Kwave::ID3_QIODeviceReader Class Reference

#include <ID3_QIODeviceReader.h>

Inheritance diagram for Kwave::ID3_QIODeviceReader:

Collaboration diagram for Kwave::ID3_QIODeviceReader:

Public Member Functions
	ID3_QIODeviceReader (QIODevice &source)
virtual	~ID3_QIODeviceReader ()
virtual void	close ()
virtual ID3_Reader::pos_type	getBeg ()
virtual ID3_Reader::pos_type	getEnd ()
virtual ID3_Reader::pos_type	getCur ()
virtual ID3_Reader::pos_type	setCur (ID3_Reader::pos_type pos=0)
virtual ID3_Reader::int_type	readChar ()
virtual ID3_Reader::int_type	peekChar ()
virtual size_type	readChars (char_type buf[], size_type len)
virtual size_type	readChars (char buf[], size_type len)

Private Attributes
QIODevice &	m_source

Detailed Description

Adapter between QIODevice and ID3_Reader

Definition at line 34 of file ID3_QIODeviceReader.h.

Constructor & Destructor Documentation

ID3_QIODeviceReader()

Kwave::ID3_QIODeviceReader::ID3_QIODeviceReader ( QIODevice &  source )

explicit

Constructor

Definition at line 25 of file ID3_QIODeviceReader.cpp.

        :ID3_Reader(), m_source(source)
{
}

~ID3_QIODeviceReader()

Kwave::ID3_QIODeviceReader::~ID3_QIODeviceReader ( )

virtual

Destructor

Definition at line 31 of file ID3_QIODeviceReader.cpp.

{
}

Member Function Documentation

close()

void Kwave::ID3_QIODeviceReader::close ( )

virtual

Close the source. Not implemented.

Definition at line 36 of file ID3_QIODeviceReader.cpp.

{
}

getBeg()

ID3_Reader::pos_type Kwave::ID3_QIODeviceReader::getBeg ( )

virtual

Get the start position, always zero

Definition at line 41 of file ID3_QIODeviceReader.cpp.

{
    return 0;
}

getCur()

ID3_Reader::pos_type Kwave::ID3_QIODeviceReader::getCur ( )

virtual

Returns the current position

Definition at line 53 of file ID3_QIODeviceReader.cpp.

References m_source.

{
    return static_cast<ID3_Reader::pos_type>(m_source.pos());
}

getEnd()

ID3_Reader::pos_type Kwave::ID3_QIODeviceReader::getEnd ( )

virtual

Get the end position, identical to size()-1

Definition at line 47 of file ID3_QIODeviceReader.cpp.

References m_source.

{
    return static_cast<ID3_Reader::pos_type>(m_source.size());
}

peekChar()

ID3_Reader::int_type Kwave::ID3_QIODeviceReader::peekChar ( )

virtual

Reads one character without advancing the current position

Definition at line 75 of file ID3_QIODeviceReader.cpp.

References m_source, and readChar().

{
    qint64 pos = m_source.pos();
    ID3_Reader::int_type ch = readChar();
    m_source.seek(pos);
    return ch;
}

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readChar()

ID3_Reader::int_type Kwave::ID3_QIODeviceReader::readChar ( )

virtual

Reads out one single character

Definition at line 67 of file ID3_QIODeviceReader.cpp.

References m_source.

Referenced by peekChar().

{
    unsigned char c = 0;
    m_source.getChar(reinterpret_cast<char *>(&c));
    return static_cast<ID3_Reader::int_type>(c);
}

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readChars() [1/2]

ID3_Reader::size_type Kwave::ID3_QIODeviceReader::readChars ( char_type  buf[], size_type  len  )

virtual

Read out a block of characters

Definition at line 84 of file ID3_QIODeviceReader.cpp.

References m_source.

Referenced by readChars().

{
     qint64 size = m_source.read(
        reinterpret_cast<char *>(&(buf[0])),
        static_cast<qint64>(len)
    );
    return static_cast<ID3_Reader::size_type>(size);
}

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readChars() [2/2]

ID3_Reader::size_type Kwave::ID3_QIODeviceReader::readChars ( char  buf[], size_type  len  )

virtual

Definition at line 95 of file ID3_QIODeviceReader.cpp.

References readChars().

{
    return this->readChars(reinterpret_cast<char_type *>(buf), len);
}

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setCur()

ID3_Reader::pos_type Kwave::ID3_QIODeviceReader::setCur ( ID3_Reader::pos_type  pos = 0 )

virtual

Sets a new position and returns the new one

Definition at line 59 of file ID3_QIODeviceReader.cpp.

References m_source.

{
    if (!m_source.seek(static_cast<qint64>(pos)))
        return static_cast<ID3_Reader::pos_type>(-1);
    return static_cast<ID3_Reader::pos_type>(m_source.pos());
}

Member Data Documentation

m_source

QIODevice& Kwave::ID3_QIODeviceReader::m_source

private

reference to a QIODevice that is used as source

Definition at line 72 of file ID3_QIODeviceReader.h.

Referenced by getCur(), getEnd(), peekChar(), readChar(), readChars(), and setCur().

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The documentation for this class was generated from the following files:

• plugins/codec_mp3/ID3_QIODeviceReader.h
• plugins/codec_mp3/ID3_QIODeviceReader.cpp