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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/04/22 20:45:10 UTC
[6/9] mesos-site git commit: Updated the website built from mesos
SHA: 2d7b7ef.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/51924555/content/api/latest/c++/json_8hpp_source.html
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<div class="title">json.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="json_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_JSON__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_JSON__</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="comment">// NOTE: This undef is necessary because we cannot reliably re-order the</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// include statements in all cases. We define this flag globally since</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// PicoJson requires it before importing <inttypes.h>. However, other</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="co
mment">// libraries may import <inttypes.h> before we import <picojson.h>.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// Hence, we undefine the flag here to prevent the redefinition error.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#undef __STDC_FORMAT_MACROS</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <picojson.h></span></div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="json_8hpp.html#aacbb9e1f38be71e22df1584a37c56693"> 23</a></span> <span class="preprocessor">#define __STDC_FORMAT_MACROS</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 <i
omanip></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <iostream></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><
span class="lineno"> 33</span> <span class="preprocessor">#include <boost/variant.hpp></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</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="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="foreach_8hpp.html">stout/foreach.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="jsonify_8hpp.html">stout/jsonify.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="numify_8hpp.html">stout/numify.hpp</a>></span></
div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="result_8hpp.html">stout/result.hpp</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="strings_8hpp.html">stout/strings.hpp</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="unreachable_8hpp.html">stout/unreachable.hpp</a>></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// TODO(benh): Replace
the use of boost::variant here with our wrapper</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// `Variant`.</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"><a class="line" href="namespaceJSON.html"> 47</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceJSON.html">JSON</a> {</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="comment">// Implementation of the JavaScript Object Notation (JSON) grammar</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// using boost::variant. We explicitly define each "type" of the</span></div><div class="line"><a name="l00051"></a><span class="line
no"> 51</span> <span class="comment">// grammar, including 'true' (json::True), 'false' (json::False), and</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// 'null' (json::Null), for clarity and also because boost::variant</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// "picks" the wrong type when we try and use std::string, long (or</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// int), double (or float), and bool all in the same variant (while it</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// does work with explicit casts, it seemed bad style to force people</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// to put th
ose casts in place). We could have avoided using</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// json::String or json::Number and just used std::string and double</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// respectively, but we choose to include them for completeness</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// (although, this does pay a 2x cost when compiling thanks to all the</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// extra template instantiations).</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// Note that all of these forward declarations are not necessary<
/span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// but it serves to document the set of types which are available.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1String.html">String</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Number.html">Number</a>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Object.html">Object</a>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Array.html">Array</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span clas
s="keyword">struct </span><a class="code" href="structJSON_1_1True.html">True</a>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1False.html">False</a>;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Boolean.html">Boolean</a>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Null.html">Null</a>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Value.html">Value</a>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="
l00075"></a><span class="lineno"><a class="line" href="structJSON_1_1String.html"> 75</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1String.html">String</a></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="structJSON_1_1String.html#a7be21f307ea1e322a19a23da1b35afb4"> 77</a></span>  <a class="code" href="structJSON_1_1String.html#a7be21f307ea1e322a19a23da1b35afb4">String</a>() {}</div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="structJSON_1_1String.html#ab8f3991c166dfd0e7761a8cfc733f4a2"> 78</a></span>  <a class="code" href="structJSON_1_1String.html#ab8f3991c166dfd0e7761a8cfc733f4a2">String</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* _value) : <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a
>(_value) {}</div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="structJSON_1_1String.html#ab868bcf5be8276c353b0e218817c39a1"> 79</a></span>  <a class="code" href="structJSON_1_1String.html#ab868bcf5be8276c353b0e218817c39a1">String</a>(<span class="keyword">const</span> std::string& _value) : <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>(_value) {}</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75"> 80</a></span>  std::string <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</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> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="lin
e"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment">// NOTE: Due to how PicoJson parses unsigned integers, a roundtrip from Number</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// to JSON and back to Number will result in:</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// - a signed integer, if the value is less than or equal to INT64_MAX;</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">// - or a double, if the value is greater than INT64_MAX.</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">// See: https://github.com/kazuho/picojson/blob/rel/v1.3.0/picojson.h#L777-L781</span></div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html"> 8
9</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Number.html">Number</a></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#ac8e8299eb0b627136b6fc51b3cee709c"> 91</a></span>  <a class="code" href="structJSON_1_1Number.html#ac8e8299eb0b627136b6fc51b3cee709c">Number</a>() : <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>(0) {}</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#ae2408d078068d8ac8e310d7eba6fced6"> 94</a></span>  <a
class="code" href="structJSON_1_1Number.html#ae2408d078068d8ac8e310d7eba6fced6">Number</a>(</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  T _value,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">typename</span> std::enable_if<std::is_floating_point<T>::value, <span class="keywordtype">int</span>>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a> = 0)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  : <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>(FLOATING), <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>(_value) {}</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="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a64361b5b1c34e311ab9407cbc6ccb136"> 100</a></span>  <a class="code" href="structJSON_1_1Number.html#a64361b5b1c34e311ab9407cbc6ccb136">Number</a>(</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  T _value,</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">typename</span> std::enable_if<</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  std::is_integral<T>::value && std::is_signed<T>::value,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">int</span>>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776
487fba">type</a> = 0)</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  : <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>(SIGNED_INTEGER), signed_integer(_value) {}</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>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a2d64671419def7448cd5540032458ca4"> 108</a></span>  <a class="code" href="structJSON_1_1Number.html#a2d64671419def7448cd5540032458ca4">Number</a>(</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  T _value,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">typenam
e</span> std::enable_if<</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  std::is_integral<T>::value && std::is_unsigned<T>::value,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">int</span>>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a> = 0)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  : <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>(UNSIGNED_INTEGER), unsigned_integer(_value) {}</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00116"></a><span class="li
neno"><a class="line" href="structJSON_1_1Number.html#a56cb07aeff197c76b03798cd5f25c347"> 116</a></span>  T <a class="code" href="structJSON_1_1Number.html#a56cb07aeff197c76b03798cd5f25c347">as</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">switch</span> (<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">case</span> FLOATING:</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(<a class="code" href="structJSON_1_1String.html#a6d61cfa2
a10f02133833eaaf23b87e75">value</a>);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">case</span> SIGNED_INTEGER:</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(signed_integer);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">case</span> UNSIGNED_INTEGER:</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>T<span class="keyword">></span>(unsigned_integer);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// NOTE: By not sett
ing a default we leverage the compiler</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// errors when the enumeration is augmented to find all</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// the cases we need to provide.</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="unreachable_8hpp.html#a0bc63b24b654ca433be7b97a3edde132">UNREACHABLE</a>();</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="structJSON
_1_1Number.html#a156598d70937964dd8de2628351061aa"> 134</a></span>  <span class="keyword">enum</span> <a class="code" href="structJSON_1_1Number.html#a156598d70937964dd8de2628351061aa">Type</a></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  {</div><div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a156598d70937964dd8de2628351061aaa15d4a11f594d4d3acf0914c4d5f8728e"> 136</a></span>  <a class="code" href="structJSON_1_1Number.html#a156598d70937964dd8de2628351061aaa15d4a11f594d4d3acf0914c4d5f8728e">FLOATING</a>,</div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a156598d70937964dd8de2628351061aaac9c83af02af694c57497b0f1414b0779"> 137</a></span>  <a class="code" href="structJSON_1_1Number.html#a156598d70937964dd8de2628351061aaac9c83af02af694c57497b0f1414b0779">SIGNED_INTEGER</a>,</div><div class="line"><a nam
e="l00138"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a156598d70937964dd8de2628351061aaa0ce531160156e5c4aecfabc42df3b68a"> 138</a></span>  <a class="code" href="structJSON_1_1Number.html#a156598d70937964dd8de2628351061aaa0ce531160156e5c4aecfabc42df3b68a">UNSIGNED_INTEGER</a>,</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  } <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>;</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> <span class="keyword">private</span>:</div><div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a96b2f5470f159e2b54d22353cff02d07"> 142</a></span>  <span class="keyword">friend</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Valu
e.html">Value</a>;</div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a842f3ad268690105ab512b130946fd78"> 143</a></span>  <span class="keyword">friend</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Comparator.html">Comparator</a>;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">friend</span> <span class="keywordtype">void</span> <a class="code" href="namespaceJSON.html#a5f2a30cce4a3588399437c8cb8bdd4a2">json</a>(<a class="code" href="classJSON_1_1NumberWriter.html">NumberWriter</a>* writer, <span class="keyword">const</span> <a class="code" href="structJSON_1_1Number.html">Number</a>& number);</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">union </span>{</div><div class="line"><a
name="l00147"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a86aa5dcfb3d8a8d87e562c50e7380d26"> 147</a></span>  <span class="keywordtype">double</span> <a class="code" href="structJSON_1_1Number.html#a86aa5dcfb3d8a8d87e562c50e7380d26">value</a>;</div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a1ef5b2f34492821aec7eae82da8366b7"> 148</a></span>  int64_t <a class="code" href="structJSON_1_1Number.html#a1ef5b2f34492821aec7eae82da8366b7">signed_integer</a>;</div><div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="structJSON_1_1Number.html#a9c6b075f53b5419af9cee264482272eb"> 149</a></span>  uint64_t <a class="code" href="structJSON_1_1Number.html#a9c6b075f53b5419af9cee264482272eb">unsigned_integer</a>;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  };</div><div class="line"><a name="l00151"></a><span clas
s="lineno"> 151</span> };</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="structJSON_1_1Object.html"> 154</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Object.html">Object</a></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="structJSON_1_1Object.html">Object</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="structJSON_1_1Object.html#a56fa2fa5d2db7ad671a1bb92a0f5ba64"> 158</a></span>  <a class="code" href="structJSON_
1_1Object.html#a56fa2fa5d2db7ad671a1bb92a0f5ba64">Object</a>(std::initializer_list<std::pair<const std::string, Value>> values_)</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  : values(values_) {}</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="comment">// Returns the JSON value (specified by the type) given a "path"</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// into the structure, for example:</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">//</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// Result<JSON::Array> array = object.find<JSON::Array>("nested.array[0]");</
span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">//</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Will return 'None' if no field could be found called 'array'</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// within a field called 'nested' of 'object' (where 'nested' must</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// also be a JSON object).</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">//</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// For 'null' field values, this will return 'Some(Null())' when</span></div><div class="line"
><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// looking for a matching type ('Null' or 'Value'). If looking for</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// any other type (e.g. 'String', 'Object', etc), this will return</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// 'None' as if the field is not present at all.</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">//</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Returns an error if a JSON value of the wrong type is found, or</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// an intermediate JSON value is not an object th
at we can do a</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// recursive find on.</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classResult.html">Result<T></a> <a class="code" href="namespaceos.html#a965c9c19022c17c26fc5720f718e6c1a">find</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>) <span class="keyword">const</span>;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// Returns the JSON value by indexing this object with the key. Unlike</span></div><div class="line"><a name=
"l00182"></a><span class="lineno"> 182</span>  <span class="comment">// find(), the key is not a path into the JSON structure, it is just</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// a JSON object key name.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">//</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// Returns 'None' if there key doesn't exist, or an error if a JSON</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// value of the wrong type is found.</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00188"></a><span class="lineno"> 188<
/span>  <a class="code" href="classResult.html">Result<T></a> at(<span class="keyword">const</span> std::string& key) <span class="keyword">const</span>;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="structJSON_1_1Object.html#a41bbf967d564eb3f57c2bb5453a0e7af"> 190</a></span>  std::map<std::string, Value> <a class="code" href="structJSON_1_1Object.html#a41bbf967d564eb3f57c2bb5453a0e7af">values</a>;</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> </div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="structJSON_1_1Array.html"> 194</a></span> <span class="keyword">struct </span><a class="code"
href="structJSON_1_1Array.html">Array</a></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>  <a class="code" href="structJSON_1_1Array.html">Array</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="structJSON_1_1Array.html#af20012ae35cf58af1dd684b8dd6f1c9f"> 197</a></span>  <a class="code" href="structJSON_1_1Array.html#af20012ae35cf58af1dd684b8dd6f1c9f">Array</a>(std::initializer_list<Value> values_) : values(values_) {}</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="structJSON_1_1Array.html#aed41033b7cd6a2c2e7dcc6f0c48a4563"> 199</a></span>  std::vector<Value> <a class="code" href="structJSON_1_1Array.html#aed41033b7cd6a2c2e7dcc6f0c
48a4563">values</a>;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> };</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="structJSON_1_1Boolean.html"> 203</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Boolean.html">Boolean</a></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> {</div><div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="structJSON_1_1Boolean.html#a1395e123b1ff4d601297f934ed4432e6"> 205</a></span>  <a class="code" href="structJSON_1_1Boolean.html#a1395e123b1ff4d601297f934ed4432e6">Boolean</a>() : <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>(false) {}</div><div class="line"><a
name="l00206"></a><span class="lineno"><a class="line" href="structJSON_1_1Boolean.html#a83f0710fd160c30d51060073cb8fffe6"> 206</a></span>  <a class="code" href="structJSON_1_1Boolean.html#a83f0710fd160c30d51060073cb8fffe6">Boolean</a>(<span class="keywordtype">bool</span> _value) : <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>(_value) {}</div><div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="structJSON_1_1Boolean.html#a6281b906fcdec8d438cf7460d5364342"> 207</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structJSON_1_1Boolean.html#a6281b906fcdec8d438cf7460d5364342">value</a>;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> };</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></
a><span class="lineno"> 211</span> <span class="comment">// This is a helper so you can say JSON::True() instead of</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment">// JSON::Boolean(true).</span></div><div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="structJSON_1_1True.html"> 213</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1True.html">True</a> : <a class="code" href="structJSON_1_1Boolean.html">Boolean</a></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> {</div><div class="line"><a name="l00215"></a><span class="lineno"><a class="line" href="structJSON_1_1True.html#a693416cf2752a94e192f6476302b58a3"> 215</a></span>  <a class="code" href="structJSON_1_1True.html#a693416cf2752a94e192f6476302b58a3">True</a>() : <a class="code" href="structJSON_1_1Boolean.html">Boolean</a>(true) {}</div><div class="line"
><a name="l00216"></a><span class="lineno"> 216</span> };</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// This is a helper so you can say JSON::False() instead of</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// JSON::Boolean(false).</span></div><div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="structJSON_1_1False.html"> 221</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1False.html">False</a> : <a class="code" href="structJSON_1_1Boolean.html">Boolean</a></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> {</div><div class="line"><a name="l00223"></a><span class="lineno"><a class="lin
e" href="structJSON_1_1False.html#a2e53f5e63e4bacc57ed7b08bb199ca53"> 223</a></span>  <a class="code" href="structJSON_1_1False.html#a2e53f5e63e4bacc57ed7b08bb199ca53">False</a>() : <a class="code" href="structJSON_1_1Boolean.html">Boolean</a>(false) {}</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> };</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="structJSON_1_1Null.html"> 227</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Null.html">Null</a> {};</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div><div class="line"><a name="l00230"></a><span class="lineno"><a class="line" hre
f="namespaceJSON_1_1internal.html"> 230</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment">// Null needs to be first so that it is the default value.</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="keyword">typedef</span> boost::variant<<a class="code" href="structJSON_1_1Null.html">Null</a>,</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="structJSON_1_1String.html#a7be21f307ea1e322a19a23da1b35afb4">String</a>,</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="structJSON_1_1Number.html">Number</a>,</div><div class="line"
><a name="l00236"></a><span class="lineno"> 236</span>  boost::recursive_wrapper<Object>,</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  boost::recursive_wrapper<Array>,</div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="namespaceJSON_1_1internal.html#a58dc8f8bff210c8a5e76792d72f31c10"> 238</a></span>  <a class="code" href="structJSON_1_1Boolean.html">Boolean</a>> <a class="code" href="namespaceJSON_1_1internal.html#a58dc8f8bff210c8a5e76792d72f31c10">Variant</a>;</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> } <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="
lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html"> 243</a></span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Value.html">Value</a> : <a class="code" href="namespaceJSON_1_1internal.html#a58dc8f8bff210c8a5e76792d72f31c10">internal::Variant</a></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// Empty constructor gets the variant default.</span></div><div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a3bff04934861140009f82b481019726b"> 246</a></span>  <a class="code" href="structJSON_1_1Value.html#a3bff04934861140009f82b481019726b">Value</a>() {}</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div><div class="line"><a name=
"l00248"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a5e0c2536746e22b71bb3be5883b49c78"> 248</a></span>  <a class="code" href="structJSON_1_1Value.html#a5e0c2536746e22b71bb3be5883b49c78">Value</a>(<span class="keywordtype">bool</span> <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>) : <a class="code" href="namespaceinternal.html">internal</a>::<a class="code" href="classVariant.html">Variant</a>(<a class="code" href="namespaceJSON.html">JSON</a>::<a class="code" href="structJSON_1_1Boolean.html">Boolean</a>(value)) {}</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#adb495699a2d837cc49218b64b342e2bf"> 250</a></span>  <a class="code" href="structJSON_1_1Value.html#adb495699a2d837cc49218b64b342e2bf">Value</a>(<span class="keywordtype">char</span>* <a clas
s="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>) : <a class="code" href="namespaceinternal.html">internal</a>::<a class="code" href="classVariant.html">Variant</a>(<a class="code" href="namespaceJSON.html">JSON</a>::<a class="code" href="structJSON_1_1String.html">String</a>(value)) {}</div><div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#ad06301ec9da0f0a4713556214b7ce43a"> 251</a></span>  <a class="code" href="structJSON_1_1Value.html#ad06301ec9da0f0a4713556214b7ce43a">Value</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>) : <a class="code" href="namespaceinternal.html">internal</a>::<a class="code" href="classVariant.html">Variant</a>(<a class="code" href="namespaceJSON.html">JSON</a>::<a class="code" href="structJSON_1_1String.html">String</a>(value)) {}</di
v><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// Arithmetic types are specifically routed through Number because</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// there would be ambiguity between JSON::Bool and JSON::Number</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// otherwise.</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00257"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#ab05d7584e0a89ecc8a16d0670d3a84b7"> 257</a></span>  <a class="code" href="structJSON_1_1Value.html#ab05d7584e0a89ecc8a16d0670d3a84b7">Value
</a>(</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">const</span> T& <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>,</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">typename</span> std::enable_if<std::is_arithmetic<T>::value, <span class="keywordtype">int</span>>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a> = 0)</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  : <a class="code" href="namespaceinternal.html">internal</a>::<a class="code" href="classVariant.html">Variant</a>(<a class="code" href="structJSON_1_1Number.html">Number</a>(value)) {}</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>
  <span class="comment">// Non-arithmetic types are passed to the default constructor of</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// Variant.</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a5abc35ec4e68f25a9d5ba801469caaa9"> 265</a></span>  <a class="code" href="structJSON_1_1Value.html#a5abc35ec4e68f25a9d5ba801469caaa9">Value</a>(</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span> T& <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>,</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword
">typename</span> std::enable_if<!std::is_arithmetic<T>::value, <span class="keywordtype">int</span>>::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a> = 0)</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  : <a class="code" href="namespaceinternal.html">internal</a>::<a class="code" href="classVariant.html">Variant</a>(value) {}</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">bool</span> is() <span class="keyword">const</span>;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="l
ineno"> 273</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">const</span> T& as() <span class="keyword">const</span>;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="comment">// Returns true if and only if 'other' is contained by 'this'.</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">// 'Other' is contained by 'this' if the following conditions are</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// fulfilled:</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// 1. If
'other' is a JSON object, then 'this' is also a JSON</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// object, all keys of 'other' are also present in 'this' and</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// the value for each key in 'this' also contain the value for</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// the same key in 'other', i.e. for all keys 'k' in 'other',</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// 'this[k].contains(other[k])' is true.</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// 2. If 'other' is a JSON array, 'this' is a
lso a JSON array, the</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// length of both arrays is the same and each element in 'this'</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// also contains the element in 'other' at the same position,</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// i.e. it holds that this.length() == other.length() and</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// for each i, 0 <= i < this.length,</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// 'this[i].contains(other[i])'.</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="c
omment">// 3. For all other types, 'this' is of the same type as 'other' and</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// 'this == other'.</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// NOTE: For a given key 'k', if 'this[k] == null' then</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// 'this.contains(other)' holds if either 'k' is not present in</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// 'other.keys()' or 'other[k] == null'.</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// Similarly, if 'other[k] == null', 'this.contains(other)' only if</span></di
v><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// 'this[k] == null'. This is a consequence of the containment</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// definition.</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordtype">bool</span> <a class="code" href="namespacestrings.html#a269921757daf11096d3f5e02686f8444">contains</a>(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Value.html">Value</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> </div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00301"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a842f3ad26869
0105ab512b130946fd78"> 301</a></span>  <span class="keyword">friend</span> <span class="keyword">struct </span><a class="code" href="structJSON_1_1Comparator.html">Comparator</a>;</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// A class which follows the visitor pattern and implements the</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// containment rules described in the documentation of 'contains'.</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// See 'bool Value::contains(const Value& other) const'.</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keyword">struct </span>ContainmentComparator : <span class="keyword">public</s
pan> boost::static_visitor<bool></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  {</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keyword">explicit</span> ContainmentComparator(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Value.html">Value</a>& _self)</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  : self(_self) {}</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Object.html">Object</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">bool</span> operator()(<span class="k
eyword">const</span> <a class="code" href="structJSON_1_1Array.html">Array</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1String.html">String</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Number.html">Number</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Boolean.html">Boolean</a>& other) <span class="keyword">const</span>;</div><div class="line"><a name=
"l00316"></a><span class="lineno"> 316</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Null.html">Null</a>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keyword">const</span> <a class="code" href="structJSON_1_1Value.html">Value</a>& <span class="keyword">self</span>;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  };</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> };</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div><div class="line"><a name="l00323"></a><span class="lineno"> 323</sp
an> </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a9f420d588c86317e0cc816b7d3ece0f8"> 325</a></span> <span class="keywordtype">bool</span> <a class="code" href="structJSON_1_1Value.html#a9f420d588c86317e0cc816b7d3ece0f8">Value::is</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="keyword"></span>{</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">const</span> T* t = boost::get<T>(<span class="keyword">this</span>);</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> t != <span class="keyword">nullptr</span>;</div><div cla
ss="line"><a name="l00329"></a><span class="lineno"> 329</span> }</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00333"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a218f28cc093837f5a10cf893886fd92d"> 333</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> Value::is<Value>() <span class="keyword">const</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> {</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#
160;}</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00340"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a32ddf233c0ec159c4d72252529219cf6"> 340</a></span> <span class="keyword">const</span> T& <a class="code" href="structJSON_1_1Value.html#a32ddf233c0ec159c4d72252529219cf6">Value::as</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="keyword"></span>{</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">return</span> *CHECK_NOTNULL(boost::get<T>(<span class="keyword">this</span>));
</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> }</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="keyword">template</span> <></div><div class="line"><a name="l00347"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a2722b8532ba6307e398b4ae28a348c04"> 347</a></span> <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="structJSON_1_1Value.html">Value</a>& Value::as<Value>() <span class="keyword">const</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> {</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div
><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> }</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00354"></a><span class="lineno"><a class="line" href="structJSON_1_1Object.html#ae40d13e0a2aa2725fafa093a7140c82c"> 354</a></span> <a class="code" href="classResult.html">Result<T></a> <a class="code" href="structJSON_1_1Object.html#ae40d13e0a2aa2725fafa093a7140c82c">Object::find</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>)<span class="keyword"> const</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="keyword"></spa
n>{</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">const</span> std::vector<std::string> names = <a class="code" href="namespacestrings.html#a1f86a4a73f20056475dc065ec984eb7a">strings::split</a>(path, <span class="stringliteral">"."</span>, 2);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span> (names.empty()) {</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  std::string <a clas
s="code" href="namespaceos_1_1Shell.html#acfe16ef2b1146ad49a8651c0a457ce46">name</a> = names[0];</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">// Determine if we have an array subscript. If so, save it but</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">// remove it from the name for doing the lookup.</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <a class="code" href="classOption.html">Option<size_t></a> subscript = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = name.find(<span class="charliteral">
9;['</span>);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> (index != std::string::npos) {</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// Check for the closing bracket.</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (name.at(name.length() - 1) != <span class="charliteral">']'</span>) {</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Malformed array subscript, expecting ']'"</span>);</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  }</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a
name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">// Now remove the closing bracket (last character) and everything</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="comment">// before and including the opening bracket.</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  std::string s = name.substr(index + 1, name.length() - index - 2);</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// Now numify the subscript.</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <a class="code" href="classTry.html">Try<int></a> i = numify<int>(s);</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div><div class="line"><a name="l00381"></a>
<span class="lineno"> 381</span>  <span class="keywordflow">if</span> (i.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to numify array subscript '"</span> + s + <span class="stringliteral">"'"</span>);</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>() < 0) {</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Array subscript '"</span
> + s + <span class="stringliteral">"' must be >= 0"</span>);</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  subscript = i.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>();</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// And finally remove the array subscript from the name.</span></div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  name = name.substr(0, index);</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div><div class="
line"><a name="l00393"></a><span class="lineno"> 393</span>  std::map<std::string, Value>::const_iterator entry = values.find(name);</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (entry == values.end()) {</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <a class="code" href="structJSON_1_1Value.html">Value</a> <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a> = entry->second;</div><div class
="line"><a name="l00400"></a><span class="lineno"> 400</span> </div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">if</span> (subscript.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (value.<a class="code" href="structJSON_1_1Value.html#a9f420d588c86317e0cc816b7d3ece0f8">is</a><<a class="code" href="structJSON_1_1Array.html">Array</a>>()) {</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="structJSON_1_1Array.html">Array</a> array = value.<a class="code" href="structJSON_1_1Value.html#a32ddf233c0ec159c4d72252529219cf6">as</a><<a class="code" href="structJSON_1_1Array.html">Array</a>>();</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span clas
s="keywordflow">if</span> (subscript.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>() >= array.<a class="code" href="structJSON_1_1Array.html#aed41033b7cd6a2c2e7dcc6f0c48a4563">values</a>.size()) {</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  value = array.<a class="code" href="structJSON_1_1Array.html#aed41033b7cd6a2c2e7dcc6f0c48a4563">values</a>[subscript.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>()];</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value.<a class="code" href="stru
ctJSON_1_1Value.html#a9f420d588c86317e0cc816b7d3ece0f8">is</a><<a class="code" href="structJSON_1_1Null.html">Null</a>>()) {</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">// TODO(benh): Use a visitor to print out the intermediate type.</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Intermediate JSON value not an array"</span>);</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div><div class="line
"><a name="l00414"></a><span class="lineno"> 414</span>  }</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> </div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">if</span> (names.size() == 1) {</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> (value.<a class="code" href="structJSON_1_1Value.html#a9f420d588c86317e0cc816b7d3ece0f8">is</a><T>()) {</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> value.<a class="code" href="structJSON_1_1Value.html#a32ddf233c0ec159c4d72252529219cf6">as</a><T>();</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value.<a class="code" href="structJSON_1_1Value.html#a9f420d588c86317e0
cc816b7d3ece0f8">is</a><<a class="code" href="structJSON_1_1Null.html">Null</a>>()) {</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">// TODO(benh): Use a visitor to print out the type found.</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Found JSON value of wrong type"</span>);</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</s
pan>  }</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">if</span> (!value.<a class="code" href="structJSON_1_1Value.html#a9f420d588c86317e0cc816b7d3ece0f8">is</a><<a class="code" href="structJSON_1_1Object.html">Object</a>>()) {</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="comment">// TODO(benh): Use a visitor to print out the intermediate type.</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Intermediate JSON value not an object"</span>);</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  }</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&
#160;</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">return</span> value.<a class="code" href="structJSON_1_1Value.html#a32ddf233c0ec159c4d72252529219cf6">as</a><<a class="code" href="structJSON_1_1Object.html">Object</a>>().find<T>(names[1]);</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> }</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00437"></a><span class="lineno"><a class="line" href="structJSON_1_1Object.html#a4a722484eac14de1842f265785f05e66"> 437</a></span> <a class="code" href="classResult.html">Result<T></a> <a class="code" href="str
uctJSON_1_1Object.html#a4a722484eac14de1842f265785f05e66">Object::at</a>(<span class="keyword">const</span> std::string& key)<span class="keyword"> const</span></div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="keyword"></span>{</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">if</span> (key.empty()) {</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  std::map<std::string, Value>::const_iterator entry = values.find(key);</div><div class="line"><a name="l00444"></a><span class="lineno"> 444
</span> </div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">if</span> (entry == values.end()) {</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  }</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <a class="code" href="structJSON_1_1Value.html">Value</a> <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a> = entry->second;</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">if</span> (!value.<a class="code" hr
ef="structJSON_1_1Value.html#a9f420d588c86317e0cc816b7d3ece0f8">is</a><T>()) {</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="comment">// TODO(benh): Use a visitor to print out the type found.</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Found JSON value of wrong type"</span>);</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> </div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> value.<a class="code" href="structJSON_1_1Value.html#a32ddf233c0ec159c4d72252529219cf6">as</a><T>();</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#
160;}</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div><div class="line"><a name="l00460"></a><span class="lineno"><a class="line" href="structJSON_1_1Value.html#a2f25d0f605fb97f81b806163f50c7ace"> 460</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="structJSON_1_1Value.html#a2f25d0f605fb97f81b806163f50c7ace">Value::contains</a>(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Value.html">Value</a>& other)<span class="keyword"> const</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="keyword"></span>{</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">return</span> boost::apply_visitor(Value::ContainmentComparator(*<span class="keyword">this</span>), other);</div
><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> }</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> Value::ContainmentComparator::operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Object.html">Object</a>& other)<span class="keyword"> const</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="keyword"></span>{</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">if</span> (!<span class="keyword">self</span>.is<Object>()) {</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">re
turn</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> </div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="comment">// The empty set is contained in every set.</span></div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">if</span> (other.<a class="code" href="structJSON_1_1Object.html#a41bbf967d564eb3f57c2bb5453a0e7af">values</a>.empty()) {</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> </div><div class="line"><a name="l00477"></a><span clas
s="lineno"> 477</span>  <span class="keyword">const</span> <a class="code" href="structJSON_1_1Object.html">Object</a>& _self = <span class="keyword">self</span>.as<<a class="code" href="structJSON_1_1Object.html">Object</a>>();</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> </div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">// All entries in 'other' should exists in 'self', which implies</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">// there should be at most as many entries in other as in self.</span></div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span> (other.<a class="code" href="structJSON_1_1Object.html#a41bbf967d564eb3f57c2bb5453a0e7af">values</a>.size() > _self.<a class="code" href="structJSON_1_1Object.html#a41bbf
967d564eb3f57c2bb5453a0e7af">values</a>.size()) {</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  }</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="foreach_8hpp.html#a66900b166526abe66464d6597536b111">foreachpair</a> (<span class="keyword">const</span> std::string& key, <span class="keyword">const</span> <a class="code" href="structJSON_1_1Value.html">Value</a>& <a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>, other.<a class="code" href="structJSON_1_1Object.html#a41bbf967d564eb3f57c2bb5453a0e7af">values</a>) {</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> 
<span class="keyword">auto</span> _selfIterator = _self.<a class="code" href="structJSON_1_1Object.html#a41bbf967d564eb3f57c2bb5453a0e7af">values</a>.find(key);</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> </div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">if</span> (_selfIterator == _self.<a class="code" href="structJSON_1_1Object.html#a41bbf967d564eb3f57c2bb5453a0e7af">values</a>.end()) {</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> </div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> (!_selfIterator->second.contains(va
lue)) {</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  }</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  }</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> </div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> }</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> </div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="keyword">inline</span> <span class="keywordtype">bool</
span> Value::ContainmentComparator::operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1String.html">String</a>& other)<span class="keyword"> const</span></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="keyword"></span>{</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">if</span> (!<span class="keyword">self</span>.is<String>()) {</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  }</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>.as<<a class="code" href="structJSON_1_1String.html">String</a>>().<a class="code" href="structJSON_1
_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a> == other.<a class="code" href="structJSON_1_1String.html#a6d61cfa2a10f02133833eaaf23b87e75">value</a>;</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span> }</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span> </div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> Value::ContainmentComparator::operator()(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Number.html">Number</a>& other)<span class="keyword"> const</span></div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="keyword"></span>{</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">if</span> (!<span
class="keyword">self</span>.is<Number>()) {</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="
<TRUNCATED>