Class: Fontisan::Ufo::Compile::FeatureWriters::Base

Inherits:

Object

• Object
• Fontisan::Ufo::Compile::FeatureWriters::Base

Defined in:

lib/fontisan/ufo/compile/feature_writers/base.rb

Overview

Abstract base class for feature writers. Concrete writers (Kern, Gdef, Mark, etc.) extend this and implement #write.

Direct Known Subclasses

Curs, Gdef, Kern, Kern2, MarkFamilyBase

Instance Attribute Summary

• #font ⇒ Object readonly

  Returns the value of attribute font.

Instance Method Summary

• #initialize(font) ⇒ Base constructor

  A new instance of Base.

• #write ⇒ FeatureOutput^?

  Structured data for the feature, or nil if the UFO has nothing for it.

Constructor Details

#initialize(font) ⇒ Base

Returns a new instance of Base.

Parameters:

• font (Fontisan::Ufo::Font) —

  the UFO source

# File 'lib/fontisan/ufo/compile/feature_writers/base.rb', line 43

def initialize(font)
  @font = font
end

Instance Attribute Details

#font ⇒ Object (readonly)

Returns the value of attribute font.

# File 'lib/fontisan/ufo/compile/feature_writers/base.rb', line 40

def font
  @font
end

Instance Method Details

#write ⇒ FeatureOutput^?

Returns structured data for the feature, or nil if the UFO has nothing for it.

Returns:

• (FeatureOutput, nil) —

  structured data for the feature, or nil if the UFO has nothing for it

Raises:

• (NotImplementedError)

# File 'lib/fontisan/ufo/compile/feature_writers/base.rb', line 49

def write
  raise NotImplementedError, "#{self.class} must implement #write"
end