Class: Omnizip::Algorithms::LZMA::LzipDecoder::TrackingInputStream

Inherits:

Object

• Object
• Omnizip::Algorithms::LZMA::LzipDecoder::TrackingInputStream

Defined in:

lib/omnizip/algorithms/lzma/lzip_decoder.rb

Overview

Wrapper input stream that tracks bytes read

Instance Attribute Summary

• #bytes_read ⇒ Object readonly

  Returns the value of attribute bytes_read.

Instance Method Summary

• #eof? ⇒ Boolean
• #getbyte ⇒ Object
• #initialize(input, start_offset = 0) ⇒ TrackingInputStream constructor

  A new instance of TrackingInputStream.

• #read(size = nil) ⇒ Object

Constructor Details

#initialize(input, start_offset = 0) ⇒ TrackingInputStream

Returns a new instance of TrackingInputStream.

# File 'lib/omnizip/algorithms/lzma/lzip_decoder.rb', line 344

def initialize(input, start_offset = 0)
  @input = input
  @bytes_read = start_offset
end

Instance Attribute Details

#bytes_read ⇒ Object (readonly)

Returns the value of attribute bytes_read.

# File 'lib/omnizip/algorithms/lzma/lzip_decoder.rb', line 342

def bytes_read
  @bytes_read
end

Instance Method Details

#eof? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/omnizip/algorithms/lzma/lzip_decoder.rb', line 361

def eof?
  @input.eof?
end

#getbyte ⇒ Object

# File 'lib/omnizip/algorithms/lzma/lzip_decoder.rb', line 355

def getbyte
  byte = @input.getbyte
  @bytes_read += 1 if byte
  byte
end

#read(size = nil) ⇒ Object

# File 'lib/omnizip/algorithms/lzma/lzip_decoder.rb', line 349

def read(size = nil)
  data = @input.read(size)
  @bytes_read += data.bytesize if data
  data
end