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+<html>
+<head>
+<title>MayaChemTools:Code:MolecularDescriptors::MolecularDescriptors.pm</title>
+<meta http-equiv="content-type" content="text/html;charset=utf-8">
+<link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css">
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+<center>
+<a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a>
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+<br/>
+<pre>
+<a name="package-MolecularDescriptors::MolecularDescriptors-"></a>   1 <span class="k">package </span><span class="i">MolecularDescriptors::MolecularDescriptors</span><span class="sc">;</span>
+   2 <span class="c">#</span>
+   3 <span class="c"># $RCSfile: MolecularDescriptors.pm,v $</span>
+   4 <span class="c"># $Date: 2015/02/28 20:49:20 $</span>
+   5 <span class="c"># $Revision: 1.14 $</span>
+   6 <span class="c">#</span>
+   7 <span class="c"># Author: Manish Sud &lt;msud@san.rr.com&gt;</span>
+   8 <span class="c">#</span>
+   9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span>
+  10 <span class="c">#</span>
+  11 <span class="c"># This file is part of MayaChemTools.</span>
+  12 <span class="c">#</span>
+  13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span>
+  14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span>
+  15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span>
+  16 <span class="c"># later version.</span>
+  17 <span class="c">#</span>
+  18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span>
+  19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span>
+  20 <span class="c"># for a particular purpose.  See the GNU Lesser General Public License for more</span>
+  21 <span class="c"># details.</span>
+  22 <span class="c">#</span>
+  23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span>
+  24 <span class="c"># along with MayaChemTools; if not, see &lt;http://www.gnu.org/licenses/&gt; or</span>
+  25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span>
+  26 <span class="c"># Boston, MA, 02111-1307, USA.</span>
+  27 <span class="c">#</span>
+  28 
+  29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span>
+  30 <span class="k">use</span> <span class="w">Carp</span><span class="sc">;</span>
+  31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span>
+  32 <span class="k">use</span> <span class="w">Scalar::Util</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+  33 <span class="k">use</span> <span class="w">ObjectProperty</span><span class="sc">;</span>
+  34 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+  35 
+  36 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span>
+  37 
+  38 <span class="i">@ISA</span> = <span class="q">qw(ObjectProperty Exporter)</span><span class="sc">;</span>
+  39 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span>
+  40 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span>
+  41 
+  42 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span><span class="w">all</span>  <span class="cm">=&gt;</span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span><span class="s">)</span><span class="sc">;</span>
+  43 
+  44 <span class="c"># Setup class variables...</span>
+  45 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span>
+  46 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+  47 
+  48 <span class="c"># Class constructor...</span>
+<a name="new-"></a>  49 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span>
+  50   <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+  51 
+  52   <span class="c"># Initialize object...</span>
+  53   <span class="k">my</span> <span class="i">$This</span> = <span class="s">{</span><span class="s">}</span><span class="sc">;</span>
+  54   <span class="k">bless</span> <span class="i">$This</span><span class="cm">,</span> <span class="k">ref</span><span class="s">(</span><span class="i">$Class</span><span class="s">)</span> || <span class="i">$Class</span><span class="sc">;</span>
+  55   <span class="i">$This</span><span class="i">-&gt;_InitializeMolecularDescriptors</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+  56 
+  57   <span class="i">$This</span><span class="i">-&gt;_InitializeMolecularDescriptorsProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span>
+  58 
+  59   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+  60 <span class="s">}</span>
+  61 
+  62 <span class="c"># Initialize object data...</span>
+  63 <span class="c">#</span>
+<a name="_InitializeMolecularDescriptors-"></a>  64 <span class="k">sub </span><span class="m">_InitializeMolecularDescriptors</span> <span class="s">{</span>
+  65   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+  66 
+  67   <span class="c"># Molecule object...</span>
+  68   <span class="i">$This</span>-&gt;{<span class="w">Molecule</span>} = <span class="q">&#39;&#39;</span><span class="sc">;</span>
+  69 
+  70   <span class="c"># Type of molecular descriptors...</span>
+  71   <span class="i">$This</span>-&gt;{<span class="w">Type</span>} = <span class="q">&#39;&#39;</span><span class="sc">;</span>
+  72 
+  73   <span class="c"># Names and calculated value of molecular descriptors...</span>
+  74   <span class="c">#</span>
+  75   <span class="c"># The specific descriptor class, derived from this base class, populate descriptor names and values</span>
+  76   <span class="c"># arrays...</span>
+  77   <span class="c">#</span>
+  78   <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+  79   <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorValues</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+  80 
+  81   <span class="c"># Marks successful generation of descriptors...</span>
+  82   <span class="i">$This</span>-&gt;{<span class="w">DescriptorsGenerated</span>} = <span class="n">0</span><span class="sc">;</span>
+  83 
+  84 <span class="s">}</span>
+  85 
+  86 <span class="c"># Initialize class ...</span>
+<a name="_InitializeClass-"></a>  87 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span>
+  88   <span class="c">#Class name...</span>
+  89   <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span>
+  90 <span class="s">}</span>
+  91 
+  92 
+  93 <span class="c"># Initialize object properties....</span>
+<a name="_InitializeMolecularDescriptorsProperties-"></a>  94 <span class="k">sub </span><span class="m">_InitializeMolecularDescriptorsProperties</span> <span class="s">{</span>
+  95   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+  96 
+  97   <span class="k">my</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$MethodName</span><span class="s">)</span><span class="sc">;</span>
+  98   <span class="k">while</span> <span class="s">(</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="k">each</span>  <span class="i">%NamesAndValues</span><span class="s">)</span> <span class="s">{</span>
+  99     <span class="i">$MethodName</span> = <span class="q">&quot;Set${Name}&quot;</span><span class="sc">;</span>
+ 100     <span class="i">$This</span><span class="i">-&gt;$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span>
+ 101   <span class="s">}</span>
+ 102 
+ 103   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 104 <span class="s">}</span>
+ 105 
+ 106 <span class="c"># Initialize descriptor names and values...</span>
+ 107 <span class="c">#</span>
+<a name="_InitializeDescriptorNamesAndValues-"></a> 108 <span class="k">sub </span><span class="m">_InitializeDescriptorNamesAndValues</span> <span class="s">{</span>
+ 109   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Names</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 110 
+ 111   <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}} = <span class="i">@Names</span><span class="sc">;</span>
+ 112 
+ 113   <span class="i">$This</span><span class="i">-&gt;_InitializeDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+ 114 
+ 115   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 116 <span class="s">}</span>
+ 117 
+ 118 <span class="c"># Initialize descriptor values...</span>
+ 119 <span class="c">#</span>
+<a name="_InitializeDescriptorValues-"></a> 120 <span class="k">sub </span><span class="m">_InitializeDescriptorValues</span> <span class="s">{</span>
+ 121   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 122 
+ 123   <span class="i">$This</span>-&gt;{<span class="w">DescriptorsGenerated</span>} = <span class="n">0</span><span class="sc">;</span>
+ 124 
+ 125   <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorValues</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+ 126 
+ 127   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 128 <span class="s">}</span>
+ 129 
+ 130 <span class="c"># Set molecule object...</span>
+ 131 <span class="c">#</span>
+<a name="SetMolecule-"></a> 132 <span class="k">sub </span><span class="m">SetMolecule</span> <span class="s">{</span>
+ 133   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Molecule</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 134 
+ 135   <span class="i">$This</span>-&gt;{<span class="w">Molecule</span>} = <span class="i">$Molecule</span><span class="sc">;</span>
+ 136 
+ 137   <span class="c"># Weaken the reference to disable increment of reference count...</span>
+ 138   <span class="i">Scalar::Util::weaken</span><span class="s">(</span><span class="i">$This</span>-&gt;{<span class="w">Molecule</span>}<span class="s">)</span><span class="sc">;</span>
+ 139 
+ 140   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 141 <span class="s">}</span>
+ 142 
+ 143 <span class="c"># Set type and make sure it&#39;s not already set...</span>
+ 144 <span class="c">#</span>
+<a name="SetType-"></a> 145 <span class="k">sub </span><span class="m">SetType</span> <span class="s">{</span>
+ 146   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Type</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 147 
+ 148   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>-&gt;{<span class="w">Type</span>}<span class="s">)</span> <span class="s">{</span>
+ 149     <span class="w">croak</span> <span class="q">&quot;Error: ${ClassName}-&gt;SetType: Can&#39;t change MolecularDescriptors type:  It&#39;s already set...&quot;</span><span class="sc">;</span>
+ 150   <span class="s">}</span>
+ 151   <span class="i">$This</span>-&gt;{<span class="w">Type</span>} = <span class="i">$Type</span><span class="sc">;</span>
+ 152 
+ 153   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 154 <span class="s">}</span>
+ 155 
+ 156 <span class="c"># Get molecular descriptor names as an array...</span>
+ 157 <span class="c">#</span>
+<a name="GetDescriptorNames-"></a> 158 <span class="k">sub </span><span class="m">GetDescriptorNames</span> <span class="s">{</span>
+ 159   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 160 
+ 161   <span class="k">return</span> <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}}<span class="sc">;</span>
+ 162 <span class="s">}</span>
+ 163 
+ 164 <span class="c"># Set descriptor names...</span>
+ 165 <span class="c">#</span>
+<a name="SetDescriptorNames-"></a> 166 <span class="k">sub </span><span class="m">SetDescriptorNames</span> <span class="s">{</span>
+ 167   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Names</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 168 
+ 169   <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}} = <span class="i">@Names</span><span class="sc">;</span>
+ 170 
+ 171   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 172 <span class="s">}</span>
+ 173 
+ 174 <span class="c"># Add descriptor names...</span>
+ 175 <span class="c">#</span>
+<a name="AddDescriptorNames-"></a> 176 <span class="k">sub </span><span class="m">AddDescriptorNames</span> <span class="s">{</span>
+ 177   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Names</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 178 
+ 179   <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}}<span class="cm">,</span> <span class="i">@Names</span><span class="sc">;</span>
+ 180 
+ 181   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 182 <span class="s">}</span>
+ 183 
+ 184 <span class="c"># Set descriptor values...</span>
+ 185 <span class="c">#</span>
+<a name="SetDescriptorValues-"></a> 186 <span class="k">sub </span><span class="m">SetDescriptorValues</span> <span class="s">{</span>
+ 187   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 188 
+ 189   <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorValues</span>}} = <span class="i">@Values</span><span class="sc">;</span>
+ 190 
+ 191   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 192 <span class="s">}</span>
+ 193 
+ 194 <span class="c"># Add descriptor values...</span>
+ 195 <span class="c">#</span>
+<a name="AddDescriptorValues-"></a> 196 <span class="k">sub </span><span class="m">AddDescriptorValues</span> <span class="s">{</span>
+ 197   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">@Values</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 198 
+ 199   <span class="k">push</span> <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorValues</span>}}<span class="cm">,</span> <span class="i">@Values</span><span class="sc">;</span>
+ 200 
+ 201   <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
+ 202 <span class="s">}</span>
+ 203 
+ 204 <span class="c"># Is descriptors generation successful?</span>
+ 205 <span class="c">#</span>
+ 206 <span class="c"># Notes:</span>
+ 207 <span class="c">#   . The specific molecular descriptor class generation class sets the value of</span>
+ 208 <span class="c">#     DescriptorsCalculated  to 1 after the successful generation of descriptors;</span>
+ 209 <span class="c">#     otherwise, it&#39;s set to 0.</span>
+ 210 <span class="c">#</span>
+<a name="IsDescriptorsGenerationSuccessful-"></a> 211 <span class="k">sub </span><span class="m">IsDescriptorsGenerationSuccessful</span> <span class="s">{</span>
+ 212   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 213 
+ 214   <span class="k">return</span> <span class="i">$This</span>-&gt;{<span class="w">DescriptorsGenerated</span>} ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
+ 215 <span class="s">}</span>
+ 216 
+ 217 <span class="c"># Get all descriptor values as an array...</span>
+ 218 <span class="c">#</span>
+<a name="GetDescriptorValues-"></a> 219 <span class="k">sub </span><span class="m">GetDescriptorValues</span> <span class="s">{</span>
+ 220   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 221 
+ 222   <span class="k">if</span> <span class="s">(</span><span class="i">$This</span>-&gt;{<span class="w">DescriptorsGenerated</span>}<span class="s">)</span> <span class="s">{</span>
+ 223     <span class="k">return</span> <span class="k">wantarray</span> ? <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorValues</span>}} <span class="co">:</span> <span class="k">scalar</span> <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorValues</span>}}<span class="sc">;</span>
+ 224   <span class="s">}</span>
+ 225   <span class="k">else</span> <span class="s">{</span>
+ 226     <span class="k">my</span><span class="s">(</span><span class="i">@DescriptorValues</span><span class="s">)</span><span class="sc">;</span>
+ 227 
+ 228     <span class="i">@DescriptorValues</span> = <span class="s">(</span><span class="q">&#39;None&#39;</span><span class="s">)</span> x <span class="k">scalar</span> <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}}<span class="sc">;</span>
+ 229 
+ 230     <span class="k">return</span> <span class="k">wantarray</span> ? <span class="i">@DescriptorValues</span> <span class="co">:</span> <span class="k">scalar</span> <span class="i">@DescriptorValues</span><span class="sc">;</span>
+ 231   <span class="s">}</span>
+ 232 <span class="s">}</span>
+ 233 
+ 234 <span class="c"># Get descriptor value for a specified descriptor name...</span>
+ 235 <span class="c">#</span>
+<a name="GetDescriptorValueByName-"></a> 236 <span class="k">sub </span><span class="m">GetDescriptorValueByName</span> <span class="s">{</span>
+ 237   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Name</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 238   <span class="k">my</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span>
+ 239 
+ 240   <span class="i">%NamesAndValues</span> = <span class="i">$This</span><span class="i">-&gt;GetDescriptorNamesAndValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+ 241 
+ 242   <span class="k">return</span> <span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="i">$Name</span>} ? <span class="i">$NamesAndValues</span>{<span class="i">$Name</span>} <span class="co">:</span> <span class="q">&#39;None&#39;</span><span class="sc">;</span>
+ 243 
+ 244 <span class="s">}</span>
+ 245 
+ 246 <span class="c"># Get calculated molecular descriptor names sand values as a to a hash with names</span>
+ 247 <span class="c"># and values as key/value pairs...</span>
+ 248 <span class="c">#</span>
+<a name="GetDescriptorNamesAndValues-"></a> 249 <span class="k">sub </span><span class="m">GetDescriptorNamesAndValues</span> <span class="s">{</span>
+ 250   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 251   <span class="k">my</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span>
+ 252 
+ 253   <span class="i">%NamesAndValues</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+ 254   <span class="i">@NamesAndValues</span>{ <span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}} } = <span class="i">$This</span><span class="i">-&gt;GetDescriptorValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+ 255 
+ 256   <span class="k">return</span> <span class="i">%NamesAndValues</span><span class="sc">;</span>
+ 257 <span class="s">}</span>
+ 258 
+ 259 <span class="c"># Return a string containing descriptor names and values...</span>
+ 260 <span class="c">#</span>
+<a name="_StringifyDescriptorNamesAndValues-"></a> 261 <span class="k">sub </span><span class="m">_StringifyDescriptorNamesAndValues</span> <span class="s">{</span>
+ 262   <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
+ 263   <span class="k">my</span><span class="s">(</span><span class="i">$NamesAndValuesString</span><span class="cm">,</span> <span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">@NamesAndValuesInfo</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span>
+ 264 
+ 265   <span class="i">@NamesAndValuesInfo</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+ 266   <span class="i">%NamesAndValues</span> = <span class="i">$This</span><span class="i">-&gt;GetDescriptorNamesAndValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
+ 267 
+ 268   <span class="k">for</span> <span class="i">$Name</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$This</span>-&gt;{<span class="w">DescriptorNames</span>}}<span class="s">)</span> <span class="s">{</span>
+ 269     <span class="i">$Value</span> = <span class="i">$NamesAndValues</span>{<span class="i">$Name</span>}<span class="sc">;</span>
+ 270     <span class="i">$Value</span> = <span class="s">(</span><span class="i">TextUtil::IsEmpty</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span> || <span class="i">$Value</span> =~ <span class="q">/^None$/i</span><span class="s">)</span> ? <span class="q">&#39;None&#39;</span> <span class="co">:</span> <span class="i">$Value</span><span class="sc">;</span>
+ 271     <span class="k">push</span> <span class="i">@NamesAndValuesInfo</span><span class="cm">,</span> <span class="q">&quot;$Name - $Value&quot;</span><span class="sc">;</span>
+ 272   <span class="s">}</span>
+ 273   <span class="k">if</span> <span class="s">(</span><span class="i">@NamesAndValuesInfo</span><span class="s">)</span> <span class="s">{</span>
+ 274     <span class="i">$NamesAndValuesString</span> = <span class="q">&quot;Names - Values: &lt;&quot;</span> . <span class="i">TextUtil::JoinWords</span><span class="s">(</span>\<span class="i">@NamesAndValuesInfo</span><span class="cm">,</span> <span class="q">&quot;, &quot;</span><span class="cm">,</span> <span class="n">0</span><span class="s">)</span> . <span class="q">&quot;&gt;&quot;</span><span class="sc">;</span>
+ 275   <span class="s">}</span>
+ 276   <span class="k">else</span> <span class="s">{</span>
+ 277     <span class="i">$NamesAndValuesString</span> = <span class="q">&quot;Names - Values: &lt; None&gt;&quot;</span><span class="sc">;</span>
+ 278   <span class="s">}</span>
+ 279   <span class="k">return</span> <span class="i">$NamesAndValuesString</span><span class="sc">;</span>
+ 280 <span class="s">}</span>
+ 281 
+<a name="EOF-"></a></pre>
+<p>&nbsp;</p>
+<br />
+<center>
+<img src="../../../images/h2o2.png">
+</center>
+</body>
+</html>