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// SPDX-License-Identifier: GPL-2.0
// Dive tag related structures and helpers
#ifndef TAG_H
#define TAG_H
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
struct divetag {
/*
* The name of the divetag. If a translation is available, name contains
* the translated tag
*/
char *name;
/*
* If a translation is available, we write the original tag to source.
* This enables us to write a non-localized tag to the xml file.
*/
char *source;
};
struct tag_entry {
struct divetag *tag;
struct tag_entry *next;
};
/*
* divetags are only stored once, each dive only contains
* a list of tag_entries which then point to the divetags
* in the global g_tag_list
*/
extern struct tag_entry *g_tag_list;
struct divetag *taglist_add_tag(struct tag_entry **tag_list, const char *tag);
struct tag_entry *taglist_added(struct tag_entry *original_list, struct tag_entry *new_list);
/*
* Writes all divetags form tag_list into internally allocated buffer
* Function returns pointer to allocated buffer
* Buffer contains comma separated list of tags names or null terminated string
*
* NOTE! The returned buffer must be freed once used.
*/
char *taglist_get_tagstring(struct tag_entry *tag_list);
/* cleans up a list: removes empty tags and duplicates */
void taglist_cleanup(struct tag_entry **tag_list);
void taglist_init_global();
void taglist_free(struct tag_entry *tag_list);
struct tag_entry *taglist_copy(struct tag_entry *s);
bool taglist_contains(struct tag_entry *tag_list, const char *tag);
void taglist_merge(struct tag_entry **dst, struct tag_entry *src1, struct tag_entry *src2);
#ifdef __cplusplus
}
#endif
#endif
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