1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "directories.h"
  7
  8#include "util/vfs.h"
  9
 10void GBADirectorySetInit(struct GBADirectorySet* dirs) {
 11	dirs->base = 0;
 12	dirs->archive = 0;
 13	dirs->save = 0;
 14	dirs->patch = 0;
 15	dirs->state = 0;
 16	dirs->screenshot = 0;
 17}
 18
 19void GBADirectorySetDeinit(struct GBADirectorySet* dirs) {
 20	GBADirectorySetDetachBase(dirs);
 21
 22	if (dirs->archive) {
 23		dirs->archive->close(dirs->archive);
 24		dirs->archive = 0;
 25	}
 26
 27	if (dirs->save) {
 28		dirs->save->close(dirs->save);
 29		dirs->save = 0;
 30	}
 31
 32	if (dirs->patch) {
 33		dirs->patch->close(dirs->patch);
 34		dirs->patch = 0;
 35	}
 36
 37	if (dirs->state) {
 38		dirs->state->close(dirs->state);
 39		dirs->state = 0;
 40	}
 41
 42	if (dirs->screenshot) {
 43		dirs->screenshot->close(dirs->screenshot);
 44		dirs->screenshot = 0;
 45	}
 46}
 47
 48void GBADirectorySetAttachBase(struct GBADirectorySet* dirs, struct VDir* base) {
 49	dirs->base = base;
 50	if (!dirs->save) {
 51		dirs->save = dirs->base;
 52	}
 53	if (!dirs->patch) {
 54		dirs->patch = dirs->base;
 55	}
 56	if (!dirs->state) {
 57		dirs->state = dirs->base;
 58	}
 59	if (!dirs->screenshot) {
 60		dirs->screenshot = dirs->base;
 61	}
 62}
 63
 64void GBADirectorySetDetachBase(struct GBADirectorySet* dirs) {
 65	if (dirs->save == dirs->base) {
 66		dirs->save = 0;
 67	}
 68	if (dirs->patch == dirs->base) {
 69		dirs->patch = 0;
 70	}
 71	if (dirs->state == dirs->base) {
 72		dirs->state = 0;
 73	}
 74	if (dirs->screenshot == dirs->base) {
 75		dirs->screenshot = 0;
 76	}
 77
 78	if (dirs->base) {
 79		dirs->base->close(dirs->base);
 80		dirs->base = 0;
 81	}
 82}
 83
 84struct VFile* GBADirectorySetOpenPath(struct GBADirectorySet* dirs, const char* path, bool (*filter)(struct VFile*)) {
 85	dirs->archive = VDirOpenArchive(path);
 86	struct VFile* file;
 87	if (dirs->archive) {
 88		file = VDirFindFirst(dirs->archive, filter);
 89		if (!file) {
 90			dirs->archive->close(dirs->archive);
 91			dirs->archive = 0;
 92		}
 93	} else {
 94		file = VFileOpen(path, O_RDONLY);
 95		if (file && !filter(file)) {
 96			file->close(file);
 97			file = 0;
 98		}
 99	}
100	return file;
101}