1 files changed, 121 insertions, 0 deletions
diff --git a/lib/page_index.rb b/lib/page_index.rb
new file mode 100644
index 0000000..66b528a
--- /dev/null
+++ b/lib/page_index.rb
@@ -0,0 +1,121 @@
+# coding: utf-8
+require 'erb'
+require 'set'
+require 'yaml'
+
+require 'config'
+require 'page_local'
+require 'page_remote'
+require 'person'
+
+class IndexPage < LocalPage
+	def initialize(dirname)
+		super(dirname)
+	end
+
+	def _metadata
+		if @metadata.nil?
+			yamlfile = local_infile+"/index.yaml"
+			if File::exist?(yamlfile)
+				@metadata = YAML::load(File::read(yamlfile))
+			else
+				@metadata = {}
+			end
+		end
+		@metadata
+	end
+	def _ls
+		@ls ||= Dir::entries(local_infile)
+					.select{|fname|not fname.start_with?(".")}
+					.map{|fname|"#{local_infile}/#{fname}"}
+					.select{|path|Dir::exist?(path) or Config::get.html_suffixes.include?(File::extname(path).gsub(/^[.]/, ''))}
+	end
+	def index_pages
+		if @pages.nil?
+			@pages = Set[]
+			for path in _ls
+				@pages.add( Dir::exist?(path) ? IndexPage::new(path) : LocalPage::new(path) )
+			end
+			for data in (_metadata['external'] || [])
+				@pages.add(RemotePage::new(data))
+			end
+		end
+		@pages
+	end
+	def index_pages_leaves
+		ret = Set[]
+		index_pages.each do |page|
+			if page.is_a?(IndexPage)
+				ret.merge(page.index_pages)
+			else
+				ret.add(page)
+			end
+		end
+		return ret
+	end
+
+	def index_link(cururl, depth)
+		ret = ''
+		unless depth <= 1
+			ret += "<h#{depth}>[#{atom_title}](#{cururl.route_to(url)})</h#{depth}>\n\n"
+		end
+		for page in index_pages.select{|page|not page.is_a?(IndexPage)}.sort_by{|page|page.atom_published}
+			ret += page.index_link(cururl, depth+1)
+		end
+		ret += "\n"
+		for page in index_pages.select{|page|page.is_a?(IndexPage)}.sort_by{|page|page.atom_title}
+			ret += page.index_link(cururl, depth+1)
+		end
+		ret += "\n"
+		return ret.gsub(/\n\n+/, "\n\n")
+	end
+	def atom_title
+		_metadata['title']
+	end
+	def atom_author
+		Person::new(_metadata['author'] || Config::get.default_author)
+	end
+
+	def local_intype
+		return 'markdown'
+	end
+	def local_outfile
+		local_infile.sub(/^src/, 'out')+"/index.html"
+	end
+	def local_depends
+		if @depends.nil?
+			basename = local_infile.sub(/^src/, 'out')
+			deps = Set[local_infile]
+			yamlfile = local_infile+"/index.yaml"
+			if File::exist?(yamlfile)
+				deps.add(yamlfile)
+			end
+			index_pages.select{|p|!p.is_a?(RemotePage)}.each{|p|deps.merge(p.local_depends[''])}
+			@depends = {
+				'' => deps,
+				"#{basename}/index.html" => deps.clone.merge(["tmpl/index.md.erb", "tmpl/page.html.erb"]),
+				"#{basename}/index.atom" => deps.clone.merge(["tmpl/index.atom.erb", "tmpl/page.atom.erb"]),
+			}
+		end
+		@depends
+	end
+	def url
+		@outurl ||= Config::get.url + local_outfile.sub(/^out/, '').sub(/\/index\.html$/, '/')
+	end
+	def local_srcurl
+		return nil
+	end
+
+	def page_published
+		return nil
+	end
+	def page_updated
+		return nil
+	end
+	def page_years
+		return Set[]
+	end
+end
+
+ERB::new(File::read("tmpl/index.atom.erb")).def_method(IndexPage, 'atom()', "tmpl/index.atom.erb")
+ERB::new(File::read("tmpl/index.md.erb")).def_method(IndexPage, 'local_input()', "tmpl/index.md.erb")