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(config) ⇒ Site

Initialize the site config is a Hash containing site configurations details

Returns 



11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/jekyll/site.rb', line 11

def initialize(config)
  self.config          = config.clone

  self.source          = File.expand_path(config['source'])
  self.dest            = config['destination']
  self.lsi             = config['lsi']
  self.pygments        = config['pygments']
  self.permalink_style = config['permalink'].to_sym
  self.exclude         = config['exclude'] || []

  self.reset
  self.setup
end

Instance Attribute Details

#categories ⇒ Object

Returns the value of attribute categories.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def categories
  @categories
end

#config ⇒ Object

Returns the value of attribute config.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def config
  @config
end

#dest ⇒ Object

Returns the value of attribute dest.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def dest
  @dest
end

#exclude ⇒ Object

Returns the value of attribute exclude.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def exclude
  @exclude
end

#layouts ⇒ Object

Returns the value of attribute layouts.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def layouts
  @layouts
end

#lsi ⇒ Object

Returns the value of attribute lsi.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def lsi
  @lsi
end

#pages ⇒ Object

Returns the value of attribute pages.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def pages
  @pages
end

#permalink_style ⇒ Object

Returns the value of attribute permalink_style.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def permalink_style
  @permalink_style
end

#posts ⇒ Object

Returns the value of attribute posts.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def posts
  @posts
end

#pygments ⇒ Object

Returns the value of attribute pygments.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def pygments
  @pygments
end

#source ⇒ Object

Returns the value of attribute source.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def source
  @source
end

#static_files ⇒ Object

Returns the value of attribute static_files.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def static_files
  @static_files
end

#tags ⇒ Object

Returns the value of attribute tags.



4
5
6
 
# File 'lib/jekyll/site.rb', line 4

def tags
  @tags
end

Instance Method Details

#filter_entries(entries) ⇒ Object

Filter out any files/directories that are hidden or backup files (start with "." or "#" or end with "~"), or contain site content (start with "_"), or are excluded in the site configuration, unless they are web server files such as '.htaccess'



243
244
245
246
247
248
249
 
# File 'lib/jekyll/site.rb', line 243

def filter_entries(entries)
  entries = entries.reject do |e|
    unless ['.htaccess'].include?(e)
      ['.', '_', '#'].include?(e[0..0]) || e[-1..-1] == '~' || self.exclude.include?(e)
    end
  end
end

#paginate(page) ⇒ Object

Paginates the blog's posts. Renders the index.html file into paginated directories, ie: page2/index.html, page3/index.html, etc and adds more site-wide data. page is the index.html Page that requires pagination

=> { "page" => , "per_page" => , "posts" => [], "total_posts" => , "total_pages" => , "previous_page" => , "next_page" => }



263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
 
# File 'lib/jekyll/site.rb', line 263

def paginate(page)
  all_posts = site_payload['site']['posts']
  pages = Pager.calculate_pages(all_posts, self.config['paginate'].to_i)
  (1..pages).each do |num_page|
    pager = Pager.new(self.config, num_page, all_posts, pages)
    if num_page > 1
      newpage = Page.new(self, self.source, page.dir, page.name)
      newpage.render(self.layouts, site_payload.merge({'paginator' => pager.to_hash}))
      newpage.dir = File.join(page.dir, "page#{num_page}")
      newpage.basename = 'index.html'
      self.pages << newpage
    else
      page.render(self.layouts, site_payload.merge({'paginator' => pager.to_hash}))
    end
  end
end

#post_attr_hash(post_attr) ⇒ Object

Constructs a hash map of Posts indexed by the specified Post attribute

Returns => []



217
218
219
220
221
222
223
224
 
# File 'lib/jekyll/site.rb', line 217

def post_attr_hash(post_attr)
  # Build a hash map based on the specified post attribute ( post attr => array of posts )
  # then sort each array in reverse order
  hash = Hash.new { |hash, key| hash[key] = Array.new }
  self.posts.each { |p| p.send(post_attr.to_sym).each { |t| hash[t] << p } }
  hash.values.map { |sortme| sortme.sort! { |a, b| b <=> a} }
  return hash
end

#process ⇒ Object

Do the actual work of processing the site and generating the real deal. Now has 4 phases; reset, read, render, write. This allows rendering to have full site payload available.

Returns nothing



96
97
98
99
100
101
 
# File 'lib/jekyll/site.rb', line 96

def process
  self.reset
  self.read
  self.render
  self.write
end

#read ⇒ Object 



103
104
105
106
 
# File 'lib/jekyll/site.rb', line 103

def read
  self.read_layouts # existing implementation did this at top level only so preserved that
  self.read_directories
end

#read_directories(dir = '') ⇒ Object

Reads the directories and finds posts, pages and static files that will become part of the valid site according to the rules in filter_entries. The dir String is a relative path used to call this method recursively as it descends through directories

Returns nothing



189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
 
# File 'lib/jekyll/site.rb', line 189

def read_directories(dir = '')
  base = File.join(self.source, dir)
  entries = filter_entries(Dir.entries(base))

  self.read_posts(dir)

  entries.each do |f|
    f_abs = File.join(base, f)
    f_rel = File.join(dir, f)
    if File.directory?(f_abs)
      next if self.dest.sub(/\/$/, '') == f_abs
      read_directories(f_rel)
    elsif !File.symlink?(f_abs)
      first3 = File.open(f_abs) { |fd| fd.read(3) }
      if first3 == "---"
        # file appears to have a YAML header so process it as a page
        pages << Page.new(self, self.source, dir, f)
      else
        # otherwise treat it as a static file
        static_files << StaticFile.new(self, self.source, dir, f)
      end
    end
  end
end

#read_layouts(dir = '') ⇒ Object

Read all the files in /

/_layouts and create a new Layout object with each one.

Returns nothing



112
113
114
115
116
117
118
119
120
121
122
 
# File 'lib/jekyll/site.rb', line 112

def read_layouts(dir = '')
  base = File.join(self.source, dir, "_layouts")
  return unless File.exists?(base)
  entries = []
  Dir.chdir(base) { entries = filter_entries(Dir['*.*']) }

  entries.each do |f|
    name = f.split(".")[0..-2].join(".")
    self.layouts[name] = Layout.new(self, base, f)
  end
end

#read_posts(dir) ⇒ Object

Read all the files in /

/_posts and create a new Post object with each one.

Returns nothing



128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
 
# File 'lib/jekyll/site.rb', line 128

def read_posts(dir)
  base = File.join(self.source, dir, '_posts')
  return unless File.exists?(base)
  entries = Dir.chdir(base) { filter_entries(Dir['**/*']) }

  # first pass processes, but does not yet render post content
  entries.each do |f|
    if Post.valid?(f)
      post = Post.new(self, self.source, dir, f)

      if post.published
        self.posts << post
        post.categories.each { |c| self.categories[c] << post }
        post.tags.each { |c| self.tags[c] << post }
      end
    end
  end

  self.posts.sort!
end

#render ⇒ Object 



149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
 
# File 'lib/jekyll/site.rb', line 149

def render
  self.posts.each do |post|
    post.render(self.layouts, site_payload)
  end

  self.pages.dup.each do |page|
    if Pager.pagination_enabled?(self.config, page.name)
      paginate(page)
    else
      page.render(self.layouts, site_payload)
    end
  end

  self.categories.values.map { |ps| ps.sort! { |a, b| b <=> a} }
  self.tags.values.map { |ps| ps.sort! { |a, b| b <=> a} }
rescue Errno::ENOENT => e
  # ignore missing layout dir
end

#reset ⇒ Object 



25
26
27
28
29
30
31
32
 
# File 'lib/jekyll/site.rb', line 25

def reset
  self.layouts         = {}
  self.posts           = []
  self.pages           = []
  self.static_files    = []
  self.categories      = Hash.new { |hash, key| hash[key] = [] }
  self.tags            = Hash.new { |hash, key| hash[key] = [] }
end

#setup ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
 
# File 'lib/jekyll/site.rb', line 34

def setup
  # Check to see if LSI is enabled.
  require 'classifier' if self.lsi

  # Set the Markdown interpreter (and Maruku self.config, if necessary)
  case self.config['markdown']
    when 'rdiscount'
      begin
        require 'rdiscount'

        def markdown(content)
          RDiscount.new(content).to_html
        end

      rescue LoadError
        puts 'You must have the rdiscount gem installed first'
      end
    when 'maruku'
      begin
        require 'maruku'

        def markdown(content)
          Maruku.new(content).to_html
        end

        if self.config['maruku']['use_divs']
          require 'maruku/ext/div'
          puts 'Maruku: Using extended syntax for div elements.'
        end

        if self.config['maruku']['use_tex']
          require 'maruku/ext/math'
          puts "Maruku: Using LaTeX extension. Images in `#{self.config['maruku']['png_dir']}`."

          # Switch off MathML output
          MaRuKu::Globals[:html_math_output_mathml] = false
          MaRuKu::Globals[:html_math_engine] = 'none'

          # Turn on math to PNG support with blahtex
          # Resulting PNGs stored in `images/latex`
          MaRuKu::Globals[:html_math_output_png] = true
          MaRuKu::Globals[:html_png_engine] =  self.config['maruku']['png_engine']
          MaRuKu::Globals[:html_png_dir] = self.config['maruku']['png_dir']
          MaRuKu::Globals[:html_png_url] = self.config['maruku']['png_url']
        end
      rescue LoadError
        puts "The maruku gem is required for markdown support!"
      end
    else
      raise "Invalid Markdown processor: '#{self.config['markdown']}' -- did you mean 'maruku' or 'rdiscount'?"
  end
end

#site_payload ⇒ Object

The Hash payload containing site-wide data

Returns => {"time" => 



231
232
233
234
235
236
237
 
# File 'lib/jekyll/site.rb', line 231

def site_payload
  {"site" => self.config.merge({
      "time"       => Time.now,
      "posts"      => self.posts.sort { |a,b| b <=> a },
      "categories" => post_attr_hash('categories'),
      "tags"       => post_attr_hash('tags')})}
end

#textile(content) ⇒ Object 



87
88
89
 
# File 'lib/jekyll/site.rb', line 87

def textile(content)
  RedCloth.new(content).to_html
end

#write ⇒ Object

Write static files, pages and posts

Returns nothing



171
172
173
174
175
176
177
178
179
180
181
 
# File 'lib/jekyll/site.rb', line 171

def write
  self.posts.each do |post|
    post.write(self.dest)
  end
  self.pages.each do |page|
    page.write(self.dest)
  end
  self.static_files.each do |sf|
    sf.write(self.dest)
  end
end