string_func.h
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00025 #ifndef STRING_FUNC_H
00026 #define STRING_FUNC_H
00027
00028 #include "core/bitmath_func.hpp"
00029 #include "string_type.h"
00030
00045 void ttd_strlcat(char *dst, const char *src, size_t size);
00046
00061 void ttd_strlcpy(char *dst, const char *src, size_t size);
00062
00079 char *strecat(char *dst, const char *src, const char *last);
00080
00097 char *strecpy(char *dst, const char *src, const char *last);
00098
00099 int CDECL seprintf(char *str, const char *last, const char *format, ...) WARN_FORMAT(3, 4);
00100
00101 char *CDECL str_fmt(const char *str, ...) WARN_FORMAT(1, 2);
00102
00111 void str_validate(char *str, const char *last, bool allow_newlines = false, bool ignore = false);
00112
00114 void str_strip_colours(char *str);
00115
00117 void strtolower(char *str);
00118
00126 static inline bool StrEmpty(const char *s)
00127 {
00128 return s == NULL || s[0] == '\0';
00129 }
00130
00138 static inline size_t ttd_strnlen(const char *str, size_t maxlen)
00139 {
00140 const char *t;
00141 for (t = str; (size_t)(t - str) < maxlen && *t != '\0'; t++) {}
00142 return t - str;
00143 }
00144
00146 char *md5sumToString(char *buf, const char *last, const uint8 md5sum[16]);
00147
00155 bool IsValidChar(WChar key, CharSetFilter afilter);
00156
00157 size_t Utf8Decode(WChar *c, const char *s);
00158 size_t Utf8Encode(char *buf, WChar c);
00159 size_t Utf8TrimString(char *s, size_t maxlen);
00160
00161
00162 static inline WChar Utf8Consume(const char **s)
00163 {
00164 WChar c;
00165 *s += Utf8Decode(&c, *s);
00166 return c;
00167 }
00168
00169
00174 static inline int8 Utf8CharLen(WChar c)
00175 {
00176 if (c < 0x80) return 1;
00177 if (c < 0x800) return 2;
00178 if (c < 0x10000) return 3;
00179 if (c < 0x110000) return 4;
00180
00181
00182 return 1;
00183 }
00184
00185
00193 static inline int8 Utf8EncodedCharLen(char c)
00194 {
00195 if (GB(c, 3, 5) == 0x1E) return 4;
00196 if (GB(c, 4, 4) == 0x0E) return 3;
00197 if (GB(c, 5, 3) == 0x06) return 2;
00198 if (GB(c, 7, 1) == 0x00) return 1;
00199
00200
00201 return 0;
00202 }
00203
00204
00205
00206 static inline bool IsUtf8Part(char c)
00207 {
00208 return GB(c, 6, 2) == 2;
00209 }
00210
00218 static inline char *Utf8PrevChar(char *s)
00219 {
00220 char *ret = s;
00221 while (IsUtf8Part(*--ret)) {}
00222 return ret;
00223 }
00224
00231 static inline bool IsTextDirectionChar(WChar c)
00232 {
00233 switch (c) {
00234 case CHAR_TD_LRM:
00235 case CHAR_TD_RLM:
00236 case CHAR_TD_LRE:
00237 case CHAR_TD_RLE:
00238 case CHAR_TD_LRO:
00239 case CHAR_TD_RLO:
00240 case CHAR_TD_PDF:
00241 return true;
00242
00243 default:
00244 return false;
00245 }
00246 }
00247
00248 static inline bool IsPrintable(WChar c)
00249 {
00250 if (c < 0x20) return false;
00251 if (c < 0xE000) return true;
00252 if (c < 0xE200) return false;
00253 return true;
00254 }
00255
00263 static inline bool IsWhitespace(WChar c)
00264 {
00265 return
00266 c == 0x0020 ||
00267 c == 0x3000
00268 ;
00269 }
00270
00271
00272 #ifdef __NetBSD__
00273 #include <sys/param.h>
00274 #endif
00275
00276
00277 #if defined(_GNU_SOURCE) || (defined(__NetBSD_Version__) && 400000000 <= __NetBSD_Version__)
00278 # undef DEFINE_STRNDUP
00279 #else
00280 # define DEFINE_STRNDUP
00281 char *strndup(const char *s, size_t len);
00282 #endif
00283
00284
00285 #if defined(_GNU_SOURCE) || (defined(__BSD_VISIBLE) && __BSD_VISIBLE) || (defined(__APPLE__) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))) || defined(_NETBSD_SOURCE)
00286 # undef DEFINE_STRCASESTR
00287 #else
00288 # define DEFINE_STRCASESTR
00289 char *strcasestr(const char *haystack, const char *needle);
00290 #endif
00291
00292 #endif