module Slideshow::HeadersFilter
Public Instance Methods
leading_headers( content_with_headers )
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# File lib/slideshow/filters/headers_filter.rb, line 6 def leading_headers( content_with_headers ) # todo: lets user override headers with command line options # that is, lets you override options using commandline switch # read source document; split off optional header from source # strip leading optional headers (key/value pairs) including optional empty lines read_headers = true content = "" keys = [] # track header keys for stats content_with_headers.each_line do |line| if read_headers && line =~ /^\s*(\w[\w-]*)[ \t]*:[ \t]*(.*)/ key = $1.downcase value = $2.strip keys << key logger.debug " adding header: key=>#{key}< value=>#{value}<" headers.put( key, value ) elsif line =~ /^\s*$/ content << line unless read_headers else read_headers = false content << line end end puts " Reading #{keys.length} headers: #{keys.join(', ')}..." content end