| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| <meta name="generator" content="Doxygen 1.8.11"/> |
| <title>Kudu C++ client API: include/kudu/util/slice.h Source File</title> |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="dynsections.js"></script> |
| <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="search/searchdata.js"></script> |
| <script type="text/javascript" src="search/search.js"></script> |
| <script type="text/javascript"> |
| $(document).ready(function() { init_search(); }); |
| </script> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| </head> |
| <body> |
| <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr style="height: 56px;"> |
| <td id="projectalign" style="padding-left: 0.5em;"> |
| <div id="projectname">Kudu C++ client API |
| </div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.8.11 --> |
| <script type="text/javascript"> |
| var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| </script> |
| <div id="navrow1" class="tabs"> |
| <ul class="tablist"> |
| <li><a href="index.html"><span>Main Page</span></a></li> |
| <li><a href="pages.html"><span>Related Pages</span></a></li> |
| <li><a href="annotated.html"><span>Classes</span></a></li> |
| <li class="current"><a href="files.html"><span>Files</span></a></li> |
| <li> |
| <div id="MSearchBox" class="MSearchBoxInactive"> |
| <span class="left"> |
| <img id="MSearchSelect" src="search/mag_sel.png" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| alt=""/> |
| <input type="text" id="MSearchField" value="Search" accesskey="S" |
| onfocus="searchBox.OnSearchFieldFocus(true)" |
| onblur="searchBox.OnSearchFieldFocus(false)" |
| onkeyup="searchBox.OnSearchFieldChange(event)"/> |
| </span><span class="right"> |
| <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> |
| </span> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div id="navrow2" class="tabs2"> |
| <ul class="tablist"> |
| <li><a href="files.html"><span>File List</span></a></li> |
| <li><a href="globals.html"><span>File Members</span></a></li> |
| </ul> |
| </div> |
| <!-- window showing the filter options --> |
| <div id="MSearchSelectWindow" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| </div> |
| |
| <!-- iframe showing the search results (closed by default) --> |
| <div id="MSearchResultsWindow"> |
| <iframe src="javascript:void(0)" frameborder="0" |
| name="MSearchResults" id="MSearchResults"> |
| </iframe> |
| </div> |
| |
| <div id="nav-path" class="navpath"> |
| <ul> |
| <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_58b01e52e53886b8d78ab5060a2cd2bd.html">kudu</a></li><li class="navelem"><a class="el" href="dir_e8a2e446cf73a5a1ae0ad6a5a21b6d03.html">util</a></li> </ul> |
| </div> |
| </div><!-- top --> |
| <div class="header"> |
| <div class="headertitle"> |
| <div class="title">slice.h</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright (c) 2011 The LevelDB Authors. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// found in the LICENSE file. See the AUTHORS file for names of contributors.</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> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef KUDU_UTIL_SLICE_H_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define KUDU_UTIL_SLICE_H_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// NOTE: using stdint.h instead of cstdint because this file is supposed</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// to be processed by a compiler lacking C++11 support.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <stdint.h></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">#include <cassert></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <cstddef></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <cstring></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <iosfwd></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <map></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">#ifdef KUDU_HEADERS_USE_RICH_SLICE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "kudu/gutil/strings/fastmem.h"</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "kudu/gutil/strings/stringpiece.h"</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "kudu/util/faststring.h"</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifdef KUDU_HEADERS_NO_STUBS</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "kudu/gutil/port.h"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "kudu/util/kudu_export.h"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span><a class="code" href="namespacekudu.html">kudu</a> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">class </span>Status;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html"> 50</a></span> <span class="keyword">class </span>KUDU_EXPORT <a class="code" href="classkudu_1_1Slice.html">Slice</a> {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#aaee66c59ee434349680679bdf0462b66"> 53</a></span>  <a class="code" href="classkudu_1_1Slice.html#aaee66c59ee434349680679bdf0462b66">Slice</a>() : data_(reinterpret_cast<const uint8_t *>(<span class="stringliteral">""</span>)),</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  size_(0) { }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a904b8732b247676c52cbd9147b34c54c"> 62</a></span>  <a class="code" href="classkudu_1_1Slice.html#a904b8732b247676c52cbd9147b34c54c">Slice</a>(<span class="keyword">const</span> uint8_t* d, <span class="keywordtype">size_t</span> n) : data_(d), size_(n) { }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a9cb396203dd2c589e7d4f10bd80461d5"> 70</a></span>  <a class="code" href="classkudu_1_1Slice.html#a9cb396203dd2c589e7d4f10bd80461d5">Slice</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* d, <span class="keywordtype">size_t</span> n) :</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  data_(reinterpret_cast<const uint8_t *>(d)),</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  size_(n) { }</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a13838e07b6dcea1895a774ab1ba62bdd"> 78</a></span>  <a class="code" href="classkudu_1_1Slice.html#a13838e07b6dcea1895a774ab1ba62bdd">Slice</a>(<span class="keyword">const</span> std::string& s) : <span class="comment">// NOLINT(runtime/explicit)</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  data_(reinterpret_cast<const uint8_t *>(s.data())),</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  size_(s.size()) { }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#ae8c6057eea15f8136e62255fd766e345"> 86</a></span>  <a class="code" href="classkudu_1_1Slice.html#ae8c6057eea15f8136e62255fd766e345">Slice</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* s) : <span class="comment">// NOLINT(runtime/explicit)</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  data_(reinterpret_cast<const uint8_t *>(s)),</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  size_(strlen(s)) { }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#ifdef KUDU_HEADERS_USE_RICH_SLICE</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="classkudu_1_1Slice.html">Slice</a>(<span class="keyword">const</span> faststring &s) <span class="comment">// NOLINT(runtime/explicit)</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  : data_(s.data()),</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  size_(s.size()) {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="classkudu_1_1Slice.html">Slice</a>(<span class="keyword">const</span> StringPiece& s) <span class="comment">// NOLINT(runtime/explicit)</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  : data_(reinterpret_cast<const uint8_t*>(s.data())),</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  size_(s.size()) {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a2d90a4590b995fb55229d25effb0c5bb"> 113</a></span>  <span class="keyword">const</span> uint8_t* <a class="code" href="classkudu_1_1Slice.html#a2d90a4590b995fb55229d25effb0c5bb">data</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> data_; }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a2771156d34daa166067b8d319ad7d164"> 116</a></span>  uint8_t *<a class="code" href="classkudu_1_1Slice.html#a2771156d34daa166067b8d319ad7d164">mutable_data</a>() { <span class="keywordflow">return</span> <span class="keyword">const_cast<</span>uint8_t *<span class="keyword">></span>(data_); }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a141b4a1fc0555d57f192e574e427c146"> 119</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classkudu_1_1Slice.html#a141b4a1fc0555d57f192e574e427c146">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> size_; }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a79e41b882b0a85259be89f5698e27372"> 122</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classkudu_1_1Slice.html#a79e41b882b0a85259be89f5698e27372">empty</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> size_ == 0; }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a5ff06bc0fd9734536a464e604ec226f2"> 129</a></span>  <span class="keyword">const</span> uint8_t &<a class="code" href="classkudu_1_1Slice.html#a5ff06bc0fd9734536a464e604ec226f2">operator[]</a>(<span class="keywordtype">size_t</span> n)<span class="keyword"> const </span>{</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  assert(n < size());</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> data_[n];</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="l00135"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#afb914c0769f019a7c2f28b755cba5eb5"> 135</a></span>  <span class="keywordtype">void</span> <a class="code" href="classkudu_1_1Slice.html#afb914c0769f019a7c2f28b755cba5eb5">clear</a>() {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  data_ = <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>uint8_t *<span class="keyword">></span>(<span class="stringliteral">""</span>);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  size_ = 0;</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> </div><div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a00f5d310f9ebf17c198cf3feb69c3842"> 149</a></span>  <span class="keywordtype">void</span> <a class="code" href="classkudu_1_1Slice.html#a00f5d310f9ebf17c198cf3feb69c3842">remove_prefix</a>(<span class="keywordtype">size_t</span> n) {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  assert(n <= size());</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  data_ += n;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  size_ -= n;</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> </div><div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a20f1c8e91ff0209e5c8f86766ef63d44"> 164</a></span>  <span class="keywordtype">void</span> <a class="code" href="classkudu_1_1Slice.html#a20f1c8e91ff0209e5c8f86766ef63d44">truncate</a>(<span class="keywordtype">size_t</span> n) {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  assert(n <= size());</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  size_ = n;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="classkudu_1_1Status.html">Status</a> check_size(<span class="keywordtype">size_t</span> expected_size) <span class="keyword">const</span>;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  std::string ToString() <span class="keyword">const</span>;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  std::string ToDebugString(<span class="keywordtype">size_t</span> max_len = 0) <span class="keyword">const</span>;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">int</span> compare(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& b) <span class="keyword">const</span>;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a3ad7697d76b8205099d43ca552c12b8d"> 200</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classkudu_1_1Slice.html#a3ad7697d76b8205099d43ca552c12b8d">starts_with</a>(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& x)<span class="keyword"> const </span>{</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> ((size_ >= x.size_) &&</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  (MemEqual(data_, x.data_, x.size_)));</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="structkudu_1_1Slice_1_1Comparator.html"> 206</a></span>  <span class="keyword">struct </span><a class="code" href="structkudu_1_1Slice_1_1Comparator.html">Comparator</a> {</div><div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="structkudu_1_1Slice_1_1Comparator.html#a2f33c829e2febd880f9cbcbebb08fa6a"> 214</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structkudu_1_1Slice_1_1Comparator.html#a2f33c829e2febd880f9cbcbebb08fa6a">operator()</a>(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& a, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& b)<span class="keyword"> const </span>{</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">return</span> a.<a class="code" href="classkudu_1_1Slice.html#a0ecc8d893b73a664c69396ad30b14d98">compare</a>(b) < 0;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  };</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00225"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a4bb1c9fe13873623b5a5a118830b1806"> 225</a></span>  <span class="keywordtype">void</span> <a class="code" href="classkudu_1_1Slice.html#a4bb1c9fe13873623b5a5a118830b1806">relocate</a>(uint8_t* d) {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (data_ != d) {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  memcpy(d, data_, size_);</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  data_ = d;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& x, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& y);</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>  <span class="keyword">static</span> <span class="keywordtype">bool</span> MemEqual(<span class="keyword">const</span> <span class="keywordtype">void</span>* a, <span class="keyword">const</span> <span class="keywordtype">void</span>* b, <span class="keywordtype">size_t</span> n) {</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#ifdef KUDU_HEADERS_USE_RICH_SLICE</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span> strings::memeq(a, b, n);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> memcmp(a, b, n) == 0;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> MemCompare(<span class="keyword">const</span> <span class="keywordtype">void</span>* a, <span class="keyword">const</span> <span class="keywordtype">void</span>* b, <span class="keywordtype">size_t</span> n) {</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#ifdef KUDU_HEADERS_USE_RICH_SLICE</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> strings::fastmemcmp_inlined(a, b, n);</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> memcmp(a, b, n);</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> uint8_t* data_;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">size_t</span> size_;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// Intentionally copyable</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> };</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a1323493265790d022203af0d8b31fd9c"> 264</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& x, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& y) {</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> ((x.<a class="code" href="classkudu_1_1Slice.html#a141b4a1fc0555d57f192e574e427c146">size</a>() == y.<a class="code" href="classkudu_1_1Slice.html#a141b4a1fc0555d57f192e574e427c146">size</a>()) &&</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  (Slice::MemEqual(x.<a class="code" href="classkudu_1_1Slice.html#a2d90a4590b995fb55229d25effb0c5bb">data</a>(), y.<a class="code" href="classkudu_1_1Slice.html#a2d90a4590b995fb55229d25effb0c5bb">data</a>(), x.<a class="code" href="classkudu_1_1Slice.html#a141b4a1fc0555d57f192e574e427c146">size</a>())));</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& x, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& y) {</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span> !(x == y);</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> }</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="keyword">inline</span> std::ostream& operator<<(std::ostream& o, <span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& s) {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">return</span> o << s.<a class="code" href="classkudu_1_1Slice.html#a412d632121ba52444d891c7a4f31dd42">ToDebugString</a>(16); <span class="comment">// should be enough for anyone...</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> }</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="classkudu_1_1Slice.html#a0ecc8d893b73a664c69396ad30b14d98"> 291</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classkudu_1_1Slice.html#a0ecc8d893b73a664c69396ad30b14d98">Slice::compare</a>(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& b)<span class="keyword"> const </span>{</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> min_len = (size_ < b.size_) ? size_ : b.size_;</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordtype">int</span> r = MemCompare(data_, b.data_, min_len);</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (r == 0) {</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (size_ < b.size_) r = -1;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (size_ > b.size_) r = +1;</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">return</span> r;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment">// We don't run TSAN on this function because it makes it really slow and causes some</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment">// test timeouts. This is only used on local buffers anyway, so we don't lose much</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// by not checking it.</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#ifdef KUDU_HEADERS_NO_STUBS</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> ATTRIBUTE_NO_SANITIZE_THREAD</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="keywordtype">bool</span> IsAllZeros(<span class="keyword">const</span> <a class="code" href="classkudu_1_1Slice.html">Slice</a>& s);</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="structkudu_1_1SliceMap.html"> 325</a></span> <span class="keyword">struct </span><a class="code" href="structkudu_1_1SliceMap.html">SliceMap</a> {</div><div class="line"><a name="l00327"></a><span class="lineno"><a class="line" href="structkudu_1_1SliceMap.html#ac97e49d0aa50ae49f34ab3bbd95ea5e6"> 327</a></span>  <span class="keyword">typedef</span> std::map<Slice, T, Slice::Comparator> <a class="code" href="structkudu_1_1SliceMap.html#ac97e49d0aa50ae49f34ab3bbd95ea5e6">type</a>;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> };</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> } <span class="comment">// namespace kudu</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor">#endif // KUDU_UTIL_SLICE_H_</span></div><div class="ttc" id="classkudu_1_1Status_html"><div class="ttname"><a href="classkudu_1_1Status.html">kudu::Status</a></div><div class="ttdoc">A representation of an operation&#39;s outcome. </div><div class="ttdef"><b>Definition:</b> status.h:145</div></div> |
| <div class="ttc" id="namespacekudu_html"><div class="ttname"><a href="namespacekudu.html">kudu</a></div><div class="ttdef"><b>Definition:</b> callbacks.h:28</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a4bb1c9fe13873623b5a5a118830b1806"><div class="ttname"><a href="classkudu_1_1Slice.html#a4bb1c9fe13873623b5a5a118830b1806">kudu::Slice::relocate</a></div><div class="ttdeci">void relocate(uint8_t *d)</div><div class="ttdef"><b>Definition:</b> slice.h:225</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_ae8c6057eea15f8136e62255fd766e345"><div class="ttname"><a href="classkudu_1_1Slice.html#ae8c6057eea15f8136e62255fd766e345">kudu::Slice::Slice</a></div><div class="ttdeci">Slice(const char *s)</div><div class="ttdef"><b>Definition:</b> slice.h:86</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a3ad7697d76b8205099d43ca552c12b8d"><div class="ttname"><a href="classkudu_1_1Slice.html#a3ad7697d76b8205099d43ca552c12b8d">kudu::Slice::starts_with</a></div><div class="ttdeci">bool starts_with(const Slice &x) const </div><div class="ttdef"><b>Definition:</b> slice.h:200</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a412d632121ba52444d891c7a4f31dd42"><div class="ttname"><a href="classkudu_1_1Slice.html#a412d632121ba52444d891c7a4f31dd42">kudu::Slice::ToDebugString</a></div><div class="ttdeci">std::string ToDebugString(size_t max_len=0) const </div></div> |
| <div class="ttc" id="structkudu_1_1SliceMap_html_ac97e49d0aa50ae49f34ab3bbd95ea5e6"><div class="ttname"><a href="structkudu_1_1SliceMap.html#ac97e49d0aa50ae49f34ab3bbd95ea5e6">kudu::SliceMap::type</a></div><div class="ttdeci">std::map< Slice, T, Slice::Comparator > type</div><div class="ttdoc">A handy typedef for the slice map with appropriate comparison operator. </div><div class="ttdef"><b>Definition:</b> slice.h:327</div></div> |
| <div class="ttc" id="structkudu_1_1Slice_1_1Comparator_html_a2f33c829e2febd880f9cbcbebb08fa6a"><div class="ttname"><a href="structkudu_1_1Slice_1_1Comparator.html#a2f33c829e2febd880f9cbcbebb08fa6a">kudu::Slice::Comparator::operator()</a></div><div class="ttdeci">bool operator()(const Slice &a, const Slice &b) const </div><div class="ttdef"><b>Definition:</b> slice.h:214</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_afb914c0769f019a7c2f28b755cba5eb5"><div class="ttname"><a href="classkudu_1_1Slice.html#afb914c0769f019a7c2f28b755cba5eb5">kudu::Slice::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Change this slice to refer to an empty array. </div><div class="ttdef"><b>Definition:</b> slice.h:135</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a5ff06bc0fd9734536a464e604ec226f2"><div class="ttname"><a href="classkudu_1_1Slice.html#a5ff06bc0fd9734536a464e604ec226f2">kudu::Slice::operator[]</a></div><div class="ttdeci">const uint8_t & operator[](size_t n) const </div><div class="ttdef"><b>Definition:</b> slice.h:129</div></div> |
| <div class="ttc" id="structkudu_1_1Slice_1_1Comparator_html"><div class="ttname"><a href="structkudu_1_1Slice_1_1Comparator.html">kudu::Slice::Comparator</a></div><div class="ttdoc">Comparator struct, useful for ordered collections (like STL maps). </div><div class="ttdef"><b>Definition:</b> slice.h:206</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a20f1c8e91ff0209e5c8f86766ef63d44"><div class="ttname"><a href="classkudu_1_1Slice.html#a20f1c8e91ff0209e5c8f86766ef63d44">kudu::Slice::truncate</a></div><div class="ttdeci">void truncate(size_t n)</div><div class="ttdef"><b>Definition:</b> slice.h:164</div></div> |
| <div class="ttc" id="structkudu_1_1SliceMap_html"><div class="ttname"><a href="structkudu_1_1SliceMap.html">kudu::SliceMap</a></div><div class="ttdoc">STL map whose keys are Slices. </div><div class="ttdef"><b>Definition:</b> slice.h:325</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html"><div class="ttname"><a href="classkudu_1_1Slice.html">kudu::Slice</a></div><div class="ttdoc">A wrapper around externally allocated data. </div><div class="ttdef"><b>Definition:</b> slice.h:50</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a141b4a1fc0555d57f192e574e427c146"><div class="ttname"><a href="classkudu_1_1Slice.html#a141b4a1fc0555d57f192e574e427c146">kudu::Slice::size</a></div><div class="ttdeci">size_t size() const </div><div class="ttdef"><b>Definition:</b> slice.h:119</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a904b8732b247676c52cbd9147b34c54c"><div class="ttname"><a href="classkudu_1_1Slice.html#a904b8732b247676c52cbd9147b34c54c">kudu::Slice::Slice</a></div><div class="ttdeci">Slice(const uint8_t *d, size_t n)</div><div class="ttdef"><b>Definition:</b> slice.h:62</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a9cb396203dd2c589e7d4f10bd80461d5"><div class="ttname"><a href="classkudu_1_1Slice.html#a9cb396203dd2c589e7d4f10bd80461d5">kudu::Slice::Slice</a></div><div class="ttdeci">Slice(const char *d, size_t n)</div><div class="ttdef"><b>Definition:</b> slice.h:70</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a2771156d34daa166067b8d319ad7d164"><div class="ttname"><a href="classkudu_1_1Slice.html#a2771156d34daa166067b8d319ad7d164">kudu::Slice::mutable_data</a></div><div class="ttdeci">uint8_t * mutable_data()</div><div class="ttdef"><b>Definition:</b> slice.h:116</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a2d90a4590b995fb55229d25effb0c5bb"><div class="ttname"><a href="classkudu_1_1Slice.html#a2d90a4590b995fb55229d25effb0c5bb">kudu::Slice::data</a></div><div class="ttdeci">const uint8_t * data() const </div><div class="ttdef"><b>Definition:</b> slice.h:113</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a00f5d310f9ebf17c198cf3feb69c3842"><div class="ttname"><a href="classkudu_1_1Slice.html#a00f5d310f9ebf17c198cf3feb69c3842">kudu::Slice::remove_prefix</a></div><div class="ttdeci">void remove_prefix(size_t n)</div><div class="ttdef"><b>Definition:</b> slice.h:149</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a13838e07b6dcea1895a774ab1ba62bdd"><div class="ttname"><a href="classkudu_1_1Slice.html#a13838e07b6dcea1895a774ab1ba62bdd">kudu::Slice::Slice</a></div><div class="ttdeci">Slice(const std::string &s)</div><div class="ttdef"><b>Definition:</b> slice.h:78</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a0ecc8d893b73a664c69396ad30b14d98"><div class="ttname"><a href="classkudu_1_1Slice.html#a0ecc8d893b73a664c69396ad30b14d98">kudu::Slice::compare</a></div><div class="ttdeci">int compare(const Slice &b) const </div><div class="ttdef"><b>Definition:</b> slice.h:291</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_aaee66c59ee434349680679bdf0462b66"><div class="ttname"><a href="classkudu_1_1Slice.html#aaee66c59ee434349680679bdf0462b66">kudu::Slice::Slice</a></div><div class="ttdeci">Slice()</div><div class="ttdoc">Create an empty slice. </div><div class="ttdef"><b>Definition:</b> slice.h:53</div></div> |
| <div class="ttc" id="classkudu_1_1Slice_html_a79e41b882b0a85259be89f5698e27372"><div class="ttname"><a href="classkudu_1_1Slice.html#a79e41b882b0a85259be89f5698e27372">kudu::Slice::empty</a></div><div class="ttdeci">bool empty() const </div><div class="ttdef"><b>Definition:</b> slice.h:122</div></div> |
| </div><!-- fragment --></div><!-- contents --> |
| <!-- start footer part --> |
| <hr class="footer"/> |
| <address class="footer"> |
| <small>Generated for Kudu version 1.9.0 on Fri Mar 8 2019 03:36:22 by Doxygen 1.8.11</small> |
| <br> |
| <small>Copyright © 2019 The Apache Software Foundation.</small> |
| </address> |
| </body> |
| </html> |