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<title>number_with_precision (ActionView::Helpers::NumberHelper)</title>
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<pre><span class="ruby-comment cmt"># File lib/action_view/helpers/number_helper.rb, line 196</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">number_with_precision</span>(<span class="ruby-identifier">number</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-identifier">options</span>.<span class="ruby-identifier">symbolize_keys!</span>
<span class="ruby-identifier">defaults</span> = <span class="ruby-constant">I18n</span>.<span class="ruby-identifier">translate</span>(<span class="ruby-value str">'number.format'</span><span class="ruby-value str">'number.format'</span>, <span class="ruby-identifier">:locale</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:locale</span>], <span class="ruby-identifier">:raise</span> =<span class="ruby-operator">></span> <span class="ruby-keyword kw">true</span>) <span class="ruby-keyword kw">rescue</span> {}
<span class="ruby-identifier">precision_defaults</span> = <span class="ruby-constant">I18n</span>.<span class="ruby-identifier">translate</span>(<span class="ruby-value str">'number.precision.format'</span><span class="ruby-value str">'number.precision.format'</span>, <span class="ruby-identifier">:locale</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:locale</span>],
<span class="ruby-identifier">:raise</span> =<span class="ruby-operator">></span> <span class="ruby-keyword kw">true</span>) <span class="ruby-keyword kw">rescue</span> {}
<span class="ruby-identifier">defaults</span> = <span class="ruby-identifier">defaults</span>.<span class="ruby-identifier">merge</span>(<span class="ruby-identifier">precision_defaults</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">'number_with_precision takes an option hash '</span> <span class="ruby-operator">+</span>
<span class="ruby-value str">'instead of a separate precision argument.'</span>, <span class="ruby-identifier">caller</span>)
<span class="ruby-identifier">precision</span> = <span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">defaults</span>[<span class="ruby-identifier">:precision</span>]
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">precision</span> <span class="ruby-operator">||=</span> (<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:precision</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">defaults</span>[<span class="ruby-identifier">:precision</span>])
<span class="ruby-identifier">separator</span> <span class="ruby-operator">||=</span> (<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:separator</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">defaults</span>[<span class="ruby-identifier">:separator</span>])
<span class="ruby-identifier">delimiter</span> <span class="ruby-operator">||=</span> (<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:delimiter</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">defaults</span>[<span class="ruby-identifier">:delimiter</span>])
<span class="ruby-keyword kw">begin</span>
<span class="ruby-identifier">rounded_number</span> = (<span class="ruby-constant">Float</span>(<span class="ruby-identifier">number</span>) <span class="ruby-operator">*</span> (<span class="ruby-value">10</span> <span class="ruby-operator">**</span> <span class="ruby-identifier">precision</span>)).<span class="ruby-identifier">round</span>.<span class="ruby-identifier">to_f</span> <span class="ruby-operator">/</span> <span class="ruby-value">10</span> <span class="ruby-operator">**</span> <span class="ruby-identifier">precision</span>
<span class="ruby-identifier">number_with_delimiter</span>(<span class="ruby-node">"%01.#{precision}f"</span> <span class="ruby-operator">%</span> <span class="ruby-identifier">rounded_number</span>,
<span class="ruby-identifier">:separator</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">separator</span>,
<span class="ruby-identifier">:delimiter</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">delimiter</span>)
<span class="ruby-keyword kw">rescue</span>
<span class="ruby-identifier">number</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span></pre>
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distrib
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Mandriva
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2010.0
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i586
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contrib-release
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by-pkgid
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8b99df826c3b6cf56a1caaae5f931d50
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