aboutsummaryrefslogtreecommitdiffstats
path: root/src/playlist/RssPlaylistPlugin.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/playlist/RssPlaylistPlugin.cxx284
1 files changed, 0 insertions, 284 deletions
diff --git a/src/playlist/RssPlaylistPlugin.cxx b/src/playlist/RssPlaylistPlugin.cxx
deleted file mode 100644
index e2a44bfd3..000000000
--- a/src/playlist/RssPlaylistPlugin.cxx
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * Copyright (C) 2003-2013 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 "RssPlaylistPlugin.hxx"
-#include "PlaylistPlugin.hxx"
-#include "MemorySongEnumerator.hxx"
-#include "InputStream.hxx"
-#include "Song.hxx"
-#include "tag/Tag.hxx"
-#include "util/ASCII.hxx"
-#include "util/Error.hxx"
-#include "util/Domain.hxx"
-#include "Log.hxx"
-
-#include <glib.h>
-
-#include <assert.h>
-#include <string.h>
-
-static constexpr Domain rss_domain("rss");
-
-/**
- * This is the state object for the GLib XML parser.
- */
-struct RssParser {
- /**
- * The list of songs (in reverse order because that's faster
- * while adding).
- */
- std::forward_list<SongPointer> songs;
-
- /**
- * The current position in the XML file.
- */
- enum {
- ROOT, ITEM,
- } state;
-
- /**
- * The current tag within the "entry" element. This is only
- * valid if state==ITEM. TAG_NUM_OF_ITEM_TYPES means there
- * is no (known) tag.
- */
- TagType tag;
-
- /**
- * The current song. It is allocated after the "location"
- * element.
- */
- Song *song;
-
- RssParser()
- :state(ROOT) {}
-};
-
-static const gchar *
-get_attribute(const gchar **attribute_names, const gchar **attribute_values,
- const gchar *name)
-{
- for (unsigned i = 0; attribute_names[i] != nullptr; ++i)
- if (StringEqualsCaseASCII(attribute_names[i], name))
- return attribute_values[i];
-
- return nullptr;
-}
-
-static void
-rss_start_element(gcc_unused GMarkupParseContext *context,
- const gchar *element_name,
- const gchar **attribute_names,
- const gchar **attribute_values,
- gpointer user_data, gcc_unused GError **error)
-{
- RssParser *parser = (RssParser *)user_data;
-
- switch (parser->state) {
- case RssParser::ROOT:
- if (StringEqualsCaseASCII(element_name, "item")) {
- parser->state = RssParser::ITEM;
- parser->song = Song::NewRemote("rss:");
- parser->tag = TAG_NUM_OF_ITEM_TYPES;
- }
-
- break;
-
- case RssParser::ITEM:
- if (StringEqualsCaseASCII(element_name, "enclosure")) {
- const gchar *href = get_attribute(attribute_names,
- attribute_values,
- "url");
- if (href != nullptr) {
- /* create new song object, and copy
- the existing tag over; we cannot
- replace the existing song's URI,
- because that attribute is
- immutable */
- Song *song = Song::NewRemote(href);
-
- if (parser->song != nullptr) {
- song->tag = parser->song->tag;
- parser->song->tag = nullptr;
- parser->song->Free();
- }
-
- parser->song = song;
- }
- } else if (StringEqualsCaseASCII(element_name, "title"))
- parser->tag = TAG_TITLE;
- else if (StringEqualsCaseASCII(element_name, "itunes:author"))
- parser->tag = TAG_ARTIST;
-
- break;
- }
-}
-
-static void
-rss_end_element(gcc_unused GMarkupParseContext *context,
- const gchar *element_name,
- gpointer user_data, gcc_unused GError **error)
-{
- RssParser *parser = (RssParser *)user_data;
-
- switch (parser->state) {
- case RssParser::ROOT:
- break;
-
- case RssParser::ITEM:
- if (StringEqualsCaseASCII(element_name, "item")) {
- if (strcmp(parser->song->uri, "rss:") != 0)
- parser->songs.emplace_front(parser->song);
- else
- parser->song->Free();
-
- parser->state = RssParser::ROOT;
- } else
- parser->tag = TAG_NUM_OF_ITEM_TYPES;
-
- break;
- }
-}
-
-static void
-rss_text(gcc_unused GMarkupParseContext *context,
- const gchar *text, gsize text_len,
- gpointer user_data, gcc_unused GError **error)
-{
- RssParser *parser = (RssParser *)user_data;
-
- switch (parser->state) {
- case RssParser::ROOT:
- break;
-
- case RssParser::ITEM:
- if (parser->tag != TAG_NUM_OF_ITEM_TYPES) {
- if (parser->song->tag == nullptr)
- parser->song->tag = new Tag();
- parser->song->tag->AddItem(parser->tag,
- text, text_len);
- }
-
- break;
- }
-}
-
-static const GMarkupParser rss_parser = {
- rss_start_element,
- rss_end_element,
- rss_text,
- nullptr,
- nullptr,
-};
-
-static void
-rss_parser_destroy(gpointer data)
-{
- RssParser *parser = (RssParser *)data;
-
- if (parser->state >= RssParser::ITEM)
- parser->song->Free();
-}
-
-/*
- * The playlist object
- *
- */
-
-static SongEnumerator *
-rss_open_stream(InputStream &is)
-{
- RssParser parser;
- GMarkupParseContext *context;
- char buffer[1024];
- size_t nbytes;
- bool success;
- Error error2;
- GError *error = nullptr;
-
- /* parse the RSS XML file */
-
- context = g_markup_parse_context_new(&rss_parser,
- G_MARKUP_TREAT_CDATA_AS_TEXT,
- &parser, rss_parser_destroy);
-
- while (true) {
- nbytes = is.LockRead(buffer, sizeof(buffer), error2);
- if (nbytes == 0) {
- if (error2.IsDefined()) {
- g_markup_parse_context_free(context);
- LogError(error2);
- return nullptr;
- }
-
- break;
- }
-
- success = g_markup_parse_context_parse(context, buffer, nbytes,
- &error);
- if (!success) {
- FormatError(rss_domain,
- "XML parser failed: %s", error->message);
- g_error_free(error);
- g_markup_parse_context_free(context);
- return nullptr;
- }
- }
-
- success = g_markup_parse_context_end_parse(context, &error);
- if (!success) {
- FormatError(rss_domain,
- "XML parser failed: %s", error->message);
- g_error_free(error);
- g_markup_parse_context_free(context);
- return nullptr;
- }
-
- parser.songs.reverse();
- MemorySongEnumerator *playlist =
- new MemorySongEnumerator(std::move(parser.songs));
-
- g_markup_parse_context_free(context);
-
- return playlist;
-}
-
-static const char *const rss_suffixes[] = {
- "rss",
- nullptr
-};
-
-static const char *const rss_mime_types[] = {
- "application/rss+xml",
- "text/xml",
- nullptr
-};
-
-const struct playlist_plugin rss_playlist_plugin = {
- "rss",
-
- nullptr,
- nullptr,
- nullptr,
- rss_open_stream,
-
- nullptr,
- rss_suffixes,
- rss_mime_types,
-};