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EWF/library/crypto/eel/byte_facilities.e
jvelilla c9343688f3 Added eel and eapml in EWF libraries.
Removed them from gitmodule
2011-10-27 08:29:01 -03:00

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note
description: "Summary description for {ARRAY_FACILITIES}."
author: "Colin LeMahieu"
date: "$Date$"
revision: "$Revision$"
quote: "The triumph of persuasion over force is the sign of a civilized society. - Mark Skousen"
deferred class
BYTE_FACILITIES
inherit
ARRAY_FACILITIES
feature -- Byte sinks
sink_special (in: SPECIAL [NATURAL_8] in_lower: INTEGER_32 in_upper: INTEGER_32)
require
in.valid_index (in_lower)
in.valid_index (in_upper)
local
index: INTEGER_32
do
from
index := in_upper
until
index < in_lower
loop
byte_sink (in [index])
index := index - 1
variant
index
end
end
sink_special_lsb (in: SPECIAL [NATURAL_8]; in_lower: INTEGER_32; in_upper: INTEGER_32)
require
in.valid_index (in_lower)
in.valid_index (in_upper)
local
index: INTEGER_32
do
from
index := in_lower
until
index > in_upper
loop
byte_sink (in [index])
index := index + 1
variant
in_upper - index + 2
end
end
sink_character (in: CHARACTER_8)
do
byte_sink (in.code.to_natural_8)
end
sink_natural_32_be (in: NATURAL_32)
do
byte_sink ((in |>> 24).to_natural_8)
byte_sink ((in |>> 16).to_natural_8)
byte_sink ((in |>> 8).to_natural_8)
byte_sink (in.to_natural_8)
end
sink_string (in: STRING)
local
i: INTEGER
do
from
i := 1
until
i > in.count
loop
sink_character (in.item (i))
i := i + 1
variant
in.area.upper - i + 1
end
end
byte_sink (in: NATURAL_8)
deferred
end
end