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Added UTF-8 <-> UTF-16 <-> UTF-32 <-> UCS-2 <-> UCS-4 conversion capability

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401505
This commit is contained in:
Sam Lantinga 2006-03-13 01:08:00 +00:00
parent 5f71e5a774
commit 3750cb6c4d
8 changed files with 958 additions and 5 deletions
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35
include/SDL_stdinc.h
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@ -70,6 +70,9 @@
#if HAVE_CTYPE_H
# include <ctype.h>
#endif
#if HAVE_ICONV_H
# include <iconv.h>
#endif
/* The number of elements in an array */
#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0]))
@ -518,6 +521,12 @@ extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, size
extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, const char *str2);
#endif
#if HAVE_STRNCASECMP
#define SDL_strncasecmp strncasecmp
#else
extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, const char *str2, size_t maxlen);
#endif
#if HAVE_SSCANF
#define SDL_sscanf sscanf
#else
@ -536,6 +545,32 @@ extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, const char *
extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, const char *fmt, va_list ap);
#endif
/* The SDL implementation of iconv() returns these error codes */
#define SDL_ICONV_ERROR (size_t)-1
#define SDL_ICONV_E2BIG (size_t)-2
#define SDL_ICONV_EILSEQ (size_t)-3
#define SDL_ICONV_EINVAL (size_t)-4
#if HAVE_ICONV
#define SDL_iconv_t iconv_t
#define SDL_iconv_open iconv_open
#define SDL_iconv_close iconv_close
extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
#else
typedef struct _SDL_iconv_t *SDL_iconv_t;
extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, const char *fromcode);
extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
#endif
/* This function converts a string between encodings in one pass, returning a
string that must be freed with SDL_free() or NULL on error.
*/
extern DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode, const char *fromcode, char *inbuf, size_t inbytesleft);
#define SDL_iconv_utf8_ascii(S) SDL_iconv_string("ASCII", "UTF-8", S, SDL_strlen(S)+1)
#define SDL_iconv_utf8_latin1(S) SDL_iconv_string("LATIN1", "UTF-8", S, SDL_strlen(S)+1)
#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1)
#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1)
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}