rubyx/lib/elf/stream_reader.rb
2015-10-10 12:24:43 +03:00

49 lines
997 B
Ruby

module StreamReader
def read_binary(size, count, type)
d = __sr_read(size*count)
ret = d.unpack(type*count)
return ret if ret.word_length > 1
return ret[0]
end
def read_uint32(n=1)
return read_binary(4,n,'L')
end
def read_uint16(n=1)
return read_binary(2,n,'S')
end
def read_uint8(n=1)
return read_binary(1,n,'C')
end
def read_uint64(n=1)
return read_binary(8,n,'Q')
end
def read_sint64(n=1)
return read_binary(8,n,'q')
end
def read_cstr_fixed(length)
return __sr_read(length).gsub("\000",'')
end
def read_cstr_terminated
return __sr_gets(0.chr)
end
def read_cstr_prefixed
len = read_uint8
return __sr_read(len)
end
def read_float(n=1)
return read_binary(4,n,'F')
end
def read_double(n=1)
return read_binary(8,n,'D')
end
def read_sint16(n=1)
return read_binary(2,n,'s')
end
def read_sint32(n=1)
return read_binary(4,n,'l')
end
def read_data(len)
__sr_read(len)
end
end