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00032 #ifndef _UCOMMON_UNICODE_H_
00033 #define _UCOMMON_UNICODE_H_
00034
00035 #ifndef _UCOMMON_STRING_H_
00036 #include <ucommon/string.h>
00037 #endif
00038
00039 NAMESPACE_UCOMMON
00040
00045 typedef int32_t ucs4_t;
00046
00050 typedef int16_t ucs2_t;
00051
00055 typedef void *unicode_t;
00056
00062 class __EXPORT utf8
00063 {
00064 public:
00068 static const unsigned ucsize;
00069
00073 static const char *nil;
00074
00080 static unsigned size(const char *codepoint);
00081
00087 static size_t count(const char *string);
00088
00095 static char *offset(char *string, ssize_t position);
00096
00102 static ucs4_t codepoint(const char *encoded);
00103
00109 static size_t chars(const unicode_t string);
00110
00116 static size_t chars(ucs4_t character);
00117
00124 static size_t unpack(const unicode_t string, CharacterProtocol& buffer);
00125
00133 static size_t pack(unicode_t unicode, CharacterProtocol& buffer, size_t size);
00134
00138 static ucs4_t *udup(const char *string);
00139
00143 static ucs2_t *wdup(const char *string);
00144
00152 static const char *find(const char *string, ucs4_t character, size_t start = 0);
00153
00161 static const char *rfind(const char *string, ucs4_t character, size_t end = (size_t)-1l);
00162
00169 static unsigned ccount(const char *string, ucs4_t character);
00170
00176 static ucs4_t get(CharacterProtocol& buffer);
00177
00184 static ucs4_t put(ucs4_t character, CharacterProtocol& buffer);
00185 };
00186
00193 class __EXPORT UString : public String, public utf8
00194 {
00195 protected:
00199 UString();
00200
00205 UString(strsize_t size);
00206
00211 UString(const unicode_t text);
00212
00219 UString(const char *text, strsize_t size);
00220
00227 UString(const unicode_t *text, const unicode_t *end);
00228
00234 UString(const UString& existing);
00235
00240 virtual ~UString();
00241
00248 UString get(strsize_t codepoint, strsize_t size = 0) const;
00249
00256 size_t get(unicode_t unicode, size_t size) const;
00257
00262 void set(const unicode_t unicode);
00263
00268 void add(const unicode_t unicode);
00269
00275 ucs4_t at(int position) const;
00276
00283 inline size_t operator()(unicode_t unicode, size_t size) const
00284 {return get(unicode, size);};
00285
00292 UString operator()(int codepoint, strsize_t size) const;
00293
00301 const char *operator()(int offset) const;
00302
00308 inline ucs4_t operator[](int position) const
00309 {return UString::at(position);};
00310
00315 inline strsize_t count(void) const
00316 {return utf8::count(str->text);}
00317
00323 unsigned ccount(ucs4_t character) const;
00324
00331 const char *find(ucs4_t character, strsize_t start = 0) const;
00332
00339 const char *rfind(ucs4_t character, strsize_t end = npos) const;
00340 };
00341
00347 class __EXPORT utf8_pointer
00348 {
00349 protected:
00350 uint8_t *text;
00351
00352 public:
00356 utf8_pointer();
00357
00362 utf8_pointer(const char *string);
00363
00368 utf8_pointer(const utf8_pointer& copy);
00369
00374 utf8_pointer& operator ++();
00375
00380 utf8_pointer& operator --();
00381
00387 utf8_pointer& operator +=(long offset);
00388
00394 utf8_pointer& operator -=(long offset);
00395
00401 utf8_pointer operator+(long offset) const;
00402
00408 utf8_pointer operator-(long offset) const;
00409
00414 inline operator bool() const
00415 {return text != NULL;};
00416
00421 inline bool operator!() const
00422 {return text == NULL;};
00423
00429 ucs4_t operator[](long codepoint) const;
00430
00436 utf8_pointer& operator=(const char *string);
00437
00441 void inc(void);
00442
00446 void dec(void);
00447
00453 inline bool operator==(const char *string) const
00454 {return (const char *)text == string;};
00455
00461 inline bool operator!=(const char *string) const
00462 {return (const char *)text != string;};
00463
00468 inline ucs4_t operator*() const
00469 {return utf8::codepoint((const char *)text);};
00470
00475 inline char *c_str(void) const
00476 {return (char *)text;};
00477
00482 inline operator char*() const
00483 {return (char *)text;};
00484
00489 inline size_t len(void) const
00490 {return utf8::count((const char *)text);};
00491 };
00492
00493 inline ucs4_t *strudup(const char *string)
00494 {return utf8::udup(string);}
00495
00496 inline ucs2_t *strwdup(const char *string)
00497 {return utf8::wdup(string);}
00498
00499 __EXPORT unicode_t unidup(const char *string);
00500
00501 template<>
00502 inline void dupfree<ucs2_t*>(ucs2_t *string)
00503 {::free(string);}
00504
00505 template<>
00506 inline void dupfree<ucs4_t*>(ucs4_t *string)
00507 {::free(string);}
00508
00509 template<>
00510 inline void dupfree<unicode_t>(unicode_t string)
00511 {::free(string);}
00512
00516 typedef UString ustring_t;
00517
00521 typedef utf8_pointer utf8_t;
00522
00523 END_NAMESPACE
00524
00525 #endif