2000-02-05 00:19:15 +00:00
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/*
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**********************************************************************
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* Copyright (C) 2000, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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2000-02-07 17:35:21 +00:00
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* file name: ucnv2022.cpp
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2000-02-05 00:19:15 +00:00
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* encoding: US-ASCII
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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: 2000feb03
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* created by: Markus W. Scherer
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*/
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#include "unicode/utypes.h"
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#include "cmemory.h"
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#include "ucmp16.h"
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#include "ucmp8.h"
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#include "unicode/ucnv_bld.h"
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#include "unicode/ucnv.h"
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#include "ucnv_cnv.h"
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/* ISO-2022 ----------------------------------------------------------------- */
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void T_UConverter_fromUnicode_UTF8 (UConverter * converter,
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char **target,
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const char *targetLimit,
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const UChar ** source,
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const UChar * sourceLimit,
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int32_t* offsets,
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2000-05-18 22:08:39 +00:00
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UBool flush,
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2000-02-05 00:19:15 +00:00
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UErrorCode * err);
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void T_UConverter_fromUnicode_UTF8_OFFSETS_LOGIC (UConverter * converter,
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char **target,
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const char *targetLimit,
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const UChar ** source,
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const UChar * sourceLimit,
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int32_t* offsets,
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2000-05-18 22:08:39 +00:00
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UBool flush,
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2000-02-05 00:19:15 +00:00
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UErrorCode * err);
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#define ESC_2022 0x1B /*ESC*/
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typedef enum
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{
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INVALID_2022 = -1, /*Doesn't correspond to a valid iso 2022 escape sequence*/
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VALID_NON_TERMINAL_2022 = 0, /*so far corresponds to a valid iso 2022 escape sequence*/
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VALID_TERMINAL_2022 = 1, /*corresponds to a valid iso 2022 escape sequence*/
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VALID_MAYBE_TERMINAL_2022 = 2 /*so far matches one iso 2022 escape sequence, but by adding more characters might match another escape sequence*/
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} UCNV_TableStates_2022;
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/*Below are the 3 arrays depicting a state transition table*/
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int8_t normalize_esq_chars_2022[256] = {
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0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,1 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,4 ,7 ,0 ,0
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,2 ,0 ,0 ,0 ,0 ,3 ,0 ,6 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,5 ,8 ,9 ,10 ,11 ,12
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,13 ,14 ,15 ,16 ,17 ,18 ,19 ,20 ,0 ,0
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,0 ,0 ,21 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,22 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0 ,0
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,0 ,0 ,0 ,0 ,0 ,0};
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#define MAX_STATES_2022 54
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int32_t escSeqStateTable_Key_2022[MAX_STATES_2022] = {
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1 ,34 ,36 ,39 ,1093 ,1096 ,1097 ,1098 ,1099 ,1100
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,1101 ,1102 ,1103 ,1104 ,1105 ,1106 ,1109 ,1154 ,1157 ,1160
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,1161 ,1254 ,1257 ,35105 ,36933 ,36936 ,36937 ,36938 ,36939 ,36940
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,36942 ,36943 ,36944 ,36945 ,36946 ,36947 ,36948 ,40133 ,40136 ,40138
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,40139 ,40140 ,40141 ,1123363 ,35947624 ,35947625 ,35947626 ,35947627 ,35947629 ,35947630
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,35947631 ,35947635 ,35947636 ,35947638};
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const char* escSeqStateTable_Result_2022[MAX_STATES_2022] = {
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NULL ,NULL ,NULL ,NULL ,"latin1" ,"latin1" ,"latin1" ,"ibm-865" ,"ibm-865" ,"ibm-865"
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,"ibm-865" ,"ibm-865" ,"ibm-865" ,"ibm-895" ,"ibm-943" ,"latin1" ,"latin1" ,NULL ,"ibm-955" ,"ibm-367"
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,"ibm-952" ,NULL ,"UTF8" ,NULL ,"ibm-955" ,"bm-367" ,"ibm-952" ,"ibm-949" ,"ibm-953" ,"ibm-1383"
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,"ibm-952" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"ibm-964" ,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian"
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,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian" ,"UTF16_PlatformEndian" ,NULL ,"latin1" ,"ibm-912" ,"ibm-913" ,"ibm-914" ,"ibm-813" ,"ibm-1089"
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,"ibm-920" ,"ibm-915" ,"ibm-915" ,"latin1"};
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UCNV_TableStates_2022 escSeqStateTable_Value_2022[MAX_STATES_2022] = {
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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
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,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
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,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
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,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
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,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
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,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022 ,VALID_TERMINAL_2022};
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/*for 2022 looks ahead in the stream
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*to determine the longest possible convertible
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*data stream*/
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static const char* getEndOfBuffer_2022(const char* source,
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const char* sourceLimit,
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2000-05-18 22:08:39 +00:00
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UBool flush);
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2000-02-05 00:19:15 +00:00
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/*runs through a state machine to determine the escape sequence - codepage correspondance
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*changes the pointer pointed to be _this->extraInfo*/
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static void changeState_2022(UConverter* _this,
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const char** source,
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const char* sourceLimit,
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2000-05-18 22:08:39 +00:00
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UBool flush,
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2000-02-05 00:19:15 +00:00
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UErrorCode* err);
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UCNV_TableStates_2022 getKey_2022(char source,
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int32_t* key,
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int32_t* offset);
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2000-02-08 23:41:16 +00:00
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static void
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_ISO2022Open(UConverter *cnv, const char *name, const char *locale, UErrorCode *errorCode) {
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cnv->charErrorBufferLength = 3;
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cnv->charErrorBuffer[0] = 0x1b;
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cnv->charErrorBuffer[1] = 0x25;
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cnv->charErrorBuffer[2] = 0x42;
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cnv->extraInfo = uprv_malloc (sizeof (UConverterDataISO2022));
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if(cnv->extraInfo != NULL) {
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((UConverterDataISO2022 *) cnv->extraInfo)->currentConverter = NULL;
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((UConverterDataISO2022 *) cnv->extraInfo)->escSeq2022Length = 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
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_ISO2022Close(UConverter *converter) {
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2000-02-09 19:15:17 +00:00
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if (converter->extraInfo != NULL) {
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2000-02-08 23:41:16 +00:00
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ucnv_close (((UConverterDataISO2022 *) (converter->extraInfo))->currentConverter);
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uprv_free (converter->extraInfo);
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}
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}
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static void
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_ISO2022Reset(UConverter *converter) {
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if (converter->mode == UCNV_SO)
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{
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converter->charErrorBufferLength = 3;
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converter->charErrorBuffer[0] = 0x1b;
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converter->charErrorBuffer[1] = 0x25;
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converter->charErrorBuffer[2] = 0x42;
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ucnv_close (((UConverterDataISO2022 *) (converter->extraInfo))->currentConverter);
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((UConverterDataISO2022 *) (converter->extraInfo))->currentConverter = NULL;
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((UConverterDataISO2022 *) (converter->extraInfo))->escSeq2022Length = 0;
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converter->mode = UCNV_SI;
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}
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}
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2000-04-13 23:00:43 +00:00
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static void T_UConverter_fromUnicode_ISO_2022(UConverter* _this,
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2000-02-05 00:19:15 +00:00
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char** target,
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const char* targetLimit,
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const UChar** source,
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const UChar* sourceLimit,
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int32_t *offsets,
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2000-05-18 22:08:39 +00:00
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UBool flush,
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2000-02-05 00:19:15 +00:00
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UErrorCode* err)
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{
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char const* targetStart = *target;
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T_UConverter_fromUnicode_UTF8(_this,
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target,
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targetLimit,
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source,
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sourceLimit,
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NULL,
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flush,
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err);
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}
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2000-04-13 23:00:43 +00:00
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static void T_UConverter_fromUnicode_ISO_2022_OFFSETS_LOGIC(UConverter* _this,
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2000-02-05 00:19:15 +00:00
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char** target,
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const char* targetLimit,
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const UChar** source,
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const UChar* sourceLimit,
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int32_t *offsets,
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2000-05-18 22:08:39 +00:00
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UBool flush,
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2000-02-05 00:19:15 +00:00
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UErrorCode* err)
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{
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char const* targetStart = *target;
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T_UConverter_fromUnicode_UTF8_OFFSETS_LOGIC(_this,
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target,
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targetLimit,
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source,
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sourceLimit,
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offsets,
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flush,
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err);
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{
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int32_t len = *target - targetStart;
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int32_t i;
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/* uprv_memmove(offsets+3, offsets, len); MEMMOVE SEEMS BROKEN --srl */
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for(i=len-1;i>=0;i--) offsets[i] = offsets[i];
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}
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}
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UCNV_TableStates_2022 getKey_2022(char c,
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int32_t* key,
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int32_t* offset)
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{
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int32_t togo = *key;
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int32_t low = 0;
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int32_t hi = MAX_STATES_2022;
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int32_t oldmid;
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if (*key == 0) togo = normalize_esq_chars_2022[c];
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else
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{
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togo <<= 5;
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togo += normalize_esq_chars_2022[c];
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}
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while (hi != low) /*binary search*/
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{
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register int32_t mid = (hi+low) >> 1; /*Finds median*/
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if (mid == oldmid) break;
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if (escSeqStateTable_Key_2022[mid] > togo) hi = mid;
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else if (escSeqStateTable_Key_2022[mid] < togo) low = mid;
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else /*we found it*/
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{
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*key = togo;
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*offset = mid;
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#ifdef Debug
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printf("found at @ %d\n", mid);
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#endif /*Debug*/
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return escSeqStateTable_Value_2022[mid];
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}
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oldmid = mid;
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}
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#ifdef Debug
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printf("Could not find \"%d\" for %X\n", togo, c);
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#endif /*Debug*/
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*key = 0;
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*offset = 0;
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return INVALID_2022;
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}
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void changeState_2022(UConverter* _this,
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const char** source,
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const char* sourceLimit,
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2000-05-18 22:08:39 +00:00
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UBool flush,
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2000-02-05 00:19:15 +00:00
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UErrorCode* err)
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{
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UConverter* myUConverter;
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uint32_t key = _this->toUnicodeStatus;
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UCNV_TableStates_2022 value;
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UConverterDataISO2022* myData2022 = ((UConverterDataISO2022*)_this->extraInfo);
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const char* chosenConverterName = NULL;
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int32_t offset;
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/*Close the old Converter*/
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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,
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool flush)
|
2000-02-05 00:19:15 +00:00
|
|
|
{
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2000-04-13 23:00:43 +00:00
|
|
|
static void T_UConverter_toUnicode_ISO_2022(UConverter* _this,
|
2000-02-05 00:19:15 +00:00
|
|
|
UChar** target,
|
|
|
|
|
const UChar* targetLimit,
|
|
|
|
|
const char** source,
|
|
|
|
|
const char* sourceLimit,
|
|
|
|
|
int32_t *offsets,
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool flush,
|
2000-02-05 00:19:15 +00:00
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
2000-04-13 23:00:43 +00:00
|
|
|
static void T_UConverter_toUnicode_ISO_2022_OFFSETS_LOGIC(UConverter* _this,
|
2000-02-05 00:19:15 +00:00
|
|
|
UChar** target,
|
|
|
|
|
const UChar* targetLimit,
|
|
|
|
|
const char** source,
|
|
|
|
|
const char* sourceLimit,
|
|
|
|
|
int32_t *offsets,
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool flush,
|
2000-02-05 00:19:15 +00:00
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
2000-04-13 23:00:43 +00:00
|
|
|
static UChar32 T_UConverter_getNextUChar_ISO_2022(UConverter* converter,
|
2000-02-05 00:19:15 +00:00
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
2000-02-09 19:15:17 +00:00
|
|
|
static const UConverterImpl _ISO2022Impl={
|
2000-02-05 00:19:15 +00:00
|
|
|
UCNV_ISO_2022,
|
|
|
|
|
|
2000-02-08 23:41:16 +00:00
|
|
|
NULL,
|
|
|
|
|
NULL,
|
|
|
|
|
|
|
|
|
|
_ISO2022Open,
|
|
|
|
|
_ISO2022Close,
|
|
|
|
|
_ISO2022Reset,
|
|
|
|
|
|
2000-02-05 00:19:15 +00:00
|
|
|
T_UConverter_toUnicode_ISO_2022,
|
|
|
|
|
T_UConverter_toUnicode_ISO_2022_OFFSETS_LOGIC,
|
|
|
|
|
T_UConverter_fromUnicode_ISO_2022,
|
|
|
|
|
T_UConverter_fromUnicode_ISO_2022_OFFSETS_LOGIC,
|
2000-02-09 19:15:17 +00:00
|
|
|
T_UConverter_getNextUChar_ISO_2022,
|
|
|
|
|
|
|
|
|
|
NULL
|
2000-02-05 00:19:15 +00:00
|
|
|
};
|
|
|
|
|
|
2000-04-19 23:05:27 +00:00
|
|
|
const UConverterStaticData _ISO2022StaticData={
|
|
|
|
|
sizeof(UConverterStaticData),
|
|
|
|
|
"ISO_2022",
|
|
|
|
|
2022, UCNV_IBM, UCNV_ISO_2022, 1, 4,
|
2000-05-12 19:59:03 +00:00
|
|
|
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 */
|
2000-04-19 23:05:27 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
2000-04-13 23:00:43 +00:00
|
|
|
const UConverterSharedData _ISO2022Data={
|
2000-03-29 21:41:11 +00:00
|
|
|
sizeof(UConverterSharedData), ~((uint32_t) 0),
|
2000-04-19 23:05:27 +00:00
|
|
|
NULL, NULL, &_ISO2022StaticData, FALSE, &_ISO2022Impl,
|
|
|
|
|
0
|
2000-02-05 00:19:15 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* EBCDICStateful ----------------------------------------------------------- */
|
|
|
|
|
|
2000-02-08 23:41:16 +00:00
|
|
|
U_CFUNC void
|
|
|
|
|
_DBCSLoad(UConverterSharedData *sharedData, const uint8_t *raw, UErrorCode *pErrorCode);
|
|
|
|
|
|
|
|
|
|
U_CFUNC void
|
|
|
|
|
_DBCSUnload(UConverterSharedData *sharedData);
|
|
|
|
|
|
2000-02-05 00:19:15 +00:00
|
|
|
void T_UConverter_toUnicode_EBCDIC_STATEFUL (UConverter * _this,
|
|
|
|
|
UChar ** target,
|
|
|
|
|
const UChar * targetLimit,
|
|
|
|
|
const char **source,
|
|
|
|
|
const char *sourceLimit,
|
|
|
|
|
int32_t *offsets,
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool flush,
|
2000-02-05 00:19:15 +00:00
|
|
|
UErrorCode * err)
|
|
|
|
|
{
|
|
|
|
|
const char *mySource = *source;
|
|
|
|
|
UChar *myTarget = *target;
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
|
2000-04-19 23:05:27 +00:00
|
|
|
myToUnicode = &_this->sharedData->table->dbcs.toUnicode;
|
2000-02-05 00:19:15 +00:00
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
ToU_CALLBACK_MACRO(_this,
|
|
|
|
|
myTarget,
|
|
|
|
|
myTargetIndex,
|
|
|
|
|
targetLimit,
|
|
|
|
|
mySource,
|
|
|
|
|
mySourceIndex,
|
|
|
|
|
sourceLimit,
|
|
|
|
|
offsets,
|
|
|
|
|
flush,
|
|
|
|
|
err);
|
|
|
|
|
|
|
|
|
|
if (U_FAILURE (*err)) break;
|
|
|
|
|
_this->invalidCharLength = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
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,
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool flush,
|
2000-02-05 00:19:15 +00:00
|
|
|
UErrorCode * err)
|
|
|
|
|
{
|
|
|
|
|
const char *mySource = *source;
|
|
|
|
|
UChar *myTarget = *target;
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
|
2000-04-19 23:05:27 +00:00
|
|
|
myToUnicode = &_this->sharedData->table->dbcs.toUnicode;
|
2000-02-05 00:19:15 +00:00
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
ToU_CALLBACK_OFFSETS_LOGIC_MACRO(_this,
|
|
|
|
|
myTarget,
|
|
|
|
|
myTargetIndex,
|
|
|
|
|
targetLimit,
|
|
|
|
|
mySource,
|
|
|
|
|
mySourceIndex,
|
|
|
|
|
sourceLimit,
|
|
|
|
|
offsets,
|
|
|
|
|
flush,
|
|
|
|
|
err);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (U_FAILURE (*err)) break;
|
|
|
|
|
_this->invalidCharLength = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
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,
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool flush,
|
2000-02-05 00:19:15 +00:00
|
|
|
UErrorCode * err)
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
const UChar *mySource = *source;
|
|
|
|
|
char *myTarget = *target;
|
|
|
|
|
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;
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool isTargetUCharDBCS = (UBool)_this->fromUnicodeStatus;
|
|
|
|
|
UBool oldIsTargetUCharDBCS = isTargetUCharDBCS;
|
2000-04-19 23:05:27 +00:00
|
|
|
myFromUnicode = &_this->sharedData->table->dbcs.fromUnicode;
|
2000-02-05 00:19:15 +00:00
|
|
|
|
|
|
|
|
/*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;
|
|
|
|
|
FromU_CALLBACK_MACRO(_this,
|
|
|
|
|
myTarget,
|
|
|
|
|
myTargetIndex,
|
|
|
|
|
targetLimit,
|
|
|
|
|
mySource,
|
|
|
|
|
mySourceIndex,
|
|
|
|
|
sourceLimit,
|
|
|
|
|
offsets,
|
|
|
|
|
flush,
|
|
|
|
|
err);
|
|
|
|
|
|
|
|
|
|
if (U_FAILURE (*err)) break;
|
|
|
|
|
_this->invalidUCharLength = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
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,
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool flush,
|
2000-02-05 00:19:15 +00:00
|
|
|
UErrorCode * err)
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
const UChar *mySource = *source;
|
|
|
|
|
char *myTarget = *target;
|
|
|
|
|
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;
|
2000-05-18 22:08:39 +00:00
|
|
|
UBool isTargetUCharDBCS = (UBool)_this->fromUnicodeStatus;
|
|
|
|
|
UBool oldIsTargetUCharDBCS = isTargetUCharDBCS;
|
2000-02-05 00:19:15 +00:00
|
|
|
int32_t* originalOffsets = offsets;
|
|
|
|
|
|
2000-04-19 23:05:27 +00:00
|
|
|
myFromUnicode = &_this->sharedData->table->dbcs.fromUnicode;
|
2000-02-05 00:19:15 +00:00
|
|
|
|
|
|
|
|
/*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;
|
|
|
|
|
FromU_CALLBACK_OFFSETS_LOGIC_MACRO(_this,
|
|
|
|
|
myTarget,
|
|
|
|
|
myTargetIndex,
|
|
|
|
|
targetLimit,
|
|
|
|
|
mySource,
|
|
|
|
|
mySourceIndex,
|
|
|
|
|
sourceLimit,
|
|
|
|
|
offsets,
|
|
|
|
|
flush,
|
|
|
|
|
err);
|
|
|
|
|
|
|
|
|
|
if (U_FAILURE (*err)) break;
|
|
|
|
|
_this->invalidUCharLength = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
*err = U_INDEX_OUTOFBOUNDS_ERROR;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
*target += myTargetIndex;
|
|
|
|
|
*source += mySourceIndex;;
|
|
|
|
|
|
|
|
|
|
_this->fromUnicodeStatus = (int32_t)isTargetUCharDBCS;
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2000-04-13 17:27:35 +00:00
|
|
|
UChar32 T_UConverter_getNextUChar_EBCDIC_STATEFUL(UConverter* converter,
|
2000-02-05 00:19:15 +00:00
|
|
|
const char** source,
|
|
|
|
|
const char* sourceLimit,
|
|
|
|
|
UErrorCode* err)
|
|
|
|
|
{
|
|
|
|
|
UChar myUChar;
|
|
|
|
|
char const *sourceInitial = *source;
|
|
|
|
|
/*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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*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*/
|
2000-04-19 23:05:27 +00:00
|
|
|
myUChar = ucmp16_getu( (&converter->sharedData->table->dbcs.toUnicode),
|
2000-02-05 00:19:15 +00:00
|
|
|
(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;
|
|
|
|
|
}
|
|
|
|
|
|
2000-04-19 23:05:27 +00:00
|
|
|
myUChar = ucmp16_getu( (&converter->sharedData->table->dbcs.toUnicode),
|
2000-02-05 00:19:15 +00:00
|
|
|
((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 */
|
|
|
|
|
converter->fromCharErrorBehaviour(converter,
|
|
|
|
|
&myUCharPtr,
|
|
|
|
|
myUCharPtr + 1,
|
|
|
|
|
&sourceFinal,
|
|
|
|
|
sourceLimit,
|
|
|
|
|
NULL,
|
|
|
|
|
TRUE,
|
|
|
|
|
err);
|
|
|
|
|
|
|
|
|
|
/*makes the internal caching transparent to the user*/
|
|
|
|
|
if (*err == U_INDEX_OUTOFBOUNDS_ERROR) *err = U_ZERO_ERROR;
|
|
|
|
|
|
|
|
|
|
return myUChar;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2000-02-09 19:15:17 +00:00
|
|
|
static const UConverterImpl _EBCDICStatefulImpl={
|
2000-02-05 00:19:15 +00:00
|
|
|
UCNV_EBCDIC_STATEFUL,
|
|
|
|
|
|
2000-02-08 23:41:16 +00:00
|
|
|
_DBCSLoad,
|
|
|
|
|
_DBCSUnload,
|
|
|
|
|
|
|
|
|
|
NULL,
|
|
|
|
|
NULL,
|
|
|
|
|
NULL,
|
|
|
|
|
|
2000-02-05 00:19:15 +00:00
|
|
|
T_UConverter_toUnicode_EBCDIC_STATEFUL,
|
|
|
|
|
T_UConverter_toUnicode_EBCDIC_STATEFUL_OFFSETS_LOGIC,
|
|
|
|
|
T_UConverter_fromUnicode_EBCDIC_STATEFUL,
|
|
|
|
|
T_UConverter_fromUnicode_EBCDIC_STATEFUL_OFFSETS_LOGIC,
|
2000-02-09 19:15:17 +00:00
|
|
|
T_UConverter_getNextUChar_EBCDIC_STATEFUL,
|
|
|
|
|
|
|
|
|
|
NULL
|
2000-02-05 00:19:15 +00:00
|
|
|
};
|
|
|
|
|
|
2000-04-20 19:42:36 +00:00
|
|
|
/* Static data is in tools/makeconv/ucnvstat.c for data-based
|
|
|
|
|
* converters. Be sure to update it as well.
|
|
|
|
|
*/
|
2000-04-19 23:05:27 +00:00
|
|
|
|
2000-04-13 23:00:43 +00:00
|
|
|
const UConverterSharedData _EBCDICStatefulData={
|
2000-02-05 00:19:15 +00:00
|
|
|
sizeof(UConverterSharedData), 1,
|
2000-04-20 19:42:36 +00:00
|
|
|
NULL, NULL, NULL, FALSE, &_EBCDICStatefulImpl,
|
2000-04-19 23:05:27 +00:00
|
|
|
0
|
2000-02-05 00:19:15 +00:00
|
|
|
};
|
