зеркало из https://github.com/mozilla/gecko-dev.git
1090 строки
24 KiB
C
1090 строки
24 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "pa_parse.h"
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#include <stdio.h>
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#include "libi18n.h"
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#ifdef PROFILE
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#pragma profile on
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#endif
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#define PA_REMAP_128_TO_160_ILLEGAL_NCR 1
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#define NOT_USED 0xfffd
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static uint16 PA_HackTable[] = {
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NOT_USED,
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NOT_USED,
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0x201a, /* SINGLE LOW-9 QUOTATION MARK */
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0x0192, /* LATIN SMALL LETTER F WITH HOOK */
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0x201e, /* DOUBLE LOW-9 QUOTATION MARK */
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0x2026, /* HORIZONTAL ELLIPSIS */
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0x2020, /* DAGGER */
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0x2021, /* DOUBLE DAGGER */
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0x02c6, /* MODIFIER LETTER CIRCUMFLEX ACCENT */
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0x2030, /* PER MILLE SIGN */
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0x0160, /* LATIN CAPITAL LETTER S WITH CARON */
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0x2039, /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK */
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0x0152, /* LATIN CAPITAL LIGATURE OE */
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NOT_USED,
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NOT_USED,
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NOT_USED,
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NOT_USED,
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0x2018, /* LEFT SINGLE QUOTATION MARK */
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0x2019, /* RIGHT SINGLE QUOTATION MARK */
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0x201c, /* LEFT DOUBLE QUOTATION MARK */
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0x201d, /* RIGHT DOUBLE QUOTATION MARK */
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0x2022, /* BULLET */
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0x2013, /* EN DASH */
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0x2014, /* EM DASH */
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0x02dc, /* SMALL TILDE */
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0x2122, /* TRADE MARK SIGN */
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0x0161, /* LATIN SMALL LETTER S WITH CARON */
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0x203a, /* SINGLE RIGHT-POINTING ANGLE QUOTATION MARK */
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0x0153, /* LATIN SMALL LIGATURE OE */
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NOT_USED,
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NOT_USED,
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0x0178 /* LATIN CAPITAL LETTER Y WITH DIAERESIS */
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};
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typedef struct PA_N2U_struct {
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char* NE; /* Name Entity, "copy" */
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intn len; /* 4, the length of NE */
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int16 unicode; /* 0x00a4 */
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} PA_N2U; /* Name->Unicode */
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/* NE LEN UNICODE */
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static PA_N2U PA_Name2Unicode[] = {
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{"quot", 4, 0x0022 },
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{"QUOT", 4, 0x0022 },
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{"amp", 3, 0x0026 },
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{"AMP", 3, 0x0026 },
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{"lt", 2, 0x003c },
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{"LT", 2, 0x003c },
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{"gt", 2, 0x003e },
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{"GT", 2, 0x003e },
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{"nbsp", 4, 0x00a0 },
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{"iexcl", 5, 0x00a1 },
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{"cent", 4, 0x00a2 },
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{"pound", 5, 0x00a3 },
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{"curren", 6, 0x00a4 },
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{"yen", 3, 0x00a5 },
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{"brvbar", 6, 0x00a6 },
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{"sect", 4, 0x00a7 },
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{"uml", 3, 0x00a8 },
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{"copy", 4, 0x00a9 },
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{"COPY", 4, 0x00a9 },
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{"ordf", 4, 0x00aa },
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{"laquo", 5, 0x00ab },
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{"not", 3, 0x00ac },
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{"shy", 3, 0x00ad },
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{"reg", 3, 0x00ae },
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{"REG", 3, 0x00ae },
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{"macr", 4, 0x00af },
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{"deg", 3, 0x00b0 },
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{"plusmn", 6, 0x00b1 },
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{"sup2", 4, 0x00b2 },
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{"sup3", 4, 0x00b3 },
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{"acute", 5, 0x00b4 },
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{"micro", 5, 0x00b5 },
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{"para", 4, 0x00b6 },
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{"middot", 6, 0x00b7 },
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{"cedil", 5, 0x00b8 },
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{"sup1", 4, 0x00b9 },
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{"ordm", 4, 0x00ba },
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{"raquo", 5, 0x00bb },
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{"frac14", 6, 0x00bc },
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{"frac12", 6, 0x00bd },
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{"frac34", 6, 0x00be },
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{"iquest", 6, 0x00bf },
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{"Agrave", 6, 0x00c0 },
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{"Aacute", 6, 0x00c1 },
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{"Acirc", 5, 0x00c2 },
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{"Atilde", 6, 0x00c3 },
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{"Auml", 4, 0x00c4 },
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{"Aring", 5, 0x00c5 },
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{"AElig", 5, 0x00c6 },
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{"Ccedil", 6, 0x00c7 },
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{"Egrave", 6, 0x00c8 },
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{"Eacute", 6, 0x00c9 },
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{"Ecirc", 5, 0x00ca },
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{"Euml", 4, 0x00cb },
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{"Igrave", 6, 0x00cc },
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{"Iacute", 6, 0x00cd },
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{"Icirc", 5, 0x00ce },
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{"Iuml", 4, 0x00cf },
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{"ETH", 3, 0x00d0 },
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{"Ntilde", 6, 0x00d1 },
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{"Ograve", 6, 0x00d2 },
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{"Oacute", 6, 0x00d3 },
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{"Ocirc", 5, 0x00d4 },
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{"Otilde", 6, 0x00d5 },
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{"Ouml", 4, 0x00d6 },
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{"times", 5, 0x00d7 },
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{"Oslash", 6, 0x00d8 },
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{"Ugrave", 6, 0x00d9 },
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{"Uacute", 6, 0x00da },
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{"Ucirc", 5, 0x00db },
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{"Uuml", 4, 0x00dc },
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{"Yacute", 6, 0x00dd },
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{"THORN", 5, 0x00de },
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{"szlig", 5, 0x00df },
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{"agrave", 6, 0x00e0 },
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{"aacute", 6, 0x00e1 },
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{"acirc", 5, 0x00e2 },
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{"atilde", 6, 0x00e3 },
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{"auml", 4, 0x00e4 },
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{"aring", 5, 0x00e5 },
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{"aelig", 5, 0x00e6 },
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{"ccedil", 6, 0x00e7 },
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{"egrave", 6, 0x00e8 },
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{"eacute", 6, 0x00e9 },
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{"ecirc", 5, 0x00ea },
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{"euml", 4, 0x00eb },
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{"igrave", 6, 0x00ec },
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{"iacute", 6, 0x00ed },
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{"icirc", 5, 0x00ee },
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{"iuml", 4, 0x00ef },
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{"eth", 3, 0x00f0 },
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{"ntilde", 6, 0x00f1 },
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{"ograve", 6, 0x00f2 },
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{"oacute", 6, 0x00f3 },
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{"ocirc", 5, 0x00f4 },
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{"otilde", 6, 0x00f5 },
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{"ouml", 4, 0x00f6 },
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{"divide", 6, 0x00f7 },
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{"oslash", 6, 0x00f8 },
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{"ugrave", 6, 0x00f9 },
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{"uacute", 6, 0x00fa },
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{"ucirc", 5, 0x00fb },
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{"uuml", 4, 0x00fc },
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{"yacute", 6, 0x00fd },
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{"thorn", 5, 0x00fe },
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{"yuml", 4, 0x00ff },
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{"OElig", 5, 0x0152 },
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{"oelig", 5, 0x0153 },
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{"Scaron", 6, 0x0160 },
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{"scaron", 6, 0x0161 },
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{"Yuml", 4, 0x0178 },
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{"fnof", 4, 0x0192 },
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{"circ", 4, 0x02c6 },
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{"tilde", 5, 0x02dc },
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{"Alpha", 5, 0x0391 },
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{"Beta", 4, 0x0392 },
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{"Gamma", 5, 0x0393 },
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{"Delta", 5, 0x0394 },
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{"Epsilon", 7, 0x0395 },
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{"Zeta", 4, 0x0396 },
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{"Eta", 3, 0x0397 },
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{"Theta", 5, 0x0398 },
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{"Iota", 4, 0x0399 },
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{"Kappa", 5, 0x039a },
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{"Lambda", 6, 0x039b },
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{"Mu", 2, 0x039c },
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{"Nu", 2, 0x039d },
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{"Xi", 2, 0x039e },
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{"Omicron", 7, 0x039f },
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{"Pi", 2, 0x03a0 },
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{"Rho", 3, 0x03a1 },
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{"Sigma", 5, 0x03a3 },
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{"Tau", 3, 0x03a4 },
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{"Upsilon", 7, 0x03a5 },
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{"Phi", 3, 0x03a6 },
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{"Chi", 3, 0x03a7 },
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{"Psi", 3, 0x03a8 },
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{"Omega", 5, 0x03a9 },
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{"alpha", 5, 0x03b1 },
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{"beta", 4, 0x03b2 },
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{"gamma", 5, 0x03b3 },
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{"delta", 5, 0x03b4 },
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{"epsilon", 7, 0x03b5 },
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{"zeta", 4, 0x03b6 },
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{"eta", 3, 0x03b7 },
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{"theta", 5, 0x03b8 },
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{"iota", 4, 0x03b9 },
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{"kappa", 5, 0x03ba },
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{"lambda", 6, 0x03bb },
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{"mu", 2, 0x03bc },
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{"nu", 2, 0x03bd },
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{"xi", 2, 0x03be },
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{"omicron", 7, 0x03bf },
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{"pi", 2, 0x03c0 },
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{"rho", 3, 0x03c1 },
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{"sigmaf", 6, 0x03c2 },
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{"sigma", 5, 0x03c3 },
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{"tau", 3, 0x03c4 },
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{"upsilon", 7, 0x03c5 },
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{"phi", 3, 0x03c6 },
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{"chi", 3, 0x03c7 },
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{"psi", 3, 0x03c8 },
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{"omega", 5, 0x03c9 },
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{"thetasym", 8, 0x03d1 },
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{"upsih", 5, 0x03d2 },
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{"piv", 3, 0x03d6 },
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{"ensp", 4, 0x2002 },
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{"emsp", 4, 0x2003 },
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{"thinsp", 6, 0x2009 },
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{"zwnj", 4, 0x200c },
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{"zwj", 3, 0x200d },
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{"lrm", 3, 0x200e },
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{"rlm", 3, 0x200f },
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{"ndash", 5, 0x2013 },
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{"mdash", 5, 0x2014 },
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{"lsquo", 5, 0x2018 },
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{"rsquo", 5, 0x2019 },
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{"sbquo", 5, 0x201a },
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{"ldquo", 5, 0x201c },
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{"rdquo", 5, 0x201d },
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{"bdquo", 5, 0x201e },
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{"dagger", 6, 0x2020 },
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{"Dagger", 6, 0x2021 },
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{"bull", 4, 0x2022 },
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{"hellip", 6, 0x2026 },
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{"permil", 6, 0x2030 },
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{"prime", 5, 0x2032 },
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{"Prime", 5, 0x2033 },
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{"lsaquo", 6, 0x2039 },
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{"rsaquo", 6, 0x203a },
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{"oline", 5, 0x203e },
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{"frasl", 5, 0x2044 },
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{"euro", 4, 0x20ac },
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{"image", 5, 0x2111 },
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{"weierp", 6, 0x2118 },
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{"real", 4, 0x211c },
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{"trade", 5, 0x2122 },
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{"alefsym", 7, 0x2135 },
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{"larr", 4, 0x2190 },
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{"uarr", 4, 0x2191 },
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{"rarr", 4, 0x2192 },
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{"darr", 4, 0x2193 },
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{"harr", 4, 0x2194 },
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{"crarr", 5, 0x21b5 },
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{"lArr", 4, 0x21d0 },
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{"uArr", 4, 0x21d1 },
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{"rArr", 4, 0x21d2 },
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{"dArr", 4, 0x21d3 },
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{"hArr", 4, 0x21d4 },
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{"forall", 6, 0x2200 },
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{"part", 4, 0x2202 },
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{"exist", 5, 0x2203 },
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{"empty", 5, 0x2205 },
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{"nabla", 5, 0x2207 },
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{"isin", 4, 0x2208 },
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{"notin", 5, 0x2209 },
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{"ni", 2, 0x220b },
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{"prod", 4, 0x220f },
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{"sum", 3, 0x2211 },
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{"minus", 5, 0x2212 },
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{"lowast", 6, 0x2217 },
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{"radic", 5, 0x221a },
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{"prop", 4, 0x221d },
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{"infin", 5, 0x221e },
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{"ang", 3, 0x2220 },
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{"and", 3, 0x2227 },
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{"or", 2, 0x2228 },
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{"cap", 3, 0x2229 },
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{"cup", 3, 0x222a },
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{"int", 3, 0x222b },
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{"there4", 6, 0x2234 },
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{"sim", 3, 0x223c },
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{"cong", 4, 0x2245 },
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{"asymp", 5, 0x2248 },
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{"ne", 2, 0x2260 },
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{"equiv", 5, 0x2261 },
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{"le", 2, 0x2264 },
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{"ge", 2, 0x2265 },
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{"sub", 3, 0x2282 },
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{"sup", 3, 0x2283 },
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{"nsub", 4, 0x2284 },
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{"sube", 4, 0x2286 },
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{"supe", 4, 0x2287 },
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{"oplus", 5, 0x2295 },
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{"otimes", 6, 0x2297 },
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{"perp", 4, 0x22a5 },
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{"sdot", 4, 0x22c5 },
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{"lceil", 5, 0x2308 },
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{"rceil", 5, 0x2309 },
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{"lfloor", 6, 0x230a },
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{"rfloor", 6, 0x230b },
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{"lang", 4, 0x2329 },
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{"rang", 4, 0x232a },
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{"loz", 3, 0x25ca },
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{"spades", 6, 0x2660 },
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{"clubs", 5, 0x2663 },
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{"hearts", 6, 0x2665 },
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{"diams", 5, 0x2666 },
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{NULL, 0, 0x0000 },
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};
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uint16
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pa_NumericCharacterReference(unsigned char *in, uint32 inlen, uint32 *inread,
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Bool force )
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{
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unsigned char b;
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uint32 i;
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uint32 ncr;
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for( i = 0; i < inlen; i++ ){
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b = in[i];
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if ((b < '0') || (b > '9')) break;
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}
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if( i == 0 ){
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*inread = 0;
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return '?';
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}
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if( (i >= inlen) && (!force) ){
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*inread = (inlen + 1);
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return '?';
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}
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inlen = i;
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ncr = 0;
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for (i = 0; i < inlen; i++){
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ncr = 10 * ncr + ( in[i] - '0' );
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}
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*inread = i;
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/* if it is an illegal NCR, then place the '?' instead of,
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if it is an illegal NE, then treat is as plain text */
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if( ncr & 0xffff0000 ) return '?';
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return (uint16)ncr;
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}
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/*************************************
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* Function: pa_map_escape
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*
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* Description: This function maps the passed in amperstand
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* escape sequence to a single 8 bit char (ISO 8859-1).
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*
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* Params: Takes a buffer, and a length for that buffer. (buf is NOT
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* a \0 terminated string). Also takes a pointer to an escape length
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* which is home much of the original buffer was used.
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* And an out buffer, and it's outbuflen.
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*
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* Returns: On error, which means it was not passed
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* a valid amperstand escape sequence, it stores the
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* char value '\0' in "out". It also returns the length of
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* the part of the passed buffer that was replaced.
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* Also, the number of bytes written to the out buffer (outlen).
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*************************************/
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static void
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pa_map_escape(char *buf, int32 len, int32 *esc_len, unsigned char *out,
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uint16 outbuflen, uint16 *outlen, Bool force, uint16 win_csid)
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{
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uint16 unicode;
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char val;
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int32 cnt;
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*esc_len = 0;
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val = 0;
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/* Navigator View->source does not support Unicode yet */
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if( win_csid == 0 ) win_csid = CS_FE_ASCII;
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/*
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* Skip the amperstand character at the start.
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*/
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buf++;
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len--;
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/*
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* Ampersand followed by number sign specifies the decimal
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* value of the character to be placed here.
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*/
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if (*buf == '#')
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{
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unicode = pa_NumericCharacterReference((unsigned char *) (buf + 1),
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(uint32) (len - 1), (uint32 *) esc_len, force );
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*esc_len += 1;
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#ifdef PA_REMAP_128_TO_160_ILLEGAL_NCR
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/* for some illegal, but popular usage */
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if( unicode >= 0x0080 && unicode <= 0x009f )
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unicode = PA_HackTable[ unicode - 0x0080 ];
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#endif
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}
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/*
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* Else we have to look this escape up in
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* the array of valid escapes.
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*/
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else
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{
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/*
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* Else we have to look this escape up in
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* the array of valid escapes.
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* Since we are searching on the PA_Name2Unicode[].NE string,
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* and not on the escape entered, this lets us partial
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* match if PA_Name2Unicode[].NE matches a prefix of the escape.
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* This means no one PA_Name2Unicode[].NE should be a prefix
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* of any other PA_Name2Unicode[].NE.
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*/
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cnt = 0;
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while( PA_Name2Unicode[cnt].NE != NULL )
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{
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if (*buf == *(PA_Name2Unicode[cnt].NE)
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&& (XP_STRNCMP(buf+1, PA_Name2Unicode[cnt].NE+1,
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PA_Name2Unicode[cnt].len-1) == 0))
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{
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/*
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* Only match a prefix if the next
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* character is NOT an alphanumeric
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*/
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/*
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* The following bug have been related to the following line
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* bug 241429, 57959, 33262, 57912 if you work on this.
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* After we add HTML 4.0 entity table we change the algorithm to prevent
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* &part= be treat as name entity.
|
|
* The algorithm is as following:
|
|
* If the unicode value is in the Latin 1 range
|
|
* We mantain the SGML compliant
|
|
* otherwise
|
|
* We only treat it as name entity if it start from & and end with a ;
|
|
*/
|
|
if(((PA_Name2Unicode[cnt].unicode <= 256) &&
|
|
(!XP_IS_ALPHA(*(buf + PA_Name2Unicode[cnt].len))) &&
|
|
(!XP_IS_DIGIT(*(buf + PA_Name2Unicode[cnt].len)))
|
|
) || (';' == (*(buf + PA_Name2Unicode[cnt].len)))
|
|
)
|
|
{
|
|
unicode = PA_Name2Unicode[cnt].unicode;
|
|
*esc_len = PA_Name2Unicode[cnt].len;
|
|
break;
|
|
}
|
|
}
|
|
cnt++;
|
|
}
|
|
|
|
/*
|
|
* for invalid escapes, return '\0'
|
|
*/
|
|
if( PA_Name2Unicode[cnt].NE == NULL )
|
|
unicode = NOT_USED; /* treated as plain text, just for NE */
|
|
}
|
|
|
|
|
|
if( unicode == NOT_USED )
|
|
{
|
|
out[0] = 0;
|
|
return;
|
|
}
|
|
|
|
|
|
/* if( outbuflen >= INTL_UnicodeToStrLen( win_csid, &unicode, 1 ) )
|
|
I needn't to do that, for the outbuflen is always larget than outlen ,
|
|
the result of generated "out" through NE/NCR is one byte or two bytes */
|
|
INTL_UnicodeToStr( win_csid, &unicode, 1, out, outbuflen );
|
|
|
|
/* Remap NBSP to international version */
|
|
/* We need to do this in any case */
|
|
if(unicode == 0x00a0)
|
|
{
|
|
strcpy((char*)out, INTL_NonBreakingSpace(win_csid));
|
|
}
|
|
|
|
*outlen = XP_STRLEN((char*) out );
|
|
|
|
/* Do fallback for Copyright, Tradmark and Register Sign */
|
|
/* We try those non-standard secret platform specific */
|
|
/* codepoint first. */
|
|
/* If there are no such, do an ASCII fallback */
|
|
if((*outlen == 1) && (*out == '?'))
|
|
{
|
|
char* r = NULL;
|
|
#if defined(XP_WIN) || defined(XP_OS2)
|
|
/*
|
|
For Winodows
|
|
All the CP 125x single byte pages encode
|
|
Copyright Signed as A9
|
|
Register Signed as AE
|
|
Tradmark Signed as 99
|
|
Two Byte Asian Font do not have those sign
|
|
|
|
*/
|
|
switch(unicode)
|
|
{
|
|
case 0x20AC:
|
|
r = "EUR";
|
|
break;
|
|
case 0x00A9:
|
|
switch(win_csid)
|
|
{
|
|
case CS_LATIN1: case CS_CP_1250:
|
|
case CS_CP_1251: case CS_CP_1253:
|
|
case CS_CP_1254: case CS_8859_7:
|
|
case CS_8859_9:
|
|
r = "\xa9";
|
|
break;
|
|
default:
|
|
r = "(C)";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x00AE:
|
|
switch(win_csid)
|
|
{
|
|
case CS_LATIN1: case CS_CP_1250:
|
|
case CS_CP_1251: case CS_CP_1253:
|
|
case CS_CP_1254: case CS_8859_7:
|
|
case CS_8859_9:
|
|
r = "\xae";
|
|
break;
|
|
default:
|
|
r = "(R)";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2122:
|
|
switch(win_csid)
|
|
{
|
|
case CS_LATIN1: case CS_CP_1250:
|
|
case CS_CP_1251: case CS_CP_1253:
|
|
case CS_CP_1254: case CS_8859_7:
|
|
case CS_8859_9:
|
|
r = "\x99";
|
|
break;
|
|
default:
|
|
r = "[tm]";
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef XP_MAC
|
|
/*
|
|
For Mac:
|
|
Japanese and Chinese font usually have secret glyph
|
|
Copyright Signed at 0xfd
|
|
Tradmark Signed at 0xff
|
|
|
|
*/
|
|
switch(unicode)
|
|
{
|
|
case 0x20AC:
|
|
r = "EUR";
|
|
break;
|
|
case 0x00AD:
|
|
r = "-";
|
|
break;
|
|
case 0x00A9:
|
|
switch(win_csid)
|
|
{
|
|
case CS_MAC_ROMAN:
|
|
case CS_MAC_GREEK:
|
|
r = "\xd9";
|
|
break;
|
|
case CS_MAC_CE:
|
|
case CS_MAC_CYRILLIC:
|
|
r = "\xa9";
|
|
break;
|
|
case CS_KSC_8BIT:
|
|
r = "\x93";
|
|
break;
|
|
case CS_SJIS:
|
|
case CS_GB_8BIT:
|
|
case CS_CNS_8BIT:
|
|
r = "\xfd";
|
|
break;
|
|
case CS_TIS620:
|
|
r = "\xfb";
|
|
break;
|
|
default:
|
|
r = "(C)";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x00AE:
|
|
switch(win_csid)
|
|
{
|
|
case CS_MAC_ROMAN:
|
|
case CS_MAC_GREEK:
|
|
case CS_MAC_CE:
|
|
case CS_MAC_CYRILLIC:
|
|
r = "\xa8";
|
|
break;
|
|
case CS_TIS620:
|
|
r = "\xfa";
|
|
break;
|
|
default:
|
|
r = "(R)";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2122:
|
|
switch(win_csid)
|
|
{
|
|
case CS_MAC_ROMAN:
|
|
case CS_MAC_GREEK:
|
|
case CS_MAC_CE:
|
|
case CS_MAC_CYRILLIC:
|
|
r = "\xaa";
|
|
break;
|
|
case CS_SJIS:
|
|
case CS_GB_8BIT:
|
|
case CS_CNS_8BIT:
|
|
r = "\xfe";
|
|
break;
|
|
case CS_TIS620:
|
|
r = "\xee";
|
|
break;
|
|
default:
|
|
r = "[tm]"; break;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
#ifdef XP_UNIX
|
|
switch(unicode)
|
|
{
|
|
case 0x20AC:
|
|
r = "EUR";
|
|
break;
|
|
case 0x00A9:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "(C)";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x00AE:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "(R)";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0152:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "OE";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0153:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "oe";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0160:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "S";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0161:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "s";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0178:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "Y";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x0192:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "f";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x02C6:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "^";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x02DC:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "~";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2013:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "-";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2014:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "-";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2018:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "`";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2019:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "'";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x201C:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "\"";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x201D:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "\"";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x201A:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = ",";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x201E:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = ",,";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2022:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "*";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2026:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "...";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2039:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "<";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x203A:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = ">";
|
|
break;
|
|
}
|
|
break;
|
|
case 0x2122:
|
|
switch(win_csid)
|
|
{
|
|
default:
|
|
r = "[tm]";
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
if(r != NULL )
|
|
{
|
|
strcpy((char*)out, r);
|
|
*outlen = XP_STRLEN((char*)out);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*************************************
|
|
* Function: pa_ExpandEscapes
|
|
*
|
|
* Description: Go through the passed in buffer of text, find and replace
|
|
* all amperstand escape sequences with their character
|
|
* equivilants. The buffer is modified in place,
|
|
* each escape replacement shortens the contents of the
|
|
* buffer.
|
|
*
|
|
* Params: Takes a buffer, and a length for that buffer. (buf is NOT
|
|
* a \0 terminated string). Also takes a pointer to a new length.
|
|
* This is the new (possibly shorter) length of the buffer
|
|
* after the escapes have been replaced. Finally takes a boolean
|
|
* that specifies whether partial escapes are allowed or not.
|
|
*
|
|
* Returns: The new length of the string in the nlen parameter. Also
|
|
* returns a NULL character pointer on success.
|
|
* If the buffer passed contained a possibly truncated
|
|
* amperstand escape, that is considered a partial success.
|
|
* Escapes are replace in all the buffer up to the truncated
|
|
* escape, nlen is the length of the new sub-buffer, and
|
|
* the return code is a pointer to the begining of the truncated
|
|
* escape in the original buffer.
|
|
*************************************/
|
|
|
|
char *
|
|
pa_ExpandEscapes(char *buf, int32 len, int32 *nlen, Bool force, int16 win_csid)
|
|
{
|
|
int32 cnt;
|
|
char *from_ptr;
|
|
char *to_ptr;
|
|
unsigned char out[10];
|
|
uint16 outlen;
|
|
unsigned char *p;
|
|
|
|
*nlen = 0;
|
|
|
|
/*
|
|
* A NULL buffer translates to a NULL buffer.
|
|
*/
|
|
if (buf == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* Look through the passed buf for the beginning of amperstand
|
|
* escapes. They begin with an amperstand followed by a letter
|
|
* or a number sign.
|
|
*/
|
|
from_ptr = buf;
|
|
to_ptr = buf;
|
|
cnt = 0;
|
|
while (cnt < len)
|
|
{
|
|
char *tptr2;
|
|
int32 cnt2;
|
|
int32 esc_len;
|
|
|
|
if (*from_ptr == '&')
|
|
{
|
|
/*
|
|
* If this is the last character in the string
|
|
* we don't know if it is an amperstand escape yet
|
|
* or not. We want to save it until the next buffer
|
|
* to make sure. However, if force is true this
|
|
* can't be a partial escape, so asuume an error
|
|
* and cope as best you can.
|
|
*/
|
|
if ((cnt + 1) == len)
|
|
{
|
|
if (force != FALSE)
|
|
{
|
|
*to_ptr++ = *from_ptr++;
|
|
cnt++;
|
|
continue;
|
|
}
|
|
/*
|
|
* This might be a partial amperstand escape.
|
|
* we will have to wait until we have
|
|
* more data. Break the while loop
|
|
* here.
|
|
*/
|
|
break;
|
|
}
|
|
/*
|
|
* else is the next character is a letter or
|
|
* a '#' , this should be some kind of amperstand
|
|
* escape.
|
|
*/
|
|
else if ((XP_IS_ALPHA(*(from_ptr + 1)))||
|
|
(*(from_ptr + 1) == '#'))
|
|
{
|
|
/*
|
|
* This is an amperstand escape! Drop
|
|
* through to the rest of the while loop.
|
|
*/
|
|
}
|
|
/*
|
|
* else this character does not begin an
|
|
* amperstand escape increment pointer, and go
|
|
* back to the start of the while loop.
|
|
*/
|
|
else
|
|
{
|
|
*to_ptr++ = *from_ptr++;
|
|
cnt++;
|
|
continue;
|
|
}
|
|
}
|
|
/*
|
|
* else this character does not begin an amperstand escape
|
|
* increment pointer, and go back to the start of the
|
|
* while loop.
|
|
*/
|
|
else
|
|
{
|
|
*to_ptr++ = *from_ptr++;
|
|
cnt++;
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* If we got here, it is because we think we have
|
|
* an amperstand escape. Amperstand escapes are of arbitrary
|
|
* length, terminated by either a semi-colon, or white space.
|
|
*
|
|
* Find the end of the amperstand escape.
|
|
*/
|
|
tptr2 = from_ptr;
|
|
cnt2 = cnt;
|
|
while (cnt2 < len)
|
|
{
|
|
if ((*tptr2 == ';')||(XP_IS_SPACE(*tptr2)))
|
|
{
|
|
break;
|
|
}
|
|
tptr2++;
|
|
cnt2++;
|
|
}
|
|
/*
|
|
* We may have failed to find the end because this is
|
|
* only a partial amperstand escape. However, if force is
|
|
* true this can't be a partial escape, so asuume and error
|
|
* and cope as best you can.
|
|
*/
|
|
if ((cnt2 == len)&&(force == FALSE))
|
|
{
|
|
/*
|
|
* This might be a partial amperstand escape.
|
|
* we will have to wait until we have
|
|
* more data. Break the while loop
|
|
* here.
|
|
*/
|
|
break;
|
|
}
|
|
|
|
esc_len = 0;
|
|
pa_map_escape(from_ptr, (intn)(tptr2 - from_ptr + 1),
|
|
&esc_len, out, sizeof(out), &outlen, force, win_csid);
|
|
if (esc_len > (tptr2 - from_ptr + 1))
|
|
{
|
|
/*
|
|
* This is a partial numeric char ref.
|
|
*/
|
|
break;
|
|
}
|
|
/*
|
|
* invalid escape sequences return the end of string
|
|
* character. Treat this not as an amperstand escape, but as
|
|
* normal text.
|
|
*/
|
|
if (out[0] == '\0')
|
|
{
|
|
*to_ptr++ = *from_ptr++;
|
|
cnt++;
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* valid escape sequences are replaced in place, with the
|
|
* rest of the buffer copied forward. For improper escape
|
|
* sequences that we think we can recover from, we may have
|
|
* just used part of the beginning of the escape sequence.
|
|
*/
|
|
p = out;
|
|
while (outlen--)
|
|
{
|
|
*to_ptr++ = *p++;
|
|
}
|
|
tptr2 = (char *)(from_ptr + esc_len + 1);
|
|
cnt2 = cnt + esc_len + 1;
|
|
|
|
/*
|
|
* for semi-colon terminated escapes, eat the semi-colon.
|
|
* The test on cnt2 prevents up walking off the end of the
|
|
* buffer on a broken escape we are coping with.
|
|
*/
|
|
if ((cnt2 < len)&&(*tptr2 == ';'))
|
|
{
|
|
tptr2++;
|
|
cnt2++;
|
|
}
|
|
from_ptr = tptr2;
|
|
cnt = cnt2;
|
|
}
|
|
|
|
/*
|
|
* If we broke the while loop early,
|
|
* it is because we may be holding a
|
|
* partial amperstand escape.
|
|
* return a pointer to that partial escape.
|
|
*/
|
|
if (cnt < len)
|
|
{
|
|
*nlen = (int32)(to_ptr - buf);
|
|
return(from_ptr);
|
|
}
|
|
else
|
|
{
|
|
*nlen = (int32)(to_ptr - buf);
|
|
return(NULL);
|
|
}
|
|
}
|
|
|
|
#ifdef PROFILE
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#pragma profile off
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#endif
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