572 lines
15 KiB
C++
572 lines
15 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1996-2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/udat.h"
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#include "unicode/uloc.h"
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#include "unicode/datefmt.h"
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#include "unicode/timezone.h"
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#include "unicode/smpdtfmt.h"
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#include "unicode/fieldpos.h"
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#include "unicode/parsepos.h"
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#include "unicode/calendar.h"
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#include "unicode/numfmt.h"
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#include "unicode/dtfmtsym.h"
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#include "unicode/ustring.h"
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#include "cpputils.h"
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U_NAMESPACE_USE
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U_CAPI UDateFormat* U_EXPORT2
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udat_open(UDateFormatStyle timeStyle,
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UDateFormatStyle dateStyle,
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const char *locale,
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const UChar *tzID,
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int32_t tzIDLength,
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const UChar *pattern,
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int32_t patternLength,
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UErrorCode *status)
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{
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if(U_FAILURE(*status))
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{
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return 0;
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}
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if(timeStyle != UDAT_IGNORE)
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{
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DateFormat *fmt;
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if(locale == 0)
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fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
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(DateFormat::EStyle)timeStyle);
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else
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fmt = DateFormat::createDateTimeInstance((DateFormat::EStyle)dateStyle,
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(DateFormat::EStyle)timeStyle,
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Locale(locale));
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if(fmt == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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if(tzID != 0) {
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TimeZone *zone = 0;
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int32_t length = (tzIDLength == -1 ? u_strlen(tzID) : tzIDLength);
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zone = TimeZone::createTimeZone(UnicodeString((UChar*)tzID,
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length, length));
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if(zone == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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delete fmt;
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return 0;
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}
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fmt->adoptTimeZone(zone);
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}
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return (UDateFormat*)fmt;
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}
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else
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{
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int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength);
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UDateFormat *retVal = 0;
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if(locale == 0)
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retVal = (UDateFormat*)new SimpleDateFormat(UnicodeString((UChar*)pattern,
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len, len),
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*status);
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else
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retVal = (UDateFormat*)new SimpleDateFormat(UnicodeString((UChar*)pattern,
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len, len),
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Locale(locale),
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*status);
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if(retVal == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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return retVal;
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}
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}
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U_CAPI void U_EXPORT2
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udat_close(UDateFormat* format)
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{
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delete (DateFormat*)format;
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}
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U_CAPI UDateFormat* U_EXPORT2
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udat_clone(const UDateFormat *fmt,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return 0;
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Format *res = ((SimpleDateFormat*)fmt)->clone();
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if(res == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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return (UDateFormat*) res;
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}
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U_CAPI int32_t U_EXPORT2
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udat_format( const UDateFormat* format,
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UDate dateToFormat,
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UChar* result,
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int32_t resultLength,
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UFieldPosition* position,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return -1;
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UnicodeString res(result, 0, resultLength);
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FieldPosition fp;
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if(position != 0)
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fp.setField(position->field);
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((DateFormat*)format)->format(dateToFormat, res, fp);
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if(position != 0) {
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position->beginIndex = fp.getBeginIndex();
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position->endIndex = fp.getEndIndex();
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}
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return res.extract(result, resultLength, *status);
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}
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U_CAPI UDate U_EXPORT2
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udat_parse( const UDateFormat* format,
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const UChar* text,
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int32_t textLength,
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int32_t *parsePos,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return (UDate)0;
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int32_t len = (textLength == -1 ? u_strlen(text) : textLength);
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const UnicodeString src((UChar*)text, len, len);
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ParsePosition pp;
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UDate res;
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if(parsePos != 0)
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pp.setIndex(*parsePos);
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res = ((DateFormat*)format)->parse(src, pp);
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if(parsePos != 0) {
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if(pp.getErrorIndex() == -1)
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*parsePos = pp.getIndex();
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else {
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*parsePos = pp.getErrorIndex();
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*status = U_PARSE_ERROR;
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}
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}
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return res;
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}
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U_CAPI void U_EXPORT2
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udat_parseCalendar(const UDateFormat* format,
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UCalendar* calendar,
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const UChar* text,
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int32_t textLength,
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int32_t *parsePos,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return;
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int32_t len = (textLength == -1 ? u_strlen(text) : textLength);
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const UnicodeString src((UChar*)text, len, len);
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ParsePosition pp;
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if(parsePos != 0)
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pp.setIndex(*parsePos);
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((DateFormat*)format)->parse(src, *(Calendar*)calendar, pp);
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if(parsePos != 0) {
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if(pp.getErrorIndex() == -1)
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*parsePos = pp.getIndex();
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else {
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*parsePos = pp.getErrorIndex();
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*status = U_PARSE_ERROR;
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}
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}
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return;
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}
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U_CAPI UBool U_EXPORT2
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udat_isLenient(const UDateFormat* fmt)
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{
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return ((DateFormat*)fmt)->isLenient();
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}
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U_CAPI void U_EXPORT2
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udat_setLenient( UDateFormat* fmt,
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UBool isLenient)
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{
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((DateFormat*)fmt)->setLenient(isLenient);
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}
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U_CAPI const UCalendar* U_EXPORT2
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udat_getCalendar(const UDateFormat* fmt)
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{
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return (const UCalendar*) ((DateFormat*)fmt)->getCalendar();
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}
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U_CAPI void U_EXPORT2
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udat_setCalendar( UDateFormat* fmt,
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const UCalendar* calendarToSet)
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{
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((DateFormat*)fmt)->setCalendar(*((Calendar*)calendarToSet));
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}
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U_CAPI const UNumberFormat* U_EXPORT2
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udat_getNumberFormat(const UDateFormat* fmt)
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{
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return (const UNumberFormat*) ((DateFormat*)fmt)->getNumberFormat();
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}
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U_CAPI void U_EXPORT2
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udat_setNumberFormat( UDateFormat* fmt,
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const UNumberFormat* numberFormatToSet)
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{
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((DateFormat*)fmt)->setNumberFormat(*((NumberFormat*)numberFormatToSet));
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}
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U_CAPI const char* U_EXPORT2
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udat_getAvailable(int32_t index)
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{
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return uloc_getAvailable(index);
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}
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U_CAPI int32_t U_EXPORT2
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udat_countAvailable()
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{
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return uloc_countAvailable();
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}
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U_CAPI UDate U_EXPORT2
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udat_get2DigitYearStart( const UDateFormat *fmt,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return (UDate)0;
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return ((SimpleDateFormat*)fmt)->get2DigitYearStart(*status);
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}
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U_CAPI void U_EXPORT2
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udat_set2DigitYearStart( UDateFormat *fmt,
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UDate d,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return;
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((SimpleDateFormat*)fmt)->set2DigitYearStart(d, *status);
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}
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U_CAPI int32_t U_EXPORT2
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udat_toPattern( const UDateFormat *fmt,
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UBool localized,
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UChar *result,
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int32_t resultLength,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return -1;
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UnicodeString res(result, 0, resultLength);
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if(localized)
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((SimpleDateFormat*)fmt)->toLocalizedPattern(res, *status);
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else
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((SimpleDateFormat*)fmt)->toPattern(res);
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return res.extract(result, resultLength, *status);
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}
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// TBD: should this take an UErrorCode?
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U_CAPI void U_EXPORT2
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udat_applyPattern( UDateFormat *format,
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UBool localized,
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const UChar *pattern,
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int32_t patternLength)
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{
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int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength);
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const UnicodeString pat((UChar*)pattern, len, len);
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UErrorCode status = U_ZERO_ERROR;
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if(localized)
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((SimpleDateFormat*)format)->applyLocalizedPattern(pat, status);
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else
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((SimpleDateFormat*)format)->applyPattern(pat);
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}
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U_CAPI int32_t U_EXPORT2
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udat_getSymbols(const UDateFormat *fmt,
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UDateFormatSymbolType type,
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int32_t index,
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UChar *result,
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int32_t resultLength,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return -1;
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const DateFormatSymbols *syms =
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((SimpleDateFormat*)fmt)->getDateFormatSymbols();
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int32_t count;
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const UnicodeString *res;
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switch(type) {
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case UDAT_ERAS:
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res = syms->getEras(count);
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if(index < count) {
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return res[index].extract(result, resultLength, *status);
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}
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break;
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case UDAT_MONTHS:
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res = syms->getMonths(count);
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if(index < count) {
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return res[index].extract(result, resultLength, *status);
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}
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break;
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case UDAT_SHORT_MONTHS:
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res = syms->getShortMonths(count);
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if(index < count) {
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return res[index].extract(result, resultLength, *status);
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}
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break;
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case UDAT_WEEKDAYS:
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res = syms->getWeekdays(count);
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if(index < count) {
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return res[index].extract(result, resultLength, *status);
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}
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break;
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case UDAT_SHORT_WEEKDAYS:
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res = syms->getShortWeekdays(count);
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if(index < count) {
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return res[index].extract(result, resultLength, *status);
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}
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break;
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case UDAT_AM_PMS:
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res = syms->getAmPmStrings(count);
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if(index < count) {
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return res[index].extract(result, resultLength, *status);
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}
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break;
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case UDAT_LOCALIZED_CHARS:
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{
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UnicodeString res1(result, 0, resultLength);
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syms->getLocalPatternChars(res1);
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return res1.extract(result, resultLength, *status);
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}
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}
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return 0;
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}
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U_CAPI int32_t U_EXPORT2
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udat_countSymbols( const UDateFormat *fmt,
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UDateFormatSymbolType type)
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{
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const DateFormatSymbols *syms =
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((SimpleDateFormat*)fmt)->getDateFormatSymbols();
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int32_t count = 0;
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switch(type) {
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case UDAT_ERAS:
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syms->getEras(count);
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break;
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case UDAT_MONTHS:
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syms->getMonths(count);
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break;
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case UDAT_SHORT_MONTHS:
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syms->getShortMonths(count);
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break;
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case UDAT_WEEKDAYS:
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syms->getWeekdays(count);
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break;
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case UDAT_SHORT_WEEKDAYS:
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syms->getShortWeekdays(count);
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break;
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case UDAT_AM_PMS:
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syms->getAmPmStrings(count);
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break;
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case UDAT_LOCALIZED_CHARS:
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count = 1;
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break;
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}
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return count;
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}
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U_NAMESPACE_BEGIN
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/*
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* This DateFormatSymbolsSingleSetter class is a friend of DateFormatSymbols
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* solely for the purpose of avoiding to clone the array of strings
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* just to modify one of them and then setting all of them back.
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* For example, the old code looked like this:
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* case UDAT_MONTHS:
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* res = syms->getMonths(count);
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* array = new UnicodeString[count];
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* if(array == 0) {
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* *status = U_MEMORY_ALLOCATION_ERROR;
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* return;
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* }
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* uprv_arrayCopy(res, array, count);
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* if(index < count)
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* array[index] = val;
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* syms->setMonths(array, count);
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* break;
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*
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* Even worse, the old code actually cloned the entire DateFormatSymbols object,
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* cloned one value array, changed one value, and then made the SimpleDateFormat
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* replace its DateFormatSymbols object with the new one.
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*
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* markus 2002-oct-14
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*/
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class DateFormatSymbolsSingleSetter /* not : public UObject because all methods are static */ {
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public:
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static void
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setSymbol(UnicodeString *array, int32_t count, int32_t index,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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if(array!=NULL) {
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if(index>=count) {
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errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
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} else if(value==NULL) {
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errorCode=U_ILLEGAL_ARGUMENT_ERROR;
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} else {
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array[index].setTo(value, valueLength);
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}
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}
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}
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static void
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setEra(DateFormatSymbols *syms, int32_t index,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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setSymbol(syms->fEras, syms->fErasCount, index, value, valueLength, errorCode);
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}
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static void
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setMonth(DateFormatSymbols *syms, int32_t index,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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setSymbol(syms->fMonths, syms->fMonthsCount, index, value, valueLength, errorCode);
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}
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static void
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setShortMonth(DateFormatSymbols *syms, int32_t index,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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setSymbol(syms->fShortMonths, syms->fShortMonthsCount, index, value, valueLength, errorCode);
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}
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static void
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setWeekday(DateFormatSymbols *syms, int32_t index,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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setSymbol(syms->fWeekdays, syms->fWeekdaysCount, index, value, valueLength, errorCode);
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}
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static void
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setShortWeekday(DateFormatSymbols *syms, int32_t index,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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setSymbol(syms->fShortWeekdays, syms->fShortWeekdaysCount, index, value, valueLength, errorCode);
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}
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static void
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setAmPm(DateFormatSymbols *syms, int32_t index,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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setSymbol(syms->fAmPms, syms->fAmPmsCount, index, value, valueLength, errorCode);
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}
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static void
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setLocalPatternChars(DateFormatSymbols *syms,
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const UChar *value, int32_t valueLength, UErrorCode &errorCode) {
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setSymbol(&syms->fLocalPatternChars, 1, 0, value, valueLength, errorCode);
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}
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};
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U_NAMESPACE_END
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U_CAPI void U_EXPORT2
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udat_setSymbols( UDateFormat *format,
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UDateFormatSymbolType type,
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int32_t index,
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UChar *value,
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int32_t valueLength,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return;
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DateFormatSymbols *syms = (DateFormatSymbols *)((SimpleDateFormat *)format)->getDateFormatSymbols();
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switch(type) {
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case UDAT_ERAS:
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DateFormatSymbolsSingleSetter::setEra(syms, index, value, valueLength, *status);
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break;
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case UDAT_MONTHS:
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DateFormatSymbolsSingleSetter::setMonth(syms, index, value, valueLength, *status);
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break;
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case UDAT_SHORT_MONTHS:
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DateFormatSymbolsSingleSetter::setShortMonth(syms, index, value, valueLength, *status);
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break;
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case UDAT_WEEKDAYS:
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DateFormatSymbolsSingleSetter::setWeekday(syms, index, value, valueLength, *status);
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break;
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case UDAT_SHORT_WEEKDAYS:
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DateFormatSymbolsSingleSetter::setShortWeekday(syms, index, value, valueLength, *status);
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break;
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case UDAT_AM_PMS:
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DateFormatSymbolsSingleSetter::setAmPm(syms, index, value, valueLength, *status);
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break;
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case UDAT_LOCALIZED_CHARS:
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DateFormatSymbolsSingleSetter::setLocalPatternChars(syms, value, valueLength, *status);
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|