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187 lines
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 <span id="projectnumber">8.2</span>
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<div class="title">proto_tools.h</div> </div>
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<a href="proto__tools_8h.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">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef OR_TOOLS_UTIL_PROTO_TOOLS_H_</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_UTIL_PROTO_TOOLS_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "absl/status/status.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "absl/status/statusor.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "absl/strings/str_format.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "google/protobuf/message.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// Casts a generic google::protobuf::Message* to a specific proto type, or</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// returns an InvalidArgumentError if it doesn't seem to be of the right type.</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// Comes in non-const and const versions.</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// NOTE(user): You should rather use DynamicCastToGenerated() from message.h</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// if you don't need the fancy error message or the absl::Status.</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">template</span> <<span class="keyword">class</span> Proto></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> absl::StatusOr<Proto*> <a class="code" href="namespaceoperations__research.html#a460240fb5e04b90eff316fe22534398c">SafeProtoDownCast</a>(google::protobuf::Message* <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>);</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">template</span> <<span class="keyword">class</span> Proto></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> absl::StatusOr<const Proto*> <a class="code" href="namespaceoperations__research.html#a71cb7b3c8fe0897684856a670e283854">SafeProtoConstDownCast</a>(</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> google::protobuf::Message* <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>);</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// Prints a proto2 message as a string, it behaves like TextFormat::Print()</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// but also prints the default values of unset fields which is useful for</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// printing parameters.</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> std::string <a class="code" href="namespaceoperations__research.html#a86811f49fc245ef5e5a4fddf2e7c2b5c">FullProtocolMessageAsString</a>(</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">const</span> google::protobuf::Message& <a class="code" href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a>, <span class="keywordtype">int</span> indent_level);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// =============================================================================</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// Implementation of function templates.</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">template</span> <<span class="keyword">class</span> Proto></div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a460240fb5e04b90eff316fe22534398c"> 47</a></span> absl::StatusOr<Proto*> <a class="code" href="namespaceoperations__research.html#a460240fb5e04b90eff316fe22534398c">SafeProtoDownCast</a>(google::protobuf::Message* <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>) {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">const</span> google::protobuf::Descriptor* expected_descriptor =</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  Proto::default_instance().GetDescriptor();</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> google::protobuf::Descriptor* actual_descriptor =</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>->GetDescriptor();</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (actual_descriptor == expected_descriptor)</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>Proto*<span class="keyword">></span>(<a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrFormat(</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="stringliteral">"Expected message type '%s', but got type '%s'"</span>,</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  expected_descriptor->full_name(), actual_descriptor->full_name()));</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">template</span> <<span class="keyword">class</span> Proto></div>
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<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="namespaceoperations__research.html#a71cb7b3c8fe0897684856a670e283854"> 60</a></span> absl::StatusOr<const Proto*> <a class="code" href="namespaceoperations__research.html#a71cb7b3c8fe0897684856a670e283854">SafeProtoConstDownCast</a>(</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> google::protobuf::Message* <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>) {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> google::protobuf::Descriptor* expected_descriptor =</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  Proto::default_instance().GetDescriptor();</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> google::protobuf::Descriptor* actual_descriptor =</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>->GetDescriptor();</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (actual_descriptor == expected_descriptor) {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>Proto*<span class="keyword">></span>(<a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> absl::InvalidArgumentError(absl::StrFormat(</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="stringliteral">"Expected message type '%s', but got type '%s'"</span>,</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  expected_descriptor->full_name(), actual_descriptor->full_name()));</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_UTIL_PROTO_TOOLS_H_</span></div>
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<div class="ttc" id="acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2"><div class="ttname"><a href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a></div><div class="ttdeci">CpModelProto proto</div><div class="ttdef"><b>Definition:</b> <a href="cp__model__fz__solver_8cc_source.html#l00107">cp_model_fz_solver.cc:107</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a460240fb5e04b90eff316fe22534398c"><div class="ttname"><a href="namespaceoperations__research.html#a460240fb5e04b90eff316fe22534398c">operations_research::SafeProtoDownCast</a></div><div class="ttdeci">absl::StatusOr< Proto * > SafeProtoDownCast(google::protobuf::Message *proto)</div><div class="ttdef"><b>Definition:</b> <a href="proto__tools_8h_source.html#l00047">proto_tools.h:47</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a71cb7b3c8fe0897684856a670e283854"><div class="ttname"><a href="namespaceoperations__research.html#a71cb7b3c8fe0897684856a670e283854">operations_research::SafeProtoConstDownCast</a></div><div class="ttdeci">absl::StatusOr< const Proto * > SafeProtoConstDownCast(const google::protobuf::Message *proto)</div><div class="ttdef"><b>Definition:</b> <a href="proto__tools_8h_source.html#l00060">proto_tools.h:60</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html_a86811f49fc245ef5e5a4fddf2e7c2b5c"><div class="ttname"><a href="namespaceoperations__research.html#a86811f49fc245ef5e5a4fddf2e7c2b5c">operations_research::FullProtocolMessageAsString</a></div><div class="ttdeci">std::string FullProtocolMessageAsString(const google::protobuf::Message &message, int indent_level)</div><div class="ttdef"><b>Definition:</b> <a href="proto__tools_8cc_source.html#l00058">proto_tools.cc:58</a></div></div>
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<div class="ttc" id="atrace_8cc_html_a36bd74109f547f7f8198faf5a12d2879"><div class="ttname"><a href="trace_8cc.html#a36bd74109f547f7f8198faf5a12d2879">message</a></div><div class="ttdeci">std::string message</div><div class="ttdef"><b>Definition:</b> <a href="trace_8cc_source.html#l00395">trace.cc:395</a></div></div>
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