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00017 #ifndef MSGFMT_H
00018 #define MSGFMT_H
00019
00020 #include "unicode/utypes.h"
00021
00022 #if !UCONFIG_NO_FORMATTING
00023
00024 #include "unicode/format.h"
00025 #include "unicode/locid.h"
00026 #include "unicode/parseerr.h"
00027
00028 U_NAMESPACE_BEGIN
00029
00030 class NumberFormat;
00031 class DateFormat;
00032
00242 class U_I18N_API MessageFormat : public Format {
00243 public:
00249 enum EFormatNumber {
00255 kMaxFormat = 10
00256 };
00257
00267 MessageFormat(const UnicodeString& pattern,
00268 UErrorCode &status);
00269
00278 MessageFormat(const UnicodeString& pattern,
00279 const Locale& newLocale,
00280 UErrorCode& status);
00291 MessageFormat(const UnicodeString& pattern,
00292 const Locale& newLocale,
00293 UParseError& parseError,
00294 UErrorCode& status);
00299 MessageFormat(const MessageFormat&);
00300
00305 const MessageFormat& operator=(const MessageFormat&);
00306
00311 virtual ~MessageFormat();
00312
00318 virtual Format* clone(void) const;
00319
00327 virtual UBool operator==(const Format& other) const;
00328
00335 virtual void setLocale(const Locale& theLocale);
00336
00343 virtual const Locale& getLocale(void) const;
00344
00353 virtual void applyPattern(const UnicodeString& pattern,
00354 UErrorCode& status);
00365 virtual void applyPattern(const UnicodeString& pattern,
00366 UParseError& parseError,
00367 UErrorCode& status);
00368
00377 virtual UnicodeString& toPattern(UnicodeString& appendTo) const;
00378
00392 virtual void adoptFormats(Format** formatsToAdopt, int32_t count);
00393
00405 virtual void setFormats(const Format** newFormats,int32_t cnt);
00406
00407
00418 virtual void adoptFormat(int32_t formatNumber, Format* formatToAdopt);
00419
00429 virtual void setFormat(int32_t formatNumber, const Format& format);
00430
00442 virtual const Format** getFormats(int32_t& count) const;
00443
00458 UnicodeString& format( const Formattable* source,
00459 int32_t count,
00460 UnicodeString& appendTo,
00461 FieldPosition& ignore,
00462 UErrorCode& status) const;
00463
00478 static UnicodeString& format( const UnicodeString& pattern,
00479 const Formattable* arguments,
00480 int32_t count,
00481 UnicodeString& appendTo,
00482 UErrorCode& status);
00483
00501 virtual UnicodeString& format(const Formattable& obj,
00502 UnicodeString& appendTo,
00503 FieldPosition& pos,
00504 UErrorCode& status) const;
00505
00520 UnicodeString& format(const Formattable& obj,
00521 UnicodeString& appendTo,
00522 UErrorCode& status) const;
00523
00537 virtual Formattable* parse( const UnicodeString& source,
00538 ParsePosition& pos,
00539 int32_t& count) const;
00540
00552 virtual Formattable* parse( const UnicodeString& source,
00553 int32_t& count,
00554 UErrorCode& status) const;
00555
00568 virtual void parseObject(const UnicodeString& source,
00569 Formattable& result,
00570 ParsePosition& pos) const;
00571
00583 virtual UClassID getDynamicClassID(void) const;
00584
00596 static UClassID getStaticClassID(void);
00597
00598 private:
00599
00600 Locale fLocale;
00601 UnicodeString fPattern;
00602 Format** formatAliases;
00603 int32_t formatAliasesCapacity;
00604
00605 MessageFormat();
00606
00607
00608
00609
00610
00611
00612
00613
00614 class Subformat {
00615 public:
00619 Format* format;
00623 int32_t offset;
00627 int32_t arg;
00628
00634 Subformat& operator=(const Subformat& that) {
00635 format = that.format ? that.format->clone() : NULL;
00636 offset = that.offset;
00637 arg = that.arg;
00638 return *this;
00639 }
00640
00644 UBool operator==(const Subformat& that) const {
00645
00646 return offset == that.offset &&
00647 arg == that.arg &&
00648 ((format == that.format) ||
00649 (*format == *that.format));
00650 }
00651
00655 UBool operator!=(const Subformat& that) const {
00656 return !operator==(that);
00657 }
00658 };
00659
00664 Subformat* subformats;
00665 int32_t subformatCount;
00666 int32_t subformatCapacity;
00667
00676 Formattable::Type* argTypes;
00677 int32_t argTypeCount;
00678 int32_t argTypeCapacity;
00679
00680
00681 UBool allocateSubformats(int32_t capacity);
00682 UBool allocateArgTypes(int32_t capacity);
00683
00691 NumberFormat* defaultNumberFormat;
00692 DateFormat* defaultDateFormat;
00693
00698 const NumberFormat* getDefaultNumberFormat(UErrorCode&) const;
00699 const DateFormat* getDefaultDateFormat(UErrorCode&) const;
00700
00707 static int32_t findKeyword( const UnicodeString& s,
00708 const UChar * const *list);
00709
00726 UnicodeString& format( const Formattable* arguments,
00727 int32_t cnt,
00728 UnicodeString& appendTo,
00729 FieldPosition& status,
00730 int32_t recursionProtection,
00731 UErrorCode& success) const;
00732
00733 void makeFormat(int32_t offsetNumber,
00734 UnicodeString* segments,
00735 UParseError& parseError,
00736 UErrorCode& success);
00737
00741 NumberFormat* createIntegerFormat(const Locale& locale, UErrorCode& status) const;
00742
00752 static void copyAndFixQuotes(const UnicodeString& appendTo, int32_t start, int32_t end, UnicodeString& target);
00753
00762 const Formattable::Type* getArgTypeList(int32_t& listCount) const {
00763 listCount = argTypeCount;
00764 return argTypes;
00765 }
00766
00767 friend class MessageFormatAdapter;
00768 };
00769
00770 inline UnicodeString&
00771 MessageFormat::format(const Formattable& obj,
00772 UnicodeString& appendTo,
00773 UErrorCode& status) const {
00774 return Format::format(obj, appendTo, status);
00775 }
00776 U_NAMESPACE_END
00777
00778 #endif
00779
00780 #endif // _MSGFMT
00781
00782