Class: Fontist::SystemFont

Inherits:
Lutaml::Model::Serializable
  • Object
show all
Defined in:
lib/fontist/system_font.rb

Overview

TODO: This is actually a SystemIndex font entry

Class Method Summary collapse

Class Method Details

.disable_find_styles_cache ⇒ Object

Disable caching mode and clear the cache



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# File 'lib/fontist/system_font.rb', line 65

def self.disable_find_styles_cache
  @find_styles_cache = nil
  @find_styles_cache_enabled = false
end

.enable_find_styles_cache ⇒ Object

Enable caching mode for find_styles lookups This caches results during a single operation (e.g., manifest compilation) to avoid repeated index lookups



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# File 'lib/fontist/system_font.rb', line 59

def self.enable_find_styles_cache
  @find_styles_cache ||= {}
  @find_styles_cache_enabled = true
end

.expand_paths(paths) ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 31

def self.expand_paths(paths)
  paths.map do |path|
    require "etc"
    passwd = Etc.getpwuid
    username = passwd ? passwd.name : Etc.getlogin

    username ? path.gsub("{username}", username) : path
  end
end

.find(font) ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 75

def self.find(font)
  styles = find_styles(font)
  return unless styles

  styles.map(&:path)
end

.find_styles(font, style = nil) ⇒ Object

This returns a SystemIndexEntry



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# File 'lib/fontist/system_font.rb', line 83

def self.find_styles(font, style = nil)
  # Check cache first if enabled
  if @find_styles_cache_enabled
    cache_key = "#{font}:#{style}"
    cached = @find_styles_cache[cache_key]
    return cached.dup if cached
  end

  # Search across all three indexes
  results = []

  # Search fontist-managed fonts
  fontist_fonts = Fontist::Indexes::FontistIndex.instance.find(font, style)
  results.concat(fontist_fonts) if fontist_fonts

  # Search user location fonts
  user_fonts = Fontist::Indexes::UserIndex.instance.find(font, style)
  results.concat(user_fonts) if user_fonts

  # Search system fonts
  system_fonts = Fontist::Indexes::SystemIndex.instance.find(font, style)
  results.concat(system_fonts) if system_fonts

  # Remove duplicates by path and return
  return nil if results.empty?

  results = results.uniq(&:path)

  # Cache the result if caching is enabled
  if @find_styles_cache_enabled
    @find_styles_cache["#{font}:#{style}"] = results.dup
  end

  results
end

.font_paths ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 4

def self.font_paths
  system_font_paths + fontist_font_paths
end

.fontist_font_paths ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 41

def self.fontist_font_paths
  patterns = Fontist::Utils.font_file_patterns(Fontist.fonts_path.join("**").to_s)
  @fontist_font_paths ||= patterns.flat_map { |pattern| Dir.glob(pattern) }
end

.load_system_font_paths ⇒ Object

This detects all fonts on the system from the configuration file.



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# File 'lib/fontist/system_font.rb', line 13

def self.load_system_font_paths
  os = Fontist::Utils::System.user_os.to_s
  templates = system_config["system"][os]["paths"]
  patterns = expand_paths(templates)

  Dir.glob(patterns)
  # File::FNM_CASEFOLD is officially ignored -- see https://ruby-doc.org/core-3.1.1/Dir.html#method-c-glob
  # "Case sensitivity depends on your system"
end

.reset_find_styles_cache ⇒ Object

Reset the find styles cache



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# File 'lib/fontist/system_font.rb', line 71

def self.reset_find_styles_cache
  @find_styles_cache = nil
end

.reset_font_paths_cache ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 50

def self.reset_font_paths_cache
  reset_system_font_paths_cache
  reset_fontist_font_paths_cache
  reset_find_styles_cache
end

.reset_fontist_font_paths_cache ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 46

def self.reset_fontist_font_paths_cache
  @fontist_font_paths = nil
end

.reset_system_font_paths_cache ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 27

def self.reset_system_font_paths_cache
  @system_font_paths = nil
end

.system_config ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 23

def self.system_config
  YAML.load_file(Fontist.system_file_path)
end

.system_font_paths ⇒ Object 



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# File 'lib/fontist/system_font.rb', line 8

def self.system_font_paths
  @system_font_paths ||= load_system_font_paths
end