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1 /* GLIB - Library of useful routines for C programming
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 /*
21 * Modified by the GLib Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
25 */
26
27 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
28 #error "Only <glib.h> can be included directly."
29 #endif
30
31 #ifndef __G_STRFUNCS_H__
32 #define __G_STRFUNCS_H__
33
34 #include <stdarg.h>
35 #include <glib/gtypes.h>
36
37 G_BEGIN_DECLS
38
39 /* Functions like the ones in <ctype.h> that are not affected by locale. */
40 typedef enum {
41 G_ASCII_ALNUM = 1 << 0,
42 G_ASCII_ALPHA = 1 << 1,
43 G_ASCII_CNTRL = 1 << 2,
44 G_ASCII_DIGIT = 1 << 3,
45 G_ASCII_GRAPH = 1 << 4,
46 G_ASCII_LOWER = 1 << 5,
47 G_ASCII_PRINT = 1 << 6,
48 G_ASCII_PUNCT = 1 << 7,
49 G_ASCII_SPACE = 1 << 8,
50 G_ASCII_UPPER = 1 << 9,
51 G_ASCII_XDIGIT = 1 << 10
52 } GAsciiType;
53
54 GLIB_VAR const guint16 * const g_ascii_table;
55
56 #define g_ascii_isalnum(c) \
57 ((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0)
58
59 #define g_ascii_isalpha(c) \
60 ((g_ascii_table[(guchar) (c)] & G_ASCII_ALPHA) != 0)
61
62 #define g_ascii_iscntrl(c) \
63 ((g_ascii_table[(guchar) (c)] & G_ASCII_CNTRL) != 0)
64
65 #define g_ascii_isdigit(c) \
66 ((g_ascii_table[(guchar) (c)] & G_ASCII_DIGIT) != 0)
67
68 #define g_ascii_isgraph(c) \
69 ((g_ascii_table[(guchar) (c)] & G_ASCII_GRAPH) != 0)
70
71 #define g_ascii_islower(c) \
72 ((g_ascii_table[(guchar) (c)] & G_ASCII_LOWER) != 0)
73
74 #define g_ascii_isprint(c) \
75 ((g_ascii_table[(guchar) (c)] & G_ASCII_PRINT) != 0)
76
77 #define g_ascii_ispunct(c) \
78 ((g_ascii_table[(guchar) (c)] & G_ASCII_PUNCT) != 0)
79
80 #define g_ascii_isspace(c) \
81 ((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0)
82
83 #define g_ascii_isupper(c) \
84 ((g_ascii_table[(guchar) (c)] & G_ASCII_UPPER) != 0)
85
86 #define g_ascii_isxdigit(c) \
87 ((g_ascii_table[(guchar) (c)] & G_ASCII_XDIGIT) != 0)
88
89 gchar g_ascii_tolower (gchar c) G_GNUC_CONST;
90 gchar g_ascii_toupper (gchar c) G_GNUC_CONST;
91
92 gint g_ascii_digit_value (gchar c) G_GNUC_CONST;
93 gint g_ascii_xdigit_value (gchar c) G_GNUC_CONST;
94
95 /* String utility functions that modify a string argument or
96 * return a constant string that must not be freed.
97 */
98 #define G_STR_DELIMITERS "_-|> <."
99 gchar* g_strdelimit (gchar *string,
100 const gchar *delimiters,
101 gchar new_delimiter);
102 gchar* g_strcanon (gchar *string,
103 const gchar *valid_chars,
104 gchar substitutor);
105 G_CONST_RETURN gchar* g_strerror (gint errnum) G_GNUC_CONST;
106 G_CONST_RETURN gchar* g_strsignal (gint signum) G_GNUC_CONST;
107 gchar* g_strreverse (gchar *string);
108 gsize g_strlcpy (gchar *dest,
109 const gchar *src,
110 gsize dest_size);
111 gsize g_strlcat (gchar *dest,
112 const gchar *src,
113 gsize dest_size);
114 gchar * g_strstr_len (const gchar *haystack,
115 gssize haystack_len,
116 const gchar *needle);
117 gchar * g_strrstr (const gchar *haystack,
118 const gchar *needle);
119 gchar * g_strrstr_len (const gchar *haystack,
120 gssize haystack_len,
121 const gchar *needle);
122
123 gboolean g_str_has_suffix (const gchar *str,
124 const gchar *suffix);
125 gboolean g_str_has_prefix (const gchar *str,
126 const gchar *prefix);
127
128 /* String to/from double conversion functions */
129
130 gdouble g_strtod (const gchar *nptr,
131 gchar **endptr);
132 gdouble g_ascii_strtod (const gchar *nptr,
133 gchar **endptr);
134 guint64 g_ascii_strtoull (const gchar *nptr,
135 gchar **endptr,
136 guint base);
137 gint64 g_ascii_strtoll (const gchar *nptr,
138 gchar **endptr,
139 guint base);
140 /* 29 bytes should enough for all possible values that
141 * g_ascii_dtostr can produce.
142 * Then add 10 for good measure */
143 #define G_ASCII_DTOSTR_BUF_SIZE (29 + 10)
144 gchar * g_ascii_dtostr (gchar *buffer,
145 gint buf_len,
146 gdouble d);
147 gchar * g_ascii_formatd (gchar *buffer,
148 gint buf_len,
149 const gchar *format,
150 gdouble d);
151
152 /* removes leading spaces */
153 gchar* g_strchug (gchar *string);
154 /* removes trailing spaces */
155 gchar* g_strchomp (gchar *string);
156 /* removes leading & trailing spaces */
157 #define g_strstrip( string ) g_strchomp (g_strchug (string))
158
159 gint g_ascii_strcasecmp (const gchar *s1,
160 const gchar *s2);
161 gint g_ascii_strncasecmp (const gchar *s1,
162 const gchar *s2,
163 gsize n);
164 gchar* g_ascii_strdown (const gchar *str,
165 gssize len) G_GNUC_MALLOC;
166 gchar* g_ascii_strup (const gchar *str,
167 gssize len) G_GNUC_MALLOC;
168
169 #ifndef G_DISABLE_DEPRECATED
170
171 /* The following four functions are deprecated and will be removed in
172 * the next major release. They use the locale-specific tolower and
173 * toupper, which is almost never the right thing.
174 */
175
176 gint g_strcasecmp (const gchar *s1,
177 const gchar *s2);
178 gint g_strncasecmp (const gchar *s1,
179 const gchar *s2,
180 guint n);
181 gchar* g_strdown (gchar *string);
182 gchar* g_strup (gchar *string);
183
184 #endif /* G_DISABLE_DEPRECATED */
185
186 /* String utility functions that return a newly allocated string which
187 * ought to be freed with g_free from the caller at some point.
188 */
189 gchar* g_strdup (const gchar *str) G_GNUC_MALLOC;
190 gchar* g_strdup_printf (const gchar *format,
191 ...) G_GNUC_PRINTF (1, 2) G_GNUC_MALLOC;
192 gchar* g_strdup_vprintf (const gchar *format,
193 va_list args) G_GNUC_MALLOC;
194 gchar* g_strndup (const gchar *str,
195 gsize n) G_GNUC_MALLOC;
196 gchar* g_strnfill (gsize length,
197 gchar fill_char) G_GNUC_MALLOC;
198 gchar* g_strconcat (const gchar *string1,
199 ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;
200 gchar* g_strjoin (const gchar *separator,
201 ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;
202
203 /* Make a copy of a string interpreting C string -style escape
204 * sequences. Inverse of g_strescape. The recognized sequences are \b
205 * \f \n \r \t \\ \" and the octal format.
206 */
207 gchar* g_strcompress (const gchar *source) G_GNUC_MALLOC;
208
209 /* Copy a string escaping nonprintable characters like in C strings.
210 * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points
211 * to a string containing characters that are not to be escaped.
212 *
213 * Deprecated API: gchar* g_strescape (const gchar *source);
214 * Luckily this function wasn't used much, using NULL as second parameter
215 * provides mostly identical semantics.
216 */
217 gchar* g_strescape (const gchar *source,
218 const gchar *exceptions) G_GNUC_MALLOC;
219
220 gpointer g_memdup (gconstpointer mem,
221 guint byte_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(2);
222
223 /* NULL terminated string arrays.
224 * g_strsplit(), g_strsplit_set() split up string into max_tokens tokens
225 * at delim and return a newly allocated string array.
226 * g_strjoinv() concatenates all of str_array's strings, sliding in an
227 * optional separator, the returned string is newly allocated.
228 * g_strfreev() frees the array itself and all of its strings.
229 * g_strdupv() copies a NULL-terminated array of strings
230 * g_strv_length() returns the length of a NULL-terminated array of strings
231 */
232 gchar** g_strsplit (const gchar *string,
233 const gchar *delimiter,
234 gint max_tokens) G_GNUC_MALLOC;
235 gchar ** g_strsplit_set (const gchar *string,
236 const gchar *delimiters,
237 gint max_tokens) G_GNUC_MALLOC;
238 gchar* g_strjoinv (const gchar *separator,
239 gchar **str_array) G_GNUC_MALLOC;
240 void g_strfreev (gchar **str_array);
241 gchar** g_strdupv (gchar **str_array) G_GNUC_MALLOC;
242 guint g_strv_length (gchar **str_array);
243
244 gchar* g_stpcpy (gchar *dest,
245 const char *src);
246
247 G_CONST_RETURN gchar *g_strip_context (const gchar *msgid,
248 const gchar *msgval) G_GNUC_FORMAT(1);
249
250 G_CONST_RETURN gchar *g_dgettext (const gchar *domain,
251 const gchar *msgid) G_GNUC_FORMAT(2);
252
253 G_CONST_RETURN gchar *g_dngettext (const gchar *domain,
254 const gchar *msgid,
255 const gchar *msgid_plural,
256 gulong n) G_GNUC_FORMAT(3);
257 G_CONST_RETURN gchar *g_dpgettext (const gchar *domain,
258 const gchar *msgctxtid,
259 gsize msgidoffset) G_GNUC_FORMAT(2);
260 G_CONST_RETURN gchar *g_dpgettext2 (const gchar *domain,
261 const gchar *context,
262 const gchar *msgid) G_GNUC_FORMAT(3);
263
264 G_END_DECLS
265
266 #endif /* __G_STRFUNCS_H__ */

   
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