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|
#! /usr/bin/env ruby
# -*- coding: UTF-8 -*-
#
require 'e17/eet/eet-ffi'
#
module E17
module Eet
#
class << self
#
def open path, mode=FILE_MODE_READ, &blk
if blk
f = E17::API.eet_open path, mode
raise Exception.new "Unable to open file #{path}" if f.nil?
yield EetFile.new f
E17::API.eet_close f
else
f = E17::API.eet_open path, mode
return EetFile.new f unless f.nil?
end
end
end
#
class EetFile
#
def initialize ptr
@ptr=ptr
end
private :initialize
#
def close
E17::API.eet_close @ptr
@ptr=nil
end
#
def mode_get
E17::API.eet_mode_get @ptr
end
#
def write key, data, compress=false
E17::API.eet_write @ptr, key, FFI::MemoryPointer.from_string(data), data.bytesize, ( compress ? 1 : 0 )
end
#
def read key
ptr = FFI::MemoryPointer.new(:int)
data = E17::API.eet_read @ptr, key, ptr
s = ptr.read_int
ptr.free
return nil if s==0
( data.null? ? nil : data.read_string[0..s-1] )
end
#
end
#
end
end
#
# EOF
|
