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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 "core/characterdata.h"
#include "core/comment.h"
#include "core/document.h"
#include "utils/utils.h"
/**
* A DOM Comment node
*/
struct dom_comment {
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(dom_document *doc,
dom_string *name, dom_string *value,
dom_comment **result)
{
dom_comment *c;
dom_exception err;
/* Allocate the comment node */
c = malloc(sizeof(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) {
free(c);
return err;
}
*result = c;
return DOM_NO_ERR;
}
/**
* Destroy a comment node
*
* \param comment The node to destroy
*
* The contents of ::comment will be destroyed and ::comment will be freed
*/
void _dom_comment_destroy(dom_comment *comment)
{
/* Finalise base class contents */
_dom_characterdata_finalise(&comment->base);
/* Free node */
free(comment);
}
/*-----------------------------------------------------------------------*/
/* The protected virtual functions */
/* The virtual destroy function */
void __dom_comment_destroy(dom_node_internal *node)
{
_dom_comment_destroy((dom_comment *) node);
}
/* The copy constructor of this class */
dom_exception _dom_comment_copy(dom_node_internal *old,
dom_node_internal **copy)
{
dom_comment *new_comment;
dom_exception err;
new_comment = malloc(sizeof(dom_comment));
if (new_comment == NULL)
return DOM_NO_MEM_ERR;
err = dom_characterdata_copy_internal(old, new_comment);
if (err != DOM_NO_ERR) {
free(new_comment);
return err;
}
*copy = (dom_node_internal *) new_comment;
return DOM_NO_ERR;
}
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