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1049 lines
40 KiB
1049 lines
40 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx;
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import java.lang.*;
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import gplx.core.brys.*; import gplx.core.primitives.*; import gplx.core.ios.*;
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public class Bry_ {
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public static final String Cls_val_name = "byte[]";
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public static final byte[] Empty = new byte[0];
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public static final byte[][] Ary_empty = new byte[0][];
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public static final Class<?> Cls_ref_type = byte[].class;
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public static byte[] cast(Object val) {return (byte[])val;}
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public static byte[] New_by_byte(byte b) {return new byte[] {b};}
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public static byte[] New_by_ints(int... ary) {
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int len = ary.length;
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byte[] rv = new byte[len];
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for (int i = 0; i < len; i++)
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rv[i] = (byte)ary[i];
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return rv;
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}
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public static byte[] New_by_objs(Bry_bfr bfr, Object... ary) {
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int len = ary.length;
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for (int i = 0; i < len; ++i) {
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Object itm = ary[i];
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Class<?> type = Type_adp_.ClassOf_obj(itm);
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if (Type_adp_.Eq(type, int.class)) bfr.Add_byte((byte)Int_.cast(itm));
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else if (Type_adp_.Eq(type, String.class)) bfr.Add_str_u8((String)itm);
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else if (Type_adp_.Eq(type, byte[].class)) bfr.Add((byte[])itm);
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else throw Err_.new_unhandled(Type_adp_.FullNameOf_type(type));
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}
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return bfr.To_bry_and_clear();
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}
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public static byte[] Coalesce_to_empty(byte[] v) {return v == null ? Bry_.Empty : v;}
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public static byte[] Coalesce(byte[] v, byte[] or) {return v == null ? or : v;}
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public static byte[] new_a7(String str) {
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if (str == null) return null;
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int str_len = str.length();
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if (str_len == 0) return Bry_.Empty;
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byte[] rv = new byte[str_len];
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for (int i = 0; i < str_len; ++i) {
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char c = str.charAt(i);
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if (c > 128) c = '?';
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rv[i] = (byte)c;
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}
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return rv;
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}
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public static byte[] new_u8_safe(String str) {return str == null ? null : new_u8(str);}
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public static byte[] new_u8(String str) {
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try {
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int str_len = str.length();
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int bry_len = new_u8__by_len(str, str_len);
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byte[] rv = new byte[bry_len];
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new_u8__write(str, str_len, rv, 0);
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return rv;
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}
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catch (Exception e) {throw Err_.new_exc(e, "core", "invalid UTF-8 sequence", "s", str);}
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}
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public static int new_u8__by_len(String s, int s_len) {
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int rv = 0;
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for (int i = 0; i < s_len; ++i) {
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char c = s.charAt(i);
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int c_len = 0;
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if ( c < 128) c_len = 1; // 1 << 7
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else if ( c < 2048) c_len = 2; // 1 << 11
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else if ( (c > 55295) // 0xD800
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&& (c < 56320)) c_len = 4; // 0xDFFF
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else c_len = 3; // 1 << 16
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if (c_len == 4) ++i; // surrogate is 2 wide, not 1
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rv += c_len;
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}
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return rv;
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}
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public static byte[] New_u8_nl_apos(String... lines) {
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Bry_bfr bfr = Bry_bfr_.Get();
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try {
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New_u8_nl_apos(bfr, lines);
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return bfr.To_bry_and_clear();
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}
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finally {bfr.Mkr_rls();}
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}
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public static void New_u8_nl_apos(Bry_bfr bfr, String... lines) {
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int lines_len = lines.length;
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for (int i = 0; i < lines_len; ++i) {
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if (i != 0) bfr.Add_byte_nl();
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byte[] line = Bry_.new_u8(lines[i]);
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boolean dirty = false;
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int prv = 0;
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int line_len = line.length;
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for (int j = 0; j < line_len; ++j) {
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byte b = line[j];
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if (b == Byte_ascii.Apos) {
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bfr.Add_mid(line, prv, j);
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bfr.Add_byte(Byte_ascii.Quote);
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dirty = true;
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prv = j + 1;
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}
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}
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if (dirty)
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bfr.Add_mid(line, prv, line_len);
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else
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bfr.Add(line);
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}
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}
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public static void new_u8__write(String str, int str_len, byte[] bry, int bry_pos) {
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for (int i = 0; i < str_len; ++i) {
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char c = str.charAt(i);
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if ( c < 128) {
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bry[bry_pos++] = (byte)c;
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}
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else if ( c < 2048) {
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bry[bry_pos++] = (byte)(0xC0 | (c >> 6));
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bry[bry_pos++] = (byte)(0x80 | (c & 0x3F));
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}
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else if ( (c > 55295) // 0xD800
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&& (c < 56320)) { // 0xDFFF
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if (i >= str_len) throw Err_.new_wo_type("incomplete surrogate pair at end of String", "char", c);
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char nxt_char = str.charAt(i + 1);
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int v = 0x10000 + (c - 0xD800) * 0x400 + (nxt_char - 0xDC00);
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bry[bry_pos++] = (byte)(0xF0 | (v >> 18));
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bry[bry_pos++] = (byte)(0x80 | (v >> 12) & 0x3F);
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bry[bry_pos++] = (byte)(0x80 | (v >> 6) & 0x3F);
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bry[bry_pos++] = (byte)(0x80 | (v & 0x3F));
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++i;
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}
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else {
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bry[bry_pos++] = (byte)(0xE0 | (c >> 12));
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bry[bry_pos++] = (byte)(0x80 | (c >> 6) & 0x3F);
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bry[bry_pos++] = (byte)(0x80 | (c & 0x3F));
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}
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}
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}
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public static byte[] Copy(byte[] src) {
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int src_len = src.length;
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byte[] trg = new byte[src_len];
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for (int i = 0; i < src_len; ++i)
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trg[i] = src[i];
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return trg;
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}
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public static byte[] Resize(byte[] src, int trg_len) {return Resize(src, 0, trg_len);}
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public static byte[] Resize(byte[] src, int src_bgn, int trg_len) {
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byte[] trg = new byte[trg_len];
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int src_len = src.length; if (src_len > trg_len) src_len = trg_len; // trg_len can be less than src_len
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Copy_by_len(src, src_bgn, src_len, trg, 0);
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return trg;
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}
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public static byte[] Repeat_space(int len) {return Repeat(Byte_ascii.Space, len);}
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public static byte[] Repeat(byte b, int len) {
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byte[] rv = new byte[len];
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for (int i = 0; i < len; i++)
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rv[i] = b;
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return rv;
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}
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public static byte[] Add(byte[] src, byte b) {
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int src_len = src.length;
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byte[] rv = new byte[src_len + 1];
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Copy_by_pos(src, 0, src_len, rv, 0);
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rv[src_len] = b;
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return rv;
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}
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public static byte[] Add(byte b, byte[] src) {
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int src_len = src.length;
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byte[] rv = new byte[src_len + 1];
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Copy_by_pos(src, 0, src_len, rv, 1);
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rv[0] = b;
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return rv;
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}
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public static byte[] Add(byte[]... all) {
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int all_len = all.length, rv_len = 0;
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for (int i = 0; i < all_len; ++i) {
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byte[] cur = all[i]; if (cur == null) continue;
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rv_len += cur.length;
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}
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byte[] rv = new byte[rv_len];
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int rv_idx = 0;
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for (int i = 0; i < all_len; ++i) {
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byte[] cur = all[i]; if (cur == null) continue;
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int cur_len = cur.length;
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for (int j = 0; j < cur_len; ++j)
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rv[rv_idx++] = cur[j];
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}
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return rv;
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}
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public static byte[] Add_w_dlm(byte[] dlm, byte[]... ary) {
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int ary_len = ary.length;
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if (ary_len == 0) return Bry_.Empty;
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int dlm_len = dlm.length;
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int rv_len = dlm_len * (ary_len - 1); // rv will have at least as many dlms as itms - 1
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for (int i = 0; i < ary_len; i++) {
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byte[] itm = ary[i];
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if (itm != null) rv_len += itm.length;
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}
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int rv_pos = 0;
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byte[] rv = new byte[rv_len];
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for (int i = 0; i < ary_len; i++) {
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byte[] itm = ary[i];
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if (i != 0) {
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for (int j = 0; j < dlm_len; j++) {
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rv[rv_pos++] = dlm[j];
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}
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}
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if (itm == null) continue;
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int itm_len = itm.length;
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for (int j = 0; j < itm_len; j++) {
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rv[rv_pos++] = itm[j];
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}
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}
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return rv;
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}
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public static byte[] Add_w_dlm(byte dlm, byte[]... ary) {
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int ary_len = ary.length;
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if (ary_len == 0) return Bry_.Empty;
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int rv_len = ary_len - 1; // rv will have at least as many dlms as itms - 1
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for (int i = 0; i < ary_len; i++) {
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byte[] itm = ary[i];
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if (itm != null) rv_len += itm.length;
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}
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int rv_pos = 0;
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byte[] rv = new byte[rv_len];
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for (int i = 0; i < ary_len; i++) {
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byte[] itm = ary[i];
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if (i != 0) rv[rv_pos++] = dlm;
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if (itm == null) continue;
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int itm_len = itm.length;
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for (int j = 0; j < itm_len; j++) {
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rv[rv_pos++] = itm[j];
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}
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}
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return rv;
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}
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public static int Len(byte[] v) {return v == null ? 0 : v.length;}
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public static boolean Len_gt_0(byte[] v) {return v != null && v.length > 0;}
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public static boolean Len_eq_0(byte[] v) {return v == null || v.length == 0;}
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public static byte Get_at_end(byte[] bry) {return bry[bry.length - 1];} // don't bother checking for errors; depend on error trace
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public static boolean Has_at(byte[] src, int src_len, int pos, byte b) {return (pos < src_len) && (src[pos] == b);}
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public static boolean Has(byte[] src, byte[] lkp) {return Bry_find_.Find_fwd(src, lkp) != Bry_find_.Not_found;}
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public static boolean Has(byte[] src, byte lkp) {
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if (src == null) return false;
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int len = src.length;
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for (int i = 0; i < len; i++)
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if (src[i] == lkp) return true;
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return false;
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}
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public static boolean Has_at_bgn(byte[] src, byte lkp) {return Has_at_bgn(src, lkp, 0);}
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public static boolean Has_at_bgn(byte[] src, byte lkp, int src_bgn) {return src_bgn < src.length ? src[src_bgn] == lkp : false;}
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public static boolean Has_at_bgn(byte[] src, byte[] lkp) {return Has_at_bgn(src, lkp, 0, src.length);}
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public static boolean Has_at_bgn(byte[] src, byte[] lkp, int src_bgn, int src_end) {
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int lkp_len = lkp.length;
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if (lkp_len + src_bgn > src_end) return false; // lkp is longer than src
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for (int i = 0; i < lkp_len; i++) {
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if (lkp[i] != src[i + src_bgn]) return false;
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}
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return true;
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}
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public static boolean Has_at_end(byte[] src, byte[] lkp) {int src_len = src.length; return Has_at_end(src, lkp, src_len - lkp.length, src_len);}
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public static boolean Has_at_end(byte[] src, byte[] lkp, int src_bgn, int src_end) {
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int lkp_len = lkp.length;
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if (src_bgn < 0) return false;
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int pos = src_end - lkp_len; if (pos < src_bgn) return false; // lkp is longer than src
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for (int i = 0; i < lkp_len; i++) {
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if (lkp[i] != src[i + pos]) return false;
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}
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return true;
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}
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public static void Set(byte[] src, int bgn, int end, byte[] repl) {
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int repl_len = repl.length;
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for (int i = 0; i < repl_len; i++)
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src[i + bgn] = repl[i];
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}
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public static void Copy_by_pos(byte[] src, int src_bgn, int src_end, byte[] trg, int trg_bgn) {
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int trg_adj = trg_bgn - src_bgn;
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for (int i = src_bgn; i < src_end; i++)
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trg[i + trg_adj] = src[i];
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}
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private static void Copy_by_len(byte[] src, int src_bgn, int src_len, byte[] trg, int trg_bgn) {
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for (int i = 0; i < src_len; i++)
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trg[i + trg_bgn] = src[i + src_bgn];
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}
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public static byte[] Replace_one(byte[] src, byte[] find, byte[] repl) {
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int src_len = src.length;
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int findPos = Bry_find_.Find(src, find, 0, src_len, true); if (findPos == Bry_find_.Not_found) return src;
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int findLen = find.length, replLen = repl.length;
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int rvLen = src_len + replLen - findLen;
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byte[] rv = new byte[rvLen];
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Copy_by_len(src , 0 , findPos , rv, 0 );
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Copy_by_len(repl, 0 , replLen , rv, findPos );
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Copy_by_len(src , findPos + findLen , src_len - findPos - findLen , rv, findPos + replLen);
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return rv;
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}
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public static void Replace_all_direct(byte[] src, byte find, byte repl) {Replace_all_direct(src, find, repl, 0, src.length);}
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public static void Replace_all_direct(byte[] src, byte find, byte repl, int bgn, int end) {
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for (int i = bgn; i < end; i++) {
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byte b = src[i];
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if (b == find) src[i] = repl;
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}
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}
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public static byte[] Limit(byte[] src, int len) {
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if (src == null) return null;
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int src_len = src.length;
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return len < src_len ? Bry_.Mid(src, 0, len) : src;
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}
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public static byte[] Mid_by_nearby(byte[] src, int pos, int around) {
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int bgn = pos - around; if (bgn < 0) bgn = 0;
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int src_len = src.length;
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int end = pos + around; if (end > src_len) end = src_len;
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return Mid(src, bgn, end);
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}
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public static byte[] Mid_by_len(byte[] src, int bgn, int len) {return Mid(src, bgn, bgn + len);}
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public static byte[] Mid_by_len_safe(byte[] src, int bgn, int len) {
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int src_len = src.length;
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if (bgn < 0) bgn = 0;
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if (len + bgn > src_len) len = (src_len - bgn);
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return Mid(src, bgn, bgn + len);
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}
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public static String MidByLenToStr(byte[] src, int bgn, int len) {
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int end = bgn + len; end = Int_.BoundEnd(end, src.length);
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byte[] ary = Bry_.Mid(src, bgn, end);
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return String_.new_u8(ary);
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}
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public static byte[] Mid_safe(byte[] src, int bgn, int end) {
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if (src == null) return null;
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int src_len = src.length;
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if (bgn < 0) bgn = 0;
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if (end >= src_len) end = src_len;
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if (bgn > end) bgn = end;
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else if (end < bgn) end = bgn;
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return Mid(src, bgn, end);
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}
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public static byte[] Mid(byte[] src, int bgn) {return Mid(src, bgn, src.length);}
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public static byte[] Mid_or(byte[] src, int bgn, int end, byte[] or) {
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int src_len = src.length;
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if ( src == null
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|| (bgn < 0 || bgn > src_len)
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|| (end < 0 || end > src_len)
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|| (end < bgn)
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)
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return or;
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return Mid(src, bgn, src.length);
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}
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public static byte[] Mid(byte[] src, int bgn, int end) {
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try {
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int len = end - bgn; if (len == 0) return Bry_.Empty;
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byte[] rv = new byte[len];
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for (int i = bgn; i < end; i++)
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rv[i - bgn] = src[i];
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return rv;
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} catch (Exception e) {Err_.Noop(e); throw Err_.new_("Bry_", "mid failed", "bgn", bgn, "end", end);}
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}
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public static byte[] Mid_w_trim(byte[] src, int bgn, int end) {
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int len = end - bgn; if (len == 0) return Bry_.Empty;
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int actl_bgn = bgn, actl_end = end;
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// trim at bgn
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boolean chars_seen = false;
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for (int i = bgn; i < end; ++i) {
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switch (src[i]) {
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case Byte_ascii.Space: case Byte_ascii.Tab: case Byte_ascii.Nl: case Byte_ascii.Cr:
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break;
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default:
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chars_seen = true;
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actl_bgn = i;
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i = end;
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break;
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}
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}
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if (!chars_seen) return Bry_.Empty; // all ws
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// trim at end
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for (int i = end - 1; i >= actl_bgn; --i) {
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switch (src[i]) {
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case Byte_ascii.Space: case Byte_ascii.Tab: case Byte_ascii.Nl: case Byte_ascii.Cr:
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break;
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default:
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actl_end = i + 1;
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i = -1;
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break;
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}
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}
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// extract mid
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len = actl_end - actl_bgn; if (len == 0) return Bry_.Empty;
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byte[] rv = new byte[len];
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for (int i = actl_bgn; i < actl_end; ++i)
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rv[i - actl_bgn] = src[i];
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return rv;
|
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}
|
|
public static byte[] mask_(int len, byte... itms) {
|
|
byte[] rv = new byte[len];
|
|
int itms_len = itms.length;
|
|
for (int i = 0; i < itms_len; i++) {
|
|
byte itm = itms[i];
|
|
rv[itm & 0xFF] = itm; // PATCH.JAVA:need to convert to unsigned byte
|
|
}
|
|
return rv;
|
|
}
|
|
public static final byte[] Trim_ary_ws = mask_(256, Byte_ascii.Tab, Byte_ascii.Nl, Byte_ascii.Cr, Byte_ascii.Space);
|
|
public static byte[] Trim(byte[] src) {return Trim(src, 0, src.length, true, true, Trim_ary_ws);}
|
|
public static byte[] Trim(byte[] src, int bgn, int end) {return Trim(src, bgn, end, true, true, Trim_ary_ws);}
|
|
public static byte[] Trim(byte[] src, int bgn, int end, boolean trim_bgn, boolean trim_end, byte[] trim_ary) {
|
|
int txt_bgn = bgn, txt_end = end;
|
|
boolean all_ws = true;
|
|
if (trim_bgn) {
|
|
for (int i = bgn; i < end; i++) {
|
|
byte b = src[i];
|
|
if (trim_ary[b & 0xFF] == Byte_ascii.Null) {
|
|
txt_bgn = i;
|
|
i = end;
|
|
all_ws = false;
|
|
}
|
|
}
|
|
if (all_ws) return Bry_.Empty;
|
|
}
|
|
if (trim_end) {
|
|
for (int i = end - 1; i > -1; i--) {
|
|
byte b = src[i];
|
|
if (trim_ary[b & 0xFF] == Byte_ascii.Null) {
|
|
txt_end = i + 1;
|
|
i = -1;
|
|
all_ws = false;
|
|
}
|
|
}
|
|
if (all_ws) return Bry_.Empty;
|
|
}
|
|
return Bry_.Mid(src, txt_bgn, txt_end);
|
|
}
|
|
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
|
|
for (; pos > -1; pos--) {
|
|
if (v[pos] == trim) {
|
|
trimmed = true;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
return trimmed ? Bry_.Mid(v, 0, pos + 1) : v;
|
|
}
|
|
public static int Compare(byte[] lhs, byte[] rhs) {
|
|
if (lhs == null) return CompareAble_.More;
|
|
else if (rhs == null) return CompareAble_.Less;
|
|
else return Compare(lhs, 0, lhs.length, rhs, 0, rhs.length);
|
|
}
|
|
public static int Compare(byte[] lhs, int lhs_bgn, int lhs_end, byte[] rhs, int rhs_bgn, int rhs_end) {
|
|
int lhs_len = lhs_end - lhs_bgn, rhs_len = rhs_end - rhs_bgn;
|
|
int min = lhs_len < rhs_len ? lhs_len : rhs_len;
|
|
int rv = CompareAble_.Same;
|
|
for (int i = 0; i < min; i++) {
|
|
rv = (lhs[i + lhs_bgn] & 0xff) - (rhs[i + rhs_bgn] & 0xff); // PATCH.JAVA:need to convert to unsigned byte
|
|
if (rv != CompareAble_.Same) return rv > CompareAble_.Same ? CompareAble_.More : CompareAble_.Less; // NOTE: changed from if (rv != CompareAble_.Same) return rv; DATE:2013-04-25
|
|
}
|
|
return Int_.Compare(lhs_len, rhs_len); // lhs and rhs share same beginning bytes; return len comparisons
|
|
}
|
|
public static boolean Eq(byte[] src, byte[] val) {return Eq(src, 0, src == null ? 0 : src.length, val);}
|
|
public static boolean Eq(byte[] src, int src_bgn, int src_end, byte[] val) {
|
|
if (src == null && val == null) return true;
|
|
else if (src == null || val == null) return false;
|
|
if (src_bgn < 0) return false;
|
|
int val_len = val.length;
|
|
if (val_len != src_end - src_bgn) return false;
|
|
int src_len = src.length;
|
|
for (int i = 0; i < val_len; i++) {
|
|
int src_pos = i + src_bgn;
|
|
if (src_pos == src_len) return false;
|
|
if (val[i] != src[src_pos]) return false;
|
|
}
|
|
return true;
|
|
}
|
|
public static boolean Eq_ci_a7(byte[] lhs, byte[] rhs, int rhs_bgn, int rhs_end) {
|
|
if (lhs == null && rhs == null) return true;
|
|
else if (lhs == null || rhs == null) return false;
|
|
int lhs_len = lhs.length;
|
|
int rhs_len = rhs_end - rhs_bgn;
|
|
if (lhs_len != rhs_len) return false;
|
|
for (int i = 0; i < lhs_len; i++) {
|
|
byte lhs_b = lhs[i]; if (lhs_b > 64 && lhs_b < 91) lhs_b += 32; // lowercase
|
|
byte rhs_b = rhs[i + rhs_bgn]; if (rhs_b > 64 && rhs_b < 91) rhs_b += 32; // lowercase
|
|
if (lhs_b != rhs_b) return false;
|
|
}
|
|
return true;
|
|
}
|
|
public static boolean Match(byte[] src, byte[] find) {return Match(src, 0, src.length, find, 0, find.length);}
|
|
public static boolean Match(byte[] src, int src_bgn, byte[] find) {return Match(src, src_bgn, src.length, find, 0, find.length);}
|
|
public static boolean Match(byte[] src, int src_bgn, int src_end, byte[] find) {return Match(src, src_bgn, src_end, find, 0, find.length);}
|
|
public static boolean Match(byte[] src, int src_bgn, int src_end, byte[] find, int find_bgn, int find_end) {
|
|
if (src_bgn == -1) return false;
|
|
int src_len = src.length;
|
|
if (src_end > src_len) src_end = src_len; // must limit src_end to src_len, else ArrayIndexOutOfBounds below; DATE:2015-01-31
|
|
int find_len = find_end - find_bgn;
|
|
if (find_len != src_end - src_bgn) return false;
|
|
if (find_len == 0) return src_end - src_bgn == 0; // "" only matches ""
|
|
for (int i = 0; i < find_len; i++) {
|
|
int pos = src_bgn + i;
|
|
if (pos >= src_end) return false; // ran out of src; exit; EX: src=ab; find=abc
|
|
if (src[pos] != find[i + find_bgn]) return false;
|
|
}
|
|
return true;
|
|
}
|
|
public static boolean Match_w_swap(byte[] src, int src_bgn, int src_end, byte[] find, int find_bgn, int find_end, byte swap_src, byte swap_trg) {// same as above, but used by XOWA for ttl matches;
|
|
int src_len = src.length;
|
|
if (src_end > src_len) src_end = src_len; // must limit src_end to src_len, else ArrayIndexOutOfBounds below; DATE:2015-01-31
|
|
int find_len = find_end - find_bgn;
|
|
if (find_len != src_end - src_bgn) return false;
|
|
if (find_len == 0) return src_end - src_bgn == 0; // "" only matches ""
|
|
for (int i = 0; i < find_len; i++) {
|
|
int pos = src_bgn + i;
|
|
if (pos >= src_end) return false; // ran out of src; exit; EX: src=ab; find=abc
|
|
byte src_byte = src[pos]; if (src_byte == swap_src) src_byte = swap_trg;
|
|
byte trg_byte = find[i + find_bgn]; if (trg_byte == swap_src) trg_byte = swap_trg;
|
|
if (src_byte != trg_byte) return false;
|
|
}
|
|
return true;
|
|
}
|
|
public static boolean Match_bwd_any(byte[] src, int src_end, int src_bgn, byte[] find) { // NOTE: utf8 doesn't matter (matching byte for byte)
|
|
int find_len = find.length;
|
|
for (int i = 0; i < find_len; i++) {
|
|
int src_pos = src_end - i;
|
|
int find_pos = find_len - i - 1;
|
|
if (src_pos < src_bgn) return false; // ran out of src; exit; EX: src=ab; find=abc
|
|
if (src[src_pos] != find[find_pos]) return false;
|
|
}
|
|
return true;
|
|
}
|
|
public static int To_int_by_a7(byte[] v) {
|
|
int v_len = v.length;
|
|
int mod = 8 * (v_len - 1);
|
|
int rv = 0;
|
|
for (int i = 0; i < v_len; i++) {
|
|
rv |= v[i] << mod;
|
|
mod -= 8;
|
|
}
|
|
return rv;
|
|
// return ((0xFF & v[0]) << 24)
|
|
// | ((0xFF & v[1]) << 16)
|
|
// | ((0xFF & v[2]) << 8)
|
|
// | (0xFF & v[3]);
|
|
}
|
|
public static byte[] To_a7_bry(int val, int pad_len) {return To_a7_bry(val, null, 0, pad_len);}
|
|
public static byte[] To_a7_bry(int val, byte[] ary, int aryPos, int pad_len) {
|
|
int neg = 0;
|
|
if (val < 0) {
|
|
val *= -1;
|
|
neg = 1;
|
|
}
|
|
int digits = val == 0 ? 0 : Math_.Log10(val);
|
|
digits += 1; // digits = log + 1; EX: Log(1-9) = 0, Log(10-99) = 1
|
|
int ary_len = digits + neg, aryBgn = aryPos, pad = 0;
|
|
if (ary_len < pad_len) { // padding specified
|
|
pad = pad_len - ary_len;
|
|
ary_len = pad_len;
|
|
}
|
|
if (ary == null) ary = new byte[ary_len];
|
|
long factor = 1; // factor needs to be long to handle 1 billion (for which factor would be 10 billion)
|
|
for (int i = 0; i < digits; i++) // calc maxFactor
|
|
factor *= 10;
|
|
if (neg == 1) ary[0] = Byte_NegSign;
|
|
|
|
for (int i = 0; i < pad; i++) // fill ary with pad
|
|
ary[i + aryBgn] = Byte_ascii.To_a7_str(0);
|
|
aryBgn += pad; // advance aryBgn by pad
|
|
for (int i = neg; i < ary_len - pad; i++) {
|
|
int denominator = (int)(factor / 10); // cache denominator to check for divide by 0
|
|
int digit = denominator == 0 ? 0 : (int)((val % factor) / denominator);
|
|
ary[aryBgn + i] = Byte_ascii.To_a7_str(digit);
|
|
factor /= 10;
|
|
}
|
|
return ary;
|
|
}
|
|
public static byte[] new_by_int(int v) {
|
|
byte b0 = (byte)(v >> 24);
|
|
byte b1 = (byte)(v >> 16);
|
|
byte b2 = (byte)(v >> 8);
|
|
byte b3 = (byte)(v);
|
|
if (b0 != 0) return new byte[] {b0, b1, b2, b3};
|
|
else if (b1 != 0) return new byte[] {b1, b2, b3};
|
|
else if (b2 != 0) return new byte[] {b2, b3};
|
|
else return new byte[] {b3};
|
|
}
|
|
public static boolean To_bool_by_int(byte[] ary) {
|
|
int rv = To_int_or(ary, 0, ary.length, Int_.Min_value, Bool_.Y, null);
|
|
switch (rv) {
|
|
case 0: return false;
|
|
case 1: return true;
|
|
default: throw Err_.new_wo_type("could not parse to boolean int", "val", String_.new_u8(ary));
|
|
}
|
|
}
|
|
public static byte To_int_as_byte(byte[] ary, int bgn, int end, byte or) {return (byte)To_int_or(ary, bgn, end, or);}
|
|
public static int To_int(byte[] ary) {
|
|
int rv = To_int_or(ary, 0, ary.length, Int_.Min_value, Bool_.Y, null);
|
|
if (rv == Int_.Min_value) throw Err_.new_wo_type("could not parse to int", "val", String_.new_u8(ary));
|
|
return rv;
|
|
}
|
|
public static int To_int_or_neg1(byte[] ary) {return To_int_or(ary, 0 , ary.length, -1, Bool_.Y, null);}
|
|
public static int To_int_or(byte[] ary, int or) {return To_int_or(ary, 0 , ary.length, or, Bool_.Y, null);}
|
|
public static int To_int_or(byte[] ary, int bgn, int end, int or) {return To_int_or(ary, bgn , end , or, Bool_.Y, null);}
|
|
public static int To_int_or__strict(byte[] ary, int or) {return To_int_or(ary, 0 , ary.length, or, Bool_.N, null);}
|
|
private static int To_int_or(byte[] ary, int bgn, int end, int or, boolean sign_is_valid, byte[] ignore_ary) {
|
|
if ( ary == null
|
|
|| end == bgn // null-len
|
|
) return or;
|
|
int rv = 0, multiple = 1;
|
|
for (int i = end - 1; i >= bgn; i--) { // -1 b/c end will always be next char; EX: {{{1}}}; bgn = 3, end = 4
|
|
byte b = ary[i];
|
|
switch (b) {
|
|
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:
|
|
rv += multiple * (b - Byte_ascii.Num_0);
|
|
multiple *= 10;
|
|
break;
|
|
case Byte_ascii.Dash:
|
|
return i == bgn && sign_is_valid ? rv * -1 : or;
|
|
case Byte_ascii.Plus:
|
|
return i == bgn && sign_is_valid ? rv : or;
|
|
default:
|
|
boolean invalid = true;
|
|
if (ignore_ary != null) {
|
|
int ignore_ary_len = ignore_ary.length;
|
|
for (int j = 0; j < ignore_ary_len; j++) {
|
|
if (b == ignore_ary[j]) {
|
|
invalid = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (invalid) return or;
|
|
break;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
public static int To_int_or__trim_ws(byte[] ary, int bgn, int end, int or) { // NOTE: same as To_int_or, except trims ws at bgn / end; DATE:2014-02-09
|
|
if (end == bgn) return or; // null len
|
|
int rv = 0, multiple = 1;
|
|
boolean numbers_seen = false, ws_seen = false;
|
|
for (int i = end - 1; i >= bgn; i--) { // -1 b/c end will always be next char; EX: {{{1}}}; bgn = 3, end = 4
|
|
byte b = ary[i];
|
|
switch (b) {
|
|
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:
|
|
rv += multiple * (b - Byte_ascii.Num_0);
|
|
multiple *= 10;
|
|
if (ws_seen) // "number ws number" pattern; invalid ws in middle; see tests
|
|
return or;
|
|
numbers_seen = true;
|
|
break;
|
|
case Byte_ascii.Dash:
|
|
return i == bgn ? rv * -1 : or;
|
|
case Byte_ascii.Space: case Byte_ascii.Tab: case Byte_ascii.Nl: case Byte_ascii.Cr:
|
|
if (numbers_seen)
|
|
ws_seen = true;
|
|
break;
|
|
default: return or;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
public static int To_int_or__lax(byte[] ary, int bgn, int end, int or) {
|
|
if (end == bgn) return or; // null-len
|
|
int end_num = end;
|
|
for (int i = bgn; i < end; i++) {
|
|
byte b = ary[i];
|
|
switch (b) {
|
|
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:
|
|
break;
|
|
case Byte_ascii.Dash:
|
|
if (i != bgn) {
|
|
end_num = i;
|
|
i = end;
|
|
}
|
|
break;
|
|
default:
|
|
end_num = i;
|
|
i = end;
|
|
break;
|
|
}
|
|
}
|
|
return To_int_or(ary, bgn, end_num, or);
|
|
}
|
|
public static long To_long_or(byte[] ary, long or) {return To_long_or(ary, null, 0, ary.length, or);}
|
|
public static long To_long_or(byte[] ary, byte[] ignore_ary, int bgn, int end, long or) {
|
|
if ( ary == null
|
|
|| end == bgn // null-len
|
|
) return or;
|
|
long rv = 0, multiple = 1;
|
|
for (int i = end - 1; i >= bgn; i--) { // -1 b/c end will always be next char; EX: {{{1}}}; bgn = 3, end = 4
|
|
byte b = ary[i];
|
|
switch (b) {
|
|
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:
|
|
rv += multiple * (b - Byte_ascii.Num_0);
|
|
multiple *= 10;
|
|
break;
|
|
case Byte_ascii.Dash:
|
|
return i == bgn ? rv * -1 : or;
|
|
case Byte_ascii.Plus:
|
|
return i == bgn ? rv : or;
|
|
default:
|
|
boolean invalid = true;
|
|
if (ignore_ary != null) {
|
|
int ignore_ary_len = ignore_ary.length;
|
|
for (int j = 0; j < ignore_ary_len; j++) {
|
|
if (b == ignore_ary[j]) {
|
|
invalid = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (invalid) return or;
|
|
break;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
public static double To_double(byte[] ary, int bgn, int end) {return Double_.parse(String_.new_u8(ary, bgn, end));}
|
|
public static double To_double_or(byte[] bry, double or) {return Double_.parse_or(String_.new_u8(bry, 0, bry.length), or);}
|
|
public static double To_double_or(byte[] ary, int bgn, int end, double or) {return Double_.parse_or(String_.new_u8(ary, bgn, end), or);}
|
|
public static Decimal_adp To_decimal(byte[] ary, int bgn, int end) {return Decimal_adp_.parse(String_.new_u8(ary, bgn, end));}
|
|
public static byte[][] Ary_add(byte[][] lhs, byte[][] rhs) {
|
|
int lhs_len = lhs.length, rhs_len = rhs.length;
|
|
if (lhs_len == 0) return rhs;
|
|
else if (rhs_len == 0) return lhs;
|
|
else {
|
|
byte[][] rv = new byte[lhs_len + rhs_len][];
|
|
for (int i = 0; i < lhs_len; i++)
|
|
rv[i] = lhs[i];
|
|
for (int i = 0; i < rhs_len; i++)
|
|
rv[i + lhs_len] = rhs[i];
|
|
return rv;
|
|
}
|
|
}
|
|
public static byte[][] Ary(byte[]... ary) {return ary;}
|
|
public static byte[][] Ary(String... ary) {
|
|
int ary_len = ary.length;
|
|
byte[][] rv = new byte[ary_len][];
|
|
for (int i = 0; i < ary_len; i++) {
|
|
String itm = ary[i];
|
|
rv[i] = itm == null ? null : Bry_.new_u8(itm);
|
|
}
|
|
return rv;
|
|
}
|
|
public static byte[][] Ary_obj(Object... ary) {
|
|
if (ary == null) return Bry_.Ary_empty;
|
|
int ary_len = ary.length;
|
|
byte[][] rv = new byte[ary_len][];
|
|
for (int i = 0; i < ary_len; i++) {
|
|
Object itm = ary[i];
|
|
rv[i] = itm == null ? null : Bry_.new_u8(Object_.Xto_str_strict_or_empty(itm));
|
|
}
|
|
return rv;
|
|
}
|
|
public static boolean Ary_eq(byte[][] lhs, byte[][] rhs) {
|
|
int lhs_len = lhs.length;
|
|
int rhs_len = rhs.length;
|
|
if (lhs_len != rhs_len) return false;
|
|
for (int i = 0; i < lhs_len; ++i)
|
|
if (!Bry_.Eq(lhs[i], rhs[i])) return false;
|
|
return true;
|
|
}
|
|
public static final byte Dlm_fld = (byte)'|', Dlm_row = (byte)'\n', Dlm_quote = (byte)'"', Dlm_null = 0, Ascii_zero = 48;
|
|
public static final String Fmt_csvDte = "yyyyMMdd HHmmss.fff";
|
|
public static DateAdp ReadCsvDte(byte[] ary, Int_obj_ref posRef, byte lkp) {// ASSUME: fmt = yyyyMMdd HHmmss.fff
|
|
int y = 0, M = 0, d = 0, H = 0, m = 0, s = 0, f = 0;
|
|
int bgn = posRef.Val();
|
|
y += (ary[bgn + 0] - Ascii_zero) * 1000;
|
|
y += (ary[bgn + 1] - Ascii_zero) * 100;
|
|
y += (ary[bgn + 2] - Ascii_zero) * 10;
|
|
y += (ary[bgn + 3] - Ascii_zero);
|
|
M += (ary[bgn + 4] - Ascii_zero) * 10;
|
|
M += (ary[bgn + 5] - Ascii_zero);
|
|
d += (ary[bgn + 6] - Ascii_zero) * 10;
|
|
d += (ary[bgn + 7] - Ascii_zero);
|
|
H += (ary[bgn + 9] - Ascii_zero) * 10;
|
|
H += (ary[bgn + 10] - Ascii_zero);
|
|
m += (ary[bgn + 11] - Ascii_zero) * 10;
|
|
m += (ary[bgn + 12] - Ascii_zero);
|
|
s += (ary[bgn + 13] - Ascii_zero) * 10;
|
|
s += (ary[bgn + 14] - Ascii_zero);
|
|
f += (ary[bgn + 16] - Ascii_zero) * 100;
|
|
f += (ary[bgn + 17] - Ascii_zero) * 10;
|
|
f += (ary[bgn + 18] - Ascii_zero);
|
|
if (ary[bgn + 19] != lkp) throw Err_.new_wo_type("csv date is invalid", "txt", String_.new_u8__by_len(ary, bgn, 20));
|
|
posRef.Val_add(19 + 1); // +1=lkp.len
|
|
return DateAdp_.new_(y, M, d, H, m, s, f);
|
|
}
|
|
public static String ReadCsvStr(byte[] ary, Int_obj_ref posRef, byte lkp) {return String_.new_u8(ReadCsvBry(ary, posRef, lkp, true));}
|
|
public static byte[] ReadCsvBry(byte[] ary, Int_obj_ref posRef, byte lkp) {return ReadCsvBry(ary, posRef, lkp, true);}
|
|
public static byte[] ReadCsvBry(byte[] ary, Int_obj_ref posRef, byte lkp, boolean make) {
|
|
int bgn = posRef.Val(), aryLen = ary.length;
|
|
Bry_bfr bb = null;
|
|
if (aryLen > 0 && ary[0] == Dlm_quote) {
|
|
int pos = bgn + 1; // +1 to skip quote
|
|
if (make) bb = Bry_bfr.new_(16);
|
|
while (true) {
|
|
if (pos == aryLen) throw Err_.new_wo_type("endOfAry reached, but no quote found", "txt", String_.new_u8__by_len(ary, bgn, pos));
|
|
byte b = ary[pos];
|
|
if (b == Dlm_quote) {
|
|
if (pos == aryLen - 1) throw Err_.new_wo_type("endOfAry reached, quote found but lkp not", "txt", String_.new_u8__by_len(ary, bgn, pos));
|
|
byte next = ary[pos + 1];
|
|
if (next == Dlm_quote) { // byte followed by quote
|
|
if (make) bb.Add_byte(b);
|
|
pos += 2;
|
|
}
|
|
else if (next == lkp) {
|
|
posRef.Val_(pos + 2); // 1=endQuote;1=lkp;
|
|
return make ? bb.To_bry() : Bry_.Empty;
|
|
}
|
|
else throw Err_.new_wo_type("quote found, but not doubled", "txt", String_.new_u8__by_len(ary, bgn, pos + 1));
|
|
}
|
|
else {
|
|
if (make) bb.Add_byte(b);
|
|
pos++;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for (int i = bgn; i < aryLen; i++) {
|
|
if (ary[i] == lkp) {
|
|
posRef.Val_(i + 1); // +1 = lkp.Len
|
|
return make ? Bry_.Mid(ary, bgn, i) : Bry_.Empty;
|
|
}
|
|
}
|
|
throw Err_.new_wo_type("lkp failed", "lkp", (char)lkp, "txt", String_.new_u8__by_len(ary, bgn, aryLen));
|
|
}
|
|
}
|
|
public static int ReadCsvInt(byte[] ary, Int_obj_ref posRef, byte lkp) {
|
|
int bgn = posRef.Val();
|
|
int pos = Bry_find_.Find_fwd(ary, lkp, bgn, ary.length);
|
|
if (pos == Bry_find_.Not_found) throw Err_.new_wo_type("lkp failed", "lkp", (char)lkp, "bgn", bgn);
|
|
int rv = Bry_.To_int_or(ary, posRef.Val(), pos, -1);
|
|
posRef.Val_(pos + 1); // +1 = lkp.Len
|
|
return rv;
|
|
}
|
|
public static double ReadCsvDouble(byte[] ary, Int_obj_ref posRef, byte lkp) {
|
|
int bgn = posRef.Val();
|
|
int pos = Bry_find_.Find_fwd(ary, lkp, bgn, ary.length);
|
|
if (pos == Bry_find_.Not_found) throw Err_.new_wo_type("lkp failed", "lkp", (char)lkp, "bgn", bgn);
|
|
double rv = Bry_.To_double(ary, posRef.Val(), pos);
|
|
posRef.Val_(pos + 1); // +1 = lkp.Len
|
|
return rv;
|
|
}
|
|
public static void ReadCsvNext(byte[] ary, Int_obj_ref posRef, byte lkp) {
|
|
int bgn = posRef.Val();
|
|
int pos = Bry_find_.Find_fwd(ary, lkp, bgn, ary.length);
|
|
posRef.Val_(pos + 1); // +1 = lkp.Len
|
|
}
|
|
public static byte Byte_NegSign = (byte)'-';
|
|
public static byte[] Replace_create(byte[] src, byte find, byte replace) {
|
|
byte[] rv = Bry_.Copy(src);
|
|
Replace_reuse(rv, find, replace);
|
|
return rv;
|
|
}
|
|
public static void Replace_reuse(byte[] src, byte find, byte replace) {
|
|
int src_len = src.length;
|
|
for (int i = 0; i < src_len; i++) {
|
|
if (src[i] == find) src[i] = replace;
|
|
}
|
|
}
|
|
public static byte[] Replace(byte[] src, byte find, byte replace) {return Replace(src, 0, src.length, find, replace);}
|
|
public static byte[] Replace(byte[] src, int bgn, int end, byte find, byte replace) {
|
|
int src_len = src.length;
|
|
byte[] rv = new byte[src_len];
|
|
for (int i = bgn; i < end; ++i) {
|
|
byte b = src[i];
|
|
rv[i] = b == find ? replace : b;
|
|
}
|
|
for (int i = end; i < src_len; ++i)
|
|
rv[i] = src[i];
|
|
return rv;
|
|
}
|
|
public static byte[] Replace_safe(Bry_bfr bfr, byte[] src, byte[] find, byte[] repl) {
|
|
if (src == null || find == null || repl == null) return null;
|
|
return Replace(bfr, src, find, repl, 0, src.length);
|
|
}
|
|
public static byte[] Replace(Bry_bfr bfr, byte[] src, byte[] find, byte[] repl) {return Replace(bfr, src, find, repl, 0, src.length);}
|
|
public static byte[] Replace(Bry_bfr bfr, byte[] src, byte[] find, byte[] repl, int src_bgn, int src_end) {return Replace(bfr, src, find, repl, src_bgn, src_end, Int_.Max_value);}
|
|
public static byte[] Replace(Bry_bfr bfr, byte[] src, byte[] find, byte[] repl, int src_bgn, int src_end, int limit) {
|
|
int pos = src_bgn;
|
|
boolean dirty = false;
|
|
int find_len = find.length;
|
|
int bfr_bgn = pos;
|
|
int replace_count = 0;
|
|
while (pos < src_end) {
|
|
int find_pos = Bry_find_.Find_fwd(src, find, pos);
|
|
if (find_pos == Bry_find_.Not_found) break;
|
|
dirty = true;
|
|
bfr.Add_mid(src, bfr_bgn, find_pos);
|
|
bfr.Add(repl);
|
|
pos = find_pos + find_len;
|
|
bfr_bgn = pos;
|
|
++replace_count;
|
|
if (replace_count == limit) break;
|
|
}
|
|
if (dirty)
|
|
bfr.Add_mid(src, bfr_bgn, src_end);
|
|
return dirty ? bfr.To_bry_and_clear() : src;
|
|
}
|
|
public static byte[] Replace(byte[] src, byte[] find, byte[] replace) {return Replace_between(src, find, null, replace);}
|
|
public static byte[] Replace_between(byte[] src, byte[] bgn, byte[] end, byte[] replace) {
|
|
Bry_bfr bfr = Bry_bfr.new_();
|
|
boolean replace_all = end == null;
|
|
int src_len = src.length, bgn_len = bgn.length, end_len = replace_all ? 0 : end.length;
|
|
int pos = 0;
|
|
while (true) {
|
|
if (pos >= src_len) break;
|
|
int bgn_pos = Bry_find_.Find_fwd(src, bgn, pos);
|
|
if (bgn_pos == Bry_find_.Not_found) {
|
|
bfr.Add_mid(src, pos, src_len);
|
|
break;
|
|
}
|
|
else {
|
|
int bgn_rhs = bgn_pos + bgn_len;
|
|
int end_pos = replace_all ? bgn_rhs : Bry_find_.Find_fwd(src, end, bgn_rhs);
|
|
if (end_pos == Bry_find_.Not_found) {
|
|
bfr.Add_mid(src, pos, src_len);
|
|
break;
|
|
}
|
|
else {
|
|
bfr.Add_mid(src, pos, bgn_pos);
|
|
bfr.Add(replace);
|
|
pos = end_pos + end_len;
|
|
}
|
|
}
|
|
}
|
|
return bfr.To_bry_and_clear();
|
|
}
|
|
public static int Trim_end_pos(byte[] src, int end) {
|
|
for (int i = end - 1; i > -1; i--) {
|
|
switch (src[i]) {
|
|
case Byte_ascii.Tab: case Byte_ascii.Nl: case Byte_ascii.Cr: case Byte_ascii.Space:
|
|
break;
|
|
default:
|
|
return i + 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
public static byte[] Increment_last(byte[] ary) {return Increment_last(ary, ary.length - 1);}
|
|
public static byte[] Increment_last(byte[] ary, int end_idx) {
|
|
for (int i = end_idx; i > -1; i--) {
|
|
byte end_val_old = ary[i];
|
|
byte end_val_new = (byte)(end_val_old + 1);
|
|
ary[i] = end_val_new;
|
|
if (end_val_new > (end_val_old & 0xff)) break; // PATCH.JAVA:need to convert to unsigned byte
|
|
}
|
|
return ary;
|
|
}
|
|
public static byte[] Ucase__all(byte[] src) {return Xcase__all(Bool_.Y, src, 0, -1);}
|
|
public static byte[] Lcase__all(byte[] src) {return Xcase__all(Bool_.N, src, 0, -1);}
|
|
public static byte[] Lcase__all(byte[] src, int bgn, int end) {return Xcase__all(Bool_.N, src, bgn, end);}
|
|
private static byte[] Xcase__all(boolean upper, byte[] src, int bgn, int end) {
|
|
if (src == null) return null;
|
|
int len = end == -1 ? src.length : end - bgn; if (len == 0) return src;
|
|
byte[] rv = new byte[len];
|
|
for (int i = 0; i < len; ++i) {
|
|
byte b = src[i + bgn];
|
|
if (upper) {
|
|
if (b > 96 && b < 123) b -= 32;
|
|
}
|
|
else {
|
|
if (b > 64 && b < 91) b += 32;
|
|
}
|
|
rv[i] = b;
|
|
}
|
|
return rv;
|
|
}
|
|
public static byte[] Ucase__1st(byte[] src) {return Xcase__1st(Bool_.Y, src);}
|
|
public static byte[] Lcase__1st(byte[] src) {return Xcase__1st(Bool_.N, src);}
|
|
private static byte[] Xcase__1st(boolean upper, byte[] src) {
|
|
if (src == null) return null;
|
|
int len = src.length; if (len == 0) return src;
|
|
byte[] rv = new byte[len];
|
|
byte b = src[0];
|
|
if (upper) {
|
|
if (b > 96 && b < 123) b -= 32;
|
|
}
|
|
else {
|
|
if (b > 64 && b < 91) b += 32;
|
|
}
|
|
rv[0] = b;
|
|
for (int i = 1; i < len; ++i) {
|
|
rv[i] = src[i];
|
|
}
|
|
return rv;
|
|
}
|
|
public static byte[] Null_if_empty(byte[] v) {return Len_eq_0(v) ? null : v;}
|
|
|
|
public static byte[] Escape_ws(byte[] bry) {Bry_bfr bfr = Bry_bfr_.Get(); byte[] rv = Escape_ws(bfr, bry); bfr.Mkr_rls(); return rv;}
|
|
public static byte[] Escape_ws(Bry_bfr bfr, byte[] src) {
|
|
boolean dirty = false;
|
|
int len = src.length;
|
|
for (int i = 0; i < len; ++i) {
|
|
byte b = src[i];
|
|
byte escape = Byte_.Zero;
|
|
switch (b) {
|
|
case Byte_ascii.Tab: escape = Byte_ascii.Ltr_t; break;
|
|
case Byte_ascii.Nl: escape = Byte_ascii.Ltr_n; break;
|
|
case Byte_ascii.Cr: escape = Byte_ascii.Ltr_r; break;
|
|
default: if (dirty) bfr.Add_byte(b); break;
|
|
}
|
|
if (escape != Byte_.Zero) {
|
|
if (!dirty) {
|
|
dirty = true;
|
|
bfr.Add_mid(src, 0, i);
|
|
}
|
|
bfr.Add_byte_backslash().Add_byte(escape);
|
|
}
|
|
}
|
|
return dirty ? bfr.To_bry_and_clear() : src;
|
|
}
|
|
public static byte[] Resolve_escape(Bry_bfr bfr, byte escape, byte[] raw, int bgn, int end) {
|
|
int pos = bgn;
|
|
boolean dirty = false;
|
|
while (pos < end) {
|
|
byte b = raw[pos];
|
|
if (b == escape) {
|
|
if (!dirty) {
|
|
dirty = true;
|
|
bfr.Add_mid(raw, bgn, pos);
|
|
}
|
|
++pos;
|
|
if (pos < end) { // check for eos; note that this ignores trailing "\"; EX: "a\" -> "a"
|
|
bfr.Add_byte(raw[pos]);
|
|
++pos;
|
|
}
|
|
}
|
|
else {
|
|
if (dirty) bfr.Add_byte(b);
|
|
++pos;
|
|
}
|
|
}
|
|
return dirty ? bfr.To_bry_and_clear() : raw;
|
|
}
|
|
public static void Clear(byte[] bry) {
|
|
int len = bry.length;
|
|
for (int i = 0; i < len; ++i)
|
|
bry[i] = Byte_.Zero;
|
|
}
|
|
}
|