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author | Max Kellermann <max@duempel.org> | 2014-01-24 16:18:50 +0100 |
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committer | Max Kellermann <max@duempel.org> | 2014-01-24 16:38:44 +0100 |
commit | 9d34fc394ce30a28ec0e43f2ad7172b8de8b3be6 (patch) | |
tree | 4b58951bc81b17f16140c7f743a163bd837827bf /src/db/upnp/Directory.cxx | |
parent | 973c9872f930d73a8ddc98e4802b242aea9f0dba (diff) | |
download | mpd-9d34fc394ce30a28ec0e43f2ad7172b8de8b3be6.tar.gz mpd-9d34fc394ce30a28ec0e43f2ad7172b8de8b3be6.tar.xz mpd-9d34fc394ce30a28ec0e43f2ad7172b8de8b3be6.zip |
Database*: move to db/
Diffstat (limited to 'src/db/upnp/Directory.cxx')
-rw-r--r-- | src/db/upnp/Directory.cxx | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/src/db/upnp/Directory.cxx b/src/db/upnp/Directory.cxx deleted file mode 100644 index adb8b213a..000000000 --- a/src/db/upnp/Directory.cxx +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Copyright (C) 2003-2014 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 "Directory.hxx" -#include "Util.hxx" -#include "Expat.hxx" -#include "Tags.hxx" -#include "tag/TagBuilder.hxx" -#include "tag/TagTable.hxx" -#include "util/NumberParser.hxx" - -#include <algorithm> -#include <string> - -#include <string.h> - -UPnPDirContent::~UPnPDirContent() -{ - /* this destructor exists here just so it won't get inlined */ -} - -gcc_pure gcc_nonnull_all -static bool -CompareStringLiteral(const char *literal, const char *value, size_t length) -{ - return length == strlen(literal) && - memcmp(literal, value, length) == 0; -} - -gcc_pure -static UPnPDirObject::ItemClass -ParseItemClass(const char *name, size_t length) -{ - if (CompareStringLiteral("object.item.audioItem.musicTrack", - name, length)) - return UPnPDirObject::ItemClass::MUSIC; - else if (CompareStringLiteral("object.item.playlistItem", - name, length)) - return UPnPDirObject::ItemClass::PLAYLIST; - else - return UPnPDirObject::ItemClass::UNKNOWN; -} - -gcc_pure -static int -ParseDuration(const char *duration) -{ - char *endptr; - - unsigned result = ParseUnsigned(duration, &endptr); - if (endptr == duration || *endptr != ':') - return 0; - - result *= 60; - duration = endptr + 1; - result += ParseUnsigned(duration, &endptr); - if (endptr == duration || *endptr != ':') - return 0; - - result *= 60; - duration = endptr + 1; - result += ParseUnsigned(duration, &endptr); - if (endptr == duration || *endptr != 0) - return 0; - - return result; -} - -/** - * Transform titles to turn '/' into '_' to make them acceptable path - * elements. There is a very slight risk of collision in doing - * this. Twonky returns directory names (titles) like 'Artist/Album'. - */ -gcc_pure -static std::string -titleToPathElt(std::string &&s) -{ - std::replace(s.begin(), s.end(), '/', '_'); - return s; -} - -/** - * An XML parser which builds directory contents from DIDL lite input. - */ -class UPnPDirParser final : public CommonExpatParser { - UPnPDirContent &m_dir; - - enum { - NONE, - RES, - CLASS, - } state; - - /** - * If not equal to #TAG_NUM_OF_ITEM_TYPES, then we're - * currently reading an element containing a tag value. The - * value is being constructed in #value. - */ - TagType tag_type; - - /** - * The text inside the current element. - */ - std::string value; - - UPnPDirObject m_tobj; - TagBuilder tag; - -public: - UPnPDirParser(UPnPDirContent& dir) - :m_dir(dir), - state(NONE), - tag_type(TAG_NUM_OF_ITEM_TYPES) - { - } - -protected: - virtual void StartElement(const XML_Char *name, const XML_Char **attrs) - { - if (m_tobj.type != UPnPDirObject::Type::UNKNOWN && - tag_type == TAG_NUM_OF_ITEM_TYPES) { - tag_type = tag_table_lookup(upnp_tags, name); - if (tag_type != TAG_NUM_OF_ITEM_TYPES) - return; - } else { - assert(tag_type == TAG_NUM_OF_ITEM_TYPES); - } - - switch (name[0]) { - case 'c': - if (!strcmp(name, "container")) { - m_tobj.clear(); - m_tobj.type = UPnPDirObject::Type::CONTAINER; - - const char *id = GetAttribute(attrs, "id"); - if (id != nullptr) - m_tobj.m_id = id; - - const char *pid = GetAttribute(attrs, "parentID"); - if (pid != nullptr) - m_tobj.m_pid = pid; - } - break; - - case 'i': - if (!strcmp(name, "item")) { - m_tobj.clear(); - m_tobj.type = UPnPDirObject::Type::ITEM; - - const char *id = GetAttribute(attrs, "id"); - if (id != nullptr) - m_tobj.m_id = id; - - const char *pid = GetAttribute(attrs, "parentID"); - if (pid != nullptr) - m_tobj.m_pid = pid; - } - break; - - case 'r': - if (!strcmp(name, "res")) { - // <res protocolInfo="http-get:*:audio/mpeg:*" size="5171496" - // bitrate="24576" duration="00:03:35" sampleFrequency="44100" - // nrAudioChannels="2"> - - const char *duration = - GetAttribute(attrs, "duration"); - if (duration != nullptr) - tag.SetTime(ParseDuration(duration)); - - state = RES; - } - - break; - - case 'u': - if (strcmp(name, "upnp:class") == 0) - state = CLASS; - } - } - - bool checkobjok() { - if (m_tobj.m_id.empty() || m_tobj.m_pid.empty() || - m_tobj.name.empty() || - (m_tobj.type == UPnPDirObject::Type::ITEM && - m_tobj.item_class == UPnPDirObject::ItemClass::UNKNOWN)) - return false; - - return true; - } - - virtual void EndElement(const XML_Char *name) - { - if (tag_type != TAG_NUM_OF_ITEM_TYPES) { - assert(m_tobj.type != UPnPDirObject::Type::UNKNOWN); - - tag.AddItem(tag_type, value.c_str()); - - if (tag_type == TAG_TITLE) - m_tobj.name = titleToPathElt(std::move(value)); - - value.clear(); - tag_type = TAG_NUM_OF_ITEM_TYPES; - return; - } - - if ((!strcmp(name, "container") || !strcmp(name, "item")) && - checkobjok()) { - tag.Commit(m_tobj.tag); - m_dir.objects.emplace_back(std::move(m_tobj)); - } - - state = NONE; - } - - virtual void CharacterData(const XML_Char *s, int len) - { - if (tag_type != TAG_NUM_OF_ITEM_TYPES) { - assert(m_tobj.type != UPnPDirObject::Type::UNKNOWN); - - value.append(s, len); - return; - } - - switch (state) { - case NONE: - break; - - case RES: - m_tobj.url.assign(s, len); - break; - - case CLASS: - m_tobj.item_class = ParseItemClass(s, len); - break; - } - } -}; - -bool -UPnPDirContent::parse(const char *input, Error &error) -{ - UPnPDirParser parser(*this); - return parser.Parse(input, strlen(input), true, error); -} |