FFmpeg
dict.c
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1 /*
2  * copyright (c) 2009 Michael Niedermayer
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/dict.c"
22 
23 static void print_dict(const AVDictionary *m)
24 {
26  while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX)))
27  printf("%s %s ", t->key, t->value);
28  printf("\n");
29 }
30 
31 static void test_separators(const AVDictionary *m, const char pair, const char val)
32 {
33  AVDictionary *dict = NULL;
34  char pairs[] = {pair , '\0'};
35  char vals[] = {val, '\0'};
36 
37  char *buffer = NULL;
38  int ret;
39 
40  av_dict_copy(&dict, m, 0);
41  print_dict(dict);
42  av_dict_get_string(dict, &buffer, val, pair);
43  printf("%s\n", buffer);
44  av_dict_free(&dict);
45  ret = av_dict_parse_string(&dict, buffer, vals, pairs, 0);
46  printf("ret %d\n", ret);
47  av_freep(&buffer);
48  print_dict(dict);
49  av_dict_free(&dict);
50 }
51 
52 int main(void)
53 {
54  AVDictionary *dict = NULL;
56  char *buffer = NULL;
57 
58  printf("Testing av_dict_get_string() and av_dict_parse_string()\n");
59  av_dict_get_string(dict, &buffer, '=', ',');
60  printf("%s\n", buffer);
61  av_freep(&buffer);
62  av_dict_set(&dict, "aaa", "aaa", 0);
63  av_dict_set(&dict, "b,b", "bbb", 0);
64  av_dict_set(&dict, "c=c", "ccc", 0);
65  av_dict_set(&dict, "ddd", "d,d", 0);
66  av_dict_set(&dict, "eee", "e=e", 0);
67  av_dict_set(&dict, "f,f", "f=f", 0);
68  av_dict_set(&dict, "g=g", "g,g", 0);
69  test_separators(dict, ',', '=');
70  av_dict_free(&dict);
71  av_dict_set(&dict, "aaa", "aaa", 0);
72  av_dict_set(&dict, "bbb", "bbb", 0);
73  av_dict_set(&dict, "ccc", "ccc", 0);
74  av_dict_set(&dict, "\\,=\'\"", "\\,=\'\"", 0);
75  test_separators(dict, '"', '=');
76  test_separators(dict, '\'', '=');
77  test_separators(dict, ',', '"');
78  test_separators(dict, ',', '\'');
79  test_separators(dict, '\'', '"');
80  test_separators(dict, '"', '\'');
81  av_dict_free(&dict);
82 
83  printf("\nTesting av_dict_set()\n");
84  av_dict_set(&dict, "a", "a", 0);
88  av_dict_set(&dict, "e", "e", AV_DICT_DONT_OVERWRITE);
89  av_dict_set(&dict, "e", "f", AV_DICT_DONT_OVERWRITE);
90  av_dict_set(&dict, "f", "f", 0);
91  av_dict_set(&dict, "f", NULL, 0);
92  av_dict_set(&dict, "ff", "f", 0);
93  av_dict_set(&dict, "ff", "f", AV_DICT_APPEND);
94  e = NULL;
95  while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)))
96  printf("%s %s\n", e->key, e->value);
97  av_dict_free(&dict);
98 
99  av_dict_set(&dict, NULL, "a", 0);
100  av_dict_set(&dict, NULL, "b", 0);
101  av_dict_get(dict, NULL, NULL, 0);
102  e = NULL;
103  while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)))
104  printf("'%s' '%s'\n", e->key, e->value);
105  av_dict_free(&dict);
106 
107 
108  //valgrind sensible test
109  printf("\nTesting av_dict_set_int()\n");
113  av_dict_set_int(&dict, "4", 4, 0);
114  av_dict_set_int(&dict, "5", 5, AV_DICT_DONT_OVERWRITE);
115  av_dict_set_int(&dict, "5", 6, AV_DICT_DONT_OVERWRITE);
116  av_dict_set_int(&dict, "12", 1, 0);
117  av_dict_set_int(&dict, "12", 2, AV_DICT_APPEND);
118  e = NULL;
119  while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)))
120  printf("%s %s\n", e->key, e->value);
121  av_dict_free(&dict);
122 
123  //valgrind sensible test
124  printf("\nTesting av_dict_set() with existing AVDictionaryEntry.key as key\n");
125  av_dict_set(&dict, "key", "old", 0);
126  e = av_dict_get(dict, "key", NULL, 0);
127  av_dict_set(&dict, e->key, "new val OK", 0);
128  e = av_dict_get(dict, "key", NULL, 0);
129  printf("%s\n", e->value);
130  av_dict_set(&dict, e->key, e->value, 0);
131  e = av_dict_get(dict, "key", NULL, 0);
132  printf("%s\n", e->value);
133  av_dict_free(&dict);
134 
135  return 0;
136 }
#define NULL
Definition: coverity.c:32
const char const char void * val
Definition: avisynth_c.h:863
int main(void)
Definition: dict.c:52
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
Definition: dict.h:79
int av_dict_get_string(const AVDictionary *m, char **buffer, const char key_val_sep, const char pairs_sep)
Get dictionary entries as a string.
Definition: dict.c:230
int av_dict_copy(AVDictionary **dst, const AVDictionary *src, int flags)
Copy entries from one AVDictionary struct into another.
Definition: dict.c:217
#define AV_DICT_DONT_STRDUP_KEY
Take ownership of a key that's been allocated with av_malloc() or another memory allocation function...
Definition: dict.h:73
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
#define AV_DICT_DONT_STRDUP_VAL
Take ownership of a value that's been allocated with av_malloc() or another memory allocation functio...
Definition: dict.h:76
#define AV_DICT_APPEND
If the entry already exists, append to it.
Definition: dict.h:80
static void test_separators(const AVDictionary *m, const char pair, const char val)
Definition: dict.c:31
int av_dict_parse_string(AVDictionary **pm, const char *str, const char *key_val_sep, const char *pairs_sep, int flags)
Parse the key/value pairs list and add the parsed entries to a dictionary.
Definition: dict.c:180
static void print_dict(const AVDictionary *m)
Definition: dict.c:23
char * av_strdup(const char *s)
Duplicate a string.
Definition: mem.c:251
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
Definition: dict.c:70
int av_dict_set_int(AVDictionary **pm, const char *key, int64_t value, int flags)
Convenience wrapper for av_dict_set that converts the value to a string and stores it...
Definition: dict.c:147
char * key
Definition: dict.h:86
char * value
Definition: dict.h:87
printf("static const uint8_t my_array[100] = {\n")
#define av_freep(p)
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:70
GLuint buffer
Definition: opengl_enc.c:101