string_func.h
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00002
00018 #ifndef STRING_FUNC_H
00019 #define STRING_FUNC_H
00020
00021 #include "core/bitmath_func.hpp"
00022 #include "string_type.h"
00023
00038 void ttd_strlcat(char *dst, const char *src, size_t size);
00039
00054 void ttd_strlcpy(char *dst, const char *src, size_t size);
00055
00072 char *strecat(char *dst, const char *src, const char *last);
00073
00090 char *strecpy(char *dst, const char *src, const char *last);
00091
00092 int CDECL seprintf(char *str, const char *last, const char *format, ...) WARN_FORMAT(3, 4);
00093
00094 char *CDECL str_fmt(const char *str, ...) WARN_FORMAT(1, 2);
00095
00104 void str_validate(char *str, const char *last, bool allow_newlines = false, bool ignore = false);
00105
00107 void str_strip_colours(char *str);
00108
00110 void strtolower(char *str);
00111
00119 static inline bool StrEmpty(const char *s)
00120 {
00121 return s == NULL || s[0] == '\0';
00122 }
00123
00131 static inline size_t ttd_strnlen(const char *str, size_t maxlen)
00132 {
00133 const char *t;
00134 for (t = str; (size_t)(t - str) < maxlen && *t != '\0'; t++) {}
00135 return t - str;
00136 }
00137
00139 char *md5sumToString(char *buf, const char *last, const uint8 md5sum[16]);
00140
00148 bool IsValidChar(WChar key, CharSetFilter afilter);
00149
00150 size_t Utf8Decode(WChar *c, const char *s);
00151 size_t Utf8Encode(char *buf, WChar c);
00152 size_t Utf8TrimString(char *s, size_t maxlen);
00153
00154
00155 static inline WChar Utf8Consume(const char **s)
00156 {
00157 WChar c;
00158 *s += Utf8Decode(&c, *s);
00159 return c;
00160 }
00161
00162
00167 static inline int8 Utf8CharLen(WChar c)
00168 {
00169 if (c < 0x80) return 1;
00170 if (c < 0x800) return 2;
00171 if (c < 0x10000) return 3;
00172 if (c < 0x110000) return 4;
00173
00174
00175 return 1;
00176 }
00177
00178
00186 static inline int8 Utf8EncodedCharLen(char c)
00187 {
00188 if (GB(c, 3, 5) == 0x1E) return 4;
00189 if (GB(c, 4, 4) == 0x0E) return 3;
00190 if (GB(c, 5, 3) == 0x06) return 2;
00191 if (GB(c, 7, 1) == 0x00) return 1;
00192
00193
00194 return 0;
00195 }
00196
00197
00198
00199 static inline bool IsUtf8Part(char c)
00200 {
00201 return GB(c, 6, 2) == 2;
00202 }
00203
00211 static inline char *Utf8PrevChar(const char *s)
00212 {
00213 const char *ret = s;
00214 while (IsUtf8Part(*--ret)) {}
00215 return (char*)ret;
00216 }
00217
00218
00219 static inline bool IsPrintable(WChar c)
00220 {
00221 if (c < 0x20) return false;
00222 if (c < 0xE000) return true;
00223 if (c < 0xE200) return false;
00224 return true;
00225 }
00226
00234 static inline bool IsWhitespace(WChar c)
00235 {
00236 return
00237 c == 0x0020 ||
00238 c == 0x3000
00239 ;
00240 }
00241
00242 #ifndef _GNU_SOURCE
00243
00244 char *strndup(const char *s, size_t len);
00245 #endif
00246
00247
00248 #if defined(_GNU_SOURCE) || (defined(__BSD_VISIBLE) && __BSD_VISIBLE) || (defined(__APPLE__) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)))
00249 # undef DEFINE_STRCASESTR
00250 #else
00251 # define DEFINE_STRCASESTR
00252 const char *strcasestr(const char *haystack, const char *needle);
00253 #endif
00254
00255 #endif