76 lines
4.1 KiB
C
76 lines
4.1 KiB
C
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// string framework
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// - rlyeh, public domain
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// string: temporary api (stack)
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API char* tempvl(const char *fmt, va_list);
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API char* tempva(const char *fmt, ...);
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#define va(...) (((&printf) || printf(__VA_ARGS__), tempva(__VA_ARGS__))) // vs2015 check trick
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// string: allocated api (heap). FREE() after use
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API char* strcatf(char **s, const char *buf);
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#define strcatf(s,fmt,...) strcatf((s), va(fmt, __VA_ARGS__))
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#define stringf(fmt,...) STRDUP(va(fmt, __VA_ARGS__)) // (strcatf)(0, va(fmt, __VA_ARGS__))
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#if is(cl) || (is(tcc) && is(win32))
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#if!is(cl)
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char* strtok_s(char* str,const char* delimiters,char** context); // tcc misses this in <string.h>
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#endif
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#define strtok_r strtok_s
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#endif
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#if 1
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#define each_substring(str, delims, keyname) \
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( int len_ = strlen(str) + 1; len_; len_ = 0 ) \
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for( char buf_[1024], *ptr_ = len_ < 1024 ? buf_ : REALLOC(0, len_), *lit_ = (char*)(str), *_bak = (snprintf(ptr_, len_, "%s", lit_), ptr_); _bak; _bak = 0, (ptr_ == buf_ ? 0 : REALLOC(ptr_, 0)) ) \
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for( char *next_token = 0, *keyname = strtok_r(_bak, delims, &next_token); keyname; keyname = strtok_r(NULL, delims, &next_token) )
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#else
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#define each_substring(str, delims, keyname) \
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( char** tokens_ = strsplit((str), (delims)), *keyname = 0; tokens_; tokens_ = 0) \
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for( int i_ = 0, end_ = array_count(tokens_); i_ < (keyname = tokens_[i_], end_); ++i_ )
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#endif
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// utils
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API int strmatch(const char *s, const char *wildcard);
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API int strmatchi(const char *s, const char *wildcard);
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API int strcmp_qsort(const void *a, const void *b);
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API int strcmpi_qsort(const void *a, const void *b);
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API bool strbeg(const char *src, const char *sub); // returns true if both strings match at beginning. case sensitive
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API bool strend(const char *src, const char *sub); // returns true if both strings match at end. case sensitive
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API bool strbegi(const char *src, const char *sub); // returns true if both strings match at beginning. case insensitive
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API bool strendi(const char *src, const char *sub); // returns true if both strings match at end. case insensitive
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API const char * strstri(const char *src, const char *sub); // returns find first substring in string. case insensitive.
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#define strcmpi ifdef(cl, _stricmp, strcasecmp)
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API char * strupper(const char *str);
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API char * strlower(const char *str);
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API char * strrepl(char **copy, const char *target, const char *replace); // replace any 'target' as 'repl' in 'copy'. 'copy' may change (heap). returns 'copy'
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API char * strswap(char *copy, const char *target, const char *replace); // replaced inline only if repl is shorter than target. no allocations.
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API char * strcut(char *copy, const char *target); // remove any 'target' in 'copy'. returns 'copy'
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API const char * strlerp(unsigned numpairs, const char **pairs, const char *str); // using key-value pairs, null-terminated
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#ifndef __APPLE__ // BSD provides these
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API size_t strlcat(char *dst, const char *src, size_t dstcap); // concat 2 strings safely. always NUL terminates. may truncate.
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API size_t strlcpy(char *dst, const char *src, size_t dstcap); // copy 2 strings safely. always NUL terminates. truncates if retval>=dstcap
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#endif
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/// split `string` after any of `delimiters` character is found.
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/// returns temporary array of split strings. see: strjoin
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/// > array(char*) tokens = strsplit("hello! world!", " !"); // [0]="hello",[1]="world",
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API array(char*) strsplit(const char *string, const char *delimiters);
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/// concatenate all elements within `list`, with `separator` string in between.
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/// returns: temporary joint string. see: strsplit
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/// > array(char*) tokens = strsplit("hello! world!", " !"); // [0]="hello",[1]="world",
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/// > char *joint = strjoin(tokens, "+"); // joint="hello+world"
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API char* strjoin(array(char*) list, const char *separator);
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API char * string8(const wchar_t *str); /// convert from wchar16(win) to utf8/ascii
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API array(uint32_t) string32( const char *utf8 ); /// convert from utf8 to utf32
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