163 lines
3.2 KiB
C
163 lines
3.2 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 Blender Foundation
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Austin Benesh. Ton Roosendaal.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/imbuf/intern/metadata.c
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* \ingroup imbuf
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "BLI_blenlib.h"
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#include "MEM_guardedalloc.h"
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#include "IMB_imbuf_types.h"
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#include "IMB_imbuf.h"
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#include "IMB_metadata.h"
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void IMB_metadata_free(struct ImBuf* img)
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{
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ImMetaData *info;
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if (!img)
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return;
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if (!img->metadata) {
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return;
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}
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info = img->metadata;
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while (info) {
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ImMetaData* next = info->next;
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MEM_freeN(info->key);
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MEM_freeN(info->value);
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MEM_freeN(info);
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info = next;
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}
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}
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int IMB_metadata_get_field(struct ImBuf* img, const char* key, char* field, int len)
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{
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ImMetaData *info;
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int retval = 0;
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if (!img)
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return 0;
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if (!img->metadata) {
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return 0;
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}
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info = img->metadata;
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while (info) {
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if (strcmp(key, info->key) == 0) {
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BLI_strncpy(field, info->value, len);
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retval = 1;
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break;
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}
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info = info->next;
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}
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return retval;
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}
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int IMB_metadata_add_field(struct ImBuf* img, const char* key, const char* field)
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{
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ImMetaData *info;
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ImMetaData *last;
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if (!img)
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return 0;
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if (!img->metadata) {
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img->metadata = MEM_callocN(sizeof(ImMetaData), "ImMetaData");
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info = img->metadata;
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} else {
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info = img->metadata;
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last = info;
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while (info) {
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last = info;
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info = info->next;
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}
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info = MEM_callocN(sizeof(ImMetaData), "ImMetaData");
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last->next = info;
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}
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info->key = BLI_strdup(key);
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info->value = BLI_strdup(field);
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return 1;
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}
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int IMB_metadata_del_field(struct ImBuf *img, const char *key)
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{
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ImMetaData *p, *p1;
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if ((!img) || (!img->metadata))
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return (0);
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p = img->metadata;
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p1 = NULL;
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while (p) {
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if (!strcmp (key, p->key)) {
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if (p1)
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p1->next = p->next;
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else
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img->metadata = p->next;
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MEM_freeN(p->key);
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MEM_freeN(p->value);
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MEM_freeN(p);
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return (1);
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}
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p1 = p;
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p = p->next;
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}
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return (0);
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}
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int IMB_metadata_change_field(struct ImBuf *img, const char *key, const char *field)
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{
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ImMetaData *p;
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if (!img)
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return (0);
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if (!img->metadata)
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return (IMB_metadata_add_field (img, key, field));
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p = img->metadata;
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while (p) {
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if (!strcmp (key, p->key)) {
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MEM_freeN (p->value);
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p->value = BLI_strdup (field);
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return (1);
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}
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p = p->next;
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}
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return (IMB_metadata_add_field (img, key, field));
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}
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