Method: Origami::PDF#each_object

Defined in:
lib/origami/pdf.rb

#each_object(compressed: false, recursive: false) ⇒ Object

Iterates over the objects of the document. compressed: iterates over the objects inside object streams. recursive: iterates recursively inside objects like arrays and dictionaries.



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# File 'lib/origami/pdf.rb', line 332

def each_object(compressed: false, recursive: false)
    return enum_for(__method__, compressed: compressed,
                                recursive: recursive
                   ) unless block_given?

    walk_object = -> (object) do
        case object
        when Dictionary
            object.each_value do |value|
                yield(value)
                walk_object.call(value)
            end

        when Array
            object.each do |child|
                yield(child)
                walk_object.call(child)
            end

        when Stream
            yield(object.dictionary)
            walk_object.call(object.dictionary)
        end
    end

    @revisions.each do |revision|
        revision.each_object do |object|
            yield(object)

            walk_object.call(object) if recursive

            if object.is_a?(ObjectStream) and compressed
                object.each do |child_obj|
                    yield(child_obj)

                    walk_object.call(child_obj) if recursive
                end
            end
        end
    end
end