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https://github.com/UberGames/GtkRadiant.git
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12b372f89c
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
81 lines
2 KiB
C++
81 lines
2 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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{
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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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{
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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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{
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return m_buffer.size();
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}
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void clear()
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{
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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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{
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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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}
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std::size_t read(char* buffer, std::size_t length)
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{
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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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