Class: PHPRB::Compiler

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

Defined Under Namespace

Classes: Buffer, PercentLine, Scanner, SimpleScanner, TrimScanner

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(trim_mode) ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/web/phprb.rb', line 380

def initialize(trim_mode)
  @percent, @trim_mode = prepare_trim_mode(trim_mode)
  @put_cmd = 'print'
  @pre_cmd = []
  @post_cmd = []
end

Instance Attribute Details

#percent ⇒ Object (readonly)

Returns the value of attribute percent.



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# File 'lib/web/phprb.rb', line 386

def percent
  @percent
end

#post_cmd ⇒ Object

Returns the value of attribute post_cmd.



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# File 'lib/web/phprb.rb', line 387

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 387

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 387

def put_cmd
  @put_cmd
end

#trim_mode ⇒ Object (readonly)

Returns the value of attribute trim_mode.



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# File 'lib/web/phprb.rb', line 386

def trim_mode
  @trim_mode
end

Instance Method Details

#compile(s) ⇒ Object 



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# File 'lib/web/phprb.rb', line 288

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 '<?', '<?=', '<?#', '<%', '<%=', '<%#'
 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 << '<%'
	  when '<??'
 content << '<?'
	  else
 content << token
	  end
	else
	  case token
	  when '?>', '%>'
 case scanner.stag
 when '<?', '<%'
   if content[-1] == ?\n
		content.chop!
		out.push(content)
		out.cr
   else
		out.push(content)
   end
 when '<?=', '<%='
   out.push("#{@put_cmd}((#{content}).to_s)")
 when '<?#', '<%#'
   # out.push("# #{content.dump}")
 end
 scanner.stag = nil
 content = ''
	  when '%%>'
 content << '%>'
	  when '??>'
 content << '?>'
	  else
 content << token
	  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 376

def make_scanner(src)
  Scanner.make_scanner(src, @trim_mode, @percent)
end

#prepare_trim_mode(mode) ⇒ Object 



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# File 'lib/web/phprb.rb', line 352

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