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<title>truncate (ActionView::Helpers::TextHelper)</title>
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<pre><span class="ruby-comment cmt"># File lib/action_view/helpers/text_helper.rb, line 61</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">truncate</span>(<span class="ruby-identifier">text</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
<span class="ruby-identifier">options</span> = <span class="ruby-identifier">args</span>.<span class="ruby-identifier">extract_options!</span>
<span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">args</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-constant">ActiveSupport</span><span class="ruby-operator">::</span><span class="ruby-constant">Deprecation</span>.<span class="ruby-identifier">warn</span>(<span class="ruby-value str">'truncate takes an option hash instead of separate '</span> <span class="ruby-operator">+</span>
<span class="ruby-value str">'length and omission arguments'</span>, <span class="ruby-identifier">caller</span>)
<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:length</span>] = <span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">||</span> <span class="ruby-value">30</span>
<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:omission</span>] = <span class="ruby-identifier">args</span>[<span class="ruby-value">1</span>] <span class="ruby-operator">||</span> <span class="ruby-value str">"..."</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">options</span>.<span class="ruby-identifier">reverse_merge!</span>(<span class="ruby-identifier">:length</span> =<span class="ruby-operator">></span> <span class="ruby-value">30</span>, <span class="ruby-identifier">:omission</span> =<span class="ruby-operator">></span> <span class="ruby-value str">"..."</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">text</span>
<span class="ruby-identifier">l</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:length</span>] <span class="ruby-operator">-</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:omission</span>].<span class="ruby-identifier">mb_chars</span>.<span class="ruby-identifier">length</span>
<span class="ruby-identifier">chars</span> = <span class="ruby-identifier">text</span>.<span class="ruby-identifier">mb_chars</span>
(<span class="ruby-identifier">chars</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">></span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:length</span>] <span class="ruby-operator">?</span> <span class="ruby-identifier">chars</span>[<span class="ruby-value">0</span><span class="ruby-operator">...</span><span class="ruby-identifier">l</span>] <span class="ruby-operator">+</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:omission</span>] <span class="ruby-operator">:</span> <span class="ruby-identifier">text</span>).<span class="ruby-identifier">to_s</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
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distrib
>
Mandriva
>
2010.0
>
i586
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media
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contrib-release
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by-pkgid
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8b99df826c3b6cf56a1caaae5f931d50
>
files
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902
