std::vector<std::string> HelpCmd::complete(const std::string& cmdLine) const
{
// TODO: complete last begun parameter
std::vector<std::string> commandWithArgs = split(cmdLine);
std::vector<std::string> result;
size_t lastIdx = commandWithArgs.size() - 1;
// indicates that we want to find a new parameter
if(*(--cmdLine.end()) == ' ')
{
++lastIdx;
commandWithArgs.push_back("");
}
std::vector<std::string> cmds = Commands::getInstance().getAllCommandNames();
for(size_t i = 0; i < cmds.size(); ++i)
{
if(startsWidth(cmds[i], commandWithArgs[lastIdx]))
{
std::vector<std::string> v = commandWithArgs;
v[lastIdx] = cmds[i];
std::string s = join(v);
result.push_back(s);
}
}
return result;
}
std::vector<std::string> Commands::complete(const std::string& cmdLine)
{
std::vector<std::string> commandWithArgs = split(cmdLine);
std::vector<std::string> result;
if(commandWithArgs.size() > 1 || (!cmdLine.empty() && *(--cmdLine.end()) == ' '))
{
// parameter completion (this is the job of the individual Command instaces)
std::map<std::string, Command*>::const_iterator i = commands.find(commandWithArgs[0]);
if(i != commands.end())
{
std::vector<std::string> completionResult = i->second->complete(cmdLine);
result.insert(result.begin(), completionResult.begin(), completionResult.end());
}
/* For backward compatibility: Check if the completion strings start with the
* given command and prepend it if not. Assumes that the prefix is missing
* in every string if it is missing in the first one.
*/
if(!result.empty() && !startsWidth(result[0], commandWithArgs[0]))
{
for(size_t i = 0; i < result.size(); ++i)
result[i] = commandWithArgs[0] + " " + result[i];
}
}
else
{
// command completion
for(std::map<std::string, Command*>::const_iterator i = commands.begin();
i != commands.end(); i++)
{
if(startsWidth(i->first, cmdLine))
result.push_back(i->first);
}
}
return result;
}
