Create a new Node

Synopsis

long xmlNewNode(string name, [long type, long parentNode ])

XML library function

XmlNodePointer xmlNewNode(char *name, XmlNodePointer _pParent, XmlContextPointer pContext, int nodeType);

Description

Create a new XML node.

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import()

Syntax

long import( "variable", ref
variable )

Description

Import retrieves the value of the specified variable of the parent process. This parent process is not always identified by the variable parent in case of dynamic index switching. When using dynamic index switching, the parent process is sometimes killed and restarted. This causes a different parent process, whereas the variable parent is not updated.

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Create an Element Node with Data Node

Synopsis

long xmlNewDataElement(string name, string data, [ long parentNode ])

XML library function

XmlNodePointer xmlNewDataElement(char *name, char *value, XmlNodePointer _pParent, XmlContextPointer pContext);

Description

Create a new XML_ELEMENT node and new XML_DATA node. The XML_DATA node is the first child of the XML_ELEMENT node.

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import.4gl.var()

Syntax

void import.4gl.var( "variable", ref variable )

Description

Imports a 'predefined' 4GL variable. Like number.of.marks which is actually a macro.

Note

Currently only the following predefined variables can be imported:

• number.of.marks
• curr.key

In case an unknown variable is passed to this function, an ASSERT message pops up.

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Create context

Synopsis

No 3GL/4GL function

XML library function

XmlContextPointer xmlCreateContext(long mid);

Description

Create an XML context which is bound to a 3GL/4GL process.

Arguments

mid memory

mid memory allocation id returned by mal_reserve_id().

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Variables (inter-process transfer) overview and synopsis

Overview

Use these functions to access the variables of other processes. The variables can be of any type. They must be declared as external (with the keyword EXTERN).

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De-serialize XML Object

Synopsis

long xmlRead(long fp, ref string error, [ long whitespacehandling ] )
long xmlReadFromString(string xmlString, ref string error, [ long whitespacehandling ] )

XML library function

XmlNodePointer xmlRead(STREAM *fp, char *parserError, XmlContextPointer pContext);
XmlNodePointer xmlReadExt(STREAM *fp, char *parserError, XmlWhiteSpaceHandling whiteSpaceHandling, XmlContextPointer pContext);

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put.indexed.var()

Syntax

long put.indexed.var( long processno, "variable", expression, long dim1
[, long dim2, long dim3, long dim4 ] )

The assigns a new value to a specified variable in another process. It is the same as put.var() except that it enables a value to be assigned to an individual array element.

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Delete attribute

Synopsis

long xmlDeleteAttribute(long node, string attribute )

XML library function

int xmlDeleteAttribute(XmlNodePointer _pNode, char *name, XmlContextPointer pContext);

Description

Delete an attribute of an XML_ELEMENT or XML_DTD node.

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get.sub.object()

Syntax

long get.sub.object( long object, long sub_object_id [, long
attribute, ref value [, ref size] ] ... )

Description

This retrieves information about a specified subobject.

Arguments

object

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