Sha256: bb2e11d0b75f8a9e326d5ba55fcbdf7f0bcc2ff6763065e6d8dd2ce98eaf71c1
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Size: 1.64 KB
Versions: 16
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Stored size: 1.64 KB
Contents
# coding: utf-8
class PDF::Reader
# DEPRECATED: this class was deprecated in version 0.11.0 and will
# eventually be removed
class AbstractStrategy # :nodoc:
def initialize(ohash, receivers, options = {})
@ohash, @options = ohash, options
if receivers.is_a?(Array)
@receivers = receivers
else
@receivers = [receivers]
end
end
private
def options
@options || {}
end
# calls the name callback method on the receiver class with params as the arguments
#
def callback (name, params=[])
@receivers.each do |receiver|
receiver.send(name, *params) if receiver.respond_to?(name)
end
end
# strings outside of page content should be in either PDFDocEncoding or UTF-16.
def decode_strings(obj)
case obj
when String then
if obj[0,2].unpack("C*").slice(0,2) == [254,255]
PDF::Reader::Encoding.new(:UTF16Encoding).to_utf8(obj[2, obj.size])
else
PDF::Reader::Encoding.new(:PDFDocEncoding).to_utf8(obj)
end
when Hash then obj.each { |key,val| obj[key] = decode_strings(val) }
when Array then obj.collect { |item| decode_strings(item) }
else
obj
end
end
def info
ohash.object(trailer[:Info])
end
def info?
info ? true : false
end
def ohash
@ohash
end
def pages
ohash.object(root[:Pages])
end
def pages?
pages ? true : false
end
def root
ohash.object(trailer[:Root])
end
def root?
root ? true : false
end
def trailer
ohash.trailer
end
end
end
Version data entries
16 entries across 16 versions & 3 rubygems