148 lines
3.4 KiB
C++
148 lines
3.4 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_STRINGSTREAM_H )
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#define INCLUDED_STREAM_STRINGSTREAM_H
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#include "itextstream.h"
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#include "string/string.h"
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#include <vector>
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/// \brief A wrapper around a STL vector of char.
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/// Maintains a null-terminated array of char.
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/// Provides a limited STL-style interface to push and pop characters at the end of the string.
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class StringBuffer
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{
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std::vector<char> m_string;
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public:
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StringBuffer(){
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m_string.push_back( '\0' );
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}
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explicit StringBuffer( std::size_t capacity ){
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m_string.reserve( capacity );
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m_string.push_back( '\0' );
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}
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explicit StringBuffer( const char* string ) : m_string( string, string + string_length( string ) + 1 ){
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}
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typedef std::vector<char>::iterator iterator;
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typedef std::vector<char>::const_iterator const_iterator;
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iterator begin(){
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return m_string.begin();
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}
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const_iterator begin() const {
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return m_string.begin();
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}
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iterator end(){
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return m_string.end() - 1;
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}
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const_iterator end() const {
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return m_string.end() - 1;
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}
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void push_back( char c ){
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m_string.insert( end(), c );
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}
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void pop_back(){
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m_string.erase( end() - 1 );
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}
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void push_range( const char* first, const char* last ){
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m_string.insert( end(), first, last );
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}
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void push_string( const char* string ){
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push_range( string, string + string_length( string ) );
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}
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char* c_str(){
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return &( *m_string.begin() );
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}
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const char* c_str() const {
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return &( *m_string.begin() );
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}
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char& back(){
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return *( end() - 1 );
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}
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const char& back() const {
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return *( end() - 1 );
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}
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bool empty() const {
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return m_string.size() == 1;
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}
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void clear(){
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m_string.clear();
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m_string.push_back( '\0' );
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}
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};
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/// \brief A TextOutputStream which writes to a StringBuffer.
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/// Similar to std::stringstream.
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class StringOutputStream : public TextOutputStream
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{
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StringBuffer m_string;
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public:
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typedef StringBuffer::iterator iterator;
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typedef StringBuffer::const_iterator const_iterator;
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StringOutputStream(){
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}
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explicit StringOutputStream( std::size_t capacity ) : m_string( capacity ){
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}
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std::size_t write( const char* buffer, std::size_t length ){
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m_string.push_range( buffer, buffer + length );
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return length;
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}
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iterator begin(){
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return m_string.begin();
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}
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const_iterator begin() const {
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return m_string.begin();
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}
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iterator end(){
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return m_string.end();
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}
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const_iterator end() const {
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return m_string.end();
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}
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bool empty() const {
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return m_string.empty();
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}
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char* c_str(){
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return m_string.c_str();
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}
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const char* c_str() const {
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return m_string.c_str();
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}
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void clear(){
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m_string.clear();
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}
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};
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template<typename T>
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inline StringOutputStream& operator<<( StringOutputStream& ostream, const T& t ){
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return ostream_write( ostream, t );
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}
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#endif
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