Added utils.c, utils.h to the project

git-svn-id: https://svn.musicpd.org/ncmpc/trunk@1555 09075e82-0dd4-0310-85a5-a0d7c8717e4f

3 files changed, 135 insertions, 2 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 2d99bc103..fc81ed9b9 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -11,12 +11,12 @@ AM_CPPFLAGS = $(GLIB_CFLAGS) -DLOCALE_DIR=\""$(datadir)/locale"\" -DSYSCONFDIR=\
 
 ncmpc_headers = libmpdclient.h mpdclient.h options.h conf.h command.h \
                 screen.h screen_utils.h list_window.h colors.h support.h \
-                wreadln.h strfsong.h ncmpc.h
+                wreadln.h strfsong.h utils.h ncmpc.h
 
 ncmpc_SOURCES = libmpdclient.c main.c mpdclient.c options.c conf.c command.c \
 		screen.c screen_utils.c screen_play.c screen_file.c \
 		screen_search.c screen_help.c screen_keydef.c screen_clock.c \
-                list_window.c colors.c support.c wreadln.c strfsong.c \
+                list_window.c colors.c support.c wreadln.c strfsong.c utils.c \
                 $(ncmpc_headers)
 
 
diff --git a/src/utils.c b/src/utils.c
new file mode 100644
index 000000000..49841a350
--- /dev/null
+++ b/src/utils.c
@@ -0,0 +1,121 @@
+/* 
+ * $Id$
+ *
+ * (c) 2004 by Kalle Wallin <kaw@linux.se>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+
+#include "config.h"
+#include "ncmpc.h"
+#include "options.h"
+#include "support.h"
+#include "mpdclient.h"
+#include "utils.h"
+
+
+GList *
+string_list_free(GList *string_list)
+{
+  GList *list = g_list_first(string_list);
+
+  while(list)
+    {
+      g_free(list->data);
+      list->data=NULL;
+      list=list->next;
+    }
+  g_list_free(string_list);
+  return NULL;
+}
+
+GList *
+string_list_find(GList *string_list, gchar *str)
+{
+  GList *list = g_list_first(string_list);
+
+  while(list)
+    {
+      if( strcmp(str, (gchar *) list->data) ==  0 )
+	return list;
+      list = list->next;
+    }
+  return NULL;
+}
+
+GList *
+string_list_remove(GList *string_list, gchar *str)
+{
+  GList *list = g_list_first(string_list);
+
+  while(list)
+    {
+      if( strcmp(str, (gchar *) list->data) ==  0 )
+	{
+	  g_free(list->data);
+	  list->data = NULL;
+	  return g_list_delete_link(string_list, list);
+	}
+      list = list->next;
+    }
+  return list;
+}
+
+/* create a list suiteble for GCompletion from path */
+GList *
+gcmp_list_from_path(mpdclient_t *c, gchar *path, GList *list)
+{
+  GList *flist = NULL;
+  mpdclient_filelist_t *filelist;
+  
+  if( (filelist=mpdclient_filelist_get(c, path)) == NULL )
+    return list;
+  D("retreived filelist!\n");
+  flist = filelist->list;
+  while( flist )
+    {
+      filelist_entry_t *entry = flist->data;
+      mpd_InfoEntity *entity = entry ? entry->entity : NULL;
+      char *name = NULL;
+      
+      if( entity && entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY ) 
+	{
+	  mpd_Directory *dir = entity->info.directory;
+	  gchar *tmp = utf8_to_locale(dir->path);
+	  
+	  name = g_malloc(strlen(tmp)+2);
+	  strcpy(name, tmp);
+	  strcat(name, "/");
+	  g_free(tmp);
+	}
+      else if( entity && entity->type==MPD_INFO_ENTITY_TYPE_SONG )
+	{
+	  mpd_Song *song = entity->info.song;
+	  name = utf8_to_locale(song->file);
+	}
+      if( name )
+	list = g_list_append(list, name);
+
+      flist = flist->next;
+    }
+  mpdclient_filelist_free(filelist);
+  return list;
+}
diff --git a/src/utils.h b/src/utils.h
new file mode 100644
index 000000000..998a0dece
--- /dev/null
+++ b/src/utils.h
@@ -0,0 +1,12 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+/* functions for lists containing strings */
+GList *string_list_free(GList *string_list);
+GList *string_list_find(GList *string_list, gchar *str);
+GList *string_list_remove(GList *string_list, gchar *str);
+
+/* create a string list from path - used for completion */
+GList *gcmp_list_from_path(mpdclient_t *c, gchar *path, GList *list);
+
+#endif