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Contents
require 'html/pipeline'
require 'html/pipeline/reveal_ck_emoji_filter'
module RevealCK
module Builders
# Given a slides_file, a Rake application, and a place where the
# transformed slides file should end up, this class knows how to
# work with Rake and create the slides.html.
class CreateSlidesHtml < CreationTask
attr_reader :slides_file, :output_dir, :config
def initialize(args)
@slides_file = retrieve(:slides_file, args)
@output_dir = retrieve(:output_dir, args)
@config = retrieve(:config, args)
super
end
def setup
slides_html_file = "#{output_dir}/slides.html"
task(slides_html_file) do
File.open(slides_html_file, 'w') do |slides_html|
slides_html.puts(presentation_html)
end
end
things_to_create.add(slides_html_file)
end
private
def presentation_html
presentation = RevealCK::Presentation.load(file: slides_file,
config: config)
initial_html = presentation.html
apply_filters_to(initial_html)
end
def apply_filters_to(html)
load_dependencies(config.requires)
filters = get_classes_from_array(config.filters)
pipeline = HTML::Pipeline.new(filters)
filtered_html_string = FilteredHtmlString.new(html: html,
config: config.to_h,
pipeline: pipeline)
filtered_html_string.render
end
def load_dependencies(array_of_includes)
array_of_includes.each { |name| require name }
end
def get_classes_from_array(array_of_names)
array_of_names.map do |name|
name.split('::').reduce(Object) { |acc, elem| acc.const_get(elem) }
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems