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-rw-r--r--src/playlist_database.c76
-rw-r--r--src/playlist_database.h40
-rw-r--r--src/playlist_vector.c120
-rw-r--r--src/playlist_vector.h68
4 files changed, 304 insertions, 0 deletions
diff --git a/src/playlist_database.c b/src/playlist_database.c
new file mode 100644
index 000000000..f74406277
--- /dev/null
+++ b/src/playlist_database.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "playlist_database.h"
+#include "playlist_vector.h"
+#include "text_file.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+static GQuark
+playlist_database_quark(void)
+{
+ return g_quark_from_static_string("playlist_database");
+}
+
+void
+playlist_vector_save(FILE *fp, const struct playlist_vector *pv)
+{
+ for (const struct playlist_metadata *pm = pv->head;
+ pm != NULL; pm = pm->next)
+ fprintf(fp, PLAYLIST_META_BEGIN "%s\n"
+ "mtime: %li\n"
+ "playlist_end\n",
+ pm->name, (long)pm->mtime);
+}
+
+bool
+playlist_metadata_load(FILE *fp, struct playlist_vector *pv, const char *name,
+ GString *buffer, GError **error_r)
+{
+ struct playlist_metadata pm;
+ char *line, *colon;
+ const char *value;
+
+ while ((line = read_text_line(fp, buffer)) != NULL &&
+ strcmp(line, "playlist_end") != 0) {
+ colon = strchr(line, ':');
+ if (colon == NULL || colon == line) {
+ g_set_error(error_r, playlist_database_quark(), 0,
+ "unknown line in db: %s", line);
+ return false;
+ }
+
+ *colon++ = 0;
+ value = g_strchug(colon);
+
+ if (strcmp(line, "mtime") == 0)
+ pm.mtime = strtol(value, NULL, 10);
+ else {
+ g_set_error(error_r, playlist_database_quark(), 0,
+ "unknown line in db: %s", line);
+ return false;
+ }
+ }
+
+ playlist_vector_update_or_add(pv, name, pm.mtime);
+ return true;
+}
diff --git a/src/playlist_database.h b/src/playlist_database.h
new file mode 100644
index 000000000..7e114abdd
--- /dev/null
+++ b/src/playlist_database.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_PLAYLIST_DATABASE_H
+#define MPD_PLAYLIST_DATABASE_H
+
+#include "check.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <glib.h>
+
+#define PLAYLIST_META_BEGIN "playlist_begin: "
+
+struct playlist_vector;
+
+void
+playlist_vector_save(FILE *fp, const struct playlist_vector *pv);
+
+bool
+playlist_metadata_load(FILE *fp, struct playlist_vector *pv, const char *name,
+ GString *buffer, GError **error_r);
+
+#endif
diff --git a/src/playlist_vector.c b/src/playlist_vector.c
new file mode 100644
index 000000000..80b70a96c
--- /dev/null
+++ b/src/playlist_vector.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "playlist_vector.h"
+
+#include <assert.h>
+#include <string.h>
+#include <glib.h>
+
+static struct playlist_metadata *
+playlist_metadata_new(const char *name, time_t mtime)
+{
+ assert(name != NULL);
+
+ struct playlist_metadata *pm = g_slice_new(struct playlist_metadata);
+ pm->name = g_strdup(name);
+ pm->mtime = mtime;
+ return pm;
+}
+
+static void
+playlist_metadata_free(struct playlist_metadata *pm)
+{
+ assert(pm != NULL);
+ assert(pm->name != NULL);
+
+ g_free(pm->name);
+ g_slice_free(struct playlist_metadata, pm);
+}
+
+void
+playlist_vector_deinit(struct playlist_vector *pv)
+{
+ assert(pv != NULL);
+
+ while (pv->head != NULL) {
+ struct playlist_metadata *pm = pv->head;
+ pv->head = pm->next;
+ playlist_metadata_free(pm);
+ }
+}
+
+static struct playlist_metadata **
+playlist_vector_find_p(struct playlist_vector *pv, const char *name)
+{
+ assert(pv != NULL);
+ assert(name != NULL);
+
+ struct playlist_metadata **pmp = &pv->head;
+
+ for (;;) {
+ struct playlist_metadata *pm = *pmp;
+ if (pm == NULL)
+ return NULL;
+
+ if (strcmp(pm->name, name) == 0)
+ return pmp;
+
+ pmp = &pm->next;
+ }
+}
+
+struct playlist_metadata *
+playlist_vector_find(struct playlist_vector *pv, const char *name)
+{
+ struct playlist_metadata **pmp = playlist_vector_find_p(pv, name);
+ return pmp != NULL ? *pmp : NULL;
+}
+
+void
+playlist_vector_add(struct playlist_vector *pv,
+ const char *name, time_t mtime)
+{
+ struct playlist_metadata *pm = playlist_metadata_new(name, mtime);
+ pm->next = pv->head;
+ pv->head = pm;
+}
+
+void
+playlist_vector_update_or_add(struct playlist_vector *pv,
+ const char *name, time_t mtime)
+{
+ struct playlist_metadata **pmp = playlist_vector_find_p(pv, name);
+ if (pmp != NULL) {
+ struct playlist_metadata *pm = *pmp;
+ pm->mtime = mtime;
+ } else
+ playlist_vector_add(pv, name, mtime);
+}
+
+bool
+playlist_vector_remove(struct playlist_vector *pv, const char *name)
+{
+ struct playlist_metadata **pmp = playlist_vector_find_p(pv, name);
+ if (pmp == NULL)
+ return false;
+
+ struct playlist_metadata *pm = *pmp;
+ *pmp = pm->next;
+
+ playlist_metadata_free(pm);
+ return true;
+}
diff --git a/src/playlist_vector.h b/src/playlist_vector.h
new file mode 100644
index 000000000..a2ba306d3
--- /dev/null
+++ b/src/playlist_vector.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_PLAYLIST_VECTOR_H
+#define MPD_PLAYLIST_VECTOR_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <sys/time.h>
+
+/**
+ * A directory entry pointing to a playlist file.
+ */
+struct playlist_metadata {
+ struct playlist_metadata *next;
+
+ /**
+ * The UTF-8 encoded name of the playlist file.
+ */
+ char *name;
+
+ time_t mtime;
+};
+
+struct playlist_vector {
+ struct playlist_metadata *head;
+};
+
+static inline void
+playlist_vector_init(struct playlist_vector *pv)
+{
+ pv->head = NULL;
+}
+
+void
+playlist_vector_deinit(struct playlist_vector *pv);
+
+struct playlist_metadata *
+playlist_vector_find(struct playlist_vector *pv, const char *name);
+
+void
+playlist_vector_add(struct playlist_vector *pv,
+ const char *name, time_t mtime);
+
+void
+playlist_vector_update_or_add(struct playlist_vector *pv,
+ const char *name, time_t mtime);
+
+bool
+playlist_vector_remove(struct playlist_vector *pv, const char *name);
+
+#endif /* SONGVEC_H */
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