| /* |
| ******************************************************************************* |
| * Copyright (C) 1997-2006, International Business Machines Corporation and * |
| * others. All Rights Reserved. * |
| ******************************************************************************* |
| * |
| * File MSGFMT.CPP |
| * |
| * Modification History: |
| * |
| * Date Name Description |
| * 02/19/97 aliu Converted from java. |
| * 03/20/97 helena Finished first cut of implementation. |
| * 04/10/97 aliu Made to work on AIX. Added stoi to replace wtoi. |
| * 06/11/97 helena Fixed addPattern to take the pattern correctly. |
| * 06/17/97 helena Fixed the getPattern to return the correct pattern. |
| * 07/09/97 helena Made ParsePosition into a class. |
| * 02/22/99 stephen Removed character literals for EBCDIC safety |
| ******************************************************************************** |
| */ |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| #include "unicode/msgfmt.h" |
| #include "unicode/decimfmt.h" |
| #include "unicode/datefmt.h" |
| #include "unicode/smpdtfmt.h" |
| #include "unicode/choicfmt.h" |
| #include "unicode/ustring.h" |
| #include "unicode/ucnv_err.h" |
| #include "unicode/uchar.h" |
| #include "unicode/umsg.h" |
| #include "unicode/rbnf.h" |
| #include "ustrfmt.h" |
| #include "cmemory.h" |
| #include "util.h" |
| #include "uassert.h" |
| |
| // ***************************************************************************** |
| // class MessageFormat |
| // ***************************************************************************** |
| |
| #define COMMA ((UChar)0x002C) |
| #define SINGLE_QUOTE ((UChar)0x0027) |
| #define LEFT_CURLY_BRACE ((UChar)0x007B) |
| #define RIGHT_CURLY_BRACE ((UChar)0x007D) |
| |
| //--------------------------------------- |
| // static data |
| |
| static const UChar ID_EMPTY[] = { |
| 0 /* empty string, used for default so that null can mark end of list */ |
| }; |
| |
| static const UChar ID_NUMBER[] = { |
| 0x6E, 0x75, 0x6D, 0x62, 0x65, 0x72, 0 /* "number" */ |
| }; |
| static const UChar ID_DATE[] = { |
| 0x64, 0x61, 0x74, 0x65, 0 /* "date" */ |
| }; |
| static const UChar ID_TIME[] = { |
| 0x74, 0x69, 0x6D, 0x65, 0 /* "time" */ |
| }; |
| static const UChar ID_CHOICE[] = { |
| 0x63, 0x68, 0x6F, 0x69, 0x63, 0x65, 0 /* "choice" */ |
| }; |
| static const UChar ID_SPELLOUT[] = { |
| 0x73, 0x70, 0x65, 0x6c, 0x6c, 0x6f, 0x75, 0x74, 0 /* "spellout" */ |
| }; |
| static const UChar ID_ORDINAL[] = { |
| 0x6f, 0x72, 0x64, 0x69, 0x6e, 0x61, 0x6c, 0 /* "ordinal" */ |
| }; |
| static const UChar ID_DURATION[] = { |
| 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0 /* "duration" */ |
| }; |
| |
| // MessageFormat Type List Number, Date, Time or Choice |
| static const UChar * const TYPE_IDS[] = { |
| ID_EMPTY, |
| ID_NUMBER, |
| ID_DATE, |
| ID_TIME, |
| ID_CHOICE, |
| ID_SPELLOUT, |
| ID_ORDINAL, |
| ID_DURATION, |
| NULL, |
| }; |
| |
| static const UChar ID_CURRENCY[] = { |
| 0x63, 0x75, 0x72, 0x72, 0x65, 0x6E, 0x63, 0x79, 0 /* "currency" */ |
| }; |
| static const UChar ID_PERCENT[] = { |
| 0x70, 0x65, 0x72, 0x63, 0x65, 0x6E, 0x74, 0 /* "percent" */ |
| }; |
| static const UChar ID_INTEGER[] = { |
| 0x69, 0x6E, 0x74, 0x65, 0x67, 0x65, 0x72, 0 /* "integer" */ |
| }; |
| |
| // NumberFormat modifier list, default, currency, percent or integer |
| static const UChar * const NUMBER_STYLE_IDS[] = { |
| ID_EMPTY, |
| ID_CURRENCY, |
| ID_PERCENT, |
| ID_INTEGER, |
| NULL, |
| }; |
| |
| static const UChar ID_SHORT[] = { |
| 0x73, 0x68, 0x6F, 0x72, 0x74, 0 /* "short" */ |
| }; |
| static const UChar ID_MEDIUM[] = { |
| 0x6D, 0x65, 0x64, 0x69, 0x75, 0x6D, 0 /* "medium" */ |
| }; |
| static const UChar ID_LONG[] = { |
| 0x6C, 0x6F, 0x6E, 0x67, 0 /* "long" */ |
| }; |
| static const UChar ID_FULL[] = { |
| 0x66, 0x75, 0x6C, 0x6C, 0 /* "full" */ |
| }; |
| |
| // DateFormat modifier list, default, short, medium, long or full |
| static const UChar * const DATE_STYLE_IDS[] = { |
| ID_EMPTY, |
| ID_SHORT, |
| ID_MEDIUM, |
| ID_LONG, |
| ID_FULL, |
| NULL, |
| }; |
| |
| static const U_NAMESPACE_QUALIFIER DateFormat::EStyle DATE_STYLES[] = { |
| U_NAMESPACE_QUALIFIER DateFormat::kDefault, |
| U_NAMESPACE_QUALIFIER DateFormat::kShort, |
| U_NAMESPACE_QUALIFIER DateFormat::kMedium, |
| U_NAMESPACE_QUALIFIER DateFormat::kLong, |
| U_NAMESPACE_QUALIFIER DateFormat::kFull, |
| }; |
| |
| static const int32_t DEFAULT_INITIAL_CAPACITY = 10; |
| |
| U_NAMESPACE_BEGIN |
| |
| // ------------------------------------- |
| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(MessageFormat) |
| |
| //-------------------------------------------------------------------- |
| |
| /** |
| * Convert a string to an unsigned decimal, ignoring rule whitespace. |
| * @return a non-negative number if successful, or a negative number |
| * upon failure. |
| */ |
| static int32_t stou(const UnicodeString& string) { |
| int32_t n = 0; |
| int32_t count = 0; |
| UChar32 c; |
| for (int32_t i=0; i<string.length(); i+=U16_LENGTH(c)) { |
| c = string.char32At(i); |
| if (uprv_isRuleWhiteSpace(c)) { |
| continue; |
| } |
| int32_t d = u_digit(c, 10); |
| if (d < 0 || ++count > 10) { |
| return -1; |
| } |
| n = 10*n + d; |
| } |
| return n; |
| } |
| |
| /** |
| * Convert an integer value to a string and append the result to |
| * the given UnicodeString. |
| */ |
| static UnicodeString& itos(int32_t i, UnicodeString& appendTo) { |
| UChar temp[16]; |
| uprv_itou(temp,16,i,10,0); // 10 == radix |
| appendTo.append(temp); |
| return appendTo; |
| } |
| |
| // ------------------------------------- |
| // Creates a MessageFormat instance based on the pattern. |
| |
| MessageFormat::MessageFormat(const UnicodeString& pattern, |
| UErrorCode& success) |
| : fLocale(Locale::getDefault()), // Uses the default locale |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| subformats(NULL), |
| subformatCount(0), |
| subformatCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL) |
| { |
| if (!allocateSubformats(DEFAULT_INITIAL_CAPACITY) || |
| !allocateArgTypes(DEFAULT_INITIAL_CAPACITY)) { |
| success = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| applyPattern(pattern, success); |
| setLocaleIDs(fLocale.getName(), fLocale.getName()); |
| } |
| |
| MessageFormat::MessageFormat(const UnicodeString& pattern, |
| const Locale& newLocale, |
| UErrorCode& success) |
| : fLocale(newLocale), |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| subformats(NULL), |
| subformatCount(0), |
| subformatCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL) |
| { |
| if (!allocateSubformats(DEFAULT_INITIAL_CAPACITY) || |
| !allocateArgTypes(DEFAULT_INITIAL_CAPACITY)) { |
| success = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| applyPattern(pattern, success); |
| setLocaleIDs(fLocale.getName(), fLocale.getName()); |
| } |
| |
| MessageFormat::MessageFormat(const UnicodeString& pattern, |
| const Locale& newLocale, |
| UParseError& parseError, |
| UErrorCode& success) |
| : fLocale(newLocale), |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| subformats(NULL), |
| subformatCount(0), |
| subformatCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL) |
| { |
| if (!allocateSubformats(DEFAULT_INITIAL_CAPACITY) || |
| !allocateArgTypes(DEFAULT_INITIAL_CAPACITY)) { |
| success = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| applyPattern(pattern, parseError, success); |
| setLocaleIDs(fLocale.getName(), fLocale.getName()); |
| } |
| |
| MessageFormat::MessageFormat(const MessageFormat& that) |
| : Format(that), |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| subformats(NULL), |
| subformatCount(0), |
| subformatCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL) |
| { |
| *this = that; |
| } |
| |
| MessageFormat::~MessageFormat() |
| { |
| int32_t idx; |
| for (idx = 0; idx < subformatCount; idx++) { |
| delete subformats[idx].format; |
| } |
| uprv_free(subformats); |
| subformats = NULL; |
| subformatCount = subformatCapacity = 0; |
| |
| uprv_free(argTypes); |
| argTypes = NULL; |
| argTypeCount = argTypeCapacity = 0; |
| |
| uprv_free(formatAliases); |
| |
| delete defaultNumberFormat; |
| delete defaultDateFormat; |
| } |
| |
| //-------------------------------------------------------------------- |
| // Variable-size array management |
| |
| /** |
| * Allocate subformats[] to at least the given capacity and return |
| * TRUE if successful. If not, leave subformats[] unchanged. |
| * |
| * If subformats is NULL, allocate it. If it is not NULL, enlarge it |
| * if necessary to be at least as large as specified. |
| */ |
| UBool MessageFormat::allocateSubformats(int32_t capacity) { |
| if (subformats == NULL) { |
| subformats = (Subformat*) uprv_malloc(sizeof(*subformats) * capacity); |
| subformatCapacity = capacity; |
| subformatCount = 0; |
| if (subformats == NULL) { |
| subformatCapacity = 0; |
| return FALSE; |
| } |
| } else if (subformatCapacity < capacity) { |
| if (capacity < 2*subformatCapacity) { |
| capacity = 2*subformatCapacity; |
| } |
| Subformat* a = (Subformat*) |
| uprv_realloc(subformats, sizeof(*subformats) * capacity); |
| if (a == NULL) { |
| return FALSE; // request failed |
| } |
| subformats = a; |
| subformatCapacity = capacity; |
| } |
| return TRUE; |
| } |
| |
| /** |
| * Allocate argTypes[] to at least the given capacity and return |
| * TRUE if successful. If not, leave argTypes[] unchanged. |
| * |
| * If argTypes is NULL, allocate it. If it is not NULL, enlarge it |
| * if necessary to be at least as large as specified. |
| */ |
| UBool MessageFormat::allocateArgTypes(int32_t capacity) { |
| if (argTypes == NULL) { |
| argTypes = (Formattable::Type*) uprv_malloc(sizeof(*argTypes) * capacity); |
| argTypeCount = 0; |
| argTypeCapacity = capacity; |
| if (argTypes == NULL) { |
| argTypeCapacity = 0; |
| return FALSE; |
| } |
| for (int32_t i=0; i<capacity; ++i) { |
| argTypes[i] = Formattable::kString; |
| } |
| } else if (argTypeCapacity < capacity) { |
| if (capacity < 2*argTypeCapacity) { |
| capacity = 2*argTypeCapacity; |
| } |
| Formattable::Type* a = (Formattable::Type*) |
| uprv_realloc(argTypes, sizeof(*argTypes) * capacity); |
| if (a == NULL) { |
| return FALSE; // request failed |
| } |
| for (int32_t i=argTypeCapacity; i<capacity; ++i) { |
| a[i] = Formattable::kString; |
| } |
| argTypes = a; |
| argTypeCapacity = capacity; |
| } |
| return TRUE; |
| } |
| |
| // ------------------------------------- |
| // assignment operator |
| |
| const MessageFormat& |
| MessageFormat::operator=(const MessageFormat& that) |
| { |
| // Reallocate the arrays BEFORE changing this object |
| if (this != &that && |
| allocateSubformats(that.subformatCount) && |
| allocateArgTypes(that.argTypeCount)) { |
| |
| // Calls the super class for assignment first. |
| Format::operator=(that); |
| |
| fPattern = that.fPattern; |
| setLocale(that.fLocale); |
| |
| int32_t j; |
| for (j=0; j<subformatCount; ++j) { |
| delete subformats[j].format; |
| } |
| subformatCount = 0; |
| |
| for (j=0; j<that.subformatCount; ++j) { |
| // Subformat::operator= does NOT delete this.format |
| subformats[j] = that.subformats[j]; |
| } |
| subformatCount = that.subformatCount; |
| |
| for (j=0; j<that.argTypeCount; ++j) { |
| argTypes[j] = that.argTypes[j]; |
| } |
| argTypeCount = that.argTypeCount; |
| } |
| return *this; |
| } |
| |
| UBool |
| MessageFormat::operator==(const Format& rhs) const |
| { |
| if (this == &rhs) return TRUE; |
| |
| MessageFormat& that = (MessageFormat&)rhs; |
| |
| // Check class ID before checking MessageFormat members |
| if (!Format::operator==(rhs) || |
| fPattern != that.fPattern || |
| fLocale != that.fLocale) { |
| return FALSE; |
| } |
| |
| int32_t j; |
| for (j=0; j<subformatCount; ++j) { |
| if (subformats[j] != that.subformats[j]) { |
| return FALSE; |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| // ------------------------------------- |
| // Creates a copy of this MessageFormat, the caller owns the copy. |
| |
| Format* |
| MessageFormat::clone() const |
| { |
| return new MessageFormat(*this); |
| } |
| |
| // ------------------------------------- |
| // Sets the locale of this MessageFormat object to theLocale. |
| |
| void |
| MessageFormat::setLocale(const Locale& theLocale) |
| { |
| if (fLocale != theLocale) { |
| delete defaultNumberFormat; |
| defaultNumberFormat = NULL; |
| delete defaultDateFormat; |
| defaultDateFormat = NULL; |
| } |
| fLocale = theLocale; |
| setLocaleIDs(fLocale.getName(), fLocale.getName()); |
| } |
| |
| // ------------------------------------- |
| // Gets the locale of this MessageFormat object. |
| |
| const Locale& |
| MessageFormat::getLocale() const |
| { |
| return fLocale; |
| } |
| |
| |
| |
| |
| void |
| MessageFormat::applyPattern(const UnicodeString& newPattern, |
| UErrorCode& status) |
| { |
| UParseError parseError; |
| applyPattern(newPattern,parseError,status); |
| } |
| |
| |
| // ------------------------------------- |
| // Applies the new pattern and returns an error if the pattern |
| // is not correct. |
| void |
| MessageFormat::applyPattern(const UnicodeString& pattern, |
| UParseError& parseError, |
| UErrorCode& ec) |
| { |
| if(U_FAILURE(ec)) { |
| return; |
| } |
| // The pattern is broken up into segments. Each time a subformat |
| // is encountered, 4 segments are recorded. For example, consider |
| // the pattern: |
| // "There {0,choice,0.0#are no files|1.0#is one file|1.0<are {0, number} files} on disk {1}." |
| // The first set of segments is: |
| // segments[0] = "There " |
| // segments[1] = "0" |
| // segments[2] = "choice" |
| // segments[3] = "0.0#are no files|1.0#is one file|1.0<are {0, number} files" |
| |
| // During parsing, the plain text is accumulated into segments[0]. |
| // Segments 1..3 are used to parse each subpattern. Each time a |
| // subpattern is parsed, it creates a format object that is stored |
| // in the subformats array, together with an offset and argument |
| // number. The offset into the plain text stored in |
| // segments[0]. |
| |
| // Quotes in segment 0 are handled normally. They are removed. |
| // Quotes may not occur in segments 1 or 2. |
| // Quotes in segment 3 are parsed and _copied_. This makes |
| // subformat patterns work, e.g., {1,number,'#'.##} passes |
| // the pattern "'#'.##" to DecimalFormat. |
| |
| UnicodeString segments[4]; |
| int32_t part = 0; // segment we are in, 0..3 |
| // Record the highest argument number in the pattern. (In the |
| // subpattern {3,number} the argument number is 3.) |
| int32_t formatNumber = 0; |
| UBool inQuote = FALSE; |
| int32_t braceStack = 0; |
| // Clear error struct |
| parseError.offset = -1; |
| parseError.preContext[0] = parseError.postContext[0] = (UChar)0; |
| int32_t patLen = pattern.length(); |
| int32_t i; |
| |
| for (i=0; i<subformatCount; ++i) { |
| delete subformats[i].format; |
| } |
| subformatCount = 0; |
| argTypeCount = 0; |
| |
| for (i=0; i<patLen; ++i) { |
| UChar ch = pattern[i]; |
| if (part == 0) { |
| // In segment 0, recognize and remove quotes |
| if (ch == SINGLE_QUOTE) { |
| if (i+1 < patLen && pattern[i+1] == SINGLE_QUOTE) { |
| segments[0] += ch; |
| ++i; |
| } else { |
| inQuote = !inQuote; |
| } |
| } else if (ch == LEFT_CURLY_BRACE && !inQuote) { |
| // The only way we get from segment 0 to 1 is via an |
| // unquoted '{'. |
| part = 1; |
| } else { |
| segments[0] += ch; |
| } |
| } else if (inQuote) { |
| // In segments 1..3, recognize quoted matter, and copy it |
| // into the segment, together with the quotes. This takes |
| // care of '' as well. |
| segments[part] += ch; |
| if (ch == SINGLE_QUOTE) { |
| inQuote = FALSE; |
| } |
| } else { |
| // We have an unquoted character in segment 1..3 |
| switch (ch) { |
| case COMMA: |
| // Commas bump us to the next segment, except for segment 3, |
| // which can contain commas. See example above. |
| if (part < 3) |
| part += 1; |
| else |
| segments[3] += ch; |
| break; |
| case LEFT_CURLY_BRACE: |
| // Handle '{' within segment 3. The initial '{' |
| // before segment 1 is handled above. |
| if (part != 3) { |
| ec = U_PATTERN_SYNTAX_ERROR; |
| goto SYNTAX_ERROR; |
| } |
| ++braceStack; |
| segments[part] += ch; |
| break; |
| case RIGHT_CURLY_BRACE: |
| if (braceStack == 0) { |
| makeFormat(formatNumber, segments, parseError,ec); |
| if (U_FAILURE(ec)){ |
| goto SYNTAX_ERROR; |
| } |
| formatNumber++; |
| segments[1].remove(); |
| segments[2].remove(); |
| segments[3].remove(); |
| part = 0; |
| } else { |
| --braceStack; |
| segments[part] += ch; |
| } |
| break; |
| case SINGLE_QUOTE: |
| inQuote = TRUE; |
| // fall through (copy quote chars in segments 1..3) |
| default: |
| segments[part] += ch; |
| break; |
| } |
| } |
| } |
| if (braceStack != 0 || part != 0) { |
| // Unmatched braces in the pattern |
| ec = U_UNMATCHED_BRACES; |
| goto SYNTAX_ERROR; |
| } |
| fPattern = segments[0]; |
| return; |
| |
| SYNTAX_ERROR: |
| syntaxError(pattern, i, parseError); |
| for (i=0; i<subformatCount; ++i) { |
| delete subformats[i].format; |
| } |
| argTypeCount = subformatCount = 0; |
| } |
| // ------------------------------------- |
| // Converts this MessageFormat instance to a pattern. |
| |
| UnicodeString& |
| MessageFormat::toPattern(UnicodeString& appendTo) const { |
| // later, make this more extensible |
| int32_t lastOffset = 0; |
| int32_t i; |
| for (i=0; i<subformatCount; ++i) { |
| copyAndFixQuotes(fPattern, lastOffset, subformats[i].offset, appendTo); |
| lastOffset = subformats[i].offset; |
| appendTo += LEFT_CURLY_BRACE; |
| itos(subformats[i].arg, appendTo); |
| Format* fmt = subformats[i].format; |
| if (fmt == NULL) { |
| // do nothing, string format |
| } |
| else if (fmt->getDynamicClassID() == DecimalFormat::getStaticClassID()) { |
| |
| UErrorCode ec = U_ZERO_ERROR; |
| NumberFormat& formatAlias = *(NumberFormat*)fmt; |
| NumberFormat *defaultTemplate = NumberFormat::createInstance(fLocale, ec); |
| NumberFormat *currencyTemplate = NumberFormat::createCurrencyInstance(fLocale, ec); |
| NumberFormat *percentTemplate = NumberFormat::createPercentInstance(fLocale, ec); |
| NumberFormat *integerTemplate = createIntegerFormat(fLocale, ec); |
| |
| appendTo += COMMA; |
| appendTo += ID_NUMBER; |
| if (formatAlias != *defaultTemplate) { |
| appendTo += COMMA; |
| if (formatAlias == *currencyTemplate) { |
| appendTo += ID_CURRENCY; |
| } |
| else if (formatAlias == *percentTemplate) { |
| appendTo += ID_PERCENT; |
| } |
| else if (formatAlias == *integerTemplate) { |
| appendTo += ID_INTEGER; |
| } |
| else { |
| UnicodeString buffer; |
| appendTo += ((DecimalFormat*)fmt)->toPattern(buffer); |
| } |
| } |
| |
| delete defaultTemplate; |
| delete currencyTemplate; |
| delete percentTemplate; |
| delete integerTemplate; |
| } |
| else if (fmt->getDynamicClassID() == SimpleDateFormat::getStaticClassID()) { |
| DateFormat& formatAlias = *(DateFormat*)fmt; |
| 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); |
| |
| |
| appendTo += COMMA; |
| if (formatAlias == *defaultDateTemplate) { |
| appendTo += ID_DATE; |
| } |
| else if (formatAlias == *shortDateTemplate) { |
| appendTo += ID_DATE; |
| appendTo += COMMA; |
| appendTo += ID_SHORT; |
| } |
| else if (formatAlias == *defaultDateTemplate) { |
| appendTo += ID_DATE; |
| appendTo += COMMA; |
| appendTo += ID_MEDIUM; |
| } |
| else if (formatAlias == *longDateTemplate) { |
| appendTo += ID_DATE; |
| appendTo += COMMA; |
| appendTo += ID_LONG; |
| } |
| else if (formatAlias == *fullDateTemplate) { |
| appendTo += ID_DATE; |
| appendTo += COMMA; |
| appendTo += ID_FULL; |
| } |
| else if (formatAlias == *defaultTimeTemplate) { |
| appendTo += ID_TIME; |
| } |
| else if (formatAlias == *shortTimeTemplate) { |
| appendTo += ID_TIME; |
| appendTo += COMMA; |
| appendTo += ID_SHORT; |
| } |
| else if (formatAlias == *defaultTimeTemplate) { |
| appendTo += ID_TIME; |
| appendTo += COMMA; |
| appendTo += ID_MEDIUM; |
| } |
| else if (formatAlias == *longTimeTemplate) { |
| appendTo += ID_TIME; |
| appendTo += COMMA; |
| appendTo += ID_LONG; |
| } |
| else if (formatAlias == *fullTimeTemplate) { |
| appendTo += ID_TIME; |
| appendTo += COMMA; |
| appendTo += ID_FULL; |
| } |
| else { |
| UnicodeString buffer; |
| appendTo += ID_DATE; |
| appendTo += COMMA; |
| appendTo += ((SimpleDateFormat*)fmt)->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 (fmt->getDynamicClassID() == ChoiceFormat::getStaticClassID()) { |
| UnicodeString buffer; |
| appendTo += COMMA; |
| appendTo += ID_CHOICE; |
| appendTo += COMMA; |
| appendTo += ((ChoiceFormat*)fmt)->toPattern(buffer); |
| } |
| else { |
| //appendTo += ", unknown"; |
| } |
| appendTo += RIGHT_CURLY_BRACE; |
| } |
| copyAndFixQuotes(fPattern, lastOffset, fPattern.length(), appendTo); |
| return appendTo; |
| } |
| |
| // ------------------------------------- |
| // Adopts the new formats array and updates the array count. |
| // This MessageFormat instance owns the new formats. |
| |
| void |
| MessageFormat::adoptFormats(Format** newFormats, |
| int32_t count) { |
| if (newFormats == NULL || count < 0) { |
| return; |
| } |
| |
| int32_t i; |
| if (allocateSubformats(count)) { |
| for (i=0; i<subformatCount; ++i) { |
| delete subformats[i].format; |
| } |
| for (i=0; i<count; ++i) { |
| subformats[i].format = newFormats[i]; |
| } |
| subformatCount = count; |
| } else { |
| // An adopt method must always take ownership. Delete |
| // the incoming format objects and return unchanged. |
| for (i=0; i<count; ++i) { |
| delete newFormats[i]; |
| } |
| } |
| |
| // TODO: What about the .offset and .arg fields? |
| } |
| |
| // ------------------------------------- |
| // 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 count) { |
| if (newFormats == NULL || count < 0) { |
| return; |
| } |
| |
| if (allocateSubformats(count)) { |
| int32_t i; |
| for (i=0; i<subformatCount; ++i) { |
| delete subformats[i].format; |
| } |
| subformatCount = 0; |
| |
| for (i=0; i<count; ++i) { |
| subformats[i].format = newFormats[i] ? newFormats[i]->clone() : NULL; |
| } |
| subformatCount = count; |
| } |
| |
| // TODO: What about the .offset and .arg fields? |
| } |
| |
| // ------------------------------------- |
| // Adopt a single format. |
| // Do nothing is the format number is not less than the array count. |
| |
| void |
| MessageFormat::adoptFormat(int32_t n, Format *newFormat) { |
| if (n < 0 || n >= subformatCount) { |
| delete newFormat; |
| } else { |
| delete subformats[n].format; |
| subformats[n].format = newFormat; |
| } |
| } |
| |
| // ------------------------------------- |
| // Set a single format. |
| // Do nothing is the variable is not less than the array count. |
| |
| void |
| MessageFormat::setFormat(int32_t n, const Format& newFormat) { |
| if (n >= 0 && n < subformatCount) { |
| delete subformats[n].format; |
| if (&newFormat == NULL) { |
| // This should never happen -- but we'll be nice if it does |
| subformats[n].format = NULL; |
| } else { |
| subformats[n].format = newFormat.clone(); |
| } |
| } |
| } |
| |
| // ------------------------------------- |
| // Gets the format array. |
| |
| const Format** |
| MessageFormat::getFormats(int32_t& cnt) const |
| { |
| // This old API returns an array (which we hold) of Format* |
| // pointers. The array is valid up to the next call to any |
| // method on this object. We construct and resize an array |
| // on demand that contains aliases to the subformats[i].format |
| // pointers. |
| MessageFormat* t = (MessageFormat*) this; |
| cnt = 0; |
| if (formatAliases == NULL) { |
| t->formatAliasesCapacity = (subformatCount<10) ? 10 : subformatCount; |
| Format** a = (Format**) |
| uprv_malloc(sizeof(Format*) * formatAliasesCapacity); |
| if (a == NULL) { |
| return NULL; |
| } |
| t->formatAliases = a; |
| } else if (subformatCount > formatAliasesCapacity) { |
| Format** a = (Format**) |
| uprv_realloc(formatAliases, sizeof(Format*) * subformatCount); |
| if (a == NULL) { |
| return NULL; |
| } |
| t->formatAliases = a; |
| t->formatAliasesCapacity = subformatCount; |
| } |
| for (int32_t i=0; i<subformatCount; ++i) { |
| t->formatAliases[i] = subformats[i].format; |
| } |
| cnt = subformatCount; |
| return (const Format**)formatAliases; |
| } |
| |
| // ------------------------------------- |
| // 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& appendTo, |
| FieldPosition& ignore, |
| UErrorCode& success) const |
| { |
| if (U_FAILURE(success)) |
| return appendTo; |
| |
| return format(source, cnt, appendTo, ignore, 0, success); |
| } |
| |
| // ------------------------------------- |
| // Internally creates a MessageFormat instance based on the |
| // pattern and formats the arguments Formattable array and |
| // copy into the appendTo buffer. |
| |
| UnicodeString& |
| MessageFormat::format( const UnicodeString& pattern, |
| const Formattable* arguments, |
| int32_t cnt, |
| UnicodeString& appendTo, |
| UErrorCode& success) |
| { |
| MessageFormat temp(pattern, success); |
| FieldPosition ignore(0); |
| temp.format(arguments, cnt, appendTo, ignore, success); |
| return appendTo; |
| } |
| |
| // ------------------------------------- |
| // Formats the source Formattable object and copy into the |
| // appendTo buffer. The Formattable object must be an array |
| // of Formattable instances, returns error otherwise. |
| |
| UnicodeString& |
| MessageFormat::format(const Formattable& source, |
| UnicodeString& appendTo, |
| FieldPosition& ignore, |
| UErrorCode& success) const |
| { |
| int32_t cnt; |
| |
| if (U_FAILURE(success)) |
| return appendTo; |
| if (source.getType() != Formattable::kArray) { |
| success = U_ILLEGAL_ARGUMENT_ERROR; |
| return appendTo; |
| } |
| const Formattable* tmpPtr = source.getArray(cnt); |
| |
| return format(tmpPtr, cnt, appendTo, ignore, 0, success); |
| } |
| |
| // ------------------------------------- |
| // Formats the arguments Formattable array and copy into the appendTo buffer. |
| // Ignore the FieldPosition result for error checking. |
| |
| UnicodeString& |
| MessageFormat::format(const Formattable* arguments, |
| int32_t cnt, |
| UnicodeString& appendTo, |
| FieldPosition& status, |
| int32_t recursionProtection, |
| UErrorCode& success) const |
| { |
| // Allow NULL array only if cnt == 0 |
| if (cnt < 0 || (cnt && arguments == NULL)) { |
| success = U_ILLEGAL_ARGUMENT_ERROR; |
| return appendTo; |
| } |
| |
| int32_t lastOffset = 0; |
| for (int32_t i=0; i<subformatCount; ++i) { |
| // Append the prefix of current format element. |
| appendTo.append(fPattern, lastOffset, subformats[i].offset - lastOffset); |
| lastOffset = subformats[i].offset; |
| int32_t argumentNumber = subformats[i].arg; |
| // Checks the scope of the argument number. |
| if (argumentNumber >= cnt) { |
| appendTo += LEFT_CURLY_BRACE; |
| itos(argumentNumber, appendTo); |
| appendTo += RIGHT_CURLY_BRACE; |
| continue; |
| } |
| |
| const Formattable *obj = arguments + argumentNumber; |
| Formattable::Type type = obj->getType(); |
| |
| // Recursively calling the format process only if the current |
| // format argument refers to a ChoiceFormat object. |
| Format* fmt = subformats[i].format; |
| if (fmt != NULL) { |
| UnicodeString arg; |
| fmt->format(*obj, arg, success); |
| |
| // Needs to reprocess the ChoiceFormat option by using the |
| // MessageFormat pattern application. |
| if (fmt->getDynamicClassID() == ChoiceFormat::getStaticClassID() && |
| arg.indexOf(LEFT_CURLY_BRACE) >= 0) { |
| MessageFormat temp(arg, fLocale, success); |
| // TODO: Implement recursion protection |
| temp.format(arguments, cnt, appendTo, status, recursionProtection, success); |
| if (U_FAILURE(success)) { |
| return appendTo; |
| } |
| } |
| else { |
| appendTo += arg; |
| } |
| } |
| // If the obj data type is a number, use a NumberFormat instance. |
| else if ((type == Formattable::kDouble) || |
| (type == Formattable::kLong) || |
| (type == Formattable::kInt64)) { |
| |
| const NumberFormat* nf = getDefaultNumberFormat(success); |
| if (nf == NULL) { |
| return appendTo; |
| } |
| if (type == Formattable::kDouble) { |
| nf->format(obj->getDouble(), appendTo); |
| } else if (type == Formattable::kLong) { |
| nf->format(obj->getLong(), appendTo); |
| } else { |
| nf->format(obj->getInt64(), appendTo); |
| } |
| } |
| // If the obj data type is a Date instance, use a DateFormat instance. |
| else if (type == Formattable::kDate) { |
| const DateFormat* df = getDefaultDateFormat(success); |
| if (df == NULL) { |
| return appendTo; |
| } |
| df->format(obj->getDate(), appendTo); |
| } |
| else if (type == Formattable::kString) { |
| appendTo += obj->getString(); |
| } |
| else { |
| success = U_ILLEGAL_ARGUMENT_ERROR; |
| return appendTo; |
| } |
| } |
| // Appends the rest of the pattern characters after the real last offset. |
| appendTo.append(fPattern, lastOffset, 0x7fffffff); |
| return appendTo; |
| } |
| |
| |
| // ------------------------------------- |
| // 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& pos, |
| int32_t& count) const |
| { |
| // Allocate at least one element. Allocating an array of length |
| // zero causes problems on some platforms (e.g. Win32). |
| Formattable *resultArray = new Formattable[argTypeCount ? argTypeCount : 1]; |
| int32_t patternOffset = 0; |
| int32_t sourceOffset = pos.getIndex(); |
| ParsePosition tempPos(0); |
| count = 0; // {sfb} reset to zero |
| int32_t len; |
| for (int32_t i = 0; i < subformatCount; ++i) { |
| // match up to format |
| len = subformats[i].offset - patternOffset; |
| if (len == 0 || |
| fPattern.compare(patternOffset, len, source, sourceOffset, len) == 0) { |
| sourceOffset += len; |
| patternOffset += len; |
| } |
| else { |
| goto PARSE_ERROR; |
| } |
| |
| // now use format |
| Format* fmt = subformats[i].format; |
| int32_t arg = subformats[i].arg; |
| if (fmt == 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+1<subformatCount) ? |
| subformats[i+1].offset : 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) { |
| goto PARSE_ERROR; |
| } |
| else { |
| UnicodeString buffer; |
| source.extract(sourceOffset,next - sourceOffset, buffer); |
| UnicodeString strValue = buffer; |
| UnicodeString temp(LEFT_CURLY_BRACE); |
| // {sfb} check this later |
| itos(arg, temp); |
| temp += RIGHT_CURLY_BRACE; |
| if (strValue != temp) { |
| source.extract(sourceOffset,next - sourceOffset, buffer); |
| resultArray[arg].setString(buffer); |
| // {sfb} not sure about this |
| if ((arg + 1) > count) { |
| count = arg + 1; |
| } |
| } |
| sourceOffset = next; |
| } |
| } |
| else { |
| tempPos.setIndex(sourceOffset); |
| fmt->parseObject(source, resultArray[arg], tempPos); |
| if (tempPos.getIndex() == sourceOffset) { |
| goto PARSE_ERROR; |
| } |
| |
| if ((arg + 1) > count) { |
| count = arg + 1; |
| } |
| sourceOffset = tempPos.getIndex(); // update |
| } |
| } |
| len = fPattern.length() - patternOffset; |
| if (len == 0 || |
| fPattern.compare(patternOffset, len, source, sourceOffset, len) == 0) { |
| pos.setIndex(sourceOffset + len); |
| return resultArray; |
| } |
| // else fall through... |
| |
| PARSE_ERROR: |
| pos.setErrorIndex(sourceOffset); |
| delete [] resultArray; |
| count = 0; |
| return NULL; // leave index as is to signal error |
| } |
| |
| // ------------------------------------- |
| // 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; |
| delete[] result; |
| 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); |
| } |
| |
| UnicodeString |
| MessageFormat::autoQuoteApostrophe(const UnicodeString& pattern, UErrorCode& status) { |
| UnicodeString result; |
| if (U_SUCCESS(status)) { |
| int32_t plen = pattern.length(); |
| const UChar* pat = pattern.getBuffer(); |
| int32_t blen = plen * 2 + 1; // space for null termination, convenience |
| UChar* buf = result.getBuffer(blen); |
| if (buf == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } else { |
| int32_t len = umsg_autoQuoteApostrophe(pat, plen, buf, blen, &status); |
| result.releaseBuffer(U_SUCCESS(status) ? len : 0); |
| } |
| } |
| if (U_FAILURE(status)) { |
| result.setToBogus(); |
| } |
| return result; |
| } |
| |
| // ------------------------------------- |
| |
| static Format* makeRBNF(URBNFRuleSetTag tag, const Locale& locale, const UnicodeString& defaultRuleSet, UErrorCode& ec) { |
| RuleBasedNumberFormat* fmt = new RuleBasedNumberFormat(tag, locale, ec); |
| if (U_SUCCESS(ec) && defaultRuleSet.length() > 0) { |
| fmt->setDefaultRuleSet(defaultRuleSet, ec); |
| if (U_FAILURE(ec)) { // ignore unrecognized default rule set |
| ec = U_ZERO_ERROR; |
| } |
| } |
| return fmt; |
| } |
| |
| /** |
| * Reads the segments[] array (see applyPattern()) and parses the |
| * segments[1..3] into a Format* object. Stores the format object in |
| * the subformats[] array. Updates the argTypes[] array type |
| * information for the corresponding argument. |
| * |
| * @param formatNumber index into subformats[] for this format |
| * @param segments array of strings with the parsed pattern segments |
| * @param parseError parse error data (output param) |
| * @param ec error code |
| */ |
| void |
| MessageFormat::makeFormat(int32_t formatNumber, |
| UnicodeString* segments, |
| UParseError& parseError, |
| UErrorCode& ec) { |
| if (U_FAILURE(ec)) { |
| return; |
| } |
| |
| // Parse the argument number |
| int32_t argumentNumber = stou(segments[1]); // always unlocalized! |
| if (argumentNumber < 0) { |
| ec = U_INVALID_FORMAT_ERROR; |
| return; |
| } |
| |
| // Parse the format, recording the argument type and creating a |
| // new Format object (except for string arguments). |
| Formattable::Type argType; |
| Format *fmt = NULL; |
| int32_t typeID, styleID; |
| DateFormat::EStyle style; |
| |
| switch (typeID = findKeyword(segments[2], TYPE_IDS)) { |
| |
| case 0: // string |
| argType = Formattable::kString; |
| break; |
| |
| case 1: // number |
| argType = Formattable::kDouble; |
| |
| switch (findKeyword(segments[3], NUMBER_STYLE_IDS)) { |
| case 0: // default |
| fmt = NumberFormat::createInstance(fLocale, ec); |
| break; |
| case 1: // currency |
| fmt = NumberFormat::createCurrencyInstance(fLocale, ec); |
| break; |
| case 2: // percent |
| fmt = NumberFormat::createPercentInstance(fLocale, ec); |
| break; |
| case 3: // integer |
| argType = Formattable::kLong; |
| fmt = createIntegerFormat(fLocale, ec); |
| break; |
| default: // pattern |
| fmt = NumberFormat::createInstance(fLocale, ec); |
| if (fmt && |
| fmt->getDynamicClassID() == DecimalFormat::getStaticClassID()) { |
| ((DecimalFormat*)fmt)->applyPattern(segments[3],parseError,ec); |
| } |
| break; |
| } |
| break; |
| |
| case 2: // date |
| case 3: // time |
| argType = Formattable::kDate; |
| styleID = findKeyword(segments[3], DATE_STYLE_IDS); |
| style = (styleID >= 0) ? DATE_STYLES[styleID] : DateFormat::kDefault; |
| |
| if (typeID == 2) { |
| fmt = DateFormat::createDateInstance(style, fLocale); |
| } else { |
| fmt = DateFormat::createTimeInstance(style, fLocale); |
| } |
| |
| if (styleID < 0 && |
| fmt != NULL && |
| fmt->getDynamicClassID() == SimpleDateFormat::getStaticClassID()) { |
| ((SimpleDateFormat*)fmt)->applyPattern(segments[3]); |
| } |
| break; |
| |
| case 4: // choice |
| argType = Formattable::kDouble; |
| |
| fmt = new ChoiceFormat(segments[3], parseError, ec); |
| break; |
| |
| case 5: // spellout |
| argType = Formattable::kDouble; |
| fmt = makeRBNF(URBNF_SPELLOUT, fLocale, segments[3], ec); |
| break; |
| case 6: // ordinal |
| argType = Formattable::kDouble; |
| fmt = makeRBNF(URBNF_ORDINAL, fLocale, segments[3], ec); |
| break; |
| case 7: // duration |
| argType = Formattable::kDouble; |
| fmt = makeRBNF(URBNF_DURATION, fLocale, segments[3], ec); |
| break; |
| default: |
| argType = Formattable::kString; |
| ec = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| |
| if (fmt==NULL && argType!=Formattable::kString && U_SUCCESS(ec)) { |
| ec = U_MEMORY_ALLOCATION_ERROR; |
| } |
| |
| if (!allocateSubformats(formatNumber+1) || |
| !allocateArgTypes(argumentNumber+1)) { |
| ec = U_MEMORY_ALLOCATION_ERROR; |
| } |
| |
| if (U_FAILURE(ec)) { |
| delete fmt; |
| return; |
| } |
| |
| // Parse succeeded; record results in our arrays |
| subformats[formatNumber].format = fmt; |
| subformats[formatNumber].offset = segments[0].length(); |
| subformats[formatNumber].arg = argumentNumber; |
| subformatCount = formatNumber+1; |
| |
| // Careful here: argumentNumber may in general arrive out of |
| // sequence, e.g., "There was {2} on {0,date} (see {1,number})." |
| argTypes[argumentNumber] = argType; |
| if (argumentNumber+1 > argTypeCount) { |
| argTypeCount = argumentNumber+1; |
| } |
| } |
| |
| // ------------------------------------- |
| // Finds the string, s, in the string array, list. |
| int32_t MessageFormat::findKeyword(const UnicodeString& s, |
| const UChar * const *list) |
| { |
| if (s.length() == 0) |
| return 0; // default |
| |
| UnicodeString buffer = s; |
| // Trims the space characters and turns all characters |
| // in s to lower case. |
| buffer.trim().toLower(""); |
| for (int32_t i = 0; list[i]; ++i) { |
| if (!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& appendTo) |
| { |
| UBool gotLB = FALSE; |
| |
| for (int32_t i = start; i < end; ++i) { |
| UChar ch = source[i]; |
| if (ch == LEFT_CURLY_BRACE) { |
| appendTo += SINGLE_QUOTE; |
| appendTo += LEFT_CURLY_BRACE; |
| appendTo += SINGLE_QUOTE; |
| gotLB = TRUE; |
| } |
| else if (ch == RIGHT_CURLY_BRACE) { |
| if(gotLB) { |
| appendTo += RIGHT_CURLY_BRACE; |
| gotLB = FALSE; |
| } |
| else { |
| // orig code. |
| appendTo += SINGLE_QUOTE; |
| appendTo += RIGHT_CURLY_BRACE; |
| appendTo += SINGLE_QUOTE; |
| } |
| } |
| else if (ch == SINGLE_QUOTE) { |
| appendTo += SINGLE_QUOTE; |
| appendTo += SINGLE_QUOTE; |
| } |
| else { |
| appendTo += 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 != NULL && temp->getDynamicClassID() == DecimalFormat::getStaticClassID()) { |
| DecimalFormat *temp2 = (DecimalFormat*) temp; |
| temp2->setMaximumFractionDigits(0); |
| temp2->setDecimalSeparatorAlwaysShown(FALSE); |
| temp2->setParseIntegerOnly(TRUE); |
| } |
| |
| return temp; |
| } |
| |
| /** |
| * Return the default number format. Used to format a numeric |
| * argument when subformats[i].format is NULL. Returns NULL |
| * on failure. |
| * |
| * Semantically const but may modify *this. |
| */ |
| const NumberFormat* MessageFormat::getDefaultNumberFormat(UErrorCode& ec) const { |
| if (defaultNumberFormat == NULL) { |
| MessageFormat* t = (MessageFormat*) this; |
| t->defaultNumberFormat = NumberFormat::createInstance(fLocale, ec); |
| if (U_FAILURE(ec)) { |
| delete t->defaultNumberFormat; |
| t->defaultNumberFormat = NULL; |
| } else if (t->defaultNumberFormat == NULL) { |
| ec = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| return defaultNumberFormat; |
| } |
| |
| /** |
| * Return the default date format. Used to format a date |
| * argument when subformats[i].format is NULL. Returns NULL |
| * on failure. |
| * |
| * Semantically const but may modify *this. |
| */ |
| const DateFormat* MessageFormat::getDefaultDateFormat(UErrorCode& ec) const { |
| if (defaultDateFormat == NULL) { |
| MessageFormat* t = (MessageFormat*) this; |
| t->defaultDateFormat = DateFormat::createDateTimeInstance(DateFormat::kShort, DateFormat::kShort, fLocale); |
| if (t->defaultDateFormat == NULL) { |
| ec = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| return defaultDateFormat; |
| } |
| |
| U_NAMESPACE_END |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
| |
| //eof |
