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CHAPTER 10: Scripting Access to XMP Metadata XMPScript object reference 281

insertArrayItem()

XMPMetaObj.insertArrayItem(schemaNS, arrayName, itemIndex, itemValue[, itemOptions])

schemaNS

The namespace URI string. See “Schema namespace string constants” on

page 262.

arrayName

String. The name of an existing array. Can be a general path expression.

itemIndex

Number. The 1-based position index at which to insert the new item. Use

XMPConst.ARRAY_LAST_ITEM to reference the last existing item in the array.

itemValue

String. The new item value. Pass null for array items that do not have values.

itemOptions

Optional. A flag that describes the new item, if it is being created. One of:

0: A simple item, the default.

XMPConst.PROP_IS_ARRAY: The item is an array (of type alt, bag, or seq).

XMPConst.PROP_IS_STRUCT: The item is a structure with nested fields.

Inserts an item into an array, before an existing item. The index positions of all later items are

incremented. The array must exist.

Returns

undefined.

iterator()

XMPMetaObj.iterator(options, schemaNS, propName)

options

The set of options that control how the iteration is performed, and how values are

returned. A logical OR of these bit-flag constants:

X XMPConst.ITERATOR_JUST_CHILDREN — Limit iteration to immediate

children of the root property. By default, iterates into subtrees.

X XMPConst.ITERATOR_JUST_LEAFNODES — Limit iteration to leaf nodes. By

default, iterates into all nodes of a subtree.

X XMPConst.ITERATOR_JUST_LEAFNAMES — Return only the leaf part of the

path. By default, returns a full path.

X XMPConst.ITERATOR_INCLUDE_ALIASES — Include aliases. By default,

considers only actual properties.

X XMPConst.ITERATOR_OMIT_QUALIFIERS — Omit qualifiers from iteration.

schemaNS

The namespace URI string. See “Schema namespace string constants” on

page 262.

propName

The name string of a property within which to iterate. Can be a general path

expression.

Creates an iteration object that can iterate over the properties, arrays, and qualifiers within this

metadata. Specify options, a namespace, and a property to limit the range and granularity of the

resulting items.

Returns an XMPIterator object

for this metadata object.

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