mirror of
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119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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*
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* Some code herein may be based on code found in BSNES.
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*
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* SSNES is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with SSNES.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "list.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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struct sgui_file
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{
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char *path;
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sgui_file_type_t type;
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};
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struct sgui_list
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{
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struct sgui_file *list;
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size_t capacity;
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size_t ptr;
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};
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sgui_list_t *sgui_list_new(void)
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{
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return (sgui_list_t*)calloc(1, sizeof(sgui_list_t));
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}
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bool sgui_list_empty(const sgui_list_t *list)
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{
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return list->ptr == 0;
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}
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void sgui_list_push(sgui_list_t *list, const char *path, sgui_file_type_t type)
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{
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if (list->ptr >= list->capacity)
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{
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list->capacity++;
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list->capacity *= 2;
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list->list = (struct sgui_file*)realloc(list->list, list->capacity * sizeof(struct sgui_file));
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}
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list->list[list->ptr].path = strdup(path);
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list->list[list->ptr].type = type;
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list->ptr++;
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}
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void sgui_list_pop(sgui_list_t *list)
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{
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if (!sgui_list_empty(list))
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free(list->list[--list->ptr].path);
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}
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void sgui_list_free(sgui_list_t *list)
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{
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for (size_t i = 0; i < list->ptr; i++)
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free(list->list[i].path);
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free(list->list);
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free(list);
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}
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void sgui_list_clear(sgui_list_t *list)
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{
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for (size_t i = 0; i < list->ptr; i++)
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free(list->list[i].path);
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list->ptr = 0;
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}
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void sgui_list_back(const sgui_list_t *list,
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const char **path, sgui_file_type_t *file_type)
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{
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if (sgui_list_size(list) > 0)
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sgui_list_at(list, sgui_list_size(list) - 1, path, file_type);
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}
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size_t sgui_list_size(const sgui_list_t *list)
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{
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return list->ptr;
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}
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void sgui_list_at(const sgui_list_t *list, size_t index,
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const char **path, sgui_file_type_t *file_type)
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{
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if (path)
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*path = list->list[index].path;
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if (file_type)
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*file_type = list->list[index].type;
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}
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static int list_comp(const void *a_, const void *b_)
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{
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const struct sgui_file *a = (const struct sgui_file*)a_;
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const struct sgui_file *b = (const struct sgui_file*)b_;
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if (a->type != b->type)
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return a->type == SGUI_FILE_DIRECTORY ? -1 : 1;
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return strcmp(a->path, b->path);
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}
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void sgui_list_sort(sgui_list_t *list)
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{
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qsort(list->list, list->ptr, sizeof(struct sgui_file), list_comp);
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}
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