/*
   +----------------------------------------------------------------------+
   | HipHop for PHP                                                       |
   +----------------------------------------------------------------------+
   | Copyright (c) 2010- 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.               |
   +----------------------------------------------------------------------+
*/

#ifndef __HPHP_SOURCE_ROOT_INFO_H__
#define __HPHP_SOURCE_ROOT_INFO_H__

#include <runtime/base/complex_types.h>
#include <runtime/eval/debugger/debugger_base.h>

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

class Transport;

class SourceRootInfo {
public:
  SourceRootInfo(const char *host);
  SourceRootInfo(const std::string &user, const std::string &sandbox);
  void createFromUserConfig();
  void createFromCommonRoot(const String &sandboxName);

  ~SourceRootInfo();

  void setServerVariables(Variant &server) const;
  std::string path() const;

  bool sandboxOn() const {
    return m_sandboxCond == SandboxOn;
  }

  void clear() {
    m_user.reset();
    m_sandbox.reset();
    m_path.reset();
    m_serverVars.reset();
  }

  bool error() const {
    return m_sandboxCond == SandboxError;
  }
  void handleError(Transport *t);
  static const std::string &GetCurrentSourceRoot() {
    return s_path.isNull() ? RuntimeOption::SourceRoot : *s_path;
  }
  static const std::string &GetCurrentPhpRoot() {
    return s_phproot.isNull() ? initPhpRoot() : *s_phproot;
  }

  Eval::DSandboxInfo getSandboxInfo() const;

private:
  String m_user;
  String m_sandbox;
  String m_path;
  enum SandboxCondition {
    SandboxOn,
    SandboxError,
    SandboxOff
  } m_sandboxCond;
  Array m_serverVars;
  static DECLARE_THREAD_LOCAL_NO_CHECK(std::string, s_path);
  static DECLARE_THREAD_LOCAL_NO_CHECK(std::string, s_phproot);

  static std::string& initPhpRoot();
  std::string parseSandboxServerVariable(const std::string &format) const;
};

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

#endif // __HPHP_SOURCE_ROOT_INFO_H__