Sha256: 2060c74bb57dd0f57d7826de486f20c02451750473bee107e9687e490d265424
Contents?: true
Size: 1.07 KB
Versions: 13
Compression:
Stored size: 1.07 KB
Contents
# encoding: utf-8
module Slideshow
module HeadersFilter
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
end # module HeadersFilter
end # module Slideshow
class Slideshow::Gen
include Slideshow::HeadersFilter
end
Version data entries
13 entries across 13 versions & 1 rubygems