Class: Glue::Template::Parser

Inherits:
Object
  • Object
show all
Includes:
Helper
Defined in:
lib/glue/template/parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helper

#run

Constructor Details

#initialize(root) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/glue/template/parser.rb', line 11

def initialize(root)
  @root = root
  @config = Glue::Config.new        
  @sitemap = Glue::Template::Sitemap.new(@config)
  @feed = Glue::Template::Feed.new(@config)
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/glue/template/parser.rb', line 7

def config
  @config
end

#feed ⇒ Object

Returns the value of attribute feed.



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# File 'lib/glue/template/parser.rb', line 6

def feed
  @feed
end

#root ⇒ Object

Returns the value of attribute root.



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# File 'lib/glue/template/parser.rb', line 4

def root
  @root
end

#sitemap ⇒ Object

Returns the value of attribute sitemap.



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# File 'lib/glue/template/parser.rb', line 5

def sitemap
  @sitemap
end

Instance Method Details

#render_haml(path) ⇒ Object 



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# File 'lib/glue/template/parser.rb', line 60

def render_haml(path)
  # extract metadata from file
  $meta = Glue::Template::Meta.new(path)
  
  # instantiate template helper
  helper = Glue::Template::Helper.new
  
  # instantiate and process haml for page
  haml = Haml::Engine.new($meta.content)
  content_for_layout = haml.to_html(helper, $meta.data)
  
  # instantiate haml for layout
  layout = File.read("#{root}/views/layouts/#{$meta.data[:layout]}.haml")
  haml = Haml::Engine.new(layout)
  
  # set haml variables
  vars = {}
  vars.merge!($meta.data)
  vars.merge!({
    :content_for_layout => content_for_layout,
    :generator => Glue::VERSION,
    :last_update => File.mtime(path).xmlschema
  })
  
  # retrieve relative file path and set target
  relative_path = path.sub("#{root}/views/", "").gsub(/\.haml$/, "")
  target = File.join(root, "public", relative_path + ".html")
  
  # sitemap data
  if config[:site][:friendly_url]
    path_for_sitemap = relative_path.gsub(/\/?index$/, "")
  else
    path_for_sitemap = relative_path + ".html"
  end
  
  # merge meta data with some template info
  mapping = $meta.data.merge({
    :path => path_for_sitemap,
    :updated_at => File.mtime(path)
  })
  
  unless $meta.data[:sitemap] == "no"
    self.sitemap << mapping
    self.sitemap << mapping.merge(:path => "/") if $meta.data[:index] == "yes"
  end
  
  unless $meta.data[:feed] == "no"
    self.feed << mapping
  end
  
  # create directories if necessary
  FileUtils.mkdir_p File.dirname(target)
  
  # retrieve parsed content
  full_page = haml.to_html(helper, vars)
  
  # save processed page
  File.open(target, "w+") do |f|
    f << full_page
  end
  
  # save as index page
  if $meta.data[:index] == "yes"
    index_path = File.join(root, "public", "index.html")
  
    File.open(index_path, "w+") do |f|
      f << full_page
    end
  end
end

#render_sass(path) ⇒ Object 



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# File 'lib/glue/template/parser.rb', line 131

def render_sass(path)
  name = File.basename(path).gsub(/\.sass$/, "")
  sass = Sass::Engine.new(File.read(path))
  output = "#{root}/public/stylesheets/#{name}.css"
  
  FileUtils.mkdir_p File.dirname(output)
  
  File.open(output, "w+") do |file|
    file << sass.render
  end
end

#run! ⇒ Object 



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# File 'lib/glue/template/parser.rb', line 18

def run!
  # load user helper file if exist
  if File.exists?("#{root}/config/helper.rb")
    require "#{root}/config/helper.rb"
    Glue::Template::Helper.__send__ :include, ::Helper
  end
  
  # process all stylesheets
  Dir["#{root}/views/stylesheets/**/*.sass"].each do |path|
    run "processing #{Colorize.yellow(path)}" do
      render_sass path
    end
  end
  
  # process all templates
  Dir["#{root}/views/**/*.haml"].each do |path|
    # layout files should be skipped
    next if path =~ /#{Regexp.escape("#{root}/views/layouts/")}/
    
    # partial files should be skipped
    next if File.basename(path) =~ /_.*?\.haml$/
    
    run "processing #{Colorize.yellow(path)}" do
      render_haml(path)
    end
  end
  
  # save sitemap
  if config[:sitemap][:enabled]
    run "generating #{Colorize.yellow("public/sitemap.xml")}..." do
      sitemap.save File.join(root, "public", "sitemap.xml")
    end
  end
  
  # save feed
  if config[:feed][:enabled]
    run "generating #{Colorize.yellow("public/feed.xml")}..." do
      feed.save File.join(root, "public", "feed.xml")
    end
  end
end