Class: Tina4::Drivers::BoltConnection::StringScanner

Inherits:
Object
  • Object
show all
Defined in:
lib/tina4/drivers/bolt_graph_driver.rb

Overview

A tiny forward-only byte cursor over a binary string (avoids pulling in StringScanner, which is text-oriented and not binary-safe for our needs).

Instance Method Summary collapse

Constructor Details

#initialize(bytes) ⇒ StringScanner

Returns a new instance of StringScanner.



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# File 'lib/tina4/drivers/bolt_graph_driver.rb', line 410

def initialize(bytes)
  @bytes = bytes
  @pos = 0
end

Instance Method Details

#byte ⇒ Object 



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# File 'lib/tina4/drivers/bolt_graph_driver.rb', line 415

def byte
  b = @bytes.getbyte(@pos)
  @pos += 1
  b
end

#str(n) ⇒ Object 



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# File 'lib/tina4/drivers/bolt_graph_driver.rb', line 421

def str(n)
  s = @bytes.byteslice(@pos, n)
  @pos += n
  s
end