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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_df67e75ba07853ef5c3c9d8f74c2f968.html">ledger</a></li><li class="navelem"><a class="el" href="dir_149e605da568dfe4e38f251dde8fdf1b.html">impl</a></li> </ul>
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<div class="title">ApplyView.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <ripple/basics/contract.h></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <ripple/ledger/ApplyView.h></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <ripple/protocol/Protocol.h></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cassert.html">cassert</a>></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint64_t></a></div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a94b3d125ad93f0015829ffd8b8be59d6"> 28</a></span> <a class="code" href="classripple_1_1ApplyView.html#a94b3d125ad93f0015829ffd8b8be59d6">ApplyView::dirAdd</a>(</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordtype">bool</span> preserveOrder,</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& directory,</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>& key,</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><<span class="keywordtype">void</span>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<SLE></a> <span class="keyword">const</span>&)> <span class="keyword">const</span>& describe)</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">auto</span> <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a> = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(directory);</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>)</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// No root, make it.</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a> = std::make_shared<SLE>(directory);</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>->setFieldH256(<a class="code" href="namespaceripple.html#ae5165157de56600d67a81eb78644a038">sfRootIndex</a>, directory.<a class="code" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  describe(<a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="classripple_1_1STVector256.html">STVector256</a> v;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  v.<a class="code" href="classripple_1_1STVector256.html#a6bd443eec0924c8b8f95e6c6d812117c">push_back</a>(key);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>->setFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>, v);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classripple_1_1ApplyView.html#aa3c5b5cd9dca5f906be4b36640706e3c">insert</a>(<a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a>{0};</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> page = <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>->getFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>);</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">auto</span> node = <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (page)</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  node = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, page));</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (!node)</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: root back-pointer broken."</span>);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">auto</span> indexes = node->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// If there's space, we use it:</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> (indexes.size() < <a class="code" href="namespaceripple.html#aa92d4d5c77691ea9bf8a848d84187e39">dirNodeMaxEntries</a>)</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (preserveOrder)</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a>(indexes.begin(), indexes.end(), key) != indexes.end())</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"dirInsert: double insertion"</span>);</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  indexes.push_back(key);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">else</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// We can't be sure if this page is already sorted because</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// it may be a legacy page we haven't yet touched. Take</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// the time to sort it.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a>(indexes.begin(), indexes.end());</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">auto</span> pos = <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/lower_bound.html">std::lower_bound</a>(indexes.begin(), indexes.end(), key);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (pos != indexes.end() && key == *pos)</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"dirInsert: double insertion"</span>);</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  indexes.insert(pos, key);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  node->setFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>, indexes);</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> page;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Check whether we're out of pages.</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (++page >= <a class="code" href="namespaceripple.html#ac258349be8397bcc873d4eb789c70a6c">dirNodeMaxPages</a>)</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> std::nullopt;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// We are about to create a new node; we'll link it to</span></div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// the chain first:</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  node->setFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>, page);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>->setFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>, page);</div>
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|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(<a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</div>
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|
<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">// Insert the new key:</span></div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  indexes.clear();</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  indexes.push_back(key);</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
|
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  node = std::make_shared<SLE>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, page));</div>
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|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  node->setFieldH256(<a class="code" href="namespaceripple.html#ae5165157de56600d67a81eb78644a038">sfRootIndex</a>, directory.<a class="code" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>);</div>
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|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  node->setFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>, indexes);</div>
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|
<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>  <span class="comment">// Save some space by not specifying the value 0 since</span></div>
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|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// it's the default.</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (page != 1)</div>
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|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  node->setFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>, page - 1);</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  describe(node);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classripple_1_1ApplyView.html#aa3c5b5cd9dca5f906be4b36640706e3c">insert</a>(node);</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> page;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keywordtype">bool</span></div>
|
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<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a68f2bcf1204498ac968947005ef9c3de"> 125</a></span> <a class="code" href="classripple_1_1ApplyView.html#a68f2bcf1204498ac968947005ef9c3de">ApplyView::emptyDirDelete</a>(<a class="code" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& directory)</div>
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|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">auto</span> node = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(directory);</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (!node)</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Verify that the passed directory node is the directory root.</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (directory.<a class="code" href="structripple_1_1Keylet.html#a194d83c488eaa909ae4bcf816d8f4cb0">type</a> != <a class="code" href="namespaceripple.html#ac151bf19e1f4daae2b04c65c65117139a1ca6f5da9e86f814af3d6f8b3631ebe8">ltDIR_NODE</a> ||</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  node->getFieldH256(<a class="code" href="namespaceripple.html#ae5165157de56600d67a81eb78644a038">sfRootIndex</a>) != directory.<a class="code" href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">key</a>)</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  {</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  assert(!<span class="stringliteral">"emptyDirDelete() called with wrong node type"</span>);</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// The directory still contains entries and so it cannot be removed</span></div>
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|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (!node->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>).empty())</div>
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|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> constexpr rootPage = 0;</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">auto</span> prevPage = node->getFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>);</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">auto</span> nextPage = node->getFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>);</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (nextPage == rootPage && prevPage != rootPage)</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: fwd link broken"</span>);</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (prevPage == rootPage && nextPage != rootPage)</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: rev link broken"</span>);</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>  <span class="comment">// Older versions of the code would, in some cases, allow the last</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// page to be empty. Remove such pages:</span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> (nextPage == prevPage && nextPage != rootPage)</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="keyword">auto</span> last = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, nextPage));</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="keywordflow">if</span> (!last)</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: fwd link broken."</span>);</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (!last->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>).empty())</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Update the first page's linked list and</span></div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// mark it as updated.</span></div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  node->setFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>, rootPage);</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  node->setFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>, rootPage);</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// And erase the empty last page:</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(last);</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Make sure our local values reflect the</span></div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// updated information:</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  nextPage = rootPage;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  prevPage = rootPage;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// If there are no other pages, erase the root:</span></div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (nextPage == rootPage && prevPage == rootPage)</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(node);</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a5a06441ef4fdb9b7f6e51437ce4a959f"> 189</a></span> <a class="code" href="classripple_1_1ApplyView.html#a5a06441ef4fdb9b7f6e51437ce4a959f">ApplyView::dirRemove</a>(</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& directory,</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> page,</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>& key,</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">bool</span> keepRoot)</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> {</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">auto</span> node = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, page));</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (!node)</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a> constexpr rootPage = 0;</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  {</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">auto</span> entries = node->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>);</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">auto</span> it = <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a>(entries.begin(), entries.end(), key);</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">if</span> (entries.end() == it)</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// We always preserve the relative order when we remove.</span></div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  entries.erase(it);</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  node->setFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>, entries);</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (!entries.empty())</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// The current page is now empty; check if it can be</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// deleted, and, if so, whether the entire directory</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// can now be removed.</span></div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">auto</span> prevPage = node->getFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>);</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">auto</span> nextPage = node->getFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>);</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// The first page is the directory's root node and is</span></div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// treated specially: it can never be deleted even if</span></div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// it is empty, unless we plan on removing the entire</span></div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// directory.</span></div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (page == rootPage)</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="keywordflow">if</span> (nextPage == page && prevPage != page)</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: fwd link broken"</span>);</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="keywordflow">if</span> (prevPage == page && nextPage != page)</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: rev link broken"</span>);</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// Older versions of the code would, in some cases,</span></div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// allow the last page to be empty. Remove such</span></div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// pages if we stumble on them:</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (nextPage == prevPage && nextPage != page)</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">auto</span> last = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, nextPage));</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (!last)</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: fwd link broken."</span>);</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (last->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>).empty())</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  {</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// Update the first page's linked list and</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">// mark it as updated.</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  node->setFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>, page);</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  node->setFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>, page);</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(node);</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  </div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// And erase the empty last page:</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(last);</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Make sure our local values reflect the</span></div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">// updated information:</span></div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  nextPage = page;</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  prevPage = page;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">if</span> (keepRoot)</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  <span class="comment">// If there's no other pages, erase the root:</span></div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (nextPage == page && prevPage == page)</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(node);</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// This can never happen for nodes other than the root:</span></div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (nextPage == page)</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: fwd link broken"</span>);</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>  <span class="keywordflow">if</span> (prevPage == page)</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: rev link broken"</span>);</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// This node isn't the root, so it can either be in the</span></div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// middle of the list, or at the end. Unlink it first</span></div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// and then check if that leaves the list with only a</span></div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// root:</span></div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">auto</span> prev = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, prevPage));</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (!prev)</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: fwd link broken."</span>);</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// Fix previous to point to its new next.</span></div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  prev->setFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>, nextPage);</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(prev);</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">auto</span> next = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, nextPage));</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (!next)</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: rev link broken."</span>);</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// Fix next to point to its new previous.</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  next->setFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>, prevPage);</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(next);</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>  <span class="comment">// The page is no longer linked. Delete it.</span></div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(node);</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  </div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// Check whether the next page is the last page and, if</span></div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// so, whether it's empty. If it is, delete it.</span></div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (nextPage != rootPage && next->getFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>) == rootPage &&</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  next->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>).empty())</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  {</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// Since next doesn't point to the root, it</span></div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">// can't be pointing to prev.</span></div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(next);</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  </div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// The previous page is now the last page:</span></div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  prev->setFieldU64(<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>, rootPage);</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(prev);</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  </div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// And the root points to the the last page:</span></div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keyword">auto</span> <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a> = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, rootPage));</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>)</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <a class="code" href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">LogicError</a>(<span class="stringliteral">"Directory chain: root link broken."</span>);</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>->setFieldU64(<a class="code" href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">sfIndexPrevious</a>, prevPage);</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">update</a>(<a class="code" href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">root</a>);</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  nextPage = rootPage;</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  </div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">// If we're not keeping the root, then check to see if</span></div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// it's left empty. If so, delete it as well.</span></div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">if</span> (!keepRoot && nextPage == rootPage && prevPage == rootPage)</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="keywordflow">if</span> (prev->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>).empty())</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(prev);</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  </div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> }</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"><a class="line" href="classripple_1_1ApplyView.html#a469fe9366dd58b47c9b29ba98bd3fc8d"> 338</a></span> <a class="code" href="classripple_1_1ApplyView.html#a469fe9366dd58b47c9b29ba98bd3fc8d">ApplyView::dirDelete</a>(</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <a class="code" href="structripple_1_1Keylet.html">Keylet</a> <span class="keyword">const</span>& directory,</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a><<span class="keywordtype">void</span>(<a class="code" href="classripple_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&)> <span class="keyword">const</span>& callback)</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> {</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional<std::uint64_t></a> pi;</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">do</span></div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  {</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keyword">auto</span> <span class="keyword">const</span> page = <a class="code" href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">peek</a>(<a class="code" href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">keylet::page</a>(directory, pi.<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional/value_or.html">value_or</a>(0)));</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">if</span> (!page)</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  </div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>& item : page->getFieldV256(<a class="code" href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">sfIndexes</a>))</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  callback(item);</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  </div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  pi = (*page)[~<a class="code" href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">sfIndexNext</a>];</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  </div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <a class="code" href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">erase</a>(page);</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  } <span class="keywordflow">while</span> (pi);</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> }</div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  </div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> } <span class="comment">// namespace ripple</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="anamespaceripple_html_a77074200cc38ab479af35f26073ecd0c"><div class="ttname"><a href="namespaceripple.html#a77074200cc38ab479af35f26073ecd0c">ripple::sfIndexNext</a></div><div class="ttdeci">const SF_UINT64 sfIndexNext</div></div>
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<div class="ttc" id="anamespaceripple_html_ae5165157de56600d67a81eb78644a038"><div class="ttname"><a href="namespaceripple.html#ae5165157de56600d67a81eb78644a038">ripple::sfRootIndex</a></div><div class="ttdeci">const SF_UINT256 sfRootIndex</div></div>
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<div class="ttc" id="astructripple_1_1Keylet_html"><div class="ttname"><a href="structripple_1_1Keylet.html">ripple::Keylet</a></div><div class="ttdoc">A pair of SHAMap key and LedgerEntryType.</div><div class="ttdef"><b>Definition:</b> <a href="Keylet_8h_source.html#l00038">Keylet.h:38</a></div></div>
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<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_aad9fb1233dec10dcc10c2e3b1da6a723"><div class="ttname"><a href="classripple_1_1ApplyView.html#aad9fb1233dec10dcc10c2e3b1da6a723">ripple::ApplyView::peek</a></div><div class="ttdeci">virtual std::shared_ptr< SLE > peek(Keylet const &k)=0</div><div class="ttdoc">Prepare to modify the SLE associated with key.</div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_afda9c12acbda605becf20f54d45587d4"><div class="ttname"><a href="classripple_1_1ApplyView.html#afda9c12acbda605becf20f54d45587d4">ripple::ApplyView::erase</a></div><div class="ttdeci">virtual void erase(std::shared_ptr< SLE > const &sle)=0</div><div class="ttdoc">Remove a peeked SLE.</div></div>
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<div class="ttc" id="afind_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/find.html">std::find</a></div><div class="ttdeci">T find(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1STVector256_html_a6bd443eec0924c8b8f95e6c6d812117c"><div class="ttname"><a href="classripple_1_1STVector256.html#a6bd443eec0924c8b8f95e6c6d812117c">ripple::STVector256::push_back</a></div><div class="ttdeci">void push_back(uint256 const &v)</div><div class="ttdef"><b>Definition:</b> <a href="STVector256_8h_source.html#l00216">STVector256.h:216</a></div></div>
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<div class="ttc" id="avalue_or_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional/value_or.html">std::optional::value_or</a></div><div class="ttdeci">T value_or(T... args)</div></div>
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<div class="ttc" id="anamespaceripple_html_ac258349be8397bcc873d4eb789c70a6c"><div class="ttname"><a href="namespaceripple.html#ac258349be8397bcc873d4eb789c70a6c">ripple::dirNodeMaxPages</a></div><div class="ttdeci">constexpr std::uint64_t dirNodeMaxPages</div><div class="ttdoc">The maximum number of pages allowed in a directory.</div><div class="ttdef"><b>Definition:</b> <a href="Protocol_8h_source.html#l00058">Protocol.h:58</a></div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_a542437b9b59a623e755979acdc075af5"><div class="ttname"><a href="classripple_1_1ApplyView.html#a542437b9b59a623e755979acdc075af5">ripple::ApplyView::update</a></div><div class="ttdeci">virtual void update(std::shared_ptr< SLE > const &sle)=0</div><div class="ttdoc">Indicate changes to a peeked SLE.</div></div>
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<div class="ttc" id="afunction_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/functional/function.html">std::function</a></div></div>
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<div class="ttc" id="asort_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a></div><div class="ttdeci">T sort(T... args)</div></div>
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<div class="ttc" id="anamespaceripple_html_ac151bf19e1f4daae2b04c65c65117139a1ca6f5da9e86f814af3d6f8b3631ebe8"><div class="ttname"><a href="namespaceripple.html#ac151bf19e1f4daae2b04c65c65117139a1ca6f5da9e86f814af3d6f8b3631ebe8">ripple::ltDIR_NODE</a></div><div class="ttdeci">@ ltDIR_NODE</div><div class="ttdoc">A ledger object which contains a list of object identifiers.</div><div class="ttdef"><b>Definition:</b> <a href="LedgerFormats_8h_source.html#l00066">LedgerFormats.h:66</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a5db6a436a1b570fd3fdfc1583c34883f"><div class="ttname"><a href="namespaceripple.html#a5db6a436a1b570fd3fdfc1583c34883f">ripple::sfIndexes</a></div><div class="ttdeci">const SF_VECTOR256 sfIndexes</div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_a5a06441ef4fdb9b7f6e51437ce4a959f"><div class="ttname"><a href="classripple_1_1ApplyView.html#a5a06441ef4fdb9b7f6e51437ce4a959f">ripple::ApplyView::dirRemove</a></div><div class="ttdeci">bool dirRemove(Keylet const &directory, std::uint64_t page, uint256 const &key, bool keepRoot)</div><div class="ttdoc">Remove an entry from a directory.</div><div class="ttdef"><b>Definition:</b> <a href="ApplyView_8cpp_source.html#l00189">ApplyView.cpp:189</a></div></div>
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<div class="ttc" id="astructripple_1_1Keylet_html_a482983062843a8682fcea76a309c73db"><div class="ttname"><a href="structripple_1_1Keylet.html#a482983062843a8682fcea76a309c73db">ripple::Keylet::key</a></div><div class="ttdeci">uint256 key</div><div class="ttdef"><b>Definition:</b> <a href="Keylet_8h_source.html#l00040">Keylet.h:40</a></div></div>
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<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint< 256 ></a></div></div>
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<div class="ttc" id="anamespaceripple_html_acedcdf61309fa91212d6839205c9be5f"><div class="ttname"><a href="namespaceripple.html#acedcdf61309fa91212d6839205c9be5f">ripple::sfIndexPrevious</a></div><div class="ttdeci">const SF_UINT64 sfIndexPrevious</div></div>
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<div class="ttc" id="anamespaceripple_1_1keylet_html_a7e018eaf4a4da32d3f6f75f864cb85d1"><div class="ttname"><a href="namespaceripple_1_1keylet.html#a7e018eaf4a4da32d3f6f75f864cb85d1">ripple::keylet::page</a></div><div class="ttdeci">Keylet page(uint256 const &key, std::uint64_t index) noexcept</div><div class="ttdoc">A page in a directory.</div><div class="ttdef"><b>Definition:</b> <a href="Indexes_8cpp_source.html#l00318">Indexes.cpp:318</a></div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_a94b3d125ad93f0015829ffd8b8be59d6"><div class="ttname"><a href="classripple_1_1ApplyView.html#a94b3d125ad93f0015829ffd8b8be59d6">ripple::ApplyView::dirAdd</a></div><div class="ttdeci">std::optional< std::uint64_t > dirAdd(bool preserveOrder, Keylet const &directory, uint256 const &key, std::function< void(std::shared_ptr< SLE > const &)> const &describe)</div><div class="ttdoc">Add an entry to a directory using the specified insert strategy.</div><div class="ttdef"><b>Definition:</b> <a href="ApplyView_8cpp_source.html#l00028">ApplyView.cpp:28</a></div></div>
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<div class="ttc" id="astructripple_1_1Keylet_html_a194d83c488eaa909ae4bcf816d8f4cb0"><div class="ttname"><a href="structripple_1_1Keylet.html#a194d83c488eaa909ae4bcf816d8f4cb0">ripple::Keylet::type</a></div><div class="ttdeci">LedgerEntryType type</div><div class="ttdef"><b>Definition:</b> <a href="Keylet_8h_source.html#l00041">Keylet.h:41</a></div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_a469fe9366dd58b47c9b29ba98bd3fc8d"><div class="ttname"><a href="classripple_1_1ApplyView.html#a469fe9366dd58b47c9b29ba98bd3fc8d">ripple::ApplyView::dirDelete</a></div><div class="ttdeci">bool dirDelete(Keylet const &directory, std::function< void(uint256 const &)> const &)</div><div class="ttdoc">Remove the specified directory, invoking the callback for every node.</div><div class="ttdef"><b>Definition:</b> <a href="ApplyView_8cpp_source.html#l00338">ApplyView.cpp:338</a></div></div>
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<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint64_t</a></div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_aa3c5b5cd9dca5f906be4b36640706e3c"><div class="ttname"><a href="classripple_1_1ApplyView.html#aa3c5b5cd9dca5f906be4b36640706e3c">ripple::ApplyView::insert</a></div><div class="ttdeci">virtual void insert(std::shared_ptr< SLE > const &sle)=0</div><div class="ttdoc">Insert a new state SLE.</div></div>
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<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>
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<div class="ttc" id="alower_bound_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/lower_bound.html">std::lower_bound</a></div><div class="ttdeci">T lower_bound(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1ApplyView_html_a68f2bcf1204498ac968947005ef9c3de"><div class="ttname"><a href="classripple_1_1ApplyView.html#a68f2bcf1204498ac968947005ef9c3de">ripple::ApplyView::emptyDirDelete</a></div><div class="ttdeci">bool emptyDirDelete(Keylet const &directory)</div><div class="ttdoc">Remove the specified directory, if it is empty.</div><div class="ttdef"><b>Definition:</b> <a href="ApplyView_8cpp_source.html#l00125">ApplyView.cpp:125</a></div></div>
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<div class="ttc" id="anamespaceripple_html_aefd2f77338ce3c9a2fffc4f0b289b483"><div class="ttname"><a href="namespaceripple.html#aefd2f77338ce3c9a2fffc4f0b289b483">ripple::LogicError</a></div><div class="ttdeci">void LogicError(std::string const &how) noexcept</div><div class="ttdoc">Called when faulty logic causes a broken invariant.</div><div class="ttdef"><b>Definition:</b> <a href="contract_8cpp_source.html#l00048">contract.cpp:48</a></div></div>
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<div class="ttc" id="acassert_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cassert.html">cassert</a></div></div>
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<div class="ttc" id="aclassripple_1_1STVector256_html"><div class="ttname"><a href="classripple_1_1STVector256.html">ripple::STVector256</a></div><div class="ttdef"><b>Definition:</b> <a href="STVector256_8h_source.html#l00029">STVector256.h:29</a></div></div>
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<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
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<div class="ttc" id="anamespaceripple_html_aa92d4d5c77691ea9bf8a848d84187e39"><div class="ttname"><a href="namespaceripple.html#aa92d4d5c77691ea9bf8a848d84187e39">ripple::dirNodeMaxEntries</a></div><div class="ttdeci">constexpr std::size_t dirNodeMaxEntries</div><div class="ttdoc">The maximum number of entries per directory page.</div><div class="ttdef"><b>Definition:</b> <a href="Protocol_8h_source.html#l00055">Protocol.h:55</a></div></div>
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<div class="ttc" id="anamespaceripple_html_acdc87ea9c4ad1742d4aeebac963e8570"><div class="ttname"><a href="namespaceripple.html#acdc87ea9c4ad1742d4aeebac963e8570">ripple::root</a></div><div class="ttdeci">Number root(Number f, unsigned d)</div><div class="ttdef"><b>Definition:</b> <a href="Number_8cpp_source.html#l00624">Number.cpp:624</a></div></div>
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