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111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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// Copyright (c) 2011, 2013 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
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// This file is derived from the following files in
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// toolkit/crashreporter/google-breakpad:
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// src/common/module.cc
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// src/common/unique_string.cc
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// There's no internal-only interface for LulCommon. Hence include
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// the external interface directly.
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#include "LulCommonExt.h"
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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#include <map>
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namespace lul {
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using std::string;
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////////////////////////////////////////////////////////////////
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// Module
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//
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Module::Module(const string &name, const string &os,
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const string &architecture, const string &id) :
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name_(name),
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os_(os),
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architecture_(architecture),
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id_(id) { }
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Module::~Module() {
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}
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////////////////////////////////////////////////////////////////
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// UniqueString
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//
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class UniqueString {
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public:
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explicit UniqueString(string str) { str_ = strdup(str.c_str()); }
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~UniqueString() { free(reinterpret_cast<void*>(const_cast<char*>(str_))); }
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const char* str_;
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};
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class UniqueStringUniverse {
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public:
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UniqueStringUniverse() {};
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const UniqueString* FindOrCopy(string str) {
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std::map<string, UniqueString*>::iterator it = map_.find(str);
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if (it == map_.end()) {
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UniqueString* ustr = new UniqueString(str);
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map_[str] = ustr;
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return ustr;
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} else {
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return it->second;
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}
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}
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private:
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std::map<string, UniqueString*> map_;
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};
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const UniqueString* ToUniqueString(string str) {
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// For the initialisation of sUniverse to be threadsafe,
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// this relies on C++11's semantics.
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static UniqueStringUniverse sUniverse;
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return sUniverse.FindOrCopy(str);
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}
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const char* const FromUniqueString(const UniqueString* ustr)
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{
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return ustr->str_;
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}
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} // namespace lul
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