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/*
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 <string>
#include <sstream>
#include <list>
#include "sys/sys.h"
#include "core/application.h"
#include "core/commandbuffer.h"
#include "core/gameconnection.h"
#include "core/func.h"
#include "core/cvar.h"
namespace core
{
void func_list_func(std::string const &args)
{
Func::list();
}
void func_list_var(std::string const &args)
{
Cvar::list();
}
void func_list_ent(std::string const &args)
{
Entity::list();
}
void func_set(std::string const &args)
{
std::istringstream argstream(args);
std::string varname;
if (!(argstream >> varname))
return;
// we're setting a new value
std::string value;
if (!(argstream >> value))
return;
char c;
while (argstream.get(c))
value += c;
Cvar *cvar = Cvar::set(varname.c_str(), value.c_str(), Cvar::Archive);
con_print << cvar->name() << " " << cvar->str() << "\n";
return;
}
std::stringstream CommandBuffer::cmdbuf(std::stringstream::in | std::stringstream::out);
void CommandBuffer::init()
{
//con_debug << "Initializing command buffer...\n";
Func::add("list_ent", (FuncPtr)func_list_ent);
Func::add("list_func", (FuncPtr)func_list_func);
Func::add("list_var", (FuncPtr)func_list_var);
Func::add("set", (FuncPtr)func_set);
}
void CommandBuffer::shutdown()
{
//con_debug << "Shutting down command buffer...\n";
Func::remove("set");
Func::remove("list_var");
Func::remove("list_func");
Func::remove("list_ent");
}
void CommandBuffer::exec(std::string const &cmdline)
{
if (!cmdline.size())
return;
std::istringstream cmdstream(cmdline);
std::string command;
if (!(cmdstream >> command))
return;
//con_debug << "Executing '" << cmdline << "'\n";
// is it a function
Func *f = Func::find(command);
if (f) {
std::string args;
char c;
if (cmdstream >> args) {
while (cmdstream.get(c))
args += c;
}
if ((f->flags() & Func::Game)) {
if (application()->connected()) {
f->exec(game()->localplayer(), args);
}
} else {
f->exec(args);
}
return;
}
// is it a cvar
Cvar *cvar = Cvar::find(command);
if (cvar) {
// cvar exists
std::string value;
if (((cvar->flags() & Cvar::ReadOnly) == 0) && (cmdstream >> value)) {
// we're setting a new value
char c;
while (cmdstream.get(c))
value += c;
(*cvar) = value;
}
con_print << command << " " << cvar->str() << "\n";
return;
}
// TODO this must get forwarded to the server
if (connection())
connection()->forward(cmdline);
else
con_print << "Unknown command '" << command << "'\n";
}
void CommandBuffer::exec()
{
if (cmdbuf.eof())
return;
char line[MAXCMDSIZE];
while (core::cmd().getline(line, MAXCMDSIZE-1)) {
exec(std::string(line));
}
cmdbuf.clear();
}
void CommandBuffer::complete(std::string &input, size_t &pos)
{
std::list<std::string> match;
std::string partial = input.substr(0, pos);
if (!partial.size())
return;
// search function registry for matches
std::map<std::string, Func *>::iterator f;
for (f = Func::registry.begin(); f != Func::registry.end(); f++) {
if (partial == (*f).first.substr(0, partial.size())) {
match.push_back((*f).first);
//con_print << " " << (*f).first << "\n";
}
}
// search cvar registry for matches
std::map<std::string, Cvar *>::iterator c;
for (c = Cvar::registry.begin(); c != Cvar::registry.end(); c++) {
if (partial == (*c).first.substr(0, partial.size())) {
match.push_back((*c).first);
//con_print << " " << (*c).first << "\n";
}
}
if (!match.size())
return;
std::string maxmatch(*match.begin());
if (match.size() > 1) {
std::list<std::string>::iterator l;
for (l = match.begin(); l !=match.end(); l++) {
if (maxmatch.size()) {
size_t i =0;
while ((i < maxmatch.size() && i < (*l).size()) && (maxmatch[i] == (*l)[i])) {
i++;
}
if (i < maxmatch.size())
maxmatch.erase(i);
}
con_print << " " << (*l) << "\n";
}
con_print << match.size() << " matches\n";
}
if (maxmatch.size() > partial.size()) {
if (match.size()==1) maxmatch += ' ';
input.replace(0, pos, maxmatch);
pos = maxmatch.size();
}
}
}
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