class YARP::LibRubyParser::YPBuffer

This object represents a yp_buffer_t. We only use it as an opaque pointer, so it doesn’t need to know the fields of yp_buffer_t.

Constants

SIZEOF

Attributes

pointer[R]

Public Class Methods

new(pointer) click to toggle source

# File yarp/ffi.rb, line 102
def initialize(pointer)
  @pointer = pointer
end

with() { |new(pointer)| ... } click to toggle source

Initialize a new buffer and yield it to the block. The buffer will be automatically freed when the block returns.

# File yarp/ffi.rb, line 120
def self.with(&block)
  pointer = FFI::MemoryPointer.new(SIZEOF)

  begin
    raise unless LibRubyParser.yp_buffer_init(pointer)
    yield new(pointer)
  ensure
    LibRubyParser.yp_buffer_free(pointer)
    pointer.free
  end
end

Public Instance Methods

length() click to toggle source

# File yarp/ffi.rb, line 110
def length
  LibRubyParser.yp_buffer_length(pointer)
end

read() click to toggle source

# File yarp/ffi.rb, line 114
def read
  value.read_string(length)
end

value() click to toggle source

# File yarp/ffi.rb, line 106
def value
  LibRubyParser.yp_buffer_value(pointer)
end