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183 lines
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<a href="protobuf__util_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2010-2021 Google LLC</span></div>
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<div class="line"><a id="l00002" 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 id="l00003" 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 id="l00004" 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 id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">//</span></div>
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<div class="line"><a id="l00006" 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 id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">//</span></div>
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<div class="line"><a id="l00008" 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 id="l00009" 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 id="l00010" 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 id="l00011" 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 id="l00012" 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 id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#ifndef OR_TOOLS_BASE_PROTOBUF_UTIL_H_</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define OR_TOOLS_BASE_PROTOBUF_UTIL_H_</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include "google/protobuf/repeated_field.h"</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacegoogle.html">google</a> {</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"><a class="line" href="namespacegoogle_1_1protobuf.html"> 21</a></span><span class="keyword">namespace </span>protobuf {</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="namespacegoogle_1_1protobuf_1_1util.html"> 22</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceutil.html">util</a> {</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment">// RepeatedPtrField version.</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="namespacegoogle_1_1protobuf_1_1util.html#afd2a6d1b791960a00ffff73870a7452c"> 25</a></span><span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="namespacegoogle_1_1protobuf_1_1util.html#afd2a6d1b791960a00ffff73870a7452c">Truncate</a>(RepeatedPtrField<T>* array, <span class="keywordtype">int</span> new_size) {</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">const</span> <span class="keywordtype">int</span> size = array->size();</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <a class="code hl_define" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(size, new_size);</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> array->DeleteSubrange(new_size, size - new_size);</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span>}</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment">// Removes the elements at the indices specified by 'indices' from 'array' in</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="comment">// time linear in the size of 'array' (on average, even when 'indices' is a</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="comment">// singleton) while preserving the relative order of the remaining elements.</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment">// The indices must be a container of ints in strictly increasing order, such</span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="comment">// as vector<int>, set<int> or initializer_list<int>, and in the range [0, N -</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="comment">// 1] where N is the number of elements in 'array', and RepeatedType must be</span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="comment">// RepeatedField or RepeatedPtrField.</span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="comment">// Returns number of elements erased.</span></div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="keyword">template</span> <<span class="keyword">typename</span> RepeatedType, <span class="keyword">typename</span> IndexContainer = std::vector<<span class="keywordtype">int</span>>></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="namespacegoogle_1_1protobuf_1_1util.html#a226602739b000b3f363e6614ddbd91e9"> 40</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="namespacegoogle_1_1protobuf_1_1util.html#a226602739b000b3f363e6614ddbd91e9">RemoveAt</a>(RepeatedType* array, <span class="keyword">const</span> IndexContainer& indices) {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">if</span> (indices.size() == 0) {</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> }</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_indices = indices.size();</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">const</span> <span class="keywordtype">int</span> num_elements = array->size();</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <a class="code hl_define" href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(num_indices, num_elements);</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> (num_indices == num_elements) {</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// Assumes that 'indices' consists of [0 ... N-1].</span></div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> array->Clear();</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> num_indices;</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> }</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">typename</span> IndexContainer::const_iterator remove_iter = indices.begin();</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordtype">int</span> write_index = *(remove_iter++);</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> scan = write_index + 1; scan < num_elements; ++scan) {</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">if</span> (remove_iter != indices.end() && *remove_iter == scan) {</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> ++remove_iter;</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> array->SwapElements(scan, write_index++);</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <a class="code hl_define" href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(write_index, num_elements - num_indices);</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_function" href="namespacegoogle_1_1protobuf_1_1util.html#afd2a6d1b791960a00ffff73870a7452c">Truncate</a>(array, write_index);</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> num_indices;</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>}</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>} <span class="comment">// namespace util</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span>} <span class="comment">// namespace protobuf</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>} <span class="comment">// namespace google</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="preprocessor">#endif </span><span class="comment">// OR_TOOLS_BASE_PROTOBUF_UTIL_H_</span></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2"><div class="ttname"><a href="base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a></div><div class="ttdeci">#define DCHECK_LE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00888">base/logging.h:888</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295"><div class="ttname"><a href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a></div><div class="ttdeci">#define DCHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00890">base/logging.h:890</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0"><div class="ttname"><a href="base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a></div><div class="ttdeci">#define DCHECK_EQ(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00886">base/logging.h:886</a></div></div>
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<div class="ttc" id="anamespacegoogle_1_1protobuf_1_1util_html_a226602739b000b3f363e6614ddbd91e9"><div class="ttname"><a href="namespacegoogle_1_1protobuf_1_1util.html#a226602739b000b3f363e6614ddbd91e9">google::protobuf::util::RemoveAt</a></div><div class="ttdeci">int RemoveAt(RepeatedType *array, const IndexContainer &indices)</div><div class="ttdef"><b>Definition:</b> <a href="protobuf__util_8h_source.html#l00040">protobuf_util.h:40</a></div></div>
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<div class="ttc" id="anamespacegoogle_1_1protobuf_1_1util_html_afd2a6d1b791960a00ffff73870a7452c"><div class="ttname"><a href="namespacegoogle_1_1protobuf_1_1util.html#afd2a6d1b791960a00ffff73870a7452c">google::protobuf::util::Truncate</a></div><div class="ttdeci">void Truncate(RepeatedPtrField< T > *array, int new_size)</div><div class="ttdef"><b>Definition:</b> <a href="protobuf__util_8h_source.html#l00025">protobuf_util.h:25</a></div></div>
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<div class="ttc" id="anamespacegoogle_html"><div class="ttname"><a href="namespacegoogle.html">google</a></div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00024">log_severity.h:24</a></div></div>
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<div class="ttc" id="anamespaceutil_html"><div class="ttname"><a href="namespaceutil.html">util</a></div><div class="ttdef"><b>Definition:</b> <a href="status__builder_8h_source.html#l00021">status_builder.h:21</a></div></div>
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