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module Jekyll
class Page
include Convertible
attr_writer :dir
attr_accessor :site, :pager
attr_accessor :name, :ext, :basename
attr_accessor :data, :content, :output
alias_method :extname, :ext
FORWARD_SLASH = "/".freeze
# Attributes for Liquid templates
ATTRIBUTES_FOR_LIQUID = %w(
content
dir
name
path
url
).freeze
# A set of extensions that are considered HTML or HTML-like so we
# should not alter them, this includes .xhtml through XHTM5.
HTML_EXTENSIONS = %w(
.html
.xhtml
.htm
).freeze
# Initialize a new Page.
#
# site - The Site object.
# base - The String path to the source.
# dir - The String path between the source and the file.
# name - The String filename of the file.
def initialize(site, base, dir, name)
@site = site
@base = base
@dir = dir
@name = name
@path = if site.in_theme_dir(base) == base # we're in a theme
site.in_theme_dir(base, dir, name)
else
site.in_source_dir(base, dir, name)
end
process(name)
read_yaml(File.join(base, dir), name)
data.default_proc = proc do |_, key|
site.frontmatter_defaults.find(File.join(dir, name), type, key)
end
Jekyll::Hooks.trigger :pages, :post_init, self
end
# The generated directory into which the page will be placed
# upon generation. This is derived from the permalink or, if
# permalink is absent, will be '/'
#
# Returns the String destination directory.
def dir
if url.end_with?(FORWARD_SLASH)
url
else
url_dir = File.dirname(url)
url_dir.end_with?(FORWARD_SLASH) ? url_dir : "#{url_dir}/"
end
end
# The full path and filename of the post. Defined in the YAML of the post
# body.
#
# Returns the String permalink or nil if none has been set.
def permalink
data.nil? ? nil : data["permalink"]
end
# The template of the permalink.
#
# Returns the template String.
def template
if !html?
"/:path/:basename:output_ext"
elsif index?
"/:path/"
else
Utils.add_permalink_suffix("/:path/:basename", site.permalink_style)
end
end
# The generated relative url of this page. e.g. /about.html.
#
# Returns the String url.
def url
@url ||= URL.new({
:template => template,
:placeholders => url_placeholders,
:permalink => permalink,
}).to_s
end
# Returns a hash of URL placeholder names (as symbols) mapping to the
# desired placeholder replacements. For details see "url.rb"
def url_placeholders
{
:path => @dir,
:basename => basename,
:output_ext => output_ext,
}
end
# Extract information from the page filename.
#
# name - The String filename of the page file.
#
# Returns nothing.
def process(name)
self.ext = File.extname(name)
self.basename = name[0..-ext.length - 1]
end
# Add any necessary layouts to this post
#
# layouts - The Hash of {"name" => "layout"}.
# site_payload - The site payload Hash.
#
# Returns nothing.
def render(layouts, site_payload)
site_payload["page"] = to_liquid
site_payload["paginator"] = pager.to_liquid
do_layout(site_payload, layouts)
end
# The path to the source file
#
# Returns the path to the source file
def path
data.fetch("path") { relative_path }
end
# The path to the page source file, relative to the site source
def relative_path
File.join(*[@dir, @name].map(&:to_s).reject(&:empty?)).sub(%r!\A\/!, "")
end
# Obtain destination path.
#
# dest - The String path to the destination dir.
#
# Returns the destination file path String.
def destination(dest)
path = site.in_dest_dir(dest, URL.unescape_path(url))
path = File.join(path, "index") if url.end_with?("/")
path << output_ext unless path.end_with? output_ext
path
end
# Returns the object as a debug String.
def inspect
"#<Jekyll:Page @name=#{name.inspect}>"
end
# Returns the Boolean of whether this Page is HTML or not.
def html?
HTML_EXTENSIONS.include?(output_ext)
end
# Returns the Boolean of whether this Page is an index file or not.
def index?
basename == "index"
end
def trigger_hooks(hook_name, *args)
Jekyll::Hooks.trigger :pages, hook_name, self, *args
end
def write?
true
end
end
end