2 * utils.h - this file is part of Geany, a fast and lightweight IDE
4 * Copyright 2005-2012 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
5 * Copyright 2006-2012 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 * General utility functions, non-GTK related.
28 #define GEANY_UTILS_H 1
35 /** Returns @c TRUE if @a ptr is @c NULL or @c *ptr is @c FALSE. */
39 /** @deprecated 2013/08 - use @c !EMPTY() instead. */
40 #ifndef GEANY_DISABLE_DEPRECATED
41 #define NZV(ptr) (!EMPTY(ptr))
44 /** Assigns @a result to @a ptr, then frees the old value.
45 * @a result can be an expression using the 'old' value of @a ptr.
46 * E.g. @code SETPTR(str, g_strndup(str, 5)); @endcode
48 #define SETPTR(ptr, result) \
49 do setptr(ptr, result) while (0)
51 /** @deprecated 2011/11/15 - use SETPTR() instead. */
52 #define setptr(ptr, result) \
54 gpointer setptr_tmp = ptr;\
59 /** Duplicates a string on the stack using @c g_alloca().
60 * Like glibc's @c strdupa(), but portable.
61 * @note You must include @c string.h yourself.
62 * @warning Don't use excessively or for long strings otherwise there may be stack exhaustion -
63 * see the GLib docs for @c g_alloca(). */
64 #define utils_strdupa(str) \
65 strcpy(g_alloca(strlen(str) + 1), str)
67 /* Get a keyfile setting, using the home keyfile if the key exists,
68 * otherwise system keyfile. */
69 #define utils_get_setting(type, home, sys, group, key, default_val)\
70 (g_key_file_has_key(home, group, key, NULL)) ?\
71 utils_get_setting_##type(home, group, key, default_val) :\
72 utils_get_setting_##type(sys, group, key, default_val)
74 /* ignore the case of filenames and paths under WIN32, causes errors if not */
76 #define utils_filenamecmp(a, b) utils_str_casecmp((a), (b))
78 #define utils_filenamecmp(a, b) strcmp((a), (b))
82 /** Iterates all the items in @a array using pointers.
83 * @param item pointer to an item in @a array.
84 * @param array C array to traverse.
85 * @param len Length of the array. */
86 #define foreach_c_array(item, array, len) \
87 for (item = array; item < &array[len]; item++)
89 /** Iterates all items in @a array.
90 * @param type Type of @a item.
91 * @param item pointer to item in @a array.
92 * @param array @c GArray to traverse. */
93 #define foreach_array(type, item, array) \
94 foreach_c_array(item, ((type*)(gpointer)array->data), array->len)
96 /** Iterates all the pointers in @a ptr_array.
97 * @param item pointer in @a ptr_array.
98 * @param idx @c guint index into @a ptr_array.
99 * @param ptr_array @c GPtrArray to traverse. */
100 #define foreach_ptr_array(item, idx, ptr_array) \
101 for (idx = 0, item = ((ptr_array)->len > 0 ? g_ptr_array_index((ptr_array), 0) : NULL); \
102 idx < (ptr_array)->len; ++idx, item = g_ptr_array_index((ptr_array), idx))
104 /** Iterates all the nodes in @a list.
105 * @param node should be a (@c GList*).
106 * @param list @c GList to traverse. */
107 #define foreach_list(node, list) \
108 for (node = list; node != NULL; node = node->next)
110 /** Iterates all the nodes in @a list.
111 * @param node should be a (@c GSList*).
112 * @param list @c GSList to traverse. */
113 #define foreach_slist(node, list) \
114 foreach_list(node, list)
116 /** Iterates through each unsorted filename in a @c GDir.
117 * @param filename (@c const @c gchar*) locale-encoded filename, without path. Do not modify or free.
118 * @param dir @c GDir created with @c g_dir_open(). Call @c g_dir_close() afterwards.
119 * @see utils_get_file_list() if you want a sorted list.
120 * @since Geany 0.19. */
121 #define foreach_dir(filename, dir)\
122 for ((filename) = g_dir_read_name(dir); (filename) != NULL; (filename) = g_dir_read_name(dir))
124 /** Iterates through each character in @a string.
125 * @param char_ptr Pointer to character.
126 * @param string String to traverse.
127 * @warning Doesn't include null terminating character.
128 * @since Geany 0.19. */
129 #define foreach_str(char_ptr, string) \
130 for (char_ptr = string; *char_ptr; char_ptr++)
132 /** Iterates a null-terminated string vector.
133 * @param str_ptr @c gchar** pointer to string element.
134 * @param strv Can be @c NULL.
135 * @since Geany 0.20 */
136 #define foreach_strv(str_ptr, strv)\
137 if (!(strv)) {} else foreach_str(str_ptr, strv)
139 /** Iterates from 0 to @a size.
141 * @param size Number of iterations.
142 * @since Geany 0.20. */
143 #define foreach_range(i, size) \
144 for (i = 0; i < size; i++)
147 void utils_open_browser(const gchar
*uri
);
149 gint
utils_get_line_endings(const gchar
* buffer
, gsize size
);
151 gboolean
utils_isbrace(gchar c
, gboolean include_angles
);
153 gboolean
utils_is_opening_brace(gchar c
, gboolean include_angles
);
155 gint
utils_write_file(const gchar
*filename
, const gchar
*text
);
157 gchar
*utils_find_open_xml_tag(const gchar sel
[], gint size
);
159 const gchar
*utils_find_open_xml_tag_pos(const gchar sel
[], gint size
);
161 gboolean
utils_is_short_html_tag(const gchar
*tag_name
);
163 void utils_ensure_same_eol_characters(GString
*string
, gint target_eol_mode
);
165 const gchar
*utils_get_eol_char(gint eol_mode
);
167 const gchar
*utils_get_eol_name(gint eol_mode
);
169 gboolean
utils_atob(const gchar
*str
);
171 void utils_tidy_path(gchar
*filename
);
173 gboolean
utils_is_absolute_path(const gchar
*path
);
175 const gchar
*utils_path_skip_root(const gchar
*path
);
177 gdouble
utils_scale_round(gdouble val
, gdouble factor
);
179 gboolean
utils_str_equal(const gchar
*a
, const gchar
*b
);
181 gchar
*utils_remove_ext_from_filename(const gchar
*filename
);
183 gchar
utils_brace_opposite(gchar ch
);
185 gint
utils_string_find(GString
*haystack
, gint start
, gint end
, const gchar
*needle
);
187 gint
utils_string_replace(GString
*str
, gint pos
, gint len
, const gchar
*replace
);
189 guint
utils_string_replace_all(GString
*haystack
, const gchar
*needle
, const gchar
*replace
);
191 guint
utils_string_replace_first(GString
*haystack
, const gchar
*needle
, const gchar
*replace
);
193 guint
utils_string_regex_replace_all(GString
*haystack
, GRegex
*regex
,
194 guint match_num
, const gchar
*replace
, gboolean literal
);
196 void utils_str_replace_all(gchar
**haystack
, const gchar
*needle
, const gchar
*replacement
);
198 gint
utils_strpos(const gchar
* haystack
, const gchar
*needle
);
200 gchar
*utils_get_date_time(const gchar
*format
, time_t *time_to_use
);
202 gchar
*utils_get_initials(const gchar
*name
);
204 gboolean
utils_get_setting_boolean(GKeyFile
*config
, const gchar
*section
, const gchar
*key
, const gboolean default_value
);
206 gint
utils_get_setting_integer(GKeyFile
*config
, const gchar
*section
, const gchar
*key
, const gint default_value
);
208 gchar
*utils_get_setting_string(GKeyFile
*config
, const gchar
*section
, const gchar
*key
, const gchar
*default_value
);
210 gchar
*utils_get_hex_from_color(GdkColor
*color
);
212 const gchar
*utils_get_default_dir_utf8(void);
214 gchar
*utils_get_current_file_dir_utf8(void);
216 void utils_beep(void);
218 gchar
*utils_make_human_readable_str(guint64 size
, gulong block_size
,
219 gulong display_unit
);
221 gboolean
utils_parse_color(const gchar
*spec
, GdkColor
*color
);
223 gint
utils_color_to_bgr(const GdkColor
*color
);
225 gint
utils_parse_color_to_bgr(const gchar
*spec
);
227 gchar
*utils_get_current_time_string(void);
229 GIOChannel
*utils_set_up_io_channel(gint fd
, GIOCondition cond
, gboolean nblock
,
230 GIOFunc func
, gpointer data
);
232 gchar
**utils_read_file_in_array(const gchar
*filename
);
234 gboolean
utils_str_replace_escape(gchar
*string
, gboolean keep_backslash
);
236 gboolean
utils_wrap_string(gchar
*string
, gint wrapstart
);
238 gchar
*utils_get_locale_from_utf8(const gchar
*utf8_text
);
240 gchar
*utils_get_utf8_from_locale(const gchar
*locale_text
);
242 void utils_free_pointers(gsize arg_count
, ...) G_GNUC_NULL_TERMINATED
;
244 gchar
**utils_strv_new(const gchar
*first
, ...) G_GNUC_NULL_TERMINATED
;
246 gchar
**utils_strv_join(gchar
**first
, gchar
**second
) G_GNUC_WARN_UNUSED_RESULT
;
248 gint
utils_mkdir(const gchar
*path
, gboolean create_parent_dirs
);
250 GSList
*utils_get_file_list(const gchar
*path
, guint
*length
, GError
**error
);
252 GSList
*utils_get_file_list_full(const gchar
*path
, gboolean full_path
, gboolean sort
, GError
**error
);
254 GSList
*utils_get_config_files(const gchar
*subdir
);
256 gchar
*utils_get_help_url(const gchar
*suffix
);
258 gboolean
utils_str_has_upper(const gchar
*str
);
260 gint
utils_is_file_writable(const gchar
*locale_filename
);
263 gboolean
utils_spawn_sync(const gchar
*dir
, gchar
**argv
, gchar
**env
, GSpawnFlags flags
,
264 GSpawnChildSetupFunc child_setup
, gpointer user_data
, gchar
**std_out
,
265 gchar
**std_err
, gint
*exit_status
, GError
**error
);
267 gboolean
utils_spawn_async(const gchar
*dir
, gchar
**argv
, gchar
**env
, GSpawnFlags flags
,
268 GSpawnChildSetupFunc child_setup
, gpointer user_data
, GPid
*child_pid
,
271 gint
utils_str_casecmp(const gchar
*s1
, const gchar
*s2
);
273 gchar
*utils_get_path_from_uri(const gchar
*uri
);
275 gboolean
utils_is_uri(const gchar
*uri
);
277 gboolean
utils_is_remote_path(const gchar
*path
);
279 gchar
*utils_str_middle_truncate(const gchar
*string
, guint truncate_length
);
281 gchar
*utils_str_remove_chars(gchar
*string
, const gchar
*chars
);
283 gchar
**utils_copy_environment(const gchar
**exclude_vars
, const gchar
*first_varname
, ...) G_GNUC_NULL_TERMINATED
;
285 GDate
*utils_parse_date(const gchar
*input
);
287 gchar
*utils_parse_and_format_build_date(const gchar
*input
);