Class: SCSSLint::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/scss_lint/engine.rb

Overview

Contains all information for a parsed SCSS file, including its name, contents, and parse tree.

Constant Summary collapse

ENGINE_OPTIONS =
{ cache: false, syntax: :scss }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(scss_or_filename) ⇒ Engine


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# File 'lib/scss_lint/engine.rb', line 13

def initialize(scss_or_filename)
  if File.exist?(scss_or_filename)
    @filename = scss_or_filename
    @engine = Sass::Engine.for_file(scss_or_filename, ENGINE_OPTIONS)
    @contents = File.open(scss_or_filename, 'r').read
  else
    @engine = Sass::Engine.new(scss_or_filename, ENGINE_OPTIONS)
    @contents = scss_or_filename
  end

  @lines = @contents.lines.to_a # Need `to_a` for Ruby 1.9.3
  @tree = @engine.to_tree
rescue Encoding::UndefinedConversionError, Sass::SyntaxError => error
  if error.is_a?(Encoding::UndefinedConversionError) ||
     error.message.match(/invalid.*(byte sequence|character)/i)
    raise FileEncodingError,
          "Unable to parse SCSS file: #{error}",
          error.backtrace
  else
    raise
  end
end

Instance Attribute Details

#contentsObject (readonly)

Returns the value of attribute contents


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# File 'lib/scss_lint/engine.rb', line 11

def contents
  @contents
end

#filenameObject (readonly)

Returns the value of attribute filename


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# File 'lib/scss_lint/engine.rb', line 11

def filename
  @filename
end

#linesObject (readonly)

Returns the value of attribute lines


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# File 'lib/scss_lint/engine.rb', line 11

def lines
  @lines
end

#treeObject (readonly)

Returns the value of attribute tree


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# File 'lib/scss_lint/engine.rb', line 11

def tree
  @tree
end