Service Development Help : webMethods Query Language : Sibling Operators
Sibling Operators
WQL provides the following set of operators to refer to siblings of a specified element. The examples shown in these descriptions refer to the following HTML structure:
The sibling operators are constrained by the current parent. If an operator exceeds the boundaries of the current parent, a null value is produced for that reference.
doc.element[x].@n.property
References the nth sibling after element[x], regardless of type. Compare with doc.element[x].+n.property, below.
Example
Result
doc.td[0].b[0].@1.text
Italic 0
doc.td[0].i[0].@1.text
Bold 1
doc.td[0].b[0].@4.text
Null
doc.element[x].@-n.property
References the nth sibling prior to element[x], regardless of type. Compare with doc.element[x].-n.property, below.
Example
Result
doc.td[1].b[end].@-2.text
Bold 3
doc.td[1].i[end].@-1.text
Bold 4
doc.td[1].b[end].@-3.text
Null
doc.element[x].+n.property
References the nth sibling after element[x] that is of the same type as element[x]. Compare with doc.element[x].@n.property, above.
Example
Result
doc.td[0].b[0].+1.text
Bold 1
doc.td[0].i[0].+1.text
Null
doc.td[0].b[0].+3.text
Null
doc.element[x].-n.property
References the nth sibling before element[x] that is of the same type as element[x]. Compare with doc.element[x].@-n.property, above.
Example
Result
doc.td[1].b[end].-2.text
Null
doc.td[1].i[end].-1.text
Italic 1
doc.td[1].b[end].-3.text
Null
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