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ICU-5275 fix bug

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X-SVN-Rev: 20070
This commit is contained in:
Ram Viswanadha 2006-08-15 23:20:55 +00:00
parent bb0c997013
commit 16c62819ab
1 changed files with 39 additions and 21 deletions
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24
icu4c/source/common/ucnvisci.c
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@ -70,7 +70,7 @@ typedef enum {
/**
* Enumeration for switching code pages if <ATX>+<one of below values>
* Enumeration for switching code pages if <ATR>+<one of below values>
* is encountered
*/
typedef enum {
@ -116,6 +116,7 @@ typedef struct{
MaskEnum currentMaskToUnicode; /* mask for current state in toUnicode */
MaskEnum defMaskToUnicode; /* mask for default state in toUnicode */
UBool isFirstBuffer; /* boolean for fromUnicode to see if we need to announce the first script */
UBool resetToDefaultToUnicode; /* boolean for reseting to default delta and mask when a newline is encountered*/
char name[30];
}UConverterDataISCII;
@ -141,6 +142,7 @@ _ISCIIOpen(UConverter *cnv, const char *name,const char *locale,uint32_t options
converterData->contextCharToUnicode=NO_CHAR_MARKER;
cnv->toUnicodeStatus = missingCharMarker;
converterData->contextCharFromUnicode=0x0000;
converterData->resetToDefaultToUnicode=FALSE;
/* check if the version requested is supported */
if((options & UCNV_OPTIONS_VERSION_MASK) < 9){
/* initialize state variables */
@ -201,6 +203,7 @@ _ISCIIReset(UConverter *cnv, UConverterResetChoice choice){
data->currentMaskFromUnicode=data->defDeltaToUnicode;
data->currentDeltaFromUnicode=data->defDeltaToUnicode;
data->isFirstBuffer=TRUE;
data->resetToDefaultToUnicode=FALSE;
}
}
@ -995,8 +998,10 @@ static const int32_t lookupTable[][2]={
{ BENGALI, BNG_MASK },
{ ORIYA, ORI_MASK },
{ KANNADA, KND_MASK },
{ MALAYALAM, MLM_MASK },
{ GUJARATI, GJR_MASK },
{ GURMUKHI, PNJ_MASK },
{ GURMUKHI, PNJ_MASK }
};
#define WRITE_TO_TARGET_TO_U(args,source,target,offsets,offset,targetUniChar,delta, err){\
@ -1198,6 +1203,14 @@ UConverter_toUnicode_ISCII_OFFSETS_LOGIC(UConverterToUnicodeArgs *args,
*contextCharToUnicode = sourceChar;
}
break;
case 0x0A:
/* fall through */
case 0x0D:
data->resetToDefaultToUnicode = TRUE;
GET_MAPPING(sourceChar,targetUniChar,data);
*contextCharToUnicode = sourceChar;
break;
case ISCII_NUKTA:
/* handle soft halant */
if(*contextCharToUnicode == ISCII_HALANT){
@ -1219,7 +1232,7 @@ UConverter_toUnicode_ISCII_OFFSETS_LOGIC(UConverterToUnicodeArgs *args,
if(found){
/* find out if the mapping is valid in this state */
if(validityTable[(uint8_t)targetUniChar] & data->currentMaskToUnicode){
targetUniChar += data->currentDeltaToUnicode ;
/*targetUniChar += data->currentDeltaToUnicode ;*/
*contextCharToUnicode= NO_CHAR_MARKER;
*toUnicodeStatus = missingCharMarker;
break;
@ -1246,6 +1259,11 @@ UConverter_toUnicode_ISCII_OFFSETS_LOGIC(UConverterToUnicodeArgs *args,
if(targetUniChar != missingCharMarker ){
/* now save the targetUniChar for delayed write */
*toUnicodeStatus = (UChar) targetUniChar;
if(data->resetToDefaultToUnicode==TRUE){
data->currentDeltaToUnicode = data->defDeltaToUnicode;
data->currentMaskToUnicode = data->defMaskToUnicode;
data->resetToDefaultToUnicode=FALSE;
}
}else{
/* we reach here only if targetUniChar == missingCharMarker