| /* |
| ********************************************************************** |
| * Copyright (C) 2000, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| ********************************************************************** |
| * file name: ucnv2022.cpp |
| * encoding: US-ASCII |
| * tab size: 8 (not used) |
| * indentation:4 |
| * |
| * created on: 2000feb03 |
| * created by: Markus W. Scherer |
| * |
| * Change history: |
| * |
| * 06/29/2000 helena Major rewrite of the callback APIs. |
| */ |
| |
| #include "unicode/utypes.h" |
| #include "cmemory.h" |
| #include "ucmp16.h" |
| #include "ucmp8.h" |
| #include "unicode/ucnv_err.h" |
| #include "ucnv_bld.h" |
| #include "unicode/ucnv.h" |
| #include "ucnv_cnv.h" |
| |
| /* ISO-2022 ----------------------------------------------------------------- */ |
| |
| void T_UConverter_fromUnicode_UTF8 (UConverter * converter, |
| char **target, |
| const char *targetLimit, |
| const UChar ** source, |
| const UChar * sourceLimit, |
| int32_t* offsets, |
| UBool flush, |
| UErrorCode * err); |
| |
| void T_UConverter_fromUnicode_UTF8_OFFSETS_LOGIC (UConverter * converter, |
| char **target, |
| const char *targetLimit, |
| const UChar ** source, |
| const UChar * sourceLimit, |
| int32_t* offsets, |
| UBool flush, |
| UErrorCode * err); |
| |
| #define ESC_2022 0x1B /*ESC*/ |
| typedef enum |
| { |
| INVALID_2022 = -1, /*Doesn't correspond to a valid iso 2022 escape sequence*/ |
| VALID_NON_TERMINAL_2022 = 0, /*so far corresponds to a valid iso 2022 escape sequence*/ |
| VALID_TERMINAL_2022 = 1, /*corresponds to a valid iso 2022 escape sequence*/ |
| VALID_MAYBE_TERMINAL_2022 = 2 /*so far matches one iso 2022 escape sequence, but by adding more characters might match another escape sequence*/ |
| } UCNV_TableStates_2022; |
| |
| /*Below are the 3 arrays depicting a state transition table*/ |
| int8_t normalize_esq_chars_2022[256] = { |
| 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,1 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,4 ,7 ,0 ,0 |
| ,2 ,0 ,0 ,0 ,0 ,3 ,0 ,6 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,5 ,8 ,9 ,10 ,11 ,12 |
| ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,20 ,0 ,0 |
| ,0 ,0 ,21 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,22 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 |
| ,0 ,0 ,0 ,0 ,0 ,0}; |
| #define MAX_STATES_2022 54 |
| int32_t escSeqStateTable_Key_2022[MAX_STATES_2022] = { |
| 1 ,34 ,36 ,39 ,1093 ,1096 ,1097 ,1098 ,1099 ,1100 |
| ,1101 ,1102 ,1103 ,1104 ,1105 ,1106 ,1109 ,1154 ,1157 ,1160 |
| ,1161 ,1254 ,1257 ,35105 ,36933 ,36936 ,36937 ,36938 ,36939 ,36940 |
| ,36942 ,36943 ,36944 ,36945 ,36946 ,36947 ,36948 ,40133 ,40136 ,40138 |
| ,40139 ,40140 ,40141 ,1123363 ,35947624 ,35947625 ,35947626 ,35947627 ,35947629 ,35947630 |
| ,35947631 ,35947635 ,35947636 ,35947638}; |
| |
| const char* escSeqStateTable_Result_2022[MAX_STATES_2022] = { |
| NULL ,NULL ,NULL ,NULL ,"latin1" ,"latin1" ,"latin1" ,"ibm-865" ,"ibm-865" ,"ibm-865" |
| ,"ibm-865" ,"ibm-865" ,"ibm-865" ,"ibm-895" ,"ibm-943" ,"latin1" ,"latin1" ,NULL ,"ibm-955" ,"ibm-367" |
| ,"ibm-952" ,NULL ,"UTF8" ,NULL ,"ibm-955" ,"bm-367" ,"ibm-952" ,"ibm-949" ,"ibm-953" ,"ibm-1383" |
| ,"ibm-952" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian" |
| ,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian" ,NULL ,"latin1" ,"ibm-912" ,"ibm-913" ,"ibm-914" ,"ibm-813" ,"ibm-1089" |
| ,"ibm-920" ,"ibm-915" ,"ibm-915" ,"latin1"}; |
| |
| UCNV_TableStates_2022 escSeqStateTable_Value_2022[MAX_STATES_2022] = { |
| VALID_NON_TERMINAL_2022 ,VALID_NON_TERMINAL_2022 ,VALID_NON_TERMINAL_2022 ,VALID_NON_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_MAYBE_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 |
| ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_NON_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 |
| ,VALID_TERMINAL_2022 ,VALID_NON_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_NON_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 |
| ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 |
| ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_NON_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 |
| ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022}; |
| |
| /*for 2022 looks ahead in the stream |
| *to determine the longest possible convertible |
| *data stream*/ |
| static const char* getEndOfBuffer_2022(const char* source, |
| const char* sourceLimit, |
| UBool flush); |
| /*runs through a state machine to determine the escape sequence - codepage correspondance |
| *changes the pointer pointed to be _this->extraInfo*/ |
| static void changeState_2022(UConverter* _this, |
| const char** source, |
| const char* sourceLimit, |
| UBool flush, |
| UErrorCode* err); |
| |
| UCNV_TableStates_2022 getKey_2022(char source, |
| int32_t* key, |
| int32_t* offset); |
| |
| static void |
| _ISO2022Open(UConverter *cnv, const char *name, const char *locale, UErrorCode *errorCode) { |
| cnv->charErrorBufferLength = 3; |
| cnv->charErrorBuffer[0] = 0x1b; |
| cnv->charErrorBuffer[1] = 0x25; |
| cnv->charErrorBuffer[2] = 0x42; |
| cnv->extraInfo = uprv_malloc (sizeof (UConverterDataISO2022)); |
| if(cnv->extraInfo != NULL) { |
| ((UConverterDataISO2022 *) cnv->extraInfo)->currentConverter = NULL; |
| ((UConverterDataISO2022 *) cnv->extraInfo)->escSeq2022Length = 0; |
| } else { |
| *errorCode = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| |
| static void |
| _ISO2022Close(UConverter *converter) { |
| if (converter->extraInfo != NULL) { |
| ucnv_close (((UConverterDataISO2022 *) (converter->extraInfo))->currentConverter); |
| uprv_free (converter->extraInfo); |
| } |
| |
| } |
| |
| static void |
| _ISO2022Reset(UConverter *converter) { |
| if (converter->mode == UCNV_SO) |
| { |
| converter->charErrorBufferLength = 3; |
| converter->charErrorBuffer[0] = 0x1b; |
| converter->charErrorBuffer[1] = 0x25; |
| converter->charErrorBuffer[2] = 0x42; |
| ucnv_close (((UConverterDataISO2022 *) (converter->extraInfo))->currentConverter); |
| ((UConverterDataISO2022 *) (converter->extraInfo))->currentConverter = NULL; |
| ((UConverterDataISO2022 *) (converter->extraInfo))->escSeq2022Length = 0; |
| converter->mode = UCNV_SI; |
| } |
| } |
| |
| static void T_UConverter_fromUnicode_ISO_2022(UConverter* _this, |
| char** target, |
| const char* targetLimit, |
| const UChar** source, |
| const UChar* sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode* err) |
| { |
| char const* targetStart = *target; |
| T_UConverter_fromUnicode_UTF8(_this, |
| target, |
| targetLimit, |
| source, |
| sourceLimit, |
| NULL, |
| flush, |
| err); |
| } |
| |
| |
| static void T_UConverter_fromUnicode_ISO_2022_OFFSETS_LOGIC(UConverter* _this, |
| char** target, |
| const char* targetLimit, |
| const UChar** source, |
| const UChar* sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode* err) |
| { |
| |
| char const* targetStart = *target; |
| T_UConverter_fromUnicode_UTF8_OFFSETS_LOGIC(_this, |
| target, |
| targetLimit, |
| source, |
| sourceLimit, |
| offsets, |
| flush, |
| err); |
| { |
| int32_t len = *target - targetStart; |
| int32_t i; |
| /* uprv_memmove(offsets+3, offsets, len); MEMMOVE SEEMS BROKEN --srl */ |
| |
| for(i=len-1;i>=0;i--) offsets[i] = offsets[i]; |
| |
| } |
| } |
| |
| UCNV_TableStates_2022 getKey_2022(char c, |
| int32_t* key, |
| int32_t* offset) |
| { |
| int32_t togo = *key; |
| int32_t low = 0; |
| int32_t hi = MAX_STATES_2022; |
| int32_t oldmid; |
| |
| if (*key == 0) togo = normalize_esq_chars_2022[c]; |
| else |
| { |
| togo <<= 5; |
| togo += normalize_esq_chars_2022[c]; |
| } |
| |
| while (hi != low) /*binary search*/ |
| { |
| register int32_t mid = (hi+low) >> 1; /*Finds median*/ |
| |
| if (mid == oldmid) break; |
| if (escSeqStateTable_Key_2022[mid] > togo) hi = mid; |
| else if (escSeqStateTable_Key_2022[mid] < togo) low = mid; |
| else /*we found it*/ |
| { |
| *key = togo; |
| *offset = mid; |
| #ifdef Debug |
| printf("found at @ %d\n", mid); |
| #endif /*Debug*/ |
| return escSeqStateTable_Value_2022[mid]; |
| } |
| oldmid = mid; |
| |
| } |
| |
| #ifdef Debug |
| printf("Could not find \"%d\" for %X\n", togo, c); |
| #endif /*Debug*/ |
| *key = 0; |
| *offset = 0; |
| |
| |
| return INVALID_2022; |
| } |
| |
| void changeState_2022(UConverter* _this, |
| const char** source, |
| const char* sourceLimit, |
| UBool flush, |
| UErrorCode* err) |
| { |
| UConverter* myUConverter; |
| uint32_t key = _this->toUnicodeStatus; |
| UCNV_TableStates_2022 value; |
| UConverterDataISO2022* myData2022 = ((UConverterDataISO2022*)_this->extraInfo); |
| const char* chosenConverterName = NULL; |
| int32_t offset; |
| |
| /*Close the old Converter*/ |
| if (_this->mode == UCNV_SO) ucnv_close(myData2022->currentConverter); |
| myData2022->currentConverter = NULL; |
| _this->mode = UCNV_SI; |
| |
| /*In case we were in the process of consuming an escape sequence |
| we need to reprocess it */ |
| |
| do |
| { |
| #ifdef Debug |
| printf("Pre Stage: char = %x, key = %d, value =%d\n", **source, key, value); |
| fflush(stdout); |
| #endif /*Debug*/ |
| /* Needed explicit cast for key on MVS to make compiler happy - JJD */ |
| value = getKey_2022(**source,(int32_t *) &key, &offset); |
| #ifdef Debug |
| printf("Post Stage: char = %x, key = %d, value =%d\n", **source, key, value); |
| fflush(stdout); |
| #endif /*Debug*/ |
| switch (value) |
| { |
| case VALID_NON_TERMINAL_2022 : |
| { |
| #ifdef Debug |
| puts("VALID_NON_TERMINAL_2022"); |
| #endif /*Debug*/ |
| };break; |
| |
| case VALID_TERMINAL_2022: |
| { |
| #ifdef Debug |
| puts("VALID_TERMINAL_2022"); |
| #endif /*Debug*/ |
| chosenConverterName = escSeqStateTable_Result_2022[offset]; |
| key = 0; |
| goto DONE; |
| };break; |
| |
| case INVALID_2022: |
| { |
| #ifdef Debug |
| puts("INVALID_2022"); |
| #endif /*Debug*/ |
| _this->toUnicodeStatus = 0; |
| *err = U_ILLEGAL_CHAR_FOUND; |
| return; |
| } |
| |
| case VALID_MAYBE_TERMINAL_2022: |
| { |
| const char* mySource = (*source + 1); |
| int32_t myKey = key; |
| UCNV_TableStates_2022 myValue = value; |
| int32_t myOffset; |
| #ifdef Debug |
| puts("VALID_MAYBE_TERMINAL_2022"); |
| #endif /*Debug*/ |
| |
| while ((mySource < sourceLimit) && |
| ((myValue == VALID_MAYBE_TERMINAL_2022)||(myValue == VALID_NON_TERMINAL_2022))) |
| { |
| #ifdef Debug |
| printf("MAYBE value = %d myKey = %d %X\n", myValue, myKey, *mySource); |
| #endif /*Debug*/ |
| myValue = getKey_2022(*(mySource++), &myKey, &myOffset); |
| } |
| #ifdef Debug |
| printf("myValue = %d\n", myValue); |
| #endif /*Debug*/ |
| switch (myValue) |
| { |
| case INVALID_2022: |
| { |
| /*Backs off*/ |
| #ifdef Debug |
| puts("VALID_MAYBE_TERMINAL INVALID"); |
| printf("offset = %d\n", offset); |
| #endif /*Debug*/ |
| chosenConverterName = escSeqStateTable_Result_2022[offset]; |
| value = VALID_TERMINAL_2022; |
| #ifdef Debug |
| printf("%d\n", offset); |
| fflush(stdout); |
| #endif /*Debug*/ |
| goto DONE; |
| };break; |
| |
| case VALID_TERMINAL_2022: |
| { |
| /*uses longer escape sequence*/ |
| #ifdef Debug |
| puts("VALID_MAYBE_TERMINAL TERMINAL"); |
| #endif /*Debug*/ |
| *source = mySource-1; /*deals with the overshot in the while above*/ |
| chosenConverterName = escSeqStateTable_Result_2022[myOffset]; |
| key = 0; |
| value = VALID_TERMINAL_2022; |
| goto DONE; |
| };break; |
| |
| case VALID_NON_TERMINAL_2022: |
| #ifdef Debug |
| puts("VALID_MAYBE_TERMINAL NON_TERMINAL"); |
| #endif /*Debug*/ |
| case VALID_MAYBE_TERMINAL_2022: |
| { |
| #ifdef Debug |
| puts("VALID_MAYBE_TERMINAL MAYBE_TERMINAL"); |
| #endif /*Debug*/ |
| if (flush) |
| { |
| /*Backs off*/ |
| chosenConverterName = escSeqStateTable_Result_2022[offset]; |
| value = VALID_TERMINAL_2022; |
| key = 0; |
| goto DONE; |
| } |
| else |
| { |
| key = myKey; |
| value = VALID_NON_TERMINAL_2022; |
| } |
| };break; |
| };break; |
| };break; |
| } |
| } while ((*source)++ <= sourceLimit); |
| |
| DONE: |
| _this->toUnicodeStatus = key; |
| |
| if ((value == VALID_NON_TERMINAL_2022) || (value == VALID_MAYBE_TERMINAL_2022)) |
| { |
| #ifdef Debug |
| printf("Out: current **source = %X", **source); |
| #endif |
| |
| return; |
| } |
| if (value > 0) myData2022->currentConverter = myUConverter = ucnv_open(chosenConverterName, err); |
| { |
| #ifdef Debug |
| printf("Error = %d open \"%s\"\n", *err, chosenConverterName); |
| #endif /*Debug*/ |
| if (U_SUCCESS(*err)) |
| { |
| /*Customize the converter with the attributes set on the 2022 converter*/ |
| myUConverter->fromUCharErrorBehaviour = _this->fromUCharErrorBehaviour; |
| myUConverter->fromCharErrorBehaviour = _this->fromCharErrorBehaviour; |
| uprv_memcpy(myUConverter->subChar, |
| _this->subChar, |
| myUConverter->subCharLen = _this->subCharLen); |
| |
| _this->mode = UCNV_SO; |
| } |
| } |
| |
| |
| return; |
| } |
| |
| /*Checks the first 3 characters of the buffer against valid 2022 escape sequences |
| *if the match we return a pointer to the initial start of the sequence otherwise |
| *we return sourceLimit |
| */ |
| const char* getEndOfBuffer_2022(const char* source, |
| const char* sourceLimit, |
| UBool flush) |
| { |
| const char* mySource = source; |
| |
| if (source >= sourceLimit) return sourceLimit; |
| |
| do |
| { |
| if (*mySource == ESC_2022) |
| { |
| int8_t i; |
| int32_t key = 0; |
| int32_t offset; |
| UCNV_TableStates_2022 value = VALID_NON_TERMINAL_2022; |
| |
| for (i=0; |
| (mySource+i < sourceLimit)&&(value == VALID_NON_TERMINAL_2022); |
| i++) |
| { |
| value = getKey_2022(*(mySource+i), &key, &offset); |
| #ifdef Debug |
| printf("Look ahead value = %d\n", value); |
| #endif /*Debug*/ |
| } |
| if (value > 0) return mySource; |
| if ((value == VALID_NON_TERMINAL_2022)&&(!flush) ) return sourceLimit; |
| } |
| } |
| while (mySource++ < sourceLimit); |
| |
| return sourceLimit; |
| } |
| |
| |
| |
| static void T_UConverter_toUnicode_ISO_2022(UConverter* _this, |
| UChar** target, |
| const UChar* targetLimit, |
| const char** source, |
| const char* sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode* err) |
| { |
| int32_t base = 0; |
| const char* mySourceLimit; |
| char const* sourceStart; |
| |
| /*Arguments Check*/ |
| if (U_FAILURE(*err)) return; |
| if ((_this == NULL) || (targetLimit < *target) || (sourceLimit < *source)) |
| { |
| *err = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| |
| for (;;) |
| { |
| |
| mySourceLimit = getEndOfBuffer_2022(*source, sourceLimit, flush); |
| |
| |
| /*Find the end of the buffer e.g : Next Escape Seq | end of Buffer*/ |
| if (_this->mode == UCNV_SO) /*Already doing some conversion*/ |
| { |
| const UChar* myTargetStart = *target; |
| #ifdef Debug |
| printf("source %X\n mySourceLimit %X\n sourceLimit %X\n", *source, mySourceLimit, sourceLimit); |
| #endif /*Debug*/ |
| |
| ucnv_toUnicode(((UConverterDataISO2022*)(_this->extraInfo))->currentConverter, |
| target, |
| targetLimit, |
| source, |
| mySourceLimit, |
| NULL, |
| flush, |
| err); |
| |
| |
| #ifdef Debug |
| puts("---------------------------> CONVERTED"); |
| printf("source %X\n mySourceLimit %X\n sourceLimit %X\n", *source, mySourceLimit, sourceLimit); |
| printf("err =%d", *err); |
| #endif /*Debug*/ |
| } |
| /*-Done with buffer with entire buffer |
| -Error while converting |
| */ |
| |
| if (U_FAILURE(*err) || (*source == sourceLimit)) return; |
| #ifdef Debug |
| puts("Got Here!"); |
| fflush(stdout); |
| #endif /*Debug*/ |
| sourceStart = *source; |
| changeState_2022(_this, |
| source, |
| sourceLimit, |
| flush, |
| err); |
| (*source)++; |
| |
| } |
| |
| return; |
| } |
| |
| static void T_UConverter_toUnicode_ISO_2022_OFFSETS_LOGIC(UConverter* _this, |
| UChar** target, |
| const UChar* targetLimit, |
| const char** source, |
| const char* sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode* err) |
| { |
| int32_t myOffset=0; |
| int32_t base = 0; |
| const char* mySourceLimit; |
| char const* sourceStart; |
| |
| /*Arguments Check*/ |
| if (U_FAILURE(*err)) return; |
| if ((_this == NULL) || (targetLimit < *target) || (sourceLimit < *source)) |
| { |
| *err = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| |
| for (;;) |
| { |
| |
| mySourceLimit = getEndOfBuffer_2022(*source, sourceLimit, flush); |
| /*Find the end of the buffer e.g : Next Escape Seq | end of Buffer*/ |
| |
| if (_this->mode == UCNV_SO) /*Already doing some conversion*/ |
| { |
| const UChar* myTargetStart = *target; |
| #ifdef Debug |
| printf("source %X\n mySourceLimit %X\n sourceLimit %X\n", *source, mySourceLimit, sourceLimit); |
| #endif /*Debug*/ |
| |
| ucnv_toUnicode(((UConverterDataISO2022*)(_this->extraInfo))->currentConverter, |
| target, |
| targetLimit, |
| source, |
| mySourceLimit, |
| offsets, |
| flush, |
| err); |
| |
| { |
| int32_t lim = *target - myTargetStart; |
| int32_t i = 0; |
| for (i=base; i < lim;i++) offsets[i] += myOffset; |
| base += lim; |
| } |
| |
| #ifdef Debug |
| puts("---------------------------> CONVERTED"); |
| printf("source %X\n mySourceLimit %X\n sourceLimit %X\n", *source, mySourceLimit, sourceLimit); |
| printf("err =%d", *err); |
| #endif /*Debug*/ |
| } |
| |
| /*-Done with buffer with entire buffer |
| -Error while converting |
| */ |
| |
| if (U_FAILURE(*err) || (*source == sourceLimit)) return; |
| #ifdef Debug |
| puts("Got Here!"); |
| fflush(stdout); |
| #endif /*Debug*/ |
| sourceStart = *source; |
| changeState_2022(_this, |
| source, |
| sourceLimit, |
| flush, |
| err); |
| (*source)++; |
| myOffset += *source - sourceStart; |
| |
| } |
| |
| return; |
| } |
| |
| static UChar32 T_UConverter_getNextUChar_ISO_2022(UConverter* converter, |
| const char** source, |
| const char* sourceLimit, |
| UErrorCode* err) |
| { |
| const char* mySourceLimit; |
| /*Arguments Check*/ |
| if (sourceLimit < *source) |
| { |
| *err = U_ILLEGAL_ARGUMENT_ERROR; |
| return 0xFFFD; |
| } |
| |
| for (;;) |
| { |
| mySourceLimit = getEndOfBuffer_2022(*source, sourceLimit, TRUE); |
| /*Find the end of the buffer e.g : Next Escape Seq | end of Buffer*/ |
| if (converter->mode == UCNV_SO) /*Already doing some conversion*/ |
| { |
| |
| return ucnv_getNextUChar(((UConverterDataISO2022*)(converter->extraInfo))->currentConverter, |
| source, |
| mySourceLimit, |
| err); |
| |
| |
| } |
| /*-Done with buffer with entire buffer |
| -Error while converting |
| */ |
| |
| |
| changeState_2022(converter, |
| source, |
| sourceLimit, |
| TRUE, |
| err); |
| (*source)++; |
| } |
| |
| return 0xFFFD; |
| } |
| |
| static const UConverterImpl _ISO2022Impl={ |
| UCNV_ISO_2022, |
| |
| NULL, |
| NULL, |
| |
| _ISO2022Open, |
| _ISO2022Close, |
| _ISO2022Reset, |
| |
| T_UConverter_toUnicode_ISO_2022, |
| T_UConverter_toUnicode_ISO_2022_OFFSETS_LOGIC, |
| T_UConverter_fromUnicode_ISO_2022, |
| T_UConverter_fromUnicode_ISO_2022_OFFSETS_LOGIC, |
| T_UConverter_getNextUChar_ISO_2022, |
| |
| NULL |
| }; |
| |
| const UConverterStaticData _ISO2022StaticData={ |
| sizeof(UConverterStaticData), |
| "ISO_2022", |
| 2022, UCNV_IBM, UCNV_ISO_2022, 1, 4, |
| 1, { 0x1a, 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 _ISO2022Data={ |
| sizeof(UConverterSharedData), ~((uint32_t) 0), |
| NULL, NULL, &_ISO2022StaticData, FALSE, &_ISO2022Impl, |
| 0 |
| }; |
| |
| /* EBCDICStateful ----------------------------------------------------------- */ |
| |
| U_CFUNC void |
| _DBCSLoad(UConverterSharedData *sharedData, const uint8_t *raw, UErrorCode *pErrorCode); |
| |
| U_CFUNC void |
| _DBCSUnload(UConverterSharedData *sharedData); |
| |
| void T_UConverter_toUnicode_EBCDIC_STATEFUL (UConverter * _this, |
| UChar ** target, |
| const UChar * targetLimit, |
| const char **source, |
| const char *sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode * err) |
| { |
| const char *mySource = *source, *srcTemp; |
| UChar *myTarget = *target, *tgtTemp; |
| int32_t mySourceIndex = 0; |
| int32_t myTargetIndex = 0; |
| int32_t targetLength = targetLimit - myTarget; |
| int32_t sourceLength = sourceLimit - mySource; |
| CompactShortArray *myToUnicode = NULL; |
| UChar targetUniChar = 0x0000; |
| UChar mySourceChar = 0x0000; |
| int32_t myMode = _this->mode; |
| UConverterToUnicodeArgs args; |
| |
| |
| myToUnicode = &_this->sharedData->table->dbcs.toUnicode; |
| args.sourceStart = *source; |
| while (mySourceIndex < sourceLength) |
| { |
| if (myTargetIndex < targetLength) |
| { |
| /*gets the corresponding UniChar */ |
| mySourceChar = (unsigned char) (mySource[mySourceIndex++]); |
| if (mySourceChar == UCNV_SI) myMode = UCNV_SI; |
| else if (mySourceChar == UCNV_SO) myMode = UCNV_SO; |
| else if ((myMode == UCNV_SO) && |
| (_this->toUnicodeStatus == 0x00)) |
| { |
| _this->toUnicodeStatus = (unsigned char) mySourceChar; |
| } |
| else |
| { |
| /*In case there is a state, we update the source char |
| *by concatenating the previous char with the current |
| *one |
| */ |
| if (_this->toUnicodeStatus != 0x00) |
| { |
| mySourceChar |= (UChar) (_this->toUnicodeStatus << 8); |
| _this->toUnicodeStatus = 0x00; |
| } |
| else mySourceChar &= 0x00FF; |
| |
| /*gets the corresponding Unicode codepoint */ |
| targetUniChar = (UChar) ucmp16_getu (myToUnicode, mySourceChar); |
| |
| /*writing the UniChar to the output stream */ |
| if (targetUniChar != missingUCharMarker) |
| { |
| /*writes the UniChar to the output stream */ |
| myTarget[myTargetIndex++] = targetUniChar; |
| } |
| else |
| { |
| *err = U_INVALID_CHAR_FOUND; |
| if (mySourceChar > 0xff) |
| { |
| _this->invalidCharLength = 2; |
| _this->invalidCharBuffer[0] = (char) (mySourceChar >> 8); |
| _this->invalidCharBuffer[1] = (char) mySourceChar; |
| } |
| else |
| { |
| _this->invalidCharLength = 1; |
| _this->invalidCharBuffer[0] = (char) mySourceChar; |
| } |
| _this->mode = myMode; |
| args.converter = _this; |
| srcTemp = mySource + mySourceIndex; |
| tgtTemp = myTarget + myTargetIndex; |
| args.pTarget = &tgtTemp; |
| args.targetLimit = targetLimit; |
| args.pSource = &srcTemp; |
| args.sourceLimit = sourceLimit; |
| args.flush = flush; |
| args.offsets = offsets?offsets+myTargetIndex:0; |
| args.size = sizeof(args); |
| |
| ToU_CALLBACK_MACRO(_this->toUContext, |
| args, |
| srcTemp, |
| 1, |
| UCNV_UNASSIGNED, |
| err); |
| |
| if (U_FAILURE (*err)) break; |
| _this->invalidCharLength = 0; |
| myTargetIndex = *(args.pTarget) - myTarget; |
| mySourceIndex = *(args.pSource) - mySource; |
| } |
| } |
| } |
| else |
| { |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| } |
| |
| /*If at the end of conversion we are still carrying state information |
| *flush is TRUE, we can deduce that the input stream is truncated |
| */ |
| if (_this->toUnicodeStatus |
| && (mySourceIndex == sourceLength) |
| && (flush == TRUE)) |
| { |
| if (U_SUCCESS(*err)) |
| { |
| *err = U_TRUNCATED_CHAR_FOUND; |
| _this->toUnicodeStatus = 0x00; |
| } |
| } |
| |
| *target += myTargetIndex; |
| *source += mySourceIndex; |
| _this->mode = myMode; |
| |
| return; |
| } |
| |
| void T_UConverter_toUnicode_EBCDIC_STATEFUL_OFFSETS_LOGIC (UConverter * _this, |
| UChar ** target, |
| const UChar * targetLimit, |
| const char **source, |
| const char *sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode * err) |
| { |
| const char *mySource = *source, *srcTemp; |
| UChar *myTarget = *target, *tgtTemp; |
| int32_t mySourceIndex = 0; |
| int32_t myTargetIndex = 0; |
| int32_t targetLength = targetLimit - myTarget; |
| int32_t sourceLength = sourceLimit - mySource; |
| CompactShortArray *myToUnicode = NULL; |
| UChar targetUniChar = 0x0000; |
| UChar mySourceChar = 0x0000; |
| int32_t myMode = _this->mode; |
| int32_t* originalOffsets = offsets; |
| UConverterToUnicodeArgs args; |
| |
| myToUnicode = &_this->sharedData->table->dbcs.toUnicode; |
| args.sourceStart = *source; |
| |
| while (mySourceIndex < sourceLength) |
| { |
| if (myTargetIndex < targetLength) |
| { |
| /*gets the corresponding UniChar */ |
| mySourceChar = (unsigned char) (mySource[mySourceIndex++]); |
| if (mySourceChar == UCNV_SI) myMode = UCNV_SI; |
| else if (mySourceChar == UCNV_SO) myMode = UCNV_SO; |
| else if ((myMode == UCNV_SO) && |
| (_this->toUnicodeStatus == 0x00)) |
| { |
| _this->toUnicodeStatus = (unsigned char) mySourceChar; |
| } |
| else |
| { |
| /*In case there is a state, we update the source char |
| *by concatenating the previous char with the current |
| *one |
| */ |
| if (_this->toUnicodeStatus != 0x00) |
| { |
| mySourceChar |= (UChar) (_this->toUnicodeStatus << 8); |
| _this->toUnicodeStatus = 0x00; |
| } |
| else mySourceChar &= 0x00FF; |
| |
| /*gets the corresponding Unicode codepoint */ |
| targetUniChar = (UChar) ucmp16_getu (myToUnicode, mySourceChar); |
| |
| /*writing the UniChar to the output stream */ |
| if (targetUniChar != missingUCharMarker) |
| { |
| /*writes the UniChar to the output stream */ |
| { |
| if(myMode == UCNV_SO) |
| offsets[myTargetIndex] = mySourceIndex-2; /* double byte */ |
| else |
| offsets[myTargetIndex] = mySourceIndex-1; /* single byte */ |
| } |
| myTarget[myTargetIndex++] = targetUniChar; |
| } |
| else |
| { |
| int32_t currentOffset = offsets[myTargetIndex-1] + 2;/* Because mySourceIndex was already incremented */ |
| |
| *err = U_INVALID_CHAR_FOUND; |
| if (mySourceChar > 0xFF) |
| { |
| _this->invalidCharLength = 2; |
| _this->invalidCharBuffer[0] = (char) (mySourceChar >> 8); |
| _this->invalidCharBuffer[1] = (char) mySourceChar; |
| } |
| else |
| { |
| _this->invalidCharLength = 1; |
| _this->invalidCharBuffer[0] = (char) mySourceChar; |
| } |
| _this->mode = myMode; |
| |
| args.converter = _this; |
| srcTemp = mySource + mySourceIndex; |
| tgtTemp = myTarget + myTargetIndex; |
| args.pTarget = &tgtTemp; |
| args.targetLimit = targetLimit; |
| args.pSource = &srcTemp; |
| args.sourceLimit = sourceLimit; |
| args.flush = flush; |
| args.offsets = offsets?offsets+myTargetIndex:0; |
| args.size = sizeof(args); |
| /* call back handles the offset array */ |
| ToU_CALLBACK_MACRO(_this->toUContext, |
| args, |
| srcTemp, |
| 1, |
| UCNV_UNASSIGNED, |
| err); |
| |
| if (U_FAILURE (*err)) break; |
| _this->invalidCharLength = 0; |
| myTargetIndex = *(args.pTarget) - myTarget; |
| mySourceIndex = *(args.pSource) - mySource; |
| } |
| } |
| } |
| else |
| { |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| } |
| |
| /*If at the end of conversion we are still carrying state information |
| *flush is TRUE, we can deduce that the input stream is truncated |
| */ |
| if (_this->toUnicodeStatus |
| && (mySourceIndex == sourceLength) |
| && (flush == TRUE)) |
| { |
| if (U_SUCCESS(*err)) |
| { |
| *err = U_TRUNCATED_CHAR_FOUND; |
| _this->toUnicodeStatus = 0x00; |
| } |
| } |
| |
| *target += myTargetIndex; |
| *source += mySourceIndex; |
| _this->mode = myMode; |
| |
| return; |
| } |
| |
| void T_UConverter_fromUnicode_EBCDIC_STATEFUL (UConverter * _this, |
| char **target, |
| const char *targetLimit, |
| const UChar ** source, |
| const UChar * sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode * err) |
| |
| { |
| const UChar *mySource = *source, *srcTemp; |
| char *myTarget = *target, *tgtTemp; |
| int32_t mySourceIndex = 0; |
| int32_t myTargetIndex = 0; |
| int32_t targetLength = targetLimit - myTarget; |
| int32_t sourceLength = sourceLimit - mySource; |
| CompactShortArray *myFromUnicode = NULL; |
| UChar targetUniChar = 0x0000; |
| int8_t targetUniCharByteNum = 0; |
| UChar mySourceChar = 0x0000; |
| UBool isTargetUCharDBCS = (UBool)_this->fromUnicodeStatus; |
| UBool oldIsTargetUCharDBCS = isTargetUCharDBCS; |
| UConverterFromUnicodeArgs args; |
| |
| myFromUnicode = &_this->sharedData->table->dbcs.fromUnicode; |
| args.sourceStart = *source; |
| /*writing the char to the output stream */ |
| while (mySourceIndex < sourceLength) |
| { |
| if (myTargetIndex < targetLength) |
| { |
| mySourceChar = (UChar) mySource[mySourceIndex++]; |
| targetUniChar = (UChar) ucmp16_getu (myFromUnicode, mySourceChar); |
| oldIsTargetUCharDBCS = isTargetUCharDBCS; |
| isTargetUCharDBCS = (targetUniChar>0x00FF); |
| |
| if (targetUniChar != missingCharMarker) |
| { |
| if (oldIsTargetUCharDBCS != isTargetUCharDBCS) |
| { |
| if (isTargetUCharDBCS) myTarget[myTargetIndex++] = UCNV_SO; |
| else myTarget[myTargetIndex++] = UCNV_SI; |
| |
| |
| if ((!isTargetUCharDBCS)&&(myTargetIndex+1 >= targetLength)) |
| { |
| _this->charErrorBuffer[0] = (char) targetUniChar; |
| _this->charErrorBufferLength = 1; |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| else if (myTargetIndex+1 >= targetLength) |
| { |
| _this->charErrorBuffer[0] = (char) (targetUniChar >> 8); |
| _this->charErrorBuffer[1] = (char) targetUniChar & 0x00FF; |
| _this->charErrorBufferLength = 2; |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| |
| } |
| |
| if (!isTargetUCharDBCS) |
| { |
| myTarget[myTargetIndex++] = (char) targetUniChar; |
| } |
| else |
| { |
| myTarget[myTargetIndex++] = (char) (targetUniChar >> 8); |
| if (myTargetIndex < targetLength) |
| { |
| myTarget[myTargetIndex++] = (char) targetUniChar; |
| } |
| else |
| { |
| _this->charErrorBuffer[0] = (char) targetUniChar; |
| _this->charErrorBufferLength = 1; |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| } |
| } |
| else |
| { |
| isTargetUCharDBCS = oldIsTargetUCharDBCS; |
| *err = U_INVALID_CHAR_FOUND; |
| _this->invalidUCharBuffer[0] = (UChar) mySourceChar; |
| _this->invalidUCharLength = 1; |
| |
| _this->fromUnicodeStatus = (int32_t)isTargetUCharDBCS; |
| srcTemp = mySource + mySourceIndex; |
| tgtTemp = myTarget + myTargetIndex; |
| args.converter = _this; |
| args.pTarget = &tgtTemp; |
| args.targetLimit = targetLimit; |
| args.pSource = &srcTemp; |
| args.sourceLimit = sourceLimit; |
| args.flush = flush; |
| args.offsets = offsets?offsets+myTargetIndex:0; |
| args.size = sizeof(args); |
| /* HSYS: to do: more smarts */ |
| FromU_CALLBACK_MACRO(args.converter->fromUContext, |
| args, |
| srcTemp, |
| 1, |
| (UChar32) (*srcTemp), |
| UCNV_UNASSIGNED, |
| err); |
| if (U_FAILURE (*err)) break; |
| _this->invalidUCharLength = 0; |
| myTargetIndex = *(args.pTarget) - myTarget; |
| mySourceIndex = *(args.pSource) - mySource; |
| } |
| } |
| else |
| { |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| |
| } |
| |
| |
| *target += myTargetIndex; |
| *source += mySourceIndex; |
| |
| _this->fromUnicodeStatus = (int32_t)isTargetUCharDBCS; |
| |
| return; |
| } |
| |
| void T_UConverter_fromUnicode_EBCDIC_STATEFUL_OFFSETS_LOGIC (UConverter * _this, |
| char **target, |
| const char *targetLimit, |
| const UChar ** source, |
| const UChar * sourceLimit, |
| int32_t *offsets, |
| UBool flush, |
| UErrorCode * err) |
| |
| { |
| const UChar *mySource = *source, *srcTemp; |
| char *myTarget = *target, *tgtTemp; |
| int32_t mySourceIndex = 0; |
| int32_t myTargetIndex = 0; |
| int32_t targetLength = targetLimit - myTarget; |
| int32_t sourceLength = sourceLimit - mySource; |
| CompactShortArray *myFromUnicode = NULL; |
| UChar targetUniChar = 0x0000; |
| int8_t targetUniCharByteNum = 0; |
| UChar mySourceChar = 0x0000; |
| UBool isTargetUCharDBCS = (UBool)_this->fromUnicodeStatus; |
| UBool oldIsTargetUCharDBCS = isTargetUCharDBCS; |
| int32_t* originalOffsets = offsets; |
| UConverterFromUnicodeArgs args; |
| |
| myFromUnicode = &_this->sharedData->table->dbcs.fromUnicode; |
| args.sourceStart = *source; |
| /*writing the char to the output stream */ |
| while (mySourceIndex < sourceLength) |
| { |
| if (myTargetIndex < targetLength) |
| { |
| mySourceChar = (UChar) mySource[mySourceIndex++]; |
| targetUniChar = (UChar) ucmp16_getu (myFromUnicode, mySourceChar); |
| oldIsTargetUCharDBCS = isTargetUCharDBCS; |
| isTargetUCharDBCS = (targetUniChar>0x00FF); |
| |
| if (targetUniChar != missingCharMarker) |
| { |
| if (oldIsTargetUCharDBCS != isTargetUCharDBCS) |
| { |
| offsets[myTargetIndex] = mySourceIndex-1; |
| if (isTargetUCharDBCS) myTarget[myTargetIndex++] = UCNV_SO; |
| else myTarget[myTargetIndex++] = UCNV_SI; |
| |
| |
| if ((!isTargetUCharDBCS)&&(myTargetIndex+1 >= targetLength)) |
| { |
| _this->charErrorBuffer[0] = (char) targetUniChar; |
| _this->charErrorBufferLength = 1; |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| else if (myTargetIndex+1 >= targetLength) |
| { |
| _this->charErrorBuffer[0] = (char) (targetUniChar >> 8); |
| _this->charErrorBuffer[1] = (char) targetUniChar & 0x00FF; |
| _this->charErrorBufferLength = 2; |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| } |
| |
| if (!isTargetUCharDBCS) |
| { |
| offsets[myTargetIndex] = mySourceIndex-1; |
| myTarget[myTargetIndex++] = (char) targetUniChar; |
| } |
| else |
| { |
| offsets[myTargetIndex] = mySourceIndex-1; |
| myTarget[myTargetIndex++] = (char) (targetUniChar >> 8); |
| if (myTargetIndex < targetLength) |
| { |
| offsets[myTargetIndex] = mySourceIndex-1; |
| myTarget[myTargetIndex++] = (char) targetUniChar; |
| } |
| else |
| { |
| _this->charErrorBuffer[0] = (char) targetUniChar; |
| _this->charErrorBufferLength = 1; |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| } |
| } |
| else |
| { |
| int32_t currentOffset = offsets[myTargetIndex-1]+1; |
| *err = U_INVALID_CHAR_FOUND; |
| _this->invalidUCharBuffer[0] = (UChar) mySourceChar; |
| _this->invalidUCharLength = 1; |
| |
| /* Breaks out of the loop since behaviour was set to stop */ |
| _this->fromUnicodeStatus = (int32_t)isTargetUCharDBCS; |
| srcTemp = mySource + mySourceIndex; |
| tgtTemp = myTarget + myTargetIndex; |
| args.converter = _this; |
| args.pTarget = &tgtTemp; |
| args.targetLimit = targetLimit; |
| args.pSource = &srcTemp; |
| args.sourceLimit = sourceLimit; |
| args.flush = flush; |
| args.offsets = offsets?offsets+myTargetIndex:0; |
| args.size = sizeof(args); |
| /* HSYS: to do: more smarts, including offsets */ |
| FromU_CALLBACK_MACRO(args.converter->fromUContext, |
| args, |
| srcTemp, |
| 1, |
| (UChar32) (*srcTemp), |
| UCNV_UNASSIGNED, |
| err); |
| |
| if (U_FAILURE (*err)) break; |
| _this->invalidUCharLength = 0; |
| myTargetIndex = *(args.pTarget) - myTarget; |
| mySourceIndex = *(args.pSource) - mySource; |
| } |
| } |
| else |
| { |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| break; |
| } |
| |
| } |
| |
| |
| *target += myTargetIndex; |
| *source += mySourceIndex;; |
| |
| _this->fromUnicodeStatus = (int32_t)isTargetUCharDBCS; |
| |
| return; |
| } |
| |
| UChar32 T_UConverter_getNextUChar_EBCDIC_STATEFUL(UConverter* converter, |
| const char** source, |
| const char* sourceLimit, |
| UErrorCode* err) |
| { |
| UChar myUChar; |
| char const *sourceInitial = *source; |
| UConverterToUnicodeArgs args; |
| /*safe keeps a ptr to the beginning in case we need to step back*/ |
| |
| /*Input boundary check*/ |
| if ((*source)+1 > sourceLimit) |
| { |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| return 0xFFFD; |
| } |
| |
| args.sourceStart = *source; |
| /*Checks to see if with have SI/SO shifters |
| if we do we change the mode appropriately and we consume the byte*/ |
| if ((**source == UCNV_SI) || (**source == UCNV_SO)) |
| { |
| converter->mode = **source; |
| (*source)++; |
| |
| /*Rechecks boundary after consuming the shift sequence*/ |
| if ((*source)+1 > sourceLimit) |
| { |
| *err = U_INDEX_OUTOFBOUNDS_ERROR; |
| return 0xFFFD; |
| } |
| } |
| |
| if (converter->mode == UCNV_SI) |
| { |
| /*Not lead byte: we update the source ptr and get the codepoint*/ |
| myUChar = ucmp16_getu( (&converter->sharedData->table->dbcs.toUnicode), |
| (UChar)(**source)); |
| (*source)++; |
| } |
| else |
| { |
| /*Lead byte: we Build the codepoint and get the corresponding character |
| * and update the source ptr*/ |
| if ((*source + 2) > sourceLimit) |
| { |
| *err = U_TRUNCATED_CHAR_FOUND; |
| return 0xFFFD; |
| } |
| |
| myUChar = ucmp16_getu( (&converter->sharedData->table->dbcs.toUnicode), |
| ((UChar)((**source)) << 8) |((uint8_t)*((*source)+1))); |
| |
| (*source) += 2; |
| } |
| |
| if (myUChar != 0xFFFD) return myUChar; |
| else |
| { |
| /*rewinds source*/ |
| const char* sourceFinal = *source; |
| UChar* myUCharPtr = &myUChar; |
| |
| *err = U_INVALID_CHAR_FOUND; |
| *source = sourceInitial; |
| |
| /*It's is very likely that the ErrorFunctor will write to the |
| *internal buffers */ |
| args.converter = converter; |
| args.pTarget = &myUCharPtr; |
| args.targetLimit = myUCharPtr + 1; |
| args.pSource = &sourceFinal; |
| args.sourceLimit = sourceLimit; |
| args.flush = TRUE; |
| args.offsets = NULL; |
| args.size = sizeof(args); |
| |
| converter->fromCharErrorBehaviour(converter->toUContext, |
| &args, |
| sourceFinal, |
| 1, |
| UCNV_UNASSIGNED, |
| err); |
| |
| /*makes the internal caching transparent to the user*/ |
| if (*err == U_INDEX_OUTOFBOUNDS_ERROR) *err = U_ZERO_ERROR; |
| |
| return myUChar; |
| } |
| } |
| |
| static const UConverterImpl _EBCDICStatefulImpl={ |
| UCNV_EBCDIC_STATEFUL, |
| |
| _DBCSLoad, |
| _DBCSUnload, |
| |
| NULL, |
| NULL, |
| NULL, |
| |
| T_UConverter_toUnicode_EBCDIC_STATEFUL, |
| T_UConverter_toUnicode_EBCDIC_STATEFUL_OFFSETS_LOGIC, |
| T_UConverter_fromUnicode_EBCDIC_STATEFUL, |
| T_UConverter_fromUnicode_EBCDIC_STATEFUL_OFFSETS_LOGIC, |
| T_UConverter_getNextUChar_EBCDIC_STATEFUL, |
| |
| NULL |
| }; |
| |
| /* Static data is in tools/makeconv/ucnvstat.c for data-based |
| * converters. Be sure to update it as well. |
| */ |
| |
| const UConverterSharedData _EBCDICStatefulData={ |
| sizeof(UConverterSharedData), 1, |
| NULL, NULL, NULL, FALSE, &_EBCDICStatefulImpl, |
| 0 |
| }; |