Class: Trezor::Utils::Buffer

Inherits:
Net::SSH::Buffer
  • Object
show all
Defined in:
lib/trezor/utils/buffer.rb

Instance Method Summary collapse

Instance Method Details

#read_short ⇒ Object

Return the next two bytes as a short integer (in network byte order). Returns nil if there are less than 2 bytes remaining to be read in the buffer.



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# File 'lib/trezor/utils/buffer.rb', line 17

def read_short
  b = read(2) or return nil
  b.unpack('n').first
end

#write_bth(*blobs) ⇒ Object

Writes each argument to the buffer as hex data (binary to hex) Does not alter the read position. Returns the buffer object.



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# File 'lib/trezor/utils/buffer.rb', line 33

def write_bth(*blobs)
  blobs.each { |b| @content << b.unpack('H*').first }
  self
end

#write_htb(*blobs) ⇒ Object

Writes each argument to the buffer as binary data (hex to binary) Does not alter the read position. Returns the buffer object.



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# File 'lib/trezor/utils/buffer.rb', line 25

def write_htb(*blobs)
  @content << blobs.pack('H*')
  self
end

#write_short(*n) ⇒ Object

Writes each argument to the buffer as a network-byte-order-encoded short (2-byte) integer. Does not alter the read position. Returns the buffer object.



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# File 'lib/trezor/utils/buffer.rb', line 9

def write_short(*n)
  @content << n.pack('n*')
  self
end