Class: CssCompare::CSS::Parser

Inherits:

Object

• Object
• CssCompare::CSS::Parser

Defined in:

lib/css_compare/css/parser.rb

Instance Method Summary

• #initialize(input) ⇒ Parser constructor

  A new instance of Parser.

• #parse ⇒ ::Sass::Tree::RootNode

  Parses a CSS project using the Sass parser.

Constructor Details

#initialize(input) ⇒ Parser

Returns a new instance of Parser.

Parameters:

• (File)

# File 'lib/css_compare/css/parser.rb', line 7

def initialize(input)
  @input = File.expand_path(input)
end

Instance Method Details

#parse ⇒ ::Sass::Tree::RootNode

Note:

The specified syntax is ‘:scss` because `:css` has been throwing syntax error on @charset directive.

Parses a CSS project using the Sass parser

Returns:

• (::Sass::Tree::RootNode)

# File 'lib/css_compare/css/parser.rb', line 18

def parse
  tree = ::Sass::Engine.new(
    File.read(@input),
    :syntax => :scss, :filename => File.expand_path(@input)
  ).to_tree
  ::Sass::Tree::Visitors::CheckNesting.visit(tree)
  ::Sass::Tree::Visitors::Perform.visit(tree)
end