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filters.h

/*
 * Copyright 2005 Timo Hirvonen
 */

#ifndef FILTERS_H
#define FILTERS_H

#include "list.h"
#include "window.h"
#include "search.h"
#include "uchar.h"

/* factivate foo !bar
 *
 * foo: FS_YES
 * bar: FS_NO
 * baz: FS_IGNORE
 */
enum {
      /* [ ] filter not selected */
      FS_IGNORE,
      /* [*] filter selected */
      FS_YES,
      /* [!] filter selected and inverted */
      FS_NO,
};

struct filter_entry {
      struct list_head node;

      char *name;
      char *filter;
      unsigned visited : 1;

      /* selected and activated status (FS_* enum) */
      unsigned sel_stat : 2;
      unsigned act_stat : 2;
};

static inline struct filter_entry *iter_to_filter_entry(struct iter *iter)
{
      return iter->data1;
}

extern struct window *filters_win;
extern struct searchable *filters_searchable;
extern struct list_head filters_head;

void filters_init(void);
void filters_exit(void);

/* parse filter and expand sub filters */
struct expr *parse_filter(const char *val);

/* add filter to filter list (replaces old filter with same name)
 *
 * @keyval  "name=value" where value is filter
 */
void filters_set_filter(const char *keyval);

/* set throwaway filter (not saved to the filter list)
 *
 * @val   filter or NULL to disable filtering
 */
void filters_set_anonymous(const char *val);

void filters_activate_names(const char *str);

void filters_activate(void);
void filters_toggle_filter(void);
void filters_delete_filter(void);

#endif

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