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From w...@apache.org
Subject [17/51] [partial] arrow-site git commit: Add Ray serialization blog post, update API docs
Date Mon, 16 Oct 2017 14:13:40 GMT
http://git-wip-us.apache.org/repos/asf/arrow-site/blob/785c5862/docs/cpp/rle-encoding_8h_source.html
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diff --git a/docs/cpp/rle-encoding_8h_source.html b/docs/cpp/rle-encoding_8h_source.html
index bd1b22e..67d0af9 100644
--- a/docs/cpp/rle-encoding_8h_source.html
+++ b/docs/cpp/rle-encoding_8h_source.html
@@ -5,7 +5,7 @@
 <meta http-equiv="X-UA-Compatible" content="IE=9"/>
 <meta name="generator" content="Doxygen 1.8.13"/>
 <meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache Arrow (C++): /home/wesm/code/arrow/cpp/src/arrow/util/rle-encoding.h Source File</title>
+<title>Apache Arrow (C++): /apache-arrow/arrow/cpp/src/arrow/util/rle-encoding.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>
@@ -67,7 +67,7 @@ $(function() {
 <div class="title">rle-encoding.h</div>  </div>
 </div><!--header-->
 <div class="contents">
-<a href="rle-encoding_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// or more contributor license agreements.  See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// regarding copyright ownership.  The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span 
 class="lineno">    6</span>&#160;<span class="comment">// &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// with the License.  You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">//   http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// software distribu
 ted under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">// KIND, either express or implied.  See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">// Imported from Apache Impala (incubating) on 2016-01-29 and modified for use</span></div><div clas
 s="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">// in parquet-cpp, Arrow</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef ARROW_UTIL_RLE_ENCODING_H</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#define ARROW_UTIL_RLE_ENCODING_H</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;math.h&gt;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00
 027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="bit-stream-utils_8h.html">arrow/util/bit-stream-utils.h</a>&quot;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="bit-util_8h.html">arrow/util/bit-util.h</a>&quot;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="macros_8h.html">arrow/util/macros.h</a>&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearrow.html">arrow</a> {</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00049"></a><span class="lineno
 ">   49</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_decoder.html">   84</a></span>&#160
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 ine"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <a class="code" href="logging_8h.html#a4395e95bab44e222cb2e77251017a0e2">DCHECK_LE</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, 64);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;  }</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_decoder.html#a921fa80d36d40072e6c62a96e31aeecc">   98</a></span>&#160;  <a class="code" href="classarrow_1_1_rle_decoder.html#a921fa80d36d40072e6c62a96e31aeecc">RleDecoder</a>() : <a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>(-1) {}</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line
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 , max_run_byte_size_) &lt;&lt; <span class="stringliteral">&quot;Input buffer not big enough.&quot;</span>;</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    Clear();</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  }</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_encoder.html#aef37304aaa5e6b58f819c74d03afedbc">  169</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_encoder.html#aef37304aaa5e6b58f819c74d03afedbc">MinBufferSize</a>(<span class="keywordtype">int</span> bit_width) {</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    <span class="keywordtype">int</span> max_literal_run_size =</div><div class="line"><a name="l00172"></a><span class="lineno">  
 172</span>&#160;        1 + <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(BitUtil::Ceil(MAX_VALUES_PER_LITERAL_RUN * bit_width, 8));</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="keywordtype">int</span> max_repeated_run_size =</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        <a class="code" href="classarrow_1_1_bit_reader.html#aa5953074578c6d5e068574ab4ccb3e35">BitReader::MAX_VLQ_BYTE_LEN</a> + <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(BitUtil::Ceil(bit_width, 8));</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keywordflow">return</span> std::max(max_literal_run_size, max_repeated_run_size);</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  }</div><div class="line"
 ><a name="l00178"></a><span class="lineno">  178</span>&#160;</div><div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_encoder.html#af421f0591967c246893182caf8d8db67">  180</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_encoder.html#af421f0591967c246893182caf8d8db67">MaxBufferSize</a>(<span class="keywordtype">int</span> bit_width, <span class="keywordtype">int</span> num_values) {</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    <span class="comment">// For a bit_width &gt; 1, the worst case is the repetition of &quot;literal run of length 8</span></div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="comment">// and then a repeated run of length 8&quot;.</span></div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="comment
 ">// 8 values per smallest run, 8 bits per byte</span></div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="comment">// int bytes_per_run = BitUtil::Ceil(bit_width * 8, 8);</span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="keywordtype">int</span> bytes_per_run = bit_width;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    <span class="keywordtype">int</span> num_runs = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(BitUtil::Ceil(num_values, 8));</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    <span class="keywordtype">int</span> literal_max_size = num_runs + num_runs * bytes_per_run;</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</spa
 n>&#160;    <span class="comment">// In the very worst case scenario, the data is a concatenation of repeated</span></div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="comment">// runs of 8 values. Repeated run has a 1 byte varint followed by the</span></div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="comment">// bit-packed repeated value</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keywordtype">int</span> min_repeated_run_size = 1 + <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(BitUtil::Ceil(bit_width, 8));</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <span class="keywordtype">int</span> repeated_max_size =</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        <span class="keywo
 rd">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(BitUtil::Ceil(num_values, 8)) * min_repeated_run_size;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    <span class="keywordflow">return</span> std::max(literal_max_size, repeated_max_size);</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;  }</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;  <span class="keywordtype">bool</span> Put(uint64_t value);</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;  <span class="keywordtype">int</span> Flush();</div><div class="line"><a name="l00206"></a><span class="l
 ineno">  206</span>&#160;</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;  <span class="keywordtype">void</span> Clear();</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_encoder.html#a9ceaa6738680e32e35615a29425d1269">  211</a></span>&#160;  uint8_t* <a class="code" href="classarrow_1_1_rle_encoder.html#a9ceaa6738680e32e35615a29425d1269">buffer</a>() { <span class="keywordflow">return</span> bit_writer_.buffer(); }</div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_encoder.html#a03b6b8d1147e9639f3071fa2916566e0">  212</a></span>&#160;  int32_t <a class="code" href="classarrow_1_1_rle_encoder.html#a03b6b8d1147e9639f3071fa2916566e0">len</a>() { <span class="keywordflow">return</span> bit_writer_.bytes_written(); }</div><div class="line"><a name="l00213"></
 a><span class="lineno">  213</span>&#160;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  <span class="keywordtype">void</span> FlushBufferedValues(<span class="keywordtype">bool</span> done);</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  <span class="keywordtype">void</span> FlushLiteralRun(<span class="keywordtype">bool</span> update_indicator_byte);</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;  <span class="keywordtype">void</span> FlushRepeatedRun();</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;</div><div class="line"><a name="l00234"></a><span
  class="lineno">  234</span>&#160;  <span class="keywordtype">void</span> CheckBufferFull();</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> MAX_VALUES_PER_LITERAL_RUN = (1 &lt;&lt; 6) * 8;</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>;</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;  <a class="code" href="classarrow_1_1_bit_writer.html">BitWriter
 </a> bit_writer_;</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;  <span class="keywordtype">bool</span> buffer_full_;</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;  <span class="keywordtype">int</span> max_run_byte_size_;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;  int64_t buffered_values_[8];</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  <span class="keywordtype">int</span> num_buffered_values_;</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div><div class="line"
 ><a name="l00264"></a><span class="lineno">  264</span>&#160;  uint64_t <a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a>;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a>;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  uint8_t* literal_indicator_byte_;</div><div class="line"><a name="l00276"></a><span class="lineno">  2
 76</span>&#160;};</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_decoder.html#a162b61df5b8dfc2b976e164aeec6c557">  279</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classarrow_1_1_rle_decoder.html#a162b61df5b8dfc2b976e164aeec6c557">RleDecoder::Get</a>(T* val) {</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;  <span class="keywordflow">return</span> <a class="code" href="classarrow_1_1_rle_decoder.html#ac5119fdc5c7575d3adb711182761d1f3">GetBatch</a>(val, 1) == 1;</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;}</div><div class="line"><a name=
 "l00282"></a><span class="lineno">  282</span>&#160;</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_decoder.html#ac5119fdc5c7575d3adb711182761d1f3">  284</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_decoder.html#ac5119fdc5c7575d3adb711182761d1f3">RleDecoder::GetBatch</a>(T* values, <span class="keywordtype">int</span> batch_size) {</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;  <a class="code" href="logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, 0);</div><div class="line"><a name="l00286"></a><span class="lineno">  28
 6</span>&#160;  <span class="keywordtype">int</span> values_read = 0;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;  <span class="keywordflow">while</span> (values_read &lt; batch_size) {</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt; 0) {</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;      <span class="keywordtype">int</span> repeat_batch =</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;          std::min(batch_size - values_read, static_cast&lt;int&gt;(<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>));</div><div class="line"><a name="l00292"></a>
 <span class="lineno">  292</span>&#160;      std::fill(values + values_read, values + values_read + repeat_batch,</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;                static_cast&lt;T&gt;(<a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a>));</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;      <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> -= repeat_batch;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;      values_read += repeat_batch;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> &gt; 0) {</div><div class="line"><a name="l00297"
 ></a><span class="lineno">  297</span>&#160;      <span class="keywordtype">int</span> literal_batch =</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;          std::min(batch_size - values_read, static_cast&lt;int&gt;(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a>));</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;      <span class="keywordtype">int</span> actual_read =</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;          <a class="code" href="classarrow_1_1_rle_decoder.html#ae322ce67872b6927016b391b5533d438">bit_reader_</a>.<a class="code" href="classarrow_1_1_bit_reader.html#a6f023d4ce78bd6a9cbc2f372f441d964">GetBatch</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, values + values_read, literal_batch);</div><div class="line"><a name="l00301"></a><span 
 class="lineno">  301</span>&#160;      <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(actual_read, literal_batch);</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;      <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> -= literal_batch;</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;      values_read += literal_batch;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;      <span class="keywordflow">if</span> (!NextCounts&lt;T&gt;()) <span class="keywordflow">return</span> values_read;</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    }</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;  }<
 /div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;  <span class="keywordflow">return</span> values_read;</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;}</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00313"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_decoder.html#a57fc03429dd19dddd43efb262dc318de">  313</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_decoder.html#a57fc03429dd19dddd43efb262dc318de">RleDecoder::GetBatchWithDict</a>(<span class="keyword">const</span> T* <a class="code" href="namesp
 acearrow.html#a60af355046f03b01c4fcbc6fcaed4ea1">dictionary</a>, T* values, <span class="keywordtype">int</span> batch_size) {</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  <a class="code" href="logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, 0);</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  <span class="keywordtype">int</span> values_read = 0;</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;  <span class="keywordflow">while</span> (values_read &lt; batch_size) {</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d
 7">repeat_count_</a> &gt; 0) {</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;      <span class="keywordtype">int</span> repeat_batch =</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;          std::min(batch_size - values_read, static_cast&lt;int&gt;(<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>));</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;      std::fill(values + values_read, values + values_read + repeat_batch,</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;                dictionary[<a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a>]);</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;      <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_
 count_</a> -= repeat_batch;</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;      values_read += repeat_batch;</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> &gt; 0) {</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;      <span class="keywordtype">int</span> literal_batch =</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;          std::min(batch_size - values_read, static_cast&lt;int&gt;(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a>));</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#16
 0;      <span class="keyword">const</span> <span class="keywordtype">int</span> buffer_size = 1024;</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;      <span class="keywordtype">int</span> indices[buffer_size];</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;      literal_batch = std::min(literal_batch, buffer_size);</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;      <span class="keywordtype">int</span> actual_read = <a class="code" href="classarrow_1_1_rle_decoder.html#ae322ce67872b6927016b391b5533d438">bit_reader_</a>.<a class="code" href="classarrow_1_1_bit_reader.html#a6f023d4ce78bd6a9cbc2f372f441d964">GetBatch</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, &amp;indices[0], literal_batch);</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;      <a class="code" href="logging_8h.
 html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(actual_read, literal_batch);</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; literal_batch; ++i) {</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;        values[values_read + i] = dictionary[indices[i]];</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;      }</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;      <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> -= literal_batch;</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;      values_read += literal_batch;</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="li
 ne"><a name="l00340"></a><span class="lineno">  340</span>&#160;      <span class="keywordflow">if</span> (!NextCounts&lt;T&gt;()) <span class="keywordflow">return</span> values_read;</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;    }</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;  }</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;  <span class="keywordflow">return</span> values_read;</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;}</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00348"></a><span class="lineno"><a class="li
 ne" href="classarrow_1_1_rle_decoder.html#a40ddd386f477c6e16a0f3ef7116cb469">  348</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_decoder.html#a40ddd386f477c6e16a0f3ef7116cb469">RleDecoder::GetBatchWithDictSpaced</a>(<span class="keyword">const</span> T* <a class="code" href="namespacearrow.html#a60af355046f03b01c4fcbc6fcaed4ea1">dictionary</a>, T* values,</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;                                              <span class="keywordtype">int</span> batch_size, <span class="keywordtype">int</span> null_count,</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;                                              <span class="keyword">const</span> uint8_t* valid_bits,</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;                                              int64_t valid_
 bits_offset) {</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;  <a class="code" href="logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, 0);</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;  <span class="keywordtype">int</span> values_read = 0;</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;  <span class="keywordtype">int</span> remaining_nulls = null_count;</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;  <a class="code" href="bit-util_8h.html#a760bf109287895672418b5a7855d4464">INIT_BITSET</a>(valid_bits, static_cast&lt;int&gt;(valid_bits_offset));</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;  <span clas
 s="keywordflow">while</span> (values_read &lt; batch_size) {</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    <span class="keywordtype">bool</span> is_valid = (bitset_valid_bits &amp; (1 &lt;&lt; bit_offset_valid_bits)) != 0;</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <a class="code" href="bit-util_8h.html#abd53b6fe5d0ee60b928d2813f89422cf">READ_NEXT_BITSET</a>(valid_bits);</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    <span class="keywordflow">if</span> (is_valid) {</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;      <span class="keywordflow">if</span> ((<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> == 0) &amp;&amp; (<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b
 675bbc5394eb58eb33c08">literal_count_</a> == 0)) {</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;        <span class="keywordflow">if</span> (!NextCounts&lt;T&gt;()) <span class="keywordflow">return</span> values_read;</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;      }</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;      <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt; 0) {</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;        T value = dictionary[<a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a>];</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;        <span class="comment">// The current index is already valid, we don&#39;t need to check that a
 gain</span></div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;        <span class="keywordtype">int</span> repeat_batch = 1;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;        <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>--;</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;        <span class="keywordflow">while</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt; 0 &amp;&amp; (values_read + repeat_batch) &lt; batch_size) {</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;          <span class="keywordflow">if</span> (bitset_valid_bits &amp; (1 &lt;&lt; bit_offset_valid_bits)) {</div><div class="line"><a name="l00373"></a><span class="l
 ineno">  373</span>&#160;            <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>--;</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;          } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;            remaining_nulls--;</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;          }</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;          repeat_batch++;</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;          <a class="code" href="bit-util_8h.html#abd53b6fe5d0ee60b928d2813f89422cf">READ_NEXT_BITSET</a>(valid_bits);</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;        }</div><div class="li
 ne"><a name="l00381"></a><span class="lineno">  381</span>&#160;        std::fill(values + values_read, values + values_read + repeat_batch, value);</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        values_read += repeat_batch;</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;      } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> &gt; 0) {</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;        <span class="keywordtype">int</span> literal_batch = std::min(batch_size - values_read - remaining_nulls,</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;                                     static_cast&lt;int&gt;(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_<
 /a>));</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;        <span class="comment">// Decode the literals</span></div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        constexpr <span class="keywordtype">int</span> kBufferSize = 1024;</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;        <span class="keywordtype">int</span> indices[kBufferSize];</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        literal_batch = std::min(literal_batch, kBufferSize);</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;        <span class="keywordtype">int</span> actual_read = <a class="code" href="classarrow_1_1_rle_decoder.html#ae322ce67872b6927016b391b5533d438">bit_reader_</a>.<a class="code" href="classarrow_1_1_bit_reader.html#a6f023d4ce
 78bd6a9cbc2f372f441d964">GetBatch</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, &amp;indices[0], literal_batch);</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;        <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(actual_read, literal_batch);</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;        <span class="keywordtype">int</span> skipped = 0;</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;        <span class="keywordtype">int</span> literals_read = 1;</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        values[values_read] = dictionary[indices[0]];</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;</div><div class="line
 "><a name="l00398"></a><span class="lineno">  398</span>&#160;        <span class="comment">// Read the first bitset to the end</span></div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;        <span class="keywordflow">while</span> (literals_read &lt; literal_batch) {</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;          <span class="keywordflow">if</span> (bitset_valid_bits &amp; (1 &lt;&lt; bit_offset_valid_bits)) {</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;            values[values_read + literals_read + skipped] =</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;                dictionary[indices[literals_read]];</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;            literals_read++;</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;          } <span class="keywo
 rdflow">else</span> {</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;            skipped++;</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;          }</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;          <a class="code" href="bit-util_8h.html#abd53b6fe5d0ee60b928d2813f89422cf">READ_NEXT_BITSET</a>(valid_bits);</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;        }</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;        <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> -= literal_batch;</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;        values_read += literal_batch + skipped;</div><div class="line"><a name="l00412"></a><spa
 n class="lineno">  412</span>&#160;        remaining_nulls -= skipped;</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;      }</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;      values_read++;</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;      remaining_nulls--;</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;    }</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;  }</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;  <span class="keywordflow">return</span> values_read;</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;}</div><div c
 lass="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="keywordtype">bool</span> RleDecoder::NextCounts() {</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;  <span class="comment">// Read the next run&#39;s indicator int, it could be a literal or repeated run.</span></div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;  <span class="comment">// The int is encoded as a vlq-encoded value.</span></div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;  int32_t indicator_value = 0;</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;  <span class="keywordtype">bool</span> result = <a cla
 ss="code" href="classarrow_1_1_rle_decoder.html#ae322ce67872b6927016b391b5533d438">bit_reader_</a>.<a class="code" href="classarrow_1_1_bit_reader.html#a93bcd15198d511bf77a3980e4a9d343d">GetVlqInt</a>(&amp;indicator_value);</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;  <span class="keywordflow">if</span> (!result) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;  <span class="comment">// lsb indicates if it is a literal run or repeated run</span></div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;  <span class="keywordtype">bool</span> is_literal = indicator_value &amp; 1;</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;  <span class="keywordflow">if</span> (is_literal) {</div><div class
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 a>&lt;T&gt;(<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(BitUtil::Ceil(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, 8)),</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;                                  reinterpret_cast&lt;T*&gt;(&amp;<a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a>));</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    <a class="code" href="logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(result);</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;  }</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00443"></a><span class="lin
 eno">  443</span>&#160;}</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;</div><div class="line"><a name="l00447"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_encoder.html#aeb6b9c2fe21841200de722e4bac3d4ed">  447</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classarrow_1_1_rle_encoder.html#aeb6b9c2fe21841200de722e4bac3d4ed">RleEncoder::Put</a>(uint64_t value) {</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;  <a class="code" href="logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a> == 64 || value &lt; (1ULL &lt;&lt; <a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>));</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;  <span class
 ="keywordflow">if</span> (<a class="code" href="macros_8h.html#a6f2ee7ad52872edb915cf48e163ac99c">ARROW_PREDICT_FALSE</a>(buffer_full_)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;  <span class="keywordflow">if</span> (<a class="code" href="macros_8h.html#a1f418a9edc46d53e62732e7ccd06f329">ARROW_PREDICT_TRUE</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a> == value)) {</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;    ++<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>;</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_
 decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt; 8) {</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;      <span class="comment">// This is just a continuation of the current run, no need to buffer the</span></div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;      <span class="comment">// values.</span></div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;      <span class="comment">// Note that this is the fast path for long repeated runs.</span></div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;    }</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00460"></a>
 <span class="lineno">  460</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt;= 8) {</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;      <span class="comment">// We had a run that was long enough but it has ended.  Flush the</span></div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;      <span class="comment">// current repeated run.</span></div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;      <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a>, 0);</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;      FlushRepeatedRun();</div><div class="line"><a name="l00465"></a><span class="lineno">  465</sp
 an>&#160;    }</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;    <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> = 1;</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;    <a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a> = value;</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;  }</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;  buffered_values_[num_buffered_values_] = value;</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;  <span class="keywordflow">if</span> (++num_buffered_values_ == 8) {</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    <a class="code" href="logging_8h.ht
 ml#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> % 8, 0);</div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;    FlushBufferedValues(<span class="keyword">false</span>);</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;  }</div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;}</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> RleEncoder::FlushLiteralRun(<span class="keywordtype">bool</span> update_indicator_byte) {</div><div class="lin
 e"><a name="l00479"></a><span class="lineno">  479</span>&#160;  <span class="keywordflow">if</span> (literal_indicator_byte_ == NULL) {</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="comment">// The literal indicator byte has not been reserved yet, get one now.</span></div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    literal_indicator_byte_ = bit_writer_.GetNextBytePtr();</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;    <a class="code" href="logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(literal_indicator_byte_ != NULL);</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;  }</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;  <span class="comment">// Write all the buffered values as bit packed l
 iterals</span></div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; num_buffered_values_; ++i) {</div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    <span class="keywordtype">bool</span> success = bit_writer_.PutValue(buffered_values_[i], <a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>);</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;    <a class="code" href="logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(success) &lt;&lt; <span class="stringliteral">&quot;There is a bug in using CheckBufferFull()&quot;</span>;</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;  }</div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;  num_buffered_values_ = 0;</div><div class="li
 ne"><a name="l00491"></a><span class="lineno">  491</span>&#160;</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;  <span class="keywordflow">if</span> (update_indicator_byte) {</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    <span class="comment">// At this point we need to write the indicator byte for the literal run.</span></div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;    <span class="comment">// We only reserve one byte, to allow for streaming writes of literal values.</span></div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;    <span class="comment">// The logic makes sure we flush literal runs often enough to not overrun</span></div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    <span class="comment">// the 1 byte.</span></div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#1
 60;    <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> % 8, 0);</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    <span class="keywordtype">int</span> num_groups = <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> / 8;</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    int32_t indicator_value = (num_groups &lt;&lt; 1) | 1;</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(indicator_value &amp; 0xFFFFFF00, 0);</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;    *literal_indicator_byte_ = <span class="keyword">static_cast&lt;</span>uint8_t<span class="keyw
 ord">&gt;</span>(indicator_value);</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    literal_indicator_byte_ = NULL;</div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;    <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> = 0;</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;    CheckBufferFull();</div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;  }</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;}</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> RleEncoder::FlushRepeatedRun() {</div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;  <a cla
 ss="code" href="logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a">DCHECK_GT</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>, 0);</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;  <span class="keywordtype">bool</span> result = <span class="keyword">true</span>;</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;  <span class="comment">// The lsb of 0 indicates this is a repeated run</span></div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;  int32_t indicator_value = <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &lt;&lt; 1 | 0;</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;  result &amp;= bit_writer_.PutVlqInt(indicator_value);</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;  result &amp;= bi
 t_writer_.PutAligned(<a class="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a>,</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;                                   static_cast&lt;int&gt;(BitUtil::Ceil(<a class="code" href="classarrow_1_1_rle_decoder.html#af5b7d1065870c531497185144788570a">bit_width_</a>, 8)));</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;  <a class="code" href="logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(result);</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;  num_buffered_values_ = 0;</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;  <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> = 0;</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;  CheckBufferFull();</div><div c
 lass="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;}</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> RleEncoder::FlushBufferedValues(<span class="keywordtype">bool</span> done) {</div><div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;  <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt;= 8) {</div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;    <span class="comment">// Clear the buffered values.  They are part of the repeated run now and we</span></div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    <span class="comment">// don&#39;t want to flush them out as literals.</span></div><d
 iv class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;    num_buffered_values_ = 0;</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> != 0) {</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;      <span class="comment">// There was a current literal run.  All the values in it have been flushed</span></div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;      <span class="comment">// but we still need to update the indicator byte.</span></div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;      <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> % 8,
  0);</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;      <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>, 8);</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;      FlushLiteralRun(<span class="keyword">true</span>);</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    }</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;    <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a>, 0);</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00538"></a><span class="li
 neno">  538</span>&#160;  }</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;</div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;  <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> += num_buffered_values_;</div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;  <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> % 8, 0);</div><div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;  <span class="keywordtype">int</span> num_groups = <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> / 8;</div><div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;  <span class="keywordflow">if</span> (num_grou
 ps + 1 &gt;= (1 &lt;&lt; 6)) {</div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;    <span class="comment">// We need to start a new literal run because the indicator byte we&#39;ve reserved</span></div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    <span class="comment">// cannot store more values.</span></div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    <a class="code" href="logging_8h.html#ae17f8119c108cf3070bad3449c7e0006">DCHECK</a>(literal_indicator_byte_ != NULL);</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    FlushLiteralRun(<span class="keyword">true</span>);</div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;    FlushLiteralRun(done);</div><div class="line"><a name="l00550">
 </a><span class="lineno">  550</span>&#160;  }</div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;  <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> = 0;</div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;}</div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;</div><div class="line"><a name="l00554"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_encoder.html#afa2d613daeb930316e02581751e5de08">  554</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classarrow_1_1_rle_encoder.html#afa2d613daeb930316e02581751e5de08">RleEncoder::Flush</a>() {</div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;  <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_c
 ount_</a> &gt; 0 || <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt; 0 || num_buffered_values_ &gt; 0) {</div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;    <span class="keywordtype">bool</span> all_repeat = <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> == 0 &amp;&amp; (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> == num_buffered_values_ ||</div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;                                              num_buffered_values_ == 0);</div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;    <span class="comment">// There is something pending, figure out if it&#39;s a repeated or literal run</span></div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#
 160;    <span class="keywordflow">if</span> (<a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> &gt; 0 &amp;&amp; all_repeat) {</div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;      FlushRepeatedRun();</div><div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;      <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> % 8, 0);</div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;      <span class="comment">// Buffer the last group of literals to 8 by padding with 0s.</span></div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;      <span class="
 keywordflow">for</span> (; num_buffered_values_ != 0 &amp;&amp; num_buffered_values_ &lt; 8;</div><div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;           ++num_buffered_values_) {</div><div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;        buffered_values_[num_buffered_values_] = 0;</div><div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;      }</div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;      <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> += num_buffered_values_;</div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;      FlushLiteralRun(<span class="keyword">true</span>);</div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;      <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>
  = 0;</div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;    }</div><div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;  }</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;  bit_writer_.Flush();</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;  <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(num_buffered_values_, 0);</div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;  <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a>, 0);</div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;  <a class="code" href="logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0">DCHECK_EQ</a>(<a class="code" href="classarrow_1_1_rle_decoder.html#
 a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a>, 0);</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;</div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;  <span class="keywordflow">return</span> bit_writer_.bytes_written();</div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;}</div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;</div><div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> RleEncoder::CheckBufferFull() {</div><div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;  <span class="keywordtype">int</span> bytes_written = bit_writer_.bytes_written();</div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;  <span class="keywordflow">if</span> (bytes_written + max_run_byte_size_ &gt; bit_writer_.bu
 ffer_len()) {</div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    buffer_full_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;  }</div><div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;}</div><div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;</div><div class="line"><a name="l00588"></a><span class="lineno"><a class="line" href="classarrow_1_1_rle_encoder.html#a944b1ef4608bb5ff8e64c85c225b56fe">  588</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classarrow_1_1_rle_encoder.html#a944b1ef4608bb5ff8e64c85c225b56fe">RleEncoder::Clear</a>() {</div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;  buffer_full_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;  <a c
 lass="code" href="classarrow_1_1_rle_decoder.html#a088d8f1f38b46f1e8c016224041d357d">current_value_</a> = 0;</div><div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;  <a class="code" href="classarrow_1_1_rle_decoder.html#a3322b6e9e41a478d05c0a771142d61d7">repeat_count_</a> = 0;</div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;  num_buffered_values_ = 0;</div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;  <a class="code" href="classarrow_1_1_rle_decoder.html#ad86a89aeb9b675bbc5394eb58eb33c08">literal_count_</a> = 0;</div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;  literal_indicator_byte_ = NULL;</div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;  bit_writer_.Clear();</div><div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;}</div><div class="line"><a name="l00597"></a><span class="lineno">  597</sp
 an>&#160;</div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;}  <span class="comment">// namespace arrow</span></div><div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;</div><div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;<span class="preprocessor">#endif  // ARROW_UTIL_RLE_ENCODING_H</span></div><div class="ttc" id="classarrow_1_1_rle_encoder_html_afa2d613daeb930316e02581751e5de08"><div class="ttname"><a href="classarrow_1_1_rle_encoder.html#afa2d613daeb930316e02581751e5de08">arrow::RleEncoder::Flush</a></div><div class="ttdeci">int Flush()</div><div class="ttdoc">Flushes any pending values to the underlying buffer. </div><div class="ttdef"><b>Definition:</b> rle-encoding.h:554</div></div>
+<a href="rle-encoding_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// or more contributor license agreements.  See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// regarding copyright ownership.  The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span 
 class="lineno">    6</span>&#160;<span class="comment">// &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// with the License.  You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">//   http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// software distribu
 ted under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">// KIND, either express or implied.  See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">// Imported from Apache Impala (incubating) on 2016-01-29 and modified for use</span></div><div clas
 s="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">// in parquet-cpp, Arrow</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef ARROW_UTIL_RLE_ENCODING_H</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#define ARROW_UTIL_RLE_ENCODING_H</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;math.h&gt;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span><

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