scuffed-code/icu4c/source/i18n/udat.cpp
2001-10-08 23:26:58 +00:00

586 lines
14 KiB
C++

/*
*******************************************************************************
* Copyright (C) 1996-2001, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
*/
#include "unicode/udat.h"
#include "unicode/uloc.h"
#include "unicode/datefmt.h"
#include "unicode/timezone.h"
#include "unicode/smpdtfmt.h"
#include "unicode/fieldpos.h"
#include "cpputils.h"
#include "unicode/parsepos.h"
#include "unicode/calendar.h"
#include "unicode/numfmt.h"
#include "unicode/dtfmtsym.h"
#include "unicode/ustring.h"
U_NAMESPACE_USE
/*
U_CAPI UDateFormat*
udat_open( UDateFormatStyle timeStyle,
UDateFormatStyle dateStyle,
const char* locale,
const UChar *tzID,
int32_t tzIDLength,
UErrorCode* status)
{
if(U_FAILURE(*status)) return 0;
DateFormat *fmt;
if(locale == 0)
fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
(DateFormat::EStyle)timeStyle);
else
fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
(DateFormat::EStyle)timeStyle,
Locale(locale));
if(fmt == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if(tzID != 0) {
TimeZone *zone = 0;
int32_t length = (tzIDLength == -1 ? u_strlen(tzID) : tzIDLength);
zone = TimeZone::createTimeZone(UnicodeString((UChar*)tzID,
length, length));
if(zone == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
delete fmt;
return 0;
}
fmt->adoptTimeZone(zone);
}
return (UDateFormat*)fmt;
}
U_CAPI UDateFormat*
udat_openPattern( const UChar *pattern,
int32_t patternLength,
const char *locale,
UErrorCode *status)
{
if(U_FAILURE(*status)) return 0;
int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength);
UDateFormat *retVal = 0;
if(locale == 0)
retVal = (UDateFormat*)new SimpleDateFormat(UnicodeString((UChar*)pattern,
len, len),
*status);
else
retVal = (UDateFormat*)new SimpleDateFormat(UnicodeString((UChar*)pattern,
len, len),
Locale(locale),
*status);
if(retVal == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
return retVal;
}
*/
U_CAPI UDateFormat*
udat_open(UDateFormatStyle timeStyle,
UDateFormatStyle dateStyle,
const char *locale,
const UChar *tzID,
int32_t tzIDLength,
const UChar *pattern,
int32_t patternLength,
UErrorCode *status)
{
if(U_FAILURE(*status))
{
return 0;
}
if(timeStyle != UDAT_IGNORE)
{
DateFormat *fmt;
if(locale == 0)
fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
(DateFormat::EStyle)timeStyle);
else
fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
(DateFormat::EStyle)timeStyle,
Locale(locale));
if(fmt == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if(tzID != 0) {
TimeZone *zone = 0;
int32_t length = (tzIDLength == -1 ? u_strlen(tzID) : tzIDLength);
zone = TimeZone::createTimeZone(UnicodeString((UChar*)tzID,
length, length));
if(zone == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
delete fmt;
return 0;
}
fmt->adoptTimeZone(zone);
}
return (UDateFormat*)fmt;
}
else
{
int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength);
UDateFormat *retVal = 0;
if(locale == 0)
retVal = (UDateFormat*)new SimpleDateFormat(UnicodeString((UChar*)pattern,
len, len),
*status);
else
retVal = (UDateFormat*)new SimpleDateFormat(UnicodeString((UChar*)pattern,
len, len),
Locale(locale),
*status);
if(retVal == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
return retVal;
}
}
U_CAPI void
udat_close(UDateFormat* format)
{
delete (DateFormat*)format;
}
U_CAPI UDateFormat*
udat_clone(const UDateFormat *fmt,
UErrorCode *status)
{
if(U_FAILURE(*status)) return 0;
Format *res = ((SimpleDateFormat*)fmt)->clone();
if(res == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
return (UDateFormat*) res;
}
U_CAPI int32_t
udat_format( const UDateFormat* format,
UDate dateToFormat,
UChar* result,
int32_t resultLength,
UFieldPosition* position,
UErrorCode* status)
{
if(U_FAILURE(*status)) return -1;
UnicodeString res(result, 0, resultLength);
FieldPosition fp;
if(position != 0)
fp.setField(position->field);
((DateFormat*)format)->format(dateToFormat, res, fp);
if(position != 0) {
position->beginIndex = fp.getBeginIndex();
position->endIndex = fp.getEndIndex();
}
return res.extract(result, resultLength, *status);
}
U_CAPI UDate
udat_parse( const UDateFormat* format,
const UChar* text,
int32_t textLength,
int32_t *parsePos,
UErrorCode *status)
{
if(U_FAILURE(*status)) return (UDate)0;
int32_t len = (textLength == -1 ? u_strlen(text) : textLength);
const UnicodeString src((UChar*)text, len, len);
ParsePosition pp;
UDate res;
if(parsePos != 0)
pp.setIndex(*parsePos);
res = ((DateFormat*)format)->parse(src, pp);
if(parsePos != 0) {
if(pp.getErrorIndex() == -1)
*parsePos = pp.getIndex();
else {
*parsePos = pp.getErrorIndex();
*status = U_PARSE_ERROR;
}
}
return res;
}
U_CAPI UBool
udat_isLenient(const UDateFormat* fmt)
{
return ((DateFormat*)fmt)->isLenient();
}
U_CAPI void
udat_setLenient( UDateFormat* fmt,
UBool isLenient)
{
((DateFormat*)fmt)->setLenient(isLenient);
}
U_CAPI const UCalendar*
udat_getCalendar(const UDateFormat* fmt)
{
return (const UCalendar*) ((DateFormat*)fmt)->getCalendar();
}
U_CAPI void
udat_setCalendar( UDateFormat* fmt,
const UCalendar* calendarToSet)
{
((DateFormat*)fmt)->setCalendar(*((Calendar*)calendarToSet));
}
U_CAPI const UNumberFormat*
udat_getNumberFormat(const UDateFormat* fmt)
{
return (const UNumberFormat*) ((DateFormat*)fmt)->getNumberFormat();
}
U_CAPI void
udat_setNumberFormat( UDateFormat* fmt,
const UNumberFormat* numberFormatToSet)
{
((DateFormat*)fmt)->setNumberFormat(*((NumberFormat*)numberFormatToSet));
}
U_CAPI const char*
udat_getAvailable(int32_t index)
{
return uloc_getAvailable(index);
}
U_CAPI int32_t
udat_countAvailable()
{
return uloc_countAvailable();
}
U_CAPI UDate
udat_get2DigitYearStart( const UDateFormat *fmt,
UErrorCode *status)
{
if(U_FAILURE(*status)) return (UDate)0;
return ((SimpleDateFormat*)fmt)->get2DigitYearStart(*status);
}
U_CAPI void
udat_set2DigitYearStart( UDateFormat *fmt,
UDate d,
UErrorCode *status)
{
if(U_FAILURE(*status)) return;
((SimpleDateFormat*)fmt)->set2DigitYearStart(d, *status);
}
U_CAPI int32_t
udat_toPattern( const UDateFormat *fmt,
UBool localized,
UChar *result,
int32_t resultLength,
UErrorCode *status)
{
if(U_FAILURE(*status)) return -1;
UnicodeString res(result, 0, resultLength);
if(localized)
((SimpleDateFormat*)fmt)->toLocalizedPattern(res, *status);
else
((SimpleDateFormat*)fmt)->toPattern(res);
return res.extract(result, resultLength, *status);
}
// TBD: should this take an UErrorCode?
U_CAPI void
udat_applyPattern( UDateFormat *format,
UBool localized,
const UChar *pattern,
int32_t patternLength)
{
int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength);
const UnicodeString pat((UChar*)pattern, len, len);
UErrorCode status = U_ZERO_ERROR;
if(localized)
((SimpleDateFormat*)format)->applyLocalizedPattern(pat, status);
else
((SimpleDateFormat*)format)->applyPattern(pat);
}
U_CAPI int32_t
udat_getSymbols(const UDateFormat *fmt,
UDateFormatSymbolType type,
int32_t index,
UChar *result,
int32_t resultLength,
UErrorCode *status)
{
if(U_FAILURE(*status)) return -1;
const DateFormatSymbols *syms =
((SimpleDateFormat*)fmt)->getDateFormatSymbols();
int32_t count;
const UnicodeString *res;
switch(type) {
case UDAT_ERAS:
res = syms->getEras(count);
if(index < count) {
return res[index].extract(result, resultLength, *status);
}
break;
case UDAT_MONTHS:
res = syms->getMonths(count);
if(index < count) {
return res[index].extract(result, resultLength, *status);
}
break;
case UDAT_SHORT_MONTHS:
res = syms->getShortMonths(count);
if(index < count) {
return res[index].extract(result, resultLength, *status);
}
break;
case UDAT_WEEKDAYS:
res = syms->getWeekdays(count);
if(index < count) {
return res[index].extract(result, resultLength, *status);
}
break;
case UDAT_SHORT_WEEKDAYS:
res = syms->getShortWeekdays(count);
if(index < count) {
return res[index].extract(result, resultLength, *status);
}
break;
case UDAT_AM_PMS:
res = syms->getAmPmStrings(count);
if(index < count) {
return res[index].extract(result, resultLength, *status);
}
break;
case UDAT_LOCALIZED_CHARS:
{
UnicodeString res1(result, 0, resultLength);
syms->getLocalPatternChars(res1);
return res1.extract(result, resultLength, *status);
}
}
return 0;
}
U_CAPI int32_t
udat_countSymbols( const UDateFormat *fmt,
UDateFormatSymbolType type)
{
const DateFormatSymbols *syms =
((SimpleDateFormat*)fmt)->getDateFormatSymbols();
int32_t count = 0;
switch(type) {
case UDAT_ERAS:
syms->getEras(count);
break;
case UDAT_MONTHS:
syms->getMonths(count);
break;
case UDAT_SHORT_MONTHS:
syms->getShortMonths(count);
break;
case UDAT_WEEKDAYS:
syms->getWeekdays(count);
break;
case UDAT_SHORT_WEEKDAYS:
syms->getShortWeekdays(count);
break;
case UDAT_AM_PMS:
syms->getAmPmStrings(count);
break;
case UDAT_LOCALIZED_CHARS:
count = 1;
break;
}
return count;
}
U_CAPI void
udat_setSymbols( UDateFormat *format,
UDateFormatSymbolType type,
int32_t index,
UChar *value,
int32_t valueLength,
UErrorCode *status)
{
if(U_FAILURE(*status)) return;
int32_t count;
int32_t len = (valueLength == -1 ? u_strlen(value) : valueLength);
const UnicodeString val((UChar*)value, len, len);
const UnicodeString *res;
DateFormatSymbols *syms = new DateFormatSymbols(
* ((SimpleDateFormat*)format)->getDateFormatSymbols() );
UnicodeString *array = 0;
if(syms == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
switch(type) {
case UDAT_ERAS:
res = syms->getEras(count);
array = new UnicodeString[count];
if(array == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
uprv_arrayCopy(res, array, count);
if(index < count)
array[index] = val;
syms->setEras(array, count);
break;
case UDAT_MONTHS:
res = syms->getMonths(count);
array = new UnicodeString[count];
if(array == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
uprv_arrayCopy(res, array, count);
if(index < count)
array[index] = val;
syms->setMonths(array, count);
break;
case UDAT_SHORT_MONTHS:
res = syms->getShortMonths(count);
array = new UnicodeString[count];
if(array == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
uprv_arrayCopy(res, array, count);
if(index < count)
array[index] = val;
syms->setShortMonths(array, count);
break;
case UDAT_WEEKDAYS:
res = syms->getWeekdays(count);
array = new UnicodeString[count];
if(array == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
uprv_arrayCopy(res, array, count);
if(index < count)
array[index] = val;
syms->setWeekdays(array, count);
break;
case UDAT_SHORT_WEEKDAYS:
res = syms->getShortWeekdays(count);
array = new UnicodeString[count];
if(array == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
uprv_arrayCopy(res, array, count);
if(index < count)
array[index] = val;
syms->setShortWeekdays(array, count);
break;
case UDAT_AM_PMS:
res = syms->getAmPmStrings(count);
array = new UnicodeString[count];
if(array == 0) {
*status = U_MEMORY_ALLOCATION_ERROR;
return;
}
uprv_arrayCopy(res, array, count);
if(index < count)
array[index] = val;
syms->setAmPmStrings(array, count);
break;
case UDAT_LOCALIZED_CHARS:
syms->setLocalPatternChars(val);
break;
}
((SimpleDateFormat*)format)->adoptDateFormatSymbols(syms);
delete [] array;
}