/usr/include/taglib/tiostream.h is in libtag1-dev 1.9.1-2.4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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copyright : (C) 2011 by Lukas Lalinsky
email : lalinsky@gmail.com
***************************************************************************/
/***************************************************************************
* 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_IOSTREAM_H
#define TAGLIB_IOSTREAM_H
#include "taglib_export.h"
#include "taglib.h"
#include "tbytevector.h"
namespace TagLib {
#ifdef _WIN32
class TAGLIB_EXPORT FileName
{
public:
FileName(const wchar_t *name);
FileName(const char *name);
FileName(const FileName &name);
operator const wchar_t *() const;
operator const char *() const;
const std::wstring &wstr() const;
const std::string &str() const;
String toString() const;
private:
const std::string m_name;
const std::wstring m_wname;
};
#else
typedef const char *FileName;
#endif
//! An abstract class that provides operations on a sequence of bytes
class TAGLIB_EXPORT IOStream
{
public:
/*!
* Position in the file used for seeking.
*/
enum Position {
//! Seek from the beginning of the file.
Beginning,
//! Seek from the current position in the file.
Current,
//! Seek from the end of the file.
End
};
IOStream();
/*!
* Destroys this IOStream instance.
*/
virtual ~IOStream();
/*!
* Returns the stream name in the local file system encoding.
*/
virtual FileName name() const = 0;
/*!
* Reads a block of size \a length at the current get pointer.
*/
virtual ByteVector readBlock(ulong length) = 0;
/*!
* Attempts to write the block \a data at the current get pointer. If the
* file is currently only opened read only -- i.e. readOnly() returns true --
* this attempts to reopen the file in read/write mode.
*
* \note This should be used instead of using the streaming output operator
* for a ByteVector. And even this function is significantly slower than
* doing output with a char[].
*/
virtual void writeBlock(const ByteVector &data) = 0;
/*!
* Insert \a data at position \a start in the file overwriting \a replace
* bytes of the original content.
*
* \note This method is slow since it requires rewriting all of the file
* after the insertion point.
*/
virtual void insert(const ByteVector &data, ulong start = 0, ulong replace = 0) = 0;
/*!
* Removes a block of the file starting a \a start and continuing for
* \a length bytes.
*
* \note This method is slow since it involves rewriting all of the file
* after the removed portion.
*/
virtual void removeBlock(ulong start = 0, ulong length = 0) = 0;
/*!
* Returns true if the file is read only (or if the file can not be opened).
*/
virtual bool readOnly() const = 0;
/*!
* Since the file can currently only be opened as an argument to the
* constructor (sort-of by design), this returns if that open succeeded.
*/
virtual bool isOpen() const = 0;
/*!
* Move the I/O pointer to \a offset in the stream from position \a p. This
* defaults to seeking from the beginning of the stream.
*
* \see Position
*/
virtual void seek(long offset, Position p = Beginning) = 0;
/*!
* Reset the end-of-stream and error flags on the stream.
*/
virtual void clear();
/*!
* Returns the current offset within the stream.
*/
virtual long tell() const = 0;
/*!
* Returns the length of the stream.
*/
virtual long length() = 0;
/*!
* Truncates the stream to a \a length.
*/
virtual void truncate(long length) = 0;
private:
IOStream(const IOStream &);
IOStream &operator=(const IOStream &);
};
}
#endif
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