Class: Jekyll::Site

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll/site.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, dest) ⇒ Site

Initialize the site

+source+ is String path to the source directory containing
         the proto-site
+dest+ is the String path to the directory where the generated
       site should be written

Returns <Site>



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# File 'lib/jekyll/site.rb', line 14

def initialize(source, dest)
  self.source = source
  self.dest = dest
  self.layouts = {}
  self.posts = []
end

Instance Attribute Details

#dest ⇒ Object

Returns the value of attribute dest.



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# File 'lib/jekyll/site.rb', line 4

def dest
  @dest
end

#layouts ⇒ Object

Returns the value of attribute layouts.



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# File 'lib/jekyll/site.rb', line 5

def layouts
  @layouts
end

#posts ⇒ Object

Returns the value of attribute posts.



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# File 'lib/jekyll/site.rb', line 5

def posts
  @posts
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/jekyll/site.rb', line 4

def source
  @source
end

Instance Method Details

#process ⇒ Object

Do the actual work of processing the site and generating the real deal.

Returns nothing



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# File 'lib/jekyll/site.rb', line 25

def process
  self.read_layouts
  self.transform_pages
  self.write_posts
end

#read_layouts ⇒ Object

Read all the files in <source>/_layouts into memory for later use.

Returns nothing



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# File 'lib/jekyll/site.rb', line 35

def read_layouts
  base = File.join(self.source, "_layouts")
  entries = Dir.entries(base)
  entries = entries.reject { |e| File.directory?(File.join(base, e)) }
  
  entries.each do |f|
    name = f.split(".")[0..-2].join(".")
    self.layouts[name] = Layout.new(base, f)
  end
rescue Errno::ENOENT => e
  # ignore missing layout dir
end

#read_posts(base) ⇒ Object

Read all the files in <base>/_posts and create a new Post object with each one.

Returns nothing



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# File 'lib/jekyll/site.rb', line 52

def read_posts(base)
  entries = Dir.entries(base)
  entries = entries.reject { |e| File.directory?(e) }

  entries.each do |f|
    p = Post.new(base, f) 
    if Post.valid?(f)
      p.do_layout({}, {}, {})
      self.posts << p
    end
  end
  
  self.posts.sort!
rescue Errno::ENOENT => e
  # ignore missing layout dir
end

#site_payload ⇒ Object

The Hash payload containing site-wide data

Returns => {“time” => <Time>, “posts” => [<Post>]}



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# File 'lib/jekyll/site.rb', line 119

def site_payload
  # Build the category hash map of category ( names => arrays of posts )
  # then sort each array in reverse order
  categories = Hash.new { |hash,key| hash[key] = Array.new } 
  self.posts.each { |p| p.categories.each { |c| categories[c] << p } }
  categories.values.map { |cats| cats.sort! { |a,b| b <=> a} } 
  
  {"site" => {
    "time" => Time.now, 
    "posts" => self.posts.sort { |a,b| b <=> a },
    "categories" => categories
  }}
end

#transform_pages(dir = '') ⇒ Object

Copy all regular files from <source> to <dest>/ ignoring any files/directories that are hidden (start with “.”) or contain site content (start with “_”) unless they are “_posts” directories

The +dir+ String is a relative path used to call this method
         recursively as it descends through directories

Returns nothing



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# File 'lib/jekyll/site.rb', line 86

def transform_pages(dir = '')
  base = File.join(self.source, dir)
  entries = Dir.entries(base)
  entries = entries.reject { |e| 
    (e != '_posts') and ['.', '_'].include?(e[0..0]) 
  }

  entries.each do |f|
    if f == '_posts'
      read_posts(File.join(base, f))
    elsif File.directory?(File.join(base, f))
      next if self.dest.sub(/\/$/, '') == File.join(base, f)
      transform_pages(File.join(dir, f))
    else
      first3 = File.open(File.join(self.source, dir, f)) { |fd| fd.read(3) }
      
      # if the file appears to have a YAML header then process it as a page
      if first3 == "---"
        page = Page.new(self.source, dir, f)
        page.add_layout(self.layouts, site_payload)
        page.write(self.dest)
      # otherwise copy the file without transforming it
      else
        FileUtils.mkdir_p(File.join(self.dest, dir))
        FileUtils.cp(File.join(self.source, dir, f), File.join(self.dest, dir, f))
      end
    end
  end
end

#write_posts ⇒ Object

Write each post to <dest>/<year>/<month>/<day>/<slug>

Returns nothing



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# File 'lib/jekyll/site.rb', line 72

def write_posts
  self.posts.each do |post|
    post.add_layout(self.layouts, site_payload)
    post.write(self.dest)
  end
end