75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined( INCLUDED_STREAM_MEMSTREAM_H )
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#define INCLUDED_STREAM_MEMSTREAM_H
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#include "itextstream.h"
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#include <algorithm>
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#include <vector>
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class BufferOutputStream : public TextOutputStream
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{
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std::vector<char> m_buffer;
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public:
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std::size_t write( const char* buffer, std::size_t length ){
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m_buffer.insert( m_buffer.end(), buffer, buffer + length );
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return length;
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}
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const char* data() const {
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return &( *m_buffer.begin() );
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}
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std::size_t size() const {
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return m_buffer.size();
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}
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void clear(){
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std::vector<char> empty;
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std::swap( empty, m_buffer );
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}
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};
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template<typename T>
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inline BufferOutputStream& operator<<( BufferOutputStream& ostream, const T& t ){
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return ostream_write( ostream, t );
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}
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class BufferInputStream : public TextInputStream
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{
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const char* m_read;
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const char* m_end;
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public:
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BufferInputStream( const char* buffer, std::size_t length )
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: m_read( buffer ), m_end( buffer + length ){
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}
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std::size_t read( char* buffer, std::size_t length ){
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std::size_t count = std::min( std::size_t( m_end - m_read ), length );
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const char* end = m_read + count;
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while ( m_read != end )
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{
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*buffer++ = *m_read++;
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}
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return count;
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}
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};
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#endif
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