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Contents
module URI
class Data < Generic
COMPONENT = [:scheme, :opaque]
MIME_TYPE_RE = %r{^([-\w.+]+/[-\w.+]*)}
MIME_PARAM_RE = /^;([-\w.+]+)=([^;,]+)/
attr_reader :content_type, :data
def initialize(*args)
if args.length == 1
uri = args.first.to_s
unless uri.match(/^data:/)
raise URI::InvalidURIError.new('Invalid Data URI: ' + args.first.inspect)
end
@scheme = 'data'
@opaque = uri[5 .. -1]
else
super(*args)
end
@data = @opaque
if md = MIME_TYPE_RE.match(@data)
@content_type = md[1]
@data = @data[@content_type.length .. -1]
end
@content_type ||= 'text/plain'
@mime_params = {}
while md = MIME_PARAM_RE.match(@data)
@mime_params[md[1]] = md[2]
@data = @data[md[0].length .. -1]
end
if base64 = /^;base64/.match(@data)
@data = @data[7 .. -1]
end
unless /^,/.match(@data)
raise URI::InvalidURIError.new('Invalid data URI')
end
@data = @data[1 .. -1]
@data = base64 ? Base64.decode64(@data) : URI.decode(@data)
if @data.respond_to?(:force_encoding) && charset = @mime_params['charset']
@data.force_encoding(charset)
end
end
def self.build(arg)
data = nil
content_type = nil
case arg
when IO
data = arg
when Hash
data = arg[:data]
content_type = arg[:content_type]
end
raise 'Invalid build argument: ' + arg.inspect unless data
if !content_type && data.respond_to?(:content_type)
content_type = data.content_type
end
new('data', nil, nil, nil, nil, nil, "#{content_type};base64,#{Base64.encode64(data.read).chop}", nil, nil)
end
end
end
Version data entries
79 entries across 79 versions & 2 rubygems