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ebdb3e3c30
This needs a slight change to the macro, because here we sort by value type. Yes, from a C-programming point of view this is horrible, however a decent compiler should just inline everything and not pass around value types. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "picture.h"
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#include "table.h"
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#include "subsurface-string.h"
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#include <stdlib.h>
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#include <string.h>
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static void free_picture(struct picture picture)
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{
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free(picture.filename);
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picture.filename = NULL;
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}
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static int comp_pictures(struct picture a, struct picture b)
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{
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if (a.offset.seconds < b.offset.seconds)
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return -1;
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if (a.offset.seconds > b.offset.seconds)
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return 1;
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return strcmp(a.filename ?: "", b.filename ?: "");
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}
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static bool picture_less_than(struct picture a, struct picture b)
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{
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return comp_pictures(a, b) < 0;
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}
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/* picture table functions */
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//static MAKE_GET_IDX(picture_table, struct picture, pictures)
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static MAKE_GROW_TABLE(picture_table, struct picture, pictures)
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static MAKE_GET_INSERTION_INDEX(picture_table, struct picture, pictures, picture_less_than)
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MAKE_ADD_TO(picture_table, struct picture, pictures)
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static MAKE_REMOVE_FROM(picture_table, pictures)
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MAKE_SORT(picture_table, struct picture, pictures, comp_pictures)
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//MAKE_REMOVE(picture_table, struct picture, picture)
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MAKE_CLEAR_TABLE(picture_table, pictures, picture)
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/* Add a clone of a picture to the end of a picture table.
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* Cloned means that the filename-string is copied. */
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static void add_cloned_picture(struct picture_table *t, struct picture pic)
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{
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pic.filename = copy_string(pic.filename);
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int idx = picture_table_get_insertion_index(t, pic);
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add_to_picture_table(t, idx, pic);
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}
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void copy_pictures(const struct picture_table *s, struct picture_table *d)
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{
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int i;
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clear_picture_table(d);
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for (i = 0; i < s->nr; i++)
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add_cloned_picture(d, s->pictures[i]);
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}
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void add_picture(struct picture_table *t, struct picture newpic)
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{
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int idx = picture_table_get_insertion_index(t, newpic);
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add_to_picture_table(t, idx, newpic);
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}
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int get_picture_idx(const struct picture_table *t, const char *filename)
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{
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for (int i = 0; i < t->nr; ++i) {
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if (same_string(t->pictures[i].filename, filename))
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return i;
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}
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return -1;
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}
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// Return true if picture was found and deleted
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bool remove_picture(struct picture_table *t, const char *filename)
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{
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int idx = get_picture_idx(t, filename);
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if (idx < 0)
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return false;
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remove_from_picture_table(t, idx);
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return true;
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}
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