/usr/include/CLAM/ReadingRegion.hxx is in libclam-dev 1.4.0-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | /*
* Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef ReadingRegion_hxx
#define ReadingRegion_hxx
#include "Region.hxx"
#include "StreamImpl.hxx"
namespace CLAM
{
template<class WritingRegion>
class ReadingRegion : public Region
{
typedef typename WritingRegion::ProperStream ProperStream;
typedef typename WritingRegion::ProperToken ProperToken;
public:
ReadingRegion();
~ReadingRegion();
void LinkAndNotifySizeToStream( ProperStream& stream );
ProperStream& Stream();
/** Condition of overlap between reading and writing regions.
Returns true if are not overlapping so it can consume
*/
bool CanConsume();
/**
This method must be called when the data of the reading-region has been
already readen (consumed) and we want to advance the region position
for further readings (consumes)
*/
void Consume();
void LinkProducerRegion( Region& writing);
// const?? TODO
ProperToken& operator[](int offset);
Region* ProducerRegion();
void RemoveProducer();
ReadingRegionsIterator BeginReaders();
ReadingRegionsIterator EndReaders();
private:
void SizeChanged(const int & newSize);
ProperStream* mAttachedStream;
Region* mProducingRegion;
};
/////// Implementation ////////
template<class WritingRegion>
ReadingRegion<WritingRegion>::ReadingRegion()
: mAttachedStream(0), mProducingRegion(0)
{
}
template<class WritingRegion>
ReadingRegion<WritingRegion>::~ReadingRegion()
{
if(mProducingRegion)
mProducingRegion->RemoveRegion( *this );
}
template<class WritingRegion>
void ReadingRegion<WritingRegion>::LinkAndNotifySizeToStream( ProperStream& stream )
{
mAttachedStream = &stream;
mAttachedStream->NewReadingRegionSize( *this );
}
template<class WritingRegion>
typename ReadingRegion<WritingRegion>::ProperStream & ReadingRegion<WritingRegion>::Stream()
{
return *(mAttachedStream);
}
template<class WritingRegion>
bool ReadingRegion<WritingRegion>::CanConsume()
{
if(!mProducingRegion)
return false;
return ProducerRegion()->Pos() >= Pos()+Size();
}
template<class WritingRegion>
void ReadingRegion<WritingRegion>::Consume()
{
CLAM_DEBUG_ASSERT( CanConsume(), "ReadingRegion::Consume() - region can't consume" );
Pos( Pos() + Hop() );
mAttachedStream->ReaderHasAdvanced( *this );
}
template<class WritingRegion>
void ReadingRegion<WritingRegion>::LinkProducerRegion( Region& writing)
{
mProducingRegion = &writing;
// it starts at the same position than the writer is in this exact moment
Pos( writing.Pos() );
BeginDistance( writing.BeginDistance() );
}
template<class WritingRegion>
typename ReadingRegion<WritingRegion>::ProperToken & ReadingRegion<WritingRegion>::operator[](int offset)
{
CLAM_DEBUG_ASSERT( mAttachedStream, "ReadingRegion operator[] - No attached stream" );
CLAM_DEBUG_ASSERT( 0 <= offset && offset < Size(), "ReadingRegion operator[] - Index out of bounds" );
CLAM_DEBUG_ASSERT( CanConsume(), "ReadingRegion operator[] - region can't consume" );
int physicalIndex = BeginDistance() + offset;
return mAttachedStream->operator[](physicalIndex);
}
template<class WritingRegion>
Region* ReadingRegion<WritingRegion>::ProducerRegion()
{
return mProducingRegion;
}
template<class WritingRegion>
void ReadingRegion<WritingRegion>::RemoveProducer()
{
mProducingRegion = 0;
mAttachedStream = 0;
}
template<class WritingRegion>
typename ReadingRegion<WritingRegion>::ReadingRegionsIterator ReadingRegion<WritingRegion>::BeginReaders()
{
throw 0;
}
template<class WritingRegion>
typename ReadingRegion<WritingRegion>::ReadingRegionsIterator ReadingRegion<WritingRegion>::EndReaders()
{
throw 0;
}
template<class WritingRegion>
void ReadingRegion<WritingRegion>::SizeChanged(const int & newSize)
{
if (mAttachedStream)
mAttachedStream->NewReadingRegionSize(*this);
}
} // namespace CLAM
#endif // __ReadingRegion_hxx__
|