M000263.html in facets-0.7.2

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-  <title>fuzzy_match (String)</title>
+  <title>first_char (String)</title>
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-  <pre><span class="ruby-comment cmt"># File lib/facet/string/fuzzy_match.rb, line 28</span>
-  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">fuzzy_match</span>( <span class="ruby-identifier">str_in</span> )
-
-    <span class="ruby-keyword kw">return</span> <span class="ruby-value">0</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">str_in</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>
-    <span class="ruby-keyword kw">return</span> <span class="ruby-value">1</span> <span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">self</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">str_in</span>
-
-    <span class="ruby-comment cmt"># Make a graph of each word (okay, so its not a true graph, but is similar)</span>
-    <span class="ruby-identifier">graph_A</span> = <span class="ruby-constant">Array</span>.<span class="ruby-identifier">new</span>
-    <span class="ruby-identifier">graph_B</span> = <span class="ruby-constant">Array</span>.<span class="ruby-identifier">new</span>
-
-    <span class="ruby-comment cmt"># &quot;graph&quot; self</span>
-    <span class="ruby-identifier">last</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">length</span>
-    (<span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">last</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">ff</span><span class="ruby-operator">|</span>
-      <span class="ruby-identifier">loc</span>  = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">length</span>
-      <span class="ruby-keyword kw">break</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">ff</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">last</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>
-      <span class="ruby-identifier">wordB</span> = (<span class="ruby-value">1</span><span class="ruby-operator">..</span>(<span class="ruby-identifier">last</span><span class="ruby-operator">-</span><span class="ruby-value">1</span>)).<span class="ruby-identifier">to_a</span>.<span class="ruby-identifier">reverse!</span>
-      <span class="ruby-keyword kw">if</span> (<span class="ruby-identifier">wordB</span> <span class="ruby-operator">!=</span> <span class="ruby-keyword kw">nil</span>)
-        <span class="ruby-identifier">wordB</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">ss</span><span class="ruby-operator">|</span>
-          <span class="ruby-keyword kw">break</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">ss</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">ff</span>
-          <span class="ruby-identifier">graph_A</span>.<span class="ruby-identifier">push</span>( <span class="ruby-node">&quot;#{self[ff..ss]}&quot;</span> )
-        <span class="ruby-keyword kw">end</span>
-      <span class="ruby-keyword kw">end</span>
-    <span class="ruby-keyword kw">end</span>
-
-    <span class="ruby-comment cmt"># &quot;graph&quot; input string</span>
-    <span class="ruby-identifier">last</span> = <span class="ruby-identifier">str_in</span>.<span class="ruby-identifier">length</span>
-    (<span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">last</span>).<span class="ruby-identifier">each</span>{ <span class="ruby-operator">|</span><span class="ruby-identifier">ff</span><span class="ruby-operator">|</span>
-      <span class="ruby-identifier">loc</span>  = <span class="ruby-identifier">str_in</span>.<span class="ruby-identifier">length</span>
-      <span class="ruby-keyword kw">break</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">ff</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">last</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>
-      <span class="ruby-identifier">wordB</span> = (<span class="ruby-value">1</span><span class="ruby-operator">..</span>(<span class="ruby-identifier">last</span><span class="ruby-operator">-</span><span class="ruby-value">1</span>)).<span class="ruby-identifier">to_a</span>.<span class="ruby-identifier">reverse!</span>
-      <span class="ruby-identifier">wordB</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">ss</span><span class="ruby-operator">|</span>
-        <span class="ruby-keyword kw">break</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">ss</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">ff</span>
-        <span class="ruby-identifier">graph_B</span>.<span class="ruby-identifier">push</span>( <span class="ruby-node">&quot;#{str_in[ff..ss]}&quot;</span> )
-      <span class="ruby-keyword kw">end</span>
-    }
-
-    <span class="ruby-comment cmt"># count how many of these &quot;graph edges&quot; we have that are the same</span>
-    <span class="ruby-identifier">matches</span> = <span class="ruby-constant">Array</span>.<span class="ruby-identifier">new</span>
-    <span class="ruby-identifier">graph_A</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">aa</span><span class="ruby-operator">|</span>
-      <span class="ruby-identifier">matches</span>.<span class="ruby-identifier">push</span>( <span class="ruby-identifier">aa</span> ) <span class="ruby-keyword kw">if</span>( <span class="ruby-identifier">graph_B</span>.<span class="ruby-identifier">include?</span>( <span class="ruby-identifier">aa</span> ) )
-    <span class="ruby-keyword kw">end</span>
-    <span class="ruby-identifier">matches</span>.<span class="ruby-identifier">sort!</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">x</span>,<span class="ruby-identifier">y</span><span class="ruby-operator">|</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">&lt;=&gt;</span> <span class="ruby-identifier">y</span>.<span class="ruby-identifier">length</span>}  <span class="ruby-comment cmt"># For eliminating subsets, we want to start with the smallest hits</span>
-
-    <span class="ruby-comment cmt"># eliminate any subsets</span>
-    <span class="ruby-identifier">mclone</span> = <span class="ruby-identifier">matches</span>.<span class="ruby-identifier">dup</span>
-    <span class="ruby-identifier">mclone</span>.<span class="ruby-identifier">each_index</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">ii</span><span class="ruby-operator">|</span>
-      <span class="ruby-identifier">reg</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">compile</span>( <span class="ruby-identifier">mclone</span>[<span class="ruby-identifier">ii</span>] )
-      <span class="ruby-identifier">count</span> = <span class="ruby-value">0</span><span class="ruby-value">.0</span>
-      <span class="ruby-identifier">matches</span>.<span class="ruby-identifier">each</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">xx</span><span class="ruby-operator">|</span> <span class="ruby-identifier">count</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">xx</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">reg</span>}
-      <span class="ruby-identifier">matches</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">mclone</span>[<span class="ruby-identifier">ii</span>]) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">count</span> <span class="ruby-operator">&gt;</span> <span class="ruby-value">1</span>
-    <span class="ruby-keyword kw">end</span>
-
-    <span class="ruby-identifier">score</span> = <span class="ruby-value">0</span><span class="ruby-value">.0</span>
-    <span class="ruby-identifier">matches</span>.<span class="ruby-identifier">each</span>{ <span class="ruby-operator">|</span><span class="ruby-identifier">mm</span><span class="ruby-operator">|</span> <span class="ruby-identifier">score</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">mm</span>.<span class="ruby-identifier">length</span> }
-    <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">&gt;</span> <span class="ruby-identifier">str_in</span>.<span class="ruby-identifier">length</span> <span class="ruby-value">? </span><span class="ruby-identifier">largest</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">largest</span> = <span class="ruby-identifier">str_in</span>.<span class="ruby-identifier">length</span>
-    <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">score</span><span class="ruby-operator">/</span><span class="ruby-identifier">largest</span>
-
+  <pre><span class="ruby-comment cmt"># File lib/facet/string/first_char.rb, line 8</span>
+  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">first_char</span>(<span class="ruby-identifier">n</span>=<span class="ruby-value">1</span>)
+    <span class="ruby-identifier">slice</span>(<span class="ruby-value">0</span>, <span class="ruby-identifier">n</span>.<span class="ruby-identifier">to_i</span>)
   <span class="ruby-keyword kw">end</span></pre>
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