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    <title>rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/hunk.rb</title>
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    <h1>Rspec Steps C0 Coverage Information - RCov</h1>
    <h2>rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/hunk.rb</h2>

    

    <div class="report_table_wrapper">
      <table class='report' id='report_table'>
        <thead>
          <tr>
            <th class="left_align">Name</th>
            <th class="right_align">Total Lines</th>
            <th class="right_align">Lines of Code</th>
            <th class="left_align">Total Coverage</th>
            <th class="left_align">Code Coverage</th>
          </tr>
        </thead>
        <tbody>
          <tr>
            <td class="left_align"><a href="rcov-ruby-1_8-gems-diff-lcs-1_1_2-lib-diff-lcs-hunk_rb.html">rcov/ruby/1.8/gems/diff-lcs-1.1.2/lib/diff/lcs/hunk.rb</a></td>
            <td class='right_align'><tt>257</tt></td>
            <td class='right_align'><tt>170</tt></td>
            <td class="left_align"><div class="percent_graph_legend"><tt class=''>25.29%</tt></div>
          <div class="percent_graph">
            <div class="covered" style="width:25px"></div>
            <div class="uncovered" style="width:75px"></div>
          </div></td>
            <td class="left_align"><div class="percent_graph_legend"><tt class=''>11.76%</tt></div>
          <div class="percent_graph">
            <div class="covered" style="width:12px"></div>
            <div class="uncovered" style="width:88px"></div>
          </div></td>
          </tr>
        </tbody>
      </table>
    </div>
    
    <h3>Key</h3>
    
    <div class="key"><pre><span class='marked'>Code reported as executed by Ruby looks like this...</span><span class='marked1'>and this: this line is also marked as covered.</span><span class='inferred'>Lines considered as run by rcov, but not reported by Ruby, look like this,</span><span class='inferred1'>and this: these lines were inferred by rcov (using simple heuristics).</span><span class='uncovered'>Finally, here's a line marked as not executed.</span></pre></div>

    <h3>Coverage Details</h3>

    <table class="details">
      <tbody>
        
          
          
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            <td><pre><a name="line1">1</a> #! /usr/env/bin ruby</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line2">2</a> #--</pre></td>
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            <td><pre><a name="line3">3</a> # Copyright 2004 Austin Ziegler &lt;diff-lcs@halostatue.ca&gt;</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line4">4</a> #   adapted from:</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line5">5</a> #     Algorithm::Diff (Perl) by Ned Konz &lt;perl@bike-nomad.com&gt;</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line6">6</a> #     Smalltalk by Mario I. Wolczko &lt;mario@wolczko.com&gt;</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line7">7</a> #   implements McIlroy-Hunt diff algorithm</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line8">8</a> #</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line9">9</a> # This program is free software. It may be redistributed and/or modified under</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line10">10</a> # the terms of the GPL version 2 (or later), the Perl Artistic licence, or the</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line11">11</a> # Ruby licence.</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line12">12</a> # </pre></td>
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          <tr class="inferred">
            <td><pre><a name="line13">13</a> # $Id: hunk.rb,v 1.2 2004/08/08 20:33:09 austin Exp $</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line14">14</a> #++</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line15">15</a> # Contains Diff::LCS::Hunk for bin/ldiff.</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line16">16</a> </pre></td>
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            <td><pre><a name="line17">17</a> require 'diff/lcs/block'</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line18">18</a> </pre></td>
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            <td><pre><a name="line19">19</a>   # A Hunk is a group of Blocks which overlap because of the context</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line20">20</a>   # surrounding each block. (So if we're not using context, every hunk will</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line21">21</a>   # contain one block.) Used in the diff program (bin/diff).</pre></td>
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          <tr class="marked">
            <td><pre><a name="line22">22</a> class Diff::LCS::Hunk</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line23">23</a>     # Create a hunk using references to both the old and new data, as well as</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line24">24</a>     # the piece of data</pre></td>
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            <td><pre><a name="line25">25</a>   def initialize(data_old, data_new, piece, context, file_length_difference)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line26">26</a>       # At first, a hunk will have just one Block in it</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line27">27</a>     @blocks = [ Diff::LCS::Block.new(piece) ]</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line28">28</a>     @data_old = data_old</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line29">29</a>     @data_new = data_new</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line30">30</a> </pre></td>
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            <td><pre><a name="line31">31</a>     before = after = file_length_difference</pre></td>
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            <td><pre><a name="line32">32</a>     after += @blocks[0].diff_size</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line33">33</a>     @file_length_difference = after # The caller must get this manually</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line34">34</a> </pre></td>
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            <td><pre><a name="line35">35</a>       # Save the start &amp; end of each array. If the array doesn't exist</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line36">36</a>       # (e.g., we're only adding items in this block), then figure out the</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line37">37</a>       # line number based on the line number of the other file and the</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line38">38</a>       # current difference in file lengths.</pre></td>
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            <td><pre><a name="line39">39</a>     if @blocks[0].remove.empty?</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line40">40</a>       a1 = a2 = nil</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line41">41</a>     else</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line42">42</a>       a1 = @blocks[0].remove[0].position</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line43">43</a>       a2 = @blocks[0].remove[-1].position</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line44">44</a>     end</pre></td>
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            <td><pre><a name="line45">45</a> </pre></td>
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            <td><pre><a name="line46">46</a>     if @blocks[0].insert.empty?</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line47">47</a>       b1 = b2 = nil</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line48">48</a>     else</pre></td>
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            <td><pre><a name="line49">49</a>       b1 = @blocks[0].insert[0].position</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line50">50</a>       b2 = @blocks[0].insert[-1].position</pre></td>
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            <td><pre><a name="line51">51</a>     end</pre></td>
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            <td><pre><a name="line52">52</a> </pre></td>
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            <td><pre><a name="line53">53</a>     @start_old = a1 || (b1 - before)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line54">54</a>     @start_new = b1 || (a1 + before)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line55">55</a>     @end_old   = a2 || (b2 - after)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line56">56</a>     @end_new   = b2 || (a2 + after)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line57">57</a> </pre></td>
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            <td><pre><a name="line58">58</a>     self.flag_context = context</pre></td>
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            <td><pre><a name="line59">59</a>   end</pre></td>
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            <td><pre><a name="line60">60</a> </pre></td>
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            <td><pre><a name="line61">61</a>   attr_reader :blocks</pre></td>
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            <td><pre><a name="line62">62</a>   attr_reader :start_old, :start_new</pre></td>
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          <tr class="marked">
            <td><pre><a name="line63">63</a>   attr_reader :end_old, :end_new</pre></td>
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          <tr class="marked">
            <td><pre><a name="line64">64</a>   attr_reader :file_length_difference</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line65">65</a> </pre></td>
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            <td><pre><a name="line66">66</a>     # Change the &quot;start&quot; and &quot;end&quot; fields to note that context should be added</pre></td>
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            <td><pre><a name="line67">67</a>     # to this hunk</pre></td>
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            <td><pre><a name="line68">68</a>   attr_accessor :flag_context</pre></td>
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          <tr class="marked">
            <td><pre><a name="line69">69</a>   def flag_context=(context) #:nodoc:</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line70">70</a>     return if context.nil? or context.zero?</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line71">71</a> </pre></td>
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            <td><pre><a name="line72">72</a>     add_start = (context &gt; @start_old) ? @start_old : context</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line73">73</a>     @start_old -= add_start</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line74">74</a>     @start_new -= add_start</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line75">75</a> </pre></td>
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            <td><pre><a name="line76">76</a>     if (@end_old + context) &gt; @data_old.size</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line77">77</a>       add_end = @data_old.size - @end_old</pre></td>
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            <td><pre><a name="line78">78</a>     else</pre></td>
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            <td><pre><a name="line79">79</a>       add_end = context</pre></td>
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            <td><pre><a name="line80">80</a>     end</pre></td>
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            <td><pre><a name="line81">81</a>     @end_old += add_end</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line82">82</a>     @end_new += add_end</pre></td>
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            <td><pre><a name="line83">83</a>   end</pre></td>
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            <td><pre><a name="line84">84</a> </pre></td>
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            <td><pre><a name="line85">85</a>   def unshift(hunk)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line86">86</a>     @start_old = hunk.start_old</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line87">87</a>     @start_new = hunk.start_new</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line88">88</a>     blocks.unshift(*hunk.blocks)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line89">89</a>   end</pre></td>
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            <td><pre><a name="line90">90</a> </pre></td>
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            <td><pre><a name="line91">91</a>     # Is there an overlap between hunk arg0 and old hunk arg1? Note: if end</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line92">92</a>     # of old hunk is one less than beginning of second, they overlap</pre></td>
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          <tr class="marked">
            <td><pre><a name="line93">93</a>   def overlaps?(hunk = nil)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line94">94</a>     return nil if hunk.nil?</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line95">95</a> </pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line96">96</a>     a = (@start_old - hunk.end_old) &lt;= 1</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line97">97</a>     b = (@start_new - hunk.end_new) &lt;= 1</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line98">98</a>     return (a or b)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line99">99</a>   end</pre></td>
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            <td><pre><a name="line100">100</a> </pre></td>
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          <tr class="marked">
            <td><pre><a name="line101">101</a>   def diff(format)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line102">102</a>     case format</pre></td>
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            <td><pre><a name="line103">103</a>     when :old</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line104">104</a>       old_diff</pre></td>
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            <td><pre><a name="line105">105</a>     when :unified</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line106">106</a>       unified_diff</pre></td>
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            <td><pre><a name="line107">107</a>     when :context</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line108">108</a>       context_diff</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line109">109</a>     when :ed</pre></td>
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            <td><pre><a name="line110">110</a>       self</pre></td>
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            <td><pre><a name="line111">111</a>     when :reverse_ed, :ed_finish</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line112">112</a>       ed_diff(format)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line113">113</a>     else</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line114">114</a>       raise &quot;Unknown diff format #{format}.&quot;</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line115">115</a>     end</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line116">116</a>   end</pre></td>
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            <td><pre><a name="line117">117</a> </pre></td>
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            <td><pre><a name="line118">118</a>   def each_old(block)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line119">119</a>     @data_old[@start_old .. @end_old].each { |e| yield e }</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line120">120</a>   end</pre></td>
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            <td><pre><a name="line121">121</a> </pre></td>
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            <td><pre><a name="line122">122</a>   private</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line123">123</a>     # Note that an old diff can't have any context. Therefore, we know that</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line124">124</a>     # there's only one block in the hunk.</pre></td>
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          <tr class="marked">
            <td><pre><a name="line125">125</a>   def old_diff</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line126">126</a>     warn &quot;Expecting only one block in an old diff hunk!&quot; if @blocks.size &gt; 1</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line127">127</a>     op_act = { &quot;+&quot; =&gt; 'a', &quot;-&quot; =&gt; 'd', &quot;!&quot; =&gt; &quot;c&quot; }</pre></td>
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            <td><pre><a name="line128">128</a> </pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line129">129</a>     block = @blocks[0]</pre></td>
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            <td><pre><a name="line130">130</a> </pre></td>
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            <td><pre><a name="line131">131</a>       # Calculate item number range. Old diff range is just like a context</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line132">132</a>       # diff range, except the ranges are on one line with the action between</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line133">133</a>       # them.</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line134">134</a>     s = &quot;#{context_range(:old)}#{op_act[block.op]}#{context_range(:new)}\n&quot;</pre></td>
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            <td><pre><a name="line135">135</a>       # If removing anything, just print out all the remove lines in the hunk</pre></td>
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            <td><pre><a name="line136">136</a>       # which is just all the remove lines in the block.</pre></td>
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            <td><pre><a name="line137">137</a>     @data_old[@start_old .. @end_old].each { |e| s &lt;&lt; &quot;&lt; #{e}\n&quot; } unless block.remove.empty?</pre></td>
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            <td><pre><a name="line138">138</a>     s &lt;&lt; &quot;---\n&quot; if block.op == &quot;!&quot;</pre></td>
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            <td><pre><a name="line139">139</a>     @data_new[@start_new .. @end_new].each { |e| s &lt;&lt; &quot;&gt; #{e}\n&quot; } unless block.insert.empty?</pre></td>
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            <td><pre><a name="line140">140</a>     s</pre></td>
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            <td><pre><a name="line141">141</a>   end</pre></td>
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            <td><pre><a name="line142">142</a> </pre></td>
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            <td><pre><a name="line143">143</a>   def unified_diff</pre></td>
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            <td><pre><a name="line144">144</a>       # Calculate item number range.</pre></td>
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            <td><pre><a name="line145">145</a>     s = &quot;@@ -#{unified_range(:old)} +#{unified_range(:new)} @@\n&quot;</pre></td>
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            <td><pre><a name="line146">146</a> </pre></td>
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            <td><pre><a name="line147">147</a>       # Outlist starts containing the hunk of the old file. Removing an item</pre></td>
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            <td><pre><a name="line148">148</a>       # just means putting a '-' in front of it. Inserting an item requires</pre></td>
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            <td><pre><a name="line149">149</a>       # getting it from the new file and splicing it in. We splice in</pre></td>
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            <td><pre><a name="line150">150</a>       # +num_added+ items. Remove blocks use +num_added+ because splicing</pre></td>
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            <td><pre><a name="line151">151</a>       # changed the length of outlist.</pre></td>
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            <td><pre><a name="line152">152</a>       #</pre></td>
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            <td><pre><a name="line153">153</a>       # We remove +num_removed+ items. Insert blocks use +num_removed+</pre></td>
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            <td><pre><a name="line154">154</a>       # because their item numbers -- corresponding to positions in the NEW</pre></td>
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            <td><pre><a name="line155">155</a>       # file -- don't take removed items into account.</pre></td>
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            <td><pre><a name="line156">156</a>     lo, hi, num_added, num_removed = @start_old, @end_old, 0, 0</pre></td>
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            <td><pre><a name="line157">157</a> </pre></td>
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            <td><pre><a name="line158">158</a>     outlist = @data_old[lo .. hi].collect { |e| e.gsub(/^/, ' ') }</pre></td>
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            <td><pre><a name="line159">159</a> </pre></td>
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            <td><pre><a name="line160">160</a>     @blocks.each do |block|</pre></td>
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            <td><pre><a name="line161">161</a>       block.remove.each do |item|</pre></td>
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            <td><pre><a name="line162">162</a>         op = item.action.to_s # -</pre></td>
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            <td><pre><a name="line163">163</a>         offset = item.position - lo + num_added</pre></td>
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            <td><pre><a name="line164">164</a>         outlist[offset].gsub!(/^ /, op.to_s)</pre></td>
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            <td><pre><a name="line165">165</a>         num_removed += 1</pre></td>
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            <td><pre><a name="line166">166</a>       end</pre></td>
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            <td><pre><a name="line167">167</a>       block.insert.each do |item|</pre></td>
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            <td><pre><a name="line168">168</a>         op = item.action.to_s # +</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line169">169</a>         offset = item.position - @start_new + num_removed</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line170">170</a>         outlist[offset, 0] = &quot;#{op}#{@data_new[item.position]}&quot;</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line171">171</a>         num_added += 1</pre></td>
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            <td><pre><a name="line172">172</a>       end</pre></td>
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            <td><pre><a name="line173">173</a>     end</pre></td>
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            <td><pre><a name="line174">174</a> </pre></td>
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            <td><pre><a name="line175">175</a>     s &lt;&lt; outlist.join(&quot;\n&quot;)</pre></td>
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            <td><pre><a name="line176">176</a>   end</pre></td>
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            <td><pre><a name="line177">177</a> </pre></td>
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            <td><pre><a name="line178">178</a>   def context_diff</pre></td>
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            <td><pre><a name="line179">179</a>     s = &quot;***************\n&quot;</pre></td>
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            <td><pre><a name="line180">180</a>     s &lt;&lt; &quot;*** #{context_range(:old)} ****\n&quot;</pre></td>
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            <td><pre><a name="line181">181</a>     r = context_range(:new)</pre></td>
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            <td><pre><a name="line182">182</a> </pre></td>
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            <td><pre><a name="line183">183</a>       # Print out file 1 part for each block in context diff format if there</pre></td>
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            <td><pre><a name="line184">184</a>       # are any blocks that remove items</pre></td>
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            <td><pre><a name="line185">185</a>     lo, hi = @start_old, @end_old</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line186">186</a>     removes = @blocks.select { |e| not e.remove.empty? }</pre></td>
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            <td><pre><a name="line187">187</a>     if removes</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line188">188</a>       outlist = @data_old[lo .. hi].collect { |e| e.gsub(/^/, '  ') }</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line189">189</a>       removes.each do |block|</pre></td>
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            <td><pre><a name="line190">190</a>         block.remove.each do |item|</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line191">191</a>           outlist[item.position - lo].gsub!(/^ /) { block.op } # - or !</pre></td>
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            <td><pre><a name="line192">192</a>         end</pre></td>
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            <td><pre><a name="line193">193</a>       end</pre></td>
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            <td><pre><a name="line194">194</a>       s &lt;&lt; outlist.join(&quot;\n&quot;)</pre></td>
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            <td><pre><a name="line195">195</a>     end</pre></td>
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            <td><pre><a name="line196">196</a> </pre></td>
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            <td><pre><a name="line197">197</a>     s &lt;&lt; &quot;\n--- #{r} ----\n&quot;</pre></td>
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            <td><pre><a name="line198">198</a>     lo, hi = @start_new, @end_new</pre></td>
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            <td><pre><a name="line199">199</a>     inserts = @blocks.select { |e| not e.insert.empty? }</pre></td>
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            <td><pre><a name="line200">200</a>     if inserts</pre></td>
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            <td><pre><a name="line201">201</a>       outlist = @data_new[lo .. hi].collect { |e| e.gsub(/^/, '  ') }</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line202">202</a>       inserts.each do |block|</pre></td>
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            <td><pre><a name="line203">203</a>         block.insert.each do |item|</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line204">204</a>           outlist[item.position - lo].gsub!(/^ /) { block.op } # + or !</pre></td>
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            <td><pre><a name="line205">205</a>         end</pre></td>
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            <td><pre><a name="line206">206</a>       end</pre></td>
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            <td><pre><a name="line207">207</a>       s &lt;&lt; outlist.join(&quot;\n&quot;)</pre></td>
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            <td><pre><a name="line208">208</a>     end</pre></td>
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            <td><pre><a name="line209">209</a>     s</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line210">210</a>   end</pre></td>
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            <td><pre><a name="line211">211</a> </pre></td>
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            <td><pre><a name="line212">212</a>   def ed_diff(format)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line213">213</a>     op_act = { &quot;+&quot; =&gt; 'a', &quot;-&quot; =&gt; 'd', &quot;!&quot; =&gt; &quot;c&quot; }</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line214">214</a>     warn &quot;Expecting only one block in an old diff hunk!&quot; if @blocks.size &gt; 1</pre></td>
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            <td><pre><a name="line215">215</a> </pre></td>
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            <td><pre><a name="line216">216</a>     if format == :reverse_ed</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line217">217</a>       s = &quot;#{op_act[@blocks[0].op]}#{context_range(:old)}\n&quot;</pre></td>
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            <td><pre><a name="line218">218</a>     else</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line219">219</a>       s = &quot;#{context_range(:old).gsub(/,/, ' ')}#{op_act[@blocks[0].op]}\n&quot;</pre></td>
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            <td><pre><a name="line220">220</a>     end</pre></td>
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            <td><pre><a name="line221">221</a> </pre></td>
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            <td><pre><a name="line222">222</a>     unless @blocks[0].insert.empty?</pre></td>
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            <td><pre><a name="line223">223</a>       @data_new[@start_new .. @end_new].each { |e| s &lt;&lt; &quot;#{e}\n&quot; }</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line224">224</a>       s &lt;&lt; &quot;.\n&quot;</pre></td>
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            <td><pre><a name="line225">225</a>     end</pre></td>
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            <td><pre><a name="line226">226</a>     s</pre></td>
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            <td><pre><a name="line227">227</a>   end</pre></td>
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            <td><pre><a name="line228">228</a> </pre></td>
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            <td><pre><a name="line229">229</a>     # Generate a range of item numbers to print. Only print 1 number if the</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line230">230</a>     # range has only one item in it. Otherwise, it's 'start,end'</pre></td>
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          <tr class="marked">
            <td><pre><a name="line231">231</a>   def context_range(mode)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line232">232</a>     case mode</pre></td>
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            <td><pre><a name="line233">233</a>     when :old</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line234">234</a>       s, e = (@start_old + 1), (@end_old + 1)</pre></td>
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            <td><pre><a name="line235">235</a>     when :new</pre></td>
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            <td><pre><a name="line236">236</a>       s, e = (@start_new + 1), (@end_new + 1)</pre></td>
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            <td><pre><a name="line237">237</a>     end</pre></td>
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            <td><pre><a name="line238">238</a> </pre></td>
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            <td><pre><a name="line239">239</a>     (s &lt; e) ? &quot;#{s},#{e}&quot; : &quot;#{e}&quot;</pre></td>
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            <td><pre><a name="line240">240</a>   end</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line241">241</a> </pre></td>
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          <tr class="inferred">
            <td><pre><a name="line242">242</a>     # Generate a range of item numbers to print for unified diff. Print</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line243">243</a>     # number where block starts, followed by number of lines in the block</pre></td>
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          <tr class="inferred">
            <td><pre><a name="line244">244</a>     # (don't print number of lines if it's 1)</pre></td>
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          <tr class="marked">
            <td><pre><a name="line245">245</a>   def unified_range(mode)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line246">246</a>     case mode</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line247">247</a>     when :old</pre></td>
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            <td><pre><a name="line248">248</a>       s, e = (@start_old + 1), (@end_old + 1)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line249">249</a>     when :new</pre></td>
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            <td><pre><a name="line250">250</a>       s, e = (@start_new + 1), (@end_new + 1)</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line251">251</a>     end</pre></td>
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            <td><pre><a name="line252">252</a> </pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line253">253</a>     length = e - s + 1</pre></td>
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          <tr class="uncovered">
            <td><pre><a name="line254">254</a>     first = (length &lt; 2) ? e : s # &quot;strange, but correct&quot;</pre></td>
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            <td><pre><a name="line255">255</a>     (length == 1) ? &quot;#{first}&quot; : &quot;#{first},#{length}&quot;</pre></td>
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            <td><pre><a name="line256">256</a>   end</pre></td>
          </tr>
        
          
          
          <tr class="uncovered">
            <td><pre><a name="line257">257</a> end</pre></td>
          </tr>
        
      </tbody>
    </table>

    <p>Generated on Fri Apr 22 17:22:41 -0700 2011 with <a href="http://github.com/relevance/rcov">rcov 0.9.8</a></p>

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