Class: RBlade::CompilesStatements::CompilesProps

Inherits:
Object
  • Object
show all
Defined in:
lib/rblade/compiler/statements/compiles_props.rb

Instance Method Summary collapse

Instance Method Details

#compileProps(args) ⇒ Object 



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# File 'lib/rblade/compiler/statements/compiles_props.rb', line 6

def compileProps args
  if args.nil?
    raise StandardError.new "Props statement: wrong number of arguments (given #{args&.count}, expecting 1)"
  end

  props = extractProps args[0]
  props.map do |key, value|
    if value == "_required"
      "if !defined?(#{key})&&!attributes.has?(:'#{RBlade.escape_quotes(key)}');raise \"Props statement: #{key} is not defined\";end;#{key.sub(/[^a-zA-Z0-9_]/, "_")}=attributes.default(:'#{RBlade.escape_quotes(key)}');"
    else
      "#{key.sub(/[^a-zA-Z0-9_]/, "_")}=attributes.default(:'#{RBlade.escape_quotes(key)}',#{value});"
    end
  end.join
end

#extractProps(prop_string) ⇒ Object 



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# File 'lib/rblade/compiler/statements/compiles_props.rb', line 21

def extractProps prop_string
  if !prop_string.start_with?("{") || !prop_string.end_with?("}")
    raise StandardError.new "Props statement: expecting hash as parameter"
  end

  props = {}
  prop_strings = Tokenizer.extractCommaSeparatedValues prop_string[1..-2]

  prop_strings.each do |prop|
    prop.strip!

    key, value = prop.split(/^
      (?:
        ('.+'):
        |
        (".+"):
        |
        ([^ :]+):
        |
        :(?:
          '(.+?)'
          |
          "(.+?)"
          |
          ([^"' ]+)
        )\s*=>
      )
      \s*(.+?)$
    /x).reject(&:empty?)

    if key.nil? || value.nil?
      raise StandardError.new "Props statement: invalid property hash"
    end
    props[key] = value
  end

  props
end