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ICU-4547 Updated support for correct month numbering/naming in Hebrew calendar

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X-SVN-Rev: 26521
This commit is contained in:
John Emmons 2009-08-20 03:44:28 +00:00
parent bddf82a606
commit ce62d6d654
2 changed files with 47 additions and 6 deletions
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10
icu4c/source/i18n/hebrwcal.h
View file

@ -1,6 +1,6 @@
/*
******************************************************************************
* Copyright (C) 2003-2007, International Business Machines Corporation
* Copyright (C) 2003-2009, International Business Machines Corporation
* and others. All Rights Reserved.
******************************************************************************
*
@ -273,6 +273,10 @@ public:
` */
virtual void roll(EDateFields field, int32_t amount, UErrorCode& status);
/**
* @internal
*/
static UBool isLeapYear(int32_t year) ;
protected:
@ -467,10 +471,6 @@ public:
*/
int32_t yearType(int32_t year) const;
/**
* @internal
*/
static UBool isLeapYear(int32_t year) ;
/**
* @internal
*/

43
icu4c/source/i18n/smpdtfmt.cpp
View file

@ -48,6 +48,7 @@
#include "olsontz.h"
#include "util.h"
#include "gregoimp.h"
#include "hebrwcal.h"
#include "cstring.h"
#include "uassert.h"
#include "zstrfmt.h"
@ -1451,6 +1452,8 @@ SimpleDateFormat::subFormat(UnicodeString &appendTo,
int32_t beginOffset = appendTo.length();
NumberFormat *currentNumberFormat;
UBool isHebrewCalendar = !strcmp(cal.getType(),"hebrew");
// if the pattern character is unrecognized, signal an error and dump out
if (patternCharPtr == NULL)
{
@ -1500,6 +1503,13 @@ SimpleDateFormat::subFormat(UnicodeString &appendTo,
// appropriate number of digits
// for "MMMMM", use the narrow form
case UDAT_MONTH_FIELD:
if ( isHebrewCalendar ) {
HebrewCalendar *hc = (HebrewCalendar*)&cal;
if (hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value == 6 && count >= 3 )
value = 13; // Show alternate form for Adar II in leap years in Hebrew calendar.
if (!hc->isLeapYear(hc->get(UCAL_YEAR,status)) && value >= 6 && count < 3 )
value--; // Adjust the month number down 1 in Hebrew non-leap years, i.e. Adar is 6, not 7.
}
if (count == 5)
_appendSymbol(appendTo, value, fSymbols->fNarrowMonths,
fSymbols->fNarrowMonthsCount);
@ -2279,7 +2289,13 @@ int32_t SimpleDateFormat::matchString(const UnicodeString& text,
}
if (bestMatch >= 0)
{
cal.set(field, bestMatch);
// Adjustment for Hebrew Calendar month Adar II
if (!strcmp(cal.getType(),"hebrew") && field==UCAL_MONTH && bestMatch==13) {
cal.set(field,6);
}
else {
cal.set(field, bestMatch);
}
// Once we have a match, we have to determine the length of the
// original source string. This will usually be == the length of
@ -2341,6 +2357,7 @@ int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, UC
UDateFormatField patternCharIndex;
NumberFormat *currentNumberFormat;
UnicodeString temp;
static UBool DelayedHebrewMonthCheck = FALSE;
UChar *patternCharPtr = u_strchr(DateFormatSymbols::getPatternUChars(), ch);
#if defined (U_DEBUG_CAL)
@ -2460,6 +2477,16 @@ int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, UC
}
}
cal.set(UCAL_YEAR, value);
// Delayed checking for adjustment of Hebrew month numbers in non-leap years.
if (DelayedHebrewMonthCheck) {
HebrewCalendar *hc = (HebrewCalendar*)&cal;
UErrorCode status = U_ZERO_ERROR;
if (!hc->isLeapYear(value)) {
cal.add(UCAL_MONTH,1,status);
}
DelayedHebrewMonthCheck = FALSE;
}
return pos.getIndex();
case UDAT_YEAR_WOY_FIELD:
@ -2484,6 +2511,20 @@ int32_t SimpleDateFormat::subParse(const UnicodeString& text, int32_t& start, UC
// while pattern uses numeric style: M or MM.
// [We computed 'value' above.]
cal.set(UCAL_MONTH, value - 1);
// When parsing month numbers from the Hebrew Calendar, we might need to adjust the month depending on whether
// or not it was a leap year. We may or may not yet know what year it is, so might have to delay checking until
// the year is parsed.
if (!strcmp(cal.getType(),"hebrew") && value >= 6) {
HebrewCalendar *hc = (HebrewCalendar*)&cal;
if (cal.isSet(UCAL_YEAR)) {
UErrorCode status = U_ZERO_ERROR;
if (!hc->isLeapYear(hc->get(UCAL_YEAR,status))) {
cal.set(UCAL_MONTH, value);
}
} else {
DelayedHebrewMonthCheck = TRUE;
}
}
return pos.getIndex();
} else {
// count >= 3 // i.e., MMM or MMMM