diff --git a/Frameworks/TagLib/Files/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp b/Frameworks/TagLib/Files/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp new file mode 100644 index 000000000..e408bdbad --- /dev/null +++ b/Frameworks/TagLib/Files/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.cpp @@ -0,0 +1,193 @@ +/*************************************************************************** + copyright : (C) 2004 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Aaron VonderHaar + email : avh4@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library 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 * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + ***************************************************************************/ + +#include + +#include "generalencapsulatedobjectframe.h" + +using namespace TagLib; +using namespace ID3v2; + +class GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFramePrivate +{ +public: + GeneralEncapsulatedObjectFramePrivate() : textEncoding(String::Latin1) {} + + String::Type textEncoding; + String mimeType; + String fileName; + String description; + ByteVector data; +}; + +//////////////////////////////////////////////////////////////////////////////// +// public members +//////////////////////////////////////////////////////////////////////////////// + +GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFrame() : Frame("GEOB") +{ + d = new GeneralEncapsulatedObjectFramePrivate; +} + +GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFrame(const ByteVector &data) : Frame(data) +{ + setData(data); + d = new GeneralEncapsulatedObjectFramePrivate; +} + +GeneralEncapsulatedObjectFrame::~GeneralEncapsulatedObjectFrame() +{ + delete d; +} + +String GeneralEncapsulatedObjectFrame::toString() const +{ + String text = "[" + d->mimeType + "]"; + + if(!d->fileName.isEmpty()) + text += " " + d->fileName; + + if(!d->description.isEmpty()) + text += " \"" + d->description + "\""; + + return text; +} + +String::Type GeneralEncapsulatedObjectFrame::textEncoding() const +{ + return d->textEncoding; +} + +void GeneralEncapsulatedObjectFrame::setTextEncoding(String::Type encoding) +{ + d->textEncoding = encoding; +} + +String GeneralEncapsulatedObjectFrame::mimeType() const +{ + return d->mimeType; +} + +void GeneralEncapsulatedObjectFrame::setMimeType(const String &type) +{ + d->mimeType = type; +} + +String GeneralEncapsulatedObjectFrame::fileName() const +{ + return d->fileName; +} + +void GeneralEncapsulatedObjectFrame::setFileName(const String &name) +{ + d->fileName = name; +} + +String GeneralEncapsulatedObjectFrame::description() const +{ + return d->description; +} + +void GeneralEncapsulatedObjectFrame::setDescription(const String &desc) +{ + d->description = desc; +} + +ByteVector GeneralEncapsulatedObjectFrame::object() const +{ + return d->data; +} + +void GeneralEncapsulatedObjectFrame::setObject(const ByteVector &data) +{ + d->data = data; +} + +//////////////////////////////////////////////////////////////////////////////// +// protected members +//////////////////////////////////////////////////////////////////////////////// + +void GeneralEncapsulatedObjectFrame::parseFields(const ByteVector &data) +{ + if(data.size() < 4) { + debug("An object frame must contain at least 4 bytes."); + return; + } + + int fieldStart = 0; + + d->textEncoding = String::Type(data[fieldStart]); + fieldStart += 1; + + int fieldEnd = data.find(textDelimiter(String::Latin1), fieldStart); + + if(fieldEnd < fieldStart) + return; + + d->mimeType = String(data.mid(fieldStart, fieldEnd - fieldStart), String::Latin1); + fieldStart = fieldEnd + 1; + + fieldEnd = data.find(textDelimiter(d->textEncoding), fieldStart); + + if(fieldEnd < fieldStart) + return; + + d->fileName = String(data.mid(fieldStart, fieldEnd - fieldStart), d->textEncoding); + fieldStart = fieldEnd + 1; + + fieldEnd = data.find(textDelimiter(d->textEncoding), fieldStart); + + if(fieldEnd < fieldStart) + return; + + d->description = String(data.mid(fieldStart, fieldEnd - fieldStart), d->textEncoding); + fieldStart = fieldEnd + 1; + + d->data = data.mid(fieldStart); +} + +ByteVector GeneralEncapsulatedObjectFrame::renderFields() const +{ + ByteVector data; + + data.append(char(d->textEncoding)); + data.append(d->mimeType.data(String::Latin1)); + data.append(textDelimiter(String::Latin1)); + data.append(d->fileName.data(d->textEncoding)); + data.append(textDelimiter(d->textEncoding)); + data.append(d->description.data(d->textEncoding)); + data.append(textDelimiter(d->textEncoding)); + data.append(d->data); + + return data; +} + +//////////////////////////////////////////////////////////////////////////////// +// private members +//////////////////////////////////////////////////////////////////////////////// + +GeneralEncapsulatedObjectFrame::GeneralEncapsulatedObjectFrame(const ByteVector &data, Header *h) : Frame(h) +{ + d = new GeneralEncapsulatedObjectFramePrivate; + parseFields(fieldData(data)); +} diff --git a/Frameworks/TagLib/Files/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.h b/Frameworks/TagLib/Files/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.h new file mode 100644 index 000000000..b1d3c5f86 --- /dev/null +++ b/Frameworks/TagLib/Files/taglib/mpeg/id3v2/frames/generalencapsulatedobjectframe.h @@ -0,0 +1,169 @@ +/*************************************************************************** + copyright : (C) 2004 by Scott Wheeler + email : wheeler@kde.org + copyright : (C) 2006 by Aaron VonderHaar + email : avh4@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * This library is free software; you can redistribute it and/or modify * + * it under the terms of the GNU Lesser General Public License version * + * 2.1 as published by the Free Software Foundation. * + * * + * This library 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 * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this library; if not, write to the Free Software * + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * + * USA * + ***************************************************************************/ + +#ifndef TAGLIB_GENERALENCAPSULATEDOBJECT_H +#define TAGLIB_GENERALENCAPSULATEDOBJECT_H + +#include +#include + +namespace TagLib { + + namespace ID3v2 { + + //! An ID3v2 general encapsulated object frame implementation + + /*! + * This is an implementation of ID3v2 general encapsulated objects. + * Arbitrary binary data may be included in tags, stored in GEOB frames. + * There may be multiple GEOB frames in a single tag. Each GEOB it + * labelled with a content description (which may be blank), a required + * mime-type, and a file name (may be blank). The content description + * uniquely identifies the GEOB frame in the tag. + */ + + class GeneralEncapsulatedObjectFrame : public Frame + { + friend class FrameFactory; + + public: + + /*! + * Constructs an empty object frame. The description, file name and text + * encoding should be set manually. + */ + GeneralEncapsulatedObjectFrame(); + + /*! + * Constructs a GeneralEncapsulatedObjectFrame frame based on \a data. + */ + explicit GeneralEncapsulatedObjectFrame(const ByteVector &data); + + /*! + * Destroys the GeneralEncapsulatedObjectFrame instance. + */ + virtual ~GeneralEncapsulatedObjectFrame(); + + /*! + * Returns a string containing the description, file name and mime-type + */ + virtual String toString() const; + + /*! + * Returns the text encoding used for the description and file name. + * + * \see setTextEncoding() + * \see description() + * \see fileName() + */ + String::Type textEncoding() const; + + /*! + * Set the text encoding used for the description and file name. + * + * \see description() + * \see fileName() + */ + void setTextEncoding(String::Type encoding); + + /*! + * Returns the mime type of the object. + */ + String mimeType() const; + + /*! + * Sets the mime type of the object. + */ + void setMimeType(const String &type); + + /*! + * Returns the file name of the object. + * + * \see setFileName() + */ + String fileName() const; + + /*! + * Sets the file name for the object. + * + * \see fileName() + */ + void setFileName(const String &name); + + /*! + * Returns the content description of the object. + * + * \see setDescription() + * \see textEncoding() + * \see setTextEncoding() + */ + + String description() const; + + /*! + * Sets the content description of the object to \a desc. + * + * \see description() + * \see textEncoding() + * \see setTextEncoding() + */ + + void setDescription(const String &desc); + + /*! + * Returns the object data as a ByteVector. + * + * \note ByteVector has a data() method that returns a const char * which + * should make it easy to export this data to external programs. + * + * \see setObject() + * \see mimeType() + */ + ByteVector object() const; + + /*! + * Sets the object data to \a data. \a data should be of the type specified in + * this frame's mime-type specification. + * + * \see object() + * \see mimeType() + * \see setMimeType() + */ + void setObject(const ByteVector &object); + + protected: + virtual void parseFields(const ByteVector &data); + virtual ByteVector renderFields() const; + + private: + GeneralEncapsulatedObjectFrame(const ByteVector &data, Header *h); + GeneralEncapsulatedObjectFrame(const GeneralEncapsulatedObjectFrame &); + GeneralEncapsulatedObjectFrame &operator=(const GeneralEncapsulatedObjectFrame &); + + class GeneralEncapsulatedObjectFramePrivate; + GeneralEncapsulatedObjectFramePrivate *d; + }; + } +} + +#endif