Make Frontmatter a class-based extension to simplify file
This commit is contained in:
Thomas Reynolds
parent
5104579623
commit
950aace674
5 changed files with 206 additions and 201 deletions
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@ -38,6 +38,7 @@ module Middleman
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# @private
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def registered(app)
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app.define_hook :initialized
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app.define_hook :instance_available
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app.define_hook :after_configuration
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app.define_hook :before_configuration
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app.define_hook :build_config
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@ -69,15 +70,19 @@ module Middleman
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# @param [Hash] options Per-extension options hash
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# @return [void]
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def register(extension, options={}, &block)
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extend extension
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if extension.respond_to?(:registered)
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if extension.method(:registered).arity === 1
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extension.registered(self, &block)
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else
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extension.registered(self, options, &block)
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if extension.instance_of?(Class) && extension.ancestors.include?(::Middleman::Extension)
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extension.new(self, options, &block)
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else
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extend extension
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if extension.respond_to?(:registered)
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if extension.method(:registered).arity === 1
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extension.registered(self, &block)
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else
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extension.registered(self, options, &block)
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end
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end
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extension
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end
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extension
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end
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end
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@ -133,11 +138,12 @@ module Middleman
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super
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self.class.inst = self
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run_hook :before_configuration
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# Search the root of the project for required files
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$LOAD_PATH.unshift(root)
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run_hook :initialized
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if config[:autoload_sprockets]
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begin
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require "middleman-sprockets"
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@ -146,6 +152,8 @@ module Middleman
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end
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end
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run_hook :before_configuration
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# Check for and evaluate local configuration
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local_config = File.join(root, "config.rb")
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if File.exists? local_config
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@ -156,7 +164,7 @@ module Middleman
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run_hook :build_config if build?
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run_hook :development_config if development?
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run_hook :initialized
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run_hook :instance_available
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# This is for making the tests work - since the tests
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# don't completely reload middleman, I18n.load_path can get
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@ -1,187 +1,55 @@
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require "active_support/core_ext/hash/keys"
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require 'pathname'
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# Parsing YAML frontmatter
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require "yaml"
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# Parsing JSON frontmatter
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require "active_support/json"
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# Extensions namespace
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module Middleman::CoreExtensions
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# Frontmatter namespace
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module FrontMatter
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class FrontMatter < ::Middleman::Extension
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# Setup extension
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class << self
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YAML_ERRORS = [ StandardError ]
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# Once registered
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def registered(app)
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# Parsing YAML frontmatter
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require "yaml"
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# Parsing JSON frontmatter
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require "active_support/json"
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app.send :include, InstanceMethods
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app.before_configuration do
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files.changed { |file| frontmatter_manager.clear_data(file) }
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files.deleted { |file| frontmatter_manager.clear_data(file) }
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end
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app.after_configuration do
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::Middleman::Sitemap::Resource.send :include, ResourceInstanceMethods
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ignore %r{\.frontmatter$}
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sitemap.provides_metadata do |path|
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fmdata = frontmatter_manager.data(path).first || {}
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data = {}
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[:layout, :layout_engine].each do |opt|
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data[opt] = fmdata[opt] unless fmdata[opt].nil?
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end
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{ :options => data, :page => ::Middleman::Util.recursively_enhance(fmdata).freeze }
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end
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end
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end
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alias :included :registered
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# https://github.com/tenderlove/psych/issues/23
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if defined?(Psych) && defined?(Psych::SyntaxError)
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YAML_ERRORS << Psych::SyntaxError
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end
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class FrontmatterManager
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attr_reader :app
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delegate :logger, :to => :app
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def initialize(app, options_hash={}, &block)
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super
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def initialize(app)
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@app = app
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@cache = {}
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end
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@cache = {}
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end
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def data(path)
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p = normalize_path(path)
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@cache[p] ||= begin
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file_data, content = frontmatter_and_content(p)
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def before_configuration
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ext = self
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app.files.changed { |file| ext.clear_data(file) }
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app.files.deleted { |file| ext.clear_data(file) }
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end
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if @app.files.exists?("#{path}.frontmatter")
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external_data, _ = frontmatter_and_content("#{p}.frontmatter")
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def after_configuration
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app.extensions[:frontmatter] = self
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app.ignore %r{\.frontmatter$}
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[
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external_data.deep_merge(file_data),
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content
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]
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else
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[file_data, content]
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end
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end
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end
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::Middleman::Sitemap::Resource.send :include, ResourceInstanceMethods
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def clear_data(file)
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# Copied from Sitemap::Store#file_to_path, but without
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# removing the file extension
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file = File.join(@app.root, file)
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prefix = @app.source_dir.sub(/\/$/, "") + "/"
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return unless file.include?(prefix)
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path = file.sub(prefix, "").sub(/\.frontmatter$/, "")
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@cache.delete(path)
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end
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YAML_ERRORS = [ StandardError ]
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# https://github.com/tenderlove/psych/issues/23
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if defined?(Psych) && defined?(Psych::SyntaxError)
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YAML_ERRORS << Psych::SyntaxError
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end
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# Parse YAML frontmatter out of a string
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# @param [String] content
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# @return [Array<Hash, String>]
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def parse_yaml_front_matter(content)
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yaml_regex = /\A(---\s*\n.*?\n?)^(---\s*$\n?)/m
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if content =~ yaml_regex
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content = content.sub(yaml_regex, "")
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begin
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data = YAML.load($1) || {}
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data = data.symbolize_keys
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rescue *YAML_ERRORS => e
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logger.error "YAML Exception: #{e.message}"
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return false
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end
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else
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return false
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end
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[data, content]
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rescue
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[{}, content]
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end
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def parse_json_front_matter(content)
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json_regex = /\A(;;;\s*\n.*?\n?)^(;;;\s*$\n?)/m
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if content =~ json_regex
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content = content.sub(json_regex, "")
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begin
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json = ($1+$2).sub(";;;", "{").sub(";;;", "}")
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data = ActiveSupport::JSON.decode(json).symbolize_keys
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rescue => e
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logger.error "JSON Exception: #{e.message}"
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return false
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end
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else
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return false
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end
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[data, content]
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rescue
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[{}, content]
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end
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# Get the frontmatter and plain content from a file
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# @param [String] path
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# @return [Array<Thor::CoreExt::HashWithIndifferentAccess, String>]
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def frontmatter_and_content(path)
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full_path = if Pathname(path).relative?
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File.join(@app.source_dir, path)
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else
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path
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end
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app.sitemap.provides_metadata do |path|
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fmdata = data(path).first || {}
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data = {}
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content = nil
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return [data, content] unless @app.files.exists?(full_path)
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if !::Middleman::Util.binary?(full_path)
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content = File.read(full_path)
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begin
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if content =~ /\A.*coding:/
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lines = content.split(/\n/)
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lines.shift
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content = lines.join("\n")
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end
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if result = parse_yaml_front_matter(content)
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data, content = result
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elsif result = parse_json_front_matter(content)
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data, content = result
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end
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rescue
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# Probably a binary file, move on
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end
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[:layout, :layout_engine].each do |opt|
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data[opt] = fmdata[opt] unless fmdata[opt].nil?
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end
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[data, content]
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end
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def normalize_path(path)
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path.sub(%r{^#{@app.source_dir}\/}, "")
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{ :options => data, :page => ::Middleman::Util.recursively_enhance(fmdata).freeze }
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end
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end
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module ResourceInstanceMethods
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def ignored?
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if !proxy? && raw_data[:ignored] == true
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true
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@ -195,7 +63,7 @@ module Middleman::CoreExtensions
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# @private
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# @return [Hash]
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def raw_data
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app.frontmatter_manager.data(source_file).first
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app.extensions[:frontmatter].data(source_file).first
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end
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# This page's frontmatter
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@ -217,19 +85,132 @@ module Middleman::CoreExtensions
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end
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end
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module InstanceMethods
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# Access the Frontmatter API
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def frontmatter_manager
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@_frontmatter_manager ||= FrontmatterManager.new(self)
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end
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helpers do
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# Get the template data from a path
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# @param [String] path
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# @return [String]
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def template_data_for_file(path)
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frontmatter_manager.data(path).last
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extensions[:frontmatter].data(path).last
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end
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end
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def data(path)
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p = normalize_path(path)
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@cache[p] ||= begin
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file_data, content = frontmatter_and_content(p)
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if app.files.exists?("#{path}.frontmatter")
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external_data, _ = frontmatter_and_content("#{p}.frontmatter")
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[
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external_data.deep_merge(file_data),
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content
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]
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else
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[file_data, content]
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end
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end
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end
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def clear_data(file)
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# Copied from Sitemap::Store#file_to_path, but without
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# removing the file extension
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file = File.join(app.root, file)
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prefix = app.source_dir.sub(/\/$/, "") + "/"
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return unless file.include?(prefix)
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path = file.sub(prefix, "").sub(/\.frontmatter$/, "")
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@cache.delete(path)
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end
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private
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# Parse YAML frontmatter out of a string
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# @param [String] content
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# @return [Array<Hash, String>]
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def parse_yaml_front_matter(content)
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yaml_regex = /\A(---\s*\n.*?\n?)^(---\s*$\n?)/m
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if content =~ yaml_regex
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content = content.sub(yaml_regex, "")
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begin
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data = YAML.load($1) || {}
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data = data.symbolize_keys
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rescue *YAML_ERRORS => e
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app.logger.error "YAML Exception: #{e.message}"
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return false
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end
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else
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return false
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end
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[data, content]
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rescue
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[{}, content]
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end
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def parse_json_front_matter(content)
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json_regex = /\A(;;;\s*\n.*?\n?)^(;;;\s*$\n?)/m
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if content =~ json_regex
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content = content.sub(json_regex, "")
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begin
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json = ($1+$2).sub(";;;", "{").sub(";;;", "}")
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data = ActiveSupport::JSON.decode(json).symbolize_keys
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rescue => e
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app.logger.error "JSON Exception: #{e.message}"
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return false
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end
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else
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return false
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end
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[data, content]
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rescue
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[{}, content]
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end
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# Get the frontmatter and plain content from a file
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# @param [String] path
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# @return [Array<Thor::CoreExt::HashWithIndifferentAccess, String>]
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def frontmatter_and_content(path)
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full_path = if Pathname(path).relative?
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File.join(app.source_dir, path)
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else
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path
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end
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data = {}
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content = nil
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return [data, content] unless app.files.exists?(full_path)
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if !::Middleman::Util.binary?(full_path)
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content = File.read(full_path)
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begin
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if content =~ /\A.*coding:/
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lines = content.split(/\n/)
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lines.shift
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content = lines.join("\n")
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end
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if result = parse_yaml_front_matter(content)
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data, content = result
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elsif result = parse_json_front_matter(content)
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data, content = result
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end
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rescue
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# Probably a binary file, move on
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end
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end
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[data, content]
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end
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def normalize_path(path)
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path.sub(%r{^#{app.source_dir}\/}, "")
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end
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end
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end
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@ -133,7 +133,8 @@ module Middleman
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end
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end
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attr_accessor :app, :options
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attr_accessor :options
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attr_reader :app
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def initialize(klass, options_hash={})
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@_helpers = []
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@ -148,14 +149,21 @@ module Middleman
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yield @options if block_given?
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ext = self
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klass.initialized do
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ext.app = self
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(ext.class.defined_helpers || []).each do |m|
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ext.app.class.send(:include, m)
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end
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if ext.respond_to?(:before_configuration)
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klass.before_configuration do
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ext.before_configuration
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end
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end
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klass.instance_available do
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ext.app ||= self
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end
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klass.after_configuration do
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if ext.respond_to?(:after_configuration)
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ext.after_configuration
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@ -176,5 +184,13 @@ module Middleman
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end
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end
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end
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def app=(app)
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@app = app
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(self.class.defined_helpers || []).each do |m|
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app.class.send(:include, m)
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end
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end
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end
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end
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@ -14,7 +14,7 @@ class Middleman::Extensions::Gzip < ::Middleman::Extension
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def initialize(app, options_hash={})
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super
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require 'zlib'
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require 'stringio'
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require 'find'
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@ -29,6 +29,7 @@ class Middleman::Extensions::MinifyCss < ::Middleman::Extension
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# Rack middleware to look for CSS and compress it
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class Rack
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INLINE_CSS_REGEX = /(<style[^>]*>\s*(?:\/\*<!\[CDATA\[\*\/\n)?)(.*?)((?:(?:\n\s*)?\/\*\]\]>\*\/)?\s*<\/style>)/m
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# Init
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# @param [Class] app
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@ -46,26 +47,16 @@ class Middleman::Extensions::MinifyCss < ::Middleman::Extension
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def call(env)
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status, headers, response = @app.call(env)
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path = env["PATH_INFO"]
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if (path.end_with?('.html') || path.end_with?('.php')) && @inline
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uncompressed_source = ::Middleman::Util.extract_response_text(response)
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minified = uncompressed_source.gsub(/(<style[^>]*>\s*(?:\/\*<!\[CDATA\[\*\/\n)?)(.*?)((?:(?:\n\s*)?\/\*\]\]>\*\/)?\s*<\/style>)/m) do |match|
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first = $1
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css = $2
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last = $3
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minified_css = @compressor.compress(css)
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first << minified_css << last
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if inline_html_content?(env["PATH_INFO"])
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minified = ::Middleman::Util.extract_response_text(response)
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minified.gsub!(INLINE_CSS_REGEX) do |match|
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$1 << @compressor.compress($2) << $3
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end
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headers["Content-Length"] = ::Rack::Utils.bytesize(minified).to_s
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response = [minified]
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elsif path.end_with?('.css') && @ignore.none? {|ignore| Middleman::Util.path_match(ignore, path) }
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uncompressed_source = ::Middleman::Util.extract_response_text(response)
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minified_css = @compressor.compress(uncompressed_source)
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||||
elsif standalone_css_content?(env["PATH_INFO"])
|
||||
minified_css = @compressor.compress(::Middleman::Util.extract_response_text(response))
|
||||
|
||||
headers["Content-Length"] = ::Rack::Utils.bytesize(minified_css).to_s
|
||||
response = [minified_css]
|
||||
|
|
@ -73,5 +64,14 @@ class Middleman::Extensions::MinifyCss < ::Middleman::Extension
|
|||
|
||||
[status, headers, response]
|
||||
end
|
||||
|
||||
private
|
||||
def inline_html_content?(path)
|
||||
(path.end_with?('.html') || path.end_with?('.php')) && @inline
|
||||
end
|
||||
|
||||
def standalone_css_content?(path)
|
||||
path.end_with?('.css') && @ignore.none? {|ignore| Middleman::Util.path_match(ignore, path) }
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
|
|||
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Reference in a new issue