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Contents
require_relative '../slide'
module Parade
module Parsers
#
# As multiple slides are contained within a markdown file, this parser
# will split the markdown along the specified slide marker.
#
# @todo this currently does too much at the moment. It should simply split
# the markdown file along the slide markers and allow another parser
# perform the work of creating the actual slide objects.
#
class MarkdownSlideSplitter
#
# Splits the markdown content into separate slide files based on the
# separator defined by this class.
#
# @param [String] content content that is markdown format
# @return [Array] slides parsed from the markdown content
def self.parse(content,options = {})
# if there are no !SLIDE markers, then make every H1 define a new slide
unless content =~ /^\<?!SLIDE/m
content = content.gsub(/^# /m, "<!SLIDE>\n# ")
end
lines = content.split("\n")
# Break the markdown apart into separate markdown files based on the
# separator
slides = []
current_slide = Slide.new
slides << current_slide
until lines.empty?
line = lines.shift
if line =~ /^<?!SLIDE(.*)>?/
# Remove the trailing > from the metadata
metadata_string = Regexp.last_match(1).gsub(/>$/,'')
metadata = Metadata.parse metadata_string
current_slide = Slide.new(:metadata => metadata)
slides << current_slide
else
current_slide << line
end
end
slides.delete_if {|slide| slide.empty? }
slides.each_with_index {|slide,index| slide.sequence = (index + 1) }
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems