Class: MiniCSS::Serializer

Inherits:
Object
  • Object
show all
Defined in:
lib/minicss/serializer.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ Serializer

Returns a new instance of Serializer.



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# File 'lib/minicss/serializer.rb', line 7

def initialize(root)
  @str = +""
  @root = root
end

Class Method Details

.serialize(root) ⇒ Object 



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# File 'lib/minicss/serializer.rb', line 5

def self.serialize(root) = new(root).css

Instance Method Details

#css ⇒ Object 



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# File 'lib/minicss/serializer.rb', line 70

def css
  serialize(@root)
  @str
end

#serialize(value) ⇒ Object 



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# File 'lib/minicss/serializer.rb', line 12

def serialize(value)
  case value
  when Array
    value.each { serialize(it) }
  when String
    @str << value
  when AST::Rule
    @str << (value.valid_selector? ? Sel.stringify(value.selector) : value.raw_selector) << "{"
    value.decls.each { serialize(it) }
    value.child_rules.each { serialize(it) }
    @str << "}"
  when AST::Decl
    @str << "#{value.name}:"
    value.value.each { serialize(it) }
    @str << (value.important? ? "!important" : "")
    @str << ";"
  when AST::Dimension
    @str << value.sign if value.sign
    @str << (value.type == :integer ? value.value.to_i : value.value.to_f).to_s
    @str << value.unit
  when AST::Percentage
    @str << value.sign if value.sign
    @str << (value.type == :integer ? value.value.to_i : value.value.to_f).to_s
    @str << "%"
  when AST::Number
    @str << value.sign if value.sign
    @str << (value.type == :integer ? value.value.to_i : value.value.to_f).to_s
  when AST::AtRule
    @str << "@" << value.name
    if value.prelude && !value.prelude.nil? && !value.prelude.empty?
      @str << " "
      value.prelude.each { serialize(it) }
    end

    if value.child_rules.empty?
      @str << ";"
    else
      @str << "{"
      value.child_rules.each { serialize(it) }
      @str << "}"
    end
  when AST::URL
    @str << "url(" << value.value << ")"
  when AST::Function
    @str << value.name << "("
    value.value.each { serialize(it) }
    @str << ")"
  when AST::Block
    @str << value.left_token
    value.value.each { serialize(it) }
    @str << value.right_token
  when AST::StringToken
    @str << value.quoting << (value.value || "") << value.quoting
  else
    raise "Unexpected element in serialization pipeline: #{value.class} #{value.inspect}"
  end
end