AddContent – PB Docs 126

PBDOM_DOCUMENT:

AddContent method

Description

Allows
you to add a new PBDOM_OBJECT into the current PBDOM_DOCUMENT
object.

Syntax

Argument

Description

pbdom_document_name

The name of a PBDOM_DOCUMENT
object

pbdom_object_ref

The PBDOM_OBJECT to add

Return Values

PBDOM_OBJECT. The return value is the newly modified PBDOM_DOCUMENT
object returned as a PBDOM_OBJECT.

Throws

EXCEPTION_USE_OF_UNNAMED_PBDOM_OBJECT – The
input PBDOM_OBJECT is nameable, but it currently has no
name.

EXCEPTION_PBDOM_OBJECT_INVALID_FOR_USE – The
input PBDOM_OBJECT object is not associated with a derived
PBDOM_OBJECT class object.

EXCEPTION_INAPPROPRIATE_USE_OF_PBDOM_OBJECT – Adding
the input PBDOM_OBJECT is inappropriate. See description
section below on the valid PBDOM_OBJECTs that can be added
to a PBDOM_DOCUMENT object.

EXCEPTION_PBDOM_OBJECT_ALREADY_HAS_PARENT – If
the PBDOM_OBJECT to be added already has a parent PBDOM_OBJECT.

EXCEPTION_MULTIPLE_ROOT_ELEMENT – If
a PBDOM_ELEMENT is to be added and this document already
has a root element.

EXCEPTION_MULTIPLE_DOCTYPE – If
a PBDOM_DOCTYPE is to be added and this document already
has a DOCTYPE.

Examples

The document pbdom_doc1 is
created with three elements: pbdom_elem_1, pbdom_elem_2,
and pbdom_elem_3. pbdom_elem_2 and pbdom_elem_3 are
set as children of pbdom_element_1. pbdom_doc1.GetRootElement().Detach()detaches
the root element from pbdom_doc1. pbdom_elem_1 is
added as a child of pbdom_doc1 with pbdom_doc1.AddContent(pbdom_elem_1).

The original root element <Root_Element> has
been detached and replaced by <pbdom_elem_1>.
The document is transformed to:

If the following root element detachment statement is omitted,
an exception is thrown:

pbdom_doc1.GetRootElement().Detach()

Usage

The new PBDOM_OBJECT becomes a child PBDOM_OBJECT
of the current PBCOM_DOCUMENT. The following table lists
the PBDOM_OBJECTs that can be added to a PBDOM_DOCUMENT
object and the restrictions for their addition.

PBDOM_OBJECT

Restrictions

PBDOM_ELEMENT

Allowed to be added only if this document currently
does not contain any root element. Otherwise the exception EXCEPTION_MULTIPLE_ROOT_ELEMENT
is thrown.The PBDOM_ELEMENT to be added must not already
have a parent PBDOM_OBJECT. If it does, the exception EXCEPTION_PBDOM_OBJECT_ALREADY_HAS_PARENT
is thrown.

PBDOM_COMMENT

Any number of PBDOM_COMMENT
objects can be added to a document.The only restriction is that
the PBDOM_COMMENT must not already have a parent. If so,
the exception EXCEPTION_PBDOM_OBJECT_ALREADY_HAS_PARENT
is thrown.

PBDOM_
PROCESSINGINSTRUCTION

Any number of PBDOM_PROCESSINGINSTRUCTION
objects can be added to a document.The only restriction is that
the PBDOM_PROCESSINGINSTRUCTION must not already have a
parent. If so, the exception EXCEPTION_PBDOM_OBJECT_ALREADY_HAS_PARENT
is thrown.

PBDOM_DOCTYPE

Allowed to be added only if this document currently
does not contain any DOCTYPE node. Otherwise the exception EXCEPTION_MULTIPLE_DOCTYPE
is thrown.The PBDOM_DOCTYPE to be added must not already
have a parent PBDOM_OBJECT. If it does, the exception EXCEPTION_PBDOM_OBJECT_ALREADY_HAS_PARENT
is thrown.

See Also


Document get from Powerbuilder help
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