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00026 #ifndef STRING_FUNC_H
00027 #define STRING_FUNC_H
00028
00029 #include "core/bitmath_func.hpp"
00030 #include "string_type.h"
00031
00032 void ttd_strlcat(char *dst, const char *src, size_t size);
00033 void ttd_strlcpy(char *dst, const char *src, size_t size);
00034
00035 char *strecat(char *dst, const char *src, const char *last);
00036 char *strecpy(char *dst, const char *src, const char *last);
00037
00038 int CDECL seprintf(char *str, const char *last, const char *format, ...) WARN_FORMAT(3, 4);
00039
00040 char *CDECL str_fmt(const char *str, ...) WARN_FORMAT(1, 2);
00041
00042 void str_validate(char *str, const char *last, bool allow_newlines = false, bool ignore = false);
00043 void str_strip_colours(char *str);
00044 void strtolower(char *str);
00045
00046 bool StrValid(const char *str, const char *last);
00047
00055 static inline bool StrEmpty(const char *s)
00056 {
00057 return s == NULL || s[0] == '\0';
00058 }
00059
00067 static inline size_t ttd_strnlen(const char *str, size_t maxlen)
00068 {
00069 const char *t;
00070 for (t = str; (size_t)(t - str) < maxlen && *t != '\0'; t++) {}
00071 return t - str;
00072 }
00073
00074 char *md5sumToString(char *buf, const char *last, const uint8 md5sum[16]);
00075
00076 bool IsValidChar(WChar key, CharSetFilter afilter);
00077
00078 size_t Utf8Decode(WChar *c, const char *s);
00079 size_t Utf8Encode(char *buf, WChar c);
00080 size_t Utf8TrimString(char *s, size_t maxlen);
00081
00082
00083 static inline WChar Utf8Consume(const char **s)
00084 {
00085 WChar c;
00086 *s += Utf8Decode(&c, *s);
00087 return c;
00088 }
00089
00090
00096 static inline int8 Utf8CharLen(WChar c)
00097 {
00098 if (c < 0x80) return 1;
00099 if (c < 0x800) return 2;
00100 if (c < 0x10000) return 3;
00101 if (c < 0x110000) return 4;
00102
00103
00104 return 1;
00105 }
00106
00107
00115 static inline int8 Utf8EncodedCharLen(char c)
00116 {
00117 if (GB(c, 3, 5) == 0x1E) return 4;
00118 if (GB(c, 4, 4) == 0x0E) return 3;
00119 if (GB(c, 5, 3) == 0x06) return 2;
00120 if (GB(c, 7, 1) == 0x00) return 1;
00121
00122
00123 return 0;
00124 }
00125
00126
00127
00128 static inline bool IsUtf8Part(char c)
00129 {
00130 return GB(c, 6, 2) == 2;
00131 }
00132
00140 static inline char *Utf8PrevChar(char *s)
00141 {
00142 char *ret = s;
00143 while (IsUtf8Part(*--ret)) {}
00144 return ret;
00145 }
00146
00147 size_t Utf8StringLength(const char *s);
00148
00155 static inline bool IsTextDirectionChar(WChar c)
00156 {
00157 switch (c) {
00158 case CHAR_TD_LRM:
00159 case CHAR_TD_RLM:
00160 case CHAR_TD_LRE:
00161 case CHAR_TD_RLE:
00162 case CHAR_TD_LRO:
00163 case CHAR_TD_RLO:
00164 case CHAR_TD_PDF:
00165 return true;
00166
00167 default:
00168 return false;
00169 }
00170 }
00171
00172 static inline bool IsPrintable(WChar c)
00173 {
00174 if (c < 0x20) return false;
00175 if (c < 0xE000) return true;
00176 if (c < 0xE200) return false;
00177 return true;
00178 }
00179
00187 static inline bool IsWhitespace(WChar c)
00188 {
00189 return c == 0x0020 || c == 0x3000;
00190 }
00191
00192
00193 #if defined(__NetBSD__) || defined(__FreeBSD__)
00194 #include <sys/param.h>
00195 #endif
00196
00197
00198 #if defined(_GNU_SOURCE) || (defined(__NetBSD_Version__) && 400000000 <= __NetBSD_Version__) || (defined(__FreeBSD_version) && 701101 <= __FreeBSD_version) || (defined(__DARWIN_C_LEVEL) && __DARWIN_C_LEVEL >= 200809L)
00199 # undef DEFINE_STRNDUP
00200 #else
00201 # define DEFINE_STRNDUP
00202 char *strndup(const char *s, size_t len);
00203 #endif
00204
00205
00206 #if defined(_GNU_SOURCE) || (defined(__BSD_VISIBLE) && __BSD_VISIBLE) || (defined(__APPLE__) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))) || defined(_NETBSD_SOURCE)
00207 # undef DEFINE_STRCASESTR
00208 #else
00209 # define DEFINE_STRCASESTR
00210 char *strcasestr(const char *haystack, const char *needle);
00211 #endif
00212
00213 int strnatcmp(const char *s1, const char *s2);
00214
00215 #endif