EDOBE XDOM TAKE 6 IR - PRODUCTSHEET Specifikace stáhnout pdf (Strana 275)

CHAPTER 10: Scripting Access to XMP Metadata XMPScript object reference 275

registerAlias()

XMPMeta.registerAlias (aliasNS, aliasProp, actualNS, actualProp, arrayForm )

aliasNS

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

page 262.

aliasProp

The alias property, a simple name string.

actualNS

The namespace string of the aliased property. See “Schema namespace string

constants” on page 262.

actualProp

The aliased property, a simple name string.

arrayForm

Number. The array form for a simple alias to an array item, which controls how

the array is created if it is set for the first time through the alias. One of these

constants:

XMPConst.ALIAS_TO_SIMPLE_PROP (default) — A direct mapping. It can be

simple-to-simple, array-to-array, or structure-to-structure.

XMPConst.ALIAS_TO_ARRAY — The actual is an unordered array, the alias

is to the first element of the array.

XMPConst.ALIAS_TO_ORDERED_ARRAY — The actual is an ordered array,

the alias is to the first element of the array.

XMPConst.ALIAS_TO_ALT_ARRAY — The actual is an alternate array, the

alias is to the first element of the array.

XMPConst.ALIAS_TO_ALT_TEXT — The actual is an alternate-text array (a

localized property), the alias is to the

x-default element of the array.

Defines an alias mapping from one namespace and property to another. An alias can be a direct

mapping where the alias and actual property have the same data type, or it can map a simple alias

to an item in an array, either the first item, or the

x-default item in an alternate-text array.

Multiple alias names can map to the same actual property, as long as the forms match. If the same

alias and form exists, the call does nothing.

Returns

undefined.

registerNamespace()

XMPMeta.registerNamespace (namespaceURI, suggestedPrefix)

namespaceURI

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

page 262.

suggestedPrefix

The suggested namespace prefix string.

Registers a namespace with a prefix. If the suggested prefix is already in use, generates, registers,

and returns a different prefix.

Returns a String containing the actual registered prefix. This is the

suggestedPrefix, unless that

one is already assigned to another namespace.

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