mirror of
https://github.com/0ldsk00l/nestopia.git
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150 lines
3.1 KiB
C++
150 lines
3.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
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//
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// Nestopia - NES/Famicom emulator written in C++
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//
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// Copyright (C) 2003-2008 Martin Freij
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//
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// This file is part of Nestopia.
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//
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// Nestopia 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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//
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// Nestopia 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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//
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// You should have received a copy of the GNU General Public License
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// along with Nestopia; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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////////////////////////////////////////////////////////////////////////////////////////
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#include <cstdio>
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#include <new>
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#include <string>
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#include "NstAssert.hpp"
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#include "NstLog.hpp"
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#include "api/NstApiUser.hpp"
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namespace Nes
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{
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namespace Core
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{
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#ifdef NST_MSVC_OPTIMIZE
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#pragma optimize("s", on)
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#endif
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struct Log::Object
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{
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std::string string;
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};
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bool Log::enabled = true;
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Log::Log()
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: object( !Api::User::logCallback ? NULL : new (std::nothrow) Object )
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{
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}
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Log::~Log()
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{
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if (object)
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{
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if (enabled)
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Api::User::logCallback( object->string.c_str(), object->string.size() );
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delete object;
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}
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}
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bool Log::Available()
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{
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return Api::User::logCallback;
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}
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void Log::Append(cstring c,ulong n)
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{
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object->string.append( c, n );
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}
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Log& Log::operator << (long value)
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{
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if (enabled && object)
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{
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char buffer[24];
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const int length = std::sprintf( buffer, "%li", value );
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NST_VERIFY( length > 0 );
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if (length > 0)
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Append( buffer, length );
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}
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return *this;
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}
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Log& Log::operator << (ulong value)
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{
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if (enabled && object)
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{
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char buffer[24];
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const int length = std::sprintf( buffer, "%lu", value );
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NST_VERIFY( length > 0 );
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if (length > 0)
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Append( buffer, length );
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}
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return *this;
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}
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Log& Log::operator << (cstring c)
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{
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if (enabled && object)
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object->string.append( c );
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return *this;
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}
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Log& Log::operator << (char c)
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{
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if (enabled && object)
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object->string.append( 1, c );
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return *this;
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}
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Log& Log::operator << (const Hex& hex)
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{
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if (enabled && object)
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{
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char buffer[16];
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buffer[0] = '0';
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buffer[1] = 'x';
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const int length = std::sprintf( buffer + 2, hex.format, hex.value );
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NST_VERIFY( length > 0 );
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if (length > 0)
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Append( buffer, 2 + length );
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}
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return *this;
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}
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void Log::Flush(cstring string,dword length)
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{
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if (enabled)
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Api::User::logCallback( string, length );
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}
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#ifdef NST_MSVC_OPTIMIZE
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#pragma optimize("", on)
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#endif
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}
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}
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