U_CAPI int32_t U_EXPORT2
uidna_toUnicode(const UChar* src, int32_t srcLength,
                UChar* dest, int32_t destCapacity,
                int32_t options,
                UParseError* parseError,
                UErrorCode* status){

    if(status == NULL || U_FAILURE(*status)){
        return 0;
    }
    if( (src==NULL) || (srcLength < -1) || (destCapacity<0) || (!dest && destCapacity > 0)){
        *status = U_ILLEGAL_ARGUMENT_ERROR;
        return 0;
    }  

    UStringPrepProfile* nameprep = usprep_open(NULL, DATA_FILE_NAME, status);
    
    if(U_FAILURE(*status)){
        return -1;
    }
    
    int32_t retLen = _internal_toUnicode(src, srcLength, dest, destCapacity, options, nameprep, parseError, status);

    usprep_close(nameprep);
    
    return retLen;
}
예제 #2
0
파일: usprep.cpp 프로젝트: basti1302/node
U_CAPI UStringPrepProfile* U_EXPORT2
usprep_openByType(UStringPrepProfileType type,
				  UErrorCode* status) {
    if(status == NULL || U_FAILURE(*status)){
        return NULL;
    }
    int32_t index = (int32_t)type;
    if (index < 0 || index >= UPRV_LENGTHOF(PROFILE_NAMES)) {
        *status = U_ILLEGAL_ARGUMENT_ERROR;
        return NULL;
    }
    return usprep_open(NULL, PROFILE_NAMES[index], status);
}
U_CAPI int32_t U_EXPORT2
uidna_IDNToUnicode(  const UChar* src, int32_t srcLength,
                     UChar* dest, int32_t destCapacity,
                     int32_t options,
                     UParseError* parseError,
                     UErrorCode* status){
    
    if(status == NULL || U_FAILURE(*status)){
        return 0;
    }
    if((src==NULL) || (srcLength < -1) || (destCapacity<0) || (!dest && destCapacity > 0)){
        *status = U_ILLEGAL_ARGUMENT_ERROR;
        return 0;
    }

    int32_t reqLength = 0;

    UStringPrepProfile* nameprep = usprep_open(NULL, DATA_FILE_NAME, status);
    
    if(U_FAILURE(*status)){
        return 0;
    }

    //initialize pointers
    UChar *delimiter = (UChar*)src;
    UChar *labelStart = (UChar*)src;
    UChar *currentDest = (UChar*) dest;
    int32_t remainingLen = srcLength;
    int32_t remainingDestCapacity = destCapacity;
    int32_t labelLen = 0, labelReqLength = 0;
    UBool done = FALSE;

    for(;;){

        labelLen = getNextSeparator(labelStart,remainingLen, &delimiter,&done);
        
        // The RFC states that 
        // <quote>
        // ToUnicode never fails. If any step fails, then the original input
        // is returned immediately in that step.
        // </quote>
        // _internal_toUnicode will copy the label.
        /*if(labelLen==0 && done==FALSE){ 
            *status = U_IDNA_ZERO_LENGTH_LABEL_ERROR;
            break;
        }*/
        
        labelReqLength = _internal_toUnicode(labelStart, labelLen, 
                                             currentDest, remainingDestCapacity, 
                                             options, nameprep, 
                                             parseError, status);

        if(*status == U_BUFFER_OVERFLOW_ERROR){
            *status = U_ZERO_ERROR; // reset error
            remainingDestCapacity = 0;
        }

        if(U_FAILURE(*status)){
            break;
        }
        
        reqLength +=labelReqLength;
        // adjust the destination pointer
        if(labelReqLength < remainingDestCapacity){
            currentDest = currentDest + labelReqLength;
            remainingDestCapacity -= labelReqLength;
        }else{
            // should never occur
            remainingDestCapacity = 0;
        }

        if(done == TRUE){
            break;
        }

        // add the label separator
        // Unlike the ToASCII operation we don't normalize the label separators
        if(remainingDestCapacity > 0){
            *currentDest++ = *(labelStart + labelLen);
            remainingDestCapacity--;
        }
        reqLength++;

        labelStart = delimiter;
        if(remainingLen >0 ){
            remainingLen = (int32_t)(srcLength - (delimiter - src));
        }

    }

    if(reqLength > MAX_DOMAIN_NAME_LENGTH){
        *status = U_IDNA_DOMAIN_NAME_TOO_LONG_ERROR;
    }

    usprep_close(nameprep);
    
    return u_terminateUChars(dest, destCapacity, reqLength, status);
}
U_CAPI int32_t U_EXPORT2
uidna_IDNToASCII(  const UChar *src, int32_t srcLength,
                   UChar* dest, int32_t destCapacity,
                   int32_t options,
                   UParseError *parseError,
                   UErrorCode *status){

    if(status == NULL || U_FAILURE(*status)){
        return 0;
    }
    if((src==NULL) || (srcLength < -1) || (destCapacity<0) || (!dest && destCapacity > 0)){
        *status = U_ILLEGAL_ARGUMENT_ERROR;
        return 0;
    }

    int32_t reqLength = 0;

    UStringPrepProfile* nameprep = usprep_open(NULL, DATA_FILE_NAME, status);
    
    if(U_FAILURE(*status)){
        return 0;
    }

    //initialize pointers 
    UChar *delimiter = (UChar*)src;
    UChar *labelStart = (UChar*)src;
    UChar *currentDest = (UChar*) dest;
    int32_t remainingLen = srcLength;
    int32_t remainingDestCapacity = destCapacity;
    int32_t labelLen = 0, labelReqLength = 0;
    UBool done = FALSE;


    for(;;){

        labelLen = getNextSeparator(labelStart,remainingLen, &delimiter,&done);
        labelReqLength = 0;
        if(!(labelLen==0 && done)){// make sure this is not a root label separator.
        
            labelReqLength = _internal_toASCII( labelStart, labelLen, 
                                                currentDest, remainingDestCapacity, 
                                                options, nameprep, 
                                                parseError, status);
    
            if(*status == U_BUFFER_OVERFLOW_ERROR){
                
                *status = U_ZERO_ERROR; // reset error
                remainingDestCapacity = 0;
            }
        }

    
        if(U_FAILURE(*status)){
            break;
        }
        
        reqLength +=labelReqLength;
        // adjust the destination pointer
        if(labelReqLength < remainingDestCapacity){
            currentDest = currentDest + labelReqLength;
            remainingDestCapacity -= labelReqLength;
        }else{
            // should never occur
            remainingDestCapacity = 0;
        }

        if(done == TRUE){
            break;
        }

        // add the label separator
        if(remainingDestCapacity > 0){
            *currentDest++ = FULL_STOP;
            remainingDestCapacity--;
        }
        reqLength++;

        labelStart = delimiter;
        if(remainingLen >0 ){
            remainingLen = (int32_t)(srcLength - (delimiter - src));
        }

    }

    if(reqLength > MAX_DOMAIN_NAME_LENGTH){
        *status = U_IDNA_DOMAIN_NAME_TOO_LONG_ERROR;
    }

    usprep_close(nameprep);
    
    return u_terminateUChars(dest, destCapacity, reqLength, status);
}
extern int
testData(TestIDNA& test) {
    char *basename=NULL;
    UErrorCode errorCode=U_ZERO_ERROR;
    char *saveBasename =NULL;

    profile = usprep_open(NULL, DATA_NAME, &errorCode);
    if(U_FAILURE(errorCode)){
        test.errln("Failed to load IDNA data file. " + UnicodeString(u_errorName(errorCode)));
        return errorCode;
    }
    
    char* filename = (char*) malloc(strlen(IntlTest::pathToDataDirectory())*1024);
    //TODO get the srcDir dynamically 
    const char *srcDir=IntlTest::pathToDataDirectory();

    idnTrie     = &profile->sprepTrie;
    indexes     = profile->indexes;
    mappingData = profile->mappingData;

    //initialize
    pTestIDNA = &test;
    
    /* prepare the filename beginning with the source dir */
    if(uprv_strchr(srcDir,U_FILE_SEP_CHAR) == NULL){
        filename[0] = 0x2E;
        filename[1] = U_FILE_SEP_CHAR;
        uprv_strcpy(filename+2,srcDir);
    }else{
        uprv_strcpy(filename, srcDir);
    }
    basename=filename+uprv_strlen(filename);
    if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
        *basename++=U_FILE_SEP_CHAR;
    }

    /* process unassigned */
    basename=filename+uprv_strlen(filename);
    if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
        *basename++=U_FILE_SEP_CHAR;
    }
    
    /* first copy misc directory */
    saveBasename = basename;
    uprv_strcpy(basename,MISC_DIR);
    basename = basename + uprv_strlen(MISC_DIR);
    *basename++=U_FILE_SEP_CHAR;
    
    /* process unassigned */
    uprv_strcpy(basename,fileNames[0]);
    parseMappings(filename,TRUE, test,&errorCode);
    if(U_FAILURE(errorCode)) {
        test.errln( "Could not open file %s for reading \n", filename);
        return errorCode;
    }

    testAllCodepoints(test);

    usprep_close(profile);
    pTestIDNA = NULL;
    free(filename);
    return errorCode;
}