convert tabs to spaces
This commit is contained in:
MihailRis
parent
9be9665daa
commit
aad0ea84eb
@ -13,15 +13,15 @@ local MAX_INT64 = 9223372036854775807
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local MIN_INT64 = -9223372036854775808
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local function maskHighBytes(num)
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return bit.band(num, 0xFF)
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return bit.band(num, 0xFF)
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end
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local function reverse(tbl)
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for i=1, math.floor(#tbl / 2) do
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local tmp = tbl[i]
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tbl[i] = tbl[#tbl - i + 1]
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tbl[#tbl - i + 1] = tmp
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end
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for i=1, math.floor(#tbl / 2) do
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local tmp = tbl[i]
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tbl[i] = tbl[#tbl - i + 1]
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tbl[#tbl - i + 1] = tmp
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end
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return tbl
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end
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@ -29,60 +29,60 @@ local orders = { "LE", "BE" }
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local fromLEConvertors =
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{
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LE = function(bytes) return bytes end,
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BE = function(bytes) return reverse(bytes) end
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LE = function(bytes) return bytes end,
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BE = function(bytes) return reverse(bytes) end
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}
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local toLEConvertors =
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{
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LE = function(bytes) return bytes end,
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BE = function(bytes) return reverse(bytes) end
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LE = function(bytes) return bytes end,
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BE = function(bytes) return reverse(bytes) end
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}
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bit_converter.default_order = "LE"
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local function fromLE(bytes, orderTo)
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if orderTo then
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bit_converter.validate_order(orderTo)
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return fromLEConvertors[orderTo](bytes)
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else return bytes end
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if orderTo then
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bit_converter.validate_order(orderTo)
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return fromLEConvertors[orderTo](bytes)
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else return bytes end
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end
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local function toLE(bytes, orderFrom)
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if orderFrom then
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bit_converter.validate_order(orderFrom)
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return toLEConvertors[orderFrom](bytes)
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else return bytes end
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if orderFrom then
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bit_converter.validate_order(orderFrom)
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return toLEConvertors[orderFrom](bytes)
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else return bytes end
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end
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function bit_converter.validate_order(order)
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if not bit_converter.is_valid_order(order) then
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error("invalid order: "..order)
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end
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if not bit_converter.is_valid_order(order) then
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error("invalid order: "..order)
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end
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end
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function bit_converter.is_valid_order(order) return table.has(orders, order) end
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function bit_converter.string_to_bytes(str)
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local bytes = { }
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local bytes = { }
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local len = string.len(str)
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local len = string.len(str)
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local lenBytes = bit_converter.uint16_to_bytes(len)
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local lenBytes = bit_converter.uint16_to_bytes(len)
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for i = 1, #lenBytes do
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bytes[i] = lenBytes[i]
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end
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for i = 1, #lenBytes do
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bytes[i] = lenBytes[i]
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end
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for i = 1, len do
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bytes[#bytes + 1] = string.byte(string.sub(str, i, i))
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end
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for i = 1, len do
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bytes[#bytes + 1] = string.byte(string.sub(str, i, i))
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end
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return bytes
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return bytes
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end
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function bit_converter.bool_to_byte(bool)
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return bool and 1 or 0
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return bool and 1 or 0
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end
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-- Credits to Iryont <https://github.com/iryont/lua-struct>
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@ -151,148 +151,148 @@ end
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--
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function bit_converter.float32_to_bytes(float, order)
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return fromLE(floatOrDoubleToBytes(float, 'f'), order)
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return fromLE(floatOrDoubleToBytes(float, 'f'), order)
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end
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function bit_converter.float64_to_bytes(float, order)
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return fromLE(floatOrDoubleToBytes(float, 'd'), order)
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return fromLE(floatOrDoubleToBytes(float, 'd'), order)
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end
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function bit_converter.single_to_bytes(float, order)
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on_deprecated_call("bit_converter.float_to_bytes", "bit_converter.float32_to_bytes")
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return bit_converter.float32_to_bytes(bytes, order)
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on_deprecated_call("bit_converter.float_to_bytes", "bit_converter.float32_to_bytes")
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return bit_converter.float32_to_bytes(bytes, order)
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end
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function bit_converter.double_to_bytes(double, order)
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on_deprecated_call("bit_converter.double_to_bytes", "bit_converter.float64_to_bytes")
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return bit_converter.float64_to_bytes(bytes, order)
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on_deprecated_call("bit_converter.double_to_bytes", "bit_converter.float64_to_bytes")
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return bit_converter.float64_to_bytes(bytes, order)
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end
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local function uint32ToBytes(int, order)
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return fromLE({
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maskHighBytes(bit.rshift(int, 24)),
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maskHighBytes(bit.rshift(int, 16)),
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maskHighBytes(bit.rshift(int, 8)),
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maskHighBytes(int)
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}, order)
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return fromLE({
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maskHighBytes(bit.rshift(int, 24)),
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maskHighBytes(bit.rshift(int, 16)),
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maskHighBytes(bit.rshift(int, 8)),
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maskHighBytes(int)
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}, order)
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end
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local function uint16ToBytes(int, order)
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return fromLE({
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maskHighBytes(bit.rshift(int, 8)),
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maskHighBytes(int)
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}, order)
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return fromLE({
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maskHighBytes(bit.rshift(int, 8)),
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maskHighBytes(int)
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}, order)
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end
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function bit_converter.uint32_to_bytes(int, order)
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if int > MAX_UINT32 or int < MIN_UINT32 then
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error("invalid uint32")
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end
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if int > MAX_UINT32 or int < MIN_UINT32 then
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error("invalid uint32")
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end
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return uint32ToBytes(int, order)
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return uint32ToBytes(int, order)
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end
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function bit_converter.uint16_to_bytes(int, order)
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if int > MAX_UINT16 or int < MIN_UINT16 then
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error("invalid uint16")
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end
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if int > MAX_UINT16 or int < MIN_UINT16 then
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error("invalid uint16")
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end
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return uint16ToBytes(int, order)
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return uint16ToBytes(int, order)
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end
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function bit_converter.int64_to_bytes(int, order)
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if int > MAX_INT64 or int < MIN_INT64 then
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error("invalid int64")
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end
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if int > MAX_INT64 or int < MIN_INT64 then
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error("invalid int64")
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end
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return fromLE({
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maskHighBytes(bit.rshift(int, 56)),
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maskHighBytes(bit.rshift(int, 48)),
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maskHighBytes(bit.rshift(int, 40)),
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maskHighBytes(bit.rshift(int, 32)),
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maskHighBytes(bit.rshift(int, 24)),
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maskHighBytes(bit.rshift(int, 16)),
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maskHighBytes(bit.rshift(int, 8)),
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maskHighBytes(int)
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}, order)
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return fromLE({
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maskHighBytes(bit.rshift(int, 56)),
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maskHighBytes(bit.rshift(int, 48)),
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maskHighBytes(bit.rshift(int, 40)),
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maskHighBytes(bit.rshift(int, 32)),
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maskHighBytes(bit.rshift(int, 24)),
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maskHighBytes(bit.rshift(int, 16)),
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maskHighBytes(bit.rshift(int, 8)),
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maskHighBytes(int)
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}, order)
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end
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function bit_converter.int32_to_bytes(int, order)
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on_deprecated_call("bit_converter.int32_to_bytes", "bit_converter.sint32_to_bytes")
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on_deprecated_call("bit_converter.int32_to_bytes", "bit_converter.sint32_to_bytes")
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if int > MAX_INT32 or int < MIN_INT32 then
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error("invalid int32")
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end
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if int > MAX_INT32 or int < MIN_INT32 then
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error("invalid int32")
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end
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return uint32ToBytes(int + MAX_INT32, order)
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return uint32ToBytes(int + MAX_INT32, order)
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end
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function bit_converter.int16_to_bytes(int, order)
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on_deprecated_call("bit_converter.int32_to_bytes", "bit_converter.sint16_to_bytes")
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on_deprecated_call("bit_converter.int32_to_bytes", "bit_converter.sint16_to_bytes")
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if int > MAX_INT16 or int < MIN_INT16 then
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error("invalid int16")
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end
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if int > MAX_INT16 or int < MIN_INT16 then
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error("invalid int16")
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end
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return uint16ToBytes(int + MAX_INT16, order)
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return uint16ToBytes(int + MAX_INT16, order)
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end
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function bit_converter.sint32_to_bytes(int, order)
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if int > MAX_INT32 or int < MIN_INT32 then
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error("invalid sint32")
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end
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if int > MAX_INT32 or int < MIN_INT32 then
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error("invalid sint32")
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end
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return uint32ToBytes(int + MAX_UINT32 + 1, order)
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return uint32ToBytes(int + MAX_UINT32 + 1, order)
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end
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function bit_converter.sint16_to_bytes(int, order)
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if int > MAX_INT16 or int < MIN_INT16 then
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error("invalid sint16")
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end
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if int > MAX_INT16 or int < MIN_INT16 then
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error("invalid sint16")
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end
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return uint16ToBytes(int + MAX_UINT16 + 1, order)
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return uint16ToBytes(int + MAX_UINT16 + 1, order)
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end
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function bit_converter.bytes_to_float32(bytes, order)
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return bytesToFloatOrDouble(toLE(bytes, order), 'f')
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return bytesToFloatOrDouble(toLE(bytes, order), 'f')
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end
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function bit_converter.bytes_to_float64(bytes, order)
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return bytesToFloatOrDouble(toLE(bytes, order), 'd')
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return bytesToFloatOrDouble(toLE(bytes, order), 'd')
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end
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function bit_converter.bytes_to_single(bytes, order)
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on_deprecated_call("bit_converter.bytes_to_single", "bit_converter.bytes_to_float32")
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return bit_converter.bytes_to_float32(bytes, order)
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on_deprecated_call("bit_converter.bytes_to_single", "bit_converter.bytes_to_float32")
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return bit_converter.bytes_to_float32(bytes, order)
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end
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function bit_converter.bytes_to_double(bytes, order)
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on_deprecated_call("bit_converter.bytes_to_double", "bit_converter.bytes_to_float64")
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return bit_converter.bytes_to_float64(bytes, order)
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on_deprecated_call("bit_converter.bytes_to_double", "bit_converter.bytes_to_float64")
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return bit_converter.bytes_to_float64(bytes, order)
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end
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function bit_converter.bytes_to_string(bytes, order)
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local len = bit_converter.bytes_to_uint16({ bytes[1], bytes[2] })
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local len = bit_converter.bytes_to_uint16({ bytes[1], bytes[2] })
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local str = ""
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local str = ""
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for i = 1, len do
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str = str..string.char(bytes[i + 2])
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end
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for i = 1, len do
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str = str..string.char(bytes[i + 2])
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end
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return str
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return str
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end
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function bit_converter.byte_to_bool(byte)
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return byte ~= 0
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return byte ~= 0
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end
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function bit_converter.bytes_to_uint32(bytes, order)
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if #bytes < 4 then
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error("eof")
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end
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if #bytes < 4 then
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error("eof")
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end
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bytes = toLE(bytes, order)
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bytes = toLE(bytes, order)
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return
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bit.bor(
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@ -304,11 +304,11 @@ function bit_converter.bytes_to_uint32(bytes, order)
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end
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function bit_converter.bytes_to_uint16(bytes, order)
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if #bytes < 2 then
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error("eof")
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end
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if #bytes < 2 then
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error("eof")
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end
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bytes = toLE(bytes, order)
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bytes = toLE(bytes, order)
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return
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bit.bor(
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@ -317,11 +317,11 @@ function bit_converter.bytes_to_uint16(bytes, order)
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end
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function bit_converter.bytes_to_int64(bytes, order)
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if #bytes < 8 then
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error("eof")
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end
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if #bytes < 8 then
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error("eof")
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end
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bytes = toLE(bytes, order)
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bytes = toLE(bytes, order)
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return
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bit.bor(
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@ -341,25 +341,25 @@ function bit_converter.bytes_to_int64(bytes, order)
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end
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function bit_converter.bytes_to_int32(bytes, order)
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on_deprecated_call("bit_converter.bytes_to_int32", "bit_converter.bytes_to_sint32")
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return bit_converter.bytes_to_uint32(bytes, order) - MAX_INT32
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on_deprecated_call("bit_converter.bytes_to_int32", "bit_converter.bytes_to_sint32")
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return bit_converter.bytes_to_uint32(bytes, order) - MAX_INT32
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end
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function bit_converter.bytes_to_int16(bytes, order)
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on_deprecated_call("bit_converter.bytes_to_int16", "bit_converter.bytes_to_sint16")
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return bit_converter.bytes_to_uint16(bytes, order) - MAX_INT16
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on_deprecated_call("bit_converter.bytes_to_int16", "bit_converter.bytes_to_sint16")
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return bit_converter.bytes_to_uint16(bytes, order) - MAX_INT16
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end
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function bit_converter.bytes_to_sint32(bytes, order)
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local num = bit_converter.bytes_to_uint32(bytes, order)
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local num = bit_converter.bytes_to_uint32(bytes, order)
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return MIN_INT32 * (bit.band(MAX_INT32 + 1, num) ~= 0 and 1 or 0) + bit.band(MAX_INT32, num)
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return MIN_INT32 * (bit.band(MAX_INT32 + 1, num) ~= 0 and 1 or 0) + bit.band(MAX_INT32, num)
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end
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function bit_converter.bytes_to_sint16(bytes, order)
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local num = bit_converter.bytes_to_uint16(bytes, order)
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local num = bit_converter.bytes_to_uint16(bytes, order)
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return MIN_INT16 * (bit.band(MAX_INT16 + 1, num) ~= 0 and 1 or 0) + bit.band(MAX_INT16, num)
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return MIN_INT16 * (bit.band(MAX_INT16 + 1, num) ~= 0 and 1 or 0) + bit.band(MAX_INT16, num)
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end
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return bit_converter
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