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/*
* This file is part of libdom.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2007 John-Mark Bell <jmb@netsurf-browser.org>
* Copyright 2009 Bo Yang <struggleyb.nku@gmail.com>
*/
#include <stdlib.h>
#include <dom/core/node.h>
#include "core/document.h"
#include "core/doc_fragment.h"
#include "core/node.h"
#include "utils/utils.h"
/**
* A DOM document fragment
*/
struct dom_document_fragment {
dom_node_internal base; /**< Base node */
};
static struct dom_node_vtable df_vtable = {
{
DOM_NODE_EVENT_TARGET_VTABLE
},
DOM_NODE_VTABLE
};
static struct dom_node_protect_vtable df_protect_vtable = {
DOM_DF_PROTECT_VTABLE
};
/**
* Create a document fragment
*
* \param doc The owning document
* \param name The name of the node to create
* \param value The text content of the node
* \param result Pointer to location to receive created node
* \return DOM_NO_ERR on success,
* DOM_NO_MEM_ERR on memory exhaustion.
*
* ::doc, ::name and ::value will have their reference counts increased.
*
* The returned node will already be referenced.
*/
dom_exception _dom_document_fragment_create(dom_document *doc,
dom_string *name, dom_string *value,
dom_document_fragment **result)
{
dom_document_fragment *f;
dom_exception err;
f = malloc(sizeof(dom_document_fragment));
if (f == NULL)
return DOM_NO_MEM_ERR;
f->base.base.vtable = &df_vtable;
f->base.vtable = &df_protect_vtable;
/* And initialise the node */
err = _dom_document_fragment_initialise(&f->base, doc,
DOM_DOCUMENT_FRAGMENT_NODE, name, value, NULL, NULL);
if (err != DOM_NO_ERR) {
free(f);
return err;
}
*result = f;
return DOM_NO_ERR;
}
/**
* Destroy a document fragment
*
* \param frag The document fragment to destroy
*
* The contents of ::frag will be destroyed and ::frag will be freed.
*/
void _dom_document_fragment_destroy(dom_document_fragment *frag)
{
/* Finalise base class */
_dom_document_fragment_finalise(&frag->base);
/* Destroy fragment */
free(frag);
}
/*-----------------------------------------------------------------------*/
/* Overload protected functions */
/* The virtual destroy function of this class */
void _dom_df_destroy(dom_node_internal *node)
{
_dom_document_fragment_destroy((dom_document_fragment *) node);
}
/* The copy constructor of this class */
dom_exception _dom_df_copy(dom_node_internal *old, dom_node_internal **copy)
{
dom_document_fragment *new_f;
dom_exception err;
new_f = malloc(sizeof(dom_document_fragment));
if (new_f == NULL)
return DOM_NO_MEM_ERR;
err = dom_node_copy_internal(old, new_f);
if (err != DOM_NO_ERR) {
free(new_f);
return err;
}
*copy = (dom_node_internal *) new_f;
return DOM_NO_ERR;
}
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