| // © 2016 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| /******************************************************************** |
| * COPYRIGHT: |
| * Copyright (c) 1997-2015, 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 |
| * 11/01/09 kirtig Added SelectFormat |
| ********************************************************************/ |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| #if defined(STARBOARD) |
| #include "starboard/client_porting/poem/assert_poem.h" |
| #include "starboard/client_porting/poem/string_poem.h" |
| #endif // defined(STARBOARD) |
| #include "unicode/appendable.h" |
| #include "unicode/choicfmt.h" |
| #include "unicode/datefmt.h" |
| #include "unicode/decimfmt.h" |
| #include "unicode/localpointer.h" |
| #include "unicode/msgfmt.h" |
| #include "unicode/numberformatter.h" |
| #include "unicode/plurfmt.h" |
| #include "unicode/rbnf.h" |
| #include "unicode/selfmt.h" |
| #include "unicode/smpdtfmt.h" |
| #include "unicode/umsg.h" |
| #include "unicode/ustring.h" |
| #include "cmemory.h" |
| #include "patternprops.h" |
| #include "messageimpl.h" |
| #include "msgfmt_impl.h" |
| #include "plurrule_impl.h" |
| #include "uassert.h" |
| #include "uelement.h" |
| #include "uhash.h" |
| #include "ustrfmt.h" |
| #include "util.h" |
| #include "uvector.h" |
| #include "number_decimalquantity.h" |
| |
| // ***************************************************************************** |
| // class MessageFormat |
| // ***************************************************************************** |
| |
| #define SINGLE_QUOTE ((UChar)0x0027) |
| #define COMMA ((UChar)0x002C) |
| #define LEFT_CURLY_BRACE ((UChar)0x007B) |
| #define RIGHT_CURLY_BRACE ((UChar)0x007D) |
| |
| //--------------------------------------- |
| // static data |
| |
| 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_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_NUMBER, |
| ID_DATE, |
| ID_TIME, |
| ID_SPELLOUT, |
| ID_ORDINAL, |
| ID_DURATION, |
| NULL, |
| }; |
| |
| static const UChar ID_EMPTY[] = { |
| 0 /* empty string, used for default so that null can mark end of list */ |
| }; |
| 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 icu::DateFormat::EStyle DATE_STYLES[] = { |
| icu::DateFormat::kDefault, |
| icu::DateFormat::kShort, |
| icu::DateFormat::kMedium, |
| icu::DateFormat::kLong, |
| icu::DateFormat::kFull, |
| }; |
| |
| static const int32_t DEFAULT_INITIAL_CAPACITY = 10; |
| |
| static const UChar NULL_STRING[] = { |
| 0x6E, 0x75, 0x6C, 0x6C, 0 // "null" |
| }; |
| |
| static const UChar OTHER_STRING[] = { |
| 0x6F, 0x74, 0x68, 0x65, 0x72, 0 // "other" |
| }; |
| |
| U_CDECL_BEGIN |
| static UBool U_CALLCONV equalFormatsForHash(const UHashTok key1, |
| const UHashTok key2) { |
| return icu::MessageFormat::equalFormats(key1.pointer, key2.pointer); |
| } |
| |
| U_CDECL_END |
| |
| U_NAMESPACE_BEGIN |
| |
| // ------------------------------------- |
| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(MessageFormat) |
| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(FormatNameEnumeration) |
| |
| //-------------------------------------------------------------------- |
| |
| /** |
| * 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, -1); |
| return appendTo; |
| } |
| |
| |
| // AppendableWrapper: encapsulates the result of formatting, keeping track |
| // of the string and its length. |
| class AppendableWrapper : public UMemory { |
| public: |
| AppendableWrapper(Appendable& appendable) : app(appendable), len(0) { |
| } |
| void append(const UnicodeString& s) { |
| app.appendString(s.getBuffer(), s.length()); |
| len += s.length(); |
| } |
| void append(const UChar* s, const int32_t sLength) { |
| app.appendString(s, sLength); |
| len += sLength; |
| } |
| void append(const UnicodeString& s, int32_t start, int32_t length) { |
| append(s.tempSubString(start, length)); |
| } |
| void formatAndAppend(const Format* formatter, const Formattable& arg, UErrorCode& ec) { |
| UnicodeString s; |
| formatter->format(arg, s, ec); |
| if (U_SUCCESS(ec)) { |
| append(s); |
| } |
| } |
| void formatAndAppend(const Format* formatter, const Formattable& arg, |
| const UnicodeString &argString, UErrorCode& ec) { |
| if (!argString.isEmpty()) { |
| if (U_SUCCESS(ec)) { |
| append(argString); |
| } |
| } else { |
| formatAndAppend(formatter, arg, ec); |
| } |
| } |
| int32_t length() { |
| return len; |
| } |
| private: |
| Appendable& app; |
| int32_t len; |
| }; |
| |
| |
| // ------------------------------------- |
| // Creates a MessageFormat instance based on the pattern. |
| |
| MessageFormat::MessageFormat(const UnicodeString& pattern, |
| UErrorCode& success) |
| : fLocale(Locale::getDefault()), // Uses the default locale |
| msgPattern(success), |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| hasArgTypeConflicts(FALSE), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL), |
| cachedFormatters(NULL), |
| customFormatArgStarts(NULL), |
| pluralProvider(*this, UPLURAL_TYPE_CARDINAL), |
| ordinalProvider(*this, UPLURAL_TYPE_ORDINAL) |
| { |
| setLocaleIDs(fLocale.getName(), fLocale.getName()); |
| applyPattern(pattern, success); |
| } |
| |
| MessageFormat::MessageFormat(const UnicodeString& pattern, |
| const Locale& newLocale, |
| UErrorCode& success) |
| : fLocale(newLocale), |
| msgPattern(success), |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| hasArgTypeConflicts(FALSE), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL), |
| cachedFormatters(NULL), |
| customFormatArgStarts(NULL), |
| pluralProvider(*this, UPLURAL_TYPE_CARDINAL), |
| ordinalProvider(*this, UPLURAL_TYPE_ORDINAL) |
| { |
| setLocaleIDs(fLocale.getName(), fLocale.getName()); |
| applyPattern(pattern, success); |
| } |
| |
| MessageFormat::MessageFormat(const UnicodeString& pattern, |
| const Locale& newLocale, |
| UParseError& parseError, |
| UErrorCode& success) |
| : fLocale(newLocale), |
| msgPattern(success), |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| hasArgTypeConflicts(FALSE), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL), |
| cachedFormatters(NULL), |
| customFormatArgStarts(NULL), |
| pluralProvider(*this, UPLURAL_TYPE_CARDINAL), |
| ordinalProvider(*this, UPLURAL_TYPE_ORDINAL) |
| { |
| setLocaleIDs(fLocale.getName(), fLocale.getName()); |
| applyPattern(pattern, parseError, success); |
| } |
| |
| MessageFormat::MessageFormat(const MessageFormat& that) |
| : |
| Format(that), |
| fLocale(that.fLocale), |
| msgPattern(that.msgPattern), |
| formatAliases(NULL), |
| formatAliasesCapacity(0), |
| argTypes(NULL), |
| argTypeCount(0), |
| argTypeCapacity(0), |
| hasArgTypeConflicts(that.hasArgTypeConflicts), |
| defaultNumberFormat(NULL), |
| defaultDateFormat(NULL), |
| cachedFormatters(NULL), |
| customFormatArgStarts(NULL), |
| pluralProvider(*this, UPLURAL_TYPE_CARDINAL), |
| ordinalProvider(*this, UPLURAL_TYPE_ORDINAL) |
| { |
| // This will take care of creating the hash tables (since they are NULL). |
| UErrorCode ec = U_ZERO_ERROR; |
| copyObjects(that, ec); |
| if (U_FAILURE(ec)) { |
| resetPattern(); |
| } |
| } |
| |
| MessageFormat::~MessageFormat() |
| { |
| uhash_close(cachedFormatters); |
| uhash_close(customFormatArgStarts); |
| |
| uprv_free(argTypes); |
| uprv_free(formatAliases); |
| delete defaultNumberFormat; |
| delete defaultDateFormat; |
| } |
| |
| //-------------------------------------------------------------------- |
| // Variable-size array management |
| |
| /** |
| * 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, UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| return FALSE; |
| } |
| if (argTypeCapacity >= capacity) { |
| return TRUE; |
| } |
| if (capacity < DEFAULT_INITIAL_CAPACITY) { |
| capacity = DEFAULT_INITIAL_CAPACITY; |
| } else if (capacity < 2*argTypeCapacity) { |
| capacity = 2*argTypeCapacity; |
| } |
| Formattable::Type* a = (Formattable::Type*) |
| uprv_realloc(argTypes, sizeof(*argTypes) * capacity); |
| if (a == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return FALSE; |
| } |
| argTypes = a; |
| argTypeCapacity = capacity; |
| return TRUE; |
| } |
| |
| // ------------------------------------- |
| // assignment operator |
| |
| const MessageFormat& |
| MessageFormat::operator=(const MessageFormat& that) |
| { |
| if (this != &that) { |
| // Calls the super class for assignment first. |
| Format::operator=(that); |
| |
| setLocale(that.fLocale); |
| msgPattern = that.msgPattern; |
| hasArgTypeConflicts = that.hasArgTypeConflicts; |
| |
| UErrorCode ec = U_ZERO_ERROR; |
| copyObjects(that, ec); |
| if (U_FAILURE(ec)) { |
| resetPattern(); |
| } |
| } |
| 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) || |
| msgPattern != that.msgPattern || |
| fLocale != that.fLocale) { |
| return FALSE; |
| } |
| |
| // Compare hashtables. |
| if ((customFormatArgStarts == NULL) != (that.customFormatArgStarts == NULL)) { |
| return FALSE; |
| } |
| if (customFormatArgStarts == NULL) { |
| return TRUE; |
| } |
| |
| UErrorCode ec = U_ZERO_ERROR; |
| const int32_t count = uhash_count(customFormatArgStarts); |
| const int32_t rhs_count = uhash_count(that.customFormatArgStarts); |
| if (count != rhs_count) { |
| return FALSE; |
| } |
| int32_t idx = 0, rhs_idx = 0, pos = UHASH_FIRST, rhs_pos = UHASH_FIRST; |
| for (; idx < count && rhs_idx < rhs_count && U_SUCCESS(ec); ++idx, ++rhs_idx) { |
| const UHashElement* cur = uhash_nextElement(customFormatArgStarts, &pos); |
| const UHashElement* rhs_cur = uhash_nextElement(that.customFormatArgStarts, &rhs_pos); |
| if (cur->key.integer != rhs_cur->key.integer) { |
| return FALSE; |
| } |
| const Format* format = (const Format*)uhash_iget(cachedFormatters, cur->key.integer); |
| const Format* rhs_format = (const Format*)uhash_iget(that.cachedFormatters, rhs_cur->key.integer); |
| if (*format != *rhs_format) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| // ------------------------------------- |
| // Creates a copy of this MessageFormat, the caller owns the copy. |
| |
| MessageFormat* |
| 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()); |
| pluralProvider.reset(); |
| ordinalProvider.reset(); |
| } |
| } |
| |
| // ------------------------------------- |
| // 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; |
| } |
| msgPattern.parse(pattern, &parseError, ec); |
| cacheExplicitFormats(ec); |
| |
| if (U_FAILURE(ec)) { |
| resetPattern(); |
| } |
| } |
| |
| void MessageFormat::resetPattern() { |
| msgPattern.clear(); |
| uhash_close(cachedFormatters); |
| cachedFormatters = NULL; |
| uhash_close(customFormatArgStarts); |
| customFormatArgStarts = NULL; |
| argTypeCount = 0; |
| hasArgTypeConflicts = FALSE; |
| } |
| |
| void |
| MessageFormat::applyPattern(const UnicodeString& pattern, |
| UMessagePatternApostropheMode aposMode, |
| UParseError* parseError, |
| UErrorCode& status) { |
| if (aposMode != msgPattern.getApostropheMode()) { |
| msgPattern.clearPatternAndSetApostropheMode(aposMode); |
| } |
| applyPattern(pattern, *parseError, status); |
| } |
| |
| // ------------------------------------- |
| // Converts this MessageFormat instance to a pattern. |
| |
| UnicodeString& |
| MessageFormat::toPattern(UnicodeString& appendTo) const { |
| if ((customFormatArgStarts != NULL && 0 != uhash_count(customFormatArgStarts)) || |
| 0 == msgPattern.countParts() |
| ) { |
| appendTo.setToBogus(); |
| return appendTo; |
| } |
| return appendTo.append(msgPattern.getPatternString()); |
| } |
| |
| int32_t MessageFormat::nextTopLevelArgStart(int32_t partIndex) const { |
| if (partIndex != 0) { |
| partIndex = msgPattern.getLimitPartIndex(partIndex); |
| } |
| for (;;) { |
| UMessagePatternPartType type = msgPattern.getPartType(++partIndex); |
| if (type == UMSGPAT_PART_TYPE_ARG_START) { |
| return partIndex; |
| } |
| if (type == UMSGPAT_PART_TYPE_MSG_LIMIT) { |
| return -1; |
| } |
| } |
| } |
| |
| void MessageFormat::setArgStartFormat(int32_t argStart, |
| Format* formatter, |
| UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| delete formatter; |
| return; |
| } |
| if (cachedFormatters == NULL) { |
| cachedFormatters=uhash_open(uhash_hashLong, uhash_compareLong, |
| equalFormatsForHash, &status); |
| if (U_FAILURE(status)) { |
| delete formatter; |
| return; |
| } |
| uhash_setValueDeleter(cachedFormatters, uprv_deleteUObject); |
| } |
| if (formatter == NULL) { |
| formatter = new DummyFormat(); |
| } |
| uhash_iput(cachedFormatters, argStart, formatter, &status); |
| } |
| |
| |
| UBool MessageFormat::argNameMatches(int32_t partIndex, const UnicodeString& argName, int32_t argNumber) { |
| const MessagePattern::Part& part = msgPattern.getPart(partIndex); |
| return part.getType() == UMSGPAT_PART_TYPE_ARG_NAME ? |
| msgPattern.partSubstringMatches(part, argName) : |
| part.getValue() == argNumber; // ARG_NUMBER |
| } |
| |
| // Sets a custom formatter for a MessagePattern ARG_START part index. |
| // "Custom" formatters are provided by the user via setFormat() or similar APIs. |
| void MessageFormat::setCustomArgStartFormat(int32_t argStart, |
| Format* formatter, |
| UErrorCode& status) { |
| setArgStartFormat(argStart, formatter, status); |
| if (customFormatArgStarts == NULL) { |
| customFormatArgStarts=uhash_open(uhash_hashLong, uhash_compareLong, |
| NULL, &status); |
| } |
| uhash_iputi(customFormatArgStarts, argStart, 1, &status); |
| } |
| |
| Format* MessageFormat::getCachedFormatter(int32_t argumentNumber) const { |
| if (cachedFormatters == NULL) { |
| return NULL; |
| } |
| void* ptr = uhash_iget(cachedFormatters, argumentNumber); |
| if (ptr != NULL && dynamic_cast<DummyFormat*>((Format*)ptr) == NULL) { |
| return (Format*) ptr; |
| } else { |
| // Not cached, or a DummyFormat representing setFormat(NULL). |
| return NULL; |
| } |
| } |
| |
| // ------------------------------------- |
| // 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; |
| } |
| // Throw away any cached formatters. |
| if (cachedFormatters != NULL) { |
| uhash_removeAll(cachedFormatters); |
| } |
| if (customFormatArgStarts != NULL) { |
| uhash_removeAll(customFormatArgStarts); |
| } |
| |
| int32_t formatNumber = 0; |
| UErrorCode status = U_ZERO_ERROR; |
| for (int32_t partIndex = 0; |
| formatNumber < count && U_SUCCESS(status) && |
| (partIndex = nextTopLevelArgStart(partIndex)) >= 0;) { |
| setCustomArgStartFormat(partIndex, newFormats[formatNumber], status); |
| ++formatNumber; |
| } |
| // Delete those that didn't get used (if any). |
| for (; formatNumber < count; ++formatNumber) { |
| delete newFormats[formatNumber]; |
| } |
| |
| } |
| |
| // ------------------------------------- |
| // 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; |
| } |
| // Throw away any cached formatters. |
| if (cachedFormatters != NULL) { |
| uhash_removeAll(cachedFormatters); |
| } |
| if (customFormatArgStarts != NULL) { |
| uhash_removeAll(customFormatArgStarts); |
| } |
| |
| UErrorCode status = U_ZERO_ERROR; |
| int32_t formatNumber = 0; |
| for (int32_t partIndex = 0; |
| formatNumber < count && U_SUCCESS(status) && (partIndex = nextTopLevelArgStart(partIndex)) >= 0;) { |
| Format* newFormat = NULL; |
| if (newFormats[formatNumber] != NULL) { |
| newFormat = newFormats[formatNumber]->clone(); |
| if (newFormat == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| setCustomArgStartFormat(partIndex, newFormat, status); |
| ++formatNumber; |
| } |
| if (U_FAILURE(status)) { |
| resetPattern(); |
| } |
| } |
| |
| // ------------------------------------- |
| // Adopt a single format by format number. |
| // Do nothing if the format number is not less than the array count. |
| |
| void |
| MessageFormat::adoptFormat(int32_t n, Format *newFormat) { |
| LocalPointer<Format> p(newFormat); |
| if (n >= 0) { |
| int32_t formatNumber = 0; |
| for (int32_t partIndex = 0; (partIndex = nextTopLevelArgStart(partIndex)) >= 0;) { |
| if (n == formatNumber) { |
| UErrorCode status = U_ZERO_ERROR; |
| setCustomArgStartFormat(partIndex, p.orphan(), status); |
| return; |
| } |
| ++formatNumber; |
| } |
| } |
| } |
| |
| // ------------------------------------- |
| // Adopt a single format by format name. |
| // Do nothing if there is no match of formatName. |
| void |
| MessageFormat::adoptFormat(const UnicodeString& formatName, |
| Format* formatToAdopt, |
| UErrorCode& status) { |
| LocalPointer<Format> p(formatToAdopt); |
| if (U_FAILURE(status)) { |
| return; |
| } |
| int32_t argNumber = MessagePattern::validateArgumentName(formatName); |
| if (argNumber < UMSGPAT_ARG_NAME_NOT_NUMBER) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| for (int32_t partIndex = 0; |
| (partIndex = nextTopLevelArgStart(partIndex)) >= 0 && U_SUCCESS(status); |
| ) { |
| if (argNameMatches(partIndex + 1, formatName, argNumber)) { |
| Format* f; |
| if (p.isValid()) { |
| f = p.orphan(); |
| } else if (formatToAdopt == NULL) { |
| f = NULL; |
| } else { |
| f = formatToAdopt->clone(); |
| if (f == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| } |
| setCustomArgStartFormat(partIndex, f, status); |
| } |
| } |
| } |
| |
| // ------------------------------------- |
| // Set a single format. |
| // Do nothing if the variable is not less than the array count. |
| void |
| MessageFormat::setFormat(int32_t n, const Format& newFormat) { |
| |
| if (n >= 0) { |
| int32_t formatNumber = 0; |
| for (int32_t partIndex = 0; |
| (partIndex = nextTopLevelArgStart(partIndex)) >= 0;) { |
| if (n == formatNumber) { |
| Format* new_format = newFormat.clone(); |
| if (new_format) { |
| UErrorCode status = U_ZERO_ERROR; |
| setCustomArgStartFormat(partIndex, new_format, status); |
| } |
| return; |
| } |
| ++formatNumber; |
| } |
| } |
| } |
| |
| // ------------------------------------- |
| // Get a single format by format name. |
| // Do nothing if the variable is not less than the array count. |
| Format * |
| MessageFormat::getFormat(const UnicodeString& formatName, UErrorCode& status) { |
| if (U_FAILURE(status) || cachedFormatters == NULL) return NULL; |
| |
| int32_t argNumber = MessagePattern::validateArgumentName(formatName); |
| if (argNumber < UMSGPAT_ARG_NAME_NOT_NUMBER) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return NULL; |
| } |
| for (int32_t partIndex = 0; (partIndex = nextTopLevelArgStart(partIndex)) >= 0;) { |
| if (argNameMatches(partIndex + 1, formatName, argNumber)) { |
| return getCachedFormatter(partIndex); |
| } |
| } |
| return NULL; |
| } |
| |
| // ------------------------------------- |
| // Set a single format by format name |
| // Do nothing if the variable is not less than the array count. |
| void |
| MessageFormat::setFormat(const UnicodeString& formatName, |
| const Format& newFormat, |
| UErrorCode& status) { |
| if (U_FAILURE(status)) return; |
| |
| int32_t argNumber = MessagePattern::validateArgumentName(formatName); |
| if (argNumber < UMSGPAT_ARG_NAME_NOT_NUMBER) { |
| status = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| for (int32_t partIndex = 0; |
| (partIndex = nextTopLevelArgStart(partIndex)) >= 0 && U_SUCCESS(status); |
| ) { |
| if (argNameMatches(partIndex + 1, formatName, argNumber)) { |
| Format* new_format = newFormat.clone(); |
| if (new_format == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| setCustomArgStartFormat(partIndex, new_format, status); |
| } |
| } |
| } |
| |
| // ------------------------------------- |
| // 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. |
| |
| // Get total required capacity first (it's refreshed on each call). |
| int32_t totalCapacity = 0; |
| for (int32_t partIndex = 0; (partIndex = nextTopLevelArgStart(partIndex)) >= 0; ++totalCapacity) {} |
| |
| MessageFormat* t = const_cast<MessageFormat*> (this); |
| cnt = 0; |
| if (formatAliases == nullptr) { |
| t->formatAliasesCapacity = totalCapacity; |
| Format** a = (Format**) |
| uprv_malloc(sizeof(Format*) * formatAliasesCapacity); |
| if (a == nullptr) { |
| t->formatAliasesCapacity = 0; |
| return nullptr; |
| } |
| t->formatAliases = a; |
| } else if (totalCapacity > formatAliasesCapacity) { |
| Format** a = (Format**) |
| uprv_realloc(formatAliases, sizeof(Format*) * totalCapacity); |
| if (a == nullptr) { |
| t->formatAliasesCapacity = 0; |
| return nullptr; |
| } |
| t->formatAliases = a; |
| t->formatAliasesCapacity = totalCapacity; |
| } |
| |
| for (int32_t partIndex = 0; (partIndex = nextTopLevelArgStart(partIndex)) >= 0;) { |
| t->formatAliases[cnt++] = getCachedFormatter(partIndex); |
| } |
| |
| return (const Format**)formatAliases; |
| } |
| |
| |
| UnicodeString MessageFormat::getArgName(int32_t partIndex) { |
| const MessagePattern::Part& part = msgPattern.getPart(partIndex); |
| return msgPattern.getSubstring(part); |
| } |
| |
| StringEnumeration* |
| MessageFormat::getFormatNames(UErrorCode& status) { |
| if (U_FAILURE(status)) return NULL; |
| |
| UVector *fFormatNames = new UVector(status); |
| if (U_FAILURE(status)) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return NULL; |
| } |
| fFormatNames->setDeleter(uprv_deleteUObject); |
| |
| for (int32_t partIndex = 0; (partIndex = nextTopLevelArgStart(partIndex)) >= 0;) { |
| fFormatNames->addElement(new UnicodeString(getArgName(partIndex + 1)), status); |
| } |
| |
| StringEnumeration* nameEnumerator = new FormatNameEnumeration(fFormatNames, status); |
| return nameEnumerator; |
| } |
| |
| // ------------------------------------- |
| // 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 |
| { |
| return format(source, NULL, cnt, appendTo, &ignore, 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); |
| return temp.format(arguments, NULL, cnt, appendTo, NULL, success); |
| } |
| |
| // ------------------------------------- |
| // 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 |
| { |
| if (U_FAILURE(success)) |
| return appendTo; |
| if (source.getType() != Formattable::kArray) { |
| success = U_ILLEGAL_ARGUMENT_ERROR; |
| return appendTo; |
| } |
| int32_t cnt; |
| const Formattable* tmpPtr = source.getArray(cnt); |
| return format(tmpPtr, NULL, cnt, appendTo, &ignore, success); |
| } |
| |
| UnicodeString& |
| MessageFormat::format(const UnicodeString* argumentNames, |
| const Formattable* arguments, |
| int32_t count, |
| UnicodeString& appendTo, |
| UErrorCode& success) const { |
| return format(arguments, argumentNames, count, appendTo, NULL, success); |
| } |
| |
| // Does linear search to find the match for an ArgName. |
| const Formattable* MessageFormat::getArgFromListByName(const Formattable* arguments, |
| const UnicodeString *argumentNames, |
| int32_t cnt, UnicodeString& name) const { |
| for (int32_t i = 0; i < cnt; ++i) { |
| if (0 == argumentNames[i].compare(name)) { |
| return arguments + i; |
| } |
| } |
| return NULL; |
| } |
| |
| |
| UnicodeString& |
| MessageFormat::format(const Formattable* arguments, |
| const UnicodeString *argumentNames, |
| int32_t cnt, |
| UnicodeString& appendTo, |
| FieldPosition* pos, |
| UErrorCode& status) const { |
| if (U_FAILURE(status)) { |
| return appendTo; |
| } |
| |
| UnicodeStringAppendable usapp(appendTo); |
| AppendableWrapper app(usapp); |
| format(0, NULL, arguments, argumentNames, cnt, app, pos, status); |
| return appendTo; |
| } |
| |
| namespace { |
| |
| /** |
| * Mutable input/output values for the PluralSelectorProvider. |
| * Separate so that it is possible to make MessageFormat Freezable. |
| */ |
| class PluralSelectorContext { |
| public: |
| PluralSelectorContext(int32_t start, const UnicodeString &name, |
| const Formattable &num, double off, UErrorCode &errorCode) |
| : startIndex(start), argName(name), offset(off), |
| numberArgIndex(-1), formatter(NULL), forReplaceNumber(FALSE) { |
| // number needs to be set even when select() is not called. |
| // Keep it as a Number/Formattable: |
| // For format() methods, and to preserve information (e.g., BigDecimal). |
| if(off == 0) { |
| number = num; |
| } else { |
| number = num.getDouble(errorCode) - off; |
| } |
| } |
| |
| // Input values for plural selection with decimals. |
| int32_t startIndex; |
| const UnicodeString &argName; |
| /** argument number - plural offset */ |
| Formattable number; |
| double offset; |
| // Output values for plural selection with decimals. |
| /** -1 if REPLACE_NUMBER, 0 arg not found, >0 ARG_START index */ |
| int32_t numberArgIndex; |
| const Format *formatter; |
| /** formatted argument number - plural offset */ |
| UnicodeString numberString; |
| /** TRUE if number-offset was formatted with the stock number formatter */ |
| UBool forReplaceNumber; |
| }; |
| |
| } // namespace |
| |
| // if argumentNames is NULL, this means arguments is a numeric array. |
| // arguments can not be NULL. |
| // We use const void *plNumber rather than const PluralSelectorContext *pluralNumber |
| // so that we need not declare the PluralSelectorContext in the public header file. |
| void MessageFormat::format(int32_t msgStart, const void *plNumber, |
| const Formattable* arguments, |
| const UnicodeString *argumentNames, |
| int32_t cnt, |
| AppendableWrapper& appendTo, |
| FieldPosition* ignore, |
| UErrorCode& success) const { |
| if (U_FAILURE(success)) { |
| return; |
| } |
| |
| const UnicodeString& msgString = msgPattern.getPatternString(); |
| int32_t prevIndex = msgPattern.getPart(msgStart).getLimit(); |
| for (int32_t i = msgStart + 1; U_SUCCESS(success) ; ++i) { |
| const MessagePattern::Part* part = &msgPattern.getPart(i); |
| const UMessagePatternPartType type = part->getType(); |
| int32_t index = part->getIndex(); |
| appendTo.append(msgString, prevIndex, index - prevIndex); |
| if (type == UMSGPAT_PART_TYPE_MSG_LIMIT) { |
| return; |
| } |
| prevIndex = part->getLimit(); |
| if (type == UMSGPAT_PART_TYPE_REPLACE_NUMBER) { |
| const PluralSelectorContext &pluralNumber = |
| *static_cast<const PluralSelectorContext *>(plNumber); |
| if(pluralNumber.forReplaceNumber) { |
| // number-offset was already formatted. |
| appendTo.formatAndAppend(pluralNumber.formatter, |
| pluralNumber.number, pluralNumber.numberString, success); |
| } else { |
| const NumberFormat* nf = getDefaultNumberFormat(success); |
| appendTo.formatAndAppend(nf, pluralNumber.number, success); |
| } |
| continue; |
| } |
| if (type != UMSGPAT_PART_TYPE_ARG_START) { |
| continue; |
| } |
| int32_t argLimit = msgPattern.getLimitPartIndex(i); |
| UMessagePatternArgType argType = part->getArgType(); |
| part = &msgPattern.getPart(++i); |
| const Formattable* arg; |
| UBool noArg = FALSE; |
| UnicodeString argName = msgPattern.getSubstring(*part); |
| if (argumentNames == NULL) { |
| int32_t argNumber = part->getValue(); // ARG_NUMBER |
| if (0 <= argNumber && argNumber < cnt) { |
| arg = arguments + argNumber; |
| } else { |
| arg = NULL; |
| noArg = TRUE; |
| } |
| } else { |
| arg = getArgFromListByName(arguments, argumentNames, cnt, argName); |
| if (arg == NULL) { |
| noArg = TRUE; |
| } |
| } |
| ++i; |
| int32_t prevDestLength = appendTo.length(); |
| const Format* formatter = NULL; |
| if (noArg) { |
| appendTo.append( |
| UnicodeString(LEFT_CURLY_BRACE).append(argName).append(RIGHT_CURLY_BRACE)); |
| } else if (arg == NULL) { |
| appendTo.append(NULL_STRING, 4); |
| } else if(plNumber!=NULL && |
| static_cast<const PluralSelectorContext *>(plNumber)->numberArgIndex==(i-2)) { |
| const PluralSelectorContext &pluralNumber = |
| *static_cast<const PluralSelectorContext *>(plNumber); |
| if(pluralNumber.offset == 0) { |
| // The number was already formatted with this formatter. |
| appendTo.formatAndAppend(pluralNumber.formatter, pluralNumber.number, |
| pluralNumber.numberString, success); |
| } else { |
| // Do not use the formatted (number-offset) string for a named argument |
| // that formats the number without subtracting the offset. |
| appendTo.formatAndAppend(pluralNumber.formatter, *arg, success); |
| } |
| } else if ((formatter = getCachedFormatter(i -2)) != 0) { |
| // Handles all ArgType.SIMPLE, and formatters from setFormat() and its siblings. |
| if (dynamic_cast<const ChoiceFormat*>(formatter) || |
| dynamic_cast<const PluralFormat*>(formatter) || |
| dynamic_cast<const SelectFormat*>(formatter)) { |
| // We only handle nested formats here if they were provided via |
| // setFormat() or its siblings. Otherwise they are not cached and instead |
| // handled below according to argType. |
| UnicodeString subMsgString; |
| formatter->format(*arg, subMsgString, success); |
| if (subMsgString.indexOf(LEFT_CURLY_BRACE) >= 0 || |
| (subMsgString.indexOf(SINGLE_QUOTE) >= 0 && !MessageImpl::jdkAposMode(msgPattern)) |
| ) { |
| MessageFormat subMsgFormat(subMsgString, fLocale, success); |
| subMsgFormat.format(0, NULL, arguments, argumentNames, cnt, appendTo, ignore, success); |
| } else { |
| appendTo.append(subMsgString); |
| } |
| } else { |
| appendTo.formatAndAppend(formatter, *arg, success); |
| } |
| } else if (argType == UMSGPAT_ARG_TYPE_NONE || (cachedFormatters && uhash_iget(cachedFormatters, i - 2))) { |
| // We arrive here if getCachedFormatter returned NULL, but there was actually an element in the hash table. |
| // This can only happen if the hash table contained a DummyFormat, so the if statement above is a check |
| // for the hash table containind DummyFormat. |
| if (arg->isNumeric()) { |
| const NumberFormat* nf = getDefaultNumberFormat(success); |
| appendTo.formatAndAppend(nf, *arg, success); |
| } else if (arg->getType() == Formattable::kDate) { |
| const DateFormat* df = getDefaultDateFormat(success); |
| appendTo.formatAndAppend(df, *arg, success); |
| } else { |
| appendTo.append(arg->getString(success)); |
| } |
| } else if (argType == UMSGPAT_ARG_TYPE_CHOICE) { |
| if (!arg->isNumeric()) { |
| success = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| // We must use the Formattable::getDouble() variant with the UErrorCode parameter |
| // because only this one converts non-double numeric types to double. |
| const double number = arg->getDouble(success); |
| int32_t subMsgStart = ChoiceFormat::findSubMessage(msgPattern, i, number); |
| formatComplexSubMessage(subMsgStart, NULL, arguments, argumentNames, |
| cnt, appendTo, success); |
| } else if (UMSGPAT_ARG_TYPE_HAS_PLURAL_STYLE(argType)) { |
| if (!arg->isNumeric()) { |
| success = U_ILLEGAL_ARGUMENT_ERROR; |
| return; |
| } |
| const PluralSelectorProvider &selector = |
| argType == UMSGPAT_ARG_TYPE_PLURAL ? pluralProvider : ordinalProvider; |
| // We must use the Formattable::getDouble() variant with the UErrorCode parameter |
| // because only this one converts non-double numeric types to double. |
| double offset = msgPattern.getPluralOffset(i); |
| PluralSelectorContext context(i, argName, *arg, offset, success); |
| int32_t subMsgStart = PluralFormat::findSubMessage( |
| msgPattern, i, selector, &context, arg->getDouble(success), success); |
| formatComplexSubMessage(subMsgStart, &context, arguments, argumentNames, |
| cnt, appendTo, success); |
| } else if (argType == UMSGPAT_ARG_TYPE_SELECT) { |
| int32_t subMsgStart = SelectFormat::findSubMessage(msgPattern, i, arg->getString(success), success); |
| formatComplexSubMessage(subMsgStart, NULL, arguments, argumentNames, |
| cnt, appendTo, success); |
| } else { |
| // This should never happen. |
| success = U_INTERNAL_PROGRAM_ERROR; |
| return; |
| } |
| ignore = updateMetaData(appendTo, prevDestLength, ignore, arg); |
| prevIndex = msgPattern.getPart(argLimit).getLimit(); |
| i = argLimit; |
| } |
| } |
| |
| |
| void MessageFormat::formatComplexSubMessage(int32_t msgStart, |
| const void *plNumber, |
| const Formattable* arguments, |
| const UnicodeString *argumentNames, |
| int32_t cnt, |
| AppendableWrapper& appendTo, |
| UErrorCode& success) const { |
| if (U_FAILURE(success)) { |
| return; |
| } |
| |
| if (!MessageImpl::jdkAposMode(msgPattern)) { |
| format(msgStart, plNumber, arguments, argumentNames, cnt, appendTo, NULL, success); |
| return; |
| } |
| |
| // JDK compatibility mode: (see JDK MessageFormat.format() API docs) |
| // - remove SKIP_SYNTAX; that is, remove half of the apostrophes |
| // - if the result string contains an open curly brace '{' then |
| // instantiate a temporary MessageFormat object and format again; |
| // otherwise just append the result string |
| const UnicodeString& msgString = msgPattern.getPatternString(); |
| UnicodeString sb; |
| int32_t prevIndex = msgPattern.getPart(msgStart).getLimit(); |
| for (int32_t i = msgStart;;) { |
| const MessagePattern::Part& part = msgPattern.getPart(++i); |
| const UMessagePatternPartType type = part.getType(); |
| int32_t index = part.getIndex(); |
| if (type == UMSGPAT_PART_TYPE_MSG_LIMIT) { |
| sb.append(msgString, prevIndex, index - prevIndex); |
| break; |
| } else if (type == UMSGPAT_PART_TYPE_REPLACE_NUMBER || type == UMSGPAT_PART_TYPE_SKIP_SYNTAX) { |
| sb.append(msgString, prevIndex, index - prevIndex); |
| if (type == UMSGPAT_PART_TYPE_REPLACE_NUMBER) { |
| const PluralSelectorContext &pluralNumber = |
| *static_cast<const PluralSelectorContext *>(plNumber); |
| if(pluralNumber.forReplaceNumber) { |
| // number-offset was already formatted. |
| sb.append(pluralNumber.numberString); |
| } else { |
| const NumberFormat* nf = getDefaultNumberFormat(success); |
| sb.append(nf->format(pluralNumber.number, sb, success)); |
| } |
| } |
| prevIndex = part.getLimit(); |
| } else if (type == UMSGPAT_PART_TYPE_ARG_START) { |
| sb.append(msgString, prevIndex, index - prevIndex); |
| prevIndex = index; |
| i = msgPattern.getLimitPartIndex(i); |
| index = msgPattern.getPart(i).getLimit(); |
| MessageImpl::appendReducedApostrophes(msgString, prevIndex, index, sb); |
| prevIndex = index; |
| } |
| } |
| if (sb.indexOf(LEFT_CURLY_BRACE) >= 0) { |
| UnicodeString emptyPattern; // gcc 3.3.3 fails with "UnicodeString()" as the first parameter. |
| MessageFormat subMsgFormat(emptyPattern, fLocale, success); |
| subMsgFormat.applyPattern(sb, UMSGPAT_APOS_DOUBLE_REQUIRED, NULL, success); |
| subMsgFormat.format(0, NULL, arguments, argumentNames, cnt, appendTo, NULL, success); |
| } else { |
| appendTo.append(sb); |
| } |
| } |
| |
| |
| UnicodeString MessageFormat::getLiteralStringUntilNextArgument(int32_t from) const { |
| const UnicodeString& msgString=msgPattern.getPatternString(); |
| int32_t prevIndex=msgPattern.getPart(from).getLimit(); |
| UnicodeString b; |
| for (int32_t i = from + 1; ; ++i) { |
| const MessagePattern::Part& part = msgPattern.getPart(i); |
| const UMessagePatternPartType type=part.getType(); |
| int32_t index=part.getIndex(); |
| b.append(msgString, prevIndex, index - prevIndex); |
| if(type==UMSGPAT_PART_TYPE_ARG_START || type==UMSGPAT_PART_TYPE_MSG_LIMIT) { |
| return b; |
| } |
| // Unexpected Part "part" in parsed message. |
| U_ASSERT(type==UMSGPAT_PART_TYPE_SKIP_SYNTAX || type==UMSGPAT_PART_TYPE_INSERT_CHAR); |
| prevIndex=part.getLimit(); |
| } |
| } |
| |
| |
| FieldPosition* MessageFormat::updateMetaData(AppendableWrapper& /*dest*/, int32_t /*prevLength*/, |
| FieldPosition* /*fp*/, const Formattable* /*argId*/) const { |
| // Unlike in Java, there are no field attributes defined for MessageFormat. Do nothing. |
| return NULL; |
| /* |
| if (fp != NULL && Field.ARGUMENT.equals(fp.getFieldAttribute())) { |
| fp->setBeginIndex(prevLength); |
| fp->setEndIndex(dest.get_length()); |
| return NULL; |
| } |
| return fp; |
| */ |
| } |
| |
| int32_t |
| MessageFormat::findOtherSubMessage(int32_t partIndex) const { |
| int32_t count=msgPattern.countParts(); |
| const MessagePattern::Part *part = &msgPattern.getPart(partIndex); |
| if(MessagePattern::Part::hasNumericValue(part->getType())) { |
| ++partIndex; |
| } |
| // Iterate over (ARG_SELECTOR [ARG_INT|ARG_DOUBLE] message) tuples |
| // until ARG_LIMIT or end of plural-only pattern. |
| UnicodeString other(FALSE, OTHER_STRING, 5); |
| do { |
| part=&msgPattern.getPart(partIndex++); |
| UMessagePatternPartType type=part->getType(); |
| if(type==UMSGPAT_PART_TYPE_ARG_LIMIT) { |
| break; |
| } |
| U_ASSERT(type==UMSGPAT_PART_TYPE_ARG_SELECTOR); |
| // part is an ARG_SELECTOR followed by an optional explicit value, and then a message |
| if(msgPattern.partSubstringMatches(*part, other)) { |
| return partIndex; |
| } |
| if(MessagePattern::Part::hasNumericValue(msgPattern.getPartType(partIndex))) { |
| ++partIndex; // skip the numeric-value part of "=1" etc. |
| } |
| partIndex=msgPattern.getLimitPartIndex(partIndex); |
| } while(++partIndex<count); |
| return 0; |
| } |
| |
| int32_t |
| MessageFormat::findFirstPluralNumberArg(int32_t msgStart, const UnicodeString &argName) const { |
| for(int32_t i=msgStart+1;; ++i) { |
| const MessagePattern::Part &part=msgPattern.getPart(i); |
| UMessagePatternPartType type=part.getType(); |
| if(type==UMSGPAT_PART_TYPE_MSG_LIMIT) { |
| return 0; |
| } |
| if(type==UMSGPAT_PART_TYPE_REPLACE_NUMBER) { |
| return -1; |
| } |
| if(type==UMSGPAT_PART_TYPE_ARG_START) { |
| UMessagePatternArgType argType=part.getArgType(); |
| if(!argName.isEmpty() && (argType==UMSGPAT_ARG_TYPE_NONE || argType==UMSGPAT_ARG_TYPE_SIMPLE)) { |
| // ARG_NUMBER or ARG_NAME |
| if(msgPattern.partSubstringMatches(msgPattern.getPart(i+1), argName)) { |
| return i; |
| } |
| } |
| i=msgPattern.getLimitPartIndex(i); |
| } |
| } |
| } |
| |
| void MessageFormat::copyObjects(const MessageFormat& that, UErrorCode& ec) { |
| // Deep copy pointer fields. |
| // We need not copy the formatAliases because they are re-filled |
| // in each getFormats() call. |
| // The defaultNumberFormat, defaultDateFormat and pluralProvider.rules |
| // also get created on demand. |
| argTypeCount = that.argTypeCount; |
| if (argTypeCount > 0) { |
| if (!allocateArgTypes(argTypeCount, ec)) { |
| return; |
| } |
| uprv_memcpy(argTypes, that.argTypes, argTypeCount * sizeof(argTypes[0])); |
| } |
| if (cachedFormatters != NULL) { |
| uhash_removeAll(cachedFormatters); |
| } |
| if (customFormatArgStarts != NULL) { |
| uhash_removeAll(customFormatArgStarts); |
| } |
| if (that.cachedFormatters) { |
| if (cachedFormatters == NULL) { |
| cachedFormatters=uhash_open(uhash_hashLong, uhash_compareLong, |
| equalFormatsForHash, &ec); |
| if (U_FAILURE(ec)) { |
| return; |
| } |
| uhash_setValueDeleter(cachedFormatters, uprv_deleteUObject); |
| } |
| |
| const int32_t count = uhash_count(that.cachedFormatters); |
| int32_t pos, idx; |
| for (idx = 0, pos = UHASH_FIRST; idx < count && U_SUCCESS(ec); ++idx) { |
| const UHashElement* cur = uhash_nextElement(that.cachedFormatters, &pos); |
| Format* newFormat = ((Format*)(cur->value.pointer))->clone(); |
| if (newFormat) { |
| uhash_iput(cachedFormatters, cur->key.integer, newFormat, &ec); |
| } else { |
| ec = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| } |
| } |
| if (that.customFormatArgStarts) { |
| if (customFormatArgStarts == NULL) { |
| customFormatArgStarts=uhash_open(uhash_hashLong, uhash_compareLong, |
| NULL, &ec); |
| } |
| const int32_t count = uhash_count(that.customFormatArgStarts); |
| int32_t pos, idx; |
| for (idx = 0, pos = UHASH_FIRST; idx < count && U_SUCCESS(ec); ++idx) { |
| const UHashElement* cur = uhash_nextElement(that.customFormatArgStarts, &pos); |
| uhash_iputi(customFormatArgStarts, cur->key.integer, cur->value.integer, &ec); |
| } |
| } |
| } |
| |
| |
| Formattable* |
| MessageFormat::parse(int32_t msgStart, |
| const UnicodeString& source, |
| ParsePosition& pos, |
| int32_t& count, |
| UErrorCode& ec) const { |
| count = 0; |
| if (U_FAILURE(ec)) { |
| pos.setErrorIndex(pos.getIndex()); |
| return NULL; |
| } |
| // parse() does not work with named arguments. |
| if (msgPattern.hasNamedArguments()) { |
| ec = U_ARGUMENT_TYPE_MISMATCH; |
| pos.setErrorIndex(pos.getIndex()); |
| return NULL; |
| } |
| LocalArray<Formattable> resultArray(new Formattable[argTypeCount ? argTypeCount : 1]); |
| const UnicodeString& msgString=msgPattern.getPatternString(); |
| int32_t prevIndex=msgPattern.getPart(msgStart).getLimit(); |
| int32_t sourceOffset = pos.getIndex(); |
| ParsePosition tempStatus(0); |
| |
| for(int32_t i=msgStart+1; ; ++i) { |
| UBool haveArgResult = FALSE; |
| const MessagePattern::Part* part=&msgPattern.getPart(i); |
| const UMessagePatternPartType type=part->getType(); |
| int32_t index=part->getIndex(); |
| // Make sure the literal string matches. |
| int32_t len = index - prevIndex; |
| if (len == 0 || (0 == msgString.compare(prevIndex, len, source, sourceOffset, len))) { |
| sourceOffset += len; |
| prevIndex += len; |
| } else { |
| pos.setErrorIndex(sourceOffset); |
| return NULL; // leave index as is to signal error |
| } |
| if(type==UMSGPAT_PART_TYPE_MSG_LIMIT) { |
| // Things went well! Done. |
| pos.setIndex(sourceOffset); |
| return resultArray.orphan(); |
| } |
| if(type==UMSGPAT_PART_TYPE_SKIP_SYNTAX || type==UMSGPAT_PART_TYPE_INSERT_CHAR) { |
| prevIndex=part->getLimit(); |
| continue; |
| } |
| // We do not support parsing Plural formats. (No REPLACE_NUMBER here.) |
| // Unexpected Part "part" in parsed message. |
| U_ASSERT(type==UMSGPAT_PART_TYPE_ARG_START); |
| int32_t argLimit=msgPattern.getLimitPartIndex(i); |
| |
| UMessagePatternArgType argType=part->getArgType(); |
| part=&msgPattern.getPart(++i); |
| int32_t argNumber = part->getValue(); // ARG_NUMBER |
| UnicodeString key; |
| ++i; |
| const Format* formatter = NULL; |
| Formattable& argResult = resultArray[argNumber]; |
| |
| if(cachedFormatters!=NULL && (formatter = getCachedFormatter(i - 2))!=NULL) { |
| // Just parse using the formatter. |
| tempStatus.setIndex(sourceOffset); |
| formatter->parseObject(source, argResult, tempStatus); |
| if (tempStatus.getIndex() == sourceOffset) { |
| pos.setErrorIndex(sourceOffset); |
| return NULL; // leave index as is to signal error |
| } |
| sourceOffset = tempStatus.getIndex(); |
| haveArgResult = TRUE; |
| } else if( |
| argType==UMSGPAT_ARG_TYPE_NONE || (cachedFormatters && uhash_iget(cachedFormatters, i -2))) { |
| // We arrive here if getCachedFormatter returned NULL, but there was actually an element in the hash table. |
| // This can only happen if the hash table contained a DummyFormat, so the if statement above is a check |
| // for the hash table containind DummyFormat. |
| |
| // Match as a string. |
| // if at end, use longest possible match |
| // otherwise uses first match to intervening string |
| // does NOT recursively try all possibilities |
| UnicodeString stringAfterArgument = getLiteralStringUntilNextArgument(argLimit); |
| int32_t next; |
| if (!stringAfterArgument.isEmpty()) { |
| next = source.indexOf(stringAfterArgument, sourceOffset); |
| } else { |
| next = source.length(); |
| } |
| if (next < 0) { |
| pos.setErrorIndex(sourceOffset); |
| return NULL; // leave index as is to signal error |
| } else { |
| UnicodeString strValue(source.tempSubString(sourceOffset, next - sourceOffset)); |
| UnicodeString compValue; |
| compValue.append(LEFT_CURLY_BRACE); |
| itos(argNumber, compValue); |
| compValue.append(RIGHT_CURLY_BRACE); |
| if (0 != strValue.compare(compValue)) { |
| argResult.setString(strValue); |
| haveArgResult = TRUE; |
| } |
| sourceOffset = next; |
| } |
| } else if(argType==UMSGPAT_ARG_TYPE_CHOICE) { |
| tempStatus.setIndex(sourceOffset); |
| double choiceResult = ChoiceFormat::parseArgument(msgPattern, i, source, tempStatus); |
| if (tempStatus.getIndex() == sourceOffset) { |
| pos.setErrorIndex(sourceOffset); |
| return NULL; // leave index as is to signal error |
| } |
| argResult.setDouble(choiceResult); |
| haveArgResult = TRUE; |
| sourceOffset = tempStatus.getIndex(); |
| } else if(UMSGPAT_ARG_TYPE_HAS_PLURAL_STYLE(argType) || argType==UMSGPAT_ARG_TYPE_SELECT) { |
| // Parsing not supported. |
| ec = U_UNSUPPORTED_ERROR; |
| return NULL; |
| } else { |
| // This should never happen. |
| ec = U_INTERNAL_PROGRAM_ERROR; |
| return NULL; |
| } |
| if (haveArgResult && count <= argNumber) { |
| count = argNumber + 1; |
| } |
| prevIndex=msgPattern.getPart(argLimit).getLimit(); |
| i=argLimit; |
| } |
| } |
| // ------------------------------------- |
| // 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 { |
| UErrorCode ec = U_ZERO_ERROR; |
| return parse(0, source, pos, count, ec); |
| } |
| |
| // ------------------------------------- |
| // 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 |
| { |
| if (msgPattern.hasNamedArguments()) { |
| success = U_ARGUMENT_TYPE_MISMATCH; |
| return NULL; |
| } |
| 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 (fmt == NULL) { |
| ec = U_MEMORY_ALLOCATION_ERROR; |
| } else if (U_SUCCESS(ec) && defaultRuleSet.length() > 0) { |
| UErrorCode localStatus = U_ZERO_ERROR; // ignore unrecognized default rule set |
| fmt->setDefaultRuleSet(defaultRuleSet, localStatus); |
| } |
| return fmt; |
| } |
| |
| void MessageFormat::cacheExplicitFormats(UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| if (cachedFormatters != NULL) { |
| uhash_removeAll(cachedFormatters); |
| } |
| if (customFormatArgStarts != NULL) { |
| uhash_removeAll(customFormatArgStarts); |
| } |
| |
| // The last two "parts" can at most be ARG_LIMIT and MSG_LIMIT |
| // which we need not examine. |
| int32_t limit = msgPattern.countParts() - 2; |
| argTypeCount = 0; |
| // We also need not look at the first two "parts" |
| // (at most MSG_START and ARG_START) in this loop. |
| // We determine the argTypeCount first so that we can allocateArgTypes |
| // so that the next loop can set argTypes[argNumber]. |
| // (This is for the C API which needs the argTypes to read its va_arg list.) |
| for (int32_t i = 2; i < limit && U_SUCCESS(status); ++i) { |
| const MessagePattern::Part& part = msgPattern.getPart(i); |
| if (part.getType() == UMSGPAT_PART_TYPE_ARG_NUMBER) { |
| const int argNumber = part.getValue(); |
| if (argNumber >= argTypeCount) { |
| argTypeCount = argNumber + 1; |
| } |
| } |
| } |
| if (!allocateArgTypes(argTypeCount, status)) { |
| return; |
| } |
| // Set all argTypes to kObject, as a "none" value, for lack of any better value. |
| // We never use kObject for real arguments. |
| // We use it as "no argument yet" for the check for hasArgTypeConflicts. |
| for (int32_t i = 0; i < argTypeCount; ++i) { |
| argTypes[i] = Formattable::kObject; |
| } |
| hasArgTypeConflicts = FALSE; |
| |
| // This loop starts at part index 1 because we do need to examine |
| // ARG_START parts. (But we can ignore the MSG_START.) |
| for (int32_t i = 1; i < limit && U_SUCCESS(status); ++i) { |
| const MessagePattern::Part* part = &msgPattern.getPart(i); |
| if (part->getType() != UMSGPAT_PART_TYPE_ARG_START) { |
| continue; |
| } |
| UMessagePatternArgType argType = part->getArgType(); |
| |
| int32_t argNumber = -1; |
| part = &msgPattern.getPart(i + 1); |
| if (part->getType() == UMSGPAT_PART_TYPE_ARG_NUMBER) { |
| argNumber = part->getValue(); |
| } |
| Formattable::Type formattableType; |
| |
| switch (argType) { |
| case UMSGPAT_ARG_TYPE_NONE: |
| formattableType = Formattable::kString; |
| break; |
| case UMSGPAT_ARG_TYPE_SIMPLE: { |
| int32_t index = i; |
| i += 2; |
| UnicodeString explicitType = msgPattern.getSubstring(msgPattern.getPart(i++)); |
| UnicodeString style; |
| if ((part = &msgPattern.getPart(i))->getType() == UMSGPAT_PART_TYPE_ARG_STYLE) { |
| style = msgPattern.getSubstring(*part); |
| ++i; |
| } |
| UParseError parseError; |
| Format* formatter = createAppropriateFormat(explicitType, style, formattableType, parseError, status); |
| setArgStartFormat(index, formatter, status); |
| break; |
| } |
| case UMSGPAT_ARG_TYPE_CHOICE: |
| case UMSGPAT_ARG_TYPE_PLURAL: |
| case UMSGPAT_ARG_TYPE_SELECTORDINAL: |
| formattableType = Formattable::kDouble; |
| break; |
| case UMSGPAT_ARG_TYPE_SELECT: |
| formattableType = Formattable::kString; |
| break; |
| default: |
| status = U_INTERNAL_PROGRAM_ERROR; // Should be unreachable. |
| formattableType = Formattable::kString; |
| break; |
| } |
| if (argNumber != -1) { |
| if (argTypes[argNumber] != Formattable::kObject && argTypes[argNumber] != formattableType) { |
| hasArgTypeConflicts = TRUE; |
| } |
| argTypes[argNumber] = formattableType; |
| } |
| } |
| } |
| |
| Format* MessageFormat::createAppropriateFormat(UnicodeString& type, UnicodeString& style, |
| Formattable::Type& formattableType, UParseError& parseError, |
| UErrorCode& ec) { |
| if (U_FAILURE(ec)) { |
| return NULL; |
| } |
| Format* fmt = NULL; |
| int32_t typeID, styleID; |
| DateFormat::EStyle date_style; |
| int32_t firstNonSpace; |
| |
| switch (typeID = findKeyword(type, TYPE_IDS)) { |
| case 0: // number |
| formattableType = Formattable::kDouble; |
| switch (findKeyword(style, 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 |
| formattableType = Formattable::kLong; |
| fmt = createIntegerFormat(fLocale, ec); |
| break; |
| default: // pattern or skeleton |
| firstNonSpace = PatternProps::skipWhiteSpace(style, 0); |
| if (style.compare(firstNonSpace, 2, u"::", 0, 2) == 0) { |
| // Skeleton |
| UnicodeString skeleton = style.tempSubString(firstNonSpace + 2); |
| fmt = number::NumberFormatter::forSkeleton(skeleton, ec).locale(fLocale).toFormat(ec); |
| } else { |
| // Pattern |
| fmt = NumberFormat::createInstance(fLocale, ec); |
| if (fmt) { |
| auto* decfmt = dynamic_cast<DecimalFormat*>(fmt); |
| if (decfmt != nullptr) { |
| decfmt->applyPattern(style, parseError, ec); |
| } |
| } |
| } |
| break; |
| } |
| break; |
| |
| case 1: // date |
| case 2: // time |
| formattableType = Formattable::kDate; |
| firstNonSpace = PatternProps::skipWhiteSpace(style, 0); |
| if (style.compare(firstNonSpace, 2, u"::", 0, 2) == 0) { |
| // Skeleton |
| UnicodeString skeleton = style.tempSubString(firstNonSpace + 2); |
| fmt = DateFormat::createInstanceForSkeleton(skeleton, fLocale, ec); |
| } else { |
| // Pattern |
| styleID = findKeyword(style, DATE_STYLE_IDS); |
| date_style = (styleID >= 0) ? DATE_STYLES[styleID] : DateFormat::kDefault; |
| |
| if (typeID == 1) { |
| fmt = DateFormat::createDateInstance(date_style, fLocale); |
| } else { |
| fmt = DateFormat::createTimeInstance(date_style, fLocale); |
| } |
| |
| if (styleID < 0 && fmt != NULL) { |
| SimpleDateFormat* sdtfmt = dynamic_cast<SimpleDateFormat*>(fmt); |
| if (sdtfmt != NULL) { |
| sdtfmt->applyPattern(style); |
| } |
| } |
| } |
| break; |
| |
| case 3: // spellout |
| formattableType = Formattable::kDouble; |
| fmt = makeRBNF(URBNF_SPELLOUT, fLocale, style, ec); |
| break; |
| case 4: // ordinal |
| formattableType = Formattable::kDouble; |
| fmt = makeRBNF(URBNF_ORDINAL, fLocale, style, ec); |
| break; |
| case 5: // duration |
| formattableType = Formattable::kDouble; |
| fmt = makeRBNF(URBNF_DURATION, fLocale, style, ec); |
| break; |
| default: |
| formattableType = Formattable::kString; |
| ec = U_ILLEGAL_ARGUMENT_ERROR; |
| break; |
| } |
| |
| return fmt; |
| } |
| |
| |
| //------------------------------------- |
| // Finds the string, s, in the string array, list. |
| int32_t MessageFormat::findKeyword(const UnicodeString& s, |
| const UChar * const *list) |
| { |
| if (s.isEmpty()) { |
| return 0; // default |
| } |
| |
| int32_t length = s.length(); |
| const UChar *ps = PatternProps::trimWhiteSpace(s.getBuffer(), length); |
| UnicodeString buffer(FALSE, ps, length); |
| // Trims the space characters and turns all characters |
| // in s to lower case. |
| buffer.toLower(""); |
| for (int32_t i = 0; list[i]; ++i) { |
| if (!buffer.compare(list[i], u_strlen(list[i]))) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Convenience method that ought to be in NumberFormat |
| */ |
| NumberFormat* |
| MessageFormat::createIntegerFormat(const Locale& locale, UErrorCode& status) const { |
| NumberFormat *temp = NumberFormat::createInstance(locale, status); |
| DecimalFormat *temp2; |
| if (temp != NULL && (temp2 = dynamic_cast<DecimalFormat*>(temp)) != NULL) { |
| 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; |
| } |
| |
| UBool |
| MessageFormat::usesNamedArguments() const { |
| return msgPattern.hasNamedArguments(); |
| } |
| |
| int32_t |
| MessageFormat::getArgTypeCount() const { |
| return argTypeCount; |
| } |
| |
| UBool MessageFormat::equalFormats(const void* left, const void* right) { |
| return *(const Format*)left==*(const Format*)right; |
| } |
| |
| |
| UBool MessageFormat::DummyFormat::operator==(const Format&) const { |
| return TRUE; |
| } |
| |
| MessageFormat::DummyFormat* MessageFormat::DummyFormat::clone() const { |
| return new DummyFormat(); |
| } |
| |
| UnicodeString& MessageFormat::DummyFormat::format(const Formattable&, |
| UnicodeString& appendTo, |
| UErrorCode& status) const { |
| if (U_SUCCESS(status)) { |
| status = U_UNSUPPORTED_ERROR; |
| } |
| return appendTo; |
| } |
| |
| UnicodeString& MessageFormat::DummyFormat::format(const Formattable&, |
| UnicodeString& appendTo, |
| FieldPosition&, |
| UErrorCode& status) const { |
| if (U_SUCCESS(status)) { |
| status = U_UNSUPPORTED_ERROR; |
| } |
| return appendTo; |
| } |
| |
| UnicodeString& MessageFormat::DummyFormat::format(const Formattable&, |
| UnicodeString& appendTo, |
| FieldPositionIterator*, |
| UErrorCode& status) const { |
| if (U_SUCCESS(status)) { |
| status = U_UNSUPPORTED_ERROR; |
| } |
| return appendTo; |
| } |
| |
| void MessageFormat::DummyFormat::parseObject(const UnicodeString&, |
| Formattable&, |
| ParsePosition& ) const { |
| } |
| |
| |
| FormatNameEnumeration::FormatNameEnumeration(UVector *fNameList, UErrorCode& /*status*/) { |
| pos=0; |
| fFormatNames = fNameList; |
| } |
| |
| const UnicodeString* |
| FormatNameEnumeration::snext(UErrorCode& status) { |
| if (U_SUCCESS(status) && pos < fFormatNames->size()) { |
| return (const UnicodeString*)fFormatNames->elementAt(pos++); |
| } |
| return NULL; |
| } |
| |
| void |
| FormatNameEnumeration::reset(UErrorCode& /*status*/) { |
| pos=0; |
| } |
| |
| int32_t |
| FormatNameEnumeration::count(UErrorCode& /*status*/) const { |
| return (fFormatNames==NULL) ? 0 : fFormatNames->size(); |
| } |
| |
| FormatNameEnumeration::~FormatNameEnumeration() { |
| delete fFormatNames; |
| } |
| |
| MessageFormat::PluralSelectorProvider::PluralSelectorProvider(const MessageFormat &mf, UPluralType t) |
| : msgFormat(mf), rules(NULL), type(t) { |
| } |
| |
| MessageFormat::PluralSelectorProvider::~PluralSelectorProvider() { |
| delete rules; |
| } |
| |
| UnicodeString MessageFormat::PluralSelectorProvider::select(void *ctx, double number, |
| UErrorCode& ec) const { |
| if (U_FAILURE(ec)) { |
| return UnicodeString(FALSE, OTHER_STRING, 5); |
| } |
| MessageFormat::PluralSelectorProvider* t = const_cast<MessageFormat::PluralSelectorProvider*>(this); |
| if(rules == NULL) { |
| t->rules = PluralRules::forLocale(msgFormat.fLocale, type, ec); |
| if (U_FAILURE(ec)) { |
| return UnicodeString(FALSE, OTHER_STRING, 5); |
| } |
| } |
| // Select a sub-message according to how the number is formatted, |
| // which is specified in the selected sub-message. |
| // We avoid this circle by looking at how |
| // the number is formatted in the "other" sub-message |
| // which must always be present and usually contains the number. |
| // Message authors should be consistent across sub-messages. |
| PluralSelectorContext &context = *static_cast<PluralSelectorContext *>(ctx); |
| int32_t otherIndex = msgFormat.findOtherSubMessage(context.startIndex); |
| context.numberArgIndex = msgFormat.findFirstPluralNumberArg(otherIndex, context.argName); |
| if(context.numberArgIndex > 0 && msgFormat.cachedFormatters != NULL) { |
| context.formatter = |
| (const Format*)uhash_iget(msgFormat.cachedFormatters, context.numberArgIndex); |
| } |
| if(context.formatter == NULL) { |
| context.formatter = msgFormat.getDefaultNumberFormat(ec); |
| context.forReplaceNumber = TRUE; |
| } |
| if (context.number.getDouble(ec) != number) { |
| ec = U_INTERNAL_PROGRAM_ERROR; |
| return UnicodeString(FALSE, OTHER_STRING, 5); |
| } |
| context.formatter->format(context.number, context.numberString, ec); |
| auto* decFmt = dynamic_cast<const DecimalFormat *>(context.formatter); |
| if(decFmt != NULL) { |
| number::impl::DecimalQuantity dq; |
| decFmt->formatToDecimalQuantity(context.number, dq, ec); |
| if (U_FAILURE(ec)) { |
| return UnicodeString(FALSE, OTHER_STRING, 5); |
| } |
| return rules->select(dq); |
| } else { |
| return rules->select(number); |
| } |
| } |
| |
| void MessageFormat::PluralSelectorProvider::reset() { |
| delete rules; |
| rules = NULL; |
| } |
| |
| |
| U_NAMESPACE_END |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
| |
| //eof |
