+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: CC-BY-SA-3.0
+
require 'zenweb'
+require 'liquid'
module ZenwebLiquid
VERSION = '0.0.1'
end
module Zenweb
+
class Page
-
+
+ def render_liquid page, content
+ liquid self.body, content, page, binding
+ end
+
##
# Render a page's liquid and return the intermediate result
- def render_liquid page, content, binding = TOPLEVEL_BINDING
- require 'liquid'
-
- unless defined? @liquid_template then
- @liquid_template = Liquid::Template.parse(content).render()
- end
-
- @liquid_template.render(binding)
+ def liquid template, content, page, binding = TOPLEVEL_BINDING
+ Liquid::Template.file_system = Liquid::LocalFileSystem.new(File.join(File.dirname(Rake.application().rakefile), "_includes"))
+ unless defined? @liquid_template
+ @liquid_template = Liquid::Template.parse(template)
+ end
+
+ vars = {}
+ vars["content"] = content
+
+ vars["site"] = site.config.h.clone
+ pages = {}
+ site.pages.each do |f, p|
+ pages[f] = p.config.h.clone
+ pages[f]["url"] = p.url
+ end
+ vars["site"]["pages"] = pages
+
+ vars["page"] = page.config.h.clone
+ vars["page"]["url"] = page.url
+
+ @liquid_template.render(vars)
end
end
+
+ class LiquidCode < Liquid::Include
+ Syntax = /(#{Liquid::QuotedFragment}+)(\s+(?:as)\s+(#{Liquid::QuotedFragment}+))?/o
+
+ def initialize(tag_name, markup, tokens)
+ Liquid::Tag.instance_method(:initialize).bind(self).call(tag_name, markup, tokens)
+
+ if markup =~ Syntax
+ @template_name_expr = $1
+ @language = $3
+ @attributes = {}
+ else
+ raise SyntaxError.new("Error in tag 'code' - Valid syntax: include '[code_file]' as '[language]'")
+ end
+ end
+
+ def render(context)
+ require 'coderay'
+
+ partial = load_cached_partial(@template_name_expr, context)
+ html = ''
+
+ # be explicit about errors
+ context.exception_renderer = lambda do |exc|
+ exc.is_a?(Liquid::InternalError) ? "Liquid error: #{exc.cause.message}" : exc
+ end
+
+ context.stack do
+ html = CodeRay.scan(partial.root.nodelist.join, @language).div
+ end
+
+ html
+ end
+
+ Liquid::Template.register_tag('code', LiquidCode)
+ end
+
+ class LiquidCodeBlock < Liquid::Block
+ Syntax = /((?:as)\s+(#{Liquid::QuotedFragment}+))?/o
+
+ def initialize(tag_name, markup, tokens)
+ Liquid::Tag.instance_method(:initialize).bind(self).call(tag_name, markup, tokens)
+
+ if markup =~ Syntax
+ @language = $2
+ @attributes = {}
+ else
+ raise SyntaxError.new("Error in tag 'code' - Valid syntax: codeblock as '[language]'")
+ end
+ end
+
+ def render(context)
+ require 'coderay'
+
+ partial = super
+ html = ''
+
+ if partial[0] == '\n'
+ partial = partial[1..-1]
+ end
+
+ # be explicit about errors
+ context.exception_renderer = lambda do |exc|
+ exc.is_a?(Liquid::InternalError) ? "Liquid error: #{exc.cause.message}" : exc
+ end
+
+ context.stack do
+ html = CodeRay.scan(partial, @language).div
+ end
+
+ "<notextile>#{html}</notextile>"
+ end
+
+ Liquid::Template.register_tag('codeblock', LiquidCodeBlock)
+ end
end