U_CAPI int32_t U_EXPORT2
unum_parseDecimal(const UNumberFormat* fmt,
const UChar* text,
int32_t textLength,
int32_t *parsePos /* 0 = start */,
char *outBuf,
int32_t outBufLength,
UErrorCode *status)
{
if (U_FAILURE(*status)) {
return -1;
}
if ((outBuf == NULL && outBufLength != 0) || outBufLength < 0) {
*status = U_ILLEGAL_ARGUMENT_ERROR;
return -1;
}
Formattable res;
parseRes(res, fmt, text, textLength, parsePos, status);
StringPiece sp = res.getDecimalNumber(*status);
if (U_FAILURE(*status)) {
return -1;
} else if (sp.size() > outBufLength) {
*status = U_BUFFER_OVERFLOW_ERROR;
} else if (sp.size() == outBufLength) {
uprv_strncpy(outBuf, sp.data(), sp.size());
*status = U_STRING_NOT_TERMINATED_WARNING;
} else {
U_ASSERT(outBufLength > 0);
uprv_strcpy(outBuf, sp.data());
}
return sp.size();
}
static jobject NativeDecimalFormat_parse(JNIEnv* env, jclass, jlong addr, jstring text,
jobject position, jboolean parseBigDecimal) {
static jmethodID gPP_getIndex = env->GetMethodID(JniConstants::parsePositionClass, "getIndex", "()I");
static jmethodID gPP_setIndex = env->GetMethodID(JniConstants::parsePositionClass, "setIndex", "(I)V");
static jmethodID gPP_setErrorIndex = env->GetMethodID(JniConstants::parsePositionClass, "setErrorIndex", "(I)V");
ScopedJavaUnicodeString src(env, text);
if (!src.valid()) {
return NULL;
}
// make sure the ParsePosition is valid. Actually icu4c would parse a number
// correctly even if the parsePosition is set to -1, but since the RI fails
// for that case we have to fail too
int parsePos = env->CallIntMethod(position, gPP_getIndex, NULL);
if (parsePos < 0 || parsePos > env->GetStringLength(text)) {
return NULL;
}
Formattable res;
ParsePosition pp(parsePos);
DecimalFormat* fmt = toDecimalFormat(addr);
fmt->parse(src.unicodeString(), res, pp);
if (pp.getErrorIndex() == -1) {
env->CallVoidMethod(position, gPP_setIndex, pp.getIndex());
} else {
env->CallVoidMethod(position, gPP_setErrorIndex, pp.getErrorIndex());
return NULL;
}
if (parseBigDecimal) {
UErrorCode status = U_ZERO_ERROR;
StringPiece str = res.getDecimalNumber(status);
if (U_SUCCESS(status)) {
int len = str.length();
const char* data = str.data();
if (strncmp(data, "NaN", 3) == 0 ||
strncmp(data, "Inf", 3) == 0 ||
strncmp(data, "-Inf", 4) == 0) {
double resultDouble = res.getDouble(status);
return doubleValueOf(env, resultDouble);
}
return newBigDecimal(env, data, len);
}
return NULL;
}
switch (res.getType()) {
case Formattable::kDouble: return doubleValueOf(env, res.getDouble());
case Formattable::kLong: return longValueOf(env, res.getLong());
case Formattable::kInt64: return longValueOf(env, res.getInt64());
default: return NULL;
}
}
void DecimalFormatTest::execParseTest(int32_t lineNum,
const UnicodeString &inputText,
const UnicodeString &expectedType,
const UnicodeString &expectedDecimal,
UErrorCode &status) {
if (U_FAILURE(status)) {
return;
}
DecimalFormatSymbols symbols(Locale::getUS(), status);
UnicodeString pattern = UNICODE_STRING_SIMPLE("####");
DecimalFormat format(pattern, symbols, status);
Formattable result;
if (U_FAILURE(status)) {
errln("file dcfmtest.txt, line %d: %s error creating the formatter.",
lineNum, u_errorName(status));
return;
}
ParsePosition pos;
int32_t expectedParseEndPosition = inputText.length();
format.parse(inputText, result, pos);
if (expectedParseEndPosition != pos.getIndex()) {
errln("file dcfmtest.txt, line %d: Expected parse position afeter parsing: %d. "
"Actual parse position: %d", expectedParseEndPosition, pos.getIndex());
return;
}
char expectedTypeC[2];
expectedType.extract(0, 1, expectedTypeC, 2, US_INV);
Formattable::Type expectType = Formattable::kDate;
switch (expectedTypeC[0]) {
case 'd': expectType = Formattable::kDouble; break;
case 'i': expectType = Formattable::kLong; break;
case 'l': expectType = Formattable::kInt64; break;
default:
errln("file dcfmtest.tx, line %d: unrecongized expected type \"%s\"",
lineNum, InvariantStringPiece(expectedType).data());
return;
}
if (result.getType() != expectType) {
errln("file dcfmtest.txt, line %d: expectedParseType(%s) != actual parseType(%s)",
lineNum, formattableType(expectType), formattableType(result.getType()));
return;
}
StringPiece decimalResult = result.getDecimalNumber(status);
if (U_FAILURE(status)) {
errln("File %s, line %d: error %s. Line in file dcfmtest.txt: %d:",
__FILE__, __LINE__, u_errorName(status), lineNum);
return;
}
InvariantStringPiece expectedResults(expectedDecimal);
if (decimalResult != expectedResults) {
errln("file dcfmtest.txt, line %d: expected \"%s\", got \"%s\"",
lineNum, expectedResults.data(), decimalResult.data());
}
return;
}