The Tor Browser: intl/icu/source/common/ucnv_ct.c@fc2d59ddac77 (annotated)

intl/icu/source/common/ucnv_ct.c@fc2d59ddac77 (annotated)

intl/icu/source/common/ucnv_ct.c

Wed, 31 Dec 2014 07:22:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 07:22:50 +0100
branch: TOR_BUG_3246
changeset 4: fc2d59ddac77
permissions: -rw-r--r--

Correct previous dual key logic pending first delivery installment.

 /*
 **********************************************************************
 *   Copyright (C) 2010-2012, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 *   file name:  ucnv_ct.c
 *   encoding:   US-ASCII
 *   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
 #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"
 #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
 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 ***********/
 static void
 _CompoundTextOpen(UConverter *cnv, UConverterLoadArgs *pArgs, UErrorCode *errorCode);
 static void
  _CompoundTextClose(UConverter *converter);
 static void
 _CompoundTextReset(UConverter *converter, UConverterResetChoice choice);
 static const char*
 _CompoundTextgetName(const UConverter* cnv);
 static int32_t findNextEsc(const char *source, const char *sourceLimit) {
     int32_t length = 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;
     UBool matchFound = FALSE;
     int32_t i, n, offset = toUBytesBufferLength;
     for (i = 0; i < NUM_OF_CONVERTERS; i++) {
         matchFound = TRUE;
         for (n = 0; escSeqCompoundText[i][n] != 0; n++) {
             if (n < toUBytesBufferLength) {
                 if (toUBytesBuffer[n] != escSeqCompoundText[i][n]) {
                     matchFound = FALSE;
                     break;
                 }
             } else if ((source + (n - offset)) >= sourceLimit) {
                 *err = U_TRUNCATED_CHAR_FOUND;
                 matchFound = FALSE;
                 break;
             } else if (*(source + (n - offset)) != escSeqCompoundText[i][n]) {
                 matchFound = FALSE;
                 break;
             }
         }
         if (matchFound) {
             break;
         }
     }
     if (matchFound) {
         state = (COMPOUND_TEXT_CONVERTERS)i;
     }
     return state;
 }
 static void
 _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={ (int32_t)sizeof(UConverterLoadArgs) };
         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
 _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);
     }
 }
 static void
 _CompoundTextReset(UConverter *converter, UConverterResetChoice choice) {
 }
 static const char*
 _CompoundTextgetName(const UConverter* cnv){
     return "x11-compound-text";
 }
 static void
 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
 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
 _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);
 }
 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
 };
 static const UConverterStaticData _CompoundTextStaticData = {
     sizeof(UConverterStaticData),
     "COMPOUND_TEXT",
 ,
     UCNV_IBM,
     UCNV_COMPOUND_TEXT,
 ,
 ,
     { 0xef, 0, 0, 0 },
 ,
     FALSE,
     FALSE,
 ,
 ,
     { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } /* reserved */
 };
 const UConverterSharedData _CompoundTextData = {
     sizeof(UConverterSharedData),
     ~((uint32_t) 0),
     NULL,
     NULL,
     &_CompoundTextStaticData,
     FALSE,
     &_CompoundTextImpl,
 
 };
 #endif /* #if !UCONFIG_NO_LEGACY_CONVERSION */

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intl/icu/source/common/ucnv_ct.c@fc2d59ddac77 (annotated)

intl/icu/source/common/ucnv_ct.c