reqGet3StateValue()

This procedure retrieves 3-State value for given node string.

Parameter	Type		Description
baseNode	1024A VARYING, VARSIZE	Mandatory	This parameter is used to pass base node. Currently following base nodes are supproted: “IptorAPI”, “method”, “params”, “messages”, “control”, “id”
node	1024A VARYING, VARSIZE	Optional	Node name. This parameter is optional. If the structure is more complex then nodes must be divided by colon “:”
patern	10i 0 VARSIZE	Optional	Conversion pattern (see patterns)
valueType	1A	Optional	Returns type of value (see types of value)
exists	N	Optional	Returns ON if value exists, OFF if value does not exit

Procedure returns character vale depend on pattern (see patterns). In case of error the returned value is ‘ERROR’

Patterns:

pattern	Desctiption
#true_false_null	converts JSON true/false/null -> ’true’/‘false’/’null’ return string
#Y_N_BLANK	converts JSON true/false/null -> ‘Y’/‘N’/BLANK return string
#1_0_BLANK	converts JSON true/false/null -> ‘1’/‘0’/BLANK return string

Types of value:

type	Description
O	Object
C	Character
N	Numeric
T	true
F	false
0	null
E	error
BLANK	Value does not exist

Examples:

Xx3State = reqGet3StateValue('params': 'freeOfCharge');

Xx3State = reqGet3StateValue('params': 'freeOfCharge': #Y_N_BLANK);

Xx3State = reqGetBooleanValue('params':'freeOfCharge':#true_false_null);