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155 lines
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<div class="title">base/file.h</div> </div>
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<a href="base_2file_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 2010-2021 Google LLC</span></div><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><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><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><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div><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><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><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><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><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><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><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef OR_TOOLS_BASE_FILE_H_</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define OR_TOOLS_BASE_FILE_H_</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <cstdio></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <cstdlib></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "absl/status/status.h"</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "absl/strings/string_view.h"</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "google/protobuf/descriptor.h"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "google/protobuf/io/tokenizer.h"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "google/protobuf/message.h"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "google/protobuf/text_format.h"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="integral__types_8h.html">ortools/base/integral_types.h</a>"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// This file defines some IO interfaces for compatibility with Google</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// IO specifications.</span></div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="class_file.html"> 32</a></span> <span class="keyword">class </span><a class="code" href="class_file.html">File</a> {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// Opens file "name" with flags specified by "flag".</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// Flags are defined by fopen(), that is "r", "r+", "w", "w+". "a", and "a+".</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">static</span> <a class="code" href="class_file.html">File</a>* <a class="code" href="class_file.html#a07188aac2d96e339c757acc2f502ccc6">Open</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> flag);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#ifndef SWIG // no overloading</span></div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="class_file.html#adfaaa92cca1c356b7a4047740f401267"> 39</a></span>  <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="class_file.html">File</a>* <a class="code" href="class_file.html#adfaaa92cca1c356b7a4047740f401267">Open</a>(<span class="keyword">const</span> absl::string_view& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> mode) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> <a class="code" href="class_file.html#a07188aac2d96e339c757acc2f502ccc6">Open</a>(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>.data(), mode);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#endif // SWIG</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// Opens file "name" with flags specified by "flag".</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// If open failed, program will exit.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">static</span> <a class="code" href="class_file.html">File</a>* <a class="code" href="class_file.html#a12b1807483aec6e4e08b2fbf5b099609">OpenOrDie</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> flag);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#ifndef SWIG // no overloading</span></div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="class_file.html#a0b7082efd58c0a1e520d6b215d508f7c"> 50</a></span>  <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="class_file.html">File</a>* <a class="code" href="class_file.html#a0b7082efd58c0a1e520d6b215d508f7c">OpenOrDie</a>(<span class="keyword">const</span> absl::string_view& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> flag) {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> <a class="code" href="class_file.html#a12b1807483aec6e4e08b2fbf5b099609">OpenOrDie</a>(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>.data(), flag);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif // SWIG</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Reads "size" bytes to buff from file, buff should be pre-allocated.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">size_t</span> <a class="code" href="class_file.html#a7c528f4c5a9323874493ac186236ac14">Read</a>(<span class="keywordtype">void</span>* <span class="keyword">const</span> buff, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// Reads "size" bytes to buff from file, buff should be pre-allocated.</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// If read failed, program will exit.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> <a class="code" href="class_file.html#a5971da164c77aa51a53276e12d6eb194">ReadOrDie</a>(<span class="keywordtype">void</span>* <span class="keyword">const</span> buff, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// Reads a line from file to a string.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// Each line must be no more than max_length bytes.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">char</span>* <a class="code" href="class_file.html#a336733628d42e50adb69e48d4b99ba19">ReadLine</a>(<span class="keywordtype">char</span>* <span class="keyword">const</span> output, uint64_t max_length);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// Reads the whole file to a string, with a maximum length of 'max_length'.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// Returns the number of bytes read.</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  int64_t <a class="code" href="class_file.html#a2f3ed179a0d3b48527a511dd2e5bcccf">ReadToString</a>(std::string* <span class="keyword">const</span> line, uint64_t max_length);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// Writes "size" bytes of buff to file, buff should be pre-allocated.</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">size_t</span> <a class="code" href="class_file.html#a5b5afc5f01596f16da698ef36e52254b">Write</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* <span class="keyword">const</span> buff, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// Writes "size" bytes of buff to file, buff should be pre-allocated.</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// If write failed, program will exit.</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">void</span> <a class="code" href="class_file.html#a4b267074342c283392f3c5dd1ef8f484">WriteOrDie</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* <span class="keyword">const</span> buff, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Writes a string to file.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">size_t</span> <a class="code" href="class_file.html#acdd94cf58666963ca27aa57a1bf0b004">WriteString</a>(<span class="keyword">const</span> std::string& line);</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</span>  <span class="comment">// Writes a string to file and append a "\n".</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">bool</span> <a class="code" href="class_file.html#a7e39a88c5efd5091de7e055d3c603faf">WriteLine</a>(<span class="keyword">const</span> std::string& line);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Closes the file.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">bool</span> <a class="code" href="class_file.html#aef7e3d18ef267f23f64ad397fa359cc1">Close</a>();</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  absl::Status <a class="code" href="class_file.html#aef7e3d18ef267f23f64ad397fa359cc1">Close</a>(<span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Flushes buffer.</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">bool</span> <a class="code" href="class_file.html#a4da7f21f19bf1845c431403863efb2c1">Flush</a>();</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// Returns file size.</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">size_t</span> <a class="code" href="class_file.html#a7b470b21b5807f0a9162bef72aebfef9">Size</a>();</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Inits internal data structures.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="class_file.html#a1e3b6d38df0786ccf7f938d60e386aae">Init</a>();</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// Returns the file name.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  absl::string_view <a class="code" href="class_file.html#a949f58190d136c866889dbdfd0d46eef">filename</a>() <span class="keyword">const</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="comment">// Deletes a file.</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="class_file.html#a841d8893e6b6d9ee5e9ecba647591843">Delete</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="class_file.html#aee8fe58e5e1bc6afcae7a5e8a255f545"> 102</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="class_file.html#aee8fe58e5e1bc6afcae7a5e8a255f545">Delete</a>(<span class="keyword">const</span> absl::string_view& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>) {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> <a class="code" href="class_file.html#a841d8893e6b6d9ee5e9ecba647591843">Delete</a>(<a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>.data());</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</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>  <span class="comment">// Tests if a file exists.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="class_file.html#a49ef8b316f7bb7968563ae825f714383">Exists</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">bool</span> <a class="code" href="class_file.html#a07188aac2d96e339c757acc2f502ccc6">Open</a>() <span class="keyword">const</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="keyword">private</span>:</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="class_file.html">File</a>(FILE* <span class="keyword">const</span> descriptor, <span class="keyword">const</span> absl::string_view& <a class="code" href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a>);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  FILE* f_;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> absl::string_view name_;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> };</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">namespace </span><a class="code" href="namespacefile.html">file</a> {</div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681"> 119</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">Defaults</a>() { <span class="keywordflow">return</span> 0xBABA; }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment">// As of 2016-01, these methods can only be used with flags = file::Defaults().</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> absl::Status <a class="code" href="namespacefile.html#acba1e524f6f44768144843be45405223">Open</a>(<span class="keyword">const</span> absl::string_view& filename,</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> absl::string_view& mode, <a class="code" href="class_file.html">File</a>** f, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <a class="code" href="class_file.html">File</a>* <a class="code" href="namespacefile.html#a38270c9b9606599c428aad7d942ba033">OpenOrDie</a>(<span class="keyword">const</span> absl::string_view& filename,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> absl::string_view& mode, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> absl::Status <a class="code" href="namespacefile.html#a5cb1dcdd93aee8846abedf0f5905ba65">GetTextProto</a>(<span class="keyword">const</span> absl::string_view& filename,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  google::protobuf::Message* <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> absl::Status <a class="code" href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">SetTextProto</a>(<span class="keyword">const</span> absl::string_view& filename,</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> google::protobuf::Message& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> absl::Status <a class="code" href="namespacefile.html#ac100e60bbcbcf6c844ed551c96207cbb">SetBinaryProto</a>(<span class="keyword">const</span> absl::string_view& filename,</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> google::protobuf::Message& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> absl::Status <a class="code" href="namespacefile.html#ae612ac5fffd37d180718bfe45d8ee445">SetContents</a>(<span class="keyword">const</span> absl::string_view& filename,</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> absl::string_view& contents, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> absl::Status <a class="code" href="namespacefile.html#a0d5c85404c75c45579847f873589737f">GetContents</a>(<span class="keyword">const</span> absl::string_view& filename, std::string* output,</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> absl::Status <a class="code" href="namespacefile.html#a076b0cad1794671953aa9a8b8f9cf943">WriteString</a>(<a class="code" href="class_file.html">File</a>* <a class="code" href="namespacefile.html">file</a>, <span class="keyword">const</span> absl::string_view& contents,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keywordtype">bool</span> <a class="code" href="namespacefile.html#a33739b3287e0ffd720323a9a99c8e235">ReadFileToString</a>(<span class="keyword">const</span> absl::string_view& file_name, std::string* output);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">bool</span> <a class="code" href="namespacefile.html#ac035c14b17f64b38c0c6124f417c8c57">WriteStringToFile</a>(<span class="keyword">const</span> std::string& data,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> absl::string_view& file_name);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">bool</span> <a class="code" href="namespacefile.html#ac369616003cf0a5bed26bd8eb11427d8">ReadFileToProto</a>(<span class="keyword">const</span> absl::string_view& file_name,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  google::protobuf::Message* <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">void</span> <a class="code" href="namespacefile.html#afa73957620c5eba75032a3628a43189e">ReadFileToProtoOrDie</a>(<span class="keyword">const</span> absl::string_view& file_name,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  google::protobuf::Message* <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>);</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">bool</span> <a class="code" href="namespacefile.html#a9726209c9773d66337e02a77d0ea0f73">WriteProtoToASCIIFile</a>(<span class="keyword">const</span> google::protobuf::Message& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>,</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> absl::string_view& file_name);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="keywordtype">void</span> <a class="code" href="namespacefile.html#a56c5fb3349d294040c8ff4860214839e">WriteProtoToASCIIFileOrDie</a>(<span class="keyword">const</span> google::protobuf::Message& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> absl::string_view& file_name);</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">bool</span> <a class="code" href="namespacefile.html#a5a8746aab2d48a36da6cebae1244368f">WriteProtoToFile</a>(<span class="keyword">const</span> google::protobuf::Message& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>,</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> absl::string_view& file_name);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">void</span> <a class="code" href="namespacefile.html#a876db8481c75505c70f7f4b529529bd5">WriteProtoToFileOrDie</a>(<span class="keyword">const</span> google::protobuf::Message& <a class="code" href="cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2">proto</a>,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> absl::string_view& file_name);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> absl::Status <a class="code" href="namespacefile.html#a34f188de33adc1532e7d866bc9f1f184">Delete</a>(<span class="keyword">const</span> absl::string_view& path, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> absl::Status <a class="code" href="namespacefile.html#ac6f3c229785a7dec92977b4f3bc4a5bc">Exists</a>(<span class="keyword">const</span> absl::string_view& path, <span class="keywordtype">int</span> flags);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> } <span class="comment">// namespace file</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor">#endif // OR_TOOLS_BASE_FILE_H_</span></div><div class="ttc" id="namespacefile_html_ac100e60bbcbcf6c844ed551c96207cbb"><div class="ttname"><a href="namespacefile.html#ac100e60bbcbcf6c844ed551c96207cbb">file::SetBinaryProto</a></div><div class="ttdeci">absl::Status SetBinaryProto(const absl::string_view &filename, const google::protobuf::Message &proto, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00295">base/file.cc:295</a></div></div>
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<div class="ttc" id="class_file_html_a949f58190d136c866889dbdfd0d46eef"><div class="ttname"><a href="class_file.html#a949f58190d136c866889dbdfd0d46eef">File::filename</a></div><div class="ttdeci">absl::string_view filename() const</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00135">base/file.cc:135</a></div></div>
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<div class="ttc" id="class_file_html_acdd94cf58666963ca27aa57a1bf0b004"><div class="ttname"><a href="class_file.html#acdd94cf58666963ca27aa57a1bf0b004">File::WriteString</a></div><div class="ttdeci">size_t WriteString(const std::string &line)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00126">base/file.cc:126</a></div></div>
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<div class="ttc" id="namespacefile_html_ac6f3c229785a7dec92977b4f3bc4a5bc"><div class="ttname"><a href="namespacefile.html#ac6f3c229785a7dec92977b4f3bc4a5bc">file::Exists</a></div><div class="ttdeci">absl::Status Exists(const absl::string_view &path, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00313">base/file.cc:313</a></div></div>
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<div class="ttc" id="class_file_html"><div class="ttname"><a href="class_file.html">File</a></div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00032">base/file.h:32</a></div></div>
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<div class="ttc" id="class_file_html_a0b7082efd58c0a1e520d6b215d508f7c"><div class="ttname"><a href="class_file.html#a0b7082efd58c0a1e520d6b215d508f7c">File::OpenOrDie</a></div><div class="ttdeci">static File * OpenOrDie(const absl::string_view &name, const char *const flag)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00050">base/file.h:50</a></div></div>
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<div class="ttc" id="namespacefile_html_a9af024752012188b3269e30b0d9021c4"><div class="ttname"><a href="namespacefile.html#a9af024752012188b3269e30b0d9021c4">file::SetTextProto</a></div><div class="ttdeci">absl::Status SetTextProto(const absl::string_view &filename, const google::protobuf::Message &proto, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00285">base/file.cc:285</a></div></div>
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<div class="ttc" id="class_file_html_a07188aac2d96e339c757acc2f502ccc6"><div class="ttname"><a href="class_file.html#a07188aac2d96e339c757acc2f502ccc6">File::Open</a></div><div class="ttdeci">bool Open() const</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00137">base/file.cc:137</a></div></div>
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<div class="ttc" id="namespacefile_html_a34f188de33adc1532e7d866bc9f1f184"><div class="ttname"><a href="namespacefile.html#a34f188de33adc1532e7d866bc9f1f184">file::Delete</a></div><div class="ttdeci">absl::Status Delete(const absl::string_view &path, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00305">base/file.cc:305</a></div></div>
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<div class="ttc" id="class_file_html_a49ef8b316f7bb7968563ae825f714383"><div class="ttname"><a href="class_file.html#a49ef8b316f7bb7968563ae825f714383">File::Exists</a></div><div class="ttdeci">static bool Exists(const char *const name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00038">base/file.cc:38</a></div></div>
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<div class="ttc" id="default__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267"><div class="ttname"><a href="default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267">name</a></div><div class="ttdeci">const std::string name</div><div class="ttdef"><b>Definition:</b> <a href="default__search_8cc_source.html#l00813">default_search.cc:813</a></div></div>
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<div class="ttc" id="class_file_html_a7b470b21b5807f0a9162bef72aebfef9"><div class="ttname"><a href="class_file.html#a7b470b21b5807f0a9162bef72aebfef9">File::Size</a></div><div class="ttdeci">size_t Size()</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00040">base/file.cc:40</a></div></div>
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<div class="ttc" id="class_file_html_a1e3b6d38df0786ccf7f938d60e386aae"><div class="ttname"><a href="class_file.html#a1e3b6d38df0786ccf7f938d60e386aae">File::Init</a></div><div class="ttdeci">static void Init()</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00139">base/file.cc:139</a></div></div>
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<div class="ttc" id="namespacefile_html_a876db8481c75505c70f7f4b529529bd5"><div class="ttname"><a href="namespacefile.html#a876db8481c75505c70f7f4b529529bd5">file::WriteProtoToFileOrDie</a></div><div class="ttdeci">void WriteProtoToFileOrDie(const google::protobuf::Message &proto, const absl::string_view &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00270">base/file.cc:270</a></div></div>
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<div class="ttc" id="integral__types_8h_html"><div class="ttname"><a href="integral__types_8h.html">integral_types.h</a></div></div>
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<div class="ttc" id="class_file_html_a841d8893e6b6d9ee5e9ecba647591843"><div class="ttname"><a href="class_file.html#a841d8893e6b6d9ee5e9ecba647591843">File::Delete</a></div><div class="ttdeci">static bool Delete(const char *const name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00036">base/file.cc:36</a></div></div>
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<div class="ttc" id="namespacefile_html_a56c5fb3349d294040c8ff4860214839e"><div class="ttname"><a href="namespacefile.html#a56c5fb3349d294040c8ff4860214839e">file::WriteProtoToASCIIFileOrDie</a></div><div class="ttdeci">void WriteProtoToASCIIFileOrDie(const google::protobuf::Message &proto, const absl::string_view &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00258">base/file.cc:258</a></div></div>
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<div class="ttc" id="class_file_html_a2f3ed179a0d3b48527a511dd2e5bcccf"><div class="ttname"><a href="class_file.html#a2f3ed179a0d3b48527a511dd2e5bcccf">File::ReadToString</a></div><div class="ttdeci">int64_t ReadToString(std::string *const line, uint64_t max_length)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00102">base/file.cc:102</a></div></div>
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<div class="ttc" id="class_file_html_adfaaa92cca1c356b7a4047740f401267"><div class="ttname"><a href="class_file.html#adfaaa92cca1c356b7a4047740f401267">File::Open</a></div><div class="ttdeci">static File * Open(const absl::string_view &name, const char *const mode)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00039">base/file.h:39</a></div></div>
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<div class="ttc" id="class_file_html_a5971da164c77aa51a53276e12d6eb194"><div class="ttname"><a href="class_file.html#a5971da164c77aa51a53276e12d6eb194">File::ReadOrDie</a></div><div class="ttdeci">void ReadOrDie(void *const buff, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00066">base/file.cc:66</a></div></div>
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<div class="ttc" id="namespacefile_html_afa73957620c5eba75032a3628a43189e"><div class="ttname"><a href="namespacefile.html#afa73957620c5eba75032a3628a43189e">file::ReadFileToProtoOrDie</a></div><div class="ttdeci">void ReadFileToProtoOrDie(const absl::string_view &file_name, google::protobuf::Message *proto)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00246">base/file.cc:246</a></div></div>
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<div class="ttc" id="cp__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#l00119">cp_model_fz_solver.cc:119</a></div></div>
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<div class="ttc" id="namespacefile_html_a9726209c9773d66337e02a77d0ea0f73"><div class="ttname"><a href="namespacefile.html#a9726209c9773d66337e02a77d0ea0f73">file::WriteProtoToASCIIFile</a></div><div class="ttdeci">bool WriteProtoToASCIIFile(const google::protobuf::Message &proto, const absl::string_view &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00251">base/file.cc:251</a></div></div>
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<div class="ttc" id="namespacefile_html_a1abdf766bb120d38e7a4dfa200972681"><div class="ttname"><a href="namespacefile.html#a1abdf766bb120d38e7a4dfa200972681">file::Defaults</a></div><div class="ttdeci">int Defaults()</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00119">base/file.h:119</a></div></div>
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<div class="ttc" id="class_file_html_a5b5afc5f01596f16da698ef36e52254b"><div class="ttname"><a href="class_file.html#a5b5afc5f01596f16da698ef36e52254b">File::Write</a></div><div class="ttdeci">size_t Write(const void *const buff, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00077">base/file.cc:77</a></div></div>
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<div class="ttc" id="class_file_html_a336733628d42e50adb69e48d4b99ba19"><div class="ttname"><a href="class_file.html#a336733628d42e50adb69e48d4b99ba19">File::ReadLine</a></div><div class="ttdeci">char * ReadLine(char *const output, uint64_t max_length)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00098">base/file.cc:98</a></div></div>
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<div class="ttc" id="namespacefile_html_ae612ac5fffd37d180718bfe45d8ee445"><div class="ttname"><a href="namespacefile.html#ae612ac5fffd37d180718bfe45d8ee445">file::SetContents</a></div><div class="ttdeci">absl::Status SetContents(const absl::string_view &filename, const absl::string_view &contents, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00196">base/file.cc:196</a></div></div>
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<div class="ttc" id="class_file_html_a7e39a88c5efd5091de7e055d3c603faf"><div class="ttname"><a href="class_file.html#a7e39a88c5efd5091de7e055d3c603faf">File::WriteLine</a></div><div class="ttdeci">bool WriteLine(const std::string &line)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00130">base/file.cc:130</a></div></div>
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<div class="ttc" id="class_file_html_aee8fe58e5e1bc6afcae7a5e8a255f545"><div class="ttname"><a href="class_file.html#aee8fe58e5e1bc6afcae7a5e8a255f545">File::Delete</a></div><div class="ttdeci">static bool Delete(const absl::string_view &name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8h_source.html#l00102">base/file.h:102</a></div></div>
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<div class="ttc" id="namespacefile_html_a38270c9b9606599c428aad7d942ba033"><div class="ttname"><a href="namespacefile.html#a38270c9b9606599c428aad7d942ba033">file::OpenOrDie</a></div><div class="ttdeci">File * OpenOrDie(const absl::string_view &filename, const absl::string_view &mode, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00154">base/file.cc:154</a></div></div>
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<div class="ttc" id="class_file_html_a7c528f4c5a9323874493ac186236ac14"><div class="ttname"><a href="class_file.html#a7c528f4c5a9323874493ac186236ac14">File::Read</a></div><div class="ttdeci">size_t Read(void *const buff, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00070">base/file.cc:70</a></div></div>
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<div class="ttc" id="base_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="namespacefile_html_a5a8746aab2d48a36da6cebae1244368f"><div class="ttname"><a href="namespacefile.html#a5a8746aab2d48a36da6cebae1244368f">file::WriteProtoToFile</a></div><div class="ttdeci">bool WriteProtoToFile(const google::protobuf::Message &proto, const absl::string_view &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00263">base/file.cc:263</a></div></div>
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<div class="ttc" id="namespacefile_html_a0d5c85404c75c45579847f873589737f"><div class="ttname"><a href="namespacefile.html#a0d5c85404c75c45579847f873589737f">file::GetContents</a></div><div class="ttdeci">absl::Status GetContents(const absl::string_view &filename, std::string *output, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00163">base/file.cc:163</a></div></div>
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<div class="ttc" id="namespacefile_html_a5cb1dcdd93aee8846abedf0f5905ba65"><div class="ttname"><a href="namespacefile.html#a5cb1dcdd93aee8846abedf0f5905ba65">file::GetTextProto</a></div><div class="ttdeci">absl::Status GetTextProto(const absl::string_view &filename, google::protobuf::Message *proto, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00275">base/file.cc:275</a></div></div>
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<div class="ttc" id="namespacefile_html_ac035c14b17f64b38c0c6124f417c8c57"><div class="ttname"><a href="namespacefile.html#ac035c14b17f64b38c0c6124f417c8c57">file::WriteStringToFile</a></div><div class="ttdeci">bool WriteStringToFile(const std::string &data, const absl::string_view &file_name)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00205">base/file.cc:205</a></div></div>
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<div class="ttc" id="namespacefile_html_acba1e524f6f44768144843be45405223"><div class="ttname"><a href="namespacefile.html#acba1e524f6f44768144843be45405223">file::Open</a></div><div class="ttdeci">absl::Status Open(const absl::string_view &filename, const absl::string_view &mode, File **f, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00142">base/file.cc:142</a></div></div>
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<div class="ttc" id="class_file_html_a12b1807483aec6e4e08b2fbf5b099609"><div class="ttname"><a href="class_file.html#a12b1807483aec6e4e08b2fbf5b099609">File::OpenOrDie</a></div><div class="ttdeci">static File * OpenOrDie(const char *const name, const char *const flag)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00081">base/file.cc:81</a></div></div>
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<div class="ttc" id="class_file_html_a4b267074342c283392f3c5dd1ef8f484"><div class="ttname"><a href="class_file.html#a4b267074342c283392f3c5dd1ef8f484">File::WriteOrDie</a></div><div class="ttdeci">void WriteOrDie(const void *const buff, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00074">base/file.cc:74</a></div></div>
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<div class="ttc" id="class_file_html_a4da7f21f19bf1845c431403863efb2c1"><div class="ttname"><a href="class_file.html#a4da7f21f19bf1845c431403863efb2c1">File::Flush</a></div><div class="ttdeci">bool Flush()</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00046">base/file.cc:46</a></div></div>
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<div class="ttc" id="namespacefile_html"><div class="ttname"><a href="namespacefile.html">file</a></div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00141">base/file.cc:141</a></div></div>
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<div class="ttc" id="class_file_html_aef7e3d18ef267f23f64ad397fa359cc1"><div class="ttname"><a href="class_file.html#aef7e3d18ef267f23f64ad397fa359cc1">File::Close</a></div><div class="ttdeci">bool Close()</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00048">base/file.cc:48</a></div></div>
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<div class="ttc" id="namespacefile_html_ac369616003cf0a5bed26bd8eb11427d8"><div class="ttname"><a href="namespacefile.html#ac369616003cf0a5bed26bd8eb11427d8">file::ReadFileToProto</a></div><div class="ttdeci">bool ReadFileToProto(const absl::string_view &file_name, google::protobuf::Message *proto)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00217">base/file.cc:217</a></div></div>
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<div class="ttc" id="namespacefile_html_a33739b3287e0ffd720323a9a99c8e235"><div class="ttname"><a href="namespacefile.html#a33739b3287e0ffd720323a9a99c8e235">file::ReadFileToString</a></div><div class="ttdeci">bool ReadFileToString(const absl::string_view &file_name, std::string *output)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00201">base/file.cc:201</a></div></div>
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<div class="ttc" id="namespacefile_html_a076b0cad1794671953aa9a8b8f9cf943"><div class="ttname"><a href="namespacefile.html#a076b0cad1794671953aa9a8b8f9cf943">file::WriteString</a></div><div class="ttdeci">absl::Status WriteString(File *file, const absl::string_view &contents, int flags)</div><div class="ttdef"><b>Definition:</b> <a href="base_2file_8cc_source.html#l00184">base/file.cc:184</a></div></div>
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