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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 "core/commandbuffer.h"
#include "sys/sys.h"
// C++ headers
#include <string>
#include <sstream>
#include <list>
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));
}
void 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 << std::endl;
}
}
// 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 << std::endl;
}
}
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) << std::endl;
}
con_print << match.size() << " matches" << std::endl;
}
if (maxmatch.size() > partial.size()) {
if (match.size()==1) maxmatch += ' ';
input.replace(0, pos, maxmatch);
pos = maxmatch.size();
}
}
} // namespace commandbuffer
} // namespace core
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