646 lines
25 KiB
C++
646 lines
25 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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**********************************************************************
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* Copyright (C) 2010-2015, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* file name: ucnv_ct.c
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* encoding: UTF-8
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2010Dec09
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* created by: Michael Ow
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION && !UCONFIG_ONLY_HTML_CONVERSION
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#include "unicode/ucnv.h"
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#include "unicode/uset.h"
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#include "unicode/ucnv_err.h"
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#include "unicode/ucnv_cb.h"
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#include "unicode/utf16.h"
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#include "ucnv_imp.h"
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#include "ucnv_bld.h"
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#include "ucnv_cnv.h"
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#include "ucnvmbcs.h"
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#include "cstring.h"
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#include "cmemory.h"
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typedef enum {
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INVALID = -2,
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DO_SEARCH = -1,
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COMPOUND_TEXT_SINGLE_0 = 0,
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COMPOUND_TEXT_SINGLE_1 = 1,
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COMPOUND_TEXT_SINGLE_2 = 2,
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COMPOUND_TEXT_SINGLE_3 = 3,
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COMPOUND_TEXT_DOUBLE_1 = 4,
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COMPOUND_TEXT_DOUBLE_2 = 5,
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COMPOUND_TEXT_DOUBLE_3 = 6,
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COMPOUND_TEXT_DOUBLE_4 = 7,
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COMPOUND_TEXT_DOUBLE_5 = 8,
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COMPOUND_TEXT_DOUBLE_6 = 9,
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COMPOUND_TEXT_DOUBLE_7 = 10,
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COMPOUND_TEXT_TRIPLE_DOUBLE = 11,
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IBM_915 = 12,
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IBM_916 = 13,
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IBM_914 = 14,
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IBM_874 = 15,
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IBM_912 = 16,
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IBM_913 = 17,
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ISO_8859_14 = 18,
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IBM_923 = 19,
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NUM_OF_CONVERTERS = 20
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} COMPOUND_TEXT_CONVERTERS;
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#define SEARCH_LENGTH 12
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static const uint8_t escSeqCompoundText[NUM_OF_CONVERTERS][5] = {
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/* Single */
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{ 0x1B, 0x2D, 0x41, 0, 0 },
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{ 0x1B, 0x2D, 0x4D, 0, 0 },
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{ 0x1B, 0x2D, 0x46, 0, 0 },
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{ 0x1B, 0x2D, 0x47, 0, 0 },
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/* Double */
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{ 0x1B, 0x24, 0x29, 0x41, 0 },
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{ 0x1B, 0x24, 0x29, 0x42, 0 },
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{ 0x1B, 0x24, 0x29, 0x43, 0 },
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{ 0x1B, 0x24, 0x29, 0x44, 0 },
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{ 0x1B, 0x24, 0x29, 0x47, 0 },
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{ 0x1B, 0x24, 0x29, 0x48, 0 },
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{ 0x1B, 0x24, 0x29, 0x49, 0 },
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/* Triple/Double */
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{ 0x1B, 0x25, 0x47, 0, 0 },
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/*IBM-915*/
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{ 0x1B, 0x2D, 0x4C, 0, 0 },
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/*IBM-916*/
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{ 0x1B, 0x2D, 0x48, 0, 0 },
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/*IBM-914*/
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{ 0x1B, 0x2D, 0x44, 0, 0 },
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/*IBM-874*/
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{ 0x1B, 0x2D, 0x54, 0, 0 },
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/*IBM-912*/
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{ 0x1B, 0x2D, 0x42, 0, 0 },
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/* IBM-913 */
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{ 0x1B, 0x2D, 0x43, 0, 0 },
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/* ISO-8859_14 */
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{ 0x1B, 0x2D, 0x5F, 0, 0 },
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/* IBM-923 */
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{ 0x1B, 0x2D, 0x62, 0, 0 },
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};
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#define ESC_START 0x1B
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#define isASCIIRange(codepoint) \
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((codepoint == 0x0000) || (codepoint == 0x0009) || (codepoint == 0x000A) || \
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(codepoint >= 0x0020 && codepoint <= 0x007f) || (codepoint >= 0x00A0 && codepoint <= 0x00FF))
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#define isIBM915(codepoint) \
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((codepoint >= 0x0401 && codepoint <= 0x045F) || (codepoint == 0x2116))
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#define isIBM916(codepoint) \
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((codepoint >= 0x05D0 && codepoint <= 0x05EA) || (codepoint == 0x2017) || (codepoint == 0x203E))
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#define isCompoundS3(codepoint) \
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((codepoint == 0x060C) || (codepoint == 0x061B) || (codepoint == 0x061F) || (codepoint >= 0x0621 && codepoint <= 0x063A) || \
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(codepoint >= 0x0640 && codepoint <= 0x0652) || (codepoint >= 0x0660 && codepoint <= 0x066D) || (codepoint == 0x200B) || \
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(codepoint >= 0x0FE70 && codepoint <= 0x0FE72) || (codepoint == 0x0FE74) || (codepoint >= 0x0FE76 && codepoint <= 0x0FEBE))
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#define isCompoundS2(codepoint) \
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((codepoint == 0x02BC) || (codepoint == 0x02BD) || (codepoint >= 0x0384 && codepoint <= 0x03CE) || (codepoint == 0x2015))
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#define isIBM914(codepoint) \
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((codepoint == 0x0100) || (codepoint == 0x0101) || (codepoint == 0x0112) || (codepoint == 0x0113) || (codepoint == 0x0116) || (codepoint == 0x0117) || \
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(codepoint == 0x0122) || (codepoint == 0x0123) || (codepoint >= 0x0128 && codepoint <= 0x012B) || (codepoint == 0x012E) || (codepoint == 0x012F) || \
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(codepoint >= 0x0136 && codepoint <= 0x0138) || (codepoint == 0x013B) || (codepoint == 0x013C) || (codepoint == 0x0145) || (codepoint == 0x0146) || \
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(codepoint >= 0x014A && codepoint <= 0x014D) || (codepoint == 0x0156) || (codepoint == 0x0157) || (codepoint >= 0x0166 && codepoint <= 0x016B) || \
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(codepoint == 0x0172) || (codepoint == 0x0173))
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#define isIBM874(codepoint) \
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((codepoint >= 0x0E01 && codepoint <= 0x0E3A) || (codepoint >= 0x0E3F && codepoint <= 0x0E5B))
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#define isIBM912(codepoint) \
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((codepoint >= 0x0102 && codepoint <= 0x0107) || (codepoint >= 0x010C && codepoint <= 0x0111) || (codepoint >= 0x0118 && codepoint <= 0x011B) || \
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(codepoint == 0x0139) || (codepoint == 0x013A) || (codepoint == 0x013D) || (codepoint == 0x013E) || (codepoint >= 0x0141 && codepoint <= 0x0144) || \
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(codepoint == 0x0147) || (codepoint == 0x0147) || (codepoint == 0x0150) || (codepoint == 0x0151) || (codepoint == 0x0154) || (codepoint == 0x0155) || \
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(codepoint >= 0x0158 && codepoint <= 0x015B) || (codepoint == 0x015E) || (codepoint == 0x015F) || (codepoint >= 0x0160 && codepoint <= 0x0165) || \
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(codepoint == 0x016E) || (codepoint == 0x016F) || (codepoint == 0x0170) || (codepoint == 0x0171) || (codepoint >= 0x0179 && codepoint <= 0x017E) || \
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(codepoint == 0x02C7) || (codepoint == 0x02D8) || (codepoint == 0x02D9) || (codepoint == 0x02DB) || (codepoint == 0x02DD))
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#define isIBM913(codepoint) \
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((codepoint >= 0x0108 && codepoint <= 0x010B) || (codepoint == 0x011C) || \
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(codepoint == 0x011D) || (codepoint == 0x0120) || (codepoint == 0x0121) || \
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(codepoint >= 0x0124 && codepoint <= 0x0127) || (codepoint == 0x0134) || (codepoint == 0x0135) || \
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(codepoint == 0x015C) || (codepoint == 0x015D) || (codepoint == 0x016C) || (codepoint == 0x016D))
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#define isCompoundS1(codepoint) \
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((codepoint == 0x011E) || (codepoint == 0x011F) || (codepoint == 0x0130) || \
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(codepoint == 0x0131) || (codepoint >= 0x0218 && codepoint <= 0x021B))
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#define isISO8859_14(codepoint) \
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((codepoint >= 0x0174 && codepoint <= 0x0177) || (codepoint == 0x1E0A) || \
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(codepoint == 0x1E0B) || (codepoint == 0x1E1E) || (codepoint == 0x1E1F) || \
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(codepoint == 0x1E40) || (codepoint == 0x1E41) || (codepoint == 0x1E56) || \
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(codepoint == 0x1E57) || (codepoint == 0x1E60) || (codepoint == 0x1E61) || \
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(codepoint == 0x1E6A) || (codepoint == 0x1E6B) || (codepoint == 0x1EF2) || \
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(codepoint == 0x1EF3) || (codepoint >= 0x1E80 && codepoint <= 0x1E85))
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#define isIBM923(codepoint) \
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((codepoint == 0x0152) || (codepoint == 0x0153) || (codepoint == 0x0178) || (codepoint == 0x20AC))
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typedef struct{
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UConverterSharedData *myConverterArray[NUM_OF_CONVERTERS];
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COMPOUND_TEXT_CONVERTERS state;
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} UConverterDataCompoundText;
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/*********** Compound Text Converter Protos ***********/
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U_CDECL_BEGIN
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static void U_CALLCONV
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_CompoundTextOpen(UConverter *cnv, UConverterLoadArgs *pArgs, UErrorCode *errorCode);
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static void U_CALLCONV
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_CompoundTextClose(UConverter *converter);
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static void U_CALLCONV
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_CompoundTextReset(UConverter *converter, UConverterResetChoice choice);
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static const char* U_CALLCONV
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_CompoundTextgetName(const UConverter* cnv);
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static int32_t findNextEsc(const char *source, const char *sourceLimit) {
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int32_t length = sourceLimit - source;
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int32_t i;
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for (i = 1; i < length; i++) {
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if (*(source + i) == 0x1B) {
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return i;
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}
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}
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return length;
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}
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static COMPOUND_TEXT_CONVERTERS getState(int codepoint) {
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COMPOUND_TEXT_CONVERTERS state = DO_SEARCH;
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if (isASCIIRange(codepoint)) {
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state = COMPOUND_TEXT_SINGLE_0;
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} else if (isIBM912(codepoint)) {
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state = IBM_912;
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}else if (isIBM913(codepoint)) {
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state = IBM_913;
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} else if (isISO8859_14(codepoint)) {
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state = ISO_8859_14;
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} else if (isIBM923(codepoint)) {
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state = IBM_923;
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} else if (isIBM874(codepoint)) {
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state = IBM_874;
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} else if (isIBM914(codepoint)) {
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state = IBM_914;
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} else if (isCompoundS2(codepoint)) {
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state = COMPOUND_TEXT_SINGLE_2;
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} else if (isCompoundS3(codepoint)) {
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state = COMPOUND_TEXT_SINGLE_3;
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} else if (isIBM916(codepoint)) {
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state = IBM_916;
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} else if (isIBM915(codepoint)) {
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state = IBM_915;
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} else if (isCompoundS1(codepoint)) {
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state = COMPOUND_TEXT_SINGLE_1;
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}
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return state;
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}
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static COMPOUND_TEXT_CONVERTERS findStateFromEscSeq(const char* source, const char* sourceLimit, const uint8_t* toUBytesBuffer, int32_t toUBytesBufferLength, UErrorCode *err) {
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COMPOUND_TEXT_CONVERTERS state = INVALID;
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UBool matchFound = FALSE;
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int32_t i, n, offset = toUBytesBufferLength;
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for (i = 0; i < NUM_OF_CONVERTERS; i++) {
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matchFound = TRUE;
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for (n = 0; escSeqCompoundText[i][n] != 0; n++) {
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if (n < toUBytesBufferLength) {
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if (toUBytesBuffer[n] != escSeqCompoundText[i][n]) {
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matchFound = FALSE;
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break;
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}
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} else if ((source + (n - offset)) >= sourceLimit) {
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*err = U_TRUNCATED_CHAR_FOUND;
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matchFound = FALSE;
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break;
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} else if (*(source + (n - offset)) != escSeqCompoundText[i][n]) {
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matchFound = FALSE;
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break;
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}
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}
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if (matchFound) {
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break;
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}
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}
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if (matchFound) {
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state = (COMPOUND_TEXT_CONVERTERS)i;
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}
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return state;
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}
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static void U_CALLCONV
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_CompoundTextOpen(UConverter *cnv, UConverterLoadArgs *pArgs, UErrorCode *errorCode){
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cnv->extraInfo = uprv_malloc (sizeof (UConverterDataCompoundText));
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if (cnv->extraInfo != NULL) {
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UConverterDataCompoundText *myConverterData = (UConverterDataCompoundText *) cnv->extraInfo;
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UConverterNamePieces stackPieces;
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UConverterLoadArgs stackArgs=UCNV_LOAD_ARGS_INITIALIZER;
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myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_0] = NULL;
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myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_1] = ucnv_loadSharedData("icu-internal-compound-s1", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_2] = ucnv_loadSharedData("icu-internal-compound-s2", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_3] = ucnv_loadSharedData("icu-internal-compound-s3", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_1] = ucnv_loadSharedData("icu-internal-compound-d1", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_2] = ucnv_loadSharedData("icu-internal-compound-d2", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_3] = ucnv_loadSharedData("icu-internal-compound-d3", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_4] = ucnv_loadSharedData("icu-internal-compound-d4", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_5] = ucnv_loadSharedData("icu-internal-compound-d5", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_6] = ucnv_loadSharedData("icu-internal-compound-d6", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_7] = ucnv_loadSharedData("icu-internal-compound-d7", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[COMPOUND_TEXT_TRIPLE_DOUBLE] = ucnv_loadSharedData("icu-internal-compound-t", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[IBM_915] = ucnv_loadSharedData("ibm-915_P100-1995", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[IBM_916] = ucnv_loadSharedData("ibm-916_P100-1995", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[IBM_914] = ucnv_loadSharedData("ibm-914_P100-1995", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[IBM_874] = ucnv_loadSharedData("ibm-874_P100-1995", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[IBM_912] = ucnv_loadSharedData("ibm-912_P100-1995", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[IBM_913] = ucnv_loadSharedData("ibm-913_P100-2000", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[ISO_8859_14] = ucnv_loadSharedData("iso-8859_14-1998", &stackPieces, &stackArgs, errorCode);
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myConverterData->myConverterArray[IBM_923] = ucnv_loadSharedData("ibm-923_P100-1998", &stackPieces, &stackArgs, errorCode);
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if (U_FAILURE(*errorCode) || pArgs->onlyTestIsLoadable) {
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_CompoundTextClose(cnv);
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return;
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}
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myConverterData->state = (COMPOUND_TEXT_CONVERTERS)0;
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} else {
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*errorCode = U_MEMORY_ALLOCATION_ERROR;
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}
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}
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static void U_CALLCONV
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_CompoundTextClose(UConverter *converter) {
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UConverterDataCompoundText* myConverterData = (UConverterDataCompoundText*)(converter->extraInfo);
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int32_t i;
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if (converter->extraInfo != NULL) {
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/*close the array of converter pointers and free the memory*/
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for (i = 0; i < NUM_OF_CONVERTERS; i++) {
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if (myConverterData->myConverterArray[i] != NULL) {
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ucnv_unloadSharedDataIfReady(myConverterData->myConverterArray[i]);
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}
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}
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uprv_free(converter->extraInfo);
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}
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}
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static void U_CALLCONV
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_CompoundTextReset(UConverter *converter, UConverterResetChoice choice) {
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(void)converter;
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(void)choice;
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}
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static const char* U_CALLCONV
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_CompoundTextgetName(const UConverter* cnv){
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(void)cnv;
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return "x11-compound-text";
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}
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static void U_CALLCONV
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UConverter_fromUnicode_CompoundText_OFFSETS(UConverterFromUnicodeArgs* args, UErrorCode* err){
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UConverter *cnv = args->converter;
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uint8_t *target = (uint8_t *) args->target;
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const uint8_t *targetLimit = (const uint8_t *) args->targetLimit;
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const UChar* source = args->source;
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const UChar* sourceLimit = args->sourceLimit;
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/* int32_t* offsets = args->offsets; */
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UChar32 sourceChar;
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UBool useFallback = cnv->useFallback;
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uint8_t tmpTargetBuffer[7];
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int32_t tmpTargetBufferLength = 0;
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COMPOUND_TEXT_CONVERTERS currentState, tmpState;
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uint32_t pValue;
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int32_t pValueLength = 0;
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int32_t i, n, j;
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UConverterDataCompoundText *myConverterData = (UConverterDataCompoundText *) cnv->extraInfo;
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currentState = myConverterData->state;
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/* check if the last codepoint of previous buffer was a lead surrogate*/
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if((sourceChar = cnv->fromUChar32)!=0 && target< targetLimit) {
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goto getTrail;
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}
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while( source < sourceLimit){
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if(target < targetLimit){
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sourceChar = *(source++);
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/*check if the char is a First surrogate*/
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if(U16_IS_SURROGATE(sourceChar)) {
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if(U16_IS_SURROGATE_LEAD(sourceChar)) {
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getTrail:
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/*look ahead to find the trail surrogate*/
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if(source < sourceLimit) {
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/* test the following code unit */
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UChar trail=(UChar) *source;
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if(U16_IS_TRAIL(trail)) {
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source++;
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sourceChar=U16_GET_SUPPLEMENTARY(sourceChar, trail);
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cnv->fromUChar32=0x00;
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/* convert this supplementary code point */
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/* exit this condition tree */
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} else {
|
|
/* this is an unmatched lead code unit (1st surrogate) */
|
|
/* callback(illegal) */
|
|
*err=U_ILLEGAL_CHAR_FOUND;
|
|
cnv->fromUChar32=sourceChar;
|
|
break;
|
|
}
|
|
} else {
|
|
/* no more input */
|
|
cnv->fromUChar32=sourceChar;
|
|
break;
|
|
}
|
|
} else {
|
|
/* this is an unmatched trail code unit (2nd surrogate) */
|
|
/* callback(illegal) */
|
|
*err=U_ILLEGAL_CHAR_FOUND;
|
|
cnv->fromUChar32=sourceChar;
|
|
break;
|
|
}
|
|
}
|
|
|
|
tmpTargetBufferLength = 0;
|
|
tmpState = getState(sourceChar);
|
|
|
|
if (tmpState != DO_SEARCH && currentState != tmpState) {
|
|
/* Get escape sequence if necessary */
|
|
currentState = tmpState;
|
|
for (i = 0; escSeqCompoundText[currentState][i] != 0; i++) {
|
|
tmpTargetBuffer[tmpTargetBufferLength++] = escSeqCompoundText[currentState][i];
|
|
}
|
|
}
|
|
|
|
if (tmpState == DO_SEARCH) {
|
|
/* Test all available converters */
|
|
for (i = 1; i < SEARCH_LENGTH; i++) {
|
|
pValueLength = ucnv_MBCSFromUChar32(myConverterData->myConverterArray[i], sourceChar, &pValue, useFallback);
|
|
if (pValueLength > 0) {
|
|
tmpState = (COMPOUND_TEXT_CONVERTERS)i;
|
|
if (currentState != tmpState) {
|
|
currentState = tmpState;
|
|
for (j = 0; escSeqCompoundText[currentState][j] != 0; j++) {
|
|
tmpTargetBuffer[tmpTargetBufferLength++] = escSeqCompoundText[currentState][j];
|
|
}
|
|
}
|
|
for (n = (pValueLength - 1); n >= 0; n--) {
|
|
tmpTargetBuffer[tmpTargetBufferLength++] = (uint8_t)(pValue >> (n * 8));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else if (tmpState == COMPOUND_TEXT_SINGLE_0) {
|
|
tmpTargetBuffer[tmpTargetBufferLength++] = (uint8_t)sourceChar;
|
|
} else {
|
|
pValueLength = ucnv_MBCSFromUChar32(myConverterData->myConverterArray[currentState], sourceChar, &pValue, useFallback);
|
|
if (pValueLength > 0) {
|
|
for (n = (pValueLength - 1); n >= 0; n--) {
|
|
tmpTargetBuffer[tmpTargetBufferLength++] = (uint8_t)(pValue >> (n * 8));
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < tmpTargetBufferLength; i++) {
|
|
if (target < targetLimit) {
|
|
*target++ = tmpTargetBuffer[i];
|
|
} else {
|
|
*err = U_BUFFER_OVERFLOW_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (*err == U_BUFFER_OVERFLOW_ERROR) {
|
|
for (; i < tmpTargetBufferLength; i++) {
|
|
args->converter->charErrorBuffer[args->converter->charErrorBufferLength++] = tmpTargetBuffer[i];
|
|
}
|
|
}
|
|
} else {
|
|
*err = U_BUFFER_OVERFLOW_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*save the state and return */
|
|
myConverterData->state = currentState;
|
|
args->source = source;
|
|
args->target = (char*)target;
|
|
}
|
|
|
|
|
|
static void U_CALLCONV
|
|
UConverter_toUnicode_CompoundText_OFFSETS(UConverterToUnicodeArgs *args,
|
|
UErrorCode* err){
|
|
const char *mySource = (char *) args->source;
|
|
UChar *myTarget = args->target;
|
|
const char *mySourceLimit = args->sourceLimit;
|
|
const char *tmpSourceLimit = mySourceLimit;
|
|
uint32_t mySourceChar = 0x0000;
|
|
COMPOUND_TEXT_CONVERTERS currentState, tmpState;
|
|
int32_t sourceOffset = 0;
|
|
UConverterDataCompoundText *myConverterData = (UConverterDataCompoundText *) args->converter->extraInfo;
|
|
UConverterSharedData* savedSharedData = NULL;
|
|
|
|
UConverterToUnicodeArgs subArgs;
|
|
int32_t minArgsSize;
|
|
|
|
/* set up the subconverter arguments */
|
|
if(args->size<sizeof(UConverterToUnicodeArgs)) {
|
|
minArgsSize = args->size;
|
|
} else {
|
|
minArgsSize = (int32_t)sizeof(UConverterToUnicodeArgs);
|
|
}
|
|
|
|
uprv_memcpy(&subArgs, args, minArgsSize);
|
|
subArgs.size = (uint16_t)minArgsSize;
|
|
|
|
currentState = tmpState = myConverterData->state;
|
|
|
|
while(mySource < mySourceLimit){
|
|
if(myTarget < args->targetLimit){
|
|
if (args->converter->toULength > 0) {
|
|
mySourceChar = args->converter->toUBytes[0];
|
|
} else {
|
|
mySourceChar = (uint8_t)*mySource;
|
|
}
|
|
|
|
if (mySourceChar == ESC_START) {
|
|
tmpState = findStateFromEscSeq(mySource, mySourceLimit, args->converter->toUBytes, args->converter->toULength, err);
|
|
|
|
if (*err == U_TRUNCATED_CHAR_FOUND) {
|
|
for (; mySource < mySourceLimit;) {
|
|
args->converter->toUBytes[args->converter->toULength++] = *mySource++;
|
|
}
|
|
*err = U_ZERO_ERROR;
|
|
break;
|
|
} else if (tmpState == INVALID) {
|
|
if (args->converter->toULength == 0) {
|
|
mySource++; /* skip over the 0x1b byte */
|
|
}
|
|
*err = U_ILLEGAL_CHAR_FOUND;
|
|
break;
|
|
}
|
|
|
|
if (tmpState != currentState) {
|
|
currentState = tmpState;
|
|
}
|
|
|
|
sourceOffset = uprv_strlen((char*)escSeqCompoundText[currentState]) - args->converter->toULength;
|
|
|
|
mySource += sourceOffset;
|
|
|
|
args->converter->toULength = 0;
|
|
}
|
|
|
|
if (currentState == COMPOUND_TEXT_SINGLE_0) {
|
|
while (mySource < mySourceLimit) {
|
|
if (*mySource == ESC_START) {
|
|
break;
|
|
}
|
|
if (myTarget < args->targetLimit) {
|
|
*myTarget++ = 0x00ff&(*mySource++);
|
|
} else {
|
|
*err = U_BUFFER_OVERFLOW_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
} else if (mySource < mySourceLimit){
|
|
sourceOffset = findNextEsc(mySource, mySourceLimit);
|
|
|
|
tmpSourceLimit = mySource + sourceOffset;
|
|
|
|
subArgs.source = mySource;
|
|
subArgs.sourceLimit = tmpSourceLimit;
|
|
subArgs.target = myTarget;
|
|
savedSharedData = subArgs.converter->sharedData;
|
|
subArgs.converter->sharedData = myConverterData->myConverterArray[currentState];
|
|
|
|
ucnv_MBCSToUnicodeWithOffsets(&subArgs, err);
|
|
|
|
subArgs.converter->sharedData = savedSharedData;
|
|
|
|
mySource = subArgs.source;
|
|
myTarget = subArgs.target;
|
|
|
|
if (U_FAILURE(*err)) {
|
|
if(*err == U_BUFFER_OVERFLOW_ERROR) {
|
|
if(subArgs.converter->UCharErrorBufferLength > 0) {
|
|
uprv_memcpy(args->converter->UCharErrorBuffer, subArgs.converter->UCharErrorBuffer,
|
|
subArgs.converter->UCharErrorBufferLength);
|
|
}
|
|
args->converter->UCharErrorBufferLength=subArgs.converter->UCharErrorBufferLength;
|
|
subArgs.converter->UCharErrorBufferLength = 0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
*err = U_BUFFER_OVERFLOW_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
myConverterData->state = currentState;
|
|
args->target = myTarget;
|
|
args->source = mySource;
|
|
}
|
|
|
|
static void U_CALLCONV
|
|
_CompoundText_GetUnicodeSet(const UConverter *cnv,
|
|
const USetAdder *sa,
|
|
UConverterUnicodeSet which,
|
|
UErrorCode *pErrorCode) {
|
|
UConverterDataCompoundText *myConverterData = (UConverterDataCompoundText *)cnv->extraInfo;
|
|
int32_t i;
|
|
|
|
for (i = 1; i < NUM_OF_CONVERTERS; i++) {
|
|
ucnv_MBCSGetUnicodeSetForUnicode(myConverterData->myConverterArray[i], sa, which, pErrorCode);
|
|
}
|
|
sa->add(sa->set, 0x0000);
|
|
sa->add(sa->set, 0x0009);
|
|
sa->add(sa->set, 0x000A);
|
|
sa->addRange(sa->set, 0x0020, 0x007F);
|
|
sa->addRange(sa->set, 0x00A0, 0x00FF);
|
|
}
|
|
U_CDECL_END
|
|
|
|
static const UConverterImpl _CompoundTextImpl = {
|
|
|
|
UCNV_COMPOUND_TEXT,
|
|
|
|
NULL,
|
|
NULL,
|
|
|
|
_CompoundTextOpen,
|
|
_CompoundTextClose,
|
|
_CompoundTextReset,
|
|
|
|
UConverter_toUnicode_CompoundText_OFFSETS,
|
|
UConverter_toUnicode_CompoundText_OFFSETS,
|
|
UConverter_fromUnicode_CompoundText_OFFSETS,
|
|
UConverter_fromUnicode_CompoundText_OFFSETS,
|
|
NULL,
|
|
|
|
NULL,
|
|
_CompoundTextgetName,
|
|
NULL,
|
|
NULL,
|
|
_CompoundText_GetUnicodeSet,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
static const UConverterStaticData _CompoundTextStaticData = {
|
|
sizeof(UConverterStaticData),
|
|
"COMPOUND_TEXT",
|
|
0,
|
|
UCNV_IBM,
|
|
UCNV_COMPOUND_TEXT,
|
|
1,
|
|
6,
|
|
{ 0xef, 0, 0, 0 },
|
|
1,
|
|
FALSE,
|
|
FALSE,
|
|
0,
|
|
0,
|
|
{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } /* reserved */
|
|
};
|
|
const UConverterSharedData _CompoundTextData =
|
|
UCNV_IMMUTABLE_SHARED_DATA_INITIALIZER(&_CompoundTextStaticData, &_CompoundTextImpl);
|
|
|
|
#endif /* #if !UCONFIG_NO_LEGACY_CONVERSION */
|