Class: Fontist::Macos::Catalog::CatalogManager

Inherits:
Object
  • Object
show all
Defined in:
lib/fontist/macos/catalog/catalog_manager.rb

Overview

Manages macOS Font catalogs across different versions Provides discovery, version detection, and parser selection Catalogs are downloaded from Apple’s servers

Constant Summary collapse

CATALOG_URLS =

Catalog URLs for different versions

{
  3 => "https://mesu.apple.com/assets/macos/com_apple_MobileAsset_Font3/com_apple_MobileAsset_Font3.xml",
  4 => "https://mesu.apple.com/assets/macos/com_apple_MobileAsset_Font4/com_apple_MobileAsset_Font4.xml",
  5 => "https://mesu.apple.com/assets/macos/com_apple_MobileAsset_Font5/com_apple_MobileAsset_Font5.xml",
  6 => "https://mesu.apple.com/assets/macos/com_apple_MobileAsset_Font6/com_apple_MobileAsset_Font6.xml",
  7 => "https://mesu.apple.com/assets/macos/com_apple_MobileAsset_Font7/com_apple_MobileAsset_Font7.xml",
  8 => "https://mesu.apple.com/assets/macos/com_apple_MobileAsset_Font8/com_apple_MobileAsset_Font8.xml",
}.freeze

Class Method Summary collapse

Class Method Details

.all_assets ⇒ Object 



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 120

def all_assets
  available_catalogs.flat_map do |catalog_path|
    parser_for(catalog_path).assets
  end
end

.available_catalogs ⇒ Object 



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 28

def available_catalogs
  downloaded_catalogs
end

.catalog_cache_path ⇒ Object

Get path to catalog cache directory



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 33

def catalog_cache_path
  @catalog_cache_path ||= Fontist.fontist_version_path.join("macos_catalogs").tap do |path|
    FileUtils.mkdir_p(path) unless path.exist?
  end
end

.catalog_for_version(version) ⇒ Object 



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 130

def catalog_for_version(version)
  catalog = available_catalogs.find do |path|
    path.include?("Font#{version}")
  end

  # If catalog not found locally or in cache, download it
  catalog ||= download_catalog(version)

  catalog
end

.detect_version(catalog_path) ⇒ Object 



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 107

def detect_version(catalog_path)
  # Extract version from directory name or filename
  # e.g., /path/com_apple_MobileAsset_Font7/file.xml -> 7
  match = catalog_path.match(/Font(\d+)/)

  unless match
    raise ArgumentError,
          "Cannot detect version from: #{catalog_path}"
  end

  match[1].to_i
end

.download_catalog(version, cache_path: nil) ⇒ Object

Download a catalog for a specific version if not already cached



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 40

def download_catalog(version, cache_path: nil)
  cache_dir = cache_path || catalog_cache_path

  # Check if catalog is already cached
  cached_catalog = Dir.glob("#{cache_dir}/com_apple_MobileAsset_Font#{version}/*.xml").first
  return cached_catalog if cached_catalog

  # Download the catalog
  url = CATALOG_URLS[version]
  unless url
    raise ArgumentError,
          "Unsupported Font catalog version: #{version}. Supported versions: 3, 4, 5, 6, 7, 8"
  end

  version_dir = File.join(cache_dir,
                          "com_apple_MobileAsset_Font#{version}")
  FileUtils.mkdir_p(version_dir)

  catalog_file = File.join(version_dir,
                           File.basename(URI.parse(url).path))

  Fontist.ui.say("Downloading Font#{version} catalog from #{url}...") if Fontist.ui.respond_to?(:say)

  URI(url).open(
    "User-Agent" => "Fontist/#{Fontist::VERSION}",
  ) do |response|
    File.write(catalog_file, response.read)
  end

  catalog_file
rescue ArgumentError
  # Re-raise ArgumentError (unsupported version) as-is
  raise
rescue StandardError => e
  # For other errors (network issues, etc.), return nil
  Fontist.ui.error("Failed to download Font#{version} catalog: #{e.message}") if Fontist.ui.respond_to?(:error)
  nil
end

.downloaded_catalogs ⇒ Object

Get all downloaded catalogs from cache



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 80

def downloaded_catalogs
  Dir.glob("#{catalog_cache_path}/com_apple_MobileAsset_Font*/*.xml").sort
end

.latest_catalog ⇒ Object 



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 126

def latest_catalog
  available_catalogs.last
end

.parser_for(catalog_path) ⇒ Object 



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# File 'lib/fontist/macos/catalog/catalog_manager.rb', line 84

def parser_for(catalog_path)
  version = detect_version(catalog_path)

  case version
  when 3
    Font3Parser.new(catalog_path)
  when 4
    Font4Parser.new(catalog_path)
  when 5
    Font5Parser.new(catalog_path)
  when 6
    Font6Parser.new(catalog_path)
  when 7
    Font7Parser.new(catalog_path)
  when 8
    Font8Parser.new(catalog_path)
  else
    raise ArgumentError,
          "Unsupported Font catalog version: #{version}. " \
          "Supported versions: 3, 4, 5, 6, 7, 8"
  end
end