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<div class="title">validate_flag.cc</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 Google Inc. All rights reserved.</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">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Flag validation help functions.</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/app/validate_flag.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <stdio.h></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/base/strings/stringprintf.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="../../d8/daf/namespaceshaka.html#a9eab59c66195b54a0f4f2ff67630c2cd"> 17</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d8/daf/namespaceshaka.html#a9eab59c66195b54a0f4f2ff67630c2cd">ValidateFlag</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* flag_name,</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">const</span> std::string& flag_value,</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordtype">bool</span> condition,</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordtype">bool</span> optional,</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* label) {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordflow">if</span> (flag_value.empty()) {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">if</span> (!optional && condition) {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <a class="code" href="../../d8/daf/namespaceshaka.html#a54fadd9c7ef14b39cd0355a5c269c772">PrintError</a>(</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  base::StringPrintf(<span class="stringliteral">"--%s is required if %s."</span>, flag_name, label));</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  }</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!condition) {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="../../d8/daf/namespaceshaka.html#a54fadd9c7ef14b39cd0355a5c269c772">PrintError</a>(base::StringPrintf(</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="stringliteral">"--%s should be specified only if %s."</span>, flag_name, label));</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> }</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"><a class="line" href="../../d8/daf/namespaceshaka.html#a54fadd9c7ef14b39cd0355a5c269c772"> 36</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/daf/namespaceshaka.html#a54fadd9c7ef14b39cd0355a5c269c772">PrintError</a>(<span class="keyword">const</span> std::string& error_message) {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  fprintf(stderr, <span class="stringliteral">"ERROR: %s\n"</span>, error_message.c_str());</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> }</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> } <span class="comment">// namespace shaka</span></div>
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<div class="ttc" id="namespaceshaka_html_a54fadd9c7ef14b39cd0355a5c269c772"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html#a54fadd9c7ef14b39cd0355a5c269c772">shaka::PrintError</a></div><div class="ttdeci">void PrintError(const std::string &error_message)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/dad/validate__flag_8cc_source.html#l00036">validate_flag.cc:36</a></div></div>
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<div class="ttc" id="namespaceshaka_html_a9eab59c66195b54a0f4f2ff67630c2cd"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html#a9eab59c66195b54a0f4f2ff67630c2cd">shaka::ValidateFlag</a></div><div class="ttdeci">bool ValidateFlag(const char *flag_name, const std::string &flag_value, bool condition, bool optional, const char *label)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/dad/validate__flag_8cc_source.html#l00017">validate_flag.cc:17</a></div></div>
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