Module: Kwartz::RubyExpressionParser

Included in:
ErubisTranslator, ErubyTranslator, PIErubisTranslator, RailsTranslator, RubyHandler, RubyTranslator
Defined in:
lib/kwartz/binding/ruby.rb

Instance Method Summary collapse

Instance Method Details

#parse_expr_str(expr_str, linenum) ⇒ Object 



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# File 'lib/kwartz/binding/ruby.rb', line 18

def parse_expr_str(expr_str, linenum)
  case expr_str
  when /\A(\w+)\z/             # variable
    expr = expr_str
  when /\A(\w+)\.(\w+)\z/      # object.property
    expr = expr_str
  when /\A(\w+)\[('.*?'|".*?"|:\w+)\]\z/   # hash
    expr = expr_str
  when /\A(\w+)\[(\w+)\]\z/    # array or hash
    expr = expr_str
  else
    raise convert_error("'#{expr_str}': invalid expression.", linenum)
  end
  return expr
end

#parse_expr_str!(expr_str) ⇒ Object 



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# File 'lib/kwartz/binding/ruby.rb', line 35

def parse_expr_str!(expr_str)
  begin
    return parse_expr_str!(expr_str, -1)
  rescue
    return expr_str
  end
end