Class: Arrolio::FontScanner

Inherits:
Object
  • Object
show all
Defined in:
lib/arrolio/font_scanner.rb

Overview

Scans font directories for TTF files and builds an index of family-name → file-path mappings using Fontisan to read each font's internal name tables. Used by ConfigDrivenPipeline to resolve font family names referenced by layout styles to actual TTF files on disk.

Constant Summary collapse

FONT_DIRECTORIES = 
[
  File.expand_path('~/.fontist/fonts'),
  '/Library/Fonts',
  '/System/Library/Fonts',
  File.expand_path('~/Library/Fonts')
].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(directories = FONT_DIRECTORIES) ⇒ FontScanner

Returns a new instance of FontScanner.



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# File 'lib/arrolio/font_scanner.rb', line 21

def initialize(directories = FONT_DIRECTORIES)
  @directories = directories
  @index = nil
end

Instance Attribute Details

#index ⇒ Object (readonly)

Returns the value of attribute index.



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# File 'lib/arrolio/font_scanner.rb', line 19

def index
  @index
end

Instance Method Details

#build_index ⇒ Object 



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# File 'lib/arrolio/font_scanner.rb', line 31

def build_index
  @index = {}
  @directories.each do |dir|
    scan_directory(dir)
  end
  @index
end

#resolve(font_name) ⇒ Object 



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# File 'lib/arrolio/font_scanner.rb', line 26

def resolve(font_name)
  build_index unless @index
  @index[font_name.to_s]
end