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virtualx-engine/thirdparty/icu4c/common/ucnv_ct.cpp

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[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 11:10:23 +02:00
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 2010-2015, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* file name: ucnv_ct.c
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2010Dec09
* created by: Michael Ow
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION && !UCONFIG_ONLY_HTML_CONVERSION
#include "unicode/ucnv.h"
#include "unicode/uset.h"
#include "unicode/ucnv_err.h"
#include "unicode/ucnv_cb.h"
#include "unicode/utf16.h"
#include "ucnv_imp.h"
#include "ucnv_bld.h"
#include "ucnv_cnv.h"
#include "ucnvmbcs.h"
#include "cstring.h"
#include "cmemory.h"
typedef enum {
INVALID = -2,
DO_SEARCH = -1,
COMPOUND_TEXT_SINGLE_0 = 0,
COMPOUND_TEXT_SINGLE_1 = 1,
COMPOUND_TEXT_SINGLE_2 = 2,
COMPOUND_TEXT_SINGLE_3 = 3,
COMPOUND_TEXT_DOUBLE_1 = 4,
COMPOUND_TEXT_DOUBLE_2 = 5,
COMPOUND_TEXT_DOUBLE_3 = 6,
COMPOUND_TEXT_DOUBLE_4 = 7,
COMPOUND_TEXT_DOUBLE_5 = 8,
COMPOUND_TEXT_DOUBLE_6 = 9,
COMPOUND_TEXT_DOUBLE_7 = 10,
COMPOUND_TEXT_TRIPLE_DOUBLE = 11,
IBM_915 = 12,
IBM_916 = 13,
IBM_914 = 14,
IBM_874 = 15,
IBM_912 = 16,
IBM_913 = 17,
ISO_8859_14 = 18,
IBM_923 = 19,
NUM_OF_CONVERTERS = 20
} COMPOUND_TEXT_CONVERTERS;
#define SEARCH_LENGTH 12
static const uint8_t escSeqCompoundText[NUM_OF_CONVERTERS][5] = {
/* Single */
{ 0x1B, 0x2D, 0x41, 0, 0 },
{ 0x1B, 0x2D, 0x4D, 0, 0 },
{ 0x1B, 0x2D, 0x46, 0, 0 },
{ 0x1B, 0x2D, 0x47, 0, 0 },
/* Double */
{ 0x1B, 0x24, 0x29, 0x41, 0 },
{ 0x1B, 0x24, 0x29, 0x42, 0 },
{ 0x1B, 0x24, 0x29, 0x43, 0 },
{ 0x1B, 0x24, 0x29, 0x44, 0 },
{ 0x1B, 0x24, 0x29, 0x47, 0 },
{ 0x1B, 0x24, 0x29, 0x48, 0 },
{ 0x1B, 0x24, 0x29, 0x49, 0 },
/* Triple/Double */
{ 0x1B, 0x25, 0x47, 0, 0 },
/*IBM-915*/
{ 0x1B, 0x2D, 0x4C, 0, 0 },
/*IBM-916*/
{ 0x1B, 0x2D, 0x48, 0, 0 },
/*IBM-914*/
{ 0x1B, 0x2D, 0x44, 0, 0 },
/*IBM-874*/
{ 0x1B, 0x2D, 0x54, 0, 0 },
/*IBM-912*/
{ 0x1B, 0x2D, 0x42, 0, 0 },
/* IBM-913 */
{ 0x1B, 0x2D, 0x43, 0, 0 },
/* ISO-8859_14 */
{ 0x1B, 0x2D, 0x5F, 0, 0 },
/* IBM-923 */
{ 0x1B, 0x2D, 0x62, 0, 0 },
};
#define ESC_START 0x1B
#define isASCIIRange(codepoint) \
((codepoint == 0x0000) || (codepoint == 0x0009) || (codepoint == 0x000A) || \
(codepoint >= 0x0020 && codepoint <= 0x007f) || (codepoint >= 0x00A0 && codepoint <= 0x00FF))
#define isIBM915(codepoint) \
((codepoint >= 0x0401 && codepoint <= 0x045F) || (codepoint == 0x2116))
#define isIBM916(codepoint) \
((codepoint >= 0x05D0 && codepoint <= 0x05EA) || (codepoint == 0x2017) || (codepoint == 0x203E))
#define isCompoundS3(codepoint) \
((codepoint == 0x060C) || (codepoint == 0x061B) || (codepoint == 0x061F) || (codepoint >= 0x0621 && codepoint <= 0x063A) || \
(codepoint >= 0x0640 && codepoint <= 0x0652) || (codepoint >= 0x0660 && codepoint <= 0x066D) || (codepoint == 0x200B) || \
(codepoint >= 0x0FE70 && codepoint <= 0x0FE72) || (codepoint == 0x0FE74) || (codepoint >= 0x0FE76 && codepoint <= 0x0FEBE))
#define isCompoundS2(codepoint) \
((codepoint == 0x02BC) || (codepoint == 0x02BD) || (codepoint >= 0x0384 && codepoint <= 0x03CE) || (codepoint == 0x2015))
#define isIBM914(codepoint) \
((codepoint == 0x0100) || (codepoint == 0x0101) || (codepoint == 0x0112) || (codepoint == 0x0113) || (codepoint == 0x0116) || (codepoint == 0x0117) || \
(codepoint == 0x0122) || (codepoint == 0x0123) || (codepoint >= 0x0128 && codepoint <= 0x012B) || (codepoint == 0x012E) || (codepoint == 0x012F) || \
(codepoint >= 0x0136 && codepoint <= 0x0138) || (codepoint == 0x013B) || (codepoint == 0x013C) || (codepoint == 0x0145) || (codepoint == 0x0146) || \
(codepoint >= 0x014A && codepoint <= 0x014D) || (codepoint == 0x0156) || (codepoint == 0x0157) || (codepoint >= 0x0166 && codepoint <= 0x016B) || \
(codepoint == 0x0172) || (codepoint == 0x0173))
#define isIBM874(codepoint) \
((codepoint >= 0x0E01 && codepoint <= 0x0E3A) || (codepoint >= 0x0E3F && codepoint <= 0x0E5B))
#define isIBM912(codepoint) \
((codepoint >= 0x0102 && codepoint <= 0x0107) || (codepoint >= 0x010C && codepoint <= 0x0111) || (codepoint >= 0x0118 && codepoint <= 0x011B) || \
(codepoint == 0x0139) || (codepoint == 0x013A) || (codepoint == 0x013D) || (codepoint == 0x013E) || (codepoint >= 0x0141 && codepoint <= 0x0144) || \
(codepoint == 0x0147) || (codepoint == 0x0147) || (codepoint == 0x0150) || (codepoint == 0x0151) || (codepoint == 0x0154) || (codepoint == 0x0155) || \
(codepoint >= 0x0158 && codepoint <= 0x015B) || (codepoint == 0x015E) || (codepoint == 0x015F) || (codepoint >= 0x0160 && codepoint <= 0x0165) || \
(codepoint == 0x016E) || (codepoint == 0x016F) || (codepoint == 0x0170) || (codepoint == 0x0171) || (codepoint >= 0x0179 && codepoint <= 0x017E) || \
(codepoint == 0x02C7) || (codepoint == 0x02D8) || (codepoint == 0x02D9) || (codepoint == 0x02DB) || (codepoint == 0x02DD))
#define isIBM913(codepoint) \
((codepoint >= 0x0108 && codepoint <= 0x010B) || (codepoint == 0x011C) || \
(codepoint == 0x011D) || (codepoint == 0x0120) || (codepoint == 0x0121) || \
(codepoint >= 0x0124 && codepoint <= 0x0127) || (codepoint == 0x0134) || (codepoint == 0x0135) || \
(codepoint == 0x015C) || (codepoint == 0x015D) || (codepoint == 0x016C) || (codepoint == 0x016D))
#define isCompoundS1(codepoint) \
((codepoint == 0x011E) || (codepoint == 0x011F) || (codepoint == 0x0130) || \
(codepoint == 0x0131) || (codepoint >= 0x0218 && codepoint <= 0x021B))
#define isISO8859_14(codepoint) \
((codepoint >= 0x0174 && codepoint <= 0x0177) || (codepoint == 0x1E0A) || \
(codepoint == 0x1E0B) || (codepoint == 0x1E1E) || (codepoint == 0x1E1F) || \
(codepoint == 0x1E40) || (codepoint == 0x1E41) || (codepoint == 0x1E56) || \
(codepoint == 0x1E57) || (codepoint == 0x1E60) || (codepoint == 0x1E61) || \
(codepoint == 0x1E6A) || (codepoint == 0x1E6B) || (codepoint == 0x1EF2) || \
(codepoint == 0x1EF3) || (codepoint >= 0x1E80 && codepoint <= 0x1E85))
#define isIBM923(codepoint) \
((codepoint == 0x0152) || (codepoint == 0x0153) || (codepoint == 0x0178) || (codepoint == 0x20AC))
typedef struct{
UConverterSharedData *myConverterArray[NUM_OF_CONVERTERS];
COMPOUND_TEXT_CONVERTERS state;
} UConverterDataCompoundText;
/*********** Compound Text Converter Protos ***********/
U_CDECL_BEGIN
static void U_CALLCONV
_CompoundTextOpen(UConverter *cnv, UConverterLoadArgs *pArgs, UErrorCode *errorCode);
static void U_CALLCONV
_CompoundTextClose(UConverter *converter);
static void U_CALLCONV
_CompoundTextReset(UConverter *converter, UConverterResetChoice choice);
static const char* U_CALLCONV
_CompoundTextgetName(const UConverter* cnv);
static int32_t findNextEsc(const char *source, const char *sourceLimit) {
int32_t length = static_cast<int32_t>(sourceLimit - source);
int32_t i;
for (i = 1; i < length; i++) {
if (*(source + i) == 0x1B) {
return i;
}
}
return length;
}
static COMPOUND_TEXT_CONVERTERS getState(int codepoint) {
COMPOUND_TEXT_CONVERTERS state = DO_SEARCH;
if (isASCIIRange(codepoint)) {
state = COMPOUND_TEXT_SINGLE_0;
} else if (isIBM912(codepoint)) {
state = IBM_912;
}else if (isIBM913(codepoint)) {
state = IBM_913;
} else if (isISO8859_14(codepoint)) {
state = ISO_8859_14;
} else if (isIBM923(codepoint)) {
state = IBM_923;
} else if (isIBM874(codepoint)) {
state = IBM_874;
} else if (isIBM914(codepoint)) {
state = IBM_914;
} else if (isCompoundS2(codepoint)) {
state = COMPOUND_TEXT_SINGLE_2;
} else if (isCompoundS3(codepoint)) {
state = COMPOUND_TEXT_SINGLE_3;
} else if (isIBM916(codepoint)) {
state = IBM_916;
} else if (isIBM915(codepoint)) {
state = IBM_915;
} else if (isCompoundS1(codepoint)) {
state = COMPOUND_TEXT_SINGLE_1;
}
return state;
}
static COMPOUND_TEXT_CONVERTERS findStateFromEscSeq(const char* source, const char* sourceLimit, const uint8_t* toUBytesBuffer, int32_t toUBytesBufferLength, UErrorCode *err) {
COMPOUND_TEXT_CONVERTERS state = INVALID;
ICU: Update to version 72.1
2022-10-28 08:11:55 +02:00
UBool matchFound = false;
[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 11:10:23 +02:00
int32_t i, n, offset = toUBytesBufferLength;
for (i = 0; i < NUM_OF_CONVERTERS; i++) {
ICU: Update to version 72.1
2022-10-28 08:11:55 +02:00
matchFound = true;
[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 11:10:23 +02:00
for (n = 0; escSeqCompoundText[i][n] != 0; n++) {
if (n < toUBytesBufferLength) {
if (toUBytesBuffer[n] != escSeqCompoundText[i][n]) {
ICU: Update to version 72.1
2022-10-28 08:11:55 +02:00
matchFound = false;
[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 11:10:23 +02:00
break;
}
} else if ((source + (n - offset)) >= sourceLimit) {
*err = U_TRUNCATED_CHAR_FOUND;
ICU: Update to version 72.1
2022-10-28 08:11:55 +02:00
matchFound = false;
[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 11:10:23 +02:00
break;
} else if (*(source + (n - offset)) != escSeqCompoundText[i][n]) {
ICU: Update to version 72.1
2022-10-28 08:11:55 +02:00
matchFound = false;
[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 11:10:23 +02:00
break;
}
}
if (matchFound) {
break;
}
}
if (matchFound) {
state = (COMPOUND_TEXT_CONVERTERS)i;
}
return state;
}
static void U_CALLCONV
_CompoundTextOpen(UConverter *cnv, UConverterLoadArgs *pArgs, UErrorCode *errorCode){
cnv->extraInfo = uprv_malloc (sizeof (UConverterDataCompoundText));
if (cnv->extraInfo != NULL) {
UConverterDataCompoundText *myConverterData = (UConverterDataCompoundText *) cnv->extraInfo;
UConverterNamePieces stackPieces;
UConverterLoadArgs stackArgs=UCNV_LOAD_ARGS_INITIALIZER;
myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_0] = NULL;
myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_1] = ucnv_loadSharedData("icu-internal-compound-s1", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_2] = ucnv_loadSharedData("icu-internal-compound-s2", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_SINGLE_3] = ucnv_loadSharedData("icu-internal-compound-s3", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_1] = ucnv_loadSharedData("icu-internal-compound-d1", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_2] = ucnv_loadSharedData("icu-internal-compound-d2", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_3] = ucnv_loadSharedData("icu-internal-compound-d3", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_4] = ucnv_loadSharedData("icu-internal-compound-d4", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_5] = ucnv_loadSharedData("icu-internal-compound-d5", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_6] = ucnv_loadSharedData("icu-internal-compound-d6", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_DOUBLE_7] = ucnv_loadSharedData("icu-internal-compound-d7", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[COMPOUND_TEXT_TRIPLE_DOUBLE] = ucnv_loadSharedData("icu-internal-compound-t", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[IBM_915] = ucnv_loadSharedData("ibm-915_P100-1995", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[IBM_916] = ucnv_loadSharedData("ibm-916_P100-1995", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[IBM_914] = ucnv_loadSharedData("ibm-914_P100-1995", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[IBM_874] = ucnv_loadSharedData("ibm-874_P100-1995", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[IBM_912] = ucnv_loadSharedData("ibm-912_P100-1995", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[IBM_913] = ucnv_loadSharedData("ibm-913_P100-2000", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[ISO_8859_14] = ucnv_loadSharedData("iso-8859_14-1998", &stackPieces, &stackArgs, errorCode);
myConverterData->myConverterArray[IBM_923] = ucnv_loadSharedData("ibm-923_P100-1998", &stackPieces, &stackArgs, errorCode);
if (U_FAILURE(*errorCode) || pArgs->onlyTestIsLoadable) {
_CompoundTextClose(cnv);
return;
}
myConverterData->state = (COMPOUND_TEXT_CONVERTERS)0;
} else {
*errorCode = U_MEMORY_ALLOCATION_ERROR;
}
}
static void U_CALLCONV
_CompoundTextClose(UConverter *converter) {
UConverterDataCompoundText* myConverterData = (UConverterDataCompoundText*)(converter->extraInfo);
int32_t i;
if (converter->extraInfo != NULL) {
/*close the array of converter pointers and free the memory*/
for (i = 0; i < NUM_OF_CONVERTERS; i++) {
if (myConverterData->myConverterArray[i] != NULL) {
ucnv_unloadSharedDataIfReady(myConverterData->myConverterArray[i]);
}
}
uprv_free(converter->extraInfo);
converter->extraInfo = NULL;
}
}
static void U_CALLCONV
_CompoundTextReset(UConverter *converter, UConverterResetChoice choice) {
(void)converter;
(void)choice;
}
static const char* U_CALLCONV
_CompoundTextgetName(const UConverter* cnv){
(void)cnv;
return "x11-compound-text";
}
static void U_CALLCONV
UConverter_fromUnicode_CompoundText_OFFSETS(UConverterFromUnicodeArgs* args, UErrorCode* err){
UConverter *cnv = args->converter;
uint8_t *target = (uint8_t *) args->target;
const uint8_t *targetLimit = (const uint8_t *) args->targetLimit;
const UChar* source = args->source;
const UChar* sourceLimit = args->sourceLimit;
/* int32_t* offsets = args->offsets; */
UChar32 sourceChar;
UBool useFallback = cnv->useFallback;
uint8_t tmpTargetBuffer[7];
int32_t tmpTargetBufferLength = 0;
COMPOUND_TEXT_CONVERTERS currentState, tmpState;
uint32_t pValue;
int32_t pValueLength = 0;
int32_t i, n, j;
UConverterDataCompoundText *myConverterData = (UConverterDataCompoundText *) cnv->extraInfo;
currentState = myConverterData->state;
/* check if the last codepoint of previous buffer was a lead surrogate*/
if((sourceChar = cnv->fromUChar32)!=0 && target< targetLimit) {
goto getTrail;
}
while( source < sourceLimit){
if(target < targetLimit){
sourceChar = *(source++);
/*check if the char is a First surrogate*/
if(U16_IS_SURROGATE(sourceChar)) {
if(U16_IS_SURROGATE_LEAD(sourceChar)) {
getTrail:
/*look ahead to find the trail surrogate*/
if(source < sourceLimit) {
/* test the following code unit */
UChar trail=(UChar) *source;
if(U16_IS_TRAIL(trail)) {
source++;
sourceChar=U16_GET_SUPPLEMENTARY(sourceChar, trail);
cnv->fromUChar32=0x00;
/* convert this supplementary code point */
/* exit this condition tree */
} 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 = static_cast<int32_t>(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,
ICU: Update to version 72.1
2022-10-28 08:11:55 +02:00
false,
false,
[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 11:10:23 +02:00
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 */
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