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/*
This file is part of Android File Transfer For Linux.
Copyright (C) 2015-2020 Vladimir Menshakov
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <cli/CommandLine.h>
#include <mtp/log.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <readline.h>
#if HAVE_READLINE_HISTORY_H
#include <history.h>
#endif
namespace cli
{
CommandLine::CommandLine()
{
rl_readline_name = const_cast<char *>("AFT");
rl_attempted_completion_function = &CommandLine::CompletionCallback;
char *home = getenv("HOME");
if (home)
{
_historyPath = std::string(home) + "/.config";
mkdir(_historyPath.c_str(), 0700);
_historyPath += "/whoozle.github.io";
mkdir(_historyPath.c_str(), 0700);
_historyPath += "/aft-linux-cli.history";
read_history(_historyPath.c_str());
}
}
CommandLine::~CommandLine()
{
write_history(_historyPath.c_str());
}
CommandLine & CommandLine::Get()
{
static CommandLine cmd;
return cmd;
}
char * CommandLine::CompletionGenerator(const char *text, int state)
{ return NULL; }
char ** CommandLine::CompletionCallback(const char *text, int start, int end)
{
try
{
if (Get()._callback)
return Get()._callback(text, start, end);
else
return NULL;
}
catch(const std::exception &ex)
{ mtp::error(ex.what()); }
return NULL;
}
bool CommandLine::ReadLine(const std::string &prompt, std::string &input)
{
char *line = readline(prompt.c_str());
if (!line)
return false;
input.assign(line);
add_history(input.c_str());
return true;
}
bool CommandLine::ReadRawLine(std::string &input)
{
char buf[4096];
char *r = fgets(buf, sizeof(buf), stdin);
if (r)
input.assign(r);
else
input.clear();
return r;
}
std::string CommandLine::GetLineBuffer() const
{ return rl_line_buffer; }
}
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