tools/profiler/LulCommon.cpp@6474c204b198
tools/profiler/LulCommon.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
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: */
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.
33 // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
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
41 // There's no internal-only interface for LulCommon. Hence include
42 // the external interface directly.
43 #include "LulCommonExt.h"
45 #include <stdlib.h>
46 #include <string.h>
48 #include <string>
49 #include <map>
52 namespace lul {
54 using std::string;
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) { }
66 Module::~Module() {
67 }
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 };
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 };
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 }
105 const char* const FromUniqueString(const UniqueString* ustr)
106 {
107 return ustr->str_;
108 }
110 } // namespace lul
