Files
rippled/RangeSet_8h_source.html
2021-06-04 17:39:30 +00:00

236 lines
30 KiB
HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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 1.8.17"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>rippled: RangeSet.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>
<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">rippled
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.17 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></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_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_5f536ab1985a8dcd28bcfd618bc58e92.html">basics</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">RangeSet.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#ifndef RIPPLE_BASICS_RANGESET_H_INCLUDED</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#define RIPPLE_BASICS_RANGESET_H_INCLUDED</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;ripple/beast/core/LexicalCast.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;boost/algorithm/string.hpp&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;boost/icl/closed_interval.hpp&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;boost/icl/interval_set.hpp&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a>&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/string.html">string</a>&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="namespaceripple.html#a79dcedfb918a7b371ab7797ae9d9bf23"> 44</a></span>&#160;<span class="keyword">using</span> <a class="code" href="namespaceripple.html#a79dcedfb918a7b371ab7797ae9d9bf23">ClosedInterval</a> = boost::icl::closed_interval&lt;T&gt;;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<a class="code" href="namespaceripple.html#a79dcedfb918a7b371ab7797ae9d9bf23">ClosedInterval&lt;T&gt;</a></div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="namespaceripple.html#a718d6c3cd459b4d24d7bc790905c57f2"> 53</a></span>&#160;<a class="code" href="namespaceripple.html#a718d6c3cd459b4d24d7bc790905c57f2">range</a>(T low, T high)</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;{</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceripple.html#a79dcedfb918a7b371ab7797ae9d9bf23">ClosedInterval&lt;T&gt;</a>(low, high);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;}</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="namespaceripple.html#a8c2adee26b605bf80bdd122435bc40bb"> 69</a></span>&#160;<span class="keyword">using</span> <a class="code" href="namespaceripple.html#a8c2adee26b605bf80bdd122435bc40bb">RangeSet</a> = boost::icl::interval_set&lt;T, std::less, ClosedInterval&lt;T&gt;&gt;;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="namespaceripple.html#ac47b38f7edefd4afd48dbf705d4c7bc6"> 82</a></span>&#160;<a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a79dcedfb918a7b371ab7797ae9d9bf23">ClosedInterval&lt;T&gt;</a> <span class="keyword">const</span>&amp; ci)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;{</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">if</span> (ci.first() == ci.last())</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(ci.first());</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">return</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(ci.first()) + <span class="stringliteral">&quot;-&quot;</span> + <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a>(ci.last());</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;}</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7d24946b15c0dd06b8ddaa12a6946cf8"> 99</a></span>&#160;<a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">to_string</a>(<a class="code" href="namespaceripple.html#a8c2adee26b605bf80bdd122435bc40bb">RangeSet&lt;T&gt;</a> <span class="keyword">const</span>&amp; rs)</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;{</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">if</span> (rs.empty())</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;empty&quot;</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> s;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; interval : rs)</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; s += <a class="code" href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">ripple::to_string</a>(interval) + <span class="stringliteral">&quot;,&quot;</span>;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; s.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/pop_back.html">pop_back</a>();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">return</span> s;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;}</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;[[nodiscard]] <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="namespaceripple.html#a84ef8b46b58f794955c6b2b108aa5dba"> 123</a></span>&#160;<a class="code" href="namespaceripple.html#a84ef8b46b58f794955c6b2b108aa5dba">from_string</a>(<a class="code" href="namespaceripple.html#a8c2adee26b605bf80bdd122435bc40bb">RangeSet&lt;T&gt;</a>&amp; rs, <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <span class="keyword">const</span>&amp; s)</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;{</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::string&gt;</a> intervals;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;std::string&gt;</a> tokens;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordtype">bool</span> result{<span class="keyword">true</span>};</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; rs.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/clear.html">clear</a>();</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; boost::split(tokens, s, boost::algorithm::is_any_of(<span class="stringliteral">&quot;,&quot;</span>));</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; t : tokens)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; boost::split(intervals, t, boost::algorithm::is_any_of(<span class="stringliteral">&quot;-&quot;</span>));</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">switch</span> (intervals.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>())</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">case</span> 1: {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; T front;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="namespacebeast.html#aeb241ed2f4422ea57283956ca58c5d42">beast::lexicalCastChecked</a>(front, intervals.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/front.html">front</a>()))</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; result = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; rs.insert(front);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">case</span> 2: {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; T front;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="namespacebeast.html#aeb241ed2f4422ea57283956ca58c5d42">beast::lexicalCastChecked</a>(front, intervals.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/front.html">front</a>()))</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; result = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; T back;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="namespacebeast.html#aeb241ed2f4422ea57283956ca58c5d42">beast::lexicalCastChecked</a>(back, intervals.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/back.html">back</a>()))</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; result = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; rs.insert(<a class="code" href="namespaceripple.html#a718d6c3cd459b4d24d7bc790905c57f2">range</a>(front, back));</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; result = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordflow">if</span> (!result)</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; intervals.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/clear.html">clear</a>();</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordflow">if</span> (!result)</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; rs.<a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string/clear.html">clear</a>();</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;}</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;T&gt;</a></div>
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="namespaceripple.html#abf25e8e52e0c680162f6397149f02150"> 182</a></span>&#160;<a class="code" href="namespaceripple.html#abf25e8e52e0c680162f6397149f02150">prevMissing</a>(<a class="code" href="namespaceripple.html#a8c2adee26b605bf80bdd122435bc40bb">RangeSet&lt;T&gt;</a> <span class="keyword">const</span>&amp; rs, T t, T minVal = 0)</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;{</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keywordflow">if</span> (rs.empty() || t == minVal)</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <a class="code" href="namespaceripple.html#a8c2adee26b605bf80bdd122435bc40bb">RangeSet&lt;T&gt;</a> tgt{<a class="code" href="namespaceripple.html#a79dcedfb918a7b371ab7797ae9d9bf23">ClosedInterval&lt;T&gt;</a>{minVal, t - 1}};</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; tgt -= rs;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">if</span> (tgt.empty())</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">return</span> boost::icl::last(tgt);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;}</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;} <span class="comment">// namespace ripple</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;<span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt; std::string &gt;</a></div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
<div class="ttc" id="anamespaceripple_html_a84ef8b46b58f794955c6b2b108aa5dba"><div class="ttname"><a href="namespaceripple.html#a84ef8b46b58f794955c6b2b108aa5dba">ripple::from_string</a></div><div class="ttdeci">bool from_string(RangeSet&lt; T &gt; &amp;rs, std::string const &amp;s)</div><div class="ttdoc">Convert the given styled string to a RangeSet.</div><div class="ttdef"><b>Definition:</b> <a href="RangeSet_8h_source.html#l00123">RangeSet.h:123</a></div></div>
<div class="ttc" id="aback_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/back.html">std::vector::back</a></div><div class="ttdeci">T back(T... args)</div></div>
<div class="ttc" id="afront_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/front.html">std::vector::front</a></div><div class="ttdeci">T front(T... args)</div></div>
<div class="ttc" id="aclear_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/clear.html">std::vector::clear</a></div><div class="ttdeci">T clear(T... args)</div></div>
<div class="ttc" id="ato_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/to_string.html">std::to_string</a></div><div class="ttdeci">T to_string(T... args)</div></div>
<div class="ttc" id="apop_back_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/pop_back.html">std::string::pop_back</a></div><div class="ttdeci">T pop_back(T... args)</div></div>
<div class="ttc" id="anamespaceripple_html_a718d6c3cd459b4d24d7bc790905c57f2"><div class="ttname"><a href="namespaceripple.html#a718d6c3cd459b4d24d7bc790905c57f2">ripple::range</a></div><div class="ttdeci">ClosedInterval&lt; T &gt; range(T low, T high)</div><div class="ttdoc">Create a closed range interval.</div><div class="ttdef"><b>Definition:</b> <a href="RangeSet_8h_source.html#l00053">RangeSet.h:53</a></div></div>
<div class="ttc" id="anamespaceripple_html_abf25e8e52e0c680162f6397149f02150"><div class="ttname"><a href="namespaceripple.html#abf25e8e52e0c680162f6397149f02150">ripple::prevMissing</a></div><div class="ttdeci">std::optional&lt; T &gt; prevMissing(RangeSet&lt; T &gt; const &amp;rs, T t, T minVal=0)</div><div class="ttdoc">Find the largest value not in the set that is less than a given value.</div><div class="ttdef"><b>Definition:</b> <a href="RangeSet_8h_source.html#l00182">RangeSet.h:182</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
<div class="ttc" id="anamespacebeast_html_aeb241ed2f4422ea57283956ca58c5d42"><div class="ttname"><a href="namespacebeast.html#aeb241ed2f4422ea57283956ca58c5d42">beast::lexicalCastChecked</a></div><div class="ttdeci">bool lexicalCastChecked(Out &amp;out, In in)</div><div class="ttdoc">Intelligently convert from one type to another.</div><div class="ttdef"><b>Definition:</b> <a href="LexicalCast_8h_source.html#l00266">LexicalCast.h:266</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/optional.html">optional</a></div></div>
<div class="ttc" id="anamespaceripple_html_af9776f187d3686a7fba4c2d2fbeebdf4"><div class="ttname"><a href="namespaceripple.html#af9776f187d3686a7fba4c2d2fbeebdf4">ripple::to_string</a></div><div class="ttdeci">std::string to_string(Manifest const &amp;m)</div><div class="ttdoc">Format the specified manifest to a string for debugging purposes.</div><div class="ttdef"><b>Definition:</b> <a href="app_2misc_2impl_2Manifest_8cpp_source.html#l00039">app/misc/impl/Manifest.cpp:39</a></div></div>
<div class="ttc" id="anamespaceripple_html_a8c2adee26b605bf80bdd122435bc40bb"><div class="ttname"><a href="namespaceripple.html#a8c2adee26b605bf80bdd122435bc40bb">ripple::RangeSet</a></div><div class="ttdeci">boost::icl::interval_set&lt; T, std::less, ClosedInterval&lt; T &gt; &gt; RangeSet</div><div class="ttdoc">A set of closed intervals over the domain T.</div><div class="ttdef"><b>Definition:</b> <a href="RangeSet_8h_source.html#l00069">RangeSet.h:69</a></div></div>
<div class="ttc" id="anamespaceripple_html_a79dcedfb918a7b371ab7797ae9d9bf23"><div class="ttname"><a href="namespaceripple.html#a79dcedfb918a7b371ab7797ae9d9bf23">ripple::ClosedInterval</a></div><div class="ttdeci">boost::icl::closed_interval&lt; T &gt; ClosedInterval</div><div class="ttdoc">A closed interval over the domain T.</div><div class="ttdef"><b>Definition:</b> <a href="RangeSet_8h_source.html#l00044">RangeSet.h:44</a></div></div>
<div class="ttc" id="astring_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/string.html">string</a></div></div>
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.17
</small></address>
</body>
</html>