Class: ReadXls::RecordHandler::Boundsheet

Inherits:
Base
  • Object
show all
Defined in:
lib/read_xls/record_handler/boundsheet.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#biff, #builder, #record_data, #record_number

Instance Method Summary collapse

Methods inherited from Base

call, #initialize

Constructor Details

This class inherits a constructor from ReadXls::RecordHandler::Base

Instance Attribute Details

#position ⇒ Object

Returns the value of attribute position.



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# File 'lib/read_xls/record_handler/boundsheet.rb', line 4

def position
  @position
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/read_xls/record_handler/boundsheet.rb', line 6

def call
  worksheet_builder = ::ReadXls::Workbook::WorksheetBuilder.new
  offset            = record_data.unpack("v").first
  self.position     = offset

  loop do
    record_number = read_byte
    break if record_number == ::ReadXls::RecordHandler::EOF

    record_length = read_byte
    record_data   = read_data(record_length)

    ::ReadXls::RecordHandler.call(
      record_number,
      worksheet_builder,
      biff,
      record_data
    )
  end

  builder.add_worksheet_builder(worksheet_builder)
end

#read_byte ⇒ Object 



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# File 'lib/read_xls/record_handler/boundsheet.rb', line 36

def read_byte
  val           = biff.byteslice(position, 2).unpack("v")
  self.position += 2
  val.first || raise(ParsingFailedError, "expected to get value, got nil")
end

#read_data(bytes) ⇒ Object 



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# File 'lib/read_xls/record_handler/boundsheet.rb', line 29

def read_data(bytes)
  val           = biff.byteslice(position, bytes)
  self.position += bytes
  val
end