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CHAPTER 10: Scripting Access to XMP Metadata XMPScript object reference 289

catenateArrayItems()

XMPUtils.catenateArrayItems(xmpObj, schemaNS, arrayName, separator, quotes, options)

xmpObj

The XMPMeta object containing the array.

schemaNS

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

page 262.

arrayName

The array property name string. Can be a general path expression. Each item in

the array must be a simple string value.

separator

The string used to separate the items in the result string. Default is '; ', an ASCII

semicolon and space (U+003B,U+0020).

quotes

The character used to quote items that contain a separator. Default is '"', an ASCII

double quote (U+0022).

options

Option flag that controls the concatenation. This constant value:

XMPConst.SEPARATE_ALLOW_COMMAS — Allow commas in item values (such

as "LastName, FirstName"). This option must be set the same way in this

function and in separateArrayItems()

to reconstruct the items correctly.

Default is 0.

Concatenates a set of array item values into a single string. The resulting string can be separated

back out into array items using separateArrayItems()

Returns the concatenated String.

composeArrayItemPath()

XMPUtils.composeArrayItemPath(schemaNS, arrayName, itemIndex)

schemaNS

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

page 262.

arrayName

The array property name string. Can be a general path expression.

itemIndex

Number. The 1-based position index of the item. Use

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

this case, the resulting path is

ns:arrayName[last()].

Creates and returns a string containing the path expression for an item in an array, using the

registered prefix for the namespace, in the form:

schemaNS:arrayName[itemIndex]

Returns a String.

composeFieldSelector()

XMPUtils.composeFieldSelector(schemaNS, arrayName, fieldNS, fieldName, fieldValue)

schemaNS

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

page 262.

arrayName

The array property name string. Can be a general path expression.

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