89 lines
2.2 KiB
C++
89 lines
2.2 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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#pragma once
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#include "stream/textstream.h"
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#include "string/string.h"
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#include "inout.h"
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/// \brief A TextOutputStream which writes to a null terminated fixed length char array.
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/// Similar to std::stringstream.
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template<std::size_t SIZE>
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class StringFixedSize : public TextOutputStream
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{
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char m_string[SIZE];
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std::size_t m_length;
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public:
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StringFixedSize() {
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clear();
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}
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explicit StringFixedSize( const char* string ){
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operator()( string );
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}
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std::size_t write( const char* buffer, std::size_t length ) override {
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if( m_length + length < SIZE ){
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for( auto i = length; i != 0; --i )
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m_string[m_length++] = *buffer++;
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strClear( &m_string[m_length] );
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}
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else{
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Error( "String '%s%.*s' overflow: length >= %d.", m_string, length, buffer, SIZE );
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}
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return length;
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}
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StringFixedSize& operator=( const char* string ){
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return operator()( string );
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}
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template<typename ... Args>
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StringFixedSize& operator()( Args&& ... args ){
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clear();
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( *this << ... << std::forward<Args>( args ) );
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return *this;
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}
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operator const char*() const {
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return c_str();
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}
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bool empty() const {
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return strEmpty( m_string );
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}
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const char* c_str() const {
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return m_string;
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}
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void clear() {
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strClear( m_string );
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m_length = 0;
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}
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};
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template<std::size_t SIZE, typename T>
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inline StringFixedSize<SIZE>& operator<<( StringFixedSize<SIZE>& ostream, const T& t ) {
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return ostream_write( ostream, t );
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}
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using String64 = StringFixedSize<64>;
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