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<a href="filter_8hpp.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;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#ifndef filter_h</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#define filter_h</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &quot;value.hpp&quot;</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacefv.html">fv</a> {</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classfv_1_1Filter.html">   44</a></span>&#160;<span class="keyword">class </span><a class="code" href="classfv_1_1Filter.html">Filter</a> : <span class="keyword">public</span> <a class="code" href="classfv_1_1DerivedValue.html">DerivedValue</a>&lt;bool&gt;{</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keyword">private</span>:</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        <a class="code" href="classfv_1_1Function.html">Function&lt;bool()&gt;</a>&amp; filter_function;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classfv_1_1Filter.html#ab3ed620127ccb32f75bc5e78bc8a60b3">   48</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classfv_1_1Filter.html#ab3ed620127ccb32f75bc5e78bc8a60b3">update_value</a>(){</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            value = filter_function();</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        }</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <a class="code" href="classfv_1_1Filter.html">Filter</a>(<span class="keyword">const</span> std::string&amp; <a class="code" href="classfv_1_1GenValue.html#a610f89ee441eaad4c9e78f74d6bde93b">name</a>, std::function&lt;<span class="keywordtype">bool</span>()&gt; filter_function, <span class="keyword">const</span> std::string&amp; impl=<span class="stringliteral">&quot;&quot;</span>)</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;          :<a class="code" href="classfv_1_1DerivedValue.html">DerivedValue&lt;bool&gt;</a>(<a class="code" href="classfv_1_1GenValue.html#a610f89ee441eaad4c9e78f74d6bde93b">name</a>),</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;           filter_function(GenFunction::register_function&lt;<span class="keywordtype">bool</span>()&gt;(<span class="stringliteral">&quot;filter::&quot;</span>+<a class="code" href="classfv_1_1GenValue.html#a610f89ee441eaad4c9e78f74d6bde93b">name</a>, filter_function, impl)){ }</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classfv_1_1Filter.html#ae787cf77d98ac3604cba541afad0b351">   59</a></span>&#160;        <a class="code" href="classfv_1_1Filter.html">Filter</a>* <a class="code" href="classfv_1_1Filter.html#ae787cf77d98ac3604cba541afad0b351">operator*</a>(<a class="code" href="classfv_1_1Filter.html">Filter</a> *f){</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <span class="keyword">auto</span> new_name = this-&gt;get_name() + <span class="stringliteral">&quot;&amp;&amp;&quot;</span> + f-&gt;get_name();</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classfv_1_1Filter.html">Filter</a>(new_name, [<span class="keyword">this</span>, f](){<span class="keywordflow">return</span> this-&gt;<a class="code" href="classfv_1_1DerivedValue.html#a39970158aa8f6eb062a28037df6e2128">get_value</a>() &amp;&amp; f-&gt;<a class="code" href="classfv_1_1DerivedValue.html#a39970158aa8f6eb062a28037df6e2128">get_value</a>();});</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        }</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classfv_1_1Filter.html#aea96a9a83e172b7fdb64be78b0b3fffe">   67</a></span>&#160;        <a class="code" href="classfv_1_1Filter.html">Filter</a>* <a class="code" href="classfv_1_1Filter.html#aea96a9a83e172b7fdb64be78b0b3fffe">operator+</a>(<a class="code" href="classfv_1_1Filter.html">Filter</a> *f){</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            <span class="keyword">auto</span> new_name = this-&gt;get_name() + <span class="stringliteral">&quot;||&quot;</span> + f-&gt;get_name();</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classfv_1_1Filter.html">Filter</a>(new_name, [<span class="keyword">this</span>, f](){<span class="keywordflow">return</span> this-&gt;<a class="code" href="classfv_1_1DerivedValue.html#a39970158aa8f6eb062a28037df6e2128">get_value</a>() || f-&gt;<a class="code" href="classfv_1_1DerivedValue.html#a39970158aa8f6eb062a28037df6e2128">get_value</a>();});</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        }</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classfv_1_1Filter.html#abb459c8bbb3b51cd85ab5a0f7b2f154d">   74</a></span>&#160;        <a class="code" href="classfv_1_1Filter.html">Filter</a>* <a class="code" href="classfv_1_1Filter.html#abb459c8bbb3b51cd85ab5a0f7b2f154d">operator!</a>(){</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;            <span class="keyword">auto</span> new_name = std::string(<span class="stringliteral">&quot;!(&quot;</span>) + this-&gt;get_name() + std::string(<span class="stringliteral">&quot;)&quot;</span>);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classfv_1_1Filter.html">Filter</a>(new_name, [<span class="keyword">this</span>](){<span class="keywordflow">return</span> !this-&gt;<a class="code" href="classfv_1_1DerivedValue.html#a39970158aa8f6eb062a28037df6e2128">get_value</a>();});</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        }</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;};</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classfv_1_1RangeFilter.html">   81</a></span>&#160;<span class="keyword">class </span><a class="code" href="classfv_1_1RangeFilter.html">RangeFilter</a> : <span class="keyword">public</span> <a class="code" href="classfv_1_1Filter.html">Filter</a>{</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="keyword">private</span>:</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <a class="code" href="classfv_1_1RangeFilter.html">RangeFilter</a>(<span class="keyword">const</span> std::string <a class="code" href="classfv_1_1GenValue.html#a610f89ee441eaad4c9e78f74d6bde93b">name</a>, <a class="code" href="classfv_1_1Value.html">Value&lt;T&gt;</a>* test_value, T range_low, T range_high):</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;          <a class="code" href="classfv_1_1Filter.html">Filter</a>(name, [test_value, range_low, range_high]{</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;                  T val = test_value-&gt;<a class="code" href="classfv_1_1Value.html#a4cc70444ceaf5d7651922adf9b7beeff">get_value</a>();</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;                  <span class="keywordflow">return</span> (val &gt;= range_low) &amp;&amp; (val &lt; range_high);</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;                  }) { }</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;};</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;}</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#endif // filter_h</span></div><div class="ttc" id="classfv_1_1DerivedValue_html_a39970158aa8f6eb062a28037df6e2128"><div class="ttname"><a href="classfv_1_1DerivedValue.html#a39970158aa8f6eb062a28037df6e2128">fv::DerivedValue&lt; bool &gt;::get_value</a></div><div class="ttdeci">bool &amp; get_value()</div><div class="ttdef"><b>Definition:</b> value.hpp:372</div></div>
<div class="ttc" id="classfv_1_1GenValue_html_a610f89ee441eaad4c9e78f74d6bde93b"><div class="ttname"><a href="classfv_1_1GenValue.html#a610f89ee441eaad4c9e78f74d6bde93b">fv::GenValue::name</a></div><div class="ttdeci">std::string name</div><div class="ttdoc">The name of the value. </div><div class="ttdef"><b>Definition:</b> value.hpp:191</div></div>
<div class="ttc" id="classfv_1_1Filter_html"><div class="ttname"><a href="classfv_1_1Filter.html">fv::Filter</a></div><div class="ttdef"><b>Definition:</b> filter.hpp:44</div></div>
<div class="ttc" id="namespacefv_html"><div class="ttname"><a href="namespacefv.html">fv</a></div><div class="ttdoc">The namespace containing all filval classes and functions. </div></div>
<div class="ttc" id="classfv_1_1Filter_html_aea96a9a83e172b7fdb64be78b0b3fffe"><div class="ttname"><a href="classfv_1_1Filter.html#aea96a9a83e172b7fdb64be78b0b3fffe">fv::Filter::operator+</a></div><div class="ttdeci">Filter * operator+(Filter *f)</div><div class="ttdoc">Return a new filter that is the disjunction of the two source filters. </div><div class="ttdef"><b>Definition:</b> filter.hpp:67</div></div>
<div class="ttc" id="classfv_1_1Value_html"><div class="ttname"><a href="classfv_1_1Value.html">fv::Value</a></div><div class="ttdoc">A generic value. </div><div class="ttdef"><b>Definition:</b> value.hpp:299</div></div>
<div class="ttc" id="classfv_1_1RangeFilter_html"><div class="ttname"><a href="classfv_1_1RangeFilter.html">fv::RangeFilter</a></div><div class="ttdef"><b>Definition:</b> filter.hpp:81</div></div>
<div class="ttc" id="classfv_1_1DerivedValue_html"><div class="ttname"><a href="classfv_1_1DerivedValue.html">fv::DerivedValue</a></div><div class="ttdoc">A generic, derived, value. </div><div class="ttdef"><b>Definition:</b> value.hpp:349</div></div>
<div class="ttc" id="classfv_1_1Filter_html_ae787cf77d98ac3604cba541afad0b351"><div class="ttname"><a href="classfv_1_1Filter.html#ae787cf77d98ac3604cba541afad0b351">fv::Filter::operator*</a></div><div class="ttdeci">Filter * operator*(Filter *f)</div><div class="ttdoc">Return a new filter that is the conjuction of the two source filters. </div><div class="ttdef"><b>Definition:</b> filter.hpp:59</div></div>
<div class="ttc" id="classfv_1_1Filter_html_ab3ed620127ccb32f75bc5e78bc8a60b3"><div class="ttname"><a href="classfv_1_1Filter.html#ab3ed620127ccb32f75bc5e78bc8a60b3">fv::Filter::update_value</a></div><div class="ttdeci">void update_value()</div><div class="ttdoc">Updates the internal value. </div><div class="ttdef"><b>Definition:</b> filter.hpp:48</div></div>
<div class="ttc" id="classfv_1_1Filter_html_abb459c8bbb3b51cd85ab5a0f7b2f154d"><div class="ttname"><a href="classfv_1_1Filter.html#abb459c8bbb3b51cd85ab5a0f7b2f154d">fv::Filter::operator!</a></div><div class="ttdeci">Filter * operator!()</div><div class="ttdoc">Return a new filter that is the negation of the source filter. </div><div class="ttdef"><b>Definition:</b> filter.hpp:74</div></div>
<div class="ttc" id="classfv_1_1Function_html"><div class="ttname"><a href="classfv_1_1Function.html">fv::Function&lt; bool()&gt;</a></div></div>
<div class="ttc" id="classfv_1_1Value_html_a4cc70444ceaf5d7651922adf9b7beeff"><div class="ttname"><a href="classfv_1_1Value.html#a4cc70444ceaf5d7651922adf9b7beeff">fv::Value::get_value</a></div><div class="ttdeci">virtual T &amp; get_value()=0</div><div class="ttdoc">Calculate, if necessary, and return the value held by this object. </div></div>
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