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From brit...@apache.org
Subject svn commit: r949214 [29/35] - in /websites/production/commons/content/sandbox/commons-text: ./ apidocs/ apidocs/org/apache/commons/text/diff/ apidocs/org/apache/commons/text/diff/class-use/ apidocs/org/apache/commons/text/names/ apidocs/org/apache/comm...
Date Sun, 26 Apr 2015 10:18:28 GMT
Modified: websites/production/commons/content/sandbox/commons-text/xref/org/apache/commons/text/diff/ReplacementsHandler.html
==============================================================================
--- websites/production/commons/content/sandbox/commons-text/xref/org/apache/commons/text/diff/ReplacementsHandler.html (original)
+++ websites/production/commons/content/sandbox/commons-text/xref/org/apache/commons/text/diff/ReplacementsHandler.html Sun Apr 26 10:18:25 2015
@@ -31,35 +31,34 @@
 <a class="jxr_linenumber" name="L23" href="#L23">23</a>  <em class="jxr_javadoccomment"> *</em>
 <a class="jxr_linenumber" name="L24" href="#L24">24</a>  <em class="jxr_javadoccomment"> * @param &lt;T&gt; object type</em>
 <a class="jxr_linenumber" name="L25" href="#L25">25</a>  <em class="jxr_javadoccomment"> * @see ReplacementsFinder</em>
-<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <em class="jxr_javadoccomment"> * @since 1.0</em>
-<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> ReplacementsHandler&lt;T&gt; {
-<a class="jxr_linenumber" name="L29" href="#L29">29</a>  
-<a class="jxr_linenumber" name="L30" href="#L30">30</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <em class="jxr_javadoccomment">     * Handle two synchronized sequences.</em>
-<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment">     * This method is called by a {@link ReplacementsFinder ReplacementsFinder}</em>
-<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <em class="jxr_javadoccomment">     * instance when it has synchronized two sub-sequences of object arrays</em>
-<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <em class="jxr_javadoccomment">     * being compared, and at least one of the sequences is non-empty. Since the</em>
-<a class="jxr_linenumber" name="L36" href="#L36">36</a>  <em class="jxr_javadoccomment">     * sequences are synchronized, the objects before the two sub-sequences are</em>
-<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <em class="jxr_javadoccomment">     * equals (if they exist). This property also holds for the objects after</em>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment">     * the two sub-sequences.</em>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L40" href="#L40">40</a>  <em class="jxr_javadoccomment">     * The replacement is defined as replacing the &lt;code&gt;from&lt;/code&gt;</em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment">     * sub-sequence into the &lt;code&gt;to&lt;/code&gt; sub-sequence.</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_javadoccomment">     * @param skipped  number of tokens skipped since the last call (i.e. number of</em>
-<a class="jxr_linenumber" name="L44" href="#L44">44</a>  <em class="jxr_javadoccomment">     *   tokens that were in both sequences), this number should be strictly positive</em>
-<a class="jxr_linenumber" name="L45" href="#L45">45</a>  <em class="jxr_javadoccomment">     *   except on the very first call where it can be zero (if the first object of</em>
-<a class="jxr_linenumber" name="L46" href="#L46">46</a>  <em class="jxr_javadoccomment">     *   the two sequences are different)</em>
-<a class="jxr_linenumber" name="L47" href="#L47">47</a>  <em class="jxr_javadoccomment">     * @param from  sub-sequence of objects coming from the first sequence</em>
-<a class="jxr_linenumber" name="L48" href="#L48">48</a>  <em class="jxr_javadoccomment">     * @param to  sub-sequence of objects coming from the second sequence</em>
-<a class="jxr_linenumber" name="L49" href="#L49">49</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L50" href="#L50">50</a>      <strong class="jxr_keyword">void</strong> handleReplacement(<strong class="jxr_keyword">int</strong> skipped, List&lt;T&gt; from, List&lt;T&gt; to);
-<a class="jxr_linenumber" name="L51" href="#L51">51</a>  
-<a class="jxr_linenumber" name="L52" href="#L52">52</a>  }
+<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> ReplacementsHandler&lt;T&gt; {
+<a class="jxr_linenumber" name="L28" href="#L28">28</a>  
+<a class="jxr_linenumber" name="L29" href="#L29">29</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <em class="jxr_javadoccomment">     * Handle two synchronized sequences.</em>
+<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <em class="jxr_javadoccomment">     * This method is called by a {@link ReplacementsFinder ReplacementsFinder}</em>
+<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment">     * instance when it has synchronized two sub-sequences of object arrays</em>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <em class="jxr_javadoccomment">     * being compared, and at least one of the sequences is non-empty. Since the</em>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <em class="jxr_javadoccomment">     * sequences are synchronized, the objects before the two sub-sequences are</em>
+<a class="jxr_linenumber" name="L36" href="#L36">36</a>  <em class="jxr_javadoccomment">     * equals (if they exist). This property also holds for the objects after</em>
+<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <em class="jxr_javadoccomment">     * the two sub-sequences.</em>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_javadoccomment">     * The replacement is defined as replacing the &lt;code&gt;from&lt;/code&gt;</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a>  <em class="jxr_javadoccomment">     * sub-sequence into the &lt;code&gt;to&lt;/code&gt; sub-sequence.</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment">     * @param skipped  number of tokens skipped since the last call (i.e. number of</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_javadoccomment">     *   tokens that were in both sequences), this number should be strictly positive</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a>  <em class="jxr_javadoccomment">     *   except on the very first call where it can be zero (if the first object of</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a>  <em class="jxr_javadoccomment">     *   the two sequences are different)</em>
+<a class="jxr_linenumber" name="L46" href="#L46">46</a>  <em class="jxr_javadoccomment">     * @param from  sub-sequence of objects coming from the first sequence</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a>  <em class="jxr_javadoccomment">     * @param to  sub-sequence of objects coming from the second sequence</em>
+<a class="jxr_linenumber" name="L48" href="#L48">48</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a>      <strong class="jxr_keyword">void</strong> handleReplacement(<strong class="jxr_keyword">int</strong> skipped, List&lt;T&gt; from, List&lt;T&gt; to);
+<a class="jxr_linenumber" name="L50" href="#L50">50</a>  
+<a class="jxr_linenumber" name="L51" href="#L51">51</a>  }
 </pre>
 <hr/>
 <div id="footer">Copyright &#169; 2014&#x2013;2015 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</div>
 </body>
-</html>
+</html>
\ No newline at end of file

Modified: websites/production/commons/content/sandbox/commons-text/xref/org/apache/commons/text/diff/StringsComparator.html
==============================================================================
--- websites/production/commons/content/sandbox/commons-text/xref/org/apache/commons/text/diff/StringsComparator.html (original)
+++ websites/production/commons/content/sandbox/commons-text/xref/org/apache/commons/text/diff/StringsComparator.html Sun Apr 26 10:18:25 2015
@@ -56,290 +56,288 @@
 <a class="jxr_linenumber" name="L48" href="#L48">48</a>  <em class="jxr_javadoccomment"> * @see EditScript</em>
 <a class="jxr_linenumber" name="L49" href="#L49">49</a>  <em class="jxr_javadoccomment"> * @see EditCommand</em>
 <a class="jxr_linenumber" name="L50" href="#L50">50</a>  <em class="jxr_javadoccomment"> * @see CommandVisitor</em>
-<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L52" href="#L52">52</a>  <em class="jxr_javadoccomment"> * @since 1.0</em>
-<a class="jxr_linenumber" name="L53" href="#L53">53</a>  <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L54" href="#L54">54</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">StringsComparator</a> {
-<a class="jxr_linenumber" name="L55" href="#L55">55</a>  
-<a class="jxr_linenumber" name="L56" href="#L56">56</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L57" href="#L57">57</a>  <em class="jxr_javadoccomment">     * First character sequence.</em>
-<a class="jxr_linenumber" name="L58" href="#L58">58</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L59" href="#L59">59</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String left;
-<a class="jxr_linenumber" name="L60" href="#L60">60</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L61" href="#L61">61</a>  <em class="jxr_javadoccomment">     * Second character sequence.</em>
-<a class="jxr_linenumber" name="L62" href="#L62">62</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L63" href="#L63">63</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String right;
-<a class="jxr_linenumber" name="L64" href="#L64">64</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L65" href="#L65">65</a>  <em class="jxr_javadoccomment">     * Temporary array.</em>
-<a class="jxr_linenumber" name="L66" href="#L66">66</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L67" href="#L67">67</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] vDown;
-<a class="jxr_linenumber" name="L68" href="#L68">68</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L69" href="#L69">69</a>  <em class="jxr_javadoccomment">     * Temporary array.</em>
-<a class="jxr_linenumber" name="L70" href="#L70">70</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L71" href="#L71">71</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] vUp;
-<a class="jxr_linenumber" name="L72" href="#L72">72</a>  
-<a class="jxr_linenumber" name="L73" href="#L73">73</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L74" href="#L74">74</a>  <em class="jxr_javadoccomment">     * Simple constructor.</em>
-<a class="jxr_linenumber" name="L75" href="#L75">75</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L76" href="#L76">76</a>  <em class="jxr_javadoccomment">     * Creates a new instance of StringsComparator.</em>
-<a class="jxr_linenumber" name="L77" href="#L77">77</a>  <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L78" href="#L78">78</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L79" href="#L79">79</a>  <em class="jxr_javadoccomment">     * It is &lt;em&gt;guaranteed&lt;/em&gt; that the comparisons will always be done as</em>
-<a class="jxr_linenumber" name="L80" href="#L80">80</a>  <em class="jxr_javadoccomment">     * &lt;code&gt;o1.equals(o2)&lt;/code&gt; where &lt;code&gt;o1&lt;/code&gt; belongs to the first</em>
-<a class="jxr_linenumber" name="L81" href="#L81">81</a>  <em class="jxr_javadoccomment">     * sequence and &lt;code&gt;o2&lt;/code&gt; belongs to the second sequence. This can be</em>
-<a class="jxr_linenumber" name="L82" href="#L82">82</a>  <em class="jxr_javadoccomment">     * important if subclassing is used for some elements in the first sequence</em>
-<a class="jxr_linenumber" name="L83" href="#L83">83</a>  <em class="jxr_javadoccomment">     * and the &lt;code&gt;equals&lt;/code&gt; method is specialized.</em>
-<a class="jxr_linenumber" name="L84" href="#L84">84</a>  <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L85" href="#L85">85</a>  <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L86" href="#L86">86</a>  <em class="jxr_javadoccomment">     * @param left first character sequence to be compared</em>
-<a class="jxr_linenumber" name="L87" href="#L87">87</a>  <em class="jxr_javadoccomment">     * @param right second character sequence to be compared</em>
-<a class="jxr_linenumber" name="L88" href="#L88">88</a>  <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L89" href="#L89">89</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">StringsComparator</a>(String left, String right) {
-<a class="jxr_linenumber" name="L90" href="#L90">90</a>          <strong class="jxr_keyword">this</strong>.left = left;
-<a class="jxr_linenumber" name="L91" href="#L91">91</a>          <strong class="jxr_keyword">this</strong>.right = right;
-<a class="jxr_linenumber" name="L92" href="#L92">92</a>  
-<a class="jxr_linenumber" name="L93" href="#L93">93</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = left.length() + right.length() + 2;
-<a class="jxr_linenumber" name="L94" href="#L94">94</a>          vDown = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[size];
-<a class="jxr_linenumber" name="L95" href="#L95">95</a>          vUp   = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[size];
-<a class="jxr_linenumber" name="L96" href="#L96">96</a>      }
-<a class="jxr_linenumber" name="L97" href="#L97">97</a>  
-<a class="jxr_linenumber" name="L98" href="#L98">98</a>      <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L99" href="#L99">99</a>  <em class="jxr_javadoccomment">     * Get the {@link EditScript} object.</em>
-<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment">     * It is guaranteed that the objects embedded in the {@link InsertCommand</em>
-<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment">     * insert commands} come from the second sequence and that the objects</em>
-<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment">     * embedded in either the {@link DeleteCommand delete commands} or</em>
-<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment">     * {@link KeepCommand keep commands} come from the first sequence. This can</em>
-<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment">     * be important if subclassing is used for some elements in the first</em>
-<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment">     * sequence and the &lt;code&gt;equals&lt;/code&gt; method is specialized.</em>
-<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment">     * @return the edit script resulting from the comparison of the two</em>
-<a class="jxr_linenumber" name="L110" href="#L110">110</a> <em class="jxr_javadoccomment">     *         sequences</em>
-<a class="jxr_linenumber" name="L111" href="#L111">111</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L112" href="#L112">112</a>     <strong class="jxr_keyword">public</strong> EditScript&lt;Character&gt; getScript() {
-<a class="jxr_linenumber" name="L113" href="#L113">113</a>         <strong class="jxr_keyword">final</strong> EditScript&lt;Character&gt; script = <strong class="jxr_keyword">new</strong> EditScript&lt;Character&gt;();
-<a class="jxr_linenumber" name="L114" href="#L114">114</a>         buildScript(0, left.length(), 0, right.length(), script);
-<a class="jxr_linenumber" name="L115" href="#L115">115</a>         <strong class="jxr_keyword">return</strong> script;
-<a class="jxr_linenumber" name="L116" href="#L116">116</a>     }
-<a class="jxr_linenumber" name="L117" href="#L117">117</a> 
-<a class="jxr_linenumber" name="L118" href="#L118">118</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment">     * Build an edit script.</em>
-<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment">     * @param start1  the begin of the first sequence to be compared</em>
-<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment">     * @param end1  the end of the first sequence to be compared</em>
-<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment">     * @param start2  the begin of the second sequence to be compared</em>
-<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment">     * @param end2  the end of the second sequence to be compared</em>
-<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment">     * @param script the edited script</em>
-<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L127" href="#L127">127</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> buildScript(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start1, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end1, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start2, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end2,
-<a class="jxr_linenumber" name="L128" href="#L128">128</a>             <strong class="jxr_keyword">final</strong> EditScript&lt;Character&gt; script) {
-<a class="jxr_linenumber" name="L129" href="#L129">129</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> middle = getMiddleSnake(start1, end1, start2, end2);
-<a class="jxr_linenumber" name="L130" href="#L130">130</a> 
-<a class="jxr_linenumber" name="L131" href="#L131">131</a>         <strong class="jxr_keyword">if</strong> (middle == <strong class="jxr_keyword">null</strong>
-<a class="jxr_linenumber" name="L132" href="#L132">132</a>                 || middle.getStart() == end1 &amp;&amp; middle.getDiag() == end1 - end2
-<a class="jxr_linenumber" name="L133" href="#L133">133</a>                 || middle.getEnd() == start1 &amp;&amp; middle.getDiag() == start1 - start2) {
-<a class="jxr_linenumber" name="L134" href="#L134">134</a> 
-<a class="jxr_linenumber" name="L135" href="#L135">135</a>             <strong class="jxr_keyword">int</strong> i = start1;
-<a class="jxr_linenumber" name="L136" href="#L136">136</a>             <strong class="jxr_keyword">int</strong> j = start2;
-<a class="jxr_linenumber" name="L137" href="#L137">137</a>             <strong class="jxr_keyword">while</strong> (i &lt; end1 || j &lt; end2) {
-<a class="jxr_linenumber" name="L138" href="#L138">138</a>                 <strong class="jxr_keyword">if</strong> (i &lt; end1 &amp;&amp; j &lt; end2 &amp;&amp; left.charAt(i) == right.charAt(j)) {
-<a class="jxr_linenumber" name="L139" href="#L139">139</a>                     script.append(<strong class="jxr_keyword">new</strong> KeepCommand&lt;Character&gt;(left.charAt(i)));
-<a class="jxr_linenumber" name="L140" href="#L140">140</a>                     ++i;
-<a class="jxr_linenumber" name="L141" href="#L141">141</a>                     ++j;
-<a class="jxr_linenumber" name="L142" href="#L142">142</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L143" href="#L143">143</a>                     <strong class="jxr_keyword">if</strong> (end1 - start1 &gt; end2 - start2) {
-<a class="jxr_linenumber" name="L144" href="#L144">144</a>                         script.append(<strong class="jxr_keyword">new</strong> DeleteCommand&lt;Character&gt;(left.charAt(i)));
-<a class="jxr_linenumber" name="L145" href="#L145">145</a>                         ++i;
-<a class="jxr_linenumber" name="L146" href="#L146">146</a>                     } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L147" href="#L147">147</a>                         script.append(<strong class="jxr_keyword">new</strong> InsertCommand&lt;Character&gt;(right.charAt(j)));
-<a class="jxr_linenumber" name="L148" href="#L148">148</a>                         ++j;
-<a class="jxr_linenumber" name="L149" href="#L149">149</a>                     }
-<a class="jxr_linenumber" name="L150" href="#L150">150</a>                 }
-<a class="jxr_linenumber" name="L151" href="#L151">151</a>             }
+<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">StringsComparator</a> {
+<a class="jxr_linenumber" name="L53" href="#L53">53</a>  
+<a class="jxr_linenumber" name="L54" href="#L54">54</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a>  <em class="jxr_javadoccomment">     * First character sequence.</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String left;
+<a class="jxr_linenumber" name="L58" href="#L58">58</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a>  <em class="jxr_javadoccomment">     * Second character sequence.</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String right;
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a>  <em class="jxr_javadoccomment">     * Temporary array.</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] vDown;
+<a class="jxr_linenumber" name="L66" href="#L66">66</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a>  <em class="jxr_javadoccomment">     * Temporary array.</em>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] vUp;
+<a class="jxr_linenumber" name="L70" href="#L70">70</a>  
+<a class="jxr_linenumber" name="L71" href="#L71">71</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a>  <em class="jxr_javadoccomment">     * Simple constructor.</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a>  <em class="jxr_javadoccomment">     * Creates a new instance of StringsComparator.</em>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a>  <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a>  <em class="jxr_javadoccomment">     * It is &lt;em&gt;guaranteed&lt;/em&gt; that the comparisons will always be done as</em>
+<a class="jxr_linenumber" name="L78" href="#L78">78</a>  <em class="jxr_javadoccomment">     * &lt;code&gt;o1.equals(o2)&lt;/code&gt; where &lt;code&gt;o1&lt;/code&gt; belongs to the first</em>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a>  <em class="jxr_javadoccomment">     * sequence and &lt;code&gt;o2&lt;/code&gt; belongs to the second sequence. This can be</em>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a>  <em class="jxr_javadoccomment">     * important if subclassing is used for some elements in the first sequence</em>
+<a class="jxr_linenumber" name="L81" href="#L81">81</a>  <em class="jxr_javadoccomment">     * and the &lt;code&gt;equals&lt;/code&gt; method is specialized.</em>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a>  <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a>  <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L84" href="#L84">84</a>  <em class="jxr_javadoccomment">     * @param left first character sequence to be compared</em>
+<a class="jxr_linenumber" name="L85" href="#L85">85</a>  <em class="jxr_javadoccomment">     * @param right second character sequence to be compared</em>
+<a class="jxr_linenumber" name="L86" href="#L86">86</a>  <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">StringsComparator</a>(String left, String right) {
+<a class="jxr_linenumber" name="L88" href="#L88">88</a>          <strong class="jxr_keyword">this</strong>.left = left;
+<a class="jxr_linenumber" name="L89" href="#L89">89</a>          <strong class="jxr_keyword">this</strong>.right = right;
+<a class="jxr_linenumber" name="L90" href="#L90">90</a>  
+<a class="jxr_linenumber" name="L91" href="#L91">91</a>          <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = left.length() + right.length() + 2;
+<a class="jxr_linenumber" name="L92" href="#L92">92</a>          vDown = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[size];
+<a class="jxr_linenumber" name="L93" href="#L93">93</a>          vUp   = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[size];
+<a class="jxr_linenumber" name="L94" href="#L94">94</a>      }
+<a class="jxr_linenumber" name="L95" href="#L95">95</a>  
+<a class="jxr_linenumber" name="L96" href="#L96">96</a>      <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L97" href="#L97">97</a>  <em class="jxr_javadoccomment">     * Get the {@link EditScript} object.</em>
+<a class="jxr_linenumber" name="L98" href="#L98">98</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L99" href="#L99">99</a>  <em class="jxr_javadoccomment">     * It is guaranteed that the objects embedded in the {@link InsertCommand</em>
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">     * insert commands} come from the second sequence and that the objects</em>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_javadoccomment">     * embedded in either the {@link DeleteCommand delete commands} or</em>
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> <em class="jxr_javadoccomment">     * {@link KeepCommand keep commands} come from the first sequence. This can</em>
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em class="jxr_javadoccomment">     * be important if subclassing is used for some elements in the first</em>
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_javadoccomment">     * sequence and the &lt;code&gt;equals&lt;/code&gt; method is specialized.</em>
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> <em class="jxr_javadoccomment">     * @return the edit script resulting from the comparison of the two</em>
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <em class="jxr_javadoccomment">     *         sequences</em>
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L110" href="#L110">110</a>     <strong class="jxr_keyword">public</strong> EditScript&lt;Character&gt; getScript() {
+<a class="jxr_linenumber" name="L111" href="#L111">111</a>         <strong class="jxr_keyword">final</strong> EditScript&lt;Character&gt; script = <strong class="jxr_keyword">new</strong> EditScript&lt;Character&gt;();
+<a class="jxr_linenumber" name="L112" href="#L112">112</a>         buildScript(0, left.length(), 0, right.length(), script);
+<a class="jxr_linenumber" name="L113" href="#L113">113</a>         <strong class="jxr_keyword">return</strong> script;
+<a class="jxr_linenumber" name="L114" href="#L114">114</a>     }
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> 
+<a class="jxr_linenumber" name="L116" href="#L116">116</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">     * Build an edit script.</em>
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment">     * @param start1  the begin of the first sequence to be compared</em>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment">     * @param end1  the end of the first sequence to be compared</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment">     * @param start2  the begin of the second sequence to be compared</em>
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment">     * @param end2  the end of the second sequence to be compared</em>
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment">     * @param script the edited script</em>
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L125" href="#L125">125</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> buildScript(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start1, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end1, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start2, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end2,
+<a class="jxr_linenumber" name="L126" href="#L126">126</a>             <strong class="jxr_keyword">final</strong> EditScript&lt;Character&gt; script) {
+<a class="jxr_linenumber" name="L127" href="#L127">127</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> middle = getMiddleSnake(start1, end1, start2, end2);
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> 
+<a class="jxr_linenumber" name="L129" href="#L129">129</a>         <strong class="jxr_keyword">if</strong> (middle == <strong class="jxr_keyword">null</strong>
+<a class="jxr_linenumber" name="L130" href="#L130">130</a>                 || middle.getStart() == end1 &amp;&amp; middle.getDiag() == end1 - end2
+<a class="jxr_linenumber" name="L131" href="#L131">131</a>                 || middle.getEnd() == start1 &amp;&amp; middle.getDiag() == start1 - start2) {
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> 
+<a class="jxr_linenumber" name="L133" href="#L133">133</a>             <strong class="jxr_keyword">int</strong> i = start1;
+<a class="jxr_linenumber" name="L134" href="#L134">134</a>             <strong class="jxr_keyword">int</strong> j = start2;
+<a class="jxr_linenumber" name="L135" href="#L135">135</a>             <strong class="jxr_keyword">while</strong> (i &lt; end1 || j &lt; end2) {
+<a class="jxr_linenumber" name="L136" href="#L136">136</a>                 <strong class="jxr_keyword">if</strong> (i &lt; end1 &amp;&amp; j &lt; end2 &amp;&amp; left.charAt(i) == right.charAt(j)) {
+<a class="jxr_linenumber" name="L137" href="#L137">137</a>                     script.append(<strong class="jxr_keyword">new</strong> KeepCommand&lt;Character&gt;(left.charAt(i)));
+<a class="jxr_linenumber" name="L138" href="#L138">138</a>                     ++i;
+<a class="jxr_linenumber" name="L139" href="#L139">139</a>                     ++j;
+<a class="jxr_linenumber" name="L140" href="#L140">140</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L141" href="#L141">141</a>                     <strong class="jxr_keyword">if</strong> (end1 - start1 &gt; end2 - start2) {
+<a class="jxr_linenumber" name="L142" href="#L142">142</a>                         script.append(<strong class="jxr_keyword">new</strong> DeleteCommand&lt;Character&gt;(left.charAt(i)));
+<a class="jxr_linenumber" name="L143" href="#L143">143</a>                         ++i;
+<a class="jxr_linenumber" name="L144" href="#L144">144</a>                     } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L145" href="#L145">145</a>                         script.append(<strong class="jxr_keyword">new</strong> InsertCommand&lt;Character&gt;(right.charAt(j)));
+<a class="jxr_linenumber" name="L146" href="#L146">146</a>                         ++j;
+<a class="jxr_linenumber" name="L147" href="#L147">147</a>                     }
+<a class="jxr_linenumber" name="L148" href="#L148">148</a>                 }
+<a class="jxr_linenumber" name="L149" href="#L149">149</a>             }
+<a class="jxr_linenumber" name="L150" href="#L150">150</a> 
+<a class="jxr_linenumber" name="L151" href="#L151">151</a>         } <strong class="jxr_keyword">else</strong> {
 <a class="jxr_linenumber" name="L152" href="#L152">152</a> 
-<a class="jxr_linenumber" name="L153" href="#L153">153</a>         } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L154" href="#L154">154</a> 
-<a class="jxr_linenumber" name="L155" href="#L155">155</a>             buildScript(start1, middle.getStart(),
-<a class="jxr_linenumber" name="L156" href="#L156">156</a>                         start2, middle.getStart() - middle.getDiag(),
-<a class="jxr_linenumber" name="L157" href="#L157">157</a>                         script);
-<a class="jxr_linenumber" name="L158" href="#L158">158</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = middle.getStart(); i &lt; middle.getEnd(); ++i) {
-<a class="jxr_linenumber" name="L159" href="#L159">159</a>                 script.append(<strong class="jxr_keyword">new</strong> KeepCommand&lt;Character&gt;(left.charAt(i)));
-<a class="jxr_linenumber" name="L160" href="#L160">160</a>             }
-<a class="jxr_linenumber" name="L161" href="#L161">161</a>             buildScript(middle.getEnd(), end1,
-<a class="jxr_linenumber" name="L162" href="#L162">162</a>                         middle.getEnd() - middle.getDiag(), end2,
-<a class="jxr_linenumber" name="L163" href="#L163">163</a>                         script);
-<a class="jxr_linenumber" name="L164" href="#L164">164</a>         }
-<a class="jxr_linenumber" name="L165" href="#L165">165</a>     }
-<a class="jxr_linenumber" name="L166" href="#L166">166</a> 
-<a class="jxr_linenumber" name="L167" href="#L167">167</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment">     * Get the middle snake corresponding to two subsequences of the</em>
-<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment">     * main sequences.</em>
-<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment">     * The snake is found using the MYERS Algorithm (this algorithms has</em>
-<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_javadoccomment">     * also been implemented in the GNU diff program). This algorithm is</em>
-<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_javadoccomment">     * explained in Eugene Myers article:</em>
-<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_javadoccomment">     * &lt;a href="<a href="http://www.cs.arizona.edu/people/gene/PAPERS/diff.ps" target="alexandria_uri">http://www.cs.arizona.edu/people/gene/PAPERS/diff.ps</a>"&gt;</em>
-<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_javadoccomment">     * An O(ND) Difference Algorithm and Its Variations&lt;/a&gt;.</em>
-<a class="jxr_linenumber" name="L176" href="#L176">176</a> <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_javadoccomment">     * @param start1  the begin of the first sequence to be compared</em>
-<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_javadoccomment">     * @param end1  the end of the first sequence to be compared</em>
-<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment">     * @param start2  the begin of the second sequence to be compared</em>
-<a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_javadoccomment">     * @param end2  the end of the second sequence to be compared</em>
-<a class="jxr_linenumber" name="L182" href="#L182">182</a> <em class="jxr_javadoccomment">     * @return the middle snake</em>
-<a class="jxr_linenumber" name="L183" href="#L183">183</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L184" href="#L184">184</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> getMiddleSnake(<strong class="jxr_keyword">int</strong> start1, <strong class="jxr_keyword">int</strong> end1, <strong class="jxr_keyword">int</strong> start2, <strong class="jxr_keyword">int</strong> end2) {
-<a class="jxr_linenumber" name="L185" href="#L185">185</a>         <em class="jxr_comment">// Myers Algorithm</em>
-<a class="jxr_linenumber" name="L186" href="#L186">186</a>         <em class="jxr_comment">// Initialisations</em>
-<a class="jxr_linenumber" name="L187" href="#L187">187</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> m = end1 - start1;
-<a class="jxr_linenumber" name="L188" href="#L188">188</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> n = end2 - start2;
-<a class="jxr_linenumber" name="L189" href="#L189">189</a>         <strong class="jxr_keyword">if</strong> (m == 0 || n == 0) {
-<a class="jxr_linenumber" name="L190" href="#L190">190</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L191" href="#L191">191</a>         }
-<a class="jxr_linenumber" name="L192" href="#L192">192</a> 
-<a class="jxr_linenumber" name="L193" href="#L193">193</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> delta  = m - n;
-<a class="jxr_linenumber" name="L194" href="#L194">194</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> sum    = n + m;
-<a class="jxr_linenumber" name="L195" href="#L195">195</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = (sum % 2 == 0 ? sum : sum + 1) / 2;
-<a class="jxr_linenumber" name="L196" href="#L196">196</a>         vDown[1 + offset] = start1;
-<a class="jxr_linenumber" name="L197" href="#L197">197</a>         vUp[1 + offset]   = end1 + 1;
-<a class="jxr_linenumber" name="L198" href="#L198">198</a> 
-<a class="jxr_linenumber" name="L199" href="#L199">199</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> d = 0; d &lt;= offset; ++d) {
-<a class="jxr_linenumber" name="L200" href="#L200">200</a>             <em class="jxr_comment">// Down</em>
-<a class="jxr_linenumber" name="L201" href="#L201">201</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = -d; k &lt;= d; k += 2) {
-<a class="jxr_linenumber" name="L202" href="#L202">202</a>                 <em class="jxr_comment">// First step</em>
-<a class="jxr_linenumber" name="L203" href="#L203">203</a> 
-<a class="jxr_linenumber" name="L204" href="#L204">204</a>                 <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> i = k + offset;
-<a class="jxr_linenumber" name="L205" href="#L205">205</a>                 <strong class="jxr_keyword">if</strong> (k == -d || k != d &amp;&amp; vDown[i - 1] &lt; vDown[i + 1]) {
-<a class="jxr_linenumber" name="L206" href="#L206">206</a>                     vDown[i] = vDown[i + 1];
-<a class="jxr_linenumber" name="L207" href="#L207">207</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L208" href="#L208">208</a>                     vDown[i] = vDown[i - 1] + 1;
-<a class="jxr_linenumber" name="L209" href="#L209">209</a>                 }
-<a class="jxr_linenumber" name="L210" href="#L210">210</a> 
-<a class="jxr_linenumber" name="L211" href="#L211">211</a>                 <strong class="jxr_keyword">int</strong> x = vDown[i];
-<a class="jxr_linenumber" name="L212" href="#L212">212</a>                 <strong class="jxr_keyword">int</strong> y = x - start1 + start2 - k;
-<a class="jxr_linenumber" name="L213" href="#L213">213</a> 
-<a class="jxr_linenumber" name="L214" href="#L214">214</a>                 <strong class="jxr_keyword">while</strong> (x &lt; end1 &amp;&amp; y &lt; end2 &amp;&amp; left.charAt(x) == right.charAt(y)) {
-<a class="jxr_linenumber" name="L215" href="#L215">215</a>                     vDown[i] = ++x;
-<a class="jxr_linenumber" name="L216" href="#L216">216</a>                     ++y;
-<a class="jxr_linenumber" name="L217" href="#L217">217</a>                 }
-<a class="jxr_linenumber" name="L218" href="#L218">218</a>                 <em class="jxr_comment">// Second step</em>
-<a class="jxr_linenumber" name="L219" href="#L219">219</a>                 <strong class="jxr_keyword">if</strong> (delta % 2 != 0 &amp;&amp; delta - d &lt;= k &amp;&amp; k &lt;= delta + d) {
-<a class="jxr_linenumber" name="L220" href="#L220">220</a>                     <strong class="jxr_keyword">if</strong> (vUp[i - delta] &lt;= vDown[i]) {
-<a class="jxr_linenumber" name="L221" href="#L221">221</a>                         <strong class="jxr_keyword">return</strong> buildSnake(vUp[i - delta], k + start1 - start2, end1, end2);
-<a class="jxr_linenumber" name="L222" href="#L222">222</a>                     }
-<a class="jxr_linenumber" name="L223" href="#L223">223</a>                 }
-<a class="jxr_linenumber" name="L224" href="#L224">224</a>             }
-<a class="jxr_linenumber" name="L225" href="#L225">225</a> 
-<a class="jxr_linenumber" name="L226" href="#L226">226</a>             <em class="jxr_comment">// Up</em>
-<a class="jxr_linenumber" name="L227" href="#L227">227</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = delta - d; k &lt;= delta + d; k += 2) {
-<a class="jxr_linenumber" name="L228" href="#L228">228</a>                 <em class="jxr_comment">// First step</em>
-<a class="jxr_linenumber" name="L229" href="#L229">229</a>                 <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> i = k + offset - delta;
-<a class="jxr_linenumber" name="L230" href="#L230">230</a>                 <strong class="jxr_keyword">if</strong> (k == delta - d
-<a class="jxr_linenumber" name="L231" href="#L231">231</a>                         || k != delta + d &amp;&amp; vUp[i + 1] &lt;= vUp[i - 1]) {
-<a class="jxr_linenumber" name="L232" href="#L232">232</a>                     vUp[i] = vUp[i + 1] - 1;
-<a class="jxr_linenumber" name="L233" href="#L233">233</a>                 } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L234" href="#L234">234</a>                     vUp[i] = vUp[i - 1];
-<a class="jxr_linenumber" name="L235" href="#L235">235</a>                 }
-<a class="jxr_linenumber" name="L236" href="#L236">236</a> 
-<a class="jxr_linenumber" name="L237" href="#L237">237</a>                 <strong class="jxr_keyword">int</strong> x = vUp[i] - 1;
-<a class="jxr_linenumber" name="L238" href="#L238">238</a>                 <strong class="jxr_keyword">int</strong> y = x - start1 + start2 - k;
-<a class="jxr_linenumber" name="L239" href="#L239">239</a>                 <strong class="jxr_keyword">while</strong> (x &gt;= start1 &amp;&amp; y &gt;= start2
-<a class="jxr_linenumber" name="L240" href="#L240">240</a>                         &amp;&amp; left.charAt(x) == right.charAt(y)) {
-<a class="jxr_linenumber" name="L241" href="#L241">241</a>                     vUp[i] = x--;
-<a class="jxr_linenumber" name="L242" href="#L242">242</a>                     y--;
-<a class="jxr_linenumber" name="L243" href="#L243">243</a>                 }
-<a class="jxr_linenumber" name="L244" href="#L244">244</a>                 <em class="jxr_comment">// Second step</em>
-<a class="jxr_linenumber" name="L245" href="#L245">245</a>                 <strong class="jxr_keyword">if</strong> (delta % 2 == 0 &amp;&amp; -d &lt;= k &amp;&amp; k &lt;= d) {
-<a class="jxr_linenumber" name="L246" href="#L246">246</a>                     <strong class="jxr_keyword">if</strong> (vUp[i] &lt;= vDown[i + delta]) {
-<a class="jxr_linenumber" name="L247" href="#L247">247</a>                         <strong class="jxr_keyword">return</strong> buildSnake(vUp[i], k + start1 - start2, end1, end2);
-<a class="jxr_linenumber" name="L248" href="#L248">248</a>                     }
-<a class="jxr_linenumber" name="L249" href="#L249">249</a>                 }
-<a class="jxr_linenumber" name="L250" href="#L250">250</a>             }
-<a class="jxr_linenumber" name="L251" href="#L251">251</a>         }
-<a class="jxr_linenumber" name="L252" href="#L252">252</a> 
-<a class="jxr_linenumber" name="L253" href="#L253">253</a>         <em class="jxr_comment">// this should not happen</em>
-<a class="jxr_linenumber" name="L254" href="#L254">254</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Internal Error"</span>);
-<a class="jxr_linenumber" name="L255" href="#L255">255</a>     }
-<a class="jxr_linenumber" name="L256" href="#L256">256</a> 
-<a class="jxr_linenumber" name="L257" href="#L257">257</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment">     * Build a snake.</em>
-<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L260" href="#L260">260</a> <em class="jxr_javadoccomment">     * @param start  the value of the start of the snake</em>
-<a class="jxr_linenumber" name="L261" href="#L261">261</a> <em class="jxr_javadoccomment">     * @param diag  the value of the diagonal of the snake</em>
-<a class="jxr_linenumber" name="L262" href="#L262">262</a> <em class="jxr_javadoccomment">     * @param end1  the value of the end of the first sequence to be compared</em>
-<a class="jxr_linenumber" name="L263" href="#L263">263</a> <em class="jxr_javadoccomment">     * @param end2  the value of the end of the second sequence to be compared</em>
-<a class="jxr_linenumber" name="L264" href="#L264">264</a> <em class="jxr_javadoccomment">     * @return the snake built</em>
-<a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L266" href="#L266">266</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> buildSnake(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> diag, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end1, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end2) {
-<a class="jxr_linenumber" name="L267" href="#L267">267</a>         <strong class="jxr_keyword">int</strong> end = start;
-<a class="jxr_linenumber" name="L268" href="#L268">268</a>         <strong class="jxr_keyword">while</strong> (end - diag &lt; end2
-<a class="jxr_linenumber" name="L269" href="#L269">269</a>                 &amp;&amp; end &lt; end1
-<a class="jxr_linenumber" name="L270" href="#L270">270</a>                 &amp;&amp; left.charAt(end) == right.charAt(end - diag)) {
-<a class="jxr_linenumber" name="L271" href="#L271">271</a>             ++end;
-<a class="jxr_linenumber" name="L272" href="#L272">272</a>         }
-<a class="jxr_linenumber" name="L273" href="#L273">273</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a>(start, end, diag);
-<a class="jxr_linenumber" name="L274" href="#L274">274</a>     }
-<a class="jxr_linenumber" name="L275" href="#L275">275</a> 
-<a class="jxr_linenumber" name="L276" href="#L276">276</a>     <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment">     * This class is a simple placeholder to hold the end part of a path</em>
-<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment">     * under construction in a {@link StringsComparator StringsComparator}.</em>
-<a class="jxr_linenumber" name="L279" href="#L279">279</a> <em class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L280" href="#L280">280</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> {
-<a class="jxr_linenumber" name="L281" href="#L281">281</a> 
-<a class="jxr_linenumber" name="L282" href="#L282">282</a>         <em class="jxr_javadoccomment">/** Start index. */</em>
-<a class="jxr_linenumber" name="L283" href="#L283">283</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start;
-<a class="jxr_linenumber" name="L284" href="#L284">284</a> 
-<a class="jxr_linenumber" name="L285" href="#L285">285</a>         <em class="jxr_javadoccomment">/** End index. */</em>
-<a class="jxr_linenumber" name="L286" href="#L286">286</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end;
-<a class="jxr_linenumber" name="L287" href="#L287">287</a> 
-<a class="jxr_linenumber" name="L288" href="#L288">288</a>         <em class="jxr_javadoccomment">/** Diagonal number. */</em>
-<a class="jxr_linenumber" name="L289" href="#L289">289</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> diag;
-<a class="jxr_linenumber" name="L290" href="#L290">290</a> 
-<a class="jxr_linenumber" name="L291" href="#L291">291</a>         <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment">         * Simple constructor. Creates a new instance of Snake with specified indices.</em>
-<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment">         *</em>
-<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment">         * @param start  start index of the snake</em>
-<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment">         * @param end  end index of the snake</em>
-<a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_javadoccomment">         * @param diag  diagonal number</em>
-<a class="jxr_linenumber" name="L297" href="#L297">297</a> <em class="jxr_javadoccomment">         */</em>
-<a class="jxr_linenumber" name="L298" href="#L298">298</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a>(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> diag) {
-<a class="jxr_linenumber" name="L299" href="#L299">299</a>             <strong class="jxr_keyword">this</strong>.start = start;
-<a class="jxr_linenumber" name="L300" href="#L300">300</a>             <strong class="jxr_keyword">this</strong>.end   = end;
-<a class="jxr_linenumber" name="L301" href="#L301">301</a>             <strong class="jxr_keyword">this</strong>.diag  = diag;
-<a class="jxr_linenumber" name="L302" href="#L302">302</a>         }
-<a class="jxr_linenumber" name="L303" href="#L303">303</a> 
-<a class="jxr_linenumber" name="L304" href="#L304">304</a>         <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment">         * Get the start index of the snake.</em>
-<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment">         *</em>
-<a class="jxr_linenumber" name="L307" href="#L307">307</a> <em class="jxr_javadoccomment">         * @return start index of the snake</em>
-<a class="jxr_linenumber" name="L308" href="#L308">308</a> <em class="jxr_javadoccomment">         */</em>
-<a class="jxr_linenumber" name="L309" href="#L309">309</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getStart() {
-<a class="jxr_linenumber" name="L310" href="#L310">310</a>             <strong class="jxr_keyword">return</strong> start;
-<a class="jxr_linenumber" name="L311" href="#L311">311</a>         }
-<a class="jxr_linenumber" name="L312" href="#L312">312</a> 
-<a class="jxr_linenumber" name="L313" href="#L313">313</a>         <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L314" href="#L314">314</a> <em class="jxr_javadoccomment">         * Get the end index of the snake.</em>
-<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_javadoccomment">         *</em>
-<a class="jxr_linenumber" name="L316" href="#L316">316</a> <em class="jxr_javadoccomment">         * @return end index of the snake</em>
-<a class="jxr_linenumber" name="L317" href="#L317">317</a> <em class="jxr_javadoccomment">         */</em>
-<a class="jxr_linenumber" name="L318" href="#L318">318</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getEnd() {
-<a class="jxr_linenumber" name="L319" href="#L319">319</a>             <strong class="jxr_keyword">return</strong> end;
-<a class="jxr_linenumber" name="L320" href="#L320">320</a>         }
-<a class="jxr_linenumber" name="L321" href="#L321">321</a> 
-<a class="jxr_linenumber" name="L322" href="#L322">322</a>         <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L323" href="#L323">323</a> <em class="jxr_javadoccomment">         * Get the diagonal number of the snake.</em>
-<a class="jxr_linenumber" name="L324" href="#L324">324</a> <em class="jxr_javadoccomment">         *</em>
-<a class="jxr_linenumber" name="L325" href="#L325">325</a> <em class="jxr_javadoccomment">         * @return diagonal number of the snake</em>
-<a class="jxr_linenumber" name="L326" href="#L326">326</a> <em class="jxr_javadoccomment">         */</em>
-<a class="jxr_linenumber" name="L327" href="#L327">327</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getDiag() {
-<a class="jxr_linenumber" name="L328" href="#L328">328</a>             <strong class="jxr_keyword">return</strong> diag;
-<a class="jxr_linenumber" name="L329" href="#L329">329</a>         }
-<a class="jxr_linenumber" name="L330" href="#L330">330</a>     }
-<a class="jxr_linenumber" name="L331" href="#L331">331</a> 
-<a class="jxr_linenumber" name="L332" href="#L332">332</a> }
+<a class="jxr_linenumber" name="L153" href="#L153">153</a>             buildScript(start1, middle.getStart(),
+<a class="jxr_linenumber" name="L154" href="#L154">154</a>                         start2, middle.getStart() - middle.getDiag(),
+<a class="jxr_linenumber" name="L155" href="#L155">155</a>                         script);
+<a class="jxr_linenumber" name="L156" href="#L156">156</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = middle.getStart(); i &lt; middle.getEnd(); ++i) {
+<a class="jxr_linenumber" name="L157" href="#L157">157</a>                 script.append(<strong class="jxr_keyword">new</strong> KeepCommand&lt;Character&gt;(left.charAt(i)));
+<a class="jxr_linenumber" name="L158" href="#L158">158</a>             }
+<a class="jxr_linenumber" name="L159" href="#L159">159</a>             buildScript(middle.getEnd(), end1,
+<a class="jxr_linenumber" name="L160" href="#L160">160</a>                         middle.getEnd() - middle.getDiag(), end2,
+<a class="jxr_linenumber" name="L161" href="#L161">161</a>                         script);
+<a class="jxr_linenumber" name="L162" href="#L162">162</a>         }
+<a class="jxr_linenumber" name="L163" href="#L163">163</a>     }
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> 
+<a class="jxr_linenumber" name="L165" href="#L165">165</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em class="jxr_javadoccomment">     * Get the middle snake corresponding to two subsequences of the</em>
+<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_javadoccomment">     * main sequences.</em>
+<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_javadoccomment">     * The snake is found using the MYERS Algorithm (this algorithms has</em>
+<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_javadoccomment">     * also been implemented in the GNU diff program). This algorithm is</em>
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_javadoccomment">     * explained in Eugene Myers article:</em>
+<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_javadoccomment">     * &lt;a href="<a href="http://www.cs.arizona.edu/people/gene/PAPERS/diff.ps" target="alexandria_uri">http://www.cs.arizona.edu/people/gene/PAPERS/diff.ps</a>"&gt;</em>
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_javadoccomment">     * An O(ND) Difference Algorithm and Its Variations&lt;/a&gt;.</em>
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L176" href="#L176">176</a> <em class="jxr_javadoccomment">     * @param start1  the begin of the first sequence to be compared</em>
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_javadoccomment">     * @param end1  the end of the first sequence to be compared</em>
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_javadoccomment">     * @param start2  the begin of the second sequence to be compared</em>
+<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_javadoccomment">     * @param end2  the end of the second sequence to be compared</em>
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_javadoccomment">     * @return the middle snake</em>
+<a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L182" href="#L182">182</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> getMiddleSnake(<strong class="jxr_keyword">int</strong> start1, <strong class="jxr_keyword">int</strong> end1, <strong class="jxr_keyword">int</strong> start2, <strong class="jxr_keyword">int</strong> end2) {
+<a class="jxr_linenumber" name="L183" href="#L183">183</a>         <em class="jxr_comment">// Myers Algorithm</em>
+<a class="jxr_linenumber" name="L184" href="#L184">184</a>         <em class="jxr_comment">// Initialisations</em>
+<a class="jxr_linenumber" name="L185" href="#L185">185</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> m = end1 - start1;
+<a class="jxr_linenumber" name="L186" href="#L186">186</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> n = end2 - start2;
+<a class="jxr_linenumber" name="L187" href="#L187">187</a>         <strong class="jxr_keyword">if</strong> (m == 0 || n == 0) {
+<a class="jxr_linenumber" name="L188" href="#L188">188</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L189" href="#L189">189</a>         }
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> 
+<a class="jxr_linenumber" name="L191" href="#L191">191</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> delta  = m - n;
+<a class="jxr_linenumber" name="L192" href="#L192">192</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> sum    = n + m;
+<a class="jxr_linenumber" name="L193" href="#L193">193</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = (sum % 2 == 0 ? sum : sum + 1) / 2;
+<a class="jxr_linenumber" name="L194" href="#L194">194</a>         vDown[1 + offset] = start1;
+<a class="jxr_linenumber" name="L195" href="#L195">195</a>         vUp[1 + offset]   = end1 + 1;
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> 
+<a class="jxr_linenumber" name="L197" href="#L197">197</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> d = 0; d &lt;= offset; ++d) {
+<a class="jxr_linenumber" name="L198" href="#L198">198</a>             <em class="jxr_comment">// Down</em>
+<a class="jxr_linenumber" name="L199" href="#L199">199</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = -d; k &lt;= d; k += 2) {
+<a class="jxr_linenumber" name="L200" href="#L200">200</a>                 <em class="jxr_comment">// First step</em>
+<a class="jxr_linenumber" name="L201" href="#L201">201</a> 
+<a class="jxr_linenumber" name="L202" href="#L202">202</a>                 <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> i = k + offset;
+<a class="jxr_linenumber" name="L203" href="#L203">203</a>                 <strong class="jxr_keyword">if</strong> (k == -d || k != d &amp;&amp; vDown[i - 1] &lt; vDown[i + 1]) {
+<a class="jxr_linenumber" name="L204" href="#L204">204</a>                     vDown[i] = vDown[i + 1];
+<a class="jxr_linenumber" name="L205" href="#L205">205</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L206" href="#L206">206</a>                     vDown[i] = vDown[i - 1] + 1;
+<a class="jxr_linenumber" name="L207" href="#L207">207</a>                 }
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> 
+<a class="jxr_linenumber" name="L209" href="#L209">209</a>                 <strong class="jxr_keyword">int</strong> x = vDown[i];
+<a class="jxr_linenumber" name="L210" href="#L210">210</a>                 <strong class="jxr_keyword">int</strong> y = x - start1 + start2 - k;
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> 
+<a class="jxr_linenumber" name="L212" href="#L212">212</a>                 <strong class="jxr_keyword">while</strong> (x &lt; end1 &amp;&amp; y &lt; end2 &amp;&amp; left.charAt(x) == right.charAt(y)) {
+<a class="jxr_linenumber" name="L213" href="#L213">213</a>                     vDown[i] = ++x;
+<a class="jxr_linenumber" name="L214" href="#L214">214</a>                     ++y;
+<a class="jxr_linenumber" name="L215" href="#L215">215</a>                 }
+<a class="jxr_linenumber" name="L216" href="#L216">216</a>                 <em class="jxr_comment">// Second step</em>
+<a class="jxr_linenumber" name="L217" href="#L217">217</a>                 <strong class="jxr_keyword">if</strong> (delta % 2 != 0 &amp;&amp; delta - d &lt;= k &amp;&amp; k &lt;= delta + d) {
+<a class="jxr_linenumber" name="L218" href="#L218">218</a>                     <strong class="jxr_keyword">if</strong> (vUp[i - delta] &lt;= vDown[i]) {
+<a class="jxr_linenumber" name="L219" href="#L219">219</a>                         <strong class="jxr_keyword">return</strong> buildSnake(vUp[i - delta], k + start1 - start2, end1, end2);
+<a class="jxr_linenumber" name="L220" href="#L220">220</a>                     }
+<a class="jxr_linenumber" name="L221" href="#L221">221</a>                 }
+<a class="jxr_linenumber" name="L222" href="#L222">222</a>             }
+<a class="jxr_linenumber" name="L223" href="#L223">223</a> 
+<a class="jxr_linenumber" name="L224" href="#L224">224</a>             <em class="jxr_comment">// Up</em>
+<a class="jxr_linenumber" name="L225" href="#L225">225</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> k = delta - d; k &lt;= delta + d; k += 2) {
+<a class="jxr_linenumber" name="L226" href="#L226">226</a>                 <em class="jxr_comment">// First step</em>
+<a class="jxr_linenumber" name="L227" href="#L227">227</a>                 <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> i = k + offset - delta;
+<a class="jxr_linenumber" name="L228" href="#L228">228</a>                 <strong class="jxr_keyword">if</strong> (k == delta - d
+<a class="jxr_linenumber" name="L229" href="#L229">229</a>                         || k != delta + d &amp;&amp; vUp[i + 1] &lt;= vUp[i - 1]) {
+<a class="jxr_linenumber" name="L230" href="#L230">230</a>                     vUp[i] = vUp[i + 1] - 1;
+<a class="jxr_linenumber" name="L231" href="#L231">231</a>                 } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L232" href="#L232">232</a>                     vUp[i] = vUp[i - 1];
+<a class="jxr_linenumber" name="L233" href="#L233">233</a>                 }
+<a class="jxr_linenumber" name="L234" href="#L234">234</a> 
+<a class="jxr_linenumber" name="L235" href="#L235">235</a>                 <strong class="jxr_keyword">int</strong> x = vUp[i] - 1;
+<a class="jxr_linenumber" name="L236" href="#L236">236</a>                 <strong class="jxr_keyword">int</strong> y = x - start1 + start2 - k;
+<a class="jxr_linenumber" name="L237" href="#L237">237</a>                 <strong class="jxr_keyword">while</strong> (x &gt;= start1 &amp;&amp; y &gt;= start2
+<a class="jxr_linenumber" name="L238" href="#L238">238</a>                         &amp;&amp; left.charAt(x) == right.charAt(y)) {
+<a class="jxr_linenumber" name="L239" href="#L239">239</a>                     vUp[i] = x--;
+<a class="jxr_linenumber" name="L240" href="#L240">240</a>                     y--;
+<a class="jxr_linenumber" name="L241" href="#L241">241</a>                 }
+<a class="jxr_linenumber" name="L242" href="#L242">242</a>                 <em class="jxr_comment">// Second step</em>
+<a class="jxr_linenumber" name="L243" href="#L243">243</a>                 <strong class="jxr_keyword">if</strong> (delta % 2 == 0 &amp;&amp; -d &lt;= k &amp;&amp; k &lt;= d) {
+<a class="jxr_linenumber" name="L244" href="#L244">244</a>                     <strong class="jxr_keyword">if</strong> (vUp[i] &lt;= vDown[i + delta]) {
+<a class="jxr_linenumber" name="L245" href="#L245">245</a>                         <strong class="jxr_keyword">return</strong> buildSnake(vUp[i], k + start1 - start2, end1, end2);
+<a class="jxr_linenumber" name="L246" href="#L246">246</a>                     }
+<a class="jxr_linenumber" name="L247" href="#L247">247</a>                 }
+<a class="jxr_linenumber" name="L248" href="#L248">248</a>             }
+<a class="jxr_linenumber" name="L249" href="#L249">249</a>         }
+<a class="jxr_linenumber" name="L250" href="#L250">250</a> 
+<a class="jxr_linenumber" name="L251" href="#L251">251</a>         <em class="jxr_comment">// this should not happen</em>
+<a class="jxr_linenumber" name="L252" href="#L252">252</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Internal Error"</span>);
+<a class="jxr_linenumber" name="L253" href="#L253">253</a>     }
+<a class="jxr_linenumber" name="L254" href="#L254">254</a> 
+<a class="jxr_linenumber" name="L255" href="#L255">255</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment">     * Build a snake.</em>
+<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment">     * @param start  the value of the start of the snake</em>
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> <em class="jxr_javadoccomment">     * @param diag  the value of the diagonal of the snake</em>
+<a class="jxr_linenumber" name="L260" href="#L260">260</a> <em class="jxr_javadoccomment">     * @param end1  the value of the end of the first sequence to be compared</em>
+<a class="jxr_linenumber" name="L261" href="#L261">261</a> <em class="jxr_javadoccomment">     * @param end2  the value of the end of the second sequence to be compared</em>
+<a class="jxr_linenumber" name="L262" href="#L262">262</a> <em class="jxr_javadoccomment">     * @return the snake built</em>
+<a class="jxr_linenumber" name="L263" href="#L263">263</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L264" href="#L264">264</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> buildSnake(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> diag, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end1, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end2) {
+<a class="jxr_linenumber" name="L265" href="#L265">265</a>         <strong class="jxr_keyword">int</strong> end = start;
+<a class="jxr_linenumber" name="L266" href="#L266">266</a>         <strong class="jxr_keyword">while</strong> (end - diag &lt; end2
+<a class="jxr_linenumber" name="L267" href="#L267">267</a>                 &amp;&amp; end &lt; end1
+<a class="jxr_linenumber" name="L268" href="#L268">268</a>                 &amp;&amp; left.charAt(end) == right.charAt(end - diag)) {
+<a class="jxr_linenumber" name="L269" href="#L269">269</a>             ++end;
+<a class="jxr_linenumber" name="L270" href="#L270">270</a>         }
+<a class="jxr_linenumber" name="L271" href="#L271">271</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a>(start, end, diag);
+<a class="jxr_linenumber" name="L272" href="#L272">272</a>     }
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> 
+<a class="jxr_linenumber" name="L274" href="#L274">274</a>     <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em class="jxr_javadoccomment">     * This class is a simple placeholder to hold the end part of a path</em>
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment">     * under construction in a {@link StringsComparator StringsComparator}.</em>
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L278" href="#L278">278</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a> {
+<a class="jxr_linenumber" name="L279" href="#L279">279</a> 
+<a class="jxr_linenumber" name="L280" href="#L280">280</a>         <em class="jxr_javadoccomment">/** Start index. */</em>
+<a class="jxr_linenumber" name="L281" href="#L281">281</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start;
+<a class="jxr_linenumber" name="L282" href="#L282">282</a> 
+<a class="jxr_linenumber" name="L283" href="#L283">283</a>         <em class="jxr_javadoccomment">/** End index. */</em>
+<a class="jxr_linenumber" name="L284" href="#L284">284</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end;
+<a class="jxr_linenumber" name="L285" href="#L285">285</a> 
+<a class="jxr_linenumber" name="L286" href="#L286">286</a>         <em class="jxr_javadoccomment">/** Diagonal number. */</em>
+<a class="jxr_linenumber" name="L287" href="#L287">287</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> diag;
+<a class="jxr_linenumber" name="L288" href="#L288">288</a> 
+<a class="jxr_linenumber" name="L289" href="#L289">289</a>         <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em class="jxr_javadoccomment">         * Simple constructor. Creates a new instance of Snake with specified indices.</em>
+<a class="jxr_linenumber" name="L291" href="#L291">291</a> <em class="jxr_javadoccomment">         *</em>
+<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_javadoccomment">         * @param start  start index of the snake</em>
+<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em class="jxr_javadoccomment">         * @param end  end index of the snake</em>
+<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em class="jxr_javadoccomment">         * @param diag  diagonal number</em>
+<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em class="jxr_javadoccomment">         */</em>
+<a class="jxr_linenumber" name="L296" href="#L296">296</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/commons/text/diff/StringsComparator.html">Snake</a>(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> start, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> end, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> diag) {
+<a class="jxr_linenumber" name="L297" href="#L297">297</a>             <strong class="jxr_keyword">this</strong>.start = start;
+<a class="jxr_linenumber" name="L298" href="#L298">298</a>             <strong class="jxr_keyword">this</strong>.end   = end;
+<a class="jxr_linenumber" name="L299" href="#L299">299</a>             <strong class="jxr_keyword">this</strong>.diag  = diag;
+<a class="jxr_linenumber" name="L300" href="#L300">300</a>         }
+<a class="jxr_linenumber" name="L301" href="#L301">301</a> 
+<a class="jxr_linenumber" name="L302" href="#L302">302</a>         <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em class="jxr_javadoccomment">         * Get the start index of the snake.</em>
+<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_javadoccomment">         *</em>
+<a class="jxr_linenumber" name="L305" href="#L305">305</a> <em class="jxr_javadoccomment">         * @return start index of the snake</em>
+<a class="jxr_linenumber" name="L306" href="#L306">306</a> <em class="jxr_javadoccomment">         */</em>
+<a class="jxr_linenumber" name="L307" href="#L307">307</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getStart() {
+<a class="jxr_linenumber" name="L308" href="#L308">308</a>             <strong class="jxr_keyword">return</strong> start;
+<a class="jxr_linenumber" name="L309" href="#L309">309</a>         }
+<a class="jxr_linenumber" name="L310" href="#L310">310</a> 
+<a class="jxr_linenumber" name="L311" href="#L311">311</a>         <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L312" href="#L312">312</a> <em class="jxr_javadoccomment">         * Get the end index of the snake.</em>
+<a class="jxr_linenumber" name="L313" href="#L313">313</a> <em class="jxr_javadoccomment">         *</em>
+<a class="jxr_linenumber" name="L314" href="#L314">314</a> <em class="jxr_javadoccomment">         * @return end index of the snake</em>
+<a class="jxr_linenumber" name="L315" href="#L315">315</a> <em class="jxr_javadoccomment">         */</em>
+<a class="jxr_linenumber" name="L316" href="#L316">316</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getEnd() {
+<a class="jxr_linenumber" name="L317" href="#L317">317</a>             <strong class="jxr_keyword">return</strong> end;
+<a class="jxr_linenumber" name="L318" href="#L318">318</a>         }
+<a class="jxr_linenumber" name="L319" href="#L319">319</a> 
+<a class="jxr_linenumber" name="L320" href="#L320">320</a>         <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L321" href="#L321">321</a> <em class="jxr_javadoccomment">         * Get the diagonal number of the snake.</em>
+<a class="jxr_linenumber" name="L322" href="#L322">322</a> <em class="jxr_javadoccomment">         *</em>
+<a class="jxr_linenumber" name="L323" href="#L323">323</a> <em class="jxr_javadoccomment">         * @return diagonal number of the snake</em>
+<a class="jxr_linenumber" name="L324" href="#L324">324</a> <em class="jxr_javadoccomment">         */</em>
+<a class="jxr_linenumber" name="L325" href="#L325">325</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getDiag() {
+<a class="jxr_linenumber" name="L326" href="#L326">326</a>             <strong class="jxr_keyword">return</strong> diag;
+<a class="jxr_linenumber" name="L327" href="#L327">327</a>         }
+<a class="jxr_linenumber" name="L328" href="#L328">328</a>     }
+<a class="jxr_linenumber" name="L329" href="#L329">329</a> 
+<a class="jxr_linenumber" name="L330" href="#L330">330</a> }
 </pre>
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