scuffed-code/icu4c/source/i18n/udat.cpp

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1999-08-16 21:50:52 +00:00
/*
*******************************************************************************
* *
* COPYRIGHT: *
* (C) Copyright Taligent, Inc., 1996 *
* (C) Copyright International Business Machines Corporation, 1998-1999 *
* Licensed Material - Program-Property of IBM - All Rights Reserved. *
* US Government Users Restricted Rights - Use, duplication, or disclosure *
* restricted by GSA ADP Schedule Contract with IBM Corp. *
* *
*******************************************************************************
*/
#include "udat.h"
#include "uloc.h"
#include "datefmt.h"
#include "timezone.h"
#include "smpdtfmt.h"
#include "fieldpos.h"
#include "cpputils.h"
#include "parsepos.h"
#include "calendar.h"
#include "numfmt.h"
#include "dtfmtsym.h"
#include "ustring.h"
CAPI UDateFormat*
udat_open( UDateFormatStyle timeStyle,
UDateFormatStyle dateStyle,
const char* locale,
const UChar *tzID,
int32_t tzIDLength,
UErrorCode* status)
{
if(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().init(locale));
if(fmt == 0) {
*status = 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 = MEMORY_ALLOCATION_ERROR;
delete fmt;
return 0;
}
fmt->adoptTimeZone(zone);
}
return (UDateFormat*)fmt;
}
CAPI UDateFormat*
udat_openPattern( const UChar *pattern,
int32_t patternLength,
const char *locale,
UErrorCode *status)
{
if(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().init(locale),
*status);
if(retVal == 0) {
*status = MEMORY_ALLOCATION_ERROR;
return 0;
}
return retVal;
}
CAPI void
udat_close(UDateFormat* format)
{
delete (DateFormat*)format;
}
CAPI UDateFormat*
udat_clone(const UDateFormat *fmt,
UErrorCode *status)
{
if(FAILURE(*status)) return 0;
Format *res = ((SimpleDateFormat*)fmt)->clone();
if(res == 0) {
*status = MEMORY_ALLOCATION_ERROR;
return 0;
}
return (UDateFormat*) res;
}
CAPI int32_t
udat_format( const UDateFormat* format,
UDate dateToFormat,
UChar* result,
int32_t resultLength,
UFieldPosition* position,
UErrorCode* status)
{
if(FAILURE(*status)) return -1;
int32_t actLen;
UnicodeString res(result, 0, resultLength);
FieldPosition fp;
if(position != 0)
fp.setField(position->field);
((DateFormat*)format)->format(dateToFormat, res, fp);
T_fillOutputParams(&res, result, resultLength, &actLen, status);
if(position != 0) {
position->beginIndex = fp.getBeginIndex();
position->endIndex = fp.getEndIndex();
}
return actLen;
}
CAPI UDate
udat_parse( const UDateFormat* format,
const UChar* text,
int32_t textLength,
int32_t *parsePos,
UErrorCode *status)
{
if(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 = PARSE_ERROR;
}
}
return res;
}
CAPI bool_t
udat_isLenient(const UDateFormat* fmt)
{
return ((DateFormat*)fmt)->isLenient();
}
CAPI void
udat_setLenient( UDateFormat* fmt,
bool_t isLenient)
{
((DateFormat*)fmt)->setLenient(isLenient);
}
CAPI const UCalendar*
udat_getCalendar(const UDateFormat* fmt)
{
return (const UCalendar*) ((DateFormat*)fmt)->getCalendar();
}
CAPI void
udat_setCalendar( UDateFormat* fmt,
const UCalendar* calendarToSet)
{
((DateFormat*)fmt)->setCalendar(*((Calendar*)calendarToSet));
}
CAPI const UNumberFormat*
udat_getNumberFormat(const UDateFormat* fmt)
{
return (const UNumberFormat*) ((DateFormat*)fmt)->getNumberFormat();
}
CAPI void
udat_setNumberFormat( UDateFormat* fmt,
const UNumberFormat* numberFormatToSet)
{
((DateFormat*)fmt)->setNumberFormat(*((NumberFormat*)numberFormatToSet));
}
CAPI const char*
udat_getAvailable(int32_t index)
{
return uloc_getAvailable(index);
}
CAPI int32_t
udat_countAvailable()
{
return uloc_countAvailable();
}
CAPI UDate
udat_get2DigitYearStart( const UDateFormat *fmt,
UErrorCode *status)
{
if(FAILURE(*status)) return (UDate)0;
return ((SimpleDateFormat*)fmt)->get2DigitYearStart(*status);
}
CAPI void
udat_set2DigitYearStart( UDateFormat *fmt,
UDate d,
UErrorCode *status)
{
if(FAILURE(*status)) return;
((SimpleDateFormat*)fmt)->set2DigitYearStart(d, *status);
}
CAPI int32_t
udat_toPattern( const UDateFormat *fmt,
bool_t localized,
UChar *result,
int32_t resultLength,
UErrorCode *status)
{
if(FAILURE(*status)) return -1;
int32_t actLen;
UnicodeString res(result, 0, resultLength);
if(localized)
((SimpleDateFormat*)fmt)->toLocalizedPattern(res, *status);
else
((SimpleDateFormat*)fmt)->toPattern(res);
T_fillOutputParams(&res, result, resultLength, &actLen, status);
return actLen;
}
// TBD: should this take an UErrorCode?
CAPI void
udat_applyPattern( UDateFormat *format,
bool_t 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 = ZERO_ERROR;
if(localized)
((SimpleDateFormat*)format)->applyLocalizedPattern(pat, status);
else
((SimpleDateFormat*)format)->applyPattern(pat);
}
CAPI int32_t
udat_getSymbols(const UDateFormat *fmt,
UDateFormatSymbolType type,
int32_t index,
UChar *result,
int32_t resultLength,
UErrorCode *status)
{
if(FAILURE(*status)) return -1;
int32_t actLen;
const DateFormatSymbols *syms =
((SimpleDateFormat*)fmt)->getDateFormatSymbols();
int32_t count;
const UnicodeString *res;
UnicodeString res1(result, 0, resultLength);
switch(type) {
case UDAT_ERAS:
res = syms->getEras(count);
if(index < count) {
T_fillOutputParams(&res[index], result, resultLength,
&actLen, status);
}
break;
case UDAT_MONTHS:
res = syms->getMonths(count);
if(index < count) {
T_fillOutputParams(&res[index], result, resultLength,
&actLen, status);
}
break;
case UDAT_SHORT_MONTHS:
res = syms->getShortMonths(count);
if(index < count) {
T_fillOutputParams(&res[index], result, resultLength,
&actLen, status);
}
break;
case UDAT_WEEKDAYS:
res = syms->getWeekdays(count);
if(index < count) {
T_fillOutputParams(&res[index], result, resultLength,
&actLen, status);
}
break;
case UDAT_SHORT_WEEKDAYS:
res = syms->getShortWeekdays(count);
if(index < count) {
T_fillOutputParams(&res[index], result, resultLength,
&actLen, status);
}
break;
case UDAT_AM_PMS:
res = syms->getAmPmStrings(count);
if(index < count) {
T_fillOutputParams(&res[index], result, resultLength,
&actLen, status);
}
break;
case UDAT_LOCALIZED_CHARS:
syms->getLocalPatternChars(res1);
T_fillOutputParams(&res1, result, resultLength, &actLen, status);
break;
}
return actLen;
}
CAPI int32_t
udat_countSymbols( const UDateFormat *fmt,
UDateFormatSymbolType type)
{
const DateFormatSymbols *syms =
((SimpleDateFormat*)fmt)->getDateFormatSymbols();
int32_t count;
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;
}
CAPI void
udat_setSymbols( UDateFormat *format,
UDateFormatSymbolType type,
int32_t index,
UChar *value,
int32_t valueLength,
UErrorCode *status)
{
if(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 = MEMORY_ALLOCATION_ERROR;
return;
}
switch(type) {
case UDAT_ERAS:
res = syms->getEras(count);
array = new UnicodeString[count];
if(array == 0) {
*status = MEMORY_ALLOCATION_ERROR;
return;
}
icu_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 = MEMORY_ALLOCATION_ERROR;
return;
}
icu_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 = MEMORY_ALLOCATION_ERROR;
return;
}
icu_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 = MEMORY_ALLOCATION_ERROR;
return;
}
icu_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 = MEMORY_ALLOCATION_ERROR;
return;
}
icu_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 = MEMORY_ALLOCATION_ERROR;
return;
}
icu_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;
}