herrie/src/vfs_xspf.c

   1 /*
   2  * Copyright (c) 2006-2011 Ed Schouten <ed@80386.nl>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26 /**
  27  * @file vfs_xspf.c
  28  * @brief XSPF file access.
  29  */
  30
  31 #include "stdinc.h"
  32
  33 #include <xspf_c.h>
  34
  35 #include "util.h"
  36 #include "vfs.h"
  37 #include "vfs_modules.h"
  38
  39 int
  40 vfs_xspf_match(struct vfsent *ve, int isdir)
  41 {
  42         /* In order to speed up the process, we only match *.xspf */
  43         if (isdir || !g_str_has_suffix(ve->name, ".xspf"))
  44                 return (-1);
  45
  46         ve->recurse = 0;
  47         return (0);
  48 }
  49
  50 int
  51 vfs_xspf_populate(struct vfsent *ve)
  52 {
  53         struct xspf_list *slist;
  54         struct xspf_track *strack;
  55         struct xspf_mvalue *sloc;
  56         char *dirname, *baseuri, *filename;
  57         struct vfsref *vr;
  58
  59         baseuri = url_escape(ve->filename);
  60         slist = xspf_parse(ve->filename, baseuri);
  61         g_free(baseuri);
  62         if (slist == NULL)
  63                 return (-1);
  64
  65         dirname = g_path_get_dirname(ve->filename);
  66
  67         XSPF_LIST_FOREACH_TRACK(slist, strack) {
  68                 XSPF_TRACK_FOREACH_LOCATION(strack, sloc) {
  69                         /* Skip file:// part */
  70                         filename = url_unescape(sloc->value);
  71
  72                         /* Add it to the list */
  73                         vr = vfs_lookup(filename, strack->title, dirname, 1);
  74                         if (vr != NULL)
  75                                 vfs_list_insert_tail(&ve->population, vr);
  76                 }
  77         }
  78
  79         g_free(dirname);
  80         xspf_free(slist);
  81         return (0);
  82 }
  83
  84 int
  85 vfs_xspf_write(const struct vfslist *vl, const char *filename)
  86 {
  87         struct xspf_list *list;
  88         struct xspf_track *track;
  89         struct xspf_mvalue *location;
  90         char *fn, *baseuri;
  91         struct vfsref *vr;
  92         int ret;
  93
  94         list = xspf_new();
  95
  96         VFS_LIST_FOREACH_REVERSE(vl, vr) {
  97                 /* Add a new track to the beginning of the list */
  98                 track = xspf_new_track_before(&list->tracks);
  99
 100                 /* Make sure we don't write non-UTF-8 titles to disk */
 101                 if (g_utf8_validate(vfs_name(vr), -1, NULL))
 102                         xspf_setvalue(&track->title, vfs_name(vr));
 103
 104                 location = xspf_new_mvalue_before(&track->locations);
 105                 fn = url_escape(vfs_filename(vr));
 106                 xspf_setvalue(&location->value, fn);
 107                 g_free(fn);
 108         }
 109
 110         baseuri = url_escape(filename);
 111         ret = xspf_write(list, filename, baseuri);
 112         g_free(baseuri);
 113         xspf_free(list);
 114
 115         return (ret);
 116 }