1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/**
* vimb - a webkit based vim like browser.
*
* Copyright (C) 2012-2013 Daniel Carl
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
#include <stdio.h>
#include "ctype.h"
#include "util.h"
char *util_get_config_dir(void)
{
char *path = g_build_filename(g_get_user_config_dir(), "vimb", NULL);
util_create_dir_if_not_exists(path);
return path;
}
char *util_get_cache_dir(void)
{
char *path = g_build_filename(g_get_user_cache_dir(), "vimb", NULL);
util_create_dir_if_not_exists(path);
return path;
}
const char *util_get_home_dir(void)
{
const char *dir = g_getenv("HOME");
if (!dir) {
dir = g_get_home_dir();
}
return dir;
}
void util_create_dir_if_not_exists(const char *dirpath)
{
if (!g_file_test(dirpath, G_FILE_TEST_IS_DIR)) {
g_mkdir_with_parents(dirpath, 0755);
}
}
void util_create_file_if_not_exists(const char *filename)
{
if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
FILE *f = fopen(filename, "a");
fclose(f);
}
}
/**
* Retrieves the length bytes from given file.
*
* The memory of returned string have to be freed!
*/
char *util_get_file_contents(const char *filename, gsize *length)
{
GError *error = NULL;
char *content = NULL;
if (!(g_file_test(filename, G_FILE_TEST_IS_REGULAR)
&& g_file_get_contents(filename, &content, length, &error))
) {
fprintf(stderr, "Cannot open %s: %s\n", filename, error ? error->message : "file not found");
g_clear_error(&error);
}
return content;
}
/**
* Retrieves the file content as lines.
*
* The result have to be freed by g_strfreev().
*/
char **util_get_lines(const char *filename)
{
char *content = util_get_file_contents(filename, NULL);
char **lines = NULL;
if (content) {
/* split the file content into lines */
lines = g_strsplit(content, "\n", -1);
g_free(content);
}
return lines;
}
char *util_strcasestr(const char *haystack, const char *needle)
{
unsigned char c1, c2;
int i, j;
int nlen = strlen(needle);
int hlen = strlen(haystack) - nlen + 1;
for (i = 0; i < hlen; i++) {
for (j = 0; j < nlen; j++) {
c1 = haystack[i + j];
c2 = needle[j];
if (toupper(c1) != toupper(c2)) {
goto next;
}
}
return (char*)haystack + i;
next:
;
}
return NULL;
}
/**
* Checks if given printf style format string is valid. That means that it
* contains only one defined placeholder given as char.
*/
gboolean util_valid_format_string(const char *format, char type, unsigned int count)
{
unsigned int c;
for (c = 0; *format; format++) {
if (*format == '%') {
format++;
if (*format == type) {
c++;
}
}
}
return c == count;
}
/**
* Creates a temporary file with given content.
*
* Upon success, and if file is non-NULL, the actual file path used is
* returned in file. This string should be freed with g_free() when not
* needed any longer.
*/
gboolean util_create_tmp_file(const char *content, char **file)
{
int fp;
ssize_t bytes, len;
fp = g_file_open_tmp(PROJECT "-XXXXXX", file, NULL);
if (fp == -1) {
fprintf(stderr, "Could not create temporary file %s", *file);
g_free(*file);
return false;
}
len = strlen(content);
/* write content into temporary file */
bytes = write(fp, content, len);
if (bytes < len) {
close(fp);
unlink(*file);
fprintf(stderr, "Could not write temporary file %s", *file);
g_free(*file);
return false;
}
close(fp);
return true;
}
|
