| @@ -24,6 +24,7 @@ · 23 unmodified lines |
| 24 | #include "dict.h" | 24 | #include "dict.h" |
| 25 | #include "internal.h" | 25 | #include "internal.h" |
| 26 | #include "mem.h" | 26 | #include "mem.h" |
| | 27 | #include "bprint.h" |
| 27 | | 28 | |
| 28 | struct AVDictionary { | 29 | struct AVDictionary { |
| 29 | int count; | 30 | int count; |
| @@ -207,3 +208,92 @@ void av_dict_copy(AVDictionary **dst, FF_CONST_AVUTIL53 AVDictionary *src, int f · 177 unmodified lines |
| 207 | while ((t = av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX))) | 208 | while ((t = av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX))) |
| 208 | av_dict_set(dst, t->key, t->value, flags); | 209 | av_dict_set(dst, t->key, t->value, flags); |
| 209 | } | 210 | } |
| | 211 | |
| | 212 | int av_dict_get_string(const AVDictionary *m, char **buffer, |
| | 213 | const char key_val_sep, const char pairs_sep) |
| | 214 | { |
| | 215 | AVDictionaryEntry *t = NULL; |
| | 216 | AVBPrint bprint; |
| | 217 | int cnt = 0; |
| | 218 | char special_chars[] = {pairs_sep, key_val_sep, '\0'}; |
| | 219 | |
| | 220 | if (!buffer || pairs_sep == '\0' || key_val_sep == '\0' || pairs_sep == key_val_sep || |
| | 221 | pairs_sep == '\\' || key_val_sep == '\\') |
| | 222 | return AVERROR(EINVAL); |
| | 223 | |
| | 224 | if (!av_dict_count(m)) { |
| | 225 | *buffer = av_strdup(""); |
| | 226 | return *buffer ? 0 : AVERROR(ENOMEM); |
| | 227 | } |
| | 228 | |
| | 229 | av_bprint_init(&bprint, 64, AV_BPRINT_SIZE_UNLIMITED); |
| | 230 | while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX))) { |
| | 231 | if (cnt++) |
| | 232 | av_bprint_append_data(&bprint, &pairs_sep, 1); |
| | 233 | av_bprint_escape(&bprint, t->key, special_chars, AV_ESCAPE_MODE_BACKSLASH, 0); |
| | 234 | av_bprint_append_data(&bprint, &key_val_sep, 1); |
| | 235 | av_bprint_escape(&bprint, t->value, special_chars, AV_ESCAPE_MODE_BACKSLASH, 0); |
| | 236 | } |
| | 237 | return av_bprint_finalize(&bprint, buffer); |
| | 238 | } |
| | 239 | |
| | 240 | #ifdef TEST |
| | 241 | static void print_dict(const AVDictionary *m) |
| | 242 | { |
| | 243 | AVDictionaryEntry *t = NULL; |
| | 244 | while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX))) |
| | 245 | printf("%s %s ", t->key, t->value); |
| | 246 | printf("\n"); |
| | 247 | } |
| | 248 | |
| | 249 | static void test_separators(const AVDictionary *m, const char pair, const char val) |
| | 250 | { |
| | 251 | AVDictionary *dict = NULL; |
| | 252 | char pairs[] = {pair , '\0'}; |
| | 253 | char vals[] = {val, '\0'}; |
| | 254 | |
| | 255 | char *buffer = NULL; |
| | 256 | av_dict_copy(&dict, m, 0); |
| | 257 | print_dict(dict); |
| | 258 | av_dict_get_string(dict, &buffer, val, pair); |
| | 259 | printf("%s\n", buffer); |
| | 260 | av_dict_free(&dict); |
| | 261 | av_dict_parse_string(&dict, buffer, vals, pairs, 0); |
| | 262 | av_freep(&buffer); |
| | 263 | print_dict(dict); |
| | 264 | av_dict_free(&dict); |
| | 265 | } |
| | 266 | |
| | 267 | int main(void) |
| | 268 | { |
| | 269 | AVDictionary *dict = NULL; |
| | 270 | char *buffer = NULL; |
| | 271 | |
| | 272 | printf("Testing av_dict_get_string() and av_dict_parse_string()\n"); |
| | 273 | av_dict_get_string(dict, &buffer, '=', ','); |
| | 274 | printf("%s\n", buffer); |
| | 275 | av_freep(&buffer); |
| | 276 | av_dict_set(&dict, "aaa", "aaa", 0); |
| | 277 | av_dict_set(&dict, "b,b", "bbb", 0); |
| | 278 | av_dict_set(&dict, "c=c", "ccc", 0); |
| | 279 | av_dict_set(&dict, "ddd", "d,d", 0); |
| | 280 | av_dict_set(&dict, "eee", "e=e", 0); |
| | 281 | av_dict_set(&dict, "f,f", "f=f", 0); |
| | 282 | av_dict_set(&dict, "g=g", "g,g", 0); |
| | 283 | test_separators(dict, ',', '='); |
| | 284 | av_dict_free(&dict); |
| | 285 | av_dict_set(&dict, "aaa", "aaa", 0); |
| | 286 | av_dict_set(&dict, "bbb", "bbb", 0); |
| | 287 | av_dict_set(&dict, "ccc", "ccc", 0); |
| | 288 | av_dict_set(&dict, "\\,=\'\"", "\\,=\'\"", 0); |
| | 289 | test_separators(dict, '"', '='); |
| | 290 | test_separators(dict, '\'', '='); |
| | 291 | test_separators(dict, ',', '"'); |
| | 292 | test_separators(dict, ',', '\''); |
| | 293 | test_separators(dict, '\'', '"'); |
| | 294 | test_separators(dict, '"', '\''); |
| | 295 | av_dict_free(&dict); |
| | 296 | |
| | 297 | return 0; |
| | 298 | } |
| | 299 | #endif |