135 lines
4.2 KiB
Ruby
135 lines
4.2 KiB
Ruby
module Jekyll
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class Site
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attr_accessor :source, :dest
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attr_accessor :layouts, :posts
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# Initialize the site
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# +source+ is String path to the source directory containing
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# the proto-site
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# +dest+ is the String path to the directory where the generated
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# site should be written
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#
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# Returns <Site>
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def initialize(source, dest)
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self.source = source
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self.dest = dest
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self.layouts = {}
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self.posts = []
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end
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# Do the actual work of processing the site and generating the
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# real deal.
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#
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# Returns nothing
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def process
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self.read_layouts
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self.transform_pages
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self.write_posts
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end
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# Read all the files in <source>/_layouts except backup files
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# (end with "~") into memory for later use.
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#
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# Returns nothing
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def read_layouts
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base = File.join(self.source, "_layouts")
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entries = Dir.entries(base)
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entries = entries.reject { |e| e[-1..-1] == '~' }
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entries = entries.reject { |e| File.directory?(File.join(base, e)) }
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entries.each do |f|
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name = f.split(".")[0..-2].join(".")
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self.layouts[name] = Layout.new(base, f)
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end
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rescue Errno::ENOENT => e
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# ignore missing layout dir
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end
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# Read all the files in <base>/_posts except backup files (end with "~")
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# and create a new Post object with each one.
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#
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# Returns nothing
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def read_posts(base)
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entries = Dir.entries(base)
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entries = entries.reject { |e| e[-1..-1] == '~' }
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entries = entries.reject { |e| File.directory?(e) }
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entries.each do |f|
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self.posts << Post.new(base, f) if Post.valid?(f)
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end
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self.posts.sort!
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rescue Errno::ENOENT => e
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# ignore missing layout dir
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end
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# Write each post to <dest>/<year>/<month>/<day>/<slug>
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#
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# Returns nothing
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def write_posts
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self.posts.each do |post|
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post.add_layout(self.layouts, site_payload)
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post.write(self.dest)
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end
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end
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# Copy all regular files from <source> to <dest>/ ignoring
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# any files/directories that are hidden or backup files (start
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# with "." or end with "~") or contain site content (start with "_")
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# unless they are "_posts" directories
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# The +dir+ String is a relative path used to call this method
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# recursively as it descends through directories
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#
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# Returns nothing
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def transform_pages(dir = '')
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base = File.join(self.source, dir)
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entries = Dir.entries(base)
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entries = entries.reject { |e| e[-1..-1] == '~' }
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entries = entries.reject { |e|
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(e != '_posts') and ['.', '_'].include?(e[0..0])
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}
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entries.each do |f|
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if f == '_posts'
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read_posts(File.join(base, f))
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elsif File.directory?(File.join(base, f))
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next if self.dest.sub(/\/$/, '') == File.join(base, f)
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transform_pages(File.join(dir, f))
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else
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first3 = File.open(File.join(self.source, dir, f)) { |fd| fd.read(3) }
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# if the file appears to have a YAML header then process it as a page
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if first3 == "---"
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page = Page.new(self.source, dir, f)
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page.add_layout(self.layouts, site_payload)
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page.write(self.dest)
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# otherwise copy the file without transforming it
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else
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FileUtils.mkdir_p(File.join(self.dest, dir))
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FileUtils.cp(File.join(self.source, dir, f), File.join(self.dest, dir, f))
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end
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end
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end
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end
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# The Hash payload containing site-wide data
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#
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# Returns {"site" => {"time" => <Time>, "posts" => [<Post>]}}
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def site_payload
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# Build the category hash map of category ( names => arrays of posts )
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# then sort each array in reverse order
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categories = Hash.new { |hash,key| hash[key] = Array.new }
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self.posts.each { |p| p.categories.each { |c| categories[c] << p } }
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categories.values.map { |cats| cats.sort! { |a,b| b <=> a} }
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{"site" => {
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"time" => Time.now,
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"posts" => self.posts.sort { |a,b| b <=> a },
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"categories" => categories
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}}
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end
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end
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end
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