Class: Kwartz::CssStyleParser

Inherits:
PresentationLogicParser show all
Defined in:
lib/kwartz/parser.rb

Overview

css style presentation logic parser

example of presentation logic in css style:

// comment
#list {
  value:   @var;
  attrs:   "class" @classname, "bgcolro" color;
  append:  @value==item['list'] ? ' checked' : '';
  logic:   {
    @list.each { |item|
      _stag
      _cont
      _etag
    }
  }
}

Constant Summary

Constants inherited from PresentationLogicParser

PresentationLogicParser::ESCAPE_FLAG_TABLE, PresentationLogicParser::PLOGIC_KEYWORDS

Instance Attribute Summary

Attributes inherited from PresentationLogicParser

#column, #error, #linenum, #pos, #token, #value

Instance Method Summary collapse

Methods inherited from PresentationLogicParser

#escape?, get_class, #getch, #initialize, #parse_error, register_class, #scan, #scan_block, #scan_ident, #scan_line, #scan_string, #scan_string_dquoted, #scan_string_quoted

Methods included from Assertion

assert

Methods included from CharacterType

#is_alpha, #is_digit, #is_identchar, #is_whitespace

Constructor Details

This class inherits a constructor from Kwartz::PresentationLogicParser

Instance Method Details

#parse(input, filename = '') ⇒ Object 



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# File 'lib/kwartz/parser.rb', line 603

def parse(input, filename='')
  reset(input, filename)
  scan()
  rulesets = []
  while @token == ?@
    c = getch();
    scan_ident()
    name = @value
    if name == 'import'
      imported_rulesets = parse_import_command()
      rulesets += imported_rulesets
    else
      raise parse_error("@#{name}: unsupported command.")
    end
  end
  while @token == ?#
    scan_ident()
    name = @value
    if name == 'DOCUMENT'
      rulesets << parse_document_ruleset()
    else
      rulesets += parse_element_ruleset()
    end
  end
  unless @token == nil
    raise parse_error("'#{@value}': '#name' is expected.")
  end
  return rulesets
end