/*
 * DocumentContext.c : implementation of the DocumentContext interface
 *                     as defined by
 *       Document Object Model (Core) Level 1
 *       http://www.w3.org/TR/WD-DOM/level-one-core.html
 * 
 * Daniel.Veillard@w3.org
 *
 * $Id: DocumentContext.c,v 1.1 1998/06/14 03:22:00 daniel Exp $
 */

#include "config.h"
#include <stdio.h>
#include <malloc.h>
#include "Document.h"
#include "DocumentContext.h"

/*
 * Currently a Document Context is empty ! Waiting for DOM2 ...
 */
domDocumentContextPtr createDocumentContext(domDocumentPtr doc) {
    domDocumentContextPtr ret;

    if (doc == NULL) return(NULL);

    if (doc->contextInfo != NULL) return(doc->contextInfo);

    ret = (domDocumentContextPtr) malloc(sizeof(domDocumentContext));
    if (ret == NULL) return(NULL);
    doc->contextInfo = ret;
    ret->document = doc;
    return(ret);
}

/*
 * Destroying a Context, a piori one doesn't destroy the Document itself
 */

void destroyDocumentContext(domDocumentContextPtr ctxt) {
    if (ctxt == NULL) return;

    if (ctxt->document != NULL)
        ctxt->document->contextInfo = NULL;
    ctxt->document = (void *) 0xdeadbeef;
    free(ctxt);
}