Module: Origami::HintTable

Included in:
PageOffsetTable, SharedObjectTable
Defined in:
lib/origami/linearization.rb

Defined Under Namespace

Modules: ClassMethods Classes: PageOffsetTable, SharedObjectTable

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#entries ⇒ Object

Returns the value of attribute entries.



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# File 'lib/origami/linearization.rb', line 174

def entries
  @entries
end

#header_items ⇒ Object

Returns the value of attribute header_items.



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# File 'lib/origami/linearization.rb', line 173

def header_items
  @header_items
end

Class Method Details

.included(receiver) ⇒ Object 



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# File 'lib/origami/linearization.rb', line 167

def self.included(receiver)
    receiver.instance_variable_set(:@header_items_size, {})
    receiver.instance_variable_set(:@entry_items_size, {})
    receiver.extend(ClassMethods)
end

Instance Method Details

#initialize ⇒ Object 



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# File 'lib/origami/linearization.rb', line 176

def initialize
    @header_items = {}
    @entries = []
end

#to_s ⇒ Object 



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# File 'lib/origami/linearization.rb', line 181

def to_s
    data = ""

    nitems = self.class.nb_header_items
    for no in (1..nitems)
        unless @header_items.include?(no)
            raise InvalidHintTableError, "Missing item #{no} in header section of #{self.class}"
        end

        value = @header_items[no]
        item_size = self.class.get_header_item_size(no)

        item_size = ((item_size + 7) >> 3) << 3
        item_data = value.to_s(2)
        item_data = "0" * (item_size - item_data.size) + item_data

        data << [ item_data ].pack("B*")
    end

    nitems = self.class.nb_entry_items
    @entries.each_with_index do |entry, i|
        for no in (1..nitems)
            unless entry.include?(no)
                raise InvalidHintTableError, "Missing item #{no} in entry #{i} of #{self.class}"
            end

            value = entry[no]
            item_size = self.class.get_entry_item_size(no)

            item_size = ((item_size + 7) >> 3) << 3
            item_data = value.to_s(2)
            item_data = "0" * (item_size - item_data.size) + item_data

            data << [ item_data ].pack("B*")
        end
    end

    data
end