Top Level Namespace

Defined Under Namespace

Modules: RBeautify

Instance Method Summary collapse

Instance Method Details

#addLine(line, tab) ⇒ Object 



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# File 'lib/beautifier.rb', line 57

def addLine(line,tab)
  line.strip!
  line = makeTab(tab)+line if line.length > 0
  line + "\n"
end

#beautifyRuby(contents) ⇒ Object 



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# File 'lib/beautifier.rb', line 63

def beautifyRuby(contents)
  commentBlock = false
  programEnd = false
  multiLineArray = Array.new
  multiLineStr = ""
  tab = 0
  source = contents
  dest = ""
  source.split("\n").each do |line|
    if(!programEnd)
      # detect program end mark
      if(line =~ /^__END__$/)
        programEnd = true
      else
        # combine continuing lines
        if(!(line =~ /^\s*#/) && line =~ /[^\\]\\\s*$/)
          multiLineArray.push line
          multiLineStr += line.sub(/^(.*)\\\s*$/,"\\1")
          next
        end

        # add final line
        if(multiLineStr.length > 0)
          multiLineArray.push line
          multiLineStr += line.sub(/^(.*)\\\s*$/,"\\1")
        end

        tline = ((multiLineStr.length > 0)?multiLineStr:line).strip
        if(tline =~ /^=begin/)
          commentBlock = true
        end
      end
    end
    if(commentBlock || programEnd)
      # add the line unchanged
      dest += line + "\n"
    else
      commentLine = (tline =~ /^#/)
      if(!commentLine)
        # throw out sequences that will
        # only sow confusion
        while tline.gsub!(/'.*?'/,"")
        end
        while tline.gsub!(/".*?"/,"")
        end
        while tline.gsub!(/\`.*?\`/,"")
        end
        while tline.gsub!(/\{[^\{]*?\}/,"")
        end
        while tline.gsub!(/\([^\(]*?\)/,"")
        end
        while tline.gsub!(/\/.*?\//,"")
        end
        while tline.gsub!(/%r(.).*?\1/,"")
        end
        tline.gsub!(/\\\"/,"'")
        @outdentExp.each do |re|
          if(tline =~ re)
            tab -= 1
            break
          end
        end
      end
      if (multiLineArray.length > 0)
        multiLineArray.each do |ml|
          dest += addLine(ml,tab)
        end
        multiLineArray.clear
        multiLineStr = ""
      else
        dest += addLine(line,tab)
      end
      if(!commentLine)
        @indentExp.each do |re|
          if(tline =~ re && !(tline =~ /\s+end\s*$/))
            tab += 1
            break
          end
        end
      end
    end
    if(tline =~ /^=end/)
      commentBlock = false
    end
  end
  STDOUT.write(dest)
  # uncomment this to complain about mismatched blocks
  # if(tab != 0)
  #   STDERR.puts "#{path}: Indentation error: #{tab}"
  # end
end

#makeTab(tab) ⇒ Object 



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# File 'lib/beautifier.rb', line 53

def makeTab(tab)
  (tab < 0) ? "" : @tabStr * @tabSize * tab
end