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/***************************************************************************
copyright : (C) 2004 by Allan Sandfeld Jensen
email : kde@carewolf.org
***************************************************************************/
/***************************************************************************
* 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., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301 USA *
* *
* Alternatively, this file is available under the Mozilla Public *
* License Version 1.1. You may obtain a copy of the License at *
* http://www.mozilla.org/MPL/ *
***************************************************************************/
#ifndef TAGLIB_APEITEM_H
#define TAGLIB_APEITEM_H
#include "tbytevector.h"
#include "tstring.h"
#include "tstringlist.h"
namespace TagLib {
namespace APE {
//! An implementation of APE-items
/*!
* This class provides the features of items in the APEv2 standard.
*/
class TAGLIB_EXPORT Item
{
public:
/*!
* Enum of types an Item can have. The value of 3 is reserved.
*/
enum ItemTypes {
//! Item contains text information coded in UTF-8
Text = 0,
//! Item contains binary information
Binary = 1,
//! Item is a locator of external stored information
Locator = 2
};
/*!
* Constructs an empty item.
*/
Item();
/*!
* Constructs a text item with \a key and \a value.
*/
// BIC: Remove this, StringList has a constructor from a single string
Item(const String &key, const String &value);
/*!
* Constructs a text item with \a key and \a values.
*/
Item(const String &key, const StringList &values);
/*!
* Constructs an item with \a key and \a value.
* If \a binary is true a Binary item will be created, otherwise \a value will be interpreted as text
*/
Item(const String &key, const ByteVector &value, bool binary);
/*!
* Construct an item as a copy of \a item.
*/
Item(const Item &item);
/*!
* Destroys the item.
*/
virtual ~Item();
/*!
* Copies the contents of \a item into this item.
*/
Item &operator=(const Item &item);
/*!
* Returns the key.
*/
String key() const;
/*!
* Returns the binary value.
* If the item type is not \a Binary, the returned contents are undefined
*/
ByteVector binaryData() const;
/*!
* Set the binary value to \a value
* The item's type will also be set to \a Binary
*/
void setBinaryData(const ByteVector &value);
#ifndef DO_NOT_DOCUMENT
/* Remove in next binary incompatible release */
ByteVector value() const;
#endif
/*!
* Sets the key for the item to \a key.
*/
void setKey(const String &key);
/*!
* Sets the text value of the item to \a value and clears any previous contents.
*
* \see toString()
*/
void setValue(const String &value);
/*!
* Sets the text value of the item to the list of values in \a value and clears
* any previous contents.
*
* \see toStringList()
*/
void setValues(const StringList &values);
/*!
* Appends \a value to create (or extend) the current list of text values.
*
* \see toString()
*/
void appendValue(const String &value);
/*!
* Appends \a values to extend the current list of text values.
*
* \see toStringList()
*/
void appendValues(const StringList &values);
/*!
* Returns the size of the full item.
*/
int size() const;
/*!
* Returns the value as a single string. In case of multiple strings,
* the first is returned.
*/
String toString() const;
#ifndef DO_NOT_DOCUMENT
/* Remove in next binary incompatible release */
StringList toStringList() const;
#endif
/*!
* Returns the list of text values.
*/
StringList values() const;
/*!
* Render the item to a ByteVector.
*/
ByteVector render() const;
/*!
* Parse the item from the ByteVector \a data.
*/
void parse(const ByteVector& data);
/*!
* Set the item to read-only.
*/
void setReadOnly(bool readOnly);
/*!
* Return true if the item is read-only.
*/
bool isReadOnly() const;
/*!
* Sets the type of the item to \a type.
*
* \see ItemTypes
*/
void setType(ItemTypes type);
/*!
* Returns the type of the item.
*/
ItemTypes type() const;
/*!
* Returns if the item has any real content.
*/
bool isEmpty() const;
private:
class ItemPrivate;
ItemPrivate *d;
};
}
}
#endif