<?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>parse (Character)</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/core/character.rb, line 53</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">parse</span>(<span class="ruby-identifier">m</span>) <span class="ruby-ivar">@account</span>.<span class="ruby-identifier">prompt</span> <span class="ruby-comment cmt"># handle edit mode</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@mode</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:edit</span> <span class="ruby-identifier">edit_parser</span> <span class="ruby-identifier">m</span> <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">end</span> <span class="ruby-comment cmt"># match legal command</span> <span class="ruby-identifier">m</span><span class="ruby-operator">=~</span><span class="ruby-regexp re">/([A-Za-z0-9_@?"'#!\]\[]+)(.*)/</span> <span class="ruby-identifier">cmd</span>=<span class="ruby-identifier">$1</span> <span class="ruby-identifier">arg</span>=<span class="ruby-identifier">$2</span> <span class="ruby-identifier">arg</span>.<span class="ruby-identifier">strip!</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">arg</span> <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">cmd</span> <span class="ruby-identifier">sendto</span>(<span class="ruby-value str">"Huh?"</span>) <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">end</span> <span class="ruby-comment cmt"># look for a command in our spanking new table</span> <span class="ruby-identifier">c</span> = <span class="ruby-identifier">world</span>.<span class="ruby-identifier">cmds</span>.<span class="ruby-identifier">find</span>(<span class="ruby-identifier">cmd</span>) <span class="ruby-comment cmt"># add any exits to our command list</span> <span class="ruby-comment cmt"># escape certain characters in cmd</span> <span class="ruby-identifier">check</span> = <span class="ruby-identifier">cmd</span>.<span class="ruby-identifier">gsub</span>(<span class="ruby-regexp re">/\?/</span>,<span class="ruby-value str">"\\?"</span>) <span class="ruby-identifier">check</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/\#/</span>,<span class="ruby-value str">"\\#"</span>) <span class="ruby-identifier">check</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/\[/</span>,<span class="ruby-value str">"\\["</span>) <span class="ruby-identifier">check</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/\]/</span>,<span class="ruby-value str">"\\]"</span>) <span class="ruby-identifier">get_object</span>(<span class="ruby-identifier">location</span>).<span class="ruby-identifier">exits</span>.<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">grep</span>(<span class="ruby-node">/^#{check}/</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">ex</span><span class="ruby-operator">|</span> <span class="ruby-identifier">c</span> <span class="ruby-operator"><<</span> <span class="ruby-constant">Command</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">:cmd_go</span>,<span class="ruby-node">"go #{ex}"</span>,<span class="ruby-keyword kw">nil</span>) <span class="ruby-identifier">arg</span> = <span class="ruby-identifier">ex</span> <span class="ruby-keyword kw">end</span> <span class="ruby-identifier">log</span>.<span class="ruby-identifier">debug</span> <span class="ruby-node">"parse commands - '#{c.inspect}', arguments - '#{arg}'"</span> <span class="ruby-comment cmt"># there are three possibilities here</span> <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">size</span> <span class="ruby-keyword kw">when</span> <span class="ruby-value">0</span> <span class="ruby-comment cmt"># no commands found</span> <span class="ruby-identifier">sendto</span>(<span class="ruby-value str">"Huh?"</span>) <span class="ruby-keyword kw">when</span> <span class="ruby-value">1</span> <span class="ruby-comment cmt"># command found</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">c</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">cmd</span>, <span class="ruby-identifier">arg</span>) <span class="ruby-keyword kw">else</span> <span class="ruby-comment cmt"># ambiguous command - tell luser about them.</span> <span class="ruby-identifier">ln</span> = <span class="ruby-value str">"Which did you mean, "</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">ln</span> <span class="ruby-operator">+=</span> <span class="ruby-value str">"\'"</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">name</span> <span class="ruby-operator">+</span> <span class="ruby-value str">"\'"</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">name</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">last</span>.<span class="ruby-identifier">name</span> <span class="ruby-value">? </span><span class="ruby-identifier">ln</span> <span class="ruby-operator">+=</span> <span class="ruby-value str">"?"</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">ln</span> <span class="ruby-operator">+=</span> <span class="ruby-value str">" or "</span> <span class="ruby-keyword kw">end</span> <span class="ruby-identifier">sendto</span>(<span class="ruby-identifier">ln</span>) <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span> <span class="ruby-comment cmt"># keep character alive after exceptions</span> <span class="ruby-identifier">log</span>.<span class="ruby-identifier">fatal</span> <span class="ruby-identifier">$!</span> <span class="ruby-keyword kw">end</span></pre> </body> </html>