Command.cpp

#include "global.h"
#include "Command.h"
#include "RageUtil.h"
#include "RageLog.h"
#include "RageString.hpp"
#include "arch/Dialog/Dialog.h"

using std::vector;
using std::string;

std::string Command::GetName() const
{
	if( m_vsArgs.empty() )
	{
		return std::string();
	}
	return Rage::trim(m_vsArgs[0]);
}

Command::Arg Command::GetArg( unsigned index ) const
{
	Arg a;
	if( index < m_vsArgs.size() )
		a.s = m_vsArgs[index];
	return a;
}

void Command::Load( std::string const sCommand )
{
	m_vsArgs = Rage::split(sCommand, ",", Rage::EmptyEntries::include);
}

std::string Command::GetOriginalCommandString() const
{
	return Rage::join(",", m_vsArgs);
}

// TODO: Place this within the Rage library.
// TODO: Return the asOut instead of just using an out parameter.
static void SplitWithQuotes( std::string const sSource, const char Delimitor, vector<std::string> &asOut, const bool bIgnoreEmpty )
{
	/* Short-circuit if the source is empty; we want to return an empty vector if
	 * the string is empty, even if bIgnoreEmpty is true. */
	if( sSource.empty() )
	{
		return;
	}
	size_t startpos = 0;
	do {
		size_t pos = startpos;
		while( pos < sSource.size() )
		{
			if( sSource[pos] == Delimitor )
			{
				break;
			}
			if( sSource[pos] == '"' || sSource[pos] == '\'' )
			{
				/* We've found a quote.  Search for the close. */
				pos = sSource.find( sSource[pos], pos+1 );
				if( pos == string::npos )
				{
					pos = sSource.size();
				}
				else
				{
					++pos;
				}
			}
			else
			{
				++pos;
			}
		}

		if( pos-startpos > 0 || !bIgnoreEmpty )
		{
			/* Optimization: if we're copying the whole string, avoid substr; this
			 * allows this copy to be refcounted, which is much faster. */
			if( startpos == 0 && pos-startpos == sSource.size() )
			{
				asOut.push_back( sSource );
			}
			else
			{
				std::string const AddCString = sSource.substr( startpos, pos-startpos );
				asOut.push_back( AddCString );
			}
		}

		startpos = pos+1;
	} while( startpos <= sSource.size() );
}

std::string Commands::GetOriginalCommandString() const
{
	// TODO: Look into std::transform and Rage::join to see if that would be faster.
	std::stringstream target;
	bool hasPastFirst = false;
	for (auto const &c: v)
	{
		// We don't want to add the semicolon first.
		if (hasPastFirst)
		{
			target << ";";
		}
		else
		{
			hasPastFirst = true;
		}
		target << c.GetOriginalCommandString();
	}
	return target.str();
}

void ParseCommands( std::string const &sCommands, Commands &vCommandsOut, bool bLegacy )
{
	vector<std::string> vsCommands;
	if( bLegacy )
	{
		vsCommands = Rage::split(sCommands, ";", Rage::EmptyEntries::skip);
	}
	else
	{
		SplitWithQuotes( sCommands, ';', vsCommands, true );	// do ignore empty
	}
	vCommandsOut.v.resize( vsCommands.size() );

	for( unsigned i=0; i<vsCommands.size(); i++ )
	{
		Command &cmd = vCommandsOut.v[i];
		cmd.Load( vsCommands[i] );
	}
}

Commands ParseCommands( std::string const &sCommands )
{
	Commands vCommands;
	ParseCommands( sCommands, vCommands, false );
	return vCommands;
}

/*
 * (c) 2004 Chris Danford
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons to
 * whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
 * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
 * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
 * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */