You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@mesos.apache.org by gi...@apache.org on 2018/07/10 20:05:31 UTC
[12/13] mesos-site git commit: Updated the website built from mesos
SHA: 7918442.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/71339a17/content/api/latest/c++/3rdparty_2stout_2include_2stout_2protobuf_8hpp_source.html
----------------------------------------------------------------------
diff --git a/content/api/latest/c++/3rdparty_2stout_2include_2stout_2protobuf_8hpp_source.html b/content/api/latest/c++/3rdparty_2stout_2include_2stout_2protobuf_8hpp_source.html
index 1e086e8..5c2dfa1 100644
--- a/content/api/latest/c++/3rdparty_2stout_2include_2stout_2protobuf_8hpp_source.html
+++ b/content/api/latest/c++/3rdparty_2stout_2include_2stout_2protobuf_8hpp_source.html
@@ -52,13 +52,12 @@
<div class="title">protobuf.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="3rdparty_2stout_2include_2stout_2protobuf_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>&#
160;<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_PROTOBUF_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __STOUT_PROTOBUF_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 <assert.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef __WINDOWS__</span></div><div class="line"><a name="l00020
"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#endif // __WINDOWS__</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <sys/types.h></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 <string></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <vector></span></div><div c
lass="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <google/protobuf/descriptor.h></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <google/protobuf/descriptor.pb.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <google/protobuf/message.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <google/protobuf/repeated_field.h></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 <google/protobuf/io/zero_copy_stream_impl.h></span></div><d
iv class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="abort_8hpp.html">stout/abort.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="base64_8hpp.html">stout/base64.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="error_8hpp.html">stout/error.hpp</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="json_8hpp.html">stout/json.hpp</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="jso
nify_8hpp.html">stout/jsonify.hpp</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="none_8hpp.html">stout/none.hpp</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <<a class="code" href="representation_8hpp.html">stout/representation.hpp</a>></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="result_8hpp.html">stout/result.hpp</a>></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <<a class="code" href="stringify
_8hpp.html">stout/stringify.hpp</a>></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <<a class="code" href="try_8hpp.html">stout/try.hpp</a>></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> <span class="preprocessor">#include <<a class="code" href="close_8hpp.html">stout/os/close.hpp</a>></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <<a class="code" href="int__fd_8hpp.html">stout/os/int_fd.hpp</a>></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <<a class="code" href="lseek_8hpp.html">stout/os/lseek.hpp</a>></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <sp
an class="preprocessor">#include <<a class="code" href="open_8hpp.html">stout/os/open.hpp</a>></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2os_2read_8hpp.html">stout/os/read.hpp</a>></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include <<a class="code" href="write_8hpp.html">stout/os/write.hpp</a>></span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#ifdef __WINDOWS__</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include <<a class="code" href="dup_8hpp.html">stout/os/dup.hpp</a>></span></div><div class="line"><a name="l00057"></a><span
class="lineno"> 57</span> <span class="preprocessor">#endif // __WINDOWS__</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="namespaceprotobuf.html"> 59</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceprotobuf.html">protobuf</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="comment">// TODO(bmahler): Re-use stout's 'recordio' facilities here. Note</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// that these use a fixed size length header, whereas stout's</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// currently uses a base-10 newlin
e delimited header for language</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// portability, which makes changing these a bit tricky.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// Write out the given protobuf to the specified file descriptor by</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// first writing out the length of the protobuf followed by the</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// contents.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// NOTE: On error, this may have written partial data to the file.</span></div><div class="line"><a name="l00070"></a><
span class="lineno"><a class="line" href="namespaceprotobuf.html#aaedc9cc58ee2711a7b5e8831ba02a899"> 70</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprotobuf.html#aaedc9cc58ee2711a7b5e8831ba02a899">write</a>(<a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> fd, <span class="keyword">const</span> google::protobuf::Message& message)</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="keywordflow">if</span> (!message.IsInitialized()) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(message.InitializationErrorString() +</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</spa
n>  <span class="stringliteral">" is required but not initialized"</span>);</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> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// First write the size of the protobuf.</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  uint32_t <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a> = message.ByteSize();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  std::string bytes((<span class="keywordtype">char</span>*) &size, <span class="keyword">sizeof</span>(size));</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</sp
an>  <a class="code" href="classTry.html">Try<Nothing></a> result = <a class="code" href="namespaceos.html#a73da9d49515dfff761c4887c3d6032c0">os::write</a>(fd, bytes);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (result.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to write size: "</span> + result.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</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> <span
class="preprocessor">#ifdef __WINDOWS__</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// NOTE: On Windows, we need to explicitly allocate a CRT file</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// descriptor because the Protobuf library requires it. Because</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// users of `protobuf::write` are likely to call `os::close` on the</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// `fd` we were given, we need to duplicate it before allocating the</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// CRT fd. This is because once the CRT fd is allocated, it must be</span></div><div class="line"><a name="l00092"></a><spa
n class="lineno"> 92</span>  <span class="comment">// closed with `_close` instead of `os::close`. Since we need to</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// call `_close` here, we duplicate the fd to prevent the users call</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// of `os::close` from closing twice.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classTry.html">Try<int_fd></a> <a class="code" href="namespaceos.html#a622be738276833e635a7db06cff31a35">dup</a> = <a class="code" href="namespaceos.html#a622be738276833e635a7db06cff31a35">os::dup</a>(fd);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (dup.isError()) {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</s
pan>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to duplicate handle: "</span> + dup.error());</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> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">int</span> crt = dup->crt();</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>  <span class="keywordflow">if</span> (!message.SerializeToFileDescriptor(crt)) {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ::_close(crt);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> <a class="
code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to write/serialize message"</span>);</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>  ::_close(crt);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (!message.SerializeToFileDescriptor(fd)) {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to write/serialize message"</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</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 class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</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> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// Write out the given sequence of protobuf messages to the</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// specified file descriptor by repeatedly invoking write</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// on each of the messages.</span></div><div c
lass="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// NOTE: On error, this may have written partial data to the file.</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="namespaceprotobuf.html#ad7c5a30c2e972caaed6b3896ac7e477f"> 121</a></span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprotobuf.html#aaedc9cc58ee2711a7b5e8831ba02a899">write</a>(</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> fd, <span class="keyword">const</span> google::protobuf::RepeatedPtrField<T>& messages)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123<
/span> {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">foreach</span> (<span class="keyword">const</span> T& message, messages) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classTry.html">Try<Nothing></a> result = <a class="code" href="namespaceprotobuf.html#aaedc9cc58ee2711a7b5e8831ba02a899">write</a>(fd, message);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> (result.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(result.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00128"></a>
<span class="lineno"> 128</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>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</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"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="namespaceprotobuf.html#a1c2352b3f232044d4e960e227d530a92"> 136</a></span> <a class="
code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprotobuf.html#aaedc9cc58ee2711a7b5e8831ba02a899">write</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>, <span class="keyword">const</span> T& t)</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> {</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classTry.html">Try<int_fd></a> fd = <a class="code" href="namespaceos.html#aaf5d5468adc1b85cf9bb7126e70807ca">os::open</a>(</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  path,</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  O_WRONLY | O_CREAT | O_TRUNC | <a class="code" href="windows_2open_8hpp.html#ae477ca5323e49dcb433426280be75067">O_CLOEXEC</a>,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</spa
n>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a66cff14a0638cde9f422c7a4b0938e61">S_IRUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#aead39710af2622ee9b0d412f62e90aa5">S_IWUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a55fad1c3746e1b8a6a00c10998e91d91">S_IRGRP</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a90d7514882640a8cd7b8da14138103b7">S_IROTH</a>);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (fd.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringlit
eral">"Failed to open file '"</span> + path + <span class="stringliteral">"': "</span> + fd.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</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> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classTry.html">Try<Nothing></a> result = <a class="code" href="namespaceprotobuf.html#aaedc9cc58ee2711a7b5e8831ba02a899">write</a>(fd.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>(), t);</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="comment">// NOTE: We ignore the return value of close(). This is because</span></div><div class="line"><a
name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// users calling this function are interested in the return value of</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// write(). Also an unsuccessful close() doesn't affect the write.</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(fd.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</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="keywordflow">return</span> result;</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> </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="namespaceprotobuf.html#aa693e51d8d57a50543a7c2fb686a3ab3"> 158</a></span> <span class="keyword">inline</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprotobuf.html#aa693e51d8d57a50543a7c2fb686a3ab3">append</a>(</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> google::protobuf::Message& message)</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> {</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="classTry.html">Try<i
nt_fd></a> fd = <a class="code" href="namespaceos.html#aaf5d5468adc1b85cf9bb7126e70807ca">os::open</a>(</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  path,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  O_WRONLY | O_CREAT | O_APPEND | <a class="code" href="windows_2open_8hpp.html#ae477ca5323e49dcb433426280be75067">O_CLOEXEC</a>,</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a66cff14a0638cde9f422c7a4b0938e61">S_IRUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#aead39710af2622ee9b0d412f62e90aa5">S_IWUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a55fad1c3746e1b8a6a00c10998e91d91">S_IRGRP</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a90d7514882640a8cd7b8da14138103b7">S_IROTH</a>);</
div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (fd.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to open file '"</span> + path + <span class="stringliteral">"': "</span> + fd.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</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> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="classTry.html">Try&l
t;Nothing></a> result = <a class="code" href="namespaceprotobuf.html#aaedc9cc58ee2711a7b5e8831ba02a899">write</a>(fd.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>(), message);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// NOTE: We ignore the return value of close(). This is because</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// users calling this function are interested in the return value of</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// write(). Also an unsuccessful close() doesn't affect the write.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cf
dc">os::close</a>(fd.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</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="keywordflow">return</span> result;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</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> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="namespaceprotobuf.html#acba5d641a6cf36159baf7dad4a54a72e"> 183</a></span> <a class="code" href="classTry.html">Try<T></a> <a class="code" href="namespacepr
otobuf.html#acba5d641a6cf36159baf7dad4a54a72e">deserialize</a>(<span class="keyword">const</span> std::string& value)</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  T t;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  (void) static_cast<google::protobuf::Message*>(&t);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// Verify that the size of `value` fits into `ArrayInputStream`'s</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// constructor. The maximum size of a proto2 message is 64 MB, so it is</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="c
omment">// unlikely that we will hit this limit, but since an arbitrary string can be</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// passed in, we include this check to be safe.</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  CHECK_LE(value.size(), <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(<a class="code" href="option_8hpp.html#ac4b53d77033a5d2405ef12ceb3dc6498">std::numeric_limits<int>::max</a>()));</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  google::protobuf::io::ArrayInputStream stream(</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  value.data(),</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">static_cast<</span><span class="keywordtype">int<
/span><span class="keyword">></span>(value.size()));</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">if</span> (!t.ParseFromZeroCopyStream(&stream)) {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to deserialize "</span> + t.GetDescriptor()->full_name());</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> t;</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"> 203</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="namespaceprotobuf.html#aaebb7981284b7eddc065276b7eaa674d"> 204</a></span> <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespaceprotobuf.html#aaebb7981284b7eddc065276b7eaa674d">serialize</a>(<span class="keyword">const</span> T& t)</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  (void) static_cast<const google::protobuf::Message*>(&t);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  std::string value;</div><div class="line"><a name="l00209"></a><span class=
"lineno"> 209</span>  <span class="keywordflow">if</span> (!t.SerializeToString(&value)) {</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to serialize "</span> + t.GetDescriptor()->full_name());</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="namespaceprotobuf_1_1internal.html"> 216</a></span>&#
160;<span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</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> <span class="comment">// Reads a single message of type T from the file by first reading the</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// "size" followed by the contents (as written by 'write' above).</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// NOTE: This struct is used by the public 'read' function.</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// See comments there for the reason why we need this.</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> 
<span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00223"></a><span class="lineno"><a class="line" href="structprotobuf_1_1internal_1_1Read.html"> 223</a></span> <span class="keyword">struct </span><a class="code" href="structprotobuf_1_1internal_1_1Read.html">Read</a></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> {</div><div class="line"><a name="l00225"></a><span class="lineno"><a class="line" href="structprotobuf_1_1internal_1_1Read.html#a14fbbef56bbe35eec7b4e54a6376fc40"> 225</a></span>  <a class="code" href="classResult.html">Result<T></a> <a class="code" href="structprotobuf_1_1internal_1_1Read.html#a14fbbef56bbe35eec7b4e54a6376fc40">operator()</a>(<a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> fd, <span class="keywordtype">bool</span> ignorePartial, <span class="keywordtype">bool</span> undoFailed)</div><div class="
line"><a name="l00226"></a><span class="lineno"> 226</span>  {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  off_t offset = 0;</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>  <span class="keywordflow">if</span> (undoFailed) {</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// Save the offset so we can re-adjust if something goes wrong.</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <a class="code" href="classTry.html">Try<off_t></a> <a class="code" href="namespaceos.html#a66e299de75c7ce5e68969ccb299fbaed">lseek</a> = <a class="code" href="namespaceos.html#a66e299de75c7ce5e68969ccb299fbaed">os::lseek</a>(fd, offset, SEEK_CUR);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</sp
an>  <span class="keywordflow">if</span> (lseek.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(lseek.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  offset = lseek.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>();</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00239"></a><s
pan class="lineno"> 239</span>  uint32_t <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="classResult.html">Result<std::string></a> result = <a class="code" href="namespaceos.html#aa1d97ff0a93229e1fe6b33e3e2d567f7">os::read</a>(fd, <span class="keyword">sizeof</span>(size));</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>  <span class="keywordflow">if</span> (result.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (undoFailed) {</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" h
ref="namespaceos.html#a66e299de75c7ce5e68969ccb299fbaed">os::lseek</a>(fd, offset, SEEK_SET);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to read size: "</span> + result.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>());</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (result.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>(); <span class="comment">// No
more protobufs to read.</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (result->size() < <span class="keyword">sizeof</span>(<a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>)) {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// Hit EOF unexpectedly.</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> (undoFailed) {</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// Restore the offset to before the size read.</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="namespaceos.html#a66e299de75c7ce5e68969ccb299fbaed">os::lseek</a>(fd, offset, SEEK_S
ET);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (ignorePartial) {</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="stringliteral">"Failed to read size: hit EOF unexpectedly, possible corruption"</span>);</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div><div cl
ass="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">// Parse the size from the bytes.</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  memcpy((<span class="keywordtype">void</span>*)&size, (<span class="keywordtype">void</span>*)result->data(), <span class="keyword">sizeof</span>(<a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>));</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// NOTE: Instead of specifically checking for corruption in 'size',</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// we simply try to read 'size' bytes. If we hit
EOF early, it is an</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// indication of corruption.</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  result = <a class="code" href="namespaceos.html#aa1d97ff0a93229e1fe6b33e3e2d567f7">os::read</a>(fd, size);</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="keywordflow">if</span> (result.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">if</span> (undoFailed) {</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// Restore the offset to before the size read.</span></div><div class="
line"><a name="l00273"></a><span class="lineno"> 273</span>  <a class="code" href="namespaceos.html#a66e299de75c7ce5e68969ccb299fbaed">os::lseek</a>(fd, offset, SEEK_SET);</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to read message: "</span> + result.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>());</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (result.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>() || result->size() < <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>
) {</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">// Hit EOF unexpectedly.</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">if</span> (undoFailed) {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// Restore the offset to before the size read.</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="namespaceos.html#a66e299de75c7ce5e68969ccb299fbaed">os::lseek</a>(fd, offset, SEEK_SET);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> (ignorePartial) {</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="key
wordflow">return</span> <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to read message of size "</span> + <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(size) +</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="stringliteral">" bytes: hit EOF unexpectedly, possible corruption"</span>);</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="co
mment">// Parse the protobuf from the string.</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// NOTE: We need to capture a const reference to the data because it</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// must outlive the creation of ArrayInputStream.</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">const</span> std::string& data = result.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>();</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// Verify that the size of `data` fits into `ArrayInputStream`'s</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> 
<span class="comment">// constructor. The maximum size of a proto2 message is 64 MB, so it is</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// unlikely that we will hit this limit, but since an arbitrary string can</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// be passed in, we include this check to be safe.</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  CHECK_LE(data.size(), <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(<a class="code" href="option_8hpp.html#ac4b53d77033a5d2405ef12ceb3dc6498">std::numeric_limits<int>::max</a>()));</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  T message;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  google:
:protobuf::io::ArrayInputStream stream(</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  data.data(),</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(data.size()));</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (!message.ParseFromZeroCopyStream(&stream)) {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (undoFailed) {</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// Restore the offset to before the size read.</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 30
7</span>  <a class="code" href="namespaceos.html#a66e299de75c7ce5e68969ccb299fbaed">os::lseek</a>(fd, offset, SEEK_SET);</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to deserialize message"</span>);</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> </div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> message;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> };</div><div class="line"><a name="l0
0315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// Partial specialization for RepeatedPtrField<T> to read a sequence</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// of protobuf messages from a given fd by repeatedly invoking</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment">// Read<T> until None is reached, which we treat as EOF.</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment">// NOTE: This struct is used by the public 'read' function.</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment">// See comments there for the reason why
we need this.</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00323"></a><span class="lineno"><a class="line" href="structprotobuf_1_1internal_1_1Read_3_01google_1_1protobuf_1_1RepeatedPtrField_3_01T_01_4_01_4.html"> 323</a></span> <span class="keyword">struct </span><a class="code" href="structprotobuf_1_1internal_1_1Read.html">Read</a><<a class="code" href="namespacegoogle.html">google</a>::protobuf::RepeatedPtrField<T>></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> {</div><div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="structprotobuf_1_1internal_1_1Read_3_01google_1_1protobuf_1_1RepeatedPtrField_3_01T_01_4_01_4.html#aeba5a73c791823934cf9dd1f0d35b68a"> 325</a></span>  <a class="code" href="classResult.html">Result<google::pro
tobuf::RepeatedPtrField<T></a>> <a class="code" href="structprotobuf_1_1internal_1_1Read_3_01google_1_1protobuf_1_1RepeatedPtrField_3_01T_01_4_01_4.html#aeba5a73c791823934cf9dd1f0d35b68a">operator()</a>(</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> fd, <span class="keywordtype">bool</span> ignorePartial, <span class="keywordtype">bool</span> undoFailed)</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  {</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  google::protobuf::RepeatedPtrField<T> result;</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">for</span> (;;) {</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="classResult.html">Result<T><
/a> message = <a class="code" href="structprotobuf_1_1internal_1_1Read.html">Read<T></a>()(fd, ignorePartial, undoFailed);</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (message.<a class="code" href="classResult.html#aeca16ad17d299ad885c9b46c83b12a3d">isError</a>()) {</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(message.<a class="code" href="classResult.html#a521adf96f5c27d26d6b1d580aae8aaee">error</a>());</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (message.<a class="code" href="classResult.html#ac2cdc0db9f9d29a5bb2f1cf19c29da49">isNone</a>()) {</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class=
"keywordflow">break</span>;</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  result.Add()->CopyFrom(message.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>());</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="keywordflow">return</span> result;</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> };</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class
="lineno"> 343</span> } <span class="comment">// namespace internal {</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="comment">// Reads the protobuf message(s) from a given fd based on the format</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment">// written by write() above. We use partial specialization of</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment">// - internal::Read<T> vs</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment">// - internal::Read<google::protobuf::RepeatedPtrField<T>></span></div><div class="line"><a name="l00350"></a><span class="li
neno"> 350</span> <span class="comment">// in order to determine whether T is a single protobuf message or</span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment">// a sequence of messages.</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment">// If 'ignorePartial' is true, None() is returned when we unexpectedly</span></div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment">// hit EOF while reading the protobuf (e.g., partial write).</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment">// If 'undoFailed' is true, failed read attempts will restore the file</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment">// read/write file offset towards the initial callup position.</span></div><di
v class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00357"></a><span class="lineno"><a class="line" href="namespaceprotobuf.html#a2120146c620b72d4e1e3ae47bdacb1b3"> 357</a></span> <a class="code" href="classResult.html">Result<T></a> <a class="code" href="namespaceprotobuf.html#a2120146c620b72d4e1e3ae47bdacb1b3">read</a>(<a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> fd, <span class="keywordtype">bool</span> ignorePartial = <span class="keyword">false</span>, <span class="keywordtype">bool</span> undoFailed = <span class="keyword">false</span>)</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> {</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">return</span> <a class="code" href="structprotobuf_1_1int
ernal_1_1Read.html">internal::Read<T></a>()(fd, ignorePartial, undoFailed);</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> </div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// A wrapper function that wraps the above read() with open and</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// closing the file.</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00366"></a><span class="lineno"><a class="line" href="namespaceprotobuf.html#ae3e1bd443efafaf4f5d0f2ade10b81f9"> 366</a></span> <a class="code" h
ref="classResult.html">Result<T></a> <a class="code" href="namespaceprotobuf.html#a2120146c620b72d4e1e3ae47bdacb1b3">read</a>(<span class="keyword">const</span> std::string& <a class="code" href="namespacepath.html">path</a>)</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> {</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <a class="code" href="classTry.html">Try<int_fd></a> fd = <a class="code" href="namespaceos.html#aaf5d5468adc1b85cf9bb7126e70807ca">os::open</a>(</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  path,</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  O_RDONLY | <a class="code" href="windows_2open_8hpp.html#ae477ca5323e49dcb433426280be75067">O_CLOEXEC</a>,</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <a class="code" href="3rdparty_2stout_2include_2stout_2wind
ows_8hpp.html#a66cff14a0638cde9f422c7a4b0938e61">S_IRUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#aead39710af2622ee9b0d412f62e90aa5">S_IWUSR</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a55fad1c3746e1b8a6a00c10998e91d91">S_IRGRP</a> | <a class="code" href="3rdparty_2stout_2include_2stout_2windows_8hpp.html#a90d7514882640a8cd7b8da14138103b7">S_IROTH</a>);</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>  <span class="keywordflow">if</span> (fd.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to open file '"</span> + path + <span class="
stringliteral">"': "</span> + fd.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <a class="code" href="classResult.html">Result<T></a> result = read<T>(fd.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// NOTE: We ignore the return value of close(). This is because</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">// users calling this function are interested in the return value of</s
pan></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="comment">// read(). Also an unsuccessful close() doesn't affect the read.</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(fd.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">return</span> result;</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> </div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>
60;<span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="comment">// Forward declaration.</span></div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="namespaceprotobuf_1_1internal.html#a3cfa5c20c57cdc039693ab9c1d417681">parse</a>(</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  google::protobuf::Message* message,</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">const</span> <a class="code" href="structJSON_1_1Object.html">JSON::Object</a>& <span class="keywordtype">object</span>);</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> </div><div class="line"><a name="l00396"></a><span class="lineno"><a class="line" href="structprotobuf_1_1internal_1_1Parser.html"> 396</a></span> <span class="keyword">struct </span><a class="code" href="structprotobuf_1_1internal_1_1Parser.html">Parser</a> : boost::static_visitor<Try<Nothing>></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> {</div><div class="line"><a name="l00398"></a><span class="lineno"><a class="line" href="structprotobuf_1_1internal_1_1Parser.html#a7bb85ab464aae1862c4bd20ce528fbe2"> 398</a></span>  <a class="code" href="structprotobuf_1_1internal_1_1Parser.html#a7bb85ab464aae1862c4bd20ce528fbe2">Parser</a>(google::protobuf::Message* _message,</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keyword">const</span> google::protobuf::FieldDescriptor* _fi
eld)</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  : message(_message),</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  reflection(message->GetReflection()),</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  field(_field) {}</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> </div><div class="line"><a name="l00404"></a><span class="lineno"><a class="line" href="structprotobuf_1_1internal_1_1Parser.html#af8462b89d46d2724b73c62b1327bc859"> 404</a></span>  <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="structprotobuf_1_1internal_1_1Parser.html#af8462b89d46d2724b73c62b1327bc859">operator()</a>(<span class="keyword">const</span> <a class="code" href="structJSON_1_1Object.html">JSON::Object</a>& <span class="keywordtype">object</span>)<span class="keyword"> const</span></div><div class="lin
e"><a name="l00405"></a><span class="lineno"> 405</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">switch</span> (field->type()) {</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_MESSAGE:</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (field->is_map()) {</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="foreach_8hpp.html#a66900b166526abe66464d6597536b111">foreachpair</a> (</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespaceos_1_1Shell.html#acfe16ef2b1146ad49a8651c0a457ce46">name</a>,
</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keyword">const</span> <a class="code" href="structJSON_1_1Value.html">JSON::Value</a>& value,</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordtype">object</span>.values) {</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  google::protobuf::Message* entry =</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  reflection->AddMessage(message, field);</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="comment">// A map is equivalent to:</span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">//</span></div><div
class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">// message MapFieldEntry {</span></div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// optional key_type key = 1;</span></div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// optional value_type value = 2;</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// }</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">//</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">// repeated MapFieldEntry map_field = N;</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="
comment">//</span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="comment">// See the link below for details:</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="comment">// https://developers.google.com/protocol-buffers/docs/proto#maps</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keyword">const</span> google::protobuf::FieldDescriptor* key_field =</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  entry->GetDescriptor()->FindFieldByNumber(1);</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <a class="code" href="structJSON_1_1Value.html">JSON::Value</a> key(name);</div><div class="line"><a name="l00431"></a><span
class="lineno"> 431</span> </div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <a class="code" href="classTry.html">Try<Nothing></a> apply =</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  boost::apply_visitor(<a class="code" href="structprotobuf_1_1internal_1_1Parser.html">Parser</a>(entry, key_field), key);</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>  <span class="keywordflow">if</span> (apply.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(apply.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</
a>());</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keyword">const</span> google::protobuf::FieldDescriptor* value_field =</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  entry->GetDescriptor()->FindFieldByNumber(2);</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>  apply = boost::apply_visitor(<a class="code" href="structprotobuf_1_1internal_1_1Parser.html">Parser</a>(entry, value_field), value);</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">if</span> (apply.<a class="code" href="classTry
.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(apply.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (field->is_repeated()) {</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">// TODO(gilbert): We currently push up the nested error</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <spa
n class="comment">// messages without wrapping the error message (due to</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">// the recursive nature of parse). We should pass along</span></div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">// variable information in order to construct a helpful</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="comment">// error message, e.g. "Failed to parse field 'a.b.c': ...".</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprotobuf_1_1internal.html#a3cfa5c20c57cdc039693ab9c1d417681">parse</a>(reflection->AddMessage(message, field), object);</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</s
pan>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprotobuf_1_1internal.html#a3cfa5c20c57cdc039693ab9c1d417681">parse</a>(reflection->MutableMessage(message, field), object);</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Not expecting a JSON object for field '"</span> +</div><div class="l
ine"><a name="l00460"></a><span class="lineno"> 460</span>  field->name() + <span class="stringliteral">"'"</span>);</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  }</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</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"><a class="line" href="structprotobuf_1_1internal_1_1Parser.html#a61920d2c324551d58a28330ccd5516fc"> 465</a></span>  <a class="code" href="classTry.html">Try<Nothing></a> <a class="code" href="structprotobuf_1_1internal_1_1Parser.html#a61920d2c324551d58a28330ccd5516fc">operator()</a>(<span class="keyword">const</sp
an> <a class="code" href="structJSON_1_1String.html">JSON::String</a>& <span class="keywordtype">string</span>)<span class="keyword"> const</span></div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">switch</span> (field->type()) {</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_STRING:</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span> (field->is_repeated()) {</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  reflection->AddString(message, field, <span class="keywordtype">string</span>.value);</div><div class="line"><a name="l00471"></a><span class="lineno"> 471
</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  reflection->SetString(message, field, <span class="keywordtype">string</span>.value);</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_BYTES: {</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="classTry.html">Try<std::string></a> <a class="code" href="namespacerouting_1_1filter_1_1internal.html#a584df149d400373b0ed7c48c1b07cecd">decode</a> = <a class="code" href="namespacebase64.html#ab3ba01437a30ea8938faaa92e9b72948">base6
4::decode</a>(<span class="keywordtype">string</span>.value);</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (decode.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to base64 decode bytes field"</span></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="stringliteral">" '"</span> + field->name() + <span class="stringliteral">"': "</span> + decode.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  }</div><div class="line"><
a name="l00481"></a><span class="lineno"> 481</span> </div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">if</span> (field->is_repeated()) {</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  reflection->AddString(message, field, decode.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  reflection->SetString(message, field, decode.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keyw
ordflow">break</span>;</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_ENUM: {</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keyword">const</span> google::protobuf::EnumValueDescriptor* descriptor =</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  field->enum_type()->FindValueByName(<span class="keywordtype">string</span>.value);</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> (descriptor == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>
0; <span class="keywordflow">if</span> (field->is_required()) {</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">return</span> <a class="code" href="classError.html">Error</a>(<span class="stringliteral">"Failed to find enum for '"</span> + <span class="keywordtype">string</span>.value + <span class="stringliteral">"'"</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> </div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">// Unrecognized enum value will be discarded if this is not a</span></div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">// required enum field, which makes the field's `has..` accessor</span></
div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="comment">// return false and its getter return the first value listed in</span></div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="comment">// the enum definition, or the default value if one is specified.</span></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">//</span></div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">// This is the deserialization behavior of proto2, see the link</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="comment">// below for details:</span></div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="comment">// https://developers.google.com/protocol-buffers/docs
/proto#updating</span></div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">break</span>;</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>  <span class="keywordflow">if</span> (field->is_repeated()) {</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  reflection->AddEnum(message, field, descriptor);</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  reflection->SetEnum(message, field, descriptor);</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span> 
}</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  }</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_DOUBLE:</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_FLOAT:</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_INT64:</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_SINT64:</div><div class="line"><a name="l00520"></a><span class="lineno"> 520
</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_SFIXED64:</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_UINT64:</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_FIXED64:</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_INT32:</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_SINT32:</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">case</span> google::protobuf::FieldDescriptor::TYPE_SFIXED32:</div><div cla
ss="line"><a name="l00526"></a><span cla
<TRUNCATED>