author | rubidium |
Thu, 08 Feb 2007 16:18:11 +0000 | |
branch | 0.5 |
changeset 5435 | c1fef8c3fc7e |
parent 5416 | 87d5e006851b |
child 5470 | 9fce095970bb |
permissions | -rw-r--r-- |
2186 | 1 |
/* $Id$ */ |
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#ifndef STRING_H |
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#define STRING_H |
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#include "macros.h" |
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/* |
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* dst: destination buffer |
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* src: string to copy/concatenate |
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* size: size of the destination buffer |
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* usage: ttd_strlcpy(dst, src, lengthof(dst)); |
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*/ |
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void ttd_strlcat(char *dst, const char *src, size_t size); |
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void ttd_strlcpy(char *dst, const char *src, size_t size); |
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/* |
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* dst: destination buffer |
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* src: string to copy |
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* last: pointer to the last element in the dst array |
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* if NULL no boundary check is performed |
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* returns a pointer to the terminating \0 in the destination buffer |
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* usage: strecpy(dst, src, lastof(dst)); |
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*/ |
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char* strecat(char* dst, const char* src, const char* last); |
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char* strecpy(char* dst, const char* src, const char* last); |
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char* CDECL str_fmt(const char* str, ...); |
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/** Scans the string for valid characters and if it finds invalid ones, |
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* replaces them with a question mark '?' */ |
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void str_validate(char *str); |
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/** Scans the string for colour codes and strips them */ |
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void str_strip_colours(char *str); |
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/** |
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* Valid filter types for IsValidChar. |
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*/ |
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typedef enum CharSetFilter { |
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CS_ALPHANUMERAL, //! Both numeric and alphabetic and spaces and stuff |
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CS_NUMERAL, //! Only numeric ones |
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CS_ALPHA, //! Only alphabetic values |
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} CharSetFilter; |
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/** Convert the given string to lowercase, only works with ASCII! */ |
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void strtolower(char *str); |
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/** Get the length of a string, within a limited buffer */ |
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static inline int ttd_strnlen(const char *str, int maxlen) |
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{ |
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const char *t; |
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for (t = str; *t != '\0' && t - str < maxlen; t++); |
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return t - str; |
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} |
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/** Convert the md5sum number to a 'hexadecimal' string, return next pos in buffer */ |
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char *md5sumToString(char *buf, const char *last, const uint8 md5sum[16]); |
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typedef uint32 WChar; |
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/** |
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* Only allow certain keys. You can define the filter to be used. This makes |
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* sure no invalid keys can get into an editbox, like BELL. |
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* @param key character to be checked |
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* @param afilter the filter to use |
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* @return true or false depending if the character is printable/valid or not |
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*/ |
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bool IsValidChar(WChar key, CharSetFilter afilter); |
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size_t Utf8Decode(WChar *c, const char *s); |
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size_t Utf8Encode(char *buf, WChar c); |
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static inline WChar Utf8Consume(const char **s) |
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{ |
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WChar c; |
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*s += Utf8Decode(&c, *s); |
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return c; |
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} |
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/** Return the length of a UTF-8 encoded character. |
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* @param c Unicode character. |
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* @return Length of UTF-8 encoding for character. |
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*/ |
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static inline size_t Utf8CharLen(WChar c) |
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{ |
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if (c < 0x80) return 1; |
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if (c < 0x800) return 2; |
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if (c < 0x10000) return 3; |
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if (c < 0x110000) return 4; |
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/* Invalid valid, we encode as a '?' */ |
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return 1; |
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} |
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/* Check if the given character is part of a UTF8 sequence */ |
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101 |
static inline bool IsUtf8Part(char c) |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
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changeset
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102 |
{ |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
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changeset
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103 |
return GB(c, 6, 2) == 2; |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
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changeset
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104 |
} |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
5101
diff
changeset
|
105 |
|
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
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changeset
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106 |
|
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
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changeset
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107 |
static inline bool IsPrintable(WChar c) |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
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changeset
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108 |
{ |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
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diff
changeset
|
109 |
if (c < 0x20) return false; |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
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changeset
|
110 |
if (c < 0xE000) return true; |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
5101
diff
changeset
|
111 |
if (c < 0xE200) return false; |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
parents:
5101
diff
changeset
|
112 |
return true; |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
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changeset
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113 |
} |
dc67d70b5a45
(svn r7182) -Feature: Merge utf8 branch. This brings us support for Unicode/UTF-8 and the option for fonts rendered by FreeType. Language changes to come.
peter1138
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changeset
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114 |
|
4200
a45420ba0c23
(svn r5684) - Codechange: create an strtolower() function that uses tolower() on a whole string and apply it in the places this was used.
Darkvater
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2775
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changeset
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115 |
|
2436
177cb6a8339f
(svn r2962) - const correctness for all Get* functions and most Draw* functions that don't change their pointer parameters
Darkvater
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116 |
#endif /* STRING_H */ |