Class: MD

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/md2slides/md.rb

Defined Under Namespace

Classes: Page

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ MD

Returns a new instance of MD.



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# File 'lib/md2slides/md.rb', line 76

def initialize(path)
	@pages = []
	@attributes = {}
	load(path)
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/md2slides/md.rb', line 74

def attributes
  @attributes
end

Instance Method Details

#__filename_sanitize(s) ⇒ Object 



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# File 'lib/md2slides/md.rb', line 82

def __filename_sanitize(s)
	s.gsub(/[\/\\:\*\?"<>\|]/, '')
end

#each(&block) ⇒ Object 



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# File 'lib/md2slides/md.rb', line 86

def each(&block)
	@pages.each(&block)
end

#load(path) ⇒ Object 



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# File 'lib/md2slides/md.rb', line 151

def load(path)
	File.read(path).split('---').each do |text|
		if @attributes.empty?
			parse_header(text)
			next
		end
		parse_page(text)
	end
end

#parse_header(text) ⇒ Object 



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# File 'lib/md2slides/md.rb', line 94

def parse_header(text)
	text.each_line do |l|
		l.strip!
		next if l.empty?
		if l =~ /^([^:]+): *([^ ].*)$/
			k, v = $1.strip, $2.strip
			@attributes[k.to_sym] = v
		else
			raise("ERROR: invalid line in a header: #{l}")
		end
	end
end

#parse_page(text) ⇒ Object 



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# File 'lib/md2slides/md.rb', line 107

def parse_page(text)
	@pages << page = Page.new
	is_in_comment = false
	text.each_line do |l0|
		l = l0.strip
		next if l.empty?
		if is_in_comment
			if l =~ /(.*) ?-->(.*)$/
				c, left = $1, $2
				page.add_comment(c)
				page.add(:p, left)
				is_in_comment = false
			else
				page.add_comment(l)
			end
		else
			case l
			when /^(#+) *(.*)$/
				sharps, title = $1, $2
				h = "h#{sharps.size}"
				page.add(h.to_sym, title)
			when /^[-*] *(.*)$/
				s = $1
				if l0 =~ /^( +).*$/
					indent = { indent: $1.size }
				end
				page.add(:li, s, indent)
			when /^<!-- *(.*)$/
				l = $1
				if l =~ /(.*) ?-->(.*)$/
					c, left = $1, $2
					page.add_comment(c)
					page.add(:p, left)
				else
					is_in_comment = true
					page.add_comment(l)
				end
			else
				page.add(:p, l)
			end
		end
	end
end

#size ⇒ Object 



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# File 'lib/md2slides/md.rb', line 90

def size
	@pages.size
end