Esempio n. 1
0
// returns the length of the label excluding the separator
// if *limit == separator then the length returned does not include
// the separtor.
static inline int32_t
getNextSeparator(UChar *src, int32_t srcLength,
                 UChar **limit, UBool *done){
    if(srcLength == -1){
        int32_t i;
        for(i=0 ; ;i++){
            if(src[i] == 0){
                *limit = src + i; // point to null
                *done = TRUE;
                return i;
            }
            if(isLabelSeparator(src[i])){
                *limit = src + (i+1); // go past the delimiter
                return i;

            }
        }
    }else{
        int32_t i;
        for(i=0;i<srcLength;i++){
            if(isLabelSeparator(src[i])){
                *limit = src + (i+1); // go past the delimiter
                return i;
            }
        }
        // we have not found the delimiter
        // if(i==srcLength)
        *limit = src+srcLength;
        *done = TRUE;

        return i;
    }
}
static jstring NativeIDN_convertImpl(JNIEnv* env, jclass, jstring javaSrc, jint flags, jboolean toAscii) {
    ScopedStringChars src(env, javaSrc);
    if (src.get() == NULL) {
        return NULL;
    }
    UChar dst[256];
    UErrorCode status = U_ZERO_ERROR;
    size_t resultLength = toAscii
        ? uidna_IDNToASCII(src.get(), src.size(), &dst[0], sizeof(dst), flags, NULL, &status)
        : uidna_IDNToUnicode(src.get(), src.size(), &dst[0], sizeof(dst), flags, NULL, &status);
    if (U_FAILURE(status)) {
        jniThrowException(env, "java/lang/IllegalArgumentException", u_errorName(status));
        return NULL;
    }
    if (!toAscii) {
        // ICU only translates separators to ASCII for toASCII.
        // Java expects the translation for toUnicode too.
        // We may as well do this here, while the string is still mutable.
        for (size_t i = 0; i < resultLength; ++i) {
            if (isLabelSeparator(dst[i])) {
                dst[i] = '.';
            }
        }
    }
    return env->NewString(&dst[0], resultLength);
}