/*
   core/commandbuffer.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "core/commandbuffer.h"
#include "sys/sys.h"

// C++ headers
#include <string>
#include <sstream>

namespace core
{

std::stringstream cmd(std::stringstream::in | std::stringstream::out);

namespace commandbuffer {

void exec(const char *text)
{
	std::stringstream cmdstream(text);
	std::string cmdname;

	if (!(cmdstream >> cmdname))
		return;

	// is it a function
	Func f = func::find(cmdname);
	if (f) {
		// function exists, execute it
		f(cmdstream);
		return;
	}

	// is it a cvar
	Cvar cv = cvar::find(cmdname);
	if (cv) {
		// cvar exists
		std::string args;
		if (cmdstream >> args) {
			// we're setting a new value
			char c;
			while(cmdstream >> c)
				args += c;
			(*cv) = args;
		}

		con_print << cmdname << " " << cv->text() << std::endl;
		return;
	}

	con_print << "unknown command '" << cmdname << "'" << std::endl;
}

void execute()
{
	if (core::cmd.eof())
		return;

	char line[MAXCMDSIZE];
	while (core::cmd.getline(line, MAXCMDSIZE-1)) {
		exec(line);
	}

	cmd.clear();
}

void clear()
{
	char line[MAXCMDSIZE];
	while (core::cmd.getline(line, MAXCMDSIZE-1));
}

} // namespace commandbuffer

} // namespace core