	public JsonDocBldr Clear(boolean isRootNode) {
+		this.root = isRootNode ? Json_nde.NewByDoc(doc, 0) : Json_ary.NewByDoc(doc, 0, 0);
+		doc.Ctor(Bry_.Empty, root);
+		this.cur = root;
+		stack.Clear();
+		return this;
+	}
+	public JsonDocBldr NdeBgn(String key) {
+		Json_nde nde = Json_nde.NewByDoc(doc, 1);
+		if (cur.Tid() == Json_itm_.Tid__nde) {
+			Json_kv kv = new Json_kv(Json_itm_str.NewByVal(key), nde);
+			cur.Add(kv);
+		}
+		else {
+			cur.Add(nde);
+		}
+		stack.Add(cur);
+		cur = nde;
+		return this;
+	}
+	public JsonDocBldr NdeEnd() {
+		this.cur = (Json_grp)List_adp_.Pop_last(stack);
+		return this;
+	}
+	public JsonDocBldr KvBool(String key, boolean val) {return Kv(key, Json_itm_bool.Get(val));}
+	public JsonDocBldr KvInt(String key, int val)      {return Kv(key, Json_itm_int.NewByVal(val));}
+	public JsonDocBldr KvStr(String key, byte[] val)   {return Kv(key, Json_itm_str.NewByVal(String_.new_u8(val)));}
+	public JsonDocBldr KvStr(String key, String val)   {return Kv(key, Json_itm_str.NewByVal(val));}
+	private JsonDocBldr Kv(String key, Json_itm val) {
+		Json_kv rv = new Json_kv(Json_itm_str.NewByVal(key), val);
+		cur.Add(rv);
+		return this;
+	}
+	public Json_doc ToDoc() {
+		return doc;
+	}
+	public Json_nde ToRootNde() {
+		return doc.Root_nde();
+	}
+	public static JsonDocBldr NewRootNde() {return new JsonDocBldr().Clear(true);}
+}

400_xowa/src/gplx/langs/jsons/Json_ary.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,11 +13,18 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Array_;
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Byte_ascii;
+import gplx.Err_;
+
 public class Json_ary extends Json_itm_base implements Json_grp {
-	public Json_ary(int src_bgn, int src_end) {this.Ctor(src_bgn, src_end);}
+	private Json_ary() {}
 	@Override public byte Tid() {return Json_itm_.Tid__ary;}
-	public void Src_end_(int v) {this.src_end = v;}
+	public void Src_end_(int v) {}
 	@Override public Object Data() {return null;}
 	@Override public byte[] Data_bry() {return null;}
 	public int Len() {return subs_len;} private int subs_len = 0, subs_max = 0;
@@ -26,7 +33,7 @@ public class Json_ary extends Json_itm_base implements Json_grp {
 		return (Json_nde)rv;
 	}
 	public Json_itm Get_at(int i) {return subs[i];}
-	public Json_nde Get_as_nde(int i) {return Json_nde.cast(subs[i]);}
+	public Json_nde Get_as_nde(int i) {return Json_nde.Cast(subs[i]);}
 	public Json_ary Add_many(Json_itm... ary) {
 		int len = ary.length;
 		for (int i = 0; i < len; i++)
@@ -75,4 +82,6 @@ public class Json_ary extends Json_itm_base implements Json_grp {
 		if (v == null || v.Tid() != Json_itm_.Tid__ary) throw Err_.new_("json", "itm is not array");
 		return (Json_ary)v;
 	}
+	public static Json_ary NewByDoc(Json_doc doc, int src_bgn, int src_end) {return new Json_ary();}
+	public static Json_ary NewByVal() {return new Json_ary();}
 }

400_xowa/src/gplx/langs/jsons/Json_doc.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,8 +13,15 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-import gplx.core.primitives.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Bry_bfr_;
+import gplx.Err_;
+import gplx.String_;
+import gplx.core.primitives.Gfo_number_parser;
+
 public class Json_doc {
 	private final byte[][] tmp_qry_bry = new byte[1][];
 	public void Ctor(byte[] src, Json_grp new_root) {
@@ -66,10 +73,10 @@ public class Json_doc {
 		byte[] path = paths[paths_idx];
 		int subs_len = owner.Len();
 		for (int i = 0; i < subs_len; i++) {
-			Json_kv itm = Json_kv.cast(owner.Get_at(i)); if (itm == null) continue;	// ignore simple props, arrays, ndes
+			Json_kv itm = Json_kv.Cast(owner.Get_at(i)); if (itm == null) continue;	// ignore simple props, arrays, ndes
 			if (!itm.Key_eq(path)) continue;
 			if (paths_idx == paths_last) return itm.Val();
-			Json_nde sub_nde = Json_nde.cast(itm.Val()); if (sub_nde == null) return null;	// match, but has not a nde; exit
+			Json_nde sub_nde = Json_nde.Cast(itm.Val()); if (sub_nde == null) return null;	// match, but has not a nde; exit
 			return Find_nde(sub_nde, paths, paths_last, paths_idx + 1);
 		}
 		return null;

400_xowa/src/gplx/langs/jsons/Json_doc_bldr.java

@@ -1,40 +0,0 @@
-/*
-XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
-
-XOWA is licensed under the terms of the General Public License (GPL) Version 3,
-or alternatively under the terms of the Apache License Version 2.0.
-
-You may use XOWA according to either of these licenses as is most appropriate
-for your project on a case-by-case basis.
-
-The terms of each license can be found in the source code repository:
-
-GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
-Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
-*/
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-public class Json_doc_bldr {
-	public Json_nde Nde(Json_doc jdoc) {return factory.Nde(jdoc, -1);}
-	public Json_nde Nde(Json_doc jdoc, Json_grp owner) {
-		Json_nde rv = factory.Nde(jdoc, -1);
-		owner.Add(rv);
-		return rv;
-	}
-	public Json_itm Str(byte[] v) {return Str(String_.new_u8(v));}
-	public Json_itm Str(String v) {return Json_itm_tmp.new_str_(v);}
-	public Json_itm Int(int v) {return Json_itm_tmp.new_int_(v);}
-	public Json_kv Kv_int(Json_grp owner, String key, int val)		{Json_kv rv = factory.Kv(Json_itm_tmp.new_str_(key), Json_itm_tmp.new_int_(val)); owner.Add(rv); return rv;}
-	public Json_kv Kv_str(Json_grp owner, String key, String val)	{Json_kv rv = factory.Kv(Json_itm_tmp.new_str_(key), Json_itm_tmp.new_str_(val)); owner.Add(rv); return rv;}
-	public Json_ary Kv_ary(Json_grp owner, String key, Json_itm... subs) {
-		Json_itm key_itm = Json_itm_tmp.new_str_(key);
-		Json_ary val_ary = factory.Ary(-1, -1);			
-		Json_kv kv = factory.Kv(key_itm, val_ary);
-		owner.Add(kv);
-		int len = subs.length;
-		for (int i = 0; i < len; i++)
-			val_ary.Add(subs[i]);
-		return val_ary;
-	}
-	Json_doc doc = new Json_doc(); Json_factory factory = new Json_factory();
-}

400_xowa/src/gplx/langs/jsons/Json_doc_wtr.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,9 +13,20 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-import gplx.objects.strings.unicodes.*;
-import gplx.core.encoders.*;
+package gplx.langs.jsons;
+
+import gplx.Bool_;
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Bry_bfr_;
+import gplx.Byte_ascii;
+import gplx.Double_;
+import gplx.Object_;
+import gplx.String_;
+import gplx.core.encoders.Hex_utl_;
+import gplx.objects.strings.unicodes.Ustring;
+import gplx.objects.strings.unicodes.Ustring_;
+
 public class Json_doc_wtr {
 	private int indent = -2;
 	private Bry_bfr bfr = Bry_bfr_.Reset(255);
@@ -96,6 +107,7 @@ public class Json_doc_wtr {
 		bfr.Add_byte_nl();
 		return this;
 	}
+	public Json_doc_wtr Kv(boolean comma, String key, byte[] val) {return Kv(comma, Bry_.new_u8(key), val);}
 	public Json_doc_wtr Kv(boolean comma, byte[] key, byte[] val) {
 		Key_internal(comma, key);
 		Str(val);
@@ -108,12 +120,15 @@ public class Json_doc_wtr {
 		bfr.Add_byte_nl();
 		return this;
 	}
+	public Json_doc_wtr Kv(boolean comma, String key, int v) {return Kv(comma, Bry_.new_u8(key), v);}
 	public Json_doc_wtr Kv(boolean comma, byte[] key, int v) {
 		Key_internal(comma, key);
 		Int(v);
 		bfr.Add_byte_nl();
 		return this;
 	}
+	public Json_doc_wtr Kv(boolean comma, String key, double v) {return Kv(comma, Bry_.new_u8(key), Bry_.new_u8(Double_.To_str(v)));}
+	public Json_doc_wtr Kv(boolean comma, String key, boolean v) {return Kv(comma, Bry_.new_u8(key), v ? Bool_.Y_bry : Bool_.N_bry);}
 	public Json_doc_wtr Key(boolean comma, String key) {return Key(comma, Bry_.new_u8(key));}
 	public Json_doc_wtr Key(boolean comma, byte[] key) {
 		Key_internal(comma, key);

400_xowa/src/gplx/langs/jsons/Json_factory.java

@@ -1,28 +0,0 @@
-/*
-XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
-
-XOWA is licensed under the terms of the General Public License (GPL) Version 3,
-or alternatively under the terms of the Apache License Version 2.0.
-
-You may use XOWA according to either of these licenses as is most appropriate
-for your project on a case-by-case basis.
-
-The terms of each license can be found in the source code repository:
-
-GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
-Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
-*/
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-public class Json_factory {
-	public Json_itm			Null()												{return Json_itm_null.Null;}
-	public Json_itm			Bool_n()											{return Json_itm_bool.Bool_n;}
-	public Json_itm			Bool_y()											{return Json_itm_bool.Bool_y;}
-	public Json_itm_int		Int(Json_doc doc, int bgn, int end)					{return new Json_itm_int(doc, bgn, end);}
-	public Json_itm_long	Long(Json_doc doc, int bgn, int end)				{return new Json_itm_long(doc, bgn, end);}
-	public Json_itm			Decimal(Json_doc doc, int bgn, int end)				{return new Json_itm_decimal(doc, bgn, end);}
-	public Json_itm			Str(Json_doc doc, int bgn, int end, boolean exact)		{return new Json_itm_str(doc, bgn, end, exact);}
-	public Json_kv			Kv(Json_itm key, Json_itm val)						{return new Json_kv(key, val);}
-	public Json_ary			Ary(int bgn, int end)								{return new Json_ary(bgn, end);}
-	public Json_nde			Nde(Json_doc doc, int bgn)							{return new Json_nde(doc, bgn);}
-}

400_xowa/src/gplx/langs/jsons/Json_itm.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,18 +13,20 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_bfr;
+import gplx.Object_;
+
 public interface Json_itm {
 	byte        Tid();
-	int			Src_bgn();
-	int			Src_end();
 	Object      Data();
 	byte[]      Data_bry();
-	void		Print_as_json(Bry_bfr bfr, int depth);
 	boolean     Data_eq(byte[] comp);
+	void        Print_as_json(Bry_bfr bfr, int depth);
 }
 class Json_itm_null extends Json_itm_base {
-	Json_itm_null() {this.Ctor(-1, -1);}
+	Json_itm_null() {}
 	@Override public byte Tid() {return Json_itm_.Tid__null;}
 	@Override public Object Data() {return null;}
 	@Override public void Print_as_json(Bry_bfr bfr, int depth) {bfr.Add(Object_.Bry__null);}

400_xowa/src/gplx/langs/jsons/Json_itm_base.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,15 +13,20 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_bfr;
+import gplx.Bry_bfr_;
+
 public abstract class Json_itm_base implements Json_itm {
 	public abstract byte Tid();
-	public void Ctor(int src_bgn, int src_end) {this.src_bgn = src_bgn; this.src_end = src_end;}
-	public int Src_bgn() {return src_bgn;} private int src_bgn;
-	public int Src_end() {return src_end;} protected int src_end;
 	public abstract Object Data();
 	public abstract byte[] Data_bry();
-	public String Print_as_json() {Bry_bfr bfr = Bry_bfr_.New(); Print_as_json(bfr, 0); return bfr.To_str_and_clear();}
+	public String Print_as_json() {
+		Bry_bfr bfr = Bry_bfr_.New();
+		Print_as_json(bfr, 0);
+		return bfr.To_str_and_clear();
+	}
 	public abstract void Print_as_json(Bry_bfr bfr, int depth);
 	@gplx.Virtual public boolean Data_eq(byte[] comp) {return false;}
 }

400_xowa/src/gplx/langs/jsons/Json_itm_bool.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,14 +13,22 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_bfr;
+
 public class Json_itm_bool extends Json_itm_base {
 	private boolean data;
-	public Json_itm_bool(boolean data) {this.data = data; this.Ctor(-1, -1);}
+	private Json_itm_bool(boolean data) {
+		this.data = data;
+	}
+
 	@Override public byte Tid() {return Json_itm_.Tid__bool;}
 	public boolean Data_as_bool() {return data;}
 	@Override public Object Data() {return data;}
 	@Override public byte[] Data_bry() {return data ? Json_itm_.Bry__true : Json_itm_.Bry__false;}
 	@Override public void Print_as_json(Bry_bfr bfr, int depth) {bfr.Add(data ? Json_itm_.Bry__true: Json_itm_.Bry__false);}
+
 	public static final Json_itm_bool Bool_n = new Json_itm_bool(false), Bool_y = new Json_itm_bool(true);
+	public static final Json_itm_bool Get(boolean v) {return v ? Bool_y : Bool_n;}
 }

400_xowa/src/gplx/langs/jsons/Json_itm_decimal.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,20 +13,54 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Decimal_adp;
+import gplx.Decimal_adp_;
+import gplx.Double_;
+import gplx.String_;
+
 public class Json_itm_decimal extends Json_itm_base {
-	private final    Json_doc doc; private Decimal_adp data; private byte[] data_bry;
-	public Json_itm_decimal(Json_doc doc, int src_bgn, int src_end) {this.Ctor(src_bgn, src_end); this.doc = doc;}
+	private final Json_doc doc;
+	private final int src_bgn, src_end;
+	private Decimal_adp data;
+	private byte[] data_bry;
+
+	private Json_itm_decimal(Json_doc doc, int src_bgn, int src_end, Decimal_adp data) {
+		this.doc = doc;
+		this.src_bgn = src_bgn;
+		this.src_end = src_end;
+		this.data = data;
+	}
 	@Override public byte Tid() {return Json_itm_.Tid__decimal;}
 	@Override public Object Data() {return this.Data_as_decimal();}
 	@Override public byte[] Data_bry() {
-		if (data_bry == null) data_bry = Bry_.Mid(doc.Src(), this.Src_bgn(), this.Src_end());
+		if (data_bry == null) {
+			data_bry = data == null
+				? Bry_.Mid(doc.Src(), src_bgn, src_end)
+				: Bry_.new_u8(Double_.To_str_loose(data.To_double()));
+		}
 		return data_bry;
 	}
 	public Decimal_adp Data_as_decimal() {
-		if (data == null)
-			data = Decimal_adp_.parse(String_.new_a7(this.Data_bry()));
+		if (data == null) {
+			String s = String_.new_a7(this.Data_bry());
+			s = String_.Replace(s, "e", "E"); // exponent can be either "e" or "E" in JSON, but Java decimal parse only takes "E"; ISSUE#:565; DATE:2020-03-25
+			data = Decimal_adp_.parse(s);
+		}
 		return data;
 	}
-	@Override public void Print_as_json(Bry_bfr bfr, int depth) {bfr.Add_mid(doc.Src(), this.Src_bgn(), this.Src_end());}
+	@Override public void Print_as_json(Bry_bfr bfr, int depth) {
+		if (doc == null) {
+			bfr.Add_str_a7(Double_.To_str_loose(data.To_double()));
+		}
+		else {
+			bfr.Add_mid(doc.Src(), src_bgn, src_end);
+		}
+	}
+
+	public static Json_itm_decimal NewByDoc(Json_doc doc, int src_bgn, int src_end) {return new Json_itm_decimal(doc, src_bgn, src_end, null);}
+	public static Json_itm_decimal NewByVal(Decimal_adp val) {return new Json_itm_decimal(null, -1, -1, val);}
 }

400_xowa/src/gplx/langs/jsons/Json_itm_int.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,21 +13,52 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Int_;
+
 public class Json_itm_int extends Json_itm_base {
 	private final Json_doc doc;
-	private byte[] data_bry; private int data; private boolean data_is_null = true;
-	public Json_itm_int(Json_doc doc, int src_bgn, int src_end) {this.Ctor(src_bgn, src_end); this.doc = doc;}
+	private final int src_bgn, src_end;
+	private byte[] data_bry;
+	private int data;
+	private boolean data_needs_making;
+
+	private Json_itm_int(Json_doc doc, int src_bgn, int src_end, boolean data_needs_making, int data) {
+		this.doc = doc;
+		this.src_bgn = src_bgn;
+		this.src_end = src_end;
+		this.data_needs_making = data_needs_making;
+		if (!data_needs_making)
+			this.data = data;
+	}
 	@Override public byte Tid() {return Json_itm_.Tid__int;}
+	@Override public Object Data() {return Data_as_int();}
+	@Override public byte[] Data_bry() {
+		if (data_bry == null) {
+			data_bry = doc == null
+				? Int_.To_bry(data)
+				: Bry_.Mid(doc.Src(), src_bgn, src_end);
+		}
+		return data_bry;
+	}
 	public int Data_as_int() {
-		if (data_is_null) {
-			data = doc.Utl_num_parser().Parse(doc.Src(), Src_bgn(), Src_end()).Rv_as_int();
-			data_is_null = false;
+		if (data_needs_making) {
+			data = doc.Utl_num_parser().Parse(doc.Src(), src_bgn, src_end).Rv_as_int();
+			data_needs_making = false;
 		}
 		return data;
 	}
-	@Override public Object Data() {return Data_as_int();}
-	@Override public byte[] Data_bry() {if (data_bry == null) data_bry = Bry_.Mid(doc.Src(), this.Src_bgn(), this.Src_end()); return data_bry;}
-	@Override public void Print_as_json(Bry_bfr bfr, int depth) {bfr.Add_mid(doc.Src(), this.Src_bgn(), this.Src_end());}
-	public static Json_itm_int cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__int ? null : (Json_itm_int)v;}
+	@Override public void Print_as_json(Bry_bfr bfr, int depth) {
+		if (doc == null)
+			bfr.Add_int_variable(data);
+		else
+			bfr.Add_mid(doc.Src(), src_bgn, src_end);
+	}
+
+	public static Json_itm_int NewByDoc(Json_doc doc, int src_bgn, int src_end) {return new Json_itm_int(doc, src_bgn, src_end, true, -1);}
+	public static Json_itm_int NewByVal(int val) {return new Json_itm_int(null, -1, -1, false, val);}
+	public static Json_itm_int Cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__int ? null : (Json_itm_int)v;}
 }

400_xowa/src/gplx/langs/jsons/Json_itm_long.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,21 +13,51 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Long_;
+
 public class Json_itm_long extends Json_itm_base {
 	private final Json_doc doc;
-	private byte[] data_bry; private long data; private boolean data_is_null = true;
-	public Json_itm_long(Json_doc doc, int src_bgn, int src_end) {this.Ctor(src_bgn, src_end); this.doc = doc;}
+	private final int src_bgn, src_end;
+	private byte[] data_bry;
+	private long data;
+	private boolean data_needs_making = true;
+	private Json_itm_long(Json_doc doc, int src_bgn, int src_end, boolean data_needs_making, long data) {
+		this.doc = doc;
+		this.src_bgn = src_bgn;
+		this.src_end = src_end;
+		this.data_needs_making = data_needs_making;
+		if (!data_needs_making)
+			this.data = data;
+	}
 	@Override public byte Tid() {return Json_itm_.Tid__long;}
+	@Override public Object Data() {return Data_as_long();}
+	@Override public byte[] Data_bry() {
+		if (data_bry == null) {
+			data_bry = doc == null
+				? Bry_.new_u8(Long_.To_str(data))
+				: Bry_.Mid(doc.Src(), src_bgn, src_end);
+		}
+		return data_bry;
+	}
 	public long Data_as_long() {
-		if (data_is_null) {
-			data = doc.Utl_num_parser().Parse(doc.Src(), Src_bgn(), Src_end()).Rv_as_long();
-			data_is_null = false;
+		if (data_needs_making) {
+			data = doc.Utl_num_parser().Parse(doc.Src(), src_bgn, src_end).Rv_as_long();
+			data_needs_making = false;
 		}
 		return data;
 	}
-	@Override public Object Data() {return Data_as_long();}
-	@Override public byte[] Data_bry() {if (data_bry == null) data_bry = Bry_.Mid(doc.Src(), this.Src_bgn(), this.Src_end()); return data_bry;}
-	@Override public void Print_as_json(Bry_bfr bfr, int depth) {bfr.Add_mid(doc.Src(), this.Src_bgn(), this.Src_end());}
-	public static Json_itm_long cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__long ? null : (Json_itm_long)v;}
+	@Override public void Print_as_json(Bry_bfr bfr, int depth) {
+		if (doc == null)
+			bfr.Add_long_variable(data);
+		else
+			bfr.Add_mid(doc.Src(), src_bgn, src_end);
+	}
+
+	public static Json_itm_long NewByDoc(Json_doc doc, int src_bgn, int src_end) {return new Json_itm_long(doc, src_bgn, src_end, true, -1);}
+	public static Json_itm_long NewByVal(long val) {return new Json_itm_long(null, -1, -1, false, val);}
+	public static Json_itm_long Cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__long ? null : (Json_itm_long)v;}
 }

400_xowa/src/gplx/langs/jsons/Json_itm_str.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,38 +13,97 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-import gplx.core.intls.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Bry_bfr_;
+import gplx.Byte_ascii;
+import gplx.String_;
+import gplx.core.intls.Utf16_;
+import gplx.langs.htmls.Gfh_utl;
+
 public class Json_itm_str extends Json_itm_base {
-	private final    boolean exact; private final    Json_doc doc;
-	private String data_str; private byte[] data_bry = null;
-	public Json_itm_str(Json_doc doc, int src_bgn, int src_end, boolean exact) {this.Ctor(src_bgn + 1, src_end - 1); this.doc = doc; this.exact = exact;}
-	@Override public byte Tid() {return Json_itm_.Tid__str;}
-	@Override public void Print_as_json(Bry_bfr bfr, int depth) {
-		bfr.Add_byte(Byte_ascii.Quote);
-		gplx.langs.htmls.Gfh_utl.Escape_html_to_bfr(bfr, doc.Src(), this.Src_bgn(), this.Src_end(), true, true, true, true, false);	// false to apos for backwards compatibility
-		bfr.Add_byte(Byte_ascii.Quote);
+	private final Json_doc doc;
+	private final int src_bgn, src_end;
+	private String data_str;
+	private byte[] data_bry;
+	private boolean data_needs_making;
+	private boolean escaped;
+
+	private Json_itm_str(Json_doc doc, int src_bgn, int src_end, String data_str, boolean escaped) {
+		this.doc = doc;
+		this.src_bgn = src_bgn;
+		this.src_end = src_end;
+		this.data_str = data_str;
+		this.data_bry = null;
+		this.data_needs_making = true;
+		this.escaped = escaped;
 	}
+	@Override public byte Tid() {return Json_itm_.Tid__str;}
 	@Override public Object Data() {return this.Data_as_str();}
+	public void Overwrite_bry(byte[] v) {
+		this.data_bry = v; //needed by MapLink/MapFrame
+		this.data_needs_making = false;
+	}
+	@Override public byte[] Data_bry() {
+		if (data_bry == null) {
+			data_bry = Data_make_bry();
+		}
+		return data_bry;
+	}
 	public String Data_as_str() {
 		if (data_str == null) {
-			if (data_bry == null)
 			data_bry = Data_make_bry();
 			data_str = String_.new_u8(data_bry);
 		}
 		return data_str;
 	}
-	@Override public byte[] Data_bry() {if (data_bry == null) data_bry = Data_make_bry(); return data_bry;}
 	@Override public boolean Data_eq(byte[] comp) {
-		if (exact) return Bry_.Eq(doc.Src(), this.Src_bgn(), this.Src_end(), comp);
-		if (data_bry == null) data_bry = Data_make_bry();
-		return Bry_.Match(data_bry, comp);
+		return Bry_.Match(this.Data_bry(), comp);
 	}
 	private byte[] Data_make_bry() {
-		byte[] src = doc.Src(); int bgn = this.Src_bgn(), end = this.Src_end();
-		if (exact) return Bry_.Mid(src, bgn, end);
-		Bry_bfr bfr = doc.Bfr();
-		byte[] utf8_bry = doc.Tmp_u8_bry();
+		// data already made; return it;
+		if (!data_needs_making)
+			return data_bry;
+
+		// mark data as made
+		this.data_needs_making = false;
+
+		// get src, bgn, end, depending on whether or not itm is from jdoc or standalone
+		byte[] src;
+		int bgn;
+		int end;
+		if (doc == null) {
+			src = Bry_.new_u8_safe(this.data_str);
+			bgn = 0;
+			end = src == null ? 0 : src.length;
+		}
+		else {
+			src = doc.Src();
+			bgn = src_bgn;
+			end = src_end;
+		}
+
+		// not escaped -> return the src
+		if (!escaped) {
+			this.data_bry = Bry_.Mid(src, bgn, end);
+			return data_bry;
+		}
+
+		// escaped; get some temp vars
+		Bry_bfr bfr;
+		byte[] utf8_bry;
+		if (doc == null) {
+			bfr = Bry_bfr_.New();
+			utf8_bry = new byte[6];
+		}
+		else { // PERF:reuse bfr / bry on jdoc itself
+			bfr = doc.Bfr();
+			utf8_bry = doc.Tmp_u8_bry();
+		}
+
+		// loop and unescape
 		for (int i = bgn; i < end; i++) {
 			byte b = src[i];
 			switch (b) {
@@ -90,6 +149,17 @@ public class Json_itm_str extends Json_itm_base {
 					break;
 			}
 		}
-		return bfr.To_bry_and_clear();
+		this.data_bry = bfr.To_bry_and_clear();
+		return data_bry;
 	}
+	@Override public void Print_as_json(Bry_bfr bfr, int depth) {
+		bfr.Add_byte(Byte_ascii.Quote);
+		byte[] data_bry = this.Data_bry();
+		int data_len = data_bry.length;
+		Gfh_utl.Escape_html_to_bfr(bfr, data_bry, 0, data_len, true, true, true, true, false);	// false to apos for backwards compatibility
+		bfr.Add_byte(Byte_ascii.Quote);
+	}
+
+	public static Json_itm_str NewByDoc(Json_doc doc, int src_bgn, int src_end, boolean escaped) {return new Json_itm_str(doc, src_bgn + 1, src_end - 1, null, escaped);}
+	public static Json_itm_str NewByVal(String val) {return new Json_itm_str(null, -1, -1, val, false);}
 }

400_xowa/src/gplx/langs/jsons/Json_itm_tmp.java

@@ -1,29 +0,0 @@
-/*
-XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
-
-XOWA is licensed under the terms of the General Public License (GPL) Version 3,
-or alternatively under the terms of the Apache License Version 2.0.
-
-You may use XOWA according to either of these licenses as is most appropriate
-for your project on a case-by-case basis.
-
-The terms of each license can be found in the source code repository:
-
-GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
-Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
-*/
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-public class Json_itm_tmp implements Json_itm {	// TEST:
-	public Json_itm_tmp(byte tid, String data) {this.tid = tid; this.data = data;}
-	public byte Tid() {return tid;} private byte tid;
-	public byte[] Data_bry() {return Bry_.new_u8(Object_.Xto_str_strict_or_empty(data));}
-	public int Src_bgn() {return -1;}
-	public int Src_end() {return -1;}
-	public Object Data() {return data;} private String data;
-	public void Print_as_json(Bry_bfr bfr, int depth) {bfr.Add_str_u8(data);}
-	public boolean Data_eq(byte[] comp) {return false;}
-	public void Clear() {}
-	public static Json_itm new_str_(String v)	{return new Json_itm_tmp(Json_itm_.Tid__str, "\"" + v + "\"");}
-	public static Json_itm new_int_(int v)		{return new Json_itm_tmp(Json_itm_.Tid__int, Int_.To_str(v));}
-}

400_xowa/src/gplx/langs/jsons/Json_kv.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,7 +13,11 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_bfr;
+import gplx.Byte_ascii;
+
 public class Json_kv extends Json_itm_base {
 	public Json_kv(Json_itm key, Json_itm val) {this.key = key; this.val = val;}
 	@Override public byte Tid() {return Json_itm_.Tid__kv;}
@@ -22,7 +26,7 @@ public class Json_kv extends Json_itm_base {
 	public byte[] Key_as_bry() {return key.Data_bry();}
 	public String Key_as_str() {return (String)key.Data();}
 	public byte[] Val_as_bry() {return val.Data_bry();}
-	public Json_nde Val_as_nde() {return Json_nde.cast(val);}
+	public Json_nde Val_as_nde() {return Json_nde.Cast(val);}
 	public Json_ary Val_as_ary() {return Json_ary.cast(val);}
 	public boolean Key_eq(byte[] comp) {return ((Json_itm_str)key).Data_eq(comp);}
 	@Override public Object Data() {return null;}
@@ -33,5 +37,5 @@ public class Json_kv extends Json_itm_base {
 		val.Print_as_json(bfr, depth);
 	}
 	public static final Json_kv[] Ary_empty = new Json_kv[0];
-	public static Json_kv cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__kv ? null : (Json_kv)v;}
+	public static Json_kv Cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__kv ? null : (Json_kv)v;}
 }

400_xowa/src/gplx/langs/jsons/Json_kv_ary_srl_tst.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,36 +13,42 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-import org.junit.*;
+package gplx.langs.jsons;
+
+import gplx.Bool_;
+import gplx.Bry_;
+import gplx.Decimal_adp;
+import gplx.Decimal_adp_;
+import gplx.Keyval;
+import gplx.Keyval_;
+import gplx.Tfds;
+import org.junit.Test;
+
 public class Json_kv_ary_srl_tst {
-	@Before public void init() {fxt.Clear();} private Json_kv_ary_srl_fxt fxt = new Json_kv_ary_srl_fxt();
-	@Test   public void Null()					{fxt.Test_parse("{'k0':null}"					, fxt.ary_(fxt.kv_str_("k0", null)));}
-	@Test   public void Bool_n()				{fxt.Test_parse("{'k0':false}"					, fxt.ary_(fxt.kv_bool_("k0", false)));}
-	@Test   public void Num()					{fxt.Test_parse("{'k0':123}"					, fxt.ary_(fxt.kv_int_("k0", 123)));}
-	@Test   public void Str()					{fxt.Test_parse("{'k0':'v0'}"					, fxt.ary_(fxt.kv_str_("k0", "v0")));}
-	@Test   public void Num_dec()				{fxt.Test_parse("{'k0':1.23}"					, fxt.ary_(fxt.kv_dec_("k0", Decimal_adp_.parse("1.23"))));}
-	@Test   public void Ary_int()				{fxt.Test_parse("{'k0':[1,2,3]}"				, fxt.ary_(fxt.kv_obj_("k0", fxt.ary_(fxt.kv_int_("1", 1), fxt.kv_int_("2", 2), fxt.kv_int_("3", 3)))));}
-	@Test   public void Ary_empty()				{fxt.Test_parse("{'k0':[]}"						, fxt.ary_(fxt.kv_obj_("k0", fxt.ary_())));}
-	@Test   public void Subs_int()				{fxt.Test_parse("{'k0':{'k00':1,'k01':2}}"		, fxt.ary_(fxt.kv_obj_("k0", fxt.ary_(fxt.kv_int_("k00", 1), fxt.kv_int_("k01", 2)))));}
-	@Test   public void Subs_empty()			{fxt.Test_parse("{'k0':{}}"						, fxt.ary_(fxt.kv_obj_("k0", fxt.ary_())));}
+	private final Json_kv_ary_srl_fxt fxt = new Json_kv_ary_srl_fxt();
+	@Test public void Null()           {fxt.Test_parse("{'k0':null}"                  , fxt.ary_(fxt.New_kv_str("k0", null)));}
+	@Test public void Bool_n()         {fxt.Test_parse("{'k0':false}"                 , fxt.ary_(fxt.New_kv_bool("k0", false)));}
+	@Test public void Num()            {fxt.Test_parse("{'k0':123}"                   , fxt.ary_(fxt.New_kv_int("k0", 123)));}
+	@Test public void Num_exp()        {fxt.Test_parse("{'k0':1.23e2}"                , fxt.ary_(fxt.New_kv_int("k0", 123)));} // exponent can be either "e" or "E" in JSON, but Java decimal parse only takes "E"; ISSUE#:565; DATE:2020-03-25
+	@Test public void Str()            {fxt.Test_parse("{'k0':'v0'}"                  , fxt.ary_(fxt.New_kv_str("k0", "v0")));}
+	@Test public void Num_dec()        {fxt.Test_parse("{'k0':1.23}"                  , fxt.ary_(fxt.New_kv_dec("k0", Decimal_adp_.parse("1.23"))));}
+	@Test public void Ary_int()        {fxt.Test_parse("{'k0':[1,2,3]}"               , fxt.ary_(fxt.New_kv_obj("k0", fxt.ary_(fxt.New_kv_int("1", 1), fxt.New_kv_int("2", 2), fxt.New_kv_int("3", 3)))));}
+	@Test public void Ary_empty()      {fxt.Test_parse("{'k0':[]}"                    , fxt.ary_(fxt.New_kv_obj("k0", fxt.ary_())));}
+	@Test public void Subs_int()       {fxt.Test_parse("{'k0':{'k00':1,'k01':2}}"     , fxt.ary_(fxt.New_kv_obj("k0", fxt.ary_(fxt.New_kv_int("k00", 1), fxt.New_kv_int("k01", 2)))));}
+	@Test public void Subs_empty()     {fxt.Test_parse("{'k0':{}}"                    , fxt.ary_(fxt.New_kv_obj("k0", fxt.ary_())));}
 }
 class Json_kv_ary_srl_fxt {
-	public void Clear() {
-		if (parser == null) {
-			parser = new Json_parser();
-		}
-	}	private Json_parser parser;
+	private final Json_parser parser = new Json_parser();
 	public void Test_parse(String raw_str, Keyval[] expd) {
-		byte[] raw_bry = Json_parser_tst.Replace_apos(Bry_.new_u8(raw_str));
+		byte[] raw_bry = Bry_.new_u8(Json_doc.Make_str_by_apos(raw_str));
 		Json_doc doc = parser.Parse(raw_bry);
 		Keyval[] actl = Json_kv_ary_srl.Val_by_itm_nde(doc.Root_nde());
 		Tfds.Eq_str_lines(Keyval_.Ary_to_str(expd), Keyval_.Ary_to_str(actl));
 	}
 	public Keyval[] ary_(Keyval... ary) {return ary;}
-	public Keyval kv_obj_(String key, Object val)		{return Keyval_.new_(key, val);}
-	public Keyval kv_str_(String key, String val)		{return Keyval_.new_(key, val);}
-	public Keyval kv_int_(String key, int val)			{return Keyval_.new_(key, val);}
-	public Keyval kv_bool_(String key, boolean val)		{return Keyval_.new_(key, Bool_.To_str_lower(val));}
-	public Keyval kv_dec_(String key, Decimal_adp val)	{return Keyval_.new_(key, val.To_str());}
+	public Keyval New_kv_obj(String key, Object val)        {return Keyval_.new_(key, val);}
+	public Keyval New_kv_str(String key, String val)        {return Keyval_.new_(key, val);}
+	public Keyval New_kv_int(String key, int val)           {return Keyval_.new_(key, val);}
+	public Keyval New_kv_bool(String key, boolean val)      {return Keyval_.new_(key, Bool_.To_str_lower(val));}
+	public Keyval New_kv_dec(String key, Decimal_adp val)   {return Keyval_.new_(key, val.To_str());}
 }

400_xowa/src/gplx/langs/jsons/Json_nde.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,11 +13,33 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
+package gplx.langs.jsons;
+
+import gplx.Array_;
+import gplx.Bool_;
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Byte_ascii;
+import gplx.DateAdp;
+import gplx.DateAdp_;
+import gplx.Decimal_adp_;
+import gplx.Err_;
+import gplx.Hash_adp_bry;
+import gplx.Int_;
+import gplx.Long_;
+import gplx.String_;
+
 public class Json_nde extends Json_itm_base implements Json_grp {
-	private Json_itm[] subs = Json_itm_.Ary_empty; private int subs_len = 0, subs_max = 0;
+	private final int src_bgn;
+	private int src_end;
+	private Json_itm[] subs = Json_itm_.Ary_empty;
+	private int subs_len = 0, subs_max = 0;
 	private Hash_adp_bry subs_hash;
-	public Json_nde(Json_doc jdoc, int src_bgn) {this.jdoc = jdoc; this.Ctor(src_bgn, -1);}
+
+	private Json_nde(Json_doc jdoc, int src_bgn) {
+		this.jdoc = jdoc;
+		this.src_bgn = src_bgn;
+	}
 	@Override public byte Tid() {return Json_itm_.Tid__nde;}
 	public Json_doc Doc() {return jdoc;} private final Json_doc jdoc;
 	public void Src_end_(int v) {this.src_end = v;}
@@ -25,15 +47,23 @@ public class Json_nde extends Json_itm_base implements Json_grp {
 	@Override public byte[] Data_bry() {return null;}
 	public int Len() {return subs_len;}
 	public Json_itm Get_at(int i) {return subs[i];}
+	public Json_itm Get_as_itm_or_null(String key) {return Get_as_itm_or_null(Bry_.new_u8(key));}
 	public Json_itm Get_as_itm_or_null(byte[] key) {if (subs_hash == null) subs_hash = subs_hash_init(); return (Json_itm)subs_hash.Get_by_bry(key);}
 	public Json_ary Get_as_ary(int idx)		{return Json_ary.cast(Get_at(idx));}
-	public Json_nde Get_as_nde(String key)	{return Json_nde.cast(Get_as_itm_or_null(Bry_.new_u8(key)));}
-	public Json_nde Get_as_nde(int idx)		{return Json_nde.cast(Get_at(idx));}
+	public Json_nde Get_as_nde(String key)	{return Json_nde.Cast(Get_as_itm_or_null(Bry_.new_u8(key)));}
+	public Json_nde Get_as_nde(int idx)		{return Json_nde.Cast(Get_at(idx));}
 	public Json_ary Get_as_ary(String key)	{return Get_as_ary(Bry_.new_u8(key));}
 	public Json_ary Get_as_ary(byte[] key) {
 		Json_itm rv = Get_as_itm_or_null(key); if (rv == null) throw Err_.new_("json", "key missing", "key", key);
 		return Json_ary.cast(rv);
 	}
+	public Json_ary Get_as_ary_or_null(String key)	{return Get_as_ary_or_null(Bry_.new_u8(key));}
+	public Json_ary Get_as_ary_or_null(byte[] key) {
+		Json_itm rv = Get_as_itm_or_null(key);
+		return rv == null
+			? null
+			: Json_ary.cast(rv);
+	}
 	public byte[] Get_as_bry(String key) {
 		byte[] rv = Get_as_bry_or(Bry_.new_u8(key), null); if (rv == null) throw Err_.new_("json", "key missing", "key", key);
 		return rv;
@@ -83,21 +113,25 @@ public class Json_nde extends Json_itm_base implements Json_grp {
 	public boolean Has(byte[] key) {return Get_bry(key, null) != null;}
 	public Json_kv Get_at_as_kv(int i) {
 		Json_itm rv_itm = Get_at(i);
-		Json_kv rv = Json_kv.cast(rv_itm); if (rv == null) throw Err_.new_("json", "sub is not kv", "i", i, "src", Bry_.Mid(jdoc.Src(), this.Src_bgn(), src_end));
+		Json_kv rv = Json_kv.Cast(rv_itm);
+		if (rv == null) {
+			byte[] snip = jdoc == null ? Bry_.new_a7("no source") : Bry_.Mid(jdoc.Src(), src_bgn, src_end);
+			throw Err_.new_("json", "sub is not kv", "i", i, "src", snip);
+		}
 		return rv;
 	}
 
-	public Json_kv Get_kv(byte[] key) {return Json_kv.cast(Get_itm(key));}
+	public Json_kv Get_kv(byte[] key) {return Json_kv.Cast(Get_itm(key));}
 	public Json_nde Get(String key) {return Get(Bry_.new_u8(key));}
 	public Json_nde Get(byte[] key) {
-		Json_kv kv = Json_kv.cast(this.Get_itm(key)); if (kv == null) throw Err_.new_("json", "kv not found", "key", key);
-		Json_nde rv = Json_nde.cast(kv.Val()); if (rv == null) throw Err_.new_("json", "nde not found", "key", key);
+		Json_kv kv = Json_kv.Cast(this.Get_itm(key)); if (kv == null) throw Err_.new_("json", "kv not found", "key", key);
+		Json_nde rv = Json_nde.Cast(kv.Val()); if (rv == null) throw Err_.new_("json", "nde not found", "key", key);
 		return rv;
 	}
 	public Json_itm Get_itm(byte[] key) {
 		for (int i = 0; i < subs_len; i++) {
 			Json_itm itm = subs[i];
-			if (itm.Tid() == Json_itm_.Tid__kv) {
+			if (itm != null && itm.Tid() == Json_itm_.Tid__kv) {
 				Json_kv itm_as_kv = (Json_kv)itm;
 				if (Bry_.Eq(key, itm_as_kv.Key().Data_bry()))
 					return itm;
@@ -122,6 +156,17 @@ public class Json_nde extends Json_itm_base implements Json_grp {
 		Json_itm val = kv.Val();
 		return (val == null) ? or : val.Data_bry();
 	}
+	public void AddKvBool(String key, boolean val)  {AddKv(key, Json_itm_bool.Get(val));}
+	public void AddKvInt(String key, int val)       {AddKv(key, Json_itm_int.NewByVal(val));}
+	public void AddKvDouble(String key, double val) {AddKv(key, Json_itm_decimal.NewByVal(Decimal_adp_.double_(val)));}
+	public void AddKvStr(String key, byte[] val)    {AddKv(key, Json_itm_str.NewByVal(String_.new_u8(val)));}
+	public void AddKvStr(String key, String val)    {AddKv(key, Json_itm_str.NewByVal(val));}
+	public void AddKvNde(String key, Json_nde val)  {AddKv(key, val);}
+	public void AddKvAry(String key, Json_ary val)  {AddKv(key, val);}
+	private void AddKv(String key, Json_itm val) {
+		Json_kv rv = new Json_kv(Json_itm_str.NewByVal(key), val);
+		Add(rv);
+	}
 	public Json_nde Add_many(Json_itm... ary) {
 		int len = ary.length;
 		for (int i = 0; i < len; i++)
@@ -165,5 +210,8 @@ public class Json_nde extends Json_itm_base implements Json_grp {
 		}
 		return rv;
 	}
-	public static Json_nde cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__nde ? null : (Json_nde)v;}
+
+	public static Json_nde NewByDoc(Json_doc doc, int src_bgn) {return new Json_nde(doc, src_bgn);}
+	public static Json_nde NewByVal() {return new Json_nde(null, -1);}
+	public static Json_nde Cast(Json_itm v) {return v == null || v.Tid() != Json_itm_.Tid__nde ? null : (Json_nde)v;}
 }

400_xowa/src/gplx/langs/jsons/Json_parser.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,16 +13,26 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-import gplx.core.primitives.*;
+package gplx.langs.jsons;
+
+import gplx.Bool_;
+import gplx.Bry_;
+import gplx.Byte_ascii;
+import gplx.Char_;
+import gplx.Err;
+import gplx.Err_;
+import gplx.Int_;
+import gplx.String_;
+import gplx.core.primitives.Gfo_number_parser;
+
 public class Json_parser {
-	private byte[] src; private int src_len, pos; private final    Gfo_number_parser num_parser = new Gfo_number_parser();
-	public Json_factory Factory() {return factory;} private final    Json_factory factory = new Json_factory();
+	private byte[] src;
+	private int src_len, pos;
+	private final Gfo_number_parser num_parser = new Gfo_number_parser();
 	public Json_doc Parse_by_apos_ary(String... ary) {return Parse_by_apos(String_.Concat_lines_nl(ary));}
 	public Json_doc Parse_by_apos(String s) {return Parse(Bry_.Replace(Bry_.new_u8(s), Byte_ascii.Apos, Byte_ascii.Quote));}
 	public Json_doc Parse(String src) {return Parse(Bry_.new_u8(src));}
 	public Json_doc Parse(byte[] src) {
-		synchronized (factory) {
 		this.src = src;				if (src == null) return null;
 		this.src_len = src.length;	if (src_len == 0) return null;
 		this.pos = 0;
@@ -43,10 +53,9 @@ public class Json_parser {
 		doc.Ctor(src, root);
 		return doc;
 	}
-	}
 	private Json_nde Make_nde(Json_doc doc) {
 		++pos;	// brack_bgn
-		Json_nde nde = new Json_nde(doc, pos);
+		Json_nde nde = Json_nde.NewByDoc(doc, pos);
 		while (pos < src_len) {
 			Skip_ws();
 			if (src[pos] == Byte_ascii.Curly_end) 	{++pos; return nde;}
@@ -72,9 +81,9 @@ public class Json_parser {
 		while (pos < src_len) {
 			byte b = src[pos];
 			switch (b) {
-				case Byte_ascii.Ltr_n:		return Make_literal(Bry_null_ull	, 3, factory.Null());
-				case Byte_ascii.Ltr_f:		return Make_literal(Bry_bool_alse	, 4, factory.Bool_n());
-				case Byte_ascii.Ltr_t:		return Make_literal(Bry_bool_rue	, 3, factory.Bool_y());
+				case Byte_ascii.Ltr_n:		return Make_literal(Bry_null_ull	, 3, Json_itm_null.Null);
+				case Byte_ascii.Ltr_f:		return Make_literal(Bry_bool_alse	, 4, Json_itm_bool.Bool_n);
+				case Byte_ascii.Ltr_t:		return Make_literal(Bry_bool_rue	, 3, Json_itm_bool.Bool_y);
 				case Byte_ascii.Quote:		return Make_string(doc);
 				case Byte_ascii.Num_0: case Byte_ascii.Num_1: case Byte_ascii.Num_2: case Byte_ascii.Num_3: case Byte_ascii.Num_4:
 				case Byte_ascii.Num_5: case Byte_ascii.Num_6: case Byte_ascii.Num_7: case Byte_ascii.Num_8: case Byte_ascii.Num_9:
@@ -97,7 +106,7 @@ public class Json_parser {
 	}
 	private Json_itm Make_string(Json_doc doc) {
 		int bgn = pos++;	// ++: quote_bgn
-		boolean exact = true; 
+		boolean escaped = false;
 		while (pos < src_len) {
 			switch (src[pos]) {
 				case Byte_ascii.Backslash:
@@ -106,10 +115,10 @@ public class Json_parser {
 						case Byte_ascii.Ltr_u:		pos += 5; break;	// \uFFFF	1 u + 4 hex-dec; ISSUE#:486; DATE:2019-06-02
 						default:					++pos;	break;		// \?		" \ / b f n r t
 					}
-					exact = false;
+					escaped = true;
 					break;
 				case Byte_ascii.Quote:
-					return factory.Str(doc, bgn, ++pos, exact);	// ++: quote_end
+					return Json_itm_str.NewByDoc(doc, bgn, ++pos, escaped);	// ++: quote_end
 				default:
 					++pos;
 					break;
@@ -139,16 +148,16 @@ public class Json_parser {
 		}
 		num_parser.Parse(src, num_bgn, pos);
 		if (num_parser.Has_frac())
-			return factory.Decimal(doc, num_bgn, pos);
+			return Json_itm_decimal.NewByDoc(doc, num_bgn, pos);
 		else {
 			if (num_parser.Is_int())
-				return factory.Int(doc, num_bgn, pos);
+				return Json_itm_int.NewByDoc(doc, num_bgn, pos);
 			else
-				return factory.Long(doc, num_bgn, pos);
+				return Json_itm_long.NewByDoc(doc, num_bgn, pos);
 		}
 	}
 	private Json_ary Make_ary(Json_doc doc) {
-		Json_ary rv = factory.Ary(pos++, pos);	// brack_bgn
+		Json_ary rv = Json_ary.NewByDoc(doc, pos++, pos);	// brack_bgn
 		while (pos < src_len) {
 			Skip_ws();
 			if (src[pos] == Byte_ascii.Brack_end) 	{++pos; return rv;}
@@ -181,4 +190,8 @@ public class Json_parser {
 		return Err_.new_wo_type(msg);
 	}
 	private static final byte[] Bry_bool_rue = Bry_.new_a7("rue"), Bry_bool_alse = Bry_.new_a7("alse"), Bry_null_ull = Bry_.new_a7("ull");
+	public static Json_doc ParseToJdoc(String src) {
+		Json_parser parser = new Json_parser();
+		return parser.Parse(src);
+	}
 }

400_xowa/src/gplx/langs/jsons/Json_parser__list_nde__base.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,8 +13,13 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-import gplx.core.primitives.*;
+package gplx.langs.jsons;
+
+import gplx.Keyval_;
+import gplx.Ordered_hash;
+import gplx.String_;
+import gplx.core.primitives.Int_obj_val;
+
 public class Json_parser__list_nde__base extends Json_parser__itm__base {
 	public void Parse_grp(String context, Json_grp grp) {
 		this.context = context;
@@ -22,11 +27,11 @@ public class Json_parser__list_nde__base extends Json_parser__itm__base {
 		for (int i = 0; i < len; ++i) {
 			Json_nde sub = null;
 			if (grp.Tid() == Json_itm_.Tid__nde) {
-				Json_kv kv = Json_nde.cast(grp).Get_at_as_kv(i);
+				Json_kv kv = Json_nde.Cast(grp).Get_at_as_kv(i);
 				sub = kv.Val_as_nde();
 			}
 			else {
-				sub = Json_nde.cast(grp.Get_at(i));
+				sub = Json_nde.Cast(grp.Get_at(i));
 			}
 			Parse_nde(context, sub);
 		}

400_xowa/src/gplx/langs/jsons/Json_parser_tst.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,83 +13,92 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.jsons; import gplx.*; import gplx.langs.*;
-import org.junit.*;
+package gplx.langs.jsons;
+
+import gplx.Bry_;
+import gplx.Bry_bfr;
+import gplx.Bry_bfr_;
+import gplx.Decimal_adp;
+import gplx.Decimal_adp_;
+import gplx.Tfds;
+import gplx.core.tests.Gftest;
+import org.junit.Test;
+
 public class Json_parser_tst {
 	private final Json_parser_fxt fxt = new Json_parser_fxt();
-	@Before public void init() {fxt.Clear();}
-	@Test   public void Null()					{fxt.Test_parse_val0("{'k0':null}"			, null);}
-	@Test   public void Bool_n()				{fxt.Test_parse_val0("{'k0':false}"			, false);}
-	@Test   public void Bool_y()				{fxt.Test_parse_val0("{'k0':true}"			, true);}
-	@Test   public void Num()					{fxt.Test_parse_val0("{'k0':123}"			, 123);}
-	@Test   public void Num_neg()				{fxt.Test_parse_val0("{'k0':-123}"			, -123);}
-	@Test   public void Str()					{fxt.Test_parse_val0("{'k0':'v0'}"			, "v0");}
-	@Test   public void Str_esc_quote()			{fxt.Test_parse_val0("{'k0':'a\\\"b'}"		, "a\"b");}
-	@Test   public void Str_encoded_basic()     {fxt.Test_parse_val0("{'k0':'a\\u0021b'}"       , "a!b");}
-	@Test   public void Str_encoded_surrogate() {fxt.Test_parse_val0("{'k0':'a\\ud83c\\udf0eb'}", "a🌎b");} // check for UTF surrogate-pairs; symbol is earth globe americas (U+1F30E); ISSUE#:487; DATE:2019-06-02
-	@Test   public void Num_dec()				{fxt.Test_parse("{'k0':1.23}"				, fxt.itm_nde_().Add_many(fxt.itm_kv_dec_("k0", "1.23")));}
-	@Test   public void Num_exp()				{fxt.Test_parse("{'k0':1e+2}"				, fxt.itm_nde_().Add_many(fxt.itm_kv_dec_("k0", "1e+2")));}
-	@Test   public void Num_mix()				{fxt.Test_parse("{'k0':-1.23e-1}"			, fxt.itm_nde_().Add_many(fxt.itm_kv_dec_("k0", "-1.23e-1")));}
-	@Test   public void Str_many()				{fxt.Test_parse("{'k0':'v0','k1':'v1','k2':'v2'}", fxt.itm_nde_().Add_many(fxt.itm_kv_("k0", "v0"), fxt.itm_kv_("k1", "v1"), fxt.itm_kv_("k2", "v2")));}
-	@Test   public void Ary_empty()				{fxt.Test_parse("{'k0':[]}", fxt.itm_nde_().Add_many(fxt.itm_kv_ary_int_("k0")));}
-	@Test   public void Ary_int()				{fxt.Test_parse("{'k0':[1,2,3]}", fxt.itm_nde_().Add_many(fxt.itm_kv_ary_int_("k0", 1, 2, 3)));}
-	@Test   public void Ary_str()				{fxt.Test_parse("{'k0':['a','b','c']}", fxt.itm_nde_().Add_many(fxt.itm_kv_ary_str_("k0", "a", "b", "c")));}
-	@Test   public void Ary_ws()				{fxt.Test_parse("{'k0': [ 1 , 2 , 3 ] }", fxt.itm_nde_().Add_many(fxt.itm_kv_ary_int_("k0", 1, 2, 3)));}
-	@Test   public void Subs_int()				{fxt.Test_parse("{'k0':{'k00':1}}", fxt.itm_nde_().Add_many(fxt.itm_kv_("k0", fxt.itm_nde_().Add_many(fxt.itm_kv_("k00", 1)))));}
-	@Test   public void Subs_empty()			{fxt.Test_parse("{'k0':{}}", fxt.itm_nde_().Add_many(fxt.itm_kv_("k0", fxt.itm_nde_())));}
-	@Test   public void Subs_ws()				{fxt.Test_parse("{'k0': { 'k00' : 1 } }", fxt.itm_nde_().Add_many(fxt.itm_kv_("k0", fxt.itm_nde_().Add_many(fxt.itm_kv_("k00", 1)))));}
-	@Test   public void Ws()					{fxt.Test_parse(" { 'k0' : 'v0' } ", fxt.itm_nde_().Add_many(fxt.itm_kv_("k0", "v0")));}
-	@Test   public void Root_is_ary()			{fxt.Test_parse("[ 1 , 2 , 3 ]", fxt.itm_ary_().Add_many(fxt.itm_int_(1), fxt.itm_int_(2), fxt.itm_int_(3)));}
-	public static String Replace_apos_as_str(String v) {return String_.new_u8(Replace_apos(Bry_.new_u8(v)));}
-	public static byte[] Replace_apos(byte[] v) {return Bry_.Replace(v, Byte_ascii.Apos, Byte_ascii.Quote);}
+	@Test public void Null()                   {fxt.Test_parse_obj("{'k0':null}"              , null);}
+	@Test public void Bool_n()                 {fxt.Test_parse_obj("{'k0':false}"             , false);}
+	@Test public void Bool_y()                 {fxt.Test_parse_obj("{'k0':true}"              , true);}
+	@Test public void Num()                    {fxt.Test_parse_obj("{'k0':123}"               , 123);}
+	@Test public void Num_neg()                {fxt.Test_parse_obj("{'k0':-123}"              , -123);}
+	@Test public void Str()                    {fxt.Test_parse_obj("{'k0':'v0'}"              , "v0");}
+	@Test public void Str_esc_quote()          {fxt.Test_parse_obj("{'k0':'a\\\"b'}"          , "a\"b");}
+	@Test public void Str_encoded_basic()      {fxt.Test_parse_obj("{'k0':'a\\u0021b'}"       , "a!b");}
+	@Test public void Str_encoded_surrogate()  {fxt.Test_parse_obj("{'k0':'a\\ud83c\\udf0eb'}", "a🌎b");} // check for UTF surrogate-pairs; symbol is earth globe americas (U+1F30E); ISSUE#:487; DATE:2019-06-02
+	@Test public void Num_dec()                {fxt.Test_parse_dec("{'k0':1.23}"              , Decimal_adp_.parse("1.23"));}
+	@Test public void Num_exp()                {fxt.Test_parse_obj("{'k0':1e+2}"              , 100);}
+	@Test public void Num_mix()                {fxt.Test_parse_dec("{'k0':-1.23e-1}"          , Decimal_adp_.parse("-1.23e-1"));}
+	@Test public void Str_many()               {fxt.Test_parse("{'k0':'v0','k1':'v1','k2':'v2'}"     , fxt.Init_nde().Add_many(fxt.Init_kv("k0", "v0"), fxt.Init_kv("k1", "v1"), fxt.Init_kv("k2", "v2")));}
+	@Test public void Ary_empty()              {fxt.Test_parse("{'k0':[]}"                           , fxt.Init_nde().Add_many(fxt.Init_kv_ary_int("k0")));}
+	@Test public void Ary_int()                {fxt.Test_parse("{'k0':[1,2,3]}"                      , fxt.Init_nde().Add_many(fxt.Init_kv_ary_int("k0", 1, 2, 3)));}
+	@Test public void Ary_str()                {fxt.Test_parse("{'k0':['a','b','c']}"                , fxt.Init_nde().Add_many(fxt.Init_kvary_str_("k0", "a", "b", "c")));}
+	@Test public void Ary_ws()                 {fxt.Test_parse("{'k0': [ 1 , 2 , 3 ] }"              , fxt.Init_nde().Add_many(fxt.Init_kv_ary_int("k0", 1, 2, 3)));}
+	@Test public void Subs_int()               {fxt.Test_parse("{'k0':{'k00':1}}"                    , fxt.Init_nde().Add_many(fxt.Init_kv("k0", fxt.Init_nde().Add_many(fxt.Init_kv("k00", 1)))));}
+	@Test public void Subs_empty()             {fxt.Test_parse("{'k0':{}}"                           , fxt.Init_nde().Add_many(fxt.Init_kv("k0", fxt.Init_nde())));}
+	@Test public void Subs_ws()                {fxt.Test_parse("{'k0': { 'k00' : 1 } }"              , fxt.Init_nde().Add_many(fxt.Init_kv("k0", fxt.Init_nde().Add_many(fxt.Init_kv("k00", 1)))));}
+	@Test public void Ws()                     {fxt.Test_parse(" { 'k0' : 'v0' } "                   , fxt.Init_nde().Add_many(fxt.Init_kv("k0", "v0")));}
+	@Test public void Root_is_ary()            {fxt.Test_parse("[1,2,3]"                             , fxt.Init_ary().Add_many(fxt.Init_int(1), fxt.Init_int(2), fxt.Init_int(3)));}
 }
 class Json_parser_fxt {
-	public void Clear() {
-		if (parser == null) {
-			parser = new Json_parser();
-			factory = parser.Factory();
-		}
-	}	Json_parser parser; Json_factory factory; Bry_bfr tmp_bfr = Bry_bfr_.Reset(255);
-	public Json_itm itm_int_(int v)						{return Json_itm_tmp.new_int_(v);}
-	Json_itm itm_str_(String v)							{return Json_itm_tmp.new_str_(v);}
-	public Json_ary itm_ary_()							{return factory.Ary(-1, -1);}
-	public Json_nde itm_nde_()							{return factory.Nde(null, -1);}
-	public Json_kv itm_kv_null_(String k)				{return factory.Kv(itm_str_(k), factory.Null());}
-	public Json_kv itm_kv_(String k, String v)			{return factory.Kv(itm_str_(k), itm_str_(v));}
-	public Json_kv itm_kv_(String k, int v)				{return factory.Kv(itm_str_(k), itm_int_(v));}
-	public Json_kv itm_kv_(String k, boolean v)			{return factory.Kv(itm_str_(k), v ? factory.Bool_y() : factory.Bool_n());}
-	public Json_kv itm_kv_dec_(String k, String v)		{return factory.Kv(itm_str_(k), new Json_itm_tmp(Json_itm_.Tid__decimal, v));}
-	public Json_kv itm_kv_(String k, Json_nde v)	{return factory.Kv(itm_str_(k), v);}
-	public Json_kv itm_kv_ary_int_(String k, int... v) {
-		Json_ary ary = factory.Ary(-1, -1);
+	private final Json_parser parser = new Json_parser();
+	private final Bry_bfr tmp_bfr = Bry_bfr_.Reset(255);
+	public Json_itm Init_int(int v)                     {return Json_itm_int.NewByVal(v);}
+	public Json_itm Init_str(String v)                  {return Json_itm_str.NewByVal(v);}
+	public Json_ary Init_ary()                          {return Json_ary.NewByVal();}
+	public Json_nde Init_nde()                          {return Json_nde.NewByVal();}
+	public Json_kv Init_kv_null(String k)               {return new Json_kv(Init_str(k), Json_itm_null.Null);}
+	public Json_kv Init_kv(String k, String v)          {return new Json_kv(Init_str(k), Init_str(v));}
+	public Json_kv Init_kv(String k, int v)             {return new Json_kv(Init_str(k), Init_int(v));}
+	public Json_kv Init_kv(String k, boolean v)         {return new Json_kv(Init_str(k), v ? Json_itm_bool.Bool_y : Json_itm_bool.Bool_n);}
+	public Json_kv Init_kv(String k, Json_nde v)        {return new Json_kv(Init_str(k), v);}
+	public Json_kv Init_kv_ary_int(String k, int... v) {
+		Json_ary ary = Json_ary.NewByVal();
 		int len = v.length;
 		for (int i = 0; i < len; i++)
-			ary.Add(itm_int_(v[i]));
-		return factory.Kv(itm_str_(k), ary);
+			ary.Add(Init_int(v[i]));
+		return new Json_kv(Init_str(k), ary);
 	}
-	public Json_kv itm_kv_ary_str_(String k, String... v) {
-		Json_ary ary = factory.Ary(-1, -1);
+	public Json_kv Init_kvary_str_(String k, String... v) {
+		Json_ary ary = Json_ary.NewByVal();
 		int len = v.length;
 		for (int i = 0; i < len; i++)
-			ary.Add(itm_str_(v[i]));
-		return factory.Kv(itm_str_(k), ary);
+			ary.Add(Init_str(v[i]));
+		return new Json_kv(Init_str(k), ary);
 	}
 	public void Test_parse(String raw_str, Json_itm... expd_ary) {
-		byte[] raw = Json_parser_tst.Replace_apos(Bry_.new_u8(raw_str));
+		byte[] raw = Bry_.new_u8(Json_doc.Make_str_by_apos(raw_str));
 		Json_doc doc = parser.Parse(raw);
 		doc.Root_grp().Print_as_json(tmp_bfr, 0);
 		String actl = tmp_bfr.To_str_and_clear();
 		String expd = Xto_str(raw, doc, expd_ary, 0, expd_ary.length);
 		Tfds.Eq_str_lines(expd, actl, actl);
 	}
-	public void Test_parse_val0(String raw_str, Object expd) {
-		byte[] raw = Json_parser_tst.Replace_apos(Bry_.new_u8(raw_str));
-		Json_doc doc = parser.Parse(raw);
-		Json_kv kv = Json_kv.cast(doc.Root_nde().Get_at(0));	// assume root has kv as first sub; EX: {"a":"b"}
+	public void Test_parse_obj(String raw_str, Object expd) {
+		Json_kv kv = Parse_and_get_kv0(raw_str);
 		Object actl = kv.Val().Data();	 // NOTE: Data_bry is escaped val; EX: a\"b has DataBry of a"b
-		Tfds.Eq(expd, actl);
+		Gftest.Eq__obj_or_null(expd, actl);
 	}
-	String Xto_str(byte[] raw, Json_doc doc, Json_itm[] ary, int bgn, int end) {
+	public void Test_parse_dec(String raw_str, Decimal_adp expd) {
+		Json_kv kv = Parse_and_get_kv0(raw_str);
+		Json_itm_decimal decimal_itm = (Json_itm_decimal)kv.Val();
+		Gftest.Eq__bool(true, decimal_itm.Data_as_decimal().Eq(expd));
+	}
+	private Json_kv Parse_and_get_kv0(String raw_str) {
+		byte[] raw = Bry_.new_u8(Json_doc.Make_str_by_apos(raw_str));
+		Json_doc doc = parser.Parse(raw);
+		return Json_kv.Cast(doc.Root_nde().Get_at(0));	// assume root has kv as first sub; EX: {"a":"b"}
+	}
+	private String Xto_str(byte[] raw, Json_doc doc, Json_itm[] ary, int bgn, int end) {
 		for (int i = bgn; i < end; i++) {
 			Json_itm itm = ary[i];
 			itm.Print_as_json(tmp_bfr, 0);

400_xowa/src/gplx/langs/mustaches/JsonMustacheNde.java

@@ -0,0 +1,112 @@
+/*
+XOWA: the XOWA Offline Wiki Application
+Copyright (C) 2012-2020 gnosygnu@gmail.com
+
+XOWA is licensed under the terms of the General Public License (GPL) Version 3,
+or alternatively under the terms of the Apache License Version 2.0.
+
+You may use XOWA according to either of these licenses as is most appropriate
+for your project on a case-by-case basis.
+
+The terms of each license can be found in the source code repository:
+
+GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
+Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
+*/
+package gplx.langs.mustaches;
+
+import gplx.Bool_;
+import gplx.Bry_;
+import gplx.String_;
+import gplx.langs.jsons.Json_ary;
+import gplx.langs.jsons.Json_itm;
+import gplx.langs.jsons.Json_itm_;
+import gplx.langs.jsons.Json_kv;
+import gplx.langs.jsons.Json_nde;
+import gplx.objects.Object_;
+
+public class JsonMustacheNde implements Mustache_doc_itm {
+	private final Json_nde nde;
+	public JsonMustacheNde(Json_nde nde) {this.nde = nde;}
+	public boolean Mustache__write(String key, Mustache_bfr bfr) {
+		Json_itm itm = nde.Get_itm(Bry_.new_u8(key));
+		if (itm == null) { // mustacheKey does not exist in current jsonNde
+			return false;
+		}
+		else { // mustacheKey exists
+			switch (itm.Tid()) {
+				// array / bool node -> ignore; EX: `{{#person}}Never shown{{/person}}`
+				case Json_itm_.Tid__bool:
+				case Json_itm_.Tid__ary:
+				case Json_itm_.Tid__nde:
+					return false;
+				// item node -> render it; EX: `Hello {{name}}`
+				default:
+					bfr.Add_bry(Json_kv.Cast(itm).Val_as_bry());
+					return true;
+			}
+		}
+	}
+	public Mustache_doc_itm[] Mustache__subs(String key) {
+		Json_itm itm = nde.Get_itm(Bry_.new_u8(key));
+		if (itm == null) { // mustacheKey does not exist in current jsonNde
+			return Mustache_doc_itm_.Ary__bool__n;
+		}
+		else { // mustacheKey exists
+			if (itm.Tid() == Json_itm_.Tid__kv) {
+				Json_kv kv = Json_kv.Cast(itm);
+				switch (kv.Val().Tid()) {
+					// bool node -> render; EX: `{{#person}}Never shown{{/person}}`
+					case Json_itm_.Tid__bool:
+						boolean dataVal = Bool_.Cast(kv.Val().Data());
+						return dataVal ? Mustache_doc_itm_.Ary__bool__y : Mustache_doc_itm_.Ary__bool__n;
+					// array node -> render; EX: `{{#repo}} <b>{{name}}</b>{{/repo}}`
+					case Json_itm_.Tid__ary:
+						return ToJsonMustachNdeAry(itm);
+					// item node -> render only if key matchers
+					default:
+						return new Mustache_doc_itm[] {new JsonMustacheVal(true, key, kv.Val().Data())};
+				}
+			}
+			else {
+				return Mustache_doc_itm_.Ary__bool__n;
+			}
+		}
+	}
+	private static Mustache_doc_itm[] ToJsonMustachNdeAry(Json_itm itm) {
+		Json_ary dataAry = Json_ary.cast_or_null(Json_kv.Cast(itm).Val());
+		int subs_len = dataAry.Len();
+		Mustache_doc_itm[] rv = new Mustache_doc_itm[subs_len];
+		for (int i = 0; i < subs_len; i++) {
+			Json_itm sub = dataAry.Get_at(i);
+			if (sub.Tid() == Json_itm_.Tid__nde) {
+				rv[i] = new JsonMustacheNde((Json_nde)sub);
+			}
+			else {
+				rv[i] = new JsonMustacheVal(false, Mustache_tkn_def.ItemString, sub.Data());
+			}
+		}
+		return rv;
+	}
+}
+class JsonMustacheVal implements Mustache_doc_itm {
+	private final boolean fromArray;
+	private final String jsonKey;
+	private final Object jsonVal;
+	public JsonMustacheVal(boolean fromArray, String jsonKey, Object jsonVal) {
+		this.fromArray = fromArray;
+		this.jsonKey = jsonKey;
+		this.jsonVal = jsonVal;
+	}
+	public boolean Mustache__write(String mustacheKey, Mustache_bfr bfr) {
+		if (	(String_.Eq(mustacheKey, jsonKey))                                     // print if `{{match}}`; EX: `{{#prop}}{{prop}}{{/prop}}`
+			||	(String_.Eq(mustacheKey, Mustache_tkn_def.ItemString) && fromArray)) { // print if `{{.}}` and from array; EX: `{{#array}}{{.}}{{/array}}`
+			bfr.Add_bry(Bry_.new_u8(Object_.To_str(jsonVal)));
+			return true;
+		}
+		else {
+			return false;
+		}
+	}
+	public Mustache_doc_itm[] Mustache__subs(String key) {return Mustache_doc_itm_.Ary__empty;}
+}

400_xowa/src/gplx/langs/mustaches/Mustache_doc_itm.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,8 +13,8 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.mustaches; import gplx.*; import gplx.langs.*;
-import gplx.langs.jsons.*;
+package gplx.langs.mustaches;
+
 public interface Mustache_doc_itm {
 	boolean Mustache__write(String key, Mustache_bfr bfr);
 	Mustache_doc_itm[] Mustache__subs(String key);

400_xowa/src/gplx/langs/mustaches/Mustache_itm_render_tst.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,8 +13,18 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.mustaches; import gplx.*; import gplx.langs.*;
-import org.junit.*; import gplx.core.primitives.*;
+package gplx.langs.mustaches;
+
+import gplx.Bry_;
+import gplx.Hash_adp;
+import gplx.Hash_adp_;
+import gplx.Tfds;
+import gplx.core.primitives.Bool_obj_ref;
+import gplx.langs.jsons.Json_doc;
+import gplx.langs.jsons.Json_nde;
+import gplx.langs.jsons.Json_parser;
+import org.junit.Test;
+
 public class Mustache_itm_render_tst {
 	private final Mustache_itm_render_fxt fxt = new Mustache_itm_render_fxt();
 	@Test public void Text() {
@@ -121,6 +131,13 @@ public class Mustache_itm_render_tst {
 		, "a1"
 		);
 	}
+	@Test public void Dot() {
+		fxt.Test__parse
+		( "{'subs':['a', 'b', 'c', 'd']}"
+		, "{{#subs}}{{.}},{{/subs}}"
+		, "a,b,c,d,"
+		);
+	}
 }
 class Mustache_itm_render_fxt {
 	private final Mustache_tkn_parser parser = new Mustache_tkn_parser();
@@ -136,6 +153,16 @@ class Mustache_itm_render_fxt {
 		actl_itm.Render(bfr, ctx);
 		Tfds.Eq_str_lines(expd, bfr.To_str_and_clear());
 	}
+	public void Test__parse(String jdoc, String src_str, String expd) {
+		Json_nde jnde = Json_parser.ParseToJdoc(Json_doc.Make_str_by_apos(jdoc)).Root_nde();
+       JsonMustacheNde nde = new JsonMustacheNde(jnde);
+
+		byte[] src_bry = Bry_.new_a7(src_str);
+		Mustache_tkn_itm actl_itm = parser.Parse(src_bry, 0, src_bry.length);
+		ctx.Init(nde);
+		actl_itm.Render(bfr, ctx);
+		Tfds.Eq_str_lines(expd, bfr.To_str_and_clear());
+	}
 }
 class Mustache_doc_itm__mock implements Mustache_doc_itm {
 	private final Hash_adp hash_prop = Hash_adp_.New(), hash_bool = Hash_adp_.New(), hash_subs = Hash_adp_.New();

400_xowa/src/gplx/langs/mustaches/Mustache_render_ctx.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,15 +13,24 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.mustaches; import gplx.*; import gplx.langs.*;
+package gplx.langs.mustaches;
+
+import gplx.Bool_;
+import gplx.List_adp;
+import gplx.List_adp_;
+
 public class Mustache_render_ctx {
 	private final List_adp stack = List_adp_.New();
 	private Mustache_doc_itm cur;
-	private Mustache_doc_itm[] subs; private int subs_idx, subs_len; private byte cur_is_bool;
+	private Mustache_doc_itm[] subs;
+	private int subs_idx, subs_len;
+	private byte cur_is_bool;
+
 	public Mustache_render_ctx Init(Mustache_doc_itm cur) {
 		this.cur = cur;
 		this.subs = null;
-		this.subs_idx = subs_len = 0; this.cur_is_bool = Bool_.__byte;
+		this.subs_idx = subs_len = 0;
+		this.cur_is_bool = Bool_.__byte;
 		return this;
 	}
 	public boolean Render_variable(Mustache_bfr bfr, String key) {
@@ -30,10 +39,12 @@ public class Mustache_render_ctx {
 		Mustache_doc_itm itm = cur;
 		while (itm != Mustache_doc_itm_.Null_itm) {
 			boolean resolved = itm.Mustache__write(key, bfr);
+			// current itm handles key -> exit
 			if (resolved) {
 				rv = true;
 				break;
 			}
+			// current itm does not handle key -> go up stack
 			else {
 				--stack_pos;
 				if (stack_pos == -1) // nothing else in stack
@@ -47,12 +58,15 @@ public class Mustache_render_ctx {
 	public void Section_bgn(String key) {
 		Mustache_stack_itm stack_itm = new Mustache_stack_itm(cur, subs, subs_idx, subs_len, cur_is_bool); // note that cur is "owner" since subs_idx == 0
 		stack.Add(stack_itm);
-		subs = cur.Mustache__subs(key); if (subs == null) subs = Mustache_doc_itm_.Ary__empty;	// subs == null if property does not exist; EX: "folder{{#files}}file{{/files}}" and folder = new Folder(File[0]);
+		subs = cur.Mustache__subs(key);
+		if (subs == null) // subs == null if property does not exist; EX: "folder{{#files}}file{{/files}}" and folder = new Folder(File[0]);
+			subs = Mustache_doc_itm_.Ary__empty;
 		subs_len = subs.length;
 		subs_idx = -1;
 	}
 	public boolean Section_do(boolean inverted) {
-		if (++subs_idx >= subs_len) return false;
+		if (++subs_idx >= subs_len)
+			return false;
 		Mustache_doc_itm sub = subs[subs_idx];
 		if (subs_idx == 0) {	// special logic to handle 1st item; note that there always be at least one item
 			if		(sub == Mustache_doc_itm_.Itm__bool__n) {

400_xowa/src/gplx/langs/mustaches/Mustache_tkn_def.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,7 +13,13 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.mustaches; import gplx.*; import gplx.langs.*;
+package gplx.langs.mustaches;
+
+import gplx.Bry_;
+import gplx.Byte_;
+import gplx.Byte_ascii;
+import gplx.String_;
+
 class Mustache_tkn_def {
 	public byte[] Variable_lhs = Dflt_variable_lhs;
 	public byte[] Variable_rhs = Dflt_variable_rhs;
@@ -31,9 +37,13 @@ class Mustache_tkn_def {
 	, Grp_end		= Byte_ascii.Slash			// {{/section}}
 	, Inverted		= Byte_ascii.Pow			// {{^inverted}}
 	, Comment		= Byte_ascii.Bang			// {{!comment}}
-	, Partial		= Byte_ascii.Angle_bgn		// {{>partial}}
+	, Partial		= Byte_ascii.Angle_end		// {{>partial}}
 	, Delimiter_bgn	= Byte_ascii.Eq				// {{=<% %>=}}
 	, Delimiter_end	= Byte_ascii.Curly_end		// {{=<% %>=}}
+	, Item          = Byte_ascii.Dot            // {{.}}
+	;
+	public static final String
+	  ItemString    = String_.new_u8(Byte_.To_bry(Item))
 	;
 	public Mustache_tkn_def() {
 		Variable_lhs_len = Variable_lhs.length;

400_xowa/src/gplx/langs/mustaches/Mustache_tkn_itm.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,7 +13,15 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.mustaches; import gplx.*; import gplx.langs.*;
+package gplx.langs.mustaches;
+
+import gplx.Bool_;
+import gplx.Bry_;
+import gplx.Byte_ascii;
+import gplx.Err_;
+import gplx.Io_url;
+import gplx.String_;
+
 public interface Mustache_tkn_itm { 
 	int Tid();
 	String Key();
@@ -103,8 +111,16 @@ class Mustache_tkn_inverted extends Mustache_tkn_base {	// EX: {{^section}}missi
 	@Override public void Render(Mustache_bfr bfr, Mustache_render_ctx ctx) {Mustache_tkn_section.Render_static(Bool_.Y, this, bfr, ctx);}
 }
 class Mustache_tkn_partial extends Mustache_tkn_base { // EX: {{>a}} -> abc (deferred eval)
-	public Mustache_tkn_partial(byte[] key) {super(Mustache_tkn_itm_.Tid__partial, key);}
+	private Mustache_tkn_itm template_root;
+	public Mustache_tkn_partial(byte[] key, Io_url dir) {
+		super(Mustache_tkn_itm_.Tid__partial, key);
+		Mustache_tkn_parser parser = new Mustache_tkn_parser(dir);
+		template_root = parser.Parse(String_.new_a7(Bry_.Trim_bgn(key, Byte_ascii.Space, 0)));
+	}
+	@Override public void Render(Mustache_bfr bfr, Mustache_render_ctx ctx) {
+		template_root.Render(bfr, ctx);
+	}
 }
-class Mustache_tkn_delimiter extends Mustache_tkn_base {// EX: {{=<% %>=}} -> <% variable %>
+class Mustache_tkn_delimiter extends Mustache_tkn_base { // EX: {{=<% %>=}} -> <% variable %>
 	public Mustache_tkn_delimiter(byte[] key) {super(Mustache_tkn_itm_.Tid__delimiter, key);}
 }

400_xowa/src/gplx/langs/mustaches/Mustache_tkn_parser.java

@@ -1,6 +1,6 @@
 /*
 XOWA: the XOWA Offline Wiki Application
-Copyright (C) 2012-2017 gnosygnu@gmail.com
+Copyright (C) 2012-2020 gnosygnu@gmail.com
 
 XOWA is licensed under the terms of the General Public License (GPL) Version 3,
 or alternatively under the terms of the Apache License Version 2.0.
@@ -13,10 +13,32 @@ The terms of each license can be found in the source code repository:
 GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
 Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
 */
-package gplx.langs.mustaches; import gplx.*; import gplx.langs.*;
+package gplx.langs.mustaches;
+
+import gplx.Bry_;
+import gplx.Bry_find_;
+import gplx.Byte_ascii;
+import gplx.Err;
+import gplx.Err_;
+import gplx.Io_mgr;
+import gplx.Io_url;
+import gplx.List_adp;
+import gplx.List_adp_;
+
 public class Mustache_tkn_parser {
 	private byte[] src; private int src_end;
+	private Io_url template_root;
 	private final Mustache_tkn_def tkn_def = new Mustache_tkn_def();
+	public Mustache_tkn_parser() {
+	}
+	public Mustache_tkn_parser(Io_url template_root) {
+		this.template_root = template_root;
+	}
+	public Mustache_tkn_itm Parse(String template) { return Parse(template, Bry_.Empty); }
+	public Mustache_tkn_itm Parse(String template, byte[] default_text) {
+		byte[] template_data = Io_mgr.Instance.LoadFilBryOr(template_root.GenSubFil_nest(template + ".mustache"), default_text);
+		return Parse(template_data, 0, template_data.length);
+	}
 	public Mustache_tkn_itm Parse(byte[] src) {return Parse(src, 0, src.length);}
 	public Mustache_tkn_itm Parse(byte[] src, int src_bgn, int src_end) {
 		this.src = src; this.src_end = src_end;
@@ -80,7 +102,7 @@ public class Mustache_tkn_parser {
 			default:								throw Err_.new_unhandled(tkn_data.tid);
 			case Mustache_tkn_def.Variable:			tkn = new Mustache_tkn_variable(val_bry);	break;
 			case Mustache_tkn_def.Comment:			tkn = new Mustache_tkn_comment();			break;
-			case Mustache_tkn_def.Partial:			tkn = new Mustache_tkn_partial(val_bry);	break;
+			case Mustache_tkn_def.Partial:			tkn = new Mustache_tkn_partial(val_bry, template_root);	break;
 			case Mustache_tkn_def.Delimiter_bgn:	tkn = new Mustache_tkn_delimiter(val_bry);	break;	// TODO_OLD: implement delimiter; EX: {{=<% %>=}}
 			case Mustache_tkn_def.Escape_bgn:		tkn = new Mustache_tkn_escape(val_bry);		break;
 			case Mustache_tkn_def.Section:			tkn = new Mustache_tkn_section(val_bry);	break;