Progress
Version 9
Product Update Bulletin
NODE-VALUE-TO-MEMPTR() Method
Copies the contents of an XML X-NODEREF node to a MEMPTR. This makes it easier to manipulate when its length exceeds the Progress text string limit, which is approximately 32K.
Return Type: LOGICAL Applies To: X-NODEREF Object HandleSYNTAX
memptr
An expression of type MEMPTR.
NODE-VALUE-TO-MEMPTR() frees the memory currently allocated by memptr (if any), allocates sufficient memory to the MEMPTR to accommodate the node, and copies the node to the MEMPTR.
If X-NODEREF:NODE-VALUE is "" (the empty string), the resulting memptr has a size of zero.
NOTE: When you no longer need the memory used by memptr, you must free it yourself. To do so, use the SET-SIZE statement.The following fragment uses NODE-VALUE-TO-MEMPTR() to access a large text node:
For more information on accessing XML documents using the Document Object Model (DOM) interface, see the Progress External Program Interfaces book.
Copyright © 2004 Progress Software Corporation www.progress.com Voice: (781) 280-4000 Fax: (781) 280-4095 |