char *ICUStringMgr::upperUTF8(char *buf, unsigned int maxlen) const {
char *ret = buf;
int max = (maxlen) ? maxlen : strlen(buf);
UErrorCode err = U_ZERO_ERROR;
if (!buf || !max) {
return ret;
}
UChar *lowerStr = new UChar[max+10];
UChar *upperStr = new UChar[max+10];
u_strFromUTF8(lowerStr, max+9, 0, buf, -1, &err);
if (err != U_ZERO_ERROR) {
// SWLog::getSystemLog()->logError("from: %s", u_errorName(err));
delete [] lowerStr;
delete [] upperStr;
return ret;
}
u_strToUpper(upperStr, max+9, lowerStr, -1, 0, &err);
if (err != U_ZERO_ERROR) {
// SWLog::getSystemLog()->logError("upperCase: %s", u_errorName(err));
delete [] lowerStr;
delete [] upperStr;
return ret;
}
ret = u_strToUTF8(ret, max, 0, upperStr, -1, &err);
delete [] lowerStr;
delete [] upperStr;
return ret;
}
int32 ChangeStringLinguisticCase(CaseFlags caseFlags, const char16* sourceString, uint32 sourceLength, char16* destString, uint32 destLength, ApiError* pErrorOut)
{
int32_t resultStringLength = 0;
UErrorCode errorCode = U_ZERO_ERROR;
static_assert(sizeof(UChar) == sizeof(char16), "Unexpected char type from ICU, function might have to be updated");
if (caseFlags == CaseFlagsUpper)
{
resultStringLength = u_strToUpper((UChar*) destString, destLength,
(UChar*) sourceString, sourceLength, NULL, &errorCode);
}
else if (caseFlags == CaseFlagsLower)
{
resultStringLength = u_strToLower((UChar*) destString, destLength,
(UChar*) sourceString, sourceLength, NULL, &errorCode);
}
else
{
Assert(false);
}
if (U_FAILURE(errorCode) &&
!(destLength == 0 && errorCode == U_BUFFER_OVERFLOW_ERROR))
{
*pErrorOut = TranslateUErrorCode(errorCode);
return -1;
}
// Todo: check for resultStringLength > destLength
// Return insufficient buffer in that case
return resultStringLength;
}
/*
** Implementations of scalar functions for case mapping - upper() and
** lower(). Function upper() converts its input to upper-case (ABC).
** Function lower() converts to lower-case (abc).
**
** ICU provides two types of case mapping, "general" case mapping and
** "language specific". Refer to ICU documentation for the differences
** between the two.
**
** To utilise "general" case mapping, the upper() or lower() scalar
** functions are invoked with one argument:
**
** upper('ABC') -> 'abc'
** lower('abc') -> 'ABC'
**
** To access ICU "language specific" case mapping, upper() or lower()
** should be invoked with two arguments. The second argument is the name
** of the locale to use. Passing an empty string ("") or SQL NULL value
** as the second argument is the same as invoking the 1 argument version
** of upper() or lower().
**
** lower('I', 'en_us') -> 'i'
** lower('I', 'tr_tr') -> '\u131' (small dotless i)
**
** http://www.icu-project.org/userguide/posix.html#case_mappings
*/
static void icuCaseFunc16(sqlite3_context *p, int nArg, sqlite3_value **apArg){
const UChar *zInput; /* Pointer to input string */
UChar *zOutput = 0; /* Pointer to output buffer */
int nInput; /* Size of utf-16 input string in bytes */
int nOut; /* Size of output buffer in bytes */
int cnt;
int bToUpper; /* True for toupper(), false for tolower() */
UErrorCode status;
const char *zLocale = 0;
assert(nArg==1 || nArg==2);
bToUpper = (sqlite3_user_data(p)!=0);
if( nArg==2 ){
zLocale = (const char *)sqlite3_value_text(apArg[1]);
}
zInput = sqlite3_value_text16(apArg[0]);
if( !zInput ){
return;
}
nOut = nInput = sqlite3_value_bytes16(apArg[0]);
if( nOut==0 ){
sqlite3_result_text16(p, "", 0, SQLITE_STATIC);
return;
}
for(cnt=0; cnt<2; cnt++){
UChar *zNew = sqlite3_realloc(zOutput, nOut);
if( zNew==0 ){
sqlite3_free(zOutput);
sqlite3_result_error_nomem(p);
return;
}
zOutput = zNew;
status = U_ZERO_ERROR;
if( bToUpper ){
nOut = 2*u_strToUpper(zOutput,nOut/2,zInput,nInput/2,zLocale,&status);
}else{
nOut = 2*u_strToLower(zOutput,nOut/2,zInput,nInput/2,zLocale,&status);
}
if( U_SUCCESS(status) ){
sqlite3_result_text16(p, zOutput, nOut, xFree);
}else if( status==U_BUFFER_OVERFLOW_ERROR ){
assert( cnt==0 );
continue;
}else{
icuFunctionError(p, bToUpper ? "u_strToUpper" : "u_strToLower", status);
}
return;
}
assert( 0 ); /* Unreachable */
}
/// Convert the unicode string to uppercase. This function will return the
/// required buffer length as a result. If this length does not match the
/// 'DestinationCapacity' this function must be called again with a buffer of
/// the required length to get an uppercase version of the string.
int32_t
swift::_swift_stdlib_unicode_strToUpper(uint16_t *Destination,
int32_t DestinationCapacity,
const uint16_t *Source,
int32_t SourceLength) {
UErrorCode ErrorCode = U_ZERO_ERROR;
#if defined(__CYGWIN__) || defined( _MSC_VER) || defined(__linux__)
uint32_t OutputLength = u_strToUpper(reinterpret_cast<UChar *>(Destination),
DestinationCapacity,
reinterpret_cast<const UChar *>(Source),
SourceLength,
"", &ErrorCode);
#else
uint32_t OutputLength = u_strToUpper(Destination, DestinationCapacity,
Source, SourceLength,
"", &ErrorCode);
#endif
if (U_FAILURE(ErrorCode) && ErrorCode != U_BUFFER_OVERFLOW_ERROR) {
swift::crash("u_strToUpper: Unexpected error uppercasing unicode string.");
}
return OutputLength;
}
// upper {{{
static PyObject *
icu_upper(PyObject *self, PyObject *args) {
char *input, *ans, *buf3 = NULL;
const char *loc;
int32_t sz;
UChar *buf, *buf2;
PyObject *ret;
UErrorCode status = U_ZERO_ERROR;
if (!PyArg_ParseTuple(args, "ses", &loc, "UTF-8", &input)) return NULL;
sz = (int32_t)strlen(input);
buf = (UChar*)calloc(sz*4 + 1, sizeof(UChar));
buf2 = (UChar*)calloc(sz*8 + 1, sizeof(UChar));
if (buf == NULL || buf2 == NULL) return PyErr_NoMemory();
u_strFromUTF8(buf, sz*4, NULL, input, sz, &status);
u_strToUpper(buf2, sz*8, buf, -1, loc, &status);
ans = input;
sz = u_strlen(buf2);
free(buf);
if (U_SUCCESS(status) && sz > 0) {
buf3 = (char*)calloc(sz*5+1, sizeof(char));
if (buf3 == NULL) return PyErr_NoMemory();
u_strToUTF8(buf3, sz*5, NULL, buf2, -1, &status);
if (U_SUCCESS(status)) ans = buf3;
}
ret = PyUnicode_DecodeUTF8(ans, strlen(ans), "replace");
if (ret == NULL) return PyErr_NoMemory();
free(buf2);
if (buf3 != NULL) free(buf3);
PyMem_Free(input);
return ret;
} // }}}
/*
** Implementations of scalar functions for case mapping - upper() and
** lower(). Function upper() converts its input to upper-case (ABC).
** Function lower() converts to lower-case (abc).
**
** ICU provides two types of case mapping, "general" case mapping and
** "language specific". Refer to ICU documentation for the differences
** between the two.
**
** To utilise "general" case mapping, the upper() or lower() scalar
** functions are invoked with one argument:
**
** upper('ABC') -> 'abc'
** lower('abc') -> 'ABC'
**
** To access ICU "language specific" case mapping, upper() or lower()
** should be invoked with two arguments. The second argument is the name
** of the locale to use. Passing an empty string ("") or SQL NULL value
** as the second argument is the same as invoking the 1 argument version
** of upper() or lower().
**
** lower('I', 'en_us') -> 'i'
** lower('I', 'tr_tr') -> 'ı' (small dotless i)
**
** http://www.icu-project.org/userguide/posix.html#case_mappings
*/
static void icuCaseFunc16(sqlite3_context *p, int nArg, sqlite3_value **apArg){
const UChar *zInput;
UChar *zOutput;
int nInput;
int nOutput;
UErrorCode status = U_ZERO_ERROR;
const char *zLocale = 0;
assert(nArg==1 || nArg==2);
if( nArg==2 ){
zLocale = (const char *)sqlite3_value_text(apArg[1]);
}
zInput = sqlite3_value_text16(apArg[0]);
if( !zInput ){
return;
}
nInput = sqlite3_value_bytes16(apArg[0]);
nOutput = nInput * 2 + 2;
zOutput = sqlite3_malloc(nOutput);
if( !zOutput ){
return;
}
if( sqlite3_user_data(p) ){
u_strToUpper(zOutput, nOutput/2, zInput, nInput/2, zLocale, &status);
}else{
u_strToLower(zOutput, nOutput/2, zInput, nInput/2, zLocale, &status);
}
if( !U_SUCCESS(status) ){
icuFunctionError(p, "u_strToLower()/u_strToUpper", status);
return;
}
sqlite3_result_text16(p, zOutput, -1, xFree);
}
static PyObject* icu_change_case(PyObject *self, PyObject *args) {
char *locale = NULL;
PyObject *input = NULL, *result = NULL;
int which = UPPER_CASE;
UErrorCode status = U_ZERO_ERROR;
UChar *input_buf = NULL, *output_buf = NULL;
int32_t sz = 0;
if (!PyArg_ParseTuple(args, "Oiz", &input, &which, &locale)) return NULL;
if (locale == NULL) {
PyErr_SetString(PyExc_NotImplementedError, "You must specify a locale"); // We deliberately use NotImplementedError so that this error can be unambiguously identified
return NULL;
}
input_buf = python_to_icu(input, &sz, 1);
if (input_buf == NULL) goto end;
output_buf = (UChar*) calloc(3 * sz, sizeof(UChar));
if (output_buf == NULL) { PyErr_NoMemory(); goto end; }
switch (which) {
case TITLE_CASE:
sz = u_strToTitle(output_buf, 3 * sz, input_buf, sz, NULL, locale, &status);
break;
case UPPER_CASE:
sz = u_strToUpper(output_buf, 3 * sz, input_buf, sz, locale, &status);
break;
default:
sz = u_strToLower(output_buf, 3 * sz, input_buf, sz, locale, &status);
}
if (U_FAILURE(status)) { PyErr_SetString(PyExc_ValueError, u_errorName(status)); goto end; }
result = icu_to_python(output_buf, sz);
end:
if (input_buf != NULL) free(input_buf);
if (output_buf != NULL) free(output_buf);
return result;
} // }}}
static uint32_t icu_utf16_sub(struct icu_buf_utf16 *dest16,
struct icu_buf_utf16 *src16,
const char *locale, char action,
UErrorCode *status)
{
switch (action)
{
case 'l':
case 'L':
return u_strToLower(dest16->utf16, dest16->utf16_cap,
src16->utf16, src16->utf16_len,
locale, status);
case 'u':
case 'U':
return u_strToUpper(dest16->utf16, dest16->utf16_cap,
src16->utf16, src16->utf16_len,
locale, status);
break;
case 't':
case 'T':
return u_strToTitle(dest16->utf16, dest16->utf16_cap,
src16->utf16, src16->utf16_len,
0, locale, status);
break;
case 'f':
case 'F':
return u_strFoldCase(dest16->utf16, dest16->utf16_cap,
src16->utf16, src16->utf16_len,
U_FOLD_CASE_DEFAULT, status);
break;
default:
*status = U_UNSUPPORTED_ERROR;
break;
}
return 0;
}
static void
TestCaseUpper(void) {
static const UChar
beforeUpper[]= { 0x61, 0x42, 0x69, 0x3c2, 0xdf, 0x3c3, 0x2f, 0xfb03, 0xd93f, 0xdfff },
upperRoot[]= { 0x41, 0x42, 0x49, 0x3a3, 0x53, 0x53, 0x3a3, 0x2f, 0x46, 0x46, 0x49, 0xd93f, 0xdfff },
upperTurkish[]={ 0x41, 0x42, 0x130, 0x3a3, 0x53, 0x53, 0x3a3, 0x2f, 0x46, 0x46, 0x49, 0xd93f, 0xdfff };
UChar buffer[32];
int32_t length;
UErrorCode errorCode;
/* uppercase with root locale and in the same buffer */
uprv_memcpy(buffer, beforeUpper, sizeof(beforeUpper));
errorCode=U_ZERO_ERROR;
length=u_strToUpper(buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
buffer, sizeof(beforeUpper)/U_SIZEOF_UCHAR,
"",
&errorCode);
if( U_FAILURE(errorCode) ||
length!=(sizeof(upperRoot)/U_SIZEOF_UCHAR) ||
uprv_memcmp(upperRoot, buffer, length*U_SIZEOF_UCHAR)!=0 ||
buffer[length]!=0
) {
log_err("error in u_strToUpper(root locale)=%ld error=%s string matches: %s\n",
length,
u_errorName(errorCode),
uprv_memcmp(upperRoot, buffer, length*U_SIZEOF_UCHAR)==0 && buffer[length]==0 ? "yes" : "no");
}
/* uppercase with turkish locale and separate buffers */
buffer[0]=0xabcd;
errorCode=U_ZERO_ERROR;
length=u_strToUpper(buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
beforeUpper, sizeof(beforeUpper)/U_SIZEOF_UCHAR,
"tr",
&errorCode);
if( U_FAILURE(errorCode) ||
length!=(sizeof(upperTurkish)/U_SIZEOF_UCHAR) ||
uprv_memcmp(upperTurkish, buffer, length*U_SIZEOF_UCHAR)!=0 ||
buffer[length]!=0
) {
log_err("error in u_strToUpper(turkish locale)=%ld error=%s string matches: %s\n",
length,
u_errorName(errorCode),
uprv_memcmp(upperTurkish, buffer, length*U_SIZEOF_UCHAR)==0 && buffer[length]==0 ? "yes" : "no");
}
/* test preflighting */
errorCode=U_ZERO_ERROR;
length=u_strToUpper(NULL, 0,
beforeUpper, sizeof(beforeUpper)/U_SIZEOF_UCHAR,
"tr",
&errorCode);
if( errorCode!=U_BUFFER_OVERFLOW_ERROR ||
length!=(sizeof(upperTurkish)/U_SIZEOF_UCHAR)
) {
log_err("error in u_strToUpper(turkish locale pure preflighting)=%ld error=%s\n",
length,
u_errorName(errorCode));
}
/* test error handling */
buffer[0]=0xabcd;
errorCode=U_ZERO_ERROR;
length=u_strToUpper(buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
NULL, sizeof(beforeUpper)/U_SIZEOF_UCHAR,
"tr",
&errorCode);
if( errorCode!=U_ILLEGAL_ARGUMENT_ERROR ||
buffer[0]!=0xabcd
) {
log_err("error in u_strToUpper(turkish locale src=NULL)=%ld error=%s buffer[0]==0x%lx\n",
length,
u_errorName(errorCode),
buffer[0]);
}
buffer[0]=0xabcd;
errorCode=U_ZERO_ERROR;
length=u_strToUpper(buffer, sizeof(buffer)/U_SIZEOF_UCHAR,
beforeUpper, -2,
"tr",
&errorCode);
if( errorCode!=U_ILLEGAL_ARGUMENT_ERROR ||
buffer[0]!=0xabcd
) {
log_err("error in u_strToUpper(turkish locale srcLength=-2)=%ld error=%s buffer[0]==0x%lx\n",
length,
u_errorName(errorCode),
buffer[0]);
}
}
int32_t
u_sprintf_scientific_handler(u_localized_string *output,
const u_sprintf_spec_info *info,
const ufmt_args *args)
{
double num = (double) (args[0].doubleValue);
UNumberFormat *format;
UChar result [USPRINTF_BUFFER_SIZE];
int32_t minDecimalDigits;
int32_t maxDecimalDigits;
UErrorCode status = U_ZERO_ERROR;
UChar srcExpBuf[USPRINTF_SYMBOL_BUFFER_SIZE];
int32_t srcLen, expLen;
UChar expBuf[USPRINTF_SYMBOL_BUFFER_SIZE];
/* mask off any necessary bits */
/* if(! info->fIsLongDouble)
num &= DBL_MAX;*/
/* get the formatter */
format = u_locbund_getScientificFormat(output->fBundle);
/* handle error */
if(format == 0)
return 0;
/* set the appropriate flags on the formatter */
/* clone the stream's bundle if it isn't owned */
if(! output->fOwnBundle) {
output->fBundle = u_locbund_clone(output->fBundle);
output->fOwnBundle = TRUE;
format = u_locbund_getScientificFormat(output->fBundle);
}
srcLen = unum_getSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
srcExpBuf,
sizeof(srcExpBuf),
&status);
/* Upper/lower case the e */
if (info->fSpec == (UChar)0x65 /* e */) {
expLen = u_strToLower(expBuf, (int32_t)sizeof(expBuf),
srcExpBuf, srcLen,
output->fBundle->fLocale,
&status);
}
else {
expLen = u_strToUpper(expBuf, (int32_t)sizeof(expBuf),
srcExpBuf, srcLen,
output->fBundle->fLocale,
&status);
}
unum_setSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
expBuf,
expLen,
&status);
/* set the number of decimal digits */
/* save the formatter's state */
minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS);
maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS);
if(info->fPrecision != -1) {
/* set the # of decimal digits */
unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision);
}
else if(info->fPrecision == 0 && ! info->fAlt) {
/* no decimal point in this case */
unum_setAttribute(format, UNUM_FRACTION_DIGITS, 0);
}
else if(info->fAlt) {
/* '#' means always show decimal point */
/* copy of printf behavior on Solaris - '#' shows 6 digits */
unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6);
}
else {
/* # of decimal digits is 6 if precision not specified */
unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6);
}
/* set whether to show the sign */
u_sprintf_set_sign(format, info, &status);
/* format the number */
unum_formatDouble(format, num, result, USPRINTF_BUFFER_SIZE, 0, &status);
/* restore the number format */
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
/* Since we clone the fBundle and we're only using the scientific
format, we don't need to save the old exponent value. */
/*unum_setSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
srcExpBuf,
srcLen,
&status);*/
return u_sprintf_pad_and_justify(output, info, result, u_strlen(result));
}
static int32_t
u_scanf_scientific_handler(UFILE *input,
u_scanf_spec_info *info,
ufmt_args *args,
const UChar *fmt,
int32_t *fmtConsumed,
int32_t *argConverted)
{
int32_t len;
double num;
UNumberFormat *format;
int32_t parsePos = 0;
int32_t skipped;
UErrorCode status = U_ZERO_ERROR;
UChar srcExpBuf[UPRINTF_SYMBOL_BUFFER_SIZE];
int32_t srcLen, expLen;
UChar expBuf[UPRINTF_SYMBOL_BUFFER_SIZE];
/* skip all ws in the input */
skipped = u_scanf_skip_leading_ws(input, info->fPadChar);
/* fill the input's internal buffer */
ufile_fill_uchar_buffer(input);
/* determine the size of the input's buffer */
len = (int32_t)(input->str.fLimit - input->str.fPos);
/* truncate to the width, if specified */
if(info->fWidth != -1)
len = ufmt_min(len, info->fWidth);
/* get the formatter */
format = u_locbund_getNumberFormat(&input->str.fBundle, UNUM_SCIENTIFIC);
/* handle error */
if(format == 0)
return 0;
/* set the appropriate flags on the formatter */
srcLen = unum_getSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
srcExpBuf,
sizeof(srcExpBuf),
&status);
/* Upper/lower case the e */
if (info->fSpec == (UChar)0x65 /* e */) {
expLen = u_strToLower(expBuf, (int32_t)sizeof(expBuf),
srcExpBuf, srcLen,
input->str.fBundle.fLocale,
&status);
}
else {
expLen = u_strToUpper(expBuf, (int32_t)sizeof(expBuf),
srcExpBuf, srcLen,
input->str.fBundle.fLocale,
&status);
}
unum_setSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
expBuf,
expLen,
&status);
/* Skip the positive prefix. ICU normally can't handle this due to strict parsing. */
skipped += u_scanf_skip_leading_positive_sign(input, format, &status);
/* parse the number */
num = unum_parseDouble(format, input->str.fPos, len, &parsePos, &status);
if (!info->fSkipArg) {
if (info->fIsLong)
*(double*)(args[0].ptrValue) = num;
else if (info->fIsLongDouble)
*(long double*)(args[0].ptrValue) = num;
else
*(float*)(args[0].ptrValue) = (float)num;
}
/* mask off any necessary bits */
/* if(! info->fIsLong_double)
num &= DBL_MAX;*/
/* update the input's position to reflect consumed data */
input->str.fPos += parsePos;
/* we converted 1 arg */
*argConverted = !info->fSkipArg;
return parsePos + skipped;
}
static int32_t
u_printf_scientific_handler(const u_printf_stream_handler *handler,
void *context,
ULocaleBundle *formatBundle,
const u_printf_spec_info *info,
const ufmt_args *args)
{
double num = (double) (args[0].doubleValue);
UNumberFormat *format;
UChar result[UPRINTF_BUFFER_SIZE];
UChar prefixBuffer[UPRINTF_BUFFER_SIZE];
int32_t prefixBufferLen = sizeof(prefixBuffer);
int32_t minDecimalDigits;
int32_t maxDecimalDigits;
UErrorCode status = U_ZERO_ERROR;
UChar srcExpBuf[UPRINTF_SYMBOL_BUFFER_SIZE];
int32_t srcLen, expLen;
int32_t resultLen;
UChar expBuf[UPRINTF_SYMBOL_BUFFER_SIZE];
prefixBuffer[0] = 0;
/* mask off any necessary bits */
/* if(! info->fIsLongDouble)
num &= DBL_MAX;*/
/* get the formatter */
format = u_locbund_getNumberFormat(formatBundle, UNUM_SCIENTIFIC);
/* handle error */
if(format == 0)
return 0;
/* set the appropriate flags on the formatter */
srcLen = unum_getSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
srcExpBuf,
sizeof(srcExpBuf),
&status);
/* Upper/lower case the e */
if (info->fSpec == (UChar)0x65 /* e */) {
expLen = u_strToLower(expBuf, (int32_t)sizeof(expBuf),
srcExpBuf, srcLen,
formatBundle->fLocale,
&status);
}
else {
expLen = u_strToUpper(expBuf, (int32_t)sizeof(expBuf),
srcExpBuf, srcLen,
formatBundle->fLocale,
&status);
}
unum_setSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
expBuf,
expLen,
&status);
/* save the formatter's state */
minDecimalDigits = unum_getAttribute(format, UNUM_MIN_FRACTION_DIGITS);
maxDecimalDigits = unum_getAttribute(format, UNUM_MAX_FRACTION_DIGITS);
/* set the appropriate flags and number of decimal digits on the formatter */
if(info->fPrecision != -1) {
/* set the # of decimal digits */
if (info->fOrigSpec == (UChar)0x65 /* e */ || info->fOrigSpec == (UChar)0x45 /* E */) {
unum_setAttribute(format, UNUM_FRACTION_DIGITS, info->fPrecision);
}
else {
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, 1);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, info->fPrecision);
}
}
else if(info->fAlt) {
/* '#' means always show decimal point */
/* copy of printf behavior on Solaris - '#' shows 6 digits */
unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6);
}
else {
/* # of decimal digits is 6 if precision not specified */
unum_setAttribute(format, UNUM_FRACTION_DIGITS, 6);
}
/* set whether to show the sign */
if (info->fShowSign) {
u_printf_set_sign(format, info, prefixBuffer, &prefixBufferLen, &status);
}
/* format the number */
resultLen = unum_formatDouble(format, num, result, UPRINTF_BUFFER_SIZE, 0, &status);
if (U_FAILURE(status)) {
resultLen = 0;
}
/* restore the number format */
/* TODO: Is this needed? */
unum_setAttribute(format, UNUM_MIN_FRACTION_DIGITS, minDecimalDigits);
unum_setAttribute(format, UNUM_MAX_FRACTION_DIGITS, maxDecimalDigits);
/* Since we're the only one using the scientific
format, we don't need to save the old exponent value. */
/*unum_setSymbol(format,
UNUM_EXPONENTIAL_SYMBOL,
srcExpBuf,
srcLen,
&status);*/
if (info->fShowSign) {
/* Reset back to original value regardless of what the error was */
UErrorCode localStatus = U_ZERO_ERROR;
u_printf_reset_sign(format, info, prefixBuffer, &prefixBufferLen, &localStatus);
}
return handler->pad_and_justify(context, info, result, resultLen);
}
static void demoCaseMapInC() {
/*
* input=
* "aB<capital sigma>"
* "iI<small dotless i><capital dotted I> "
* "<sharp s> <small lig. ffi>"
* "<small final sigma><small sigma><capital sigma>"
*/
static const UChar input[]={
0x61, 0x42, 0x3a3,
0x69, 0x49, 0x131, 0x130, 0x20,
0xdf, 0x20, 0xfb03,
0x3c2, 0x3c3, 0x3a3, 0
};
UChar buffer[32];
UErrorCode errorCode;
UChar32 c;
int32_t i, j, length;
UBool isError;
printf("\n* demoCaseMapInC() ----------------- ***\n\n");
/*
* First, use simple case mapping functions which provide
* 1:1 code point mappings without context/locale ID.
*
* Note that some mappings will not be "right" because some "real"
* case mappings require context, depend on the locale ID,
* and/or result in a change in the number of code points.
*/
printUString("input string: ", input, -1);
/* uppercase */
isError=FALSE;
for(i=j=0; j<UPRV_LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
if(c==0) {
break; /* stop at terminating NUL, no need to terminate buffer */
}
c=u_toupper(c);
U16_APPEND(buffer, j, UPRV_LENGTHOF(buffer), c, isError);
}
printUString("simple-uppercased: ", buffer, j);
/* lowercase */
isError=FALSE;
for(i=j=0; j<UPRV_LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
if(c==0) {
break; /* stop at terminating NUL, no need to terminate buffer */
}
c=u_tolower(c);
U16_APPEND(buffer, j, UPRV_LENGTHOF(buffer), c, isError);
}
printUString("simple-lowercased: ", buffer, j);
/* titlecase */
isError=FALSE;
for(i=j=0; j<UPRV_LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
if(c==0) {
break; /* stop at terminating NUL, no need to terminate buffer */
}
c=u_totitle(c);
U16_APPEND(buffer, j, UPRV_LENGTHOF(buffer), c, isError);
}
printUString("simple-titlecased: ", buffer, j);
/* case-fold/default */
isError=FALSE;
for(i=j=0; j<UPRV_LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
if(c==0) {
break; /* stop at terminating NUL, no need to terminate buffer */
}
c=u_foldCase(c, U_FOLD_CASE_DEFAULT);
U16_APPEND(buffer, j, UPRV_LENGTHOF(buffer), c, isError);
}
printUString("simple-case-folded/default: ", buffer, j);
/* case-fold/Turkic */
isError=FALSE;
for(i=j=0; j<UPRV_LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
if(c==0) {
break; /* stop at terminating NUL, no need to terminate buffer */
}
c=u_foldCase(c, U_FOLD_CASE_EXCLUDE_SPECIAL_I);
U16_APPEND(buffer, j, UPRV_LENGTHOF(buffer), c, isError);
}
printUString("simple-case-folded/Turkic: ", buffer, j);
/*
* Second, use full case mapping functions which provide
* 1:n code point mappings (n can be 0!) and are sensitive to context and locale ID.
*
* Note that lower/upper/titlecasing take a locale ID while case-folding
* has bit flag options instead, by design of the Unicode SpecialCasing.txt UCD file.
*
* Also, string titlecasing requires a BreakIterator to find starts of words.
* The sample code here passes in a NULL pointer; u_strToTitle() will open and close a default
* titlecasing BreakIterator automatically.
* For production code where many strings are titlecased it would be more efficient
* to open a BreakIterator externally and pass it in.
*/
printUString("\ninput string: ", input, -1);
/* lowercase/English */
errorCode=U_ZERO_ERROR;
length=u_strToLower(buffer, UPRV_LENGTHOF(buffer), input, -1, "en", &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-lowercased/en: ", buffer, length);
} else {
printf("error in u_strToLower(en)=%ld error=%s\n", length, u_errorName(errorCode));
}
/* lowercase/Turkish */
errorCode=U_ZERO_ERROR;
length=u_strToLower(buffer, UPRV_LENGTHOF(buffer), input, -1, "tr", &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-lowercased/tr: ", buffer, length);
} else {
printf("error in u_strToLower(tr)=%ld error=%s\n", length, u_errorName(errorCode));
}
/* uppercase/English */
errorCode=U_ZERO_ERROR;
length=u_strToUpper(buffer, UPRV_LENGTHOF(buffer), input, -1, "en", &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-uppercased/en: ", buffer, length);
} else {
printf("error in u_strToUpper(en)=%ld error=%s\n", length, u_errorName(errorCode));
}
/* uppercase/Turkish */
errorCode=U_ZERO_ERROR;
length=u_strToUpper(buffer, UPRV_LENGTHOF(buffer), input, -1, "tr", &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-uppercased/tr: ", buffer, length);
} else {
printf("error in u_strToUpper(tr)=%ld error=%s\n", length, u_errorName(errorCode));
}
/* titlecase/English */
errorCode=U_ZERO_ERROR;
length=u_strToTitle(buffer, UPRV_LENGTHOF(buffer), input, -1, NULL, "en", &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-titlecased/en: ", buffer, length);
} else {
printf("error in u_strToTitle(en)=%ld error=%s\n", length, u_errorName(errorCode));
}
/* titlecase/Turkish */
errorCode=U_ZERO_ERROR;
length=u_strToTitle(buffer, UPRV_LENGTHOF(buffer), input, -1, NULL, "tr", &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-titlecased/tr: ", buffer, length);
} else {
printf("error in u_strToTitle(tr)=%ld error=%s\n", length, u_errorName(errorCode));
}
/* case-fold/default */
errorCode=U_ZERO_ERROR;
length=u_strFoldCase(buffer, UPRV_LENGTHOF(buffer), input, -1, U_FOLD_CASE_DEFAULT, &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-case-folded/default: ", buffer, length);
} else {
printf("error in u_strFoldCase(default)=%ld error=%s\n", length, u_errorName(errorCode));
}
/* case-fold/Turkic */
errorCode=U_ZERO_ERROR;
length=u_strFoldCase(buffer, UPRV_LENGTHOF(buffer), input, -1, U_FOLD_CASE_EXCLUDE_SPECIAL_I, &errorCode);
if(U_SUCCESS(errorCode)) {
printUString("full-case-folded/Turkic: ", buffer, length);
} else {
printf("error in u_strFoldCase(Turkic)=%ld error=%s\n", length, u_errorName(errorCode));
}
}
int32_t __hs_u_strToUpper(UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
const char *locale, UErrorCode *pErrorCode)
{
return u_strToUpper(dest, destCapacity, src, srcLength, locale, pErrorCode);
}