620 lines
20 KiB
C++
620 lines
20 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1997-2001, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*
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* File DTFMTSYM.CPP
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*
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* Modification History:
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*
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* Date Name Description
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* 02/19/97 aliu Converted from java.
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* 07/21/98 stephen Added getZoneIndex
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* Changed weekdays/short weekdays to be one-based
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* 06/14/99 stephen Removed SimpleDateFormat::fgTimeZoneDataSuffix
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* 11/16/99 weiv Added 'Y' and 'e' to fgPatternChars
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* 03/27/00 weiv Keeping resource bundle around!
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*******************************************************************************
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*/
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#include "unicode/dtfmtsym.h"
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#include "unicode/resbund.h"
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#include "unicode/smpdtfmt.h"
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// *****************************************************************************
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// class DateFormatSymbols
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// *****************************************************************************
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/**
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* These are static arrays we use only in the case where we have no
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* resource data.
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*/
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#define PATTERN_CHARS_LEN 20
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/**
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* Unlocalized date-time pattern characters. For example: 'y', 'd', etc. All
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* locales use the same these unlocalized pattern characters.
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*/
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static const UChar gPatternChars[] =
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{
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0x47, 0x79, 0x4D, 0x64, 0x6B, 0x48, 0x6D, 0x73, 0x53, 0x45,
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0x44, 0x46, 0x77, 0x57, 0x61, 0x68, 0x4B, 0x7A, 0x59, 0x65, 0 /* "GyMdkHmsSEDFwWahKzYe" */
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};
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//------------------------------------------------------
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// Strings of last resort. These are only used if we have no resource
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// files. They aren't designed for actual use, just for backup.
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// These are the month names and abbreviations of last resort.
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static const UChar gLastResortMonthNames[13][3] =
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{
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{0x0030, 0x0031, 0x0000}, /* "01" */
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{0x0030, 0x0032, 0x0000}, /* "02" */
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{0x0030, 0x0033, 0x0000}, /* "03" */
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{0x0030, 0x0034, 0x0000}, /* "04" */
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{0x0030, 0x0035, 0x0000}, /* "05" */
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{0x0030, 0x0036, 0x0000}, /* "06" */
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{0x0030, 0x0037, 0x0000}, /* "07" */
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{0x0030, 0x0038, 0x0000}, /* "08" */
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{0x0030, 0x0039, 0x0000}, /* "09" */
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{0x0031, 0x0030, 0x0000}, /* "10" */
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{0x0031, 0x0031, 0x0000}, /* "11" */
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{0x0031, 0x0032, 0x0000}, /* "12" */
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{0x0031, 0x0033, 0x0000} /* "13" */
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};
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// These are the weekday names and abbreviations of last resort.
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static const UChar gLastResortDayNames[8][2] =
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{
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{0x0000, 0x0000}, /* "" */
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{0x0031, 0x0000}, /* "1" */
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{0x0032, 0x0000}, /* "2" */
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{0x0033, 0x0000}, /* "3" */
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{0x0034, 0x0000}, /* "4" */
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{0x0035, 0x0000}, /* "5" */
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{0x0036, 0x0000}, /* "6" */
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{0x0037, 0x0000} /* "7" */
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};
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// These are the am/pm and BC/AD markers of last resort.
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static const UChar gLastResortAmPmMarkers[2][3] =
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{
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{0x0041, 0x004D, 0x0000}, /* "AM" */
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{0x0050, 0x004D, 0x0000} /* "PM" */
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};
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static const UChar gLastResortEras[2][3] =
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{
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{0x0042, 0x0043, 0x0000}, /* "BC" */
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{0x0041, 0x0044, 0x0000} /* "AD" */
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};
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// These are the zone strings of last resort.
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static const UChar gLastResortZoneStrings[5][4] =
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{
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{0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
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{0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
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{0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
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{0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
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{0x0047, 0x004D, 0x0054, 0x0000} /* "GMT" */
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};
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//------------------------------------------------------
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DateFormatSymbols::DateFormatSymbols(const Locale& locale,
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UErrorCode& status)
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{
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initializeData(locale, status);
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}
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DateFormatSymbols::DateFormatSymbols(UErrorCode& status)
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{
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initializeData(Locale::getDefault(), status, TRUE);
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}
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DateFormatSymbols::DateFormatSymbols(const DateFormatSymbols& other)
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{
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copyData(other);
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}
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void
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DateFormatSymbols::assignArray(UnicodeString*& dstArray,
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int32_t& dstCount,
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const UnicodeString* srcArray,
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int32_t srcCount)
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{
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// duplicates or aliases the source array, depending on the status of
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// the appropriate isOwned flag
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dstCount = srcCount;
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dstArray = new UnicodeString[srcCount];
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uprv_arrayCopy(srcArray, dstArray, srcCount);
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}
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/**
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* Create a copy, in fZoneStrings, of the given zone strings array. The
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* member variables fZoneStringsRowCount and fZoneStringsColCount should
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* be set already by the caller. The fIsOwned flags are not checked or set
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* by this method; that is the caller's responsibility.
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*/
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void
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DateFormatSymbols::createZoneStrings(const UnicodeString *const * otherStrings)
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{
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fZoneStrings = new UnicodeString*[fZoneStringsRowCount];
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for (int32_t row=0; row<fZoneStringsRowCount; ++row)
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{
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fZoneStrings[row] = new UnicodeString[fZoneStringsColCount];
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uprv_arrayCopy(otherStrings[row], fZoneStrings[row], fZoneStringsColCount);
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}
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}
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/**
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* Copy all of the other's data to this.
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*/
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void
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DateFormatSymbols::copyData(const DateFormatSymbols& other) {
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assignArray(fEras, fErasCount, other.fEras, other.fErasCount);
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assignArray(fMonths, fMonthsCount, other.fMonths, other.fMonthsCount);
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assignArray(fShortMonths, fShortMonthsCount, other.fShortMonths, other.fShortMonthsCount);
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assignArray(fWeekdays, fWeekdaysCount, other.fWeekdays, other.fWeekdaysCount);
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assignArray(fShortWeekdays, fShortWeekdaysCount, other.fShortWeekdays, other.fShortWeekdaysCount);
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assignArray(fAmPms, fAmPmsCount, other.fAmPms, other.fAmPmsCount);
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fZoneStringsRowCount = other.fZoneStringsRowCount;
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fZoneStringsColCount = other.fZoneStringsColCount;
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createZoneStrings((const UnicodeString**)other.fZoneStrings);
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fLocalPatternChars = other.fLocalPatternChars;
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}
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/**
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* Assignment operator. A bit messy because the other object may or may not
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* own each of its arrays. We then alias or copy those arrays as appropriate.
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* Arrays that aren't owned are assumed to be permanently "around," which is
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* true, since they are owned by the ResourceBundle cache.
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*/
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DateFormatSymbols& DateFormatSymbols::operator=(const DateFormatSymbols& other)
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{
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dispose();
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copyData(other);
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return *this;
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}
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DateFormatSymbols::~DateFormatSymbols()
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{
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dispose();
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}
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void DateFormatSymbols::dispose()
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{
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if (fEras) delete[] fEras;
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if (fMonths) delete[] fMonths;
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if (fShortMonths) delete[] fShortMonths;
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if (fWeekdays) delete[] fWeekdays;
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if (fShortWeekdays) delete[] fShortWeekdays;
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if (fAmPms) delete[] fAmPms;
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disposeZoneStrings();
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}
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void DateFormatSymbols::disposeZoneStrings()
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{
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if (fZoneStrings) {
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for (int32_t row=0; row<fZoneStringsRowCount; ++row)
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delete[] fZoneStrings[row];
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delete[] fZoneStrings;
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}
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}
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UBool
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DateFormatSymbols::arrayCompare(const UnicodeString* array1,
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const UnicodeString* array2,
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int32_t count)
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{
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if (array1 == array2) return TRUE;
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while (count>0)
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{
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--count;
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if (array1[count] != array2[count]) return FALSE;
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}
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return TRUE;
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}
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UBool
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DateFormatSymbols::operator==(const DateFormatSymbols& other) const
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{
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// First do cheap comparisons
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if (fErasCount == other.fErasCount &&
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fMonthsCount == other.fMonthsCount &&
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fShortMonthsCount == other.fShortMonthsCount &&
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fWeekdaysCount == other.fWeekdaysCount &&
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fShortWeekdaysCount == other.fShortWeekdaysCount &&
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fAmPmsCount == other.fAmPmsCount &&
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fZoneStringsRowCount == other.fZoneStringsRowCount &&
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fZoneStringsColCount == other.fZoneStringsColCount)
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{
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// Now compare the arrays themselves
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if (arrayCompare(fEras, other.fEras, fErasCount) &&
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arrayCompare(fMonths, other.fMonths, fMonthsCount) &&
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arrayCompare(fShortMonths, other.fShortMonths, fShortMonthsCount) &&
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arrayCompare(fWeekdays, other.fWeekdays, fWeekdaysCount) &&
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arrayCompare(fShortWeekdays, other.fShortWeekdays, fShortWeekdaysCount) &&
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arrayCompare(fAmPms, other.fAmPms, fAmPmsCount))
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{
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if (fZoneStrings == other.fZoneStrings) return TRUE;
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for (int32_t row=0; row<fZoneStringsRowCount; ++row)
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{
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if (!arrayCompare(fZoneStrings[row], other.fZoneStrings[row], fZoneStringsColCount))
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return FALSE;
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}
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return TRUE;
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}
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}
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return FALSE;
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}
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//------------------------------------------------------
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const UnicodeString*
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DateFormatSymbols::getEras(int32_t &count) const
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{
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count = fErasCount;
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return fEras;
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}
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const UnicodeString*
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DateFormatSymbols::getMonths(int32_t &count) const
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{
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count = fMonthsCount;
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return fMonths;
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}
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const UnicodeString*
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DateFormatSymbols::getShortMonths(int32_t &count) const
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{
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count = fShortMonthsCount;
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return fShortMonths;
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}
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const UnicodeString*
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DateFormatSymbols::getWeekdays(int32_t &count) const
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{
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count = fWeekdaysCount;
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return fWeekdays;
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}
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const UnicodeString*
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DateFormatSymbols::getShortWeekdays(int32_t &count) const
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{
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count = fShortWeekdaysCount;
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return fShortWeekdays;
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}
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const UnicodeString*
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DateFormatSymbols::getAmPmStrings(int32_t &count) const
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{
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count = fAmPmsCount;
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return fAmPms;
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}
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//------------------------------------------------------
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void
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DateFormatSymbols::setEras(const UnicodeString* erasArray, int32_t count)
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{
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// delete the old list if we own it
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if (fEras) delete[] fEras;
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// we always own the new list, which we create here (we duplicate rather
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// than adopting the list passed in)
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fEras = new UnicodeString[count];
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uprv_arrayCopy(erasArray,fEras, count);
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fErasCount = count;
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}
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void
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DateFormatSymbols::setMonths(const UnicodeString* monthsArray, int32_t count)
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{
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// delete the old list if we own it
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if (fMonths) delete[] fMonths;
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// we always own the new list, which we create here (we duplicate rather
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// than adopting the list passed in)
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fMonths = new UnicodeString[count];
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uprv_arrayCopy( monthsArray,fMonths,count);
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fMonthsCount = count;
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}
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void
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DateFormatSymbols::setShortMonths(const UnicodeString* shortMonthsArray, int32_t count)
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{
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// delete the old list if we own it
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if (fShortMonths) delete[] fShortMonths;
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// we always own the new list, which we create here (we duplicate rather
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// than adopting the list passed in)
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fShortMonths = new UnicodeString[count];
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uprv_arrayCopy(shortMonthsArray,fShortMonths, count);
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fShortMonthsCount = count;
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}
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void DateFormatSymbols::setWeekdays(const UnicodeString* weekdaysArray, int32_t count)
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{
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// delete the old list if we own it
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if (fWeekdays) delete[] fWeekdays;
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// we always own the new list, which we create here (we duplicate rather
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// than adopting the list passed in)
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fWeekdays = new UnicodeString[count];
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uprv_arrayCopy(weekdaysArray,fWeekdays,count);
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fWeekdaysCount = count;
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}
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void
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DateFormatSymbols::setShortWeekdays(const UnicodeString* shortWeekdaysArray, int32_t count)
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{
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// delete the old list if we own it
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if (fShortWeekdays) delete[] fShortWeekdays;
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// we always own the new list, which we create here (we duplicate rather
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// than adopting the list passed in)
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fShortWeekdays = new UnicodeString[count];
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uprv_arrayCopy( shortWeekdaysArray,fShortWeekdays,count);
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fShortWeekdaysCount = count;
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}
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void
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DateFormatSymbols::setAmPmStrings(const UnicodeString* amPmsArray, int32_t count)
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{
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// delete the old list if we own it
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if (fAmPms) delete[] fAmPms;
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// we always own the new list, which we create here (we duplicate rather
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// than adopting the list passed in)
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fAmPms = new UnicodeString[count];
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uprv_arrayCopy(amPmsArray,fAmPms,count);
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fAmPmsCount = count;
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}
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//------------------------------------------------------
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const UnicodeString**
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DateFormatSymbols::getZoneStrings(int32_t& rowCount, int32_t& columnCount) const
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{
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rowCount = fZoneStringsRowCount;
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columnCount = fZoneStringsColCount;
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return (const UnicodeString**)fZoneStrings; // Compiler requires cast
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}
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void
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DateFormatSymbols::setZoneStrings(const UnicodeString* const *strings, int32_t rowCount, int32_t columnCount)
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{
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// since deleting a 2-d array is a pain in the butt, we offload that task to
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// a separate function
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disposeZoneStrings();
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// we always own the new list, which we create here (we duplicate rather
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// than adopting the list passed in)
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fZoneStringsRowCount = rowCount;
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fZoneStringsColCount = columnCount;
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createZoneStrings((const UnicodeString**)strings);
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}
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//------------------------------------------------------
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const UnicodeString&
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DateFormatSymbols::getPatternChars(void)
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{
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static const UnicodeString gPatternCharsStr(gPatternChars);
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return gPatternCharsStr;
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}
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//------------------------------------------------------
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UnicodeString&
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DateFormatSymbols::getLocalPatternChars(UnicodeString& result) const
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{
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result = fLocalPatternChars;
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return result;
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}
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//------------------------------------------------------
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void
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DateFormatSymbols::setLocalPatternChars(const UnicodeString& newLocalPatternChars)
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{
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fLocalPatternChars = newLocalPatternChars;
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}
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//------------------------------------------------------
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void
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DateFormatSymbols::initField(UnicodeString **field, int32_t& length, const ResourceBundle data, UErrorCode &status) {
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if (U_SUCCESS(status)) {
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length = data.getSize();
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*field = new UnicodeString[length];
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if (*field) {
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for(int32_t i = 0; i<length; i++) {
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*(*(field)+i) = data.getStringEx(i, status);
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}
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}
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else {
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length = 0;
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status = U_MEMORY_ALLOCATION_ERROR;
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}
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}
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}
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void
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DateFormatSymbols::initField(UnicodeString **field, int32_t& length, const UChar *data, LastResortSize numStr, LastResortSize strLen, UErrorCode &status) {
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if (U_SUCCESS(status)) {
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length = numStr;
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*field = new UnicodeString[numStr];
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if (*field) {
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for(int32_t i = 0; i<length; i++) {
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*(*(field)+i) = data+(i*((int32_t)strLen));
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}
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}
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else {
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length = 0;
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status = U_MEMORY_ALLOCATION_ERROR;
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}
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}
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}
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void
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DateFormatSymbols::initializeData(const Locale& locale, UErrorCode& status, UBool useLastResortData)
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{
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int32_t i;
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if (U_FAILURE(status)) return;
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/**
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* Retrieve the string arrays we need from the resource bundle file.
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* We cast away const here, but that's okay; we won't delete any of
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* these.
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*/
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ResourceBundle resource((char *)0, locale, status);
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if (U_FAILURE(status))
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{
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if (useLastResortData)
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{
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// Handle the case in which there is no resource data present.
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// We don't have to generate usable patterns in this situation;
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// we just need to produce something that will be semi-intelligible
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// in most locales.
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status = U_USING_FALLBACK_ERROR;
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initField(&fEras, fErasCount, (const UChar *)gLastResortEras, kEraNum, kEraLen, status);
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initField(&fMonths, fMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
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initField(&fShortMonths, fShortMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
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initField(&fWeekdays, fWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
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initField(&fShortWeekdays, fShortWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
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initField(&fAmPms, fAmPmsCount, (const UChar *)gLastResortAmPmMarkers, kAmPmNum, kAmPmLen, status);
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fZoneStrings = new UnicodeString*[1];
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fZoneStringsRowCount = 1;
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initField(fZoneStrings, fZoneStringsColCount, (const UChar *)gLastResortZoneStrings, kZoneNum, kZoneLen, status);
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fLocalPatternChars = gPatternChars;
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}
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else {
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fEras = NULL;
|
|
fMonths = NULL;
|
|
fShortMonths = NULL;
|
|
fWeekdays = NULL;
|
|
fShortWeekdays = NULL;
|
|
fAmPms = NULL;
|
|
fZoneStrings = NULL;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// if we make it to here, the resource data is cool, and we can get everything out
|
|
// of it that we need except for the time-zone and localized-pattern data, which
|
|
// are stoerd in a separate file
|
|
initField(&fEras, fErasCount, resource.get(SimpleDateFormat::fgErasTag, status), status);
|
|
initField(&fMonths, fMonthsCount, resource.get(SimpleDateFormat::fgMonthNamesTag, status), status);
|
|
initField(&fShortMonths, fShortMonthsCount, resource.get(SimpleDateFormat::fgMonthAbbreviationsTag, status), status);
|
|
initField(&fAmPms, fAmPmsCount, resource.get(SimpleDateFormat::fgAmPmMarkersTag, status), status);
|
|
fLocalPatternChars = resource.getStringEx(SimpleDateFormat::fgLocalPatternCharsTag, status);
|
|
|
|
ResourceBundle zoneArray = resource.get(SimpleDateFormat::fgZoneStringsTag, status);
|
|
fZoneStringsRowCount = zoneArray.getSize();
|
|
ResourceBundle zoneRow = zoneArray.get((int32_t)0, status);
|
|
fZoneStringsColCount = zoneRow.getSize();
|
|
fZoneStrings = new UnicodeString * [fZoneStringsRowCount];
|
|
for(i = 0; i<fZoneStringsRowCount; i++) {
|
|
*(fZoneStrings+i) = new UnicodeString[fZoneStringsColCount];
|
|
zoneRow = zoneArray.get(i, status);
|
|
for(int32_t j = 0; j<fZoneStringsColCount; j++) {
|
|
fZoneStrings[i][j] = zoneRow.getStringEx(j, status);
|
|
}
|
|
}
|
|
|
|
// {sfb} fixed to handle 1-based weekdays
|
|
ResourceBundle weekdaysData = resource.get(SimpleDateFormat::fgDayNamesTag, status);
|
|
fWeekdaysCount = weekdaysData.getSize();
|
|
fWeekdays = new UnicodeString[fWeekdaysCount+1];
|
|
fWeekdays[0] = UnicodeString();
|
|
for(i = 0; i<fWeekdaysCount; i++) {
|
|
fWeekdays[i+1] = weekdaysData.getStringEx(i, status);
|
|
}
|
|
|
|
ResourceBundle lsweekdaysData = resource.get(SimpleDateFormat::fgDayAbbreviationsTag, status);
|
|
fShortWeekdaysCount = lsweekdaysData.getSize();
|
|
fShortWeekdays = new UnicodeString[fShortWeekdaysCount+1];
|
|
fShortWeekdays[0] = UnicodeString();
|
|
for(i = 0; i<fShortWeekdaysCount; i++) {
|
|
fShortWeekdays[i+1] = lsweekdaysData.getStringEx(i, status);
|
|
}
|
|
|
|
fWeekdaysCount = fShortWeekdaysCount = 8;
|
|
|
|
// If the locale data does not include new pattern chars, use the defaults
|
|
if (fLocalPatternChars.length() < PATTERN_CHARS_LEN) {
|
|
fLocalPatternChars.append(&gPatternChars[fLocalPatternChars.length()]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Package private: used by SimpleDateFormat
|
|
* Gets the index for the given time zone ID to obtain the timezone
|
|
* strings for formatting. The time zone ID is just for programmatic
|
|
* lookup. NOT LOCALIZED!!!
|
|
* @param ID the given time zone ID.
|
|
* @return the index of the given time zone ID. Returns -1 if
|
|
* the given time zone ID can't be located in the DateFormatSymbols object.
|
|
* @see java.util.SimpleTimeZone
|
|
*/
|
|
int32_t DateFormatSymbols::getZoneIndex(const UnicodeString& ID) const
|
|
{
|
|
int32_t result = _getZoneIndex(ID);
|
|
if (result >= 0) {
|
|
return result;
|
|
}
|
|
|
|
// Do a search through the equivalency group for the given ID
|
|
int32_t n = TimeZone::countEquivalentIDs(ID);
|
|
if (n > 1) {
|
|
int32_t i;
|
|
for (i=0; i<n; ++i) {
|
|
UnicodeString equivID = TimeZone::getEquivalentID(ID, i);
|
|
if (equivID != ID) {
|
|
int32_t equivResult = _getZoneIndex(equivID);
|
|
if (equivResult >= 0) {
|
|
return equivResult;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Lookup the given ID. Do NOT do an equivalency search.
|
|
*/
|
|
int32_t DateFormatSymbols::_getZoneIndex(const UnicodeString& ID) const
|
|
{
|
|
// {sfb} kludge to support case-insensitive comparison
|
|
UnicodeString lcaseID(ID);
|
|
lcaseID.toLower();
|
|
|
|
for(int32_t index = 0; index < fZoneStringsRowCount; index++) {
|
|
UnicodeString lcase(fZoneStrings[index][0]);
|
|
lcase.toLower();
|
|
if (lcaseID == lcase) {
|
|
return index;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
//eof
|