DATEX Specification

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Important Notice:

This is a Working Draft of the DATEX Specification. This is document is work in progress and may change at any time. It is not intended to be used for production purposes.

18 Procedures ​

18.1 ... ​

18.1.1 17.1.1 ​

typescript
function getRingBufferIndexRange(a: Uint16, b: Uint16):
	
	indiciesInBounds <- []

	function appendArrayIndexRange(a, b):
		for i in (a..b):
			indiciesInBounds += i

	if a < b
		appendArrayIndexRange(a, b)
	else:
		appendArrayIndexRange(a, Uint16.MAX)
		appendArrayIndexRange(0, b)

	return indiciesInBounds

18.2 Buffer Operations ​

18.2.1 getUint16 ​

typescript
function getUint16(data: Uint8[], i: Uint8):
	return dxb[i] + dxb[i+1] * 0xff

18.2.2 extractUint16 ​

typescript
function extractUint16(buffer: Uint8[], i: Uint8):
	return (getUint16(buffer, i), i+2)

18.2.3 getUint64 ​

typescript
function getUint64(data: Uint8[], i: Uint8):
	return 
		dxb[i] + 
		dxb[i+1] * 0xff +
		dxb[i+2] * 0xffff +
		dxb[i+3] * 0xffffff +
		dxb[i+4] * 0xffffffff +
		dxb[i+5] * 0xffffffffff +
		dxb[i+6] * 0xffffffffffff +
		dxb[i+7] * 0xffffffffffffff

18.2.4 extractUint64 ​

typescript
function extractUint64(buffer: Uint8[], i: Uint8):
	return (getUint64(buffer, i), i+8)

18.2.5 getUint32 ​

typescript
function getUint32(data: Uint8[], i: Uint8):
	return 
		dxb[i] + 
		dxb[i+1] * 0xff +
		dxb[i+2] * 0xffff +
		dxb[i+3] * 0xffffff

18.2.6 extractUint32 ​

typescript
function extractUint32(buffer: Uint8[], i: Uint8):
	return (getUint32(buffer, i), i+4)

18.2.7 getSlice ​

typescript
function getSlice(data: Uint8[], i: Uint8, length: Uint8):
	return data[i..i+length]

18.2.8 extractSlice ​

typescript
function extractSlice(buffer: Uint8[], i: Uint8, length: Uint8):
	return (getSlice(buffer, i, length), i+length)