Class: Fontist::Import::Google::FormulaBuilders::BaseFormulaBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/fontist/import/google/formula_builders/base_formula_builder.rb

Overview

Base class for Google Fonts formula builders

Subclasses implement version-specific formula generation. Use FormulaBuilder.for_version(version) to get the appropriate builder.

Direct Known Subclasses

FormulaBuilderV4

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(family, github_index:, ttf_files:, woff2_files:) ⇒ BaseFormulaBuilder

Returns a new instance of BaseFormulaBuilder.



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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 14

def initialize(family, github_index:, ttf_files:, woff2_files:)
  @family = family
  @github_index = github_index
  @ttf_files = ttf_files
  @woff2_files = woff2_files
end

Instance Attribute Details

#family ⇒ Object (readonly)

Returns the value of attribute family.



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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 12

def family
  @family
end

#github_index ⇒ Object (readonly)

Returns the value of attribute github_index.



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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 12

def github_index
  @github_index
end

#ttf_files ⇒ Object (readonly)

Returns the value of attribute ttf_files.



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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 12

def ttf_files
  @ttf_files
end

#woff2_files ⇒ Object (readonly)

Returns the value of attribute woff2_files.



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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 12

def woff2_files
  @woff2_files
end

Class Method Details

.for_version(version) ⇒ Object

Get the appropriate builder class for a version



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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 79

def self.for_version(version)
  case version
  when 4
    FormulaBuilderV4
  when 5
    FormulaBuilderV5
  else
    raise ArgumentError, "Unknown formula version: #{version}"
  end
end

Instance Method Details

#build ⇒ Object

Build formula hash for the family Subclasses must implement this method

Raises:

  • (NotImplementedError) 


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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 23

def build
  raise NotImplementedError, "Subclasses must implement #build"
end

#version ⇒ Object

Version number for this builder Subclasses must implement this method

Raises:

  • (NotImplementedError) 


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# File 'lib/fontist/import/google/formula_builders/base_formula_builder.rb', line 29

def version
  raise NotImplementedError, "Subclasses must implement #version"
end