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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 "core/characterdata.h"
#include "core/comment.h"
#include "core/document.h"
#include "utils/utils.h"
/**
* A DOM Comment node
*/
struct dom_comment {
struct dom_characterdata base; /**< Base node */
};
static struct dom_node_protect_vtable comment_protect_vtable = {
DOM_COMMENT_PROTECT_VTABLE
};
/**
* Create a comment node
*
* \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_comment_create(struct dom_document *doc,
struct lwc_string_s *name, struct dom_string *value,
struct dom_comment **result)
{
struct dom_comment *c;
dom_exception err;
/* Allocate the comment node */
c = _dom_document_alloc(doc, NULL, sizeof(struct dom_comment));
if (c == NULL)
return DOM_NO_MEM_ERR;
/* Set the virtual table */
((dom_node_internal *) c)->base.vtable = &characterdata_vtable;
((dom_node_internal *) c)->vtable = &comment_protect_vtable;
/* And initialise the node */
err = _dom_characterdata_initialise(&c->base, doc, DOM_COMMENT_NODE,
name, value);
if (err != DOM_NO_ERR) {
_dom_document_alloc(doc, c, 0);
return err;
}
*result = c;
return DOM_NO_ERR;
}
/**
* Destroy a comment node
*
* \param doc The owning document
* \param comment The node to destroy
*
* The contents of ::comment will be destroyed and ::comment will be freed
*/
void _dom_comment_destroy(struct dom_document *doc,
struct dom_comment *comment)
{
/* Finalise base class contents */
_dom_characterdata_finalise(doc, &comment->base);
/* Free node */
_dom_document_alloc(doc, comment, 0);
}
/*-----------------------------------------------------------------------*/
/* The protected virtual functions */
/* The virtual destroy function */
void __dom_comment_destroy(struct dom_node_internal *node)
{
struct dom_document *doc;
doc = dom_node_get_owner(node);
_dom_comment_destroy(doc, (struct dom_comment *) node);
}
/* The memory allocation function of this class */
dom_exception _dom_comment_alloc(struct dom_document *doc,
struct dom_node_internal *n, struct dom_node_internal **ret)
{
UNUSED(n);
dom_comment *c;
c = _dom_document_alloc(doc, NULL, sizeof(struct dom_comment));
if (c == NULL)
return DOM_NO_MEM_ERR;
*ret = (dom_node_internal *) c;
dom_node_set_owner(*ret, doc);
return DOM_NO_ERR;
}
/* The copy constructor of this class */
dom_exception _dom_comment_copy(struct dom_node_internal *new,
struct dom_node_internal *old)
{
return _dom_characterdata_copy(new, old);
}
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