/*
   +----------------------------------------------------------------------+
   | HipHop for PHP                                                       |
   +----------------------------------------------------------------------+
   | Copyright (c) 2010-2015 Facebook, Inc. (http://www.facebook.com)     |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
*/

#include "hphp/runtime/debugger/cmd/cmd_example.h"

#include "hphp/runtime/debugger/debugger_client.h"

namespace HPHP { namespace Eval {
///////////////////////////////////////////////////////////////////////////////

TRACE_SET_MOD(debugger);

void CmdExample::sendImpl(DebuggerThriftBuffer &thrift) {
  CmdExtended::sendImpl(thrift);
  thrift.write(m_input);
  thrift.write(m_output);
}

void CmdExample::recvImpl(DebuggerThriftBuffer &thrift) {
  CmdExtended::recvImpl(thrift);
  thrift.read(m_input);
  thrift.read(m_output);
}

void CmdExample::list(DebuggerClient &client) {
  client.addCompletion("tic-tac-toe");
  client.addCompletion("hip-hop-roll");
}

void CmdExample::help(DebuggerClient &client) {
  client.helpTitle("Example Command");
  client.helpCmds(
    "xample {string}",      "it will tell you how long it is!",
    "x ample {string}",     "it will tell you how long it is!",
    nullptr
  );
  client.helpBody(
    "This is just an example of extending debugger commands with C++. "
    "To add a new command, simply run \"php new_cmd.php {name}\" under "
    "runtime/debugger/cmd, and it will generate two files to start with. "
    "Modify command registration code at bottom of runtime/debugger/cmd/"
    "cmd_extended.cpp and modify your new command by following this example."
  );
}

void CmdExample::onClient(DebuggerClient &client) {
  if (DebuggerCommand::displayedHelp(client)) return;
  if (client.argCount() == 1) {
    help(client);
    return;
  }

  m_input = client.lineRest(2);
  auto res = client.xend<CmdExample>(this);
  client.output("%d", res->m_output);
}

bool CmdExample::onServer(DebuggerProxy &proxy) {
  m_output = m_input.size();
  return proxy.sendToClient(this);
}

///////////////////////////////////////////////////////////////////////////////
}}
