Sha256: bf012f3a9726bb68bb4eae04e05e34cd66db87fb8955b4bbe2395936ebb872f9
Contents?: true
Size: 1.77 KB
Versions: 20
Compression:
Stored size: 1.77 KB
Contents
module Slideshow
class Headers
def initialize( config )
@hash = {}
@config = config
end
## todo: rename put to store like std hash method
def put( key, value )
key = normalize_key( key )
setter = "#{key}=".to_sym
if respond_to?( setter )
send( setter, value )
else
@hash[ key ] = value
end
end
def gradient=( line )
# split into theme (first value) and colors (everything else)
# e.g. diagonal red black
# todo/check: translate value w/ v.tr( '-', '_' ) ??
values = line.split( ' ' )
put( 'gradient-theme', values.first ) if values.size > 0
put( 'gradient-colors', values[ 1..-1].join( ' ' ) ) if values.size > 1
end
def has_gradient?
# has user defined gradient (using headers)? (default values do NOT count)
@hash.has_key?( :gradient_theme ) || @hash.has_key?( :gradient_colors )
end
def []( key )
value = get( key )
if value.nil?
puts "** Warning: header '#{key}' undefined"
value = "- #{key} not found -"
end
value
end
def code_engine
get( 'code-engine' )
end
def code_txmt
get( 'code-txmt' )
end
## todo: rename get to fetch??
def get( key, default=nil )
key = normalize_key(key)
value = @hash.fetch( key, nil )
value = @config.header( key ) if value.nil? # try lookup in config properties next
if value.nil?
default
else
value
end
end
def get_boolean( key, default )
value = get( key, default )
if value.nil?
default
else
(value == true || value =~ /t|true|yes|on/i) ? true : false
end
end
private
def normalize_key( key )
key.to_s.downcase.tr('-', '_').to_sym
end
end # class Headers
end # module Slideshow
Version data entries
20 entries across 20 versions & 1 rubygems