Class: PDF::Core::Reference
- Inherits:
-
Object
- Object
- PDF::Core::Reference
- Defined in:
- lib/pdf/core/reference.rb
Overview
:nodoc:
Instance Attribute Summary collapse
-
#data ⇒ Object
Returns the value of attribute data.
-
#gen ⇒ Object
Returns the value of attribute gen.
-
#identifier ⇒ Object
Returns the value of attribute identifier.
-
#offset ⇒ Object
Returns the value of attribute offset.
-
#stream ⇒ Object
Returns the value of attribute stream.
Instance Method Summary collapse
- #<<(io) ⇒ Object
-
#deep_copy(share = []) ⇒ Object
Creates a deep copy of this ref.
-
#initialize(id, data) ⇒ Reference
constructor
A new instance of Reference.
- #object ⇒ Object
-
#replace(other_ref) ⇒ Object
Replaces the data and stream with that of other_ref.
- #to_s ⇒ Object
Constructor Details
Instance Attribute Details
#data ⇒ Object
Returns the value of attribute data.
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# File 'lib/pdf/core/reference.rb', line 14 def data @data end |
#gen ⇒ Object
Returns the value of attribute gen.
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# File 'lib/pdf/core/reference.rb', line 14 def gen @gen end |
#identifier ⇒ Object
Returns the value of attribute identifier.
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# File 'lib/pdf/core/reference.rb', line 14 def identifier @identifier end |
#offset ⇒ Object
Returns the value of attribute offset.
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# File 'lib/pdf/core/reference.rb', line 14 def offset @offset end |
#stream ⇒ Object
Returns the value of attribute stream.
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# File 'lib/pdf/core/reference.rb', line 14 def stream @stream end |
Instance Method Details
#<<(io) ⇒ Object
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# File 'lib/pdf/core/reference.rb', line 34 def <<(io) raise "Cannot attach stream to non-dictionary object" unless @data.is_a?(::Hash) (@stream ||= Stream.new) << io end |
#deep_copy(share = []) ⇒ Object
Creates a deep copy of this ref. If share
is provided, shares the given dictionary entries between the old ref and the new.
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# File 'lib/pdf/core/reference.rb', line 46 def deep_copy(share=[]) r = dup case r.data when ::Hash # Copy each entry not in +share+. (r.data.keys - share).each do |k| r.data[k] = Marshal.load(Marshal.dump(r.data[k])) end when PDF::Core::NameTree::Node r.data = r.data.deep_copy else r.data = Marshal.load(Marshal.dump(r.data)) end r.stream = Marshal.load(Marshal.dump(r.stream)) r end |
#object ⇒ Object
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# File 'lib/pdf/core/reference.rb', line 23 def object output = "#{@identifier} #{gen} obj\n" unless @stream.empty? output << PDF::Core::PdfObject(data.merge @stream.data) << "\n" << @stream.object else output << PDF::Core::PdfObject(data) << "\n" end output << "endobj\n" end |
#replace(other_ref) ⇒ Object
Replaces the data and stream with that of other_ref.
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# File 'lib/pdf/core/reference.rb', line 66 def replace(other_ref) @data = other_ref.data @stream = other_ref.stream end |
#to_s ⇒ Object
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# File 'lib/pdf/core/reference.rb', line 39 def to_s "#{@identifier} #{gen} R" end |