/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

// Copyright (c) 2011, 2013 Google Inc.

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

//     * Neither the name of Google Inc. nor the names of its

// contributors may be used to endorse or promote products derived from

// this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>

// This file is derived from the following files in

// toolkit/crashreporter/google-breakpad:

//   src/common/module.cc

//   src/common/unique_string.cc

// There's no internal-only interface for LulCommon.  Hence include

// the external interface directly.

#include "LulCommonExt.h"

#include <stdlib.h>

#include <string.h>

#include <string>

#include <map>

namespace lul {

using std::string;

////////////////////////////////////////////////////////////////

// Module

//

Module::Module(const string &name, const string &os,

               const string &architecture, const string &id) :

    name_(name),

    os_(os),

    architecture_(architecture),

    id_(id) { }

Module::~Module() {

}

////////////////////////////////////////////////////////////////

// UniqueString

//

class UniqueString {

 public:

  explicit UniqueString(string str) { str_ = strdup(str.c_str()); }

  ~UniqueString() { free(reinterpret_cast<void*>(const_cast<char*>(str_))); }

  const char* str_;

};

const char* FromUniqueString(const UniqueString* ustr)

{

  return ustr->str_;

}

bool IsEmptyUniqueString(const UniqueString* ustr)

{

  return (ustr->str_)[0] == '\0';

}

////////////////////////////////////////////////////////////////

// UniqueStringUniverse

//

UniqueStringUniverse::~UniqueStringUniverse()

{

  for (std::map<string, UniqueString*>::iterator it = map_.begin();

       it != map_.end(); it++) {

    delete it->second;

  }

}

const UniqueString* UniqueStringUniverse::ToUniqueString(string str)

{

  std::map<string, UniqueString*>::iterator it = map_.find(str);

  if (it == map_.end()) {

    UniqueString* ustr = new UniqueString(str);

    map_[str] = ustr;

    return ustr;

  } else {

    return it->second;

  }

}

}  // namespace lul