Class: PHPRB::Compiler

Inherits:
Object show all
Defined in:
lib/web/phprb.rb

Defined Under Namespace

Classes: Buffer, PercentLine, Scanner

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(xml_mode = nil) ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/web/phprb.rb', line 226

def initialize(xml_mode=nil)
  @xml_mode = xml_mode
  @put_cmd = 'Web::print'
  @pre_cmd = []
  @post_cmd = []
end

Instance Attribute Details

#post_cmd ⇒ Object

Returns the value of attribute post_cmd.



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# File 'lib/web/phprb.rb', line 232

def post_cmd
  @post_cmd
end

#pre_cmd ⇒ Object

Returns the value of attribute pre_cmd.



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# File 'lib/web/phprb.rb', line 232

def pre_cmd
  @pre_cmd
end

#put_cmd ⇒ Object

Returns the value of attribute put_cmd.



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# File 'lib/web/phprb.rb', line 232

def put_cmd
  @put_cmd
end

Instance Method Details

#compile(s) ⇒ Object 



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# File 'lib/web/phprb.rb', line 129

def compile(s)
  out = Buffer.new(self)

  content = ''
  scanner = make_scanner(s)
  scanner.scan do |token|
    if scanner.stag.nil?
      case token
      when PercentLine
        out.push("#{@put_cmd} #{content.dump}") if content.size > 0
        content = ''
        out.push(token.to_s)
        out.cr
      when :cr
        out.cr
      when '<?', '<?=', '<!---', '<?ruby', '<?ruby='
        scanner.stag = token
        out.push("#{@put_cmd} #{content.dump}") if content.size > 0
        content = ''
      when "\n"
        content << "\n"
        out.push("#{@put_cmd} #{content.dump}")
        out.cr
        content = ''
      when '<??'
        content << '<?'
      else
        content << token
      end
    else
      # comments should include everything inside themselves
      if scanner.stag == '<!---' && token != '--->'
        content << token
      else
        case token
        when '--->'
          scanner.stag = nil
          content = ''
          # out.push("# #{content.dump}")
        when '?>'
          case scanner.stag
          when '<?', '<?ruby'
            if content[-1] == ?\n
              content.chop!
              out.push(content)
              out.cr
            else
              out.push(content)
            end
          when '<?=', '<?ruby='
            out.push("#{@put_cmd}((#{content}).to_s)")
            #when '<?--'
            # out.push("# #{content.dump}")
          end
          scanner.stag = nil
          content = ''
        when '??>'
          content << '?>'
        else
          content << token
        end
      end
    end
  end
  out.push("#{@put_cmd} #{content.dump}") if content.size > 0
  out.close
  out.script
end

#make_scanner(src) ⇒ Object 



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# File 'lib/web/phprb.rb', line 222

def make_scanner(src)
  Scanner.new(src, @xml_mode)
end

#prepare_trim_mode(mode) ⇒ Object 



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# File 'lib/web/phprb.rb', line 198

def prepare_trim_mode(mode)
  case mode
  when 1
    return [false, '>']
  when 2
    return [false, '<>']
  when 0
    return [false, nil]
  when String
    perc = mode.include?('?')
    if mode.include?('-')
      return [perc, '-']
    elsif mode.include?('<>')
      return [perc, '<>']
    elsif mode.include?('>')
      return [perc, '>']
    else
      [perc, nil]
    end
  else
    return [false, nil]
  end
end