/*
* 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 "core/document.h"
#include "core/entity_ref.h"
#include "core/node.h"
#include "utils/utils.h"
/**
* A DOM entity reference
*/
struct dom_entity_reference {
dom_node_internal base; /**< Base node */
};
static struct dom_node_vtable er_vtable = {
{
DOM_NODE_EVENT_TARGET_VTABLE
},
DOM_NODE_VTABLE
};
static struct dom_node_protect_vtable er_protect_vtable = {
DOM_ER_PROTECT_VTABLE
};
/**
* Create an entity reference
*
* \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_entity_reference_create(dom_document *doc,
dom_string *name, dom_string *value,
dom_entity_reference **result)
{
dom_entity_reference *e;
dom_exception err;
/* Allocate the comment node */
e
= malloc(sizeof(dom_entity_reference
));
if (e == NULL)
return DOM_NO_MEM_ERR;
e->base.base.vtable = &er_vtable;
e->base.vtable = &er_protect_vtable;
/* And initialise the node */
err = _dom_entity_reference_initialise(&e->base, doc,
DOM_ENTITY_REFERENCE_NODE, name, value, NULL, NULL);
if (err != DOM_NO_ERR) {
return err;
}
*result = e;
return DOM_NO_ERR;
}
/**
* Destroy an entity reference
*
* \param entity The entity reference to destroy
*
* The contents of ::entity will be destroyed and ::entity will be freed.
*/
void _dom_entity_reference_destroy(dom_entity_reference *entity)
{
/* Finalise base class */
_dom_entity_reference_finalise(&entity->base);
/* Destroy fragment */
}
/**
* Get the textual representation of an EntityRererence
*
* \param entity The entity reference to get the textual representation of
* \param result Pointer to location to receive result
* \return DOM_NO_ERR on success.
*
* The returned string will have its reference count increased. It is
* the responsibility of the caller to unrer the string once it has
* finished with it.
*/
dom_exception _dom_entity_reference_get_textual_representation(
dom_entity_reference *entity, dom_string **result)
{
UNUSED(entity);
UNUSED(result);
return DOM_NOT_SUPPORTED_ERR;
}
/*-----------------------------------------------------------------------*/
/* Following comes the protected vtable */
/* The virtual destroy function of this class */
void _dom_er_destroy(dom_node_internal *node)
{
_dom_entity_reference_destroy((dom_entity_reference *) node);
}
/* The copy constructor of this class */
dom_exception _dom_er_copy(dom_node_internal *old, dom_node_internal **copy)
{
dom_entity_reference *new_er;
dom_exception err;
new_er
= malloc(sizeof(dom_entity_reference
));
if (new_er == NULL)
return DOM_NO_MEM_ERR;
err = dom_node_copy_internal(old, new_er);
if (err != DOM_NO_ERR) {
return err;
}
*copy = (dom_node_internal *) new_er;
return DOM_NO_ERR;
}