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102 lines
3.9 KiB
102 lines
3.9 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx;
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import gplx.core.strings.*;
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public class Keyval_ {
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public static final Keyval[] Ary_empty = new Keyval[0];
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public static Keyval[] Ary(Keyval... ary) {return ary;}
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public static Keyval[] Ary_cast_(Object o) {
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try {return (Keyval[])o;}
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catch (Exception e) {throw Err_.new_cast(e, Keyval.class, o);}
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}
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public static Keyval[] Ary_insert(Keyval[] orig, boolean insert_at_end, Keyval... vals) {
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int orig_len = orig.length, vals_len = vals.length;
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int rv_len = orig_len + vals_len;
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Keyval[] rv = new Keyval[rv_len];
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int vals_bgn = 0 , vals_end = vals_len;
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int orig_bgn = vals_len , orig_end = rv_len;
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if (insert_at_end) {
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orig_bgn = 0 ; orig_end = orig_len;
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vals_bgn = orig_len ; vals_end = rv_len;
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}
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for (int i = orig_bgn; i < orig_end; i++)
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rv[i] = orig[i - orig_bgn];
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for (int i = vals_bgn; i < vals_end; i++)
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rv[i] = vals[i - vals_bgn];
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return rv;
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}
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public static String Ary_to_str(Keyval... ary) {
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String_bldr sb = String_bldr_.new_();
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int len = ary.length;
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for (int i = 0; i < len; i++) {
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Keyval itm = ary[i];
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sb.Add(itm.Key()).Add("=");
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Object itm_val = itm.Val();
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if (Type_adp_.Eq_typeSafe(itm_val, Keyval[].class))
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sb.Add(Ary_to_str((Keyval[])itm_val));
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else
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sb.Add(Object_.Xto_str_strict_or_null_mark(itm_val));
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sb.Add_char_nl();
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}
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return sb.To_str();
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}
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public static Object Ary_get_by_key_or_null(Keyval[] ary, String key) {
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int len = ary.length;
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for (int i = 0; i < len; i++) {
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Keyval kv = ary[i];
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if (String_.Eq(kv.Key(), key)) return kv.Val();
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}
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return null;
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}
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public static String Ary__to_str__nest(Keyval... ary) {
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Bry_bfr bfr = Bry_bfr_.New();
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Ary__to_str__nest(bfr, 0, ary);
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return bfr.To_str_and_clear();
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}
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private static void Ary__to_str__nest(Bry_bfr bfr, int indent, Keyval[] ary) {
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int len = ary.length;
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for (int i = 0; i < len; ++i) {
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Keyval itm = ary[i];
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if (indent > 0)
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bfr.Add_byte_repeat(Byte_ascii.Space, indent * 2); // add indent : " "
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bfr.Add_str_u8(Object_.Xto_str_strict_or_empty(itm.Key())).Add_byte_eq();// add key + eq : "key="
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Object val = itm.Val();
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if (val == null)
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bfr.Add_str_a7(String_.Null_mark);
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else {
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Class<?> val_type = Type_adp_.ClassOf_obj(val);
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if (Type_adp_.Eq(val_type, Keyval[].class)) { // val is Keyval[]; recurse
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bfr.Add_byte_nl(); // add nl : "\n"
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Ary__to_str__nest(bfr, indent + 1, (Keyval[])val);
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continue; // don't add \n below
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}
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else if (Type_adp_.Eq(val_type, Bool_.Cls_ref_type)) { // val is boolean
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boolean val_as_bool = Bool_.Cast(val);
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bfr.Add(val_as_bool ? Bool_.True_bry : Bool_.False_bry); // add "true" or "false"; don't call toString
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}
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else
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bfr.Add_str_u8(Object_.Xto_str_strict_or_null_mark(val)); // call toString()
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}
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bfr.Add_byte_nl();
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}
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}
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public static Keyval as_(Object obj) {return obj instanceof Keyval ? (Keyval)obj : null;}
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public static Keyval new_(String key) {return new Keyval(Type_adp_.Tid__str, key, key);}
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public static Keyval new_(String key, Object val) {return new Keyval(Type_adp_.Tid__str, key, val);}
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public static Keyval int_(int key, Object val) {return new Keyval(Type_adp_.Tid__int, key, val);}
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public static Keyval obj_(Object key, Object val) {return new Keyval(Type_adp_.Tid__obj, key, val);}
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}
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