1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tools/profiler/LulCommon.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,110 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +
1.7 +// Copyright (c) 2011, 2013 Google Inc.
1.8 +// All rights reserved.
1.9 +//
1.10 +// Redistribution and use in source and binary forms, with or without
1.11 +// modification, are permitted provided that the following conditions are
1.12 +// met:
1.13 +//
1.14 +// * Redistributions of source code must retain the above copyright
1.15 +// notice, this list of conditions and the following disclaimer.
1.16 +// * Redistributions in binary form must reproduce the above
1.17 +// copyright notice, this list of conditions and the following disclaimer
1.18 +// in the documentation and/or other materials provided with the
1.19 +// distribution.
1.20 +// * Neither the name of Google Inc. nor the names of its
1.21 +// contributors may be used to endorse or promote products derived from
1.22 +// this software without specific prior written permission.
1.23 +//
1.24 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.25 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.26 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.27 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.28 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.29 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.30 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.31 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.32 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.33 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.34 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.35 +
1.36 +// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
1.37 +
1.38 +
1.39 +// This file is derived from the following files in
1.40 +// toolkit/crashreporter/google-breakpad:
1.41 +// src/common/module.cc
1.42 +// src/common/unique_string.cc
1.43 +
1.44 +// There's no internal-only interface for LulCommon. Hence include
1.45 +// the external interface directly.
1.46 +#include "LulCommonExt.h"
1.47 +
1.48 +#include <stdlib.h>
1.49 +#include <string.h>
1.50 +
1.51 +#include <string>
1.52 +#include <map>
1.53 +
1.54 +
1.55 +namespace lul {
1.56 +
1.57 +using std::string;
1.58 +
1.59 +////////////////////////////////////////////////////////////////
1.60 +// Module
1.61 +//
1.62 +Module::Module(const string &name, const string &os,
1.63 + const string &architecture, const string &id) :
1.64 + name_(name),
1.65 + os_(os),
1.66 + architecture_(architecture),
1.67 + id_(id) { }
1.68 +
1.69 +Module::~Module() {
1.70 +}
1.71 +
1.72 +
1.73 +////////////////////////////////////////////////////////////////
1.74 +// UniqueString
1.75 +//
1.76 +class UniqueString {
1.77 + public:
1.78 + UniqueString(string str) { str_ = strdup(str.c_str()); }
1.79 + ~UniqueString() { free(reinterpret_cast<void*>(const_cast<char*>(str_))); }
1.80 + const char* str_;
1.81 +};
1.82 +
1.83 +class UniqueStringUniverse {
1.84 +public:
1.85 + UniqueStringUniverse() {};
1.86 + const UniqueString* FindOrCopy(string str) {
1.87 + std::map<string, UniqueString*>::iterator it = map_.find(str);
1.88 + if (it == map_.end()) {
1.89 + UniqueString* ustr = new UniqueString(str);
1.90 + map_[str] = ustr;
1.91 + return ustr;
1.92 + } else {
1.93 + return it->second;
1.94 + }
1.95 + }
1.96 +private:
1.97 + std::map<string, UniqueString*> map_;
1.98 +};
1.99 +
1.100 +
1.101 +const UniqueString* ToUniqueString(string str) {
1.102 + // For the initialisation of sUniverse to be threadsafe,
1.103 + // this relies on C++11's semantics.
1.104 + static UniqueStringUniverse sUniverse;
1.105 + return sUniverse.FindOrCopy(str);
1.106 +}
1.107 +
1.108 +const char* const FromUniqueString(const UniqueString* ustr)
1.109 +{
1.110 + return ustr->str_;
1.111 +}
1.112 +
1.113 +} // namespace lul
