2009-03-13 18:43:16 +01:00
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/*
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2010-01-01 05:55:13 +01:00
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* Copyright (C) 2003-2010 The Music Player Daemon Project
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2009-03-13 18:43:16 +01:00
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* http://www.musicpd.org
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2008-10-09 15:23:37 +02:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2009-03-13 18:43:16 +01:00
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2008-10-09 15:23:37 +02:00
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2008-10-09 15:23:37 +02:00
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#include "directory_save.h"
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#include "directory.h"
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#include "song.h"
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2009-11-01 15:37:16 +01:00
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#include "text_file.h"
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2008-10-09 15:23:37 +02:00
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#include "song_save.h"
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2008-12-29 17:28:32 +01:00
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#include <assert.h>
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#include <string.h>
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2009-02-28 14:02:00 +01:00
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#define DIRECTORY_MTIME "mtime: "
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2009-02-27 19:30:16 +01:00
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#define DIRECTORY_BEGIN "begin: "
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#define DIRECTORY_END "end: "
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2009-03-02 15:42:42 +01:00
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/**
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* The quark used for GError.domain.
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*/
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static inline GQuark
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directory_quark(void)
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{
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return g_quark_from_static_string("directory");
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}
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2009-11-07 16:20:07 +01:00
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void
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2008-10-09 15:23:37 +02:00
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directory_save(FILE *fp, struct directory *directory)
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{
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struct dirvec *children = &directory->children;
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size_t i;
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2009-01-04 19:08:52 +01:00
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if (!directory_is_root(directory)) {
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2009-02-28 14:02:00 +01:00
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fprintf(fp, DIRECTORY_MTIME "%lu\n",
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(unsigned long)directory->mtime);
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2009-11-07 16:20:07 +01:00
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fprintf(fp, "%s%s\n", DIRECTORY_BEGIN,
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directory_get_path(directory));
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2008-10-09 15:23:37 +02:00
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}
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for (i = 0; i < children->nr; ++i) {
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struct directory *cur = children->base[i];
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2008-10-20 22:18:12 +02:00
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char *base = g_path_get_basename(cur->path);
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2008-10-09 15:23:37 +02:00
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2009-11-07 16:20:07 +01:00
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fprintf(fp, DIRECTORY_DIR "%s\n", base);
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2008-10-20 22:18:12 +02:00
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g_free(base);
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2009-11-07 16:20:07 +01:00
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directory_save(fp, cur);
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if (ferror(fp))
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return;
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2008-10-09 15:23:37 +02:00
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}
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songvec_save(fp, &directory->songs);
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2009-11-07 16:20:07 +01:00
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if (!directory_is_root(directory))
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fprintf(fp, DIRECTORY_END "%s\n",
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directory_get_path(directory));
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2008-10-09 15:23:37 +02:00
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}
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2009-11-01 15:34:12 +01:00
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static struct directory *
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directory_load_subdir(FILE *fp, struct directory *parent, const char *name,
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2009-11-01 15:37:16 +01:00
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GString *buffer, GError **error_r)
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2009-11-01 15:34:12 +01:00
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{
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struct directory *directory;
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2009-11-01 15:37:16 +01:00
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const char *line;
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2009-11-01 15:34:12 +01:00
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bool success;
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2009-11-01 15:34:13 +01:00
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if (directory_get_child(parent, name) != NULL) {
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g_set_error(error_r, directory_quark(), 0,
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"Duplicate subdirectory '%s'", name);
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return NULL;
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}
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2009-11-01 15:34:14 +01:00
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if (directory_is_root(parent)) {
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directory = directory_new(name, parent);
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} else {
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char *path = g_strconcat(directory_get_path(parent), "/",
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name, NULL);
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directory = directory_new(path, parent);
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g_free(path);
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}
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2009-11-01 15:37:16 +01:00
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line = read_text_line(fp, buffer);
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if (line == NULL) {
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2009-11-01 15:34:12 +01:00
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g_set_error(error_r, directory_quark(), 0,
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"Unexpected end of file");
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2009-11-01 15:34:14 +01:00
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directory_free(directory);
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2009-11-01 15:34:12 +01:00
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return NULL;
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}
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2009-11-01 15:37:16 +01:00
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if (g_str_has_prefix(line, DIRECTORY_MTIME)) {
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2009-11-01 15:34:14 +01:00
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directory->mtime =
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2009-11-01 15:37:16 +01:00
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g_ascii_strtoull(line + sizeof(DIRECTORY_MTIME) - 1,
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2009-11-01 15:34:12 +01:00
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NULL, 10);
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2009-11-01 15:37:16 +01:00
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line = read_text_line(fp, buffer);
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if (line == NULL) {
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2009-11-01 15:34:12 +01:00
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g_set_error(error_r, directory_quark(), 0,
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"Unexpected end of file");
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2009-11-01 15:34:14 +01:00
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directory_free(directory);
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2009-11-01 15:34:12 +01:00
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return NULL;
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}
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}
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2009-11-01 17:49:49 +01:00
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if (!g_str_has_prefix(line, DIRECTORY_BEGIN)) {
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2009-11-01 15:34:12 +01:00
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g_set_error(error_r, directory_quark(), 0,
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2009-11-01 15:37:16 +01:00
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"Malformed line: %s", line);
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2009-11-01 15:34:14 +01:00
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directory_free(directory);
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2009-11-01 15:34:12 +01:00
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return NULL;
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}
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2009-11-01 15:37:16 +01:00
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success = directory_load(fp, directory, buffer, error_r);
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2009-11-01 15:34:13 +01:00
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if (!success) {
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directory_free(directory);
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2009-11-01 15:34:12 +01:00
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return NULL;
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2009-11-01 15:34:13 +01:00
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}
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2009-11-01 15:34:12 +01:00
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return directory;
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}
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2009-03-02 15:42:42 +01:00
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bool
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2009-11-01 15:37:16 +01:00
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directory_load(FILE *fp, struct directory *directory,
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GString *buffer, GError **error)
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2008-10-09 15:23:37 +02:00
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{
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2009-11-01 15:37:16 +01:00
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const char *line;
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2008-10-09 15:23:37 +02:00
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2009-11-01 15:37:16 +01:00
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while ((line = read_text_line(fp, buffer)) != NULL &&
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2009-11-01 17:49:49 +01:00
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!g_str_has_prefix(line, DIRECTORY_END)) {
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2009-11-01 15:37:16 +01:00
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if (g_str_has_prefix(line, DIRECTORY_DIR)) {
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2009-11-01 15:34:12 +01:00
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struct directory *subdir =
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directory_load_subdir(fp, directory,
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2009-11-01 15:37:16 +01:00
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line + sizeof(DIRECTORY_DIR) - 1,
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buffer, error);
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2009-11-01 15:34:12 +01:00
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if (subdir == NULL)
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2009-03-02 15:42:42 +01:00
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return false;
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2009-11-01 15:34:13 +01:00
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dirvec_add(&directory->children, subdir);
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2009-11-01 17:51:29 +01:00
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} else if (g_str_has_prefix(line, SONG_BEGIN)) {
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const char *name = line + sizeof(SONG_BEGIN) - 1;
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struct song *song;
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if (songvec_find(&directory->songs, name) != NULL) {
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g_set_error(error, directory_quark(), 0,
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"Duplicate song '%s'", name);
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return NULL;
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}
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song = song_load(fp, directory, name,
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buffer, error);
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if (song == NULL)
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2009-07-05 08:29:52 +02:00
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return false;
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2009-11-01 17:51:29 +01:00
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songvec_add(&directory->songs, song);
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2008-10-09 15:23:37 +02:00
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} else {
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2009-03-02 15:42:42 +01:00
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g_set_error(error, directory_quark(), 0,
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2009-11-01 15:37:16 +01:00
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"Malformed line: %s", line);
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2009-03-02 15:42:42 +01:00
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return false;
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2008-10-09 15:23:37 +02:00
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}
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}
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2009-03-02 15:42:42 +01:00
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return true;
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2008-10-09 15:23:37 +02:00
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}
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