1382 lines
45 KiB
C++
1382 lines
45 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1997-1999, 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 MSGFMT.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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* 03/20/97 helena Finished first cut of implementation.
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* 04/10/97 aliu Made to work on AIX. Added stoi to replace wtoi.
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* 06/11/97 helena Fixed addPattern to take the pattern correctly.
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* 06/17/97 helena Fixed the getPattern to return the correct pattern.
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* 07/09/97 helena Made ParsePosition into a class.
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* 02/22/99 stephen Removed character literals for EBCDIC safety
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********************************************************************************
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*/
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#include "unicode/msgfmt.h"
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#include "unicode/decimfmt.h"
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#include "unicode/datefmt.h"
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#include "unicode/smpdtfmt.h"
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#include "unicode/choicfmt.h"
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#include "unicode/ustring.h"
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#include "unicode/ucnv_err.h"
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#include "ustrfmt.h"
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// *****************************************************************************
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// class MessageFormat
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// *****************************************************************************
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#define COMMA ((UChar)0x002C)
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#define SINGLE_QUOTE ((UChar)0x0027)
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#define LEFT_CURLY_BRACE ((UChar)0x007B)
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#define RIGHT_CURLY_BRACE ((UChar)0x007D)
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// -------------------------------------
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char MessageFormat::fgClassID = 0; // Value is irrelevant
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//---------------------------------------
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// static data
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static const UChar g_umsg_number[] = {
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0x6E, 0x75, 0x6D, 0x62, 0x65, 0x72, 0 /* "number" */
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};
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static const UChar g_umsg_date[] = {
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0x64, 0x61, 0x74, 0x65, 0 /* "date" */
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};
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static const UChar g_umsg_time[] = {
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0x74, 0x69, 0x6D, 0x65, 0 /* "time" */
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};
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static const UChar g_umsg_choice[] = {
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0x63, 0x68, 0x6F, 0x69, 0x63, 0x65, 0 /* "choice" */
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};
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// MessageFormat Type List Number, Date, Time or Choice
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static const UChar *g_umsgTypeList[] = {
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NULL, NULL, g_umsg_number,
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NULL, g_umsg_date, NULL,
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g_umsg_time, NULL, g_umsg_choice
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};
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static const UChar g_umsg_currency[] = {
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0x63, 0x75, 0x72, 0x72, 0x65, 0x6E, 0x63, 0x79, 0 /* "currency" */
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};
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static const UChar g_umsg_percent[] = {
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0x70, 0x65, 0x72, 0x63, 0x65, 0x6E, 0x74, 0 /* "percent" */
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};
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static const UChar g_umsg_integer[] = {
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0x69, 0x6E, 0x74, 0x65, 0x67, 0x65, 0x72, 0 /* "integer" */
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};
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// NumberFormat modifier list, default, currency, percent or integer
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static const UChar *g_umsgModifierList[] = {
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NULL, NULL, g_umsg_currency,
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NULL, g_umsg_percent, NULL,
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g_umsg_integer, NULL, NULL
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};
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static const UChar g_umsg_short[] = {
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0x73, 0x68, 0x6F, 0x72, 0x74, 0 /* "short" */
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};
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static const UChar g_umsg_medium[] = {
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0x6D, 0x65, 0x64, 0x69, 0x75, 0x6D, 0 /* "medium" */
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};
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static const UChar g_umsg_long[] = {
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0x6C, 0x6F, 0x6E, 0x67, 0 /* "long" */
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};
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static const UChar g_umsg_full[] = {
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0x66, 0x75, 0x6C, 0x6C, 0 /* "full" */
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};
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// DateFormat modifier list, default, short, medium, long or full
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static const UChar *g_umsgDateModifierList[] = {
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NULL, NULL, g_umsg_short,
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NULL, g_umsg_medium, NULL,
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g_umsg_long, NULL, g_umsg_full
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};
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static const int32_t g_umsgListLength = 9;
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//--------------------------------------
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// This global NumberFormat instance is shared by all MessageFormat to
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// convert a number to(format)/from(parse) a string.
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//NumberFormat* MessageFormat::fgNumberFormat = 0;
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// -------------------------------------
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// Creates a MessageFormat instance based on the pattern.
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MessageFormat::MessageFormat(const UnicodeString& pattern,
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UErrorCode& success)
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: fLocale(Locale::getDefault()), // Uses the default locale
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fOffsets(NULL),
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fCount(kMaxFormat),
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fArgumentNumbers(NULL)
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{
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fOffsets = new int32_t[fCount];
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fArgumentNumbers = new int32_t[fCount];
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for (int32_t i = 0; i < fCount; i++) {
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fFormats[i] = NULL; // Format instances
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fOffsets[i] = 0; // Starting offset
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fArgumentNumbers[i] = 0; // Argument numbers.
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}
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applyPattern(pattern, success);
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}
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MessageFormat::MessageFormat(const UnicodeString& pattern,
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const Locale& newLocale,
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UErrorCode& success)
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: fLocale(newLocale), // Uses the default locale
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fOffsets(NULL),
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fCount(0),
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fArgumentNumbers(NULL)
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{
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fCount = kMaxFormat;
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fOffsets = new int32_t[fCount];
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fArgumentNumbers = new int32_t[fCount];
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for (int32_t i = 0; i < fCount; i++) {
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fFormats[i] = NULL; // Format instances
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fOffsets[i] = 0; // Starting offset
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fArgumentNumbers[i] = 0; // Argument numbers.
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}
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applyPattern(pattern, success);
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}
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MessageFormat::MessageFormat(const UnicodeString& pattern,
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const Locale& newLocale,
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UParseError& parseError,
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UErrorCode& success)
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: fLocale(newLocale), // Uses the default locale
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fOffsets(NULL),
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fCount(0),
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fArgumentNumbers(NULL)
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{
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fCount = kMaxFormat;
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fOffsets = new int32_t[fCount];
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fArgumentNumbers = new int32_t[fCount];
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for (int32_t i = 0; i < fCount; i++) {
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fFormats[i] = NULL; // Format instances
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fOffsets[i] = 0; // Starting offset
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fArgumentNumbers[i] = 0; // Argument numbers.
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}
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applyPattern(pattern,parseError, success);
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}
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MessageFormat::~MessageFormat()
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{
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for (int32_t i = 0; i < fCount; i++)
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delete fFormats[i];
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delete [] fOffsets;
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delete [] fArgumentNumbers;
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fCount = 0;
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}
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// -------------------------------------
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// copy constructor
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MessageFormat::MessageFormat(const MessageFormat& that)
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: Format(that),
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fLocale(that.fLocale),
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fPattern(that.fPattern),
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fOffsets(new int32_t[that.fCount]),
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fCount(that.fCount),
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fArgumentNumbers(new int32_t[that.fCount]),
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fMaxOffset(that.fMaxOffset)
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{
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// Sets up the format instance array, offsets and argument numbers.
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for (int32_t i = 0; i < fCount; i++) {
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fFormats[i] = NULL; // init since delete may be called
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if (that.fFormats[i] != NULL) {
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setFormat(i, *(that.fFormats[i]) ); // setFormat clones the format
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}
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fOffsets[i] = that.fOffsets[i];
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fArgumentNumbers[i] = that.fArgumentNumbers[i];
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}
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}
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// -------------------------------------
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// assignment operator
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const MessageFormat&
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MessageFormat::operator=(const MessageFormat& that)
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{
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if (this != &that) {
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// Calls the super class for assignment first.
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Format::operator=(that);
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// Cleans up the format array and the offsets, argument numbers.
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for (int32_t j = 0; j < fCount; j++) {
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delete fFormats[j];
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fFormats[j] = NULL;
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}
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delete [] fOffsets; fOffsets = NULL;
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delete [] fArgumentNumbers; fArgumentNumbers = NULL;
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fPattern = that.fPattern;
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fLocale = that.fLocale;
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fCount = that.fCount;
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fMaxOffset = that.fMaxOffset;
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fOffsets = new int32_t[fCount];
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fArgumentNumbers = new int32_t[fCount];
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// Sets up the format instance array, offsets and argument numbers.
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for (int32_t i = 0; i < fCount; i++) {
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if (that.fFormats[i] == NULL) {
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fFormats[i] = NULL;
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}else{
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adoptFormat(i, that.fFormats[i]->clone());
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}
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fOffsets[i] = that.fOffsets[i];
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fArgumentNumbers[i] = that.fArgumentNumbers[i];
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}
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}
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return *this;
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}
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UBool
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MessageFormat::operator==(const Format& that) const
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{
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if (this == &that) return TRUE;
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// Are the instances derived from the same Format class?
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if (getStaticClassID() != that.getDynamicClassID()) return FALSE; // not the same class
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// Calls the super class for equality check first.
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if (!Format::operator==(that)) return FALSE;
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MessageFormat& thatAlias = (MessageFormat&)that;
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// Checks the pattern, locale and array count of this MessageFormat object.
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if (fMaxOffset != thatAlias.fMaxOffset) return FALSE;
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if (fPattern != thatAlias.fPattern) return FALSE;
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if (fLocale != thatAlias.fLocale) return FALSE;
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if (fCount != thatAlias.fCount) return FALSE;
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// Checks each element in the arrays for equality last.
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for (int32_t i = 0; i < fCount; i++) {
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if ((fFormats[i] != thatAlias.fFormats[i]) ||
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(fOffsets[i] != thatAlias.fOffsets[i]) ||
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(fArgumentNumbers[i] != thatAlias.fArgumentNumbers[i]))
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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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// Creates a copy of this MessageFormat, the caller owns the copy.
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Format*
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MessageFormat::clone() const
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{
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MessageFormat *aCopy = new MessageFormat(*this);
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return aCopy;
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}
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// -------------------------------------
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// Sets the locale of this MessageFormat object to theLocale.
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void
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MessageFormat::setLocale(const Locale& theLocale)
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{
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fLocale = theLocale;
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}
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// -------------------------------------
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// Gets the locale of this MessageFormat object.
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const Locale&
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MessageFormat::getLocale() const
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{
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return fLocale;
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}
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#if 0
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// -------------------------------------
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// Applies the new pattern and returns an error if the pattern
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// is not correct.
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// For example, consider the pattern,
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// "There {0,choice,0#are no files|1#is one file|1<are {0,number,integer} files}"
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// The segments would look like the following,
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// segments[0] == "There "
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// segments[1] == "0"
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// segments[2] == "{0,choice,0#are no files|1#is one file|1<are {0,number,integer}"
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// segments[3] == " files"
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void
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MessageFormat::applyPattern(const UnicodeString& newPattern,
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UErrorCode& success)
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{
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UnicodeString segments[4];
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int32_t part = 0;
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int32_t formatNumber = 0;
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UBool inQuote = FALSE;
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int32_t braceStack = 0;
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fMaxOffset = -1;
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for (int i = 0; i < newPattern.length(); ++i) {
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UChar ch = newPattern[i];
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if (part == 0) {
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if (ch == SINGLE_QUOTE) {
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if (i + 1 < newPattern.length()
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&& newPattern[i+1] == SINGLE_QUOTE) {
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segments[part] += ch; // handle doubles
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++i;
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} else {
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inQuote = !inQuote;
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}
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} else if (ch == LEFT_CURLY_BRACE && !inQuote) {
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part = 1;
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} else {
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segments[part] += ch;
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}
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} else if (inQuote) { // just copy quotes in parts
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segments[part] += ch;
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if (ch == SINGLE_QUOTE) {
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inQuote = FALSE;
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}
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} else {
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switch (ch) {
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case COMMA:
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if (part < 3)
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part += 1;
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else
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segments[part] += ch;
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break;
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case LEFT_CURLY_BRACE:
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++braceStack;
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segments[part] += ch;
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break;
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case RIGHT_CURLY_BRACE:
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if (braceStack == 0) {
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part = 0;
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makeFormat(/*i,*/ formatNumber, segments, success);
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if(U_FAILURE(success))
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return;
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formatNumber++;
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} else {
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--braceStack;
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segments[part] += ch;
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}
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break;
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case SINGLE_QUOTE:
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inQuote = TRUE;
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// fall through, so we keep quotes in other parts
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default:
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segments[part] += ch;
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break;
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}
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}
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}
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if (braceStack == 0 && part != 0) {
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fMaxOffset = -1;
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success = U_INVALID_FORMAT_ERROR;
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return;
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//throw new IllegalArgumentException("Unmatched braces in the pattern.");
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}
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fPattern = segments[0];
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}
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#endif
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void
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MessageFormat::applyPattern(const UnicodeString& newPattern,
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UErrorCode& status)
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{
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UParseError parseError;
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applyPattern(newPattern,parseError,status);
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}
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void
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MessageFormat::applyPattern(const UnicodeString& newPattern,
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UParseError& parseError,
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UErrorCode& success)
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{
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if(U_FAILURE(success))
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{
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return;
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}
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UnicodeString segments[4];
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int32_t part = 0;
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int32_t formatNumber = 0;
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UBool inQuote = FALSE;
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int32_t braceStack = 0;
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int32_t i = 0;
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fMaxOffset = -1;
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// Clear error struct
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parseError.offset = 0;
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parseError.preContext[0] = parseError.postContext[0] = (UChar)0;
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int32_t patLen = newPattern.length();
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for (; i < patLen; ++i) {
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UChar ch = newPattern[i];
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if (part == 0) {
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if (ch == SINGLE_QUOTE) {
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if (i + 1 < patLen && newPattern[i+1] == SINGLE_QUOTE) {
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segments[part] += ch; // handle doubles
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++i;
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} else {
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inQuote = !inQuote;
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}
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} else if (ch == LEFT_CURLY_BRACE && !inQuote) {
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part = 1;
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} else {
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segments[part] += ch;
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}
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} else if (inQuote) { // just copy quotes in parts
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segments[part] += ch;
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if (ch == SINGLE_QUOTE) {
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inQuote = FALSE;
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}
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} else {
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switch (ch) {
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case COMMA:
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if (part < 3)
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part += 1;
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else
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segments[part] += ch;
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break;
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case LEFT_CURLY_BRACE:
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++braceStack;
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segments[part] += ch;
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break;
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case RIGHT_CURLY_BRACE:
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if (braceStack == 0) {
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part = 0;
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makeFormat(/*i,*/ formatNumber, segments, parseError,success);
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if(U_FAILURE(success)){
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syntaxError(newPattern,i,parseError);
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return;
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}
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formatNumber++;
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} else {
|
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--braceStack;
|
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segments[part] += ch;
|
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}
|
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break;
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case SINGLE_QUOTE:
|
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inQuote = TRUE;
|
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// fall through, so we keep quotes in other parts
|
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default:
|
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segments[part] += ch;
|
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break;
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}
|
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}
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}
|
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if (braceStack == 0 && part != 0) {
|
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fMaxOffset = -1;
|
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success = U_UNMATCHED_BRACES;
|
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syntaxError(newPattern,i,parseError);
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return;
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//throw new IllegalArgumentException("Unmatched braces in the pattern.");
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}
|
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fPattern = segments[0];
|
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fListCount = formatNumber;
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}
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// -------------------------------------
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// Converts this MessageFormat instance to a pattern.
|
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UnicodeString&
|
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MessageFormat::toPattern(UnicodeString& result) const
|
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{
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// later, make this more extensible
|
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int32_t lastOffset = 0;
|
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for (int i = 0; i <= fMaxOffset; ++i) {
|
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copyAndFixQuotes(fPattern, lastOffset, fOffsets[i], result);
|
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lastOffset = fOffsets[i];
|
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result += LEFT_CURLY_BRACE;
|
|
// {sfb} check this later
|
|
//result += (UChar) (fArgumentNumbers[i] + '0');
|
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UnicodeString temp;
|
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result += itos(fArgumentNumbers[i], temp);
|
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if (fFormats[i] == NULL) {
|
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// do nothing, string format
|
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}
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else if (fFormats[i]->getDynamicClassID() == DecimalFormat::getStaticClassID()) {
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|
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UErrorCode status = U_ZERO_ERROR;
|
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NumberFormat& formatAlias = *(NumberFormat*)fFormats[i];
|
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NumberFormat *numberTemplate = NumberFormat::createInstance(fLocale, status);
|
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NumberFormat *currencyTemplate = NumberFormat::createCurrencyInstance(fLocale, status);
|
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NumberFormat *percentTemplate = NumberFormat::createPercentInstance(fLocale, status);
|
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NumberFormat *integerTemplate = createIntegerFormat(fLocale, status);
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|
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result += COMMA;
|
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result += g_umsg_number;
|
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if (formatAlias != *numberTemplate) {
|
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result += COMMA;
|
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if (formatAlias == *currencyTemplate) {
|
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result += g_umsg_currency;
|
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}
|
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else if (formatAlias == *percentTemplate) {
|
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result += g_umsg_percent;
|
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}
|
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else if (formatAlias == *integerTemplate) {
|
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result += g_umsg_integer;
|
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}
|
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else {
|
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UnicodeString buffer;
|
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result += ((DecimalFormat*)fFormats[i])->toPattern(buffer);
|
|
}
|
|
}
|
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|
|
delete numberTemplate;
|
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delete currencyTemplate;
|
|
delete percentTemplate;
|
|
delete integerTemplate;
|
|
}
|
|
else if (fFormats[i]->getDynamicClassID() == SimpleDateFormat::getStaticClassID()) {
|
|
DateFormat& formatAlias = *(DateFormat*)fFormats[i];
|
|
DateFormat *defaultDateTemplate = DateFormat::createDateInstance(DateFormat::kDefault, fLocale);
|
|
DateFormat *shortDateTemplate = DateFormat::createDateInstance(DateFormat::kShort, fLocale);
|
|
DateFormat *longDateTemplate = DateFormat::createDateInstance(DateFormat::kLong, fLocale);
|
|
DateFormat *fullDateTemplate = DateFormat::createDateInstance(DateFormat::kFull, fLocale);
|
|
DateFormat *defaultTimeTemplate = DateFormat::createTimeInstance(DateFormat::kDefault, fLocale);
|
|
DateFormat *shortTimeTemplate = DateFormat::createTimeInstance(DateFormat::kShort, fLocale);
|
|
DateFormat *longTimeTemplate = DateFormat::createTimeInstance(DateFormat::kLong, fLocale);
|
|
DateFormat *fullTimeTemplate = DateFormat::createTimeInstance(DateFormat::kFull, fLocale);
|
|
|
|
|
|
result += COMMA;
|
|
if (formatAlias == *defaultDateTemplate) {
|
|
result += g_umsg_date;
|
|
}
|
|
else if (formatAlias == *shortDateTemplate) {
|
|
result += g_umsg_date;
|
|
result += COMMA;
|
|
result += g_umsg_short;
|
|
}
|
|
else if (formatAlias == *defaultDateTemplate) {
|
|
result += g_umsg_date;
|
|
result += COMMA;
|
|
result += g_umsg_medium;
|
|
}
|
|
else if (formatAlias == *longDateTemplate) {
|
|
result += g_umsg_date;
|
|
result += COMMA;
|
|
result += g_umsg_long;
|
|
}
|
|
else if (formatAlias == *fullDateTemplate) {
|
|
result += g_umsg_date;
|
|
result += COMMA;
|
|
result += g_umsg_full;
|
|
}
|
|
else if (formatAlias == *defaultTimeTemplate) {
|
|
result += g_umsg_time;
|
|
}
|
|
else if (formatAlias == *shortTimeTemplate) {
|
|
result += g_umsg_time;
|
|
result += COMMA;
|
|
result += g_umsg_short;
|
|
}
|
|
else if (formatAlias == *defaultTimeTemplate) {
|
|
result += g_umsg_time;
|
|
result += COMMA;
|
|
result += g_umsg_medium;
|
|
}
|
|
else if (formatAlias == *longTimeTemplate) {
|
|
result += g_umsg_time;
|
|
result += COMMA;
|
|
result += g_umsg_long;
|
|
}
|
|
else if (formatAlias == *fullTimeTemplate) {
|
|
result += g_umsg_time;
|
|
result += COMMA;
|
|
result += g_umsg_full;
|
|
}
|
|
else {
|
|
UnicodeString buffer;
|
|
result += g_umsg_date;
|
|
result += COMMA;
|
|
result += ((SimpleDateFormat*)fFormats[i])->toPattern(buffer);
|
|
}
|
|
|
|
delete defaultDateTemplate;
|
|
delete shortDateTemplate;
|
|
delete longDateTemplate;
|
|
delete fullDateTemplate;
|
|
delete defaultTimeTemplate;
|
|
delete shortTimeTemplate;
|
|
delete longTimeTemplate;
|
|
delete fullTimeTemplate;
|
|
// {sfb} there should be a more efficient way to do this!
|
|
}
|
|
else if (fFormats[i]->getDynamicClassID() == ChoiceFormat::getStaticClassID()) {
|
|
UnicodeString buffer;
|
|
result += COMMA;
|
|
result += g_umsg_choice;
|
|
result += COMMA;
|
|
result += ((ChoiceFormat*)fFormats[i])->toPattern(buffer);
|
|
}
|
|
else {
|
|
//result += ", unknown";
|
|
}
|
|
result += RIGHT_CURLY_BRACE;
|
|
}
|
|
copyAndFixQuotes(fPattern, lastOffset, fPattern.length(), result);
|
|
return result;
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Adopts the new formats array and updates the array count.
|
|
// This MessageFormat instance owns the new formats.
|
|
|
|
void
|
|
MessageFormat::adoptFormats(Format** newFormats,
|
|
int32_t cnt)
|
|
{
|
|
if(newFormats == NULL || cnt < 0)
|
|
return;
|
|
|
|
int32_t i;
|
|
// Cleans up first.
|
|
for (i = 0; i < fCount; i++)
|
|
delete fFormats[i];
|
|
fCount = (cnt > kMaxFormat) ? kMaxFormat : cnt;
|
|
for (i = 0; i < fCount; i++)
|
|
fFormats[i] = newFormats[i];
|
|
for (i = kMaxFormat; i < cnt; i++)
|
|
delete newFormats[i];
|
|
}
|
|
// -------------------------------------
|
|
// Sets the new formats array and updates the array count.
|
|
// This MessageFormat instance maks a copy of the new formats.
|
|
|
|
void
|
|
MessageFormat::setFormats(const Format** newFormats,
|
|
int32_t cnt)
|
|
{
|
|
if(newFormats == NULL || cnt < 0)
|
|
return;
|
|
|
|
int32_t i;
|
|
// Cleans up first.
|
|
for (i = 0; i < fCount; i++) {
|
|
delete fFormats[i];
|
|
}
|
|
fCount = (cnt > kMaxFormat) ? kMaxFormat : cnt;
|
|
for (i = 0; i < fCount; i++) {
|
|
if (newFormats[i] == NULL) {
|
|
fFormats[i] = NULL;
|
|
}
|
|
else{
|
|
fFormats[i] = newFormats[i]->clone();
|
|
}
|
|
}
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Adopts the first *variable* formats in the format array.
|
|
// This MessageFormat instance owns the new formats.
|
|
// Do nothing is the variable is not less than the array count.
|
|
|
|
void
|
|
MessageFormat::adoptFormat(int32_t variable, Format *newFormat)
|
|
{
|
|
if(variable < 0)
|
|
return;
|
|
|
|
if (variable < fCount) {
|
|
// Deletes the old formats.
|
|
delete fFormats[variable];
|
|
fFormats[variable] = newFormat;
|
|
}
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Sets the first *variable* formats in the format array, this
|
|
// MessageFormat instance makes copies of the new formats.
|
|
// Do nothing is the variable is not less than the array count.
|
|
|
|
void
|
|
MessageFormat::setFormat(int32_t variable, const Format& newFormat)
|
|
{
|
|
if (variable < fCount) {
|
|
delete fFormats[variable];
|
|
if (&(newFormat) == NULL) {
|
|
fFormats[variable] = NULL;
|
|
}
|
|
else{
|
|
fFormats[variable] = newFormat.clone();
|
|
}
|
|
}
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Gets the format array.
|
|
|
|
const Format**
|
|
MessageFormat::getFormats(int32_t& cnt) const
|
|
{
|
|
cnt = fCount;
|
|
return (const Format**)fFormats;
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Formats the source Formattable array and copy into the result buffer.
|
|
// Ignore the FieldPosition result for error checking.
|
|
|
|
UnicodeString&
|
|
MessageFormat::format(const Formattable* source,
|
|
int32_t cnt,
|
|
UnicodeString& result,
|
|
FieldPosition& ignore,
|
|
UErrorCode& success) const
|
|
{
|
|
if (U_FAILURE(success))
|
|
return result;
|
|
|
|
return format(source, cnt, result, ignore, 0, success);
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Internally creates a MessageFormat instance based on the
|
|
// pattern and formats the arguments Formattable array and
|
|
// copy into the result buffer.
|
|
|
|
UnicodeString&
|
|
MessageFormat::format( const UnicodeString& pattern,
|
|
const Formattable* arguments,
|
|
int32_t cnt,
|
|
UnicodeString& result,
|
|
UErrorCode& success)
|
|
{
|
|
// {sfb} why does this use a local when so many other places use a static?
|
|
MessageFormat *temp = new MessageFormat(pattern, success);
|
|
if (U_FAILURE(success))
|
|
return result;
|
|
FieldPosition ignore(0);
|
|
temp->format(arguments, cnt, result, ignore, success);
|
|
delete temp;
|
|
return result;
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Formats the source Formattable object and copy into the
|
|
// result buffer. The Formattable object must be an array
|
|
// of Formattable instances, returns error otherwise.
|
|
|
|
UnicodeString&
|
|
MessageFormat::format(const Formattable& source,
|
|
UnicodeString& result,
|
|
FieldPosition& ignore,
|
|
UErrorCode& success) const
|
|
{
|
|
int32_t cnt;
|
|
|
|
if (U_FAILURE(success))
|
|
return result;
|
|
if (source.getType() != Formattable::kArray) {
|
|
success = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
const Formattable* tmpPtr = source.getArray(cnt);
|
|
|
|
return format(tmpPtr, cnt, result, ignore, 0, success);
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Formats the arguments Formattable array and copy into the result buffer.
|
|
// Ignore the FieldPosition result for error checking.
|
|
|
|
UnicodeString&
|
|
MessageFormat::format(const Formattable* arguments,
|
|
int32_t cnt,
|
|
UnicodeString& result,
|
|
FieldPosition& status,
|
|
int32_t recursionProtection,
|
|
UErrorCode& success) const
|
|
{
|
|
if(/*arguments == NULL ||*/ cnt < 0) {
|
|
success = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
|
|
UnicodeString buffer;
|
|
|
|
int32_t lastOffset = 0;
|
|
for (int32_t i = 0; i <= fMaxOffset;++i) {
|
|
// Cleans up the temp buffer for each formattable arguments.
|
|
buffer.remove();
|
|
// Append the prefix of current format element.
|
|
fPattern.extract(lastOffset, fOffsets[i] - lastOffset, buffer);
|
|
result += buffer;
|
|
lastOffset = fOffsets[i];
|
|
int32_t argumentNumber = fArgumentNumbers[i];
|
|
// Checks the scope of the argument number.
|
|
if (argumentNumber >= cnt) {
|
|
/*success = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;*/
|
|
result += LEFT_CURLY_BRACE;
|
|
UnicodeString temp;
|
|
result += itos(argumentNumber, temp);
|
|
result += RIGHT_CURLY_BRACE;
|
|
continue;
|
|
}
|
|
|
|
Formattable obj = arguments[argumentNumber];
|
|
UnicodeString arg;
|
|
UBool tryRecursion = FALSE;
|
|
// Recursively calling the format process only if the current format argument
|
|
// refers to a ChoiceFormat object.
|
|
if (fFormats[i] != NULL) {
|
|
fFormats[i]->format(obj, arg, success);
|
|
tryRecursion = (fFormats[i]->getDynamicClassID() == ChoiceFormat::getStaticClassID());
|
|
}
|
|
// If the obj data type if a number, use a NumberFormat instance.
|
|
else if ((obj.getType() == Formattable::kDouble) ||
|
|
(obj.getType() == Formattable::kLong)) {
|
|
NumberFormat *numTemplate = NULL;
|
|
numTemplate = NumberFormat::createInstance(fLocale, success);
|
|
if (U_FAILURE(success)) {
|
|
delete numTemplate;
|
|
return result;
|
|
}
|
|
numTemplate->format((obj.getType() == Formattable::kDouble) ? obj.getDouble() : obj.getLong(), arg);
|
|
delete numTemplate;
|
|
if (U_FAILURE(success))
|
|
return result;
|
|
}
|
|
// If the obj data type is a Date instance, use a DateFormat instance.
|
|
else if (obj.getType() == Formattable::kDate) {
|
|
DateFormat *dateTemplate = NULL;
|
|
dateTemplate = DateFormat::createDateTimeInstance(DateFormat::kShort, DateFormat::kShort, fLocale);
|
|
dateTemplate->format(obj.getDate(), arg);
|
|
delete dateTemplate;
|
|
}
|
|
else if (obj.getType() == Formattable::kString) {
|
|
obj.getString(arg);
|
|
}
|
|
else {
|
|
#ifdef LIUDEBUG
|
|
cerr << "Unknown object of type:" << obj.getType() << endl;
|
|
#endif
|
|
success = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
// Needs to reprocess the ChoiceFormat option by using the MessageFormat
|
|
// pattern application.
|
|
if (tryRecursion && arg.indexOf(LEFT_CURLY_BRACE) >= 0) {
|
|
MessageFormat *temp = NULL;
|
|
temp = new MessageFormat(arg, fLocale, success);
|
|
if (U_FAILURE(success))
|
|
return result;
|
|
temp->format(arguments, cnt, result, status, recursionProtection, success);
|
|
if (U_FAILURE(success)) {
|
|
delete temp;
|
|
return result;
|
|
}
|
|
delete temp;
|
|
}
|
|
else {
|
|
result += arg;
|
|
}
|
|
}
|
|
buffer.remove();
|
|
// Appends the rest of the pattern characters after the real last offset.
|
|
fPattern.extract(lastOffset, fPattern.length(), buffer);
|
|
result += buffer;
|
|
return result;
|
|
}
|
|
|
|
|
|
// -------------------------------------
|
|
// Parses the source pattern and returns the Formattable objects array,
|
|
// the array count and the ending parse position. The caller of this method
|
|
// owns the array.
|
|
|
|
Formattable*
|
|
MessageFormat::parse(const UnicodeString& source,
|
|
ParsePosition& status,
|
|
int32_t& count) const
|
|
{
|
|
Formattable *resultArray = new Formattable[kMaxFormat];
|
|
int32_t patternOffset = 0;
|
|
int32_t sourceOffset = status.getIndex();
|
|
ParsePosition tempStatus(0);
|
|
count = 0; // {sfb} reset to zero
|
|
for (int32_t i = 0; i <= fMaxOffset; ++i) {
|
|
// match up to format
|
|
int32_t len = fOffsets[i] - patternOffset;
|
|
if (len == 0 ||
|
|
fPattern.compare(patternOffset, len, source, sourceOffset, len) == 0) {
|
|
sourceOffset += len;
|
|
patternOffset += len;
|
|
}
|
|
else {
|
|
status.setErrorIndex(sourceOffset);
|
|
delete [] resultArray;
|
|
count = 0;
|
|
return NULL; // leave index as is to signal error
|
|
}
|
|
|
|
// now use format
|
|
if (fFormats[i] == NULL) { // string format
|
|
// if at end, use longest possible match
|
|
// otherwise uses first match to intervening string
|
|
// does NOT recursively try all possibilities
|
|
int32_t tempLength = (i != fMaxOffset) ? fOffsets[i+1] : fPattern.length();
|
|
|
|
int32_t next;
|
|
if (patternOffset >= tempLength) {
|
|
next = source.length();
|
|
}
|
|
else {
|
|
UnicodeString buffer;
|
|
fPattern.extract(patternOffset,tempLength - patternOffset, buffer);
|
|
next = source.indexOf(buffer, sourceOffset);
|
|
}
|
|
|
|
if (next < 0) {
|
|
status.setErrorIndex(sourceOffset);
|
|
delete [] resultArray;
|
|
count = 0;
|
|
return NULL; // leave index as is to signal error
|
|
}
|
|
else {
|
|
UnicodeString buffer;
|
|
source.extract(sourceOffset,next - sourceOffset, buffer);
|
|
UnicodeString strValue = buffer;
|
|
UnicodeString temp(LEFT_CURLY_BRACE);
|
|
// {sfb} check this later
|
|
UnicodeString temp1;
|
|
temp += itos(fArgumentNumbers[i], temp1);
|
|
temp += RIGHT_CURLY_BRACE;
|
|
if (strValue != temp) {
|
|
source.extract(sourceOffset,next - sourceOffset, buffer);
|
|
resultArray[fArgumentNumbers[i]].setString(buffer);
|
|
// {sfb} not sure about this
|
|
if ((fArgumentNumbers[i] + 1) > count) {
|
|
count = (fArgumentNumbers[i] + 1);
|
|
}
|
|
}
|
|
sourceOffset = next;
|
|
}
|
|
}
|
|
else {
|
|
tempStatus.setIndex(sourceOffset);
|
|
fFormats[i]->parseObject(source, resultArray[fArgumentNumbers[i]], tempStatus);
|
|
if (tempStatus.getIndex() == sourceOffset) {
|
|
status.setErrorIndex(sourceOffset);
|
|
delete [] resultArray;
|
|
count = 0;
|
|
return NULL; // leave index as is to signal error
|
|
}
|
|
|
|
if ((fArgumentNumbers[i] + 1) > count)
|
|
count = (fArgumentNumbers[i] + 1);
|
|
|
|
sourceOffset = tempStatus.getIndex(); // update
|
|
}
|
|
}
|
|
int32_t len = fPattern.length() - patternOffset;
|
|
if (len == 0 ||
|
|
fPattern.compare(patternOffset, len, source, sourceOffset, len) == 0) {
|
|
status.setIndex(sourceOffset + len);
|
|
}
|
|
else {
|
|
status.setErrorIndex(sourceOffset);
|
|
delete [] resultArray;
|
|
count = 0;
|
|
return NULL; // leave index as is to signal error
|
|
}
|
|
|
|
return resultArray;
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Parses the source string and returns the array of
|
|
// Formattable objects and the array count. The caller
|
|
// owns the returned array.
|
|
|
|
Formattable*
|
|
MessageFormat::parse(const UnicodeString& source,
|
|
int32_t& cnt,
|
|
UErrorCode& success) const
|
|
{
|
|
ParsePosition status(0);
|
|
// Calls the actual implementation method and starts
|
|
// from zero offset of the source text.
|
|
Formattable* result = parse(source, status, cnt);
|
|
if (status.getIndex() == 0) {
|
|
success = U_MESSAGE_PARSE_ERROR;
|
|
return NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Parses the source text and copy into the result buffer.
|
|
|
|
void
|
|
MessageFormat::parseObject( const UnicodeString& source,
|
|
Formattable& result,
|
|
ParsePosition& status) const
|
|
{
|
|
int32_t cnt = 0;
|
|
Formattable* tmpResult = parse(source, status, cnt);
|
|
if (tmpResult != NULL)
|
|
result.adoptArray(tmpResult, cnt);
|
|
}
|
|
|
|
// -------------------------------------
|
|
// NumberFormat cache management
|
|
|
|
/*
|
|
NumberFormat*
|
|
MessageFormat::getNumberFormat(UErrorCode &status)
|
|
{
|
|
NumberFormat *theFormat = 0;
|
|
|
|
if (fgNumberFormat != 0) // if there's something in the cache
|
|
{
|
|
Mutex lock;
|
|
|
|
if (fgNumberFormat != 0) // Someone might have grabbed it.
|
|
{
|
|
theFormat = fgNumberFormat;
|
|
fgNumberFormat = 0; // We have exclusive right to this formatter.
|
|
}
|
|
}
|
|
|
|
if(theFormat == 0) // If we weren't able to pull it out of the cache, then we have to create it.
|
|
{
|
|
theFormat = NumberFormat::createInstance(Locale::US, status);
|
|
if(U_FAILURE(status))
|
|
return 0;
|
|
theFormat->setParseIntegerOnly(TRUE);
|
|
}
|
|
|
|
return theFormat;
|
|
}
|
|
|
|
void
|
|
MessageFormat::releaseNumberFormat(NumberFormat *adopt)
|
|
{
|
|
if(fgNumberFormat == 0) // If the cache is empty we must add it back.
|
|
{
|
|
Mutex lock;
|
|
|
|
if(fgNumberFormat == 0)
|
|
{
|
|
fgNumberFormat = adopt;
|
|
adopt = 0;
|
|
}
|
|
}
|
|
|
|
delete adopt;
|
|
}
|
|
*/
|
|
|
|
/**
|
|
* Converts a string to an integer value using a default NumberFormat object
|
|
* which is static (shared by all MessageFormat instances). This replaces
|
|
* a call to wtoi().
|
|
*/
|
|
int32_t
|
|
MessageFormat::stoi(const UnicodeString& string)
|
|
{
|
|
/*
|
|
NumberFormat *myFormat = getNumberFormat(status);
|
|
|
|
if(U_FAILURE(status))
|
|
return -1; // OK?
|
|
|
|
Formattable result;
|
|
// Uses the global number formatter to parse the string.
|
|
// Note: We assume here that parse() is thread-safe.
|
|
myFormat->parse(string, result, status);
|
|
releaseNumberFormat(myFormat);
|
|
|
|
int32_t value = 0;
|
|
if (U_SUCCESS(status) && result.getType() == Formattable::kLong)
|
|
value = result.getLong();
|
|
|
|
|
|
return value;
|
|
*/
|
|
|
|
/* this ignores any white spaces between '{' and digit char
|
|
* so now we can have { 0, date} {0 , date }
|
|
*/
|
|
for(int i=0;i<string.length();i++){
|
|
UChar32 ch = string.char32At(i);
|
|
if(u_isdigit(ch)){
|
|
return u_charDigitValue(ch);
|
|
}else if(!u_isspace(ch)){
|
|
break;
|
|
}
|
|
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
// -------------------------------------
|
|
|
|
/**
|
|
* Converts an integer value to a string using a default NumberFormat object
|
|
* which is static (shared by all MessageFormat instances). This replaces
|
|
* a call to wtoi().
|
|
*/
|
|
UnicodeString&
|
|
MessageFormat::itos(int32_t i,
|
|
UnicodeString& string)
|
|
{
|
|
/*
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
NumberFormat *myFormat = getNumberFormat(status);
|
|
|
|
if(U_FAILURE(status)) {
|
|
// "<ERROR>"
|
|
static const UChar ERROR[] = {0x3C, 0x45, 0x52, 0x52, 0x4F, 0x52, 0x3E, 0};
|
|
|
|
return string = ERROR; // TODO: maybe toPattern should take an errorcode.
|
|
}
|
|
|
|
UnicodeString &retval = myFormat->format(i, string);
|
|
|
|
releaseNumberFormat(myFormat);
|
|
return retval;
|
|
*/
|
|
UChar temp[10] = { '\0' };
|
|
uprv_itou(temp,i,16,0);
|
|
string.append(temp);
|
|
return string;
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Checks which format instance we are really using based on the segments.
|
|
|
|
void
|
|
MessageFormat::makeFormat(/*int32_t position, */
|
|
int32_t offsetNumber,
|
|
UnicodeString* segments,
|
|
UParseError& parseError,
|
|
UErrorCode& success)
|
|
{
|
|
if(U_FAILURE(success))
|
|
return;
|
|
|
|
// get the number
|
|
int32_t argumentNumber;
|
|
int32_t oldMaxOffset = fMaxOffset;
|
|
argumentNumber = stoi(segments[1]); // always unlocalized!
|
|
if (argumentNumber < 0 || argumentNumber > 9) {
|
|
success = U_INVALID_FORMAT_ERROR;
|
|
return;
|
|
}
|
|
fMaxOffset = offsetNumber;
|
|
fOffsets[offsetNumber] = segments[0].length();
|
|
fArgumentNumbers[offsetNumber] = argumentNumber;
|
|
int test = 0;
|
|
// now get the format
|
|
Format *newFormat = NULL;
|
|
switch (findKeyword(segments[2], g_umsgTypeList)) {
|
|
case 0:
|
|
fFormatTypeList[argumentNumber] = Formattable::kString;
|
|
break;
|
|
case 1: case 2:// number
|
|
test=findKeyword(segments[3], g_umsgModifierList);
|
|
fFormatTypeList[argumentNumber] = Formattable::kDouble;
|
|
|
|
switch (test) {
|
|
case 0: // default;
|
|
newFormat = NumberFormat::createInstance(fLocale, success);
|
|
break;
|
|
case 1: case 2:// currency
|
|
newFormat = NumberFormat::createCurrencyInstance(fLocale, success);
|
|
break;
|
|
case 3: case 4:// percent
|
|
newFormat = NumberFormat::createPercentInstance(fLocale, success);
|
|
break;
|
|
case 5: case 6:// integer
|
|
fFormatTypeList[argumentNumber] = Formattable::kLong;
|
|
newFormat = createIntegerFormat(fLocale, success);
|
|
break;
|
|
default: // pattern
|
|
newFormat = NumberFormat::createInstance(fLocale, success);
|
|
if(U_FAILURE(success)) {
|
|
newFormat = NULL;
|
|
return;
|
|
}
|
|
if(newFormat->getDynamicClassID() == DecimalFormat::getStaticClassID()){
|
|
((DecimalFormat*)newFormat)->applyPattern(segments[3],parseError,success);
|
|
}
|
|
if(U_FAILURE(success)) {
|
|
fMaxOffset = oldMaxOffset;
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 3: case 4: // date
|
|
fFormatTypeList[argumentNumber] = Formattable::kDate;
|
|
|
|
switch (findKeyword(segments[3], g_umsgDateModifierList)) {
|
|
case 0: // default
|
|
newFormat = DateFormat::createDateInstance(DateFormat::kDefault, fLocale);
|
|
break;
|
|
case 1: case 2: // short
|
|
newFormat = DateFormat::createDateInstance(DateFormat::kShort, fLocale);
|
|
break;
|
|
case 3: case 4: // medium
|
|
newFormat = DateFormat::createDateInstance(DateFormat::kDefault, fLocale);
|
|
break;
|
|
case 5: case 6: // long
|
|
newFormat = DateFormat::createDateInstance(DateFormat::kLong, fLocale);
|
|
break;
|
|
case 7: case 8: // full
|
|
newFormat = DateFormat::createDateInstance(DateFormat::kFull, fLocale);
|
|
break;
|
|
default:
|
|
newFormat = DateFormat::createDateInstance(DateFormat::kDefault, fLocale);
|
|
if(newFormat->getDynamicClassID() == SimpleDateFormat::getStaticClassID()){
|
|
((SimpleDateFormat*)newFormat)->applyPattern(segments[3]);
|
|
}
|
|
/* Ram: 'success' is not passed to above methods
|
|
and is not set so we donot have to check for failure.
|
|
if(U_FAILURE(success)) {
|
|
fMaxOffset = oldMaxOffset;
|
|
success = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
*/
|
|
break;
|
|
}
|
|
break;
|
|
case 5: case 6:// time
|
|
|
|
fFormatTypeList[argumentNumber]= Formattable::kDate;
|
|
|
|
switch (findKeyword(segments[3], g_umsgDateModifierList)) {
|
|
case 0: // default
|
|
newFormat = DateFormat::createTimeInstance(DateFormat::kDefault, fLocale);
|
|
break;
|
|
case 1: case 2: // short
|
|
newFormat = DateFormat::createTimeInstance(DateFormat::kShort, fLocale);
|
|
break;
|
|
case 3: case 4: // medium
|
|
newFormat = DateFormat::createTimeInstance(DateFormat::kDefault, fLocale);
|
|
break;
|
|
case 5: case 6: // long
|
|
newFormat = DateFormat::createTimeInstance(DateFormat::kLong, fLocale);
|
|
break;
|
|
case 7: case 8: // full
|
|
newFormat = DateFormat::createTimeInstance(DateFormat::kFull, fLocale);
|
|
break;
|
|
default:
|
|
newFormat = DateFormat::createTimeInstance(DateFormat::kDefault, fLocale);
|
|
if(newFormat->getDynamicClassID() == SimpleDateFormat::getStaticClassID()){
|
|
((SimpleDateFormat*)newFormat)->applyPattern(segments[3]);
|
|
}
|
|
/* Ram: 'success' is not passed to above methods
|
|
and is not set so we donot have to check for failure.
|
|
if(U_FAILURE(success)) {
|
|
fMaxOffset = oldMaxOffset;
|
|
success = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
*/
|
|
break;
|
|
}
|
|
break;
|
|
case 7: case 8:// choice
|
|
fFormatTypeList[argumentNumber] = Formattable::kDouble;
|
|
|
|
newFormat = new ChoiceFormat(segments[3],parseError,success);
|
|
if(U_FAILURE(success)) {
|
|
fMaxOffset = oldMaxOffset;
|
|
return;
|
|
}
|
|
break;
|
|
default:
|
|
fMaxOffset = oldMaxOffset;
|
|
success = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
|
|
if(newFormat != NULL) {
|
|
delete fFormats[offsetNumber];
|
|
fFormats[offsetNumber] = newFormat;
|
|
}
|
|
segments[1].remove(); // throw away other segments
|
|
segments[2].remove();
|
|
segments[3].remove();
|
|
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Finds the string, s, in the string array, list.
|
|
int32_t MessageFormat::findKeyword(const UnicodeString& s,
|
|
const UChar **list)
|
|
{
|
|
if (s.length() == 0)
|
|
return 0;
|
|
|
|
UnicodeString buffer = s;
|
|
// Trims the space characters and turns all characters
|
|
// in s to lower case.
|
|
buffer.trim().toLower();
|
|
for (int32_t i = 0; i < g_umsgListLength; ++i) {
|
|
if (list[i] && !buffer.compare(list[i], u_strlen(list[i])))
|
|
return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
// -------------------------------------
|
|
// Checks the range of the source text to quote the special
|
|
// characters, { and ' and copy to target buffer.
|
|
|
|
void
|
|
MessageFormat::copyAndFixQuotes(const UnicodeString& source,
|
|
int32_t start,
|
|
int32_t end,
|
|
UnicodeString& target)
|
|
{
|
|
UBool gotLB = FALSE;
|
|
|
|
for (UTextOffset i = start; i < end; ++i) {
|
|
UChar ch = source[i];
|
|
if (ch == LEFT_CURLY_BRACE) {
|
|
target += SINGLE_QUOTE;
|
|
target += LEFT_CURLY_BRACE;
|
|
target += SINGLE_QUOTE;
|
|
gotLB = TRUE;
|
|
}
|
|
else if (ch == RIGHT_CURLY_BRACE) {
|
|
if(gotLB) {
|
|
target += RIGHT_CURLY_BRACE;
|
|
gotLB = FALSE;
|
|
}
|
|
else {
|
|
// orig code.
|
|
target += SINGLE_QUOTE;
|
|
target += RIGHT_CURLY_BRACE;
|
|
target += SINGLE_QUOTE;
|
|
}
|
|
}
|
|
else if (ch == SINGLE_QUOTE) {
|
|
target += SINGLE_QUOTE;
|
|
target += SINGLE_QUOTE;
|
|
}
|
|
else {
|
|
target += ch;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Convenience method that ought to be in NumberFormat
|
|
*/
|
|
NumberFormat*
|
|
MessageFormat::createIntegerFormat(const Locale& locale, UErrorCode& status) const {
|
|
NumberFormat *temp = NumberFormat::createInstance(locale, status);
|
|
if (temp->getDynamicClassID() == DecimalFormat::getStaticClassID()) {
|
|
DecimalFormat *temp2 = (DecimalFormat*) temp;
|
|
temp2->setMaximumFractionDigits(0);
|
|
temp2->setDecimalSeparatorAlwaysShown(FALSE);
|
|
temp2->setParseIntegerOnly(TRUE);
|
|
}
|
|
|
|
return temp;
|
|
}
|
|
|
|
//eof
|