<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>add_on_empty (ActiveRecord::Errors)</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" /> </head> <body class="standalone-code"> <pre><span class="ruby-comment cmt"># File lib/active_record/validations.rb, line 169</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">add_on_empty</span>(<span class="ruby-identifier">attributes</span>, <span class="ruby-identifier">custom_message</span> = <span class="ruby-keyword kw">nil</span>) <span class="ruby-keyword kw">for</span> <span class="ruby-identifier">attr</span> <span class="ruby-keyword kw">in</span> [<span class="ruby-identifier">attributes</span>].<span class="ruby-identifier">flatten</span> <span class="ruby-identifier">value</span> = <span class="ruby-ivar">@base</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">attr</span>.<span class="ruby-identifier">to_s</span>) <span class="ruby-operator">?</span> <span class="ruby-ivar">@base</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">attr</span>.<span class="ruby-identifier">to_s</span>) <span class="ruby-operator">:</span> <span class="ruby-ivar">@base</span>[<span class="ruby-identifier">attr</span>.<span class="ruby-identifier">to_s</span>] <span class="ruby-identifier">is_empty</span> = <span class="ruby-identifier">value</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">:empty?</span>) <span class="ruby-operator">?</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-operator">:</span> <span class="ruby-keyword kw">false</span> <span class="ruby-identifier">add</span>(<span class="ruby-identifier">attr</span>, <span class="ruby-identifier">:empty</span>, <span class="ruby-identifier">:default</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">custom_message</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-operator">!</span><span class="ruby-identifier">value</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span><span class="ruby-identifier">is_empty</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">end</span></pre> </body> </html>