diff options
Diffstat (limited to 'ffmpeg/libavutil/dict.c')
| -rw-r--r-- | ffmpeg/libavutil/dict.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/ffmpeg/libavutil/dict.c b/ffmpeg/libavutil/dict.c deleted file mode 100644 index 3a0e84c..0000000 --- a/ffmpeg/libavutil/dict.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * copyright (c) 2009 Michael Niedermayer - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <string.h> - -#include "avstring.h" -#include "dict.h" -#include "internal.h" -#include "mem.h" - -struct AVDictionary { - int count; - AVDictionaryEntry *elems; -}; - -int av_dict_count(const AVDictionary *m) -{ - return m ? m->count : 0; -} - -AVDictionaryEntry * -av_dict_get(AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags) -{ - unsigned int i, j; - - if(!m) - return NULL; - - if(prev) i= prev - m->elems + 1; - else i= 0; - - for(; i<m->count; i++){ - const char *s= m->elems[i].key; - if(flags & AV_DICT_MATCH_CASE) for(j=0; s[j] == key[j] && key[j]; j++); - else for(j=0; av_toupper(s[j]) == av_toupper(key[j]) && key[j]; j++); - if(key[j]) - continue; - if(s[j] && !(flags & AV_DICT_IGNORE_SUFFIX)) - continue; - return &m->elems[i]; - } - return NULL; -} - -int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags) -{ - AVDictionary *m = *pm; - AVDictionaryEntry *tag = av_dict_get(m, key, NULL, flags); - char *oldval = NULL; - - if(!m) - m = *pm = av_mallocz(sizeof(*m)); - - if(tag) { - if (flags & AV_DICT_DONT_OVERWRITE) - return 0; - if (flags & AV_DICT_APPEND) - oldval = tag->value; - else - av_free(tag->value); - av_free(tag->key); - *tag = m->elems[--m->count]; - } else { - AVDictionaryEntry *tmp = av_realloc(m->elems, (m->count+1) * sizeof(*m->elems)); - if(tmp) { - m->elems = tmp; - } else - return AVERROR(ENOMEM); - } - if (value) { - if (flags & AV_DICT_DONT_STRDUP_KEY) { - m->elems[m->count].key = (char*)(intptr_t)key; - } else - m->elems[m->count].key = av_strdup(key); - if (flags & AV_DICT_DONT_STRDUP_VAL) { - m->elems[m->count].value = (char*)(intptr_t)value; - } else if (oldval && flags & AV_DICT_APPEND) { - int len = strlen(oldval) + strlen(value) + 1; - char *newval = av_mallocz(len); - if (!newval) - return AVERROR(ENOMEM); - av_strlcat(newval, oldval, len); - av_freep(&oldval); - av_strlcat(newval, value, len); - m->elems[m->count].value = newval; - } else - m->elems[m->count].value = av_strdup(value); - m->count++; - } - if (!m->count) { - av_free(m->elems); - av_freep(pm); - } - - return 0; -} - -static int parse_key_value_pair(AVDictionary **pm, const char **buf, - const char *key_val_sep, const char *pairs_sep, - int flags) -{ - char *key = av_get_token(buf, key_val_sep); - char *val = NULL; - int ret; - - if (key && *key && strspn(*buf, key_val_sep)) { - (*buf)++; - val = av_get_token(buf, pairs_sep); - } - - if (key && *key && val && *val) - ret = av_dict_set(pm, key, val, flags); - else - ret = AVERROR(EINVAL); - - av_freep(&key); - av_freep(&val); - - return ret; -} - -int av_dict_parse_string(AVDictionary **pm, const char *str, - const char *key_val_sep, const char *pairs_sep, - int flags) -{ - int ret; - - if (!str) - return 0; - - /* ignore STRDUP flags */ - flags &= ~(AV_DICT_DONT_STRDUP_KEY | AV_DICT_DONT_STRDUP_VAL); - - while (*str) { - if ((ret = parse_key_value_pair(pm, &str, key_val_sep, pairs_sep, flags)) < 0) - return ret; - - if (*str) - str++; - } - - return 0; -} - -void av_dict_free(AVDictionary **pm) -{ - AVDictionary *m = *pm; - - if (m) { - while(m->count--) { - av_free(m->elems[m->count].key); - av_free(m->elems[m->count].value); - } - av_free(m->elems); - } - av_freep(pm); -} - -void av_dict_copy(AVDictionary **dst, AVDictionary *src, int flags) -{ - AVDictionaryEntry *t = NULL; - - while ((t = av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX))) - av_dict_set(dst, t->key, t->value, flags); -} |