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<a name="boost.program_options.validation_error"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Class validation_error</span></h2>
<p>boost::program_options::validation_error</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../program_options/reference.html#header.boost.program_options.errors_hpp" title="Header &lt;boost/program_options/errors.hpp&gt;">boost/program_options/errors.hpp</a>&gt;
</span>
<span class="keyword">class</span> <a class="link" href="validation_error.html" title="Class validation_error">validation_error</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">program_options</span><span class="special">::</span><span class="identifier">error</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="keyword">enum</span> <a name="boost.program_options.validation_error.kind_t"></a>kind_t <span class="special">{</span> multiple_values_not_allowed = 30,
at_least_one_value_required, invalid_bool_value,
invalid_option_value, invalid_option <span class="special">}</span><span class="special">;</span>
<span class="comment">// <a class="link" href="validation_error.html#boost.program_options.validation_errorconstruct-copy-destruct">construct/copy/destruct</a></span>
<a class="link" href="validation_error.html#id986910-bb"><span class="identifier">validation_error</span></a><span class="special">(</span><span class="identifier">kind_t</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> <span class="special">=</span> <span class="string">""</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> <span class="special">=</span> <span class="string">""</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="validation_error.html#id932773-bb"><span class="special">~</span><span class="identifier">validation_error</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="validation_error.html#id981137-bb">public member functions</a></span>
<span class="keyword">void</span> <a class="link" href="validation_error.html#id981140-bb"><span class="identifier">set_option_name</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> <a class="link" href="validation_error.html#id981152-bb"><span class="identifier">get_option_name</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> <a class="link" href="validation_error.html#id986903-bb"><span class="identifier">what</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="comment">// <a class="link" href="validation_error.html#id932774-bb">protected static functions</a></span>
<span class="keyword">static</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a class="link" href="validation_error.html#id932777-bb"><span class="identifier">error_message</span></a><span class="special">(</span><span class="identifier">kind_t</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id2082359"></a><h2>Description</h2>
<p>Class thrown when value of option is incorrect. </p>
<div class="refsect2">
<a name="id2082366"></a><h3>
<a name="boost.program_options.validation_errorconstruct-copy-destruct"></a><code class="computeroutput">validation_error</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><a name="id986910-bb"></a><span class="identifier">validation_error</span><span class="special">(</span><span class="identifier">kind_t</span> kind<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> option_value <span class="special">=</span> <span class="string">""</span><span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> option_name <span class="special">=</span> <span class="string">""</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="id932773-bb"></a><span class="special">~</span><span class="identifier">validation_error</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="id2082536"></a><h3>
<a name="id981137-bb"></a><code class="computeroutput">validation_error</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="id981140-bb"></a><span class="identifier">set_option_name</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> option<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> <a name="id981152-bb"></a><span class="identifier">get_option_name</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="keyword">char</span> <span class="special">*</span> <a name="id986903-bb"></a><span class="identifier">what</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="id2082726"></a><h3>
<a name="id932774-bb"></a><code class="computeroutput">validation_error</code> protected static functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<pre class="literallayout"><span class="keyword">static</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a name="id932777-bb"></a><span class="identifier">error_message</span><span class="special">(</span><span class="identifier">kind_t</span> kind<span class="special">)</span><span class="special">;</span></pre>
<p>Used to convert kind_t to a related error text </p>
</li></ol></div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2002-2004 Vladimir Prus<p>Distributed under the Boost Software License, Version 1.0.
(See accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at
<a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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