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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/05/18 09:30:21 UTC
[30/48] mesos-site git commit: Updated the website built from mesos
SHA: c020a13.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/d7774475/content/api/latest/c++/module_2manager_8hpp_source.html
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</div><!--header-->
<div class="contents">
<a href="module_2manager_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><
span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// d
istributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __MODULE_MANAGER_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __MODULE_MANAGER_HPP__</span></div><div class="l
ine"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <list></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <mutex></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <glog/logging.h></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span cla
ss="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="include_2mesos_2mesos_8hpp.html">mesos/mesos.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="include_2mesos_2module_8hpp.html">mesos/module.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="include_2mesos_2module_2module_8hpp.html">mesos/module/module.hpp</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="owned_8hpp.html">process/owned.hpp</a>></span></div><div class="line"><a name="l00033"><
/a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="stout_2include_2stout_2check_8hpp.html">stout/check.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="dynamiclibrary_8hpp.html">stout/dynamiclibrary.hpp</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="hashmap_8hpp.html">stout/hashmap.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="
code" href="synchronized_8hpp.html">stout/synchronized.hpp</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="messages_8hpp.html">messages/messages.hpp</a>"</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>modules {</div><div class="line"><a name="l00045"></a><span c
lass="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// Mesos module loading.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">//</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// Phases:</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// 1. Load dynamic libraries that contain modules from the Modules</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// instance which may have come from a commandline flag.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// 2. Verify versions and compatibilities.</span>
</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// a) Library compatibility. (Module API version check)</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// b) Module compatibility. (Module Kind version check)</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// 3. Instantiate singleton per module. (happens in the library)</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// 4. Bind reference to use case. (happens in Mesos)</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classmesos_1_1modules_1_1ModuleManager.html"> 59</a></spa
n> <span class="keyword">class </span><a class="code" href="classmesos_1_1modules_1_1ModuleManager.html">ModuleManager</a></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// Loads dynamic libraries, and verifies the compatibility of the</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// modules in them.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">//</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// NOTE: If loading fails at a particular library we don't unload</span></div><div class="line"><a name="l00066"></a><span
class="lineno"> 66</span>  <span class="comment">// all of the already loaded libraries.</span></div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classmesos_1_1modules_1_1ModuleManager.html#a3bb2245ab8a00d294fc352f96158ef6e"> 67</a></span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="classmesos_1_1modules_1_1ModuleManager.html#a3bb2245ab8a00d294fc352f96158ef6e">load</a>(<span class="keyword">const</span> Modules& modules)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> loadManifest(modules);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name=
"l00072"></a><span class="lineno"> 72</span>  <span class="comment">// NOTE: If loading fails at a particular library we don't unload</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// all of the already loaded libraries.</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="classmesos_1_1modules_1_1ModuleManager.html#a3bb2245ab8a00d294fc352f96158ef6e">load</a>(<span class="keyword">const</span> std::string& modulesDir);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// create() should be called only after load().</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <sp
an class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classmesos_1_1modules_1_1ModuleManager.html#a0ab072c60a3c002765c843bdb6eafed4"> 78</a></span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<T*></a> <a class="code" href="classmesos_1_1modules_1_1ModuleManager.html#a0ab072c60a3c002765c843bdb6eafed4">create</a>(</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> std::string& moduleName,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<Parameters></a>& params = <a class="code" href="structNone.html">None</a>())</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div><div class="line"
><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">synchronized</span> (mutex) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (!moduleBases.contains(moduleName)) {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="stringliteral">"Module '"</span> + moduleName + <span class="stringliteral">"' unknown"</span>);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="structmesos_1_1mo
dules_1_1Module.html">Module<T></a>* module = (<a class="code" href="structmesos_1_1modules_1_1Module.html">Module<T></a>*) moduleBases[moduleName];</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (module->create == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="stringliteral">"Error creating module instance for '"</span> + moduleName + <span class="stringliteral">"': "</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="stringliteral">"create() method not found"</span>);</div><div class="line"><a name="l00093"></a><
span class="lineno"> 93</span>  }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  std::string expectedKind = kind<T>();</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (expectedKind != module->kind) {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="stringliteral">"Error creating module instance for '"</span> + moduleName + <span class="stringliteral">"': "</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="stringliteral">"module is
of kind '"</span> + module->kind + <span class="stringliteral">"', but the requested "</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="stringliteral">"kind is '"</span> + expectedKind + <span class="stringliteral">"'"</span>);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  T* instance =</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  module->create(</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  params.isSome() ? params.get() : moduleParameters[moduleName]);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="
keywordflow">if</span> (instance == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Error creating Module instance for '"</span> + moduleName + <span class="stringliteral">"'"</span>);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> instance;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span cl
ass="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classmesos_1_1modules_1_1ModuleManager.html#a7f8ba7f0638cf5b05dc31ec3a0bf0e47"> 114</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmesos_1_1modules_1_1ModuleManager.html#a7f8ba7f0638cf5b05dc31ec3a0bf0e47">contains</a>(<span class="keyword">const</span> std::string& moduleName)</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">synchronized</span> (mutex) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> (moduleBases.contains(moduleName) &&</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>
  moduleBases[moduleName]->kind == <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(kind<T>()));</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Returns all module names that have been loaded that implement the</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// specified interface 'T'. For example:</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">//</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">//
std::vector<std::string> modules = ModuleManager::find<Hook>();</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">//</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// Will return all of the module names for modules that implement</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// the Isolator interface.</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="classmesos_1_1modules_1_1ModuleManager.html#a0d96d6d1cc268698b11db2fabcf2f9e3"> 130</a></span>  <span class="keyword">static</span> std::vector<std::string> <a class="code" href="classmesos_1_1modules_1_1
ModuleManager.html#a0d96d6d1cc268698b11db2fabcf2f9e3">find</a>()</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::vector<std::string> names;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">synchronized</span> (mutex) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="foreach_8hpp.html#a66900b166526abe66464d6597536b111">foreachpair</a> (<span class="keyword">const</span> std::string& <a class="code" href="namespaceos_1_1Shell.html#acfe16ef2b1146ad49a8651c0a457ce46">name</a>, <a class="code" href="structmesos_1_1modules_1_1ModuleBase.html">ModuleBase</a>* <a class="code" href="namespaceprocess.html#a373bd5e2bd8f2694e4589293af477854">base</a>, m
oduleBases) {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (base-><a class="code" href="structmesos_1_1modules_1_1ModuleBase.html#af37d32c0c7e7964c8e2368f4224ce0b4">kind</a> == <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(kind<T>())) {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  names.push_back(name);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> names;</div><div class="lin
e"><a name="l00143"></a><span class="lineno"> 143</span>  }</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// Exposed just for testing so that we can unload a given</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// module and remove it from the list of ModuleBases.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="classmesos_1_1modules_1_1ModuleManager.html#ad2d7eb58b991c00d8389287814e06fe4">unload</a>(<span class="keyword">const</span> std::string& moduleName);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno
"> 149</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> initialize();</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<Nothing></a> loadManifest(<span class="keyword">const</span> Modules& modules);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<Nothing></a> verifyModule(</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> std::string& moduleName
,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">const</span> <a class="code" href="structmesos_1_1modules_1_1ModuleBase.html">ModuleBase</a>* moduleBase);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Allow multiple calls to `load()` by verifying that the modules with same</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// name are indeed identical. Thus, multiple loadings of a module manifest</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// are harmless.</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">static</span> <a class="code" href="classTry.html">Try<Nothing></a> ve
rifyIdenticalModule(</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> std::string& libraryName,</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">const</span> Modules::Library::Module& module,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <a class="code" href="structmesos_1_1modules_1_1ModuleBase.html">ModuleBase</a>* <a class="code" href="namespaceprocess.html#a373bd5e2bd8f2694e4589293af477854">base</a>);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">static</span> std::mutex mutex;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="l
ineno"> 168</span>  <span class="keyword">static</span> <a class="code" href="classhashmap.html">hashmap<std::string, std::string></a> kindToVersion;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// Mapping from "module name" to the actual ModuleBase. If two</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// modules from different libraries have the same name then the last</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// one specified in the protobuf Modules will be picked.</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">static</span> <a class="code" href="classhashmap.html">hashmap<std::string, ModuleBase*></a> mod
uleBases;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Module-specific command-line parameters.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">static</span> <a class="code" href="classhashmap.html">hashmap<std::string, Parameters></a> moduleParameters;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// A list of dynamic libraries to keep the object from getting</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// destructed.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// NOTE: We do leak loade
d dynamic libraries. This is to allow</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// modules to make use of e.g., libprocess which otherwise could</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// lead to situations where libprocess (which we depend on ourself)</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// is unloaded before the destructor of below `static` is called.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// Unloading the dynamic library could then lead to the linker</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// attempting to unload the libprocess loaded from the module which</span></div><div class="line"><a name="l00186"></a><span cl
ass="lineno"> 186</span>  <span class="comment">// is not there anymore.</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">static</span> <a class="code" href="classhashmap.html">hashmap<std::string, DynamicLibrary*></a> dynamicLibraries;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// Module to library name mapping.</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">static</span> <a class="code" href="classhashmap.html">hashmap<std::string, std::string></a> moduleLibraries;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> };</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span class=
"lineno"> 193</span> } <span class="comment">// namespace modules {</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> } <span class="comment">// namespace mesos {</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor">#endif // __MODULE_MANAGER_HPP__</span></div><div class="ttc" id="synchronized_8hpp_html"><div class="ttname"><a href="synchronized_8hpp.html">synchronized.hpp</a></div></div>
-<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div>
+<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:36</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option</a></div><div class="ttdef"><b>Definition:</b> option.hpp:28</div></div>
<div class="ttc" id="classmesos_1_1modules_1_1ModuleManager_html_a7f8ba7f0638cf5b05dc31ec3a0bf0e47"><div class="ttname"><a href="classmesos_1_1modules_1_1ModuleManager.html#a7f8ba7f0638cf5b05dc31ec3a0bf0e47">mesos::modules::ModuleManager::contains</a></div><div class="ttdeci">static bool contains(const std::string &moduleName)</div><div class="ttdef"><b>Definition:</b> manager.hpp:114</div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> check.hpp:33</div></div>
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/d7774475/content/api/latest/c++/net__cls_8hpp_source.html
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<div class="ttc" id="namespacecgroups_html_aceb245d6ea6362ac1c2b1247556179d6"><div class="ttname"><a href="namespacecgroups.html#aceb245d6ea6362ac1c2b1247556179d6">cgroups::isolate</a></div><div class="ttdeci">Try< Nothing > isolate(const std::string &hierarchy, const std::string &cgroup, pid_t pid)</div></div>
<div class="ttc" id="structmesos_1_1internal_1_1slave_1_1NetClsHandle_html_a3baa5f9ce5dbfc3a0eb7fbdec6fa1a29"><div class="ttname"><a href="structmesos_1_1internal_1_1slave_1_1NetClsHandle.html#a3baa5f9ce5dbfc3a0eb7fbdec6fa1a29">mesos::internal::slave::NetClsHandle::NetClsHandle</a></div><div class="ttdeci">NetClsHandle(uint16_t _primary, uint16_t _secondary)</div><div class="ttdef"><b>Definition:</b> net_cls.hpp:58</div></div>
<div class="ttc" id="resources_8hpp_html"><div class="ttname"><a href="resources_8hpp.html">resources.hpp</a></div></div>
-<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div>
+<div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:36</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option< uint16_t ></a></div></div>
<div class="ttc" id="src_2slave_2containerizer_2mesos_2isolators_2cgroups_2constants_8hpp_html"><div class="ttname"><a href="src_2slave_2containerizer_2mesos_2isolators_2cgroups_2constants_8hpp.html">constants.hpp</a></div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1slave_html_acc816a5f127bb40e7d5464befda0a0a9"><div class="ttname"><a href="namespacemesos_1_1internal_1_1slave.html#acc816a5f127bb40e7d5464befda0a0a9">mesos::internal::slave::operator<<</a></div><div class="ttdeci">std::ostream & operator<<(std::ostream &stream, const MesosContainerizerProcess::State &state)</div></div>
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/d7774475/content/api/latest/c++/numify_8hpp_source.html
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<div class="title">numify.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="numify_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span>
</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line
"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_NUMIFY_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_NUMIFY_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <sstream></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/lexical_cast.hpp></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l0
0021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="error_8hpp.html">error.hpp</a>"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="none_8hpp.html">none.hpp</a>"</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="option_8hpp.html">option.hpp</a>"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="result_8hpp.html">result.hpp</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="strings_8hpp.html">strings.hpp</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26
</span> <span class="preprocessor">#include "<a class="code" href="try_8hpp.html">try.hpp</a>"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681"> 29</a></span> <a class="code" href="classTry.html">Try<T></a> <a class="code" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681">numify</a>(<span class="keyword">const</span> std::string& s)</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">// Since even with a `0x` prefix `boost::lexical_cast` cannot always</span></div
><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// cast all hexadecimal numbers on all platforms (parsing of some</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">// floating point literals seems to work e.g., on macOS, but fails on</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// some Linuxes), we have to workaround this issue here. We also</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// process negative hexadecimal numbers `-0x` here to keep it</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">// consistent with non-hexadecimal numbers.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">bool</span> m
aybeHex = <span class="keyword">false</span>;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"0x"</span>) || <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"0X"</span>) ||</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"-0x"</span>) || <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"-0X"</span>)) {</div><div clas
s="line"><a name="l00041"></a><span class="lineno"> 41</span>  maybeHex = <span class="keyword">true</span>;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// We disallow hexadecimal floating point numbers.</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444">strings::contains</a>(s, <span class="stringliteral">"."</span>) || <a class="code" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444">strings::contains</a>(s, <span class="stringliteral">"p"</span>)) {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class
="stringliteral">"Failed to convert '"</span> + s + <span class="stringliteral">"' to number"</span>);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> boost::lexical_cast<T>(s);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> boost::bad_lexical_cast&) {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// Try to parse hex
adecimal numbers by hand if `boost::lexical_cast` failed.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (maybeHex) {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  T result;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  std::stringstream ss;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Process negative hexadecimal numbers.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"-"</span>)) {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  ss << std::hex << s.substr(1);</div><di
v class="line"><a name="l00059"></a><span class="lineno"> 59</span>  ss >> result;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// NOTE: Negating `result` is safe even if `T` is an unsigned</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// integer type, because the C++ standard defines the result</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// to be modulo 2^n in that case.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">//</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// numify<T>("-1") == std::numeric_limits<T>::max();</span></div><div class="line"><a name="l00065"></a><span class
="lineno"> 65</span>  <span class="comment">//</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Disabled unary negation warning for all types.</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#ifdef __WINDOWS__</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#pragma warning(disable:4146)</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  result = -result;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#ifdef __WINDOWS__</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocesso
r">#pragma warning(default:4146)</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  ss << std::hex << s;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  ss >> result;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Make sure we really hit the end of the string.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (!ss.fail() && ss.eof()) {</div><div class="line"><a name="l00080"></a><spa
n class="lineno"> 80</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to convert '"</span> + s + <span class="stringliteral">"' to number"</span>);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno">
88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="numify_8hpp.html#a59b1d5f427c671cff74388396af9f6f6"> 90</a></span> <a class="code" href="classTry.html">Try<T></a> <a class="code" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681">numify</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> numify<T>(std::string(s));</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line">
<a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="numify_8hpp.html#aa210fa1a1b3c16842ffbea356b35cafd"> 97</a></span> <a class="code" href="classResult.html">Result<T></a> <a class="code" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681">numify</a>(<span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& s)</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (s.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00100"></a><span
class="lineno"> 100</span>  <a class="code" href="classTry.html">Try<T></a> t = numify<T>(s.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>()) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> t.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>();</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">re
turn</span> <a class="code" href="classError.html">Error</a>(t.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#endif // __STOUT_NUMIFY_HPP__</span></div><div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</
a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:35</div></div>
+<a href="numify_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span>
</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line
"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __STOUT_NUMIFY_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_NUMIFY_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <sstream></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/lexical_cast.hpp></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l0
0021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="error_8hpp.html">error.hpp</a>"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="none_8hpp.html">none.hpp</a>"</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="option_8hpp.html">option.hpp</a>"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="result_8hpp.html">result.hpp</a>"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "<a class="code" href="strings_8hpp.html">strings.hpp</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26
</span> <span class="preprocessor">#include "<a class="code" href="try_8hpp.html">try.hpp</a>"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681"> 29</a></span> <a class="code" href="classTry.html">Try<T></a> <a class="code" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681">numify</a>(<span class="keyword">const</span> std::string& s)</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">// Since even with a `0x` prefix `boost::lexical_cast` cannot always</span></div
><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// cast all hexadecimal numbers on all platforms (parsing of some</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">// floating point literals seems to work e.g., on macOS, but fails on</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// some Linuxes), we have to workaround this issue here. We also</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// process negative hexadecimal numbers `-0x` here to keep it</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">// consistent with non-hexadecimal numbers.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">bool</span> m
aybeHex = <span class="keyword">false</span>;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"0x"</span>) || <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"0X"</span>) ||</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"-0x"</span>) || <a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"-0X"</span>)) {</div><div clas
s="line"><a name="l00041"></a><span class="lineno"> 41</span>  maybeHex = <span class="keyword">true</span>;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// We disallow hexadecimal floating point numbers.</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444">strings::contains</a>(s, <span class="stringliteral">"."</span>) || <a class="code" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444">strings::contains</a>(s, <span class="stringliteral">"p"</span>)) {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class
="stringliteral">"Failed to convert '"</span> + s + <span class="stringliteral">"' to number"</span>);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> boost::lexical_cast<T>(s);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  } <span class="keywordflow">catch</span> (<span class="keyword">const</span> boost::bad_lexical_cast&) {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// Try to parse hex
adecimal numbers by hand if `boost::lexical_cast` failed.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (maybeHex) {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  T result;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  std::stringstream ss;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Process negative hexadecimal numbers.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacestrings.html#aa5513faacb213c7e097c0d43af43d9c7">strings::startsWith</a>(s, <span class="stringliteral">"-"</span>)) {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  ss << std::hex << s.substr(1);</div><di
v class="line"><a name="l00059"></a><span class="lineno"> 59</span>  ss >> result;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// NOTE: Negating `result` is safe even if `T` is an unsigned</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// integer type, because the C++ standard defines the result</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// to be modulo 2^n in that case.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">//</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// numify<T>("-1") == std::numeric_limits<T>::max();</span></div><div class="line"><a name="l00065"></a><span class
="lineno"> 65</span>  <span class="comment">//</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Disabled unary negation warning for all types.</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#ifdef __WINDOWS__</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#pragma warning(disable:4146)</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  result = -result;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#ifdef __WINDOWS__</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocesso
r">#pragma warning(default:4146)</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  ss << std::hex << s;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  ss >> result;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Make sure we really hit the end of the string.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (!ss.fail() && ss.eof()) {</div><div class="line"><a name="l00080"></a><spa
n class="lineno"> 80</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to convert '"</span> + s + <span class="stringliteral">"' to number"</span>);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno">
88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="numify_8hpp.html#a59b1d5f427c671cff74388396af9f6f6"> 90</a></span> <a class="code" href="classTry.html">Try<T></a> <a class="code" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681">numify</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> numify<T>(std::string(s));</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line">
<a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="numify_8hpp.html#aa210fa1a1b3c16842ffbea356b35cafd"> 97</a></span> <a class="code" href="classResult.html">Result<T></a> <a class="code" href="numify_8hpp.html#a1ada38a2bf3389b131c6f50042634681">numify</a>(<span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& s)</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (s.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00100"></a><span
class="lineno"> 100</span>  <a class="code" href="classTry.html">Try<T></a> t = numify<T>(s.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>()) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> t.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>();</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">re
turn</span> <a class="code" href="classError.html">Error</a>(t.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#endif // __STOUT_NUMIFY_HPP__</span></div><div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</
a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:36</div></div>
<div class="ttc" id="classOption_html"><div class="ttname"><a href="classOption.html">Option< std::string ></a></div></div>
<div class="ttc" id="classTry_html_a8bc7f43e75a47111ea18e9c83b007be5"><div class="ttname"><a href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">Try::get</a></div><div class="ttdeci">T & get()&</div><div class="ttdef"><b>Definition:</b> try.hpp:73</div></div>
<div class="ttc" id="classTry_html"><div class="ttname"><a href="classTry.html">Try</a></div><div class="ttdef"><b>Definition:</b> check.hpp:33</div></div>