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lib-dm-is-taggable-tag_list_rb.html
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lib-dm-is-taggable-tag_list_rb.html
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<body><h3>C0 code coverage information</h3>
<p>Generated on Sun Sep 14 19:50:35 -0700 2008 with <a href='http://eigenclass.org/hiki/rcov'>rcov 0.8.1.2</a>
</p>
<hr/>
<pre><span class='marked0'>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='inferred0'>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='uncovered0'>Finally, here's a line marked as not executed.
</span></pre>
<table class='report'><thead><tr><td class='heading'>Name</td>
<td class='heading'>Total lines</td>
<td class='heading'>Lines of code</td>
<td class='heading'>Total coverage</td>
<td class='heading'>Code coverage</td>
</tr>
</thead>
<tbody><tr class='light'><td><a href='lib-dm-is-taggable-tag_list_rb.html'>lib/dm-is-taggable/tag_list.rb</a>
</td>
<td class='lines_total'><tt>105</tt>
</td>
<td class='lines_code'><tt>64</tt>
</td>
<td><table cellspacing='0' cellpadding='0' align='right'><tr><td><tt class='coverage_total'>80.0%</tt>
</td>
<td><table cellspacing='0' class='percent_graph' cellpadding='0' width='100'><tr><td class='covered' width='80'/>
<td class='uncovered' width='20'/>
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</td>
</tr>
</table>
</td>
<td><table cellspacing='0' cellpadding='0' align='right'><tr><td><tt class='coverage_code'>71.9%</tt>
</td>
<td><table cellspacing='0' class='percent_graph' cellpadding='0' width='100'><tr><td class='covered' width='72'/>
<td class='uncovered' width='28'/>
</tr>
</table>
</td>
</tr>
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</tr>
</tbody>
</table>
<pre><span class="marked1"><a name="line1"></a> 1 class TagList < Array
</span><span class="marked0"><a name="line2"></a> 2 cattr_accessor :delimiter
</span><span class="marked1"><a name="line3"></a> 3 self.delimiter = ','
</span><span class="inferred0"><a name="line4"></a> 4
</span><span class="marked1"><a name="line5"></a> 5 def initialize(*args)
</span><span class="marked0"><a name="line6"></a> 6 add(*args)
</span><span class="marked1"><a name="line7"></a> 7 end
</span><span class="inferred0"><a name="line8"></a> 8
</span><span class="inferred1"><a name="line9"></a> 9 # Add tags to the tag_list. Duplicate or blank tags will be ignored.
</span><span class="inferred0"><a name="line10"></a> 10 #
</span><span class="inferred1"><a name="line11"></a> 11 # tag_list.add("Fun", "Happy")
</span><span class="inferred0"><a name="line12"></a> 12 #
</span><span class="inferred1"><a name="line13"></a> 13 # Use the <tt>:parse</tt> option to add an unparsed tag string.
</span><span class="inferred0"><a name="line14"></a> 14 #
</span><span class="inferred1"><a name="line15"></a> 15 # tag_list.add("Fun, Happy", :parse => true)
</span><span class="marked0"><a name="line16"></a> 16 def add(*names)
</span><span class="marked1"><a name="line17"></a> 17 extract_and_apply_options!(names)
</span><span class="marked0"><a name="line18"></a> 18 concat(names)
</span><span class="marked1"><a name="line19"></a> 19 clean!
</span><span class="marked0"><a name="line20"></a> 20 self
</span><span class="inferred1"><a name="line21"></a> 21 end
</span><span class="inferred0"><a name="line22"></a> 22
</span><span class="inferred1"><a name="line23"></a> 23 # Remove specific tags from the tag_list.
</span><span class="inferred0"><a name="line24"></a> 24 #
</span><span class="inferred1"><a name="line25"></a> 25 # tag_list.remove("Sad", "Lonely")
</span><span class="inferred0"><a name="line26"></a> 26 #
</span><span class="inferred1"><a name="line27"></a> 27 # Like #add, the <tt>:parse</tt> option can be used to remove multiple tags in a string.
</span><span class="inferred0"><a name="line28"></a> 28 #
</span><span class="inferred1"><a name="line29"></a> 29 # tag_list.remove("Sad, Lonely", :parse => true)
</span><span class="marked0"><a name="line30"></a> 30 def remove(*names)
</span><span class="uncovered1"><a name="line31"></a> 31 extract_and_apply_options!(names)
</span><span class="uncovered0"><a name="line32"></a> 32 delete_if { |name| names.include?(name) }
</span><span class="uncovered1"><a name="line33"></a> 33 self
</span><span class="uncovered0"><a name="line34"></a> 34 end
</span><span class="inferred1"><a name="line35"></a> 35
</span><span class="inferred0"><a name="line36"></a> 36 # Toggle the presence of the given tags.
</span><span class="inferred1"><a name="line37"></a> 37 # If a tag is already in the list it is removed, otherwise it is added.
</span><span class="marked0"><a name="line38"></a> 38 def toggle(*names)
</span><span class="uncovered1"><a name="line39"></a> 39 extract_and_apply_options!(names)
</span><span class="uncovered0"><a name="line40"></a> 40
</span><span class="uncovered1"><a name="line41"></a> 41 names.each do |name|
</span><span class="uncovered0"><a name="line42"></a> 42 include?(name) ? delete(name) : push(name)
</span><span class="uncovered1"><a name="line43"></a> 43 end
</span><span class="uncovered0"><a name="line44"></a> 44
</span><span class="uncovered1"><a name="line45"></a> 45 clean!
</span><span class="uncovered0"><a name="line46"></a> 46 self
</span><span class="uncovered1"><a name="line47"></a> 47 end
</span><span class="inferred0"><a name="line48"></a> 48
</span><span class="inferred1"><a name="line49"></a> 49 # Transform the tag_list into a tag string suitable for edting in a form.
</span><span class="inferred0"><a name="line50"></a> 50 # The tags are joined with <tt>TagList.delimiter</tt> and quoted if necessary.
</span><span class="inferred1"><a name="line51"></a> 51 #
</span><span class="inferred0"><a name="line52"></a> 52 # tag_list = TagList.new("Round", "Square,Cube")
</span><span class="inferred1"><a name="line53"></a> 53 # tag_list.to_s # 'Round, "Square,Cube"'
</span><span class="marked0"><a name="line54"></a> 54 def to_s
</span><span class="uncovered1"><a name="line55"></a> 55 clean!
</span><span class="uncovered0"><a name="line56"></a> 56
</span><span class="uncovered1"><a name="line57"></a> 57 map do |name|
</span><span class="uncovered0"><a name="line58"></a> 58 name.include?(delimiter) ? "\"#{name}\"" : name
</span><span class="uncovered1"><a name="line59"></a> 59 end.join(delimiter.ends_with?(" ") ? delimiter : "#{delimiter} ")
</span><span class="uncovered0"><a name="line60"></a> 60 end
</span><span class="inferred1"><a name="line61"></a> 61
</span><span class="marked0"><a name="line62"></a> 62 private
</span><span class="inferred1"><a name="line63"></a> 63 # Remove whitespace, duplicates, and blanks.
</span><span class="marked0"><a name="line64"></a> 64 def clean!
</span><span class="marked1"><a name="line65"></a> 65 reject!{|t| t.blank?}
</span><span class="marked0"><a name="line66"></a> 66 map!{|t| t.strip}
</span><span class="marked1"><a name="line67"></a> 67 uniq!
</span><span class="inferred0"><a name="line68"></a> 68 end
</span><span class="inferred1"><a name="line69"></a> 69
</span><span class="marked0"><a name="line70"></a> 70 def extract_and_apply_options!(args)
</span><span class="marked1"><a name="line71"></a> 71 options = args.last.is_a?(Hash) ? args.pop : {}
</span><span class="inferred0"><a name="line72"></a> 72
</span><span class="marked1"><a name="line73"></a> 73 if options[:parse]
</span><span class="uncovered0"><a name="line74"></a> 74 args.map! { |a| self.class.from(a) }
</span><span class="uncovered1"><a name="line75"></a> 75 end
</span><span class="inferred0"><a name="line76"></a> 76
</span><span class="marked1"><a name="line77"></a> 77 args.flatten!
</span><span class="inferred0"><a name="line78"></a> 78 end
</span><span class="inferred1"><a name="line79"></a> 79
</span><span class="marked0"><a name="line80"></a> 80 class << self
</span><span class="inferred1"><a name="line81"></a> 81 # Returns a new TagList using the given tag string.
</span><span class="inferred0"><a name="line82"></a> 82 #
</span><span class="inferred1"><a name="line83"></a> 83 # tag_list = TagList.from("One , Two, Three")
</span><span class="inferred0"><a name="line84"></a> 84 # tag_list # ["One", "Two", "Three"]
</span><span class="marked1"><a name="line85"></a> 85 def from(source)
</span><span class="marked0"><a name="line86"></a> 86 tag_list = TagList.new
</span><span class="marked1"><a name="line87"></a> 87 case source
</span><span class="marked0"><a name="line88"></a> 88 when Array
</span><span class="marked1"><a name="line89"></a> 89 source.each{|a| tag_list.add(TagList.from(a))}
</span><span class="inferred0"><a name="line90"></a> 90 else
</span><span class="marked1"><a name="line91"></a> 91 string = source.to_s.dup
</span><span class="inferred0"><a name="line92"></a> 92 # Parse the quoted tags
</span><span class="inferred1"><a name="line93"></a> 93 [
</span><span class="marked0"><a name="line94"></a> 94 /\s*#{delimiter}\s*(['"])(.*?)\1\s*/,
</span><span class="marked1"><a name="line95"></a> 95 /^\s*(['"])(.*?)\1\s*#{delimiter}?/
</span><span class="inferred0"><a name="line96"></a> 96 ].each do |re|
</span><span class="marked1"><a name="line97"></a> 97 string.gsub!(re) { tag_list << $2; "" }
</span><span class="inferred0"><a name="line98"></a> 98 end
</span><span class="marked1"><a name="line99"></a> 99 tag_list.add(string.split(delimiter))
</span><span class="inferred0"><a name="line100"></a>100 end
</span><span class="inferred1"><a name="line101"></a>101
</span><span class="marked0"><a name="line102"></a>102 tag_list
</span><span class="inferred1"><a name="line103"></a>103 end
</span><span class="inferred0"><a name="line104"></a>104 end
</span><span class="inferred1"><a name="line105"></a>105 end
</span></pre><hr/>
<p>Generated using the <a href='http://eigenclass.org/hiki.rb?rcov'>rcov code coverage analysis tool for Ruby</a>
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