231 lines
5.8 KiB
C++
231 lines
5.8 KiB
C++
/***************************************************************************
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copyright : (C) 2002 - 2008 by Scott Wheeler
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email : wheeler@kde.org
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copyright : (C) 2006 by Urs Fleisch
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email : ufleisch@users.sourceforge.net
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***************************************************************************/
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/***************************************************************************
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#include "urllinkframe.h"
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#include "id3v2tag.h"
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#include <tdebug.h>
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#include <tstringlist.h>
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#include <tpropertymap.h>
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using namespace TagLib;
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using namespace ID3v2;
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class UrlLinkFrame::UrlLinkFramePrivate
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{
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public:
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String url;
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};
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class UserUrlLinkFrame::UserUrlLinkFramePrivate
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{
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public:
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UserUrlLinkFramePrivate() : textEncoding(String::Latin1) {}
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String::Type textEncoding;
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String description;
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};
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UrlLinkFrame::UrlLinkFrame(const ByteVector &data) :
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Frame(data)
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{
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d = new UrlLinkFramePrivate;
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setData(data);
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}
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UrlLinkFrame::~UrlLinkFrame()
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{
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delete d;
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}
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void UrlLinkFrame::setUrl(const String &s)
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{
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d->url = s;
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}
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String UrlLinkFrame::url() const
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{
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return d->url;
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}
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void UrlLinkFrame::setText(const String &s)
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{
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setUrl(s);
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}
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String UrlLinkFrame::toString() const
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{
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return url();
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}
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PropertyMap UrlLinkFrame::asProperties() const
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{
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String key = frameIDToKey(frameID());
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PropertyMap map;
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if(key.isNull())
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// unknown W*** frame - this normally shouldn't happen
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map.unsupportedData().append(frameID());
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else
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map.insert(key, url());
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return map;
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}
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void UrlLinkFrame::parseFields(const ByteVector &data)
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{
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d->url = String(data);
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}
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ByteVector UrlLinkFrame::renderFields() const
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{
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return d->url.data(String::Latin1);
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}
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UrlLinkFrame::UrlLinkFrame(const ByteVector &data, Header *h) : Frame(h)
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{
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d = new UrlLinkFramePrivate;
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parseFields(fieldData(data));
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}
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UserUrlLinkFrame::UserUrlLinkFrame(String::Type encoding) :
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UrlLinkFrame("WXXX")
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{
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d = new UserUrlLinkFramePrivate;
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d->textEncoding = encoding;
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}
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UserUrlLinkFrame::UserUrlLinkFrame(const ByteVector &data) :
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UrlLinkFrame(data)
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{
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d = new UserUrlLinkFramePrivate;
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setData(data);
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}
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UserUrlLinkFrame::~UserUrlLinkFrame()
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{
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delete d;
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}
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String UserUrlLinkFrame::toString() const
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{
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return "[" + description() + "] " + url();
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}
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String::Type UserUrlLinkFrame::textEncoding() const
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{
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return d->textEncoding;
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}
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void UserUrlLinkFrame::setTextEncoding(String::Type encoding)
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{
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d->textEncoding = encoding;
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}
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String UserUrlLinkFrame::description() const
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{
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return d->description;
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}
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void UserUrlLinkFrame::setDescription(const String &s)
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{
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d->description = s;
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}
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PropertyMap UserUrlLinkFrame::asProperties() const
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{
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PropertyMap map;
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String key = description().upper();
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if(key.isEmpty() || key.upper() == "URL")
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map.insert("URL", url());
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else if(key.isNull())
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map.unsupportedData().append(L"WXXX/" + description());
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else
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map.insert("URL:" + key, url());
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return map;
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}
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UserUrlLinkFrame *UserUrlLinkFrame::find(ID3v2::Tag *tag, const String &description) // static
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{
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FrameList l = tag->frameList("WXXX");
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for(FrameList::Iterator it = l.begin(); it != l.end(); ++it) {
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UserUrlLinkFrame *f = dynamic_cast<UserUrlLinkFrame *>(*it);
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if(f && f->description() == description)
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return f;
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}
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return 0;
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}
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void UserUrlLinkFrame::parseFields(const ByteVector &data)
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{
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if(data.size() < 2) {
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debug("A user URL link frame must contain at least 2 bytes.");
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return;
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}
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int pos = 0;
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d->textEncoding = String::Type(data[0]);
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pos += 1;
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if(d->textEncoding == String::Latin1 || d->textEncoding == String::UTF8) {
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int offset = data.find(textDelimiter(d->textEncoding), pos);
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if(offset < pos)
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return;
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d->description = String(data.mid(pos, offset - pos), d->textEncoding);
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pos = offset + 1;
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}
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else {
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int len = data.mid(pos).find(textDelimiter(d->textEncoding), 0, 2);
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if(len < 0)
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return;
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d->description = String(data.mid(pos, len), d->textEncoding);
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pos += len + 2;
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}
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setUrl(String(data.mid(pos)));
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}
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ByteVector UserUrlLinkFrame::renderFields() const
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{
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ByteVector v;
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String::Type encoding = checkTextEncoding(d->description, d->textEncoding);
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v.append(char(encoding));
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v.append(d->description.data(encoding));
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v.append(textDelimiter(encoding));
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v.append(url().data(String::Latin1));
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return v;
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}
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UserUrlLinkFrame::UserUrlLinkFrame(const ByteVector &data, Header *h) : UrlLinkFrame(data, h)
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{
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d = new UserUrlLinkFramePrivate;
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parseFields(fieldData(data));
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}
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