snippet_extractor.rb in picolena-0.1.6

- old
+ new

@@ -3,28 +3,28 @@
     module Formatter
       # This class extracts code snippets by looking at the backtrace of the passed error
       class SnippetExtractor #:nodoc:
         class NullConverter; def convert(code, pre); code; end; end #:nodoc:
         begin; require 'rubygems'; require 'syntax/convertors/html'; @@converter = Syntax::Convertors::HTML.for_syntax "ruby"; rescue LoadError => e; @@converter = NullConverter.new; end
-        
+
         def snippet(error)
           raw_code, line = snippet_for(error.backtrace[0])
           highlighted = @@converter.convert(raw_code, false)
           highlighted << "\n<span class=\"comment\"># gem install syntax to get syntax highlighting</span>" if @@converter.is_a?(NullConverter)
           post_process(highlighted, line)
         end
-        
+
         def snippet_for(error_line)
           if error_line =~ /(.*):(\d+)/
             file = $1
             line = $2.to_i
             [lines_around(file, line), line]
           else
             ["# Couldn't get snippet for #{error_line}", 1]
           end
         end
-        
+
         def lines_around(file, line)
           if File.file?(file)
             lines = File.open(file).read.split("\n")
             min = [0, line-3].max
             max = [line+1, lines.length-1].min
@@ -33,20 +33,20 @@
             lines[min..max].join("\n")
           else
             "# Couldn't get snippet for #{file}"
           end
         end
-        
+
         def post_process(highlighted, offending_line)
           new_lines = []
           highlighted.split("\n").each_with_index do |line, i|
             new_line = "<span class=\"linenum\">#{offending_line+i-2}</span>#{line}"
             new_line = "<span class=\"offending\">#{new_line}</span>" if i == 2
             new_lines << new_line
           end
           new_lines.join("\n")
         end
-        
+
       end
     end
   end
 end