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comparison: tools/profiler/LulCommon.cpp
tools/profiler/LulCommon.cpp
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |
| 3 | |
| 4 // Copyright (c) 2011, 2013 Google Inc. | |
| 5 // All rights reserved. | |
| 6 // | |
| 7 // Redistribution and use in source and binary forms, with or without | |
| 8 // modification, are permitted provided that the following conditions are | |
| 9 // met: | |
| 10 // | |
| 11 // * Redistributions of source code must retain the above copyright | |
| 12 // notice, this list of conditions and the following disclaimer. | |
| 13 // * Redistributions in binary form must reproduce the above | |
| 14 // copyright notice, this list of conditions and the following disclaimer | |
| 15 // in the documentation and/or other materials provided with the | |
| 16 // distribution. | |
| 17 // * Neither the name of Google Inc. nor the names of its | |
| 18 // contributors may be used to endorse or promote products derived from | |
| 19 // this software without specific prior written permission. | |
| 20 // | |
| 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 32 | |
| 33 // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> | |
| 34 | |
| 35 | |
| 36 // This file is derived from the following files in | |
| 37 // toolkit/crashreporter/google-breakpad: | |
| 38 // src/common/module.cc | |
| 39 // src/common/unique_string.cc | |
| 40 | |
| 41 // There's no internal-only interface for LulCommon. Hence include | |
| 42 // the external interface directly. | |
| 43 #include "LulCommonExt.h" | |
| 44 | |
| 45 #include <stdlib.h> | |
| 46 #include <string.h> | |
| 47 | |
| 48 #include <string> | |
| 49 #include <map> | |
| 50 | |
| 51 | |
| 52 namespace lul { | |
| 53 | |
| 54 using std::string; | |
| 55 | |
| 56 //////////////////////////////////////////////////////////////// | |
| 57 // Module | |
| 58 // | |
| 59 Module::Module(const string &name, const string &os, | |
| 60 const string &architecture, const string &id) : | |
| 61 name_(name), | |
| 62 os_(os), | |
| 63 architecture_(architecture), | |
| 64 id_(id) { } | |
| 65 | |
| 66 Module::~Module() { | |
| 67 } | |
| 68 | |
| 69 | |
| 70 //////////////////////////////////////////////////////////////// | |
| 71 // UniqueString | |
| 72 // | |
| 73 class UniqueString { | |
| 74 public: | |
| 75 UniqueString(string str) { str_ = strdup(str.c_str()); } | |
| 76 ~UniqueString() { free(reinterpret_cast<void*>(const_cast<char*>(str_))); } | |
| 77 const char* str_; | |
| 78 }; | |
| 79 | |
| 80 class UniqueStringUniverse { | |
| 81 public: | |
| 82 UniqueStringUniverse() {}; | |
| 83 const UniqueString* FindOrCopy(string str) { | |
| 84 std::map<string, UniqueString*>::iterator it = map_.find(str); | |
| 85 if (it == map_.end()) { | |
| 86 UniqueString* ustr = new UniqueString(str); | |
| 87 map_[str] = ustr; | |
| 88 return ustr; | |
| 89 } else { | |
| 90 return it->second; | |
| 91 } | |
| 92 } | |
| 93 private: | |
| 94 std::map<string, UniqueString*> map_; | |
| 95 }; | |
| 96 | |
| 97 | |
| 98 const UniqueString* ToUniqueString(string str) { | |
| 99 // For the initialisation of sUniverse to be threadsafe, | |
| 100 // this relies on C++11's semantics. | |
| 101 static UniqueStringUniverse sUniverse; | |
| 102 return sUniverse.FindOrCopy(str); | |
| 103 } | |
| 104 | |
| 105 const char* const FromUniqueString(const UniqueString* ustr) | |
| 106 { | |
| 107 return ustr->str_; | |
| 108 } | |
| 109 | |
| 110 } // namespace lul |
