📄 jsdomelement.cpp
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/****************License************************************************
* Vocalocity OpenVXI
* Copyright (C) 2004-2005 by Vocalocity, Inc. All Rights Reserved.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* Vocalocity, the Vocalocity logo, and VocalOS are trademarks or
* registered trademarks of Vocalocity, Inc.
* OpenVXI is a trademark of Scansoft, Inc. and used under license
* by Vocalocity.
***********************************************************************/
#include "JSDOMElement.hpp"
#include <xercesc/dom/DOMException.hpp>
// JavaScript class definition
JSClass JSDOMElement::_jsClass = {
"Element", JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_PropertyStub,
JSDOMElement::JSGetProperty, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub,
JS_ConvertStub, JSDOMElement::JSDestructor,
0, 0, 0, 0,
0, 0, 0, 0
};
// JavaScript Initialization Method
JSObject *JSDOMElement::JSInit(JSContext *cx, JSObject *obj) {
if (obj==NULL)
obj = JS_GetGlobalObject(cx);
jsval oldobj;
if (JS_TRUE == JS_LookupProperty(cx, obj, JSDOMElement::_jsClass.name, &oldobj) && JSVAL_IS_OBJECT(oldobj))
return JSVAL_TO_OBJECT(oldobj);
JSObject *newobj = JS_InitClass(cx, obj, NULL, &JSDOMElement::_jsClass,
NULL, 0,
JSDOMElement::_JSPropertySpec, JSDOMElement::_JSFunctionSpec,
NULL, NULL);
if (newobj) {
InitNodeObject(cx, newobj);
}
return newobj;
}
// JavaScript Destructor
void JSDOMElement::JSDestructor(JSContext *cx, JSObject *obj) {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (p) delete p;
}
// JavaScript Object Linking
JSObject *JSDOMElement::getJSObject(JSContext *cx) {
if (!cx) return NULL;
if (!_JSinternal.o) {
_JSinternal.o = newJSObject(cx);
_JSinternal.c = cx;
if (!JS_SetPrivate(cx, _JSinternal.o, this)) return NULL;
}
return _JSinternal.o;
}
JSObject *JSDOMElement::newJSObject(JSContext *cx) {
return JS_NewObject(cx, &JSDOMElement::_jsClass, /*JSDOMNode::newJSObject(cx)*/ NULL, NULL);
}
// JavaScript Variable Table
JSPropertySpec JSDOMElement::_JSPropertySpec[] = {
{ "tagName", JSDOMElement::JSVAR_tagName, JSPROP_ENUMERATE | JSPROP_READONLY, 0, 0},
{ 0, 0, 0, 0, 0 }
};
// JavaScript Get Property Wrapper
JSBool JSDOMElement::JSGetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp) {
try {
if (JSVAL_IS_INT(id)) {
if (JSVAL_TO_INT(id) < JSDOMNode::JSVAR_LASTENUM )
return JSDOMNode::JSGetProperty(cx, obj, id, vp);
JSDOMElement *priv = (JSDOMElement*)JS_GetPrivate(cx, obj);
switch(JSVAL_TO_INT(id)) {
case JSVAR_tagName:
if (priv==NULL)
*vp = JSVAL_NULL;
else
*vp = __STRING_TO_JSVAL(priv->getTagName());
break;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_TRUE;
}
// JavaScript Function Table
JSFunctionSpec JSDOMElement::_JSFunctionSpec[] = {
{ "getAttribute", JSFUNC_getAttribute, 1, 0, 0 },
{ "getAttributeNS", JSFUNC_getAttributeNS, 2, 0, 0 },
{ "getAttributeNode", JSFUNC_getAttributeNode, 1, 0, 0 },
{ "getAttributeNodeNS", JSFUNC_getAttributeNodeNS, 2, 0, 0 },
{ "getElementsByTagName", JSFUNC_getElementsByTagName, 1, 0, 0 },
{ "getElementsByTagNameNS", JSFUNC_getElementsByTagNameNS, 2, 0, 0 },
{ "hasAttribute", JSFUNC_hasAttribute, 1, 0, 0 },
{ "hasAttributeNS", JSFUNC_hasAttributeNS, 2, 0, 0 },
{ 0, 0, 0, 0, 0 }
};
// JavaScript Function Wrappers
JSBool JSDOMElement::JSFUNC_getAttribute(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 1) return JS_FALSE;
if (argc == 1) {
if (JSVAL_IS_STRING(argv[0])) {
*rval = __STRING_TO_JSVAL(p->getAttribute(JSVAL_TO_STRING(argv[0])));
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSBool JSDOMElement::JSFUNC_getAttributeNS(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 2) return JS_FALSE;
if (argc == 2) {
if (JSVAL_IS_STRING(argv[0]) && JSVAL_IS_STRING(argv[1])) {
*rval = __STRING_TO_JSVAL(p->getAttributeNS(
JSVAL_TO_STRING(argv[0]),
JSVAL_TO_STRING(argv[1])
));
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSBool JSDOMElement::JSFUNC_getAttributeNode(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 1) return JS_FALSE;
if (argc == 1) {
if (JSVAL_IS_STRING(argv[0])) {
JSDOMAttr *attr = p->getAttributeNode(JSVAL_TO_STRING(argv[0]));
*rval = (attr ? __objectp_TO_JSVal(cx,attr) : JSVAL_NULL);
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSBool JSDOMElement::JSFUNC_getAttributeNodeNS(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 2) return JS_FALSE;
if (argc == 2) {
if (JSVAL_IS_STRING(argv[0]) && JSVAL_IS_STRING(argv[1])) {
JSDOMAttr *attr = p->getAttributeNodeNS(
JSVAL_TO_STRING(argv[0]),
JSVAL_TO_STRING(argv[1]));
*rval = (attr ? __objectp_TO_JSVal(cx,attr) : JSVAL_NULL);
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSBool JSDOMElement::JSFUNC_getElementsByTagName(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 1) return JS_FALSE;
if (argc == 1) {
if (JSVAL_IS_STRING(argv[0])) {
JSDOMNodeList *nl = p->getElementsByTagName(JSVAL_TO_STRING(argv[0]));
*rval = (nl ? __objectp_TO_JSVal(cx,nl) : JSVAL_NULL);
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSBool JSDOMElement::JSFUNC_getElementsByTagNameNS(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 2) return JS_FALSE;
if (argc == 2) {
if (JSVAL_IS_STRING(argv[0]) && JSVAL_IS_STRING(argv[1])) {
JSDOMNodeList *nl = p->getElementsByTagNameNS(
JSVAL_TO_STRING(argv[0]),
JSVAL_TO_STRING(argv[1]));
*rval = (nl ? __objectp_TO_JSVal(cx,nl) : JSVAL_NULL);
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSBool JSDOMElement::JSFUNC_hasAttribute(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 1) return JS_FALSE;
if (argc == 1) {
if (JSVAL_IS_STRING(argv[0])) {
*rval = __bool_TO_JSVal(cx,p->hasAttribute(JSVAL_TO_STRING(argv[0])));
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSBool JSDOMElement::JSFUNC_hasAttributeNS(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
try {
JSDOMElement *p = (JSDOMElement*)JS_GetPrivate(cx, obj);
if (argc < 2) return JS_FALSE;
if (argc == 2) {
if (JSVAL_IS_STRING(argv[0]) && JSVAL_IS_STRING(argv[1])) {
*rval = __bool_TO_JSVal(cx,p->hasAttributeNS(
JSVAL_TO_STRING(argv[0]),
JSVAL_TO_STRING(argv[1]) ));
return JS_TRUE;
}
}
}
catch(const DOMException &dome) {
return js_throw_dom_error(cx, obj, dome.code);
}
catch( ... ) {
return js_throw_error(cx, obj, "unknown exception" );
}
return JS_FALSE;
}
JSDOMElement::JSDOMElement( DOMElement *elem, JSDOMDocument *doc ) : JSDOMNode( elem, doc )
{
_elem = elem;
}
JSString* JSDOMElement::getTagName()
{
if (!_elem) return NULL;
XMLChToVXIchar name(_elem->getTagName());
GET_JSCHAR_FROM_VXICHAR(tmpvalue, tmpvaluelen, name.c_str());
return JS_NewUCStringCopyZ(_JSinternal.c, tmpvalue);
}
JSString* JSDOMElement::getAttribute(JSString* name)
{
if (!_elem) return NULL;
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(name));
VXIcharToXMLCh xmlname(nameval);
XMLChToVXIchar result(_elem->getAttribute(xmlname.c_str()));
GET_JSCHAR_FROM_VXICHAR(tmpvalue, tmpvaluelen, result.c_str());
return JS_NewUCStringCopyZ(_JSinternal.c, tmpvalue);
}
JSDOMAttr* JSDOMElement::getAttributeNode(JSString* name)
{
if (!_elem) return NULL;
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(name));
VXIcharToXMLCh xmlname(nameval);
DOMAttr *attr = _elem->getAttributeNode(xmlname.c_str());
return attr ? new JSDOMAttr(attr, getOwnerDocument(), this) : NULL;
}
JSDOMNodeList* JSDOMElement::getElementsByTagName(JSString* name)
{
if (!_elem) return NULL;
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(name));
VXIcharToXMLCh xmlname(nameval);
DOMNodeList *nl = _elem->getElementsByTagName(xmlname.c_str());
return new JSDOMNodeList(nl, getOwnerDocument());
}
JSString* JSDOMElement::getAttributeNS(JSString* namespaceURI, JSString* localName)
{
if (!_elem) return NULL;
GET_VXICHAR_FROM_JSCHAR(nsval, JS_GetStringChars(namespaceURI));
VXIcharToXMLCh xmlns(nsval);
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(localName));
VXIcharToXMLCh xmlname(nameval);
XMLChToVXIchar result(_elem->getAttributeNS(xmlns.c_str(), xmlname.c_str()));
GET_JSCHAR_FROM_VXICHAR(tmpvalue, tmpvaluelen, result.c_str());
return JS_NewUCStringCopyZ(_JSinternal.c, tmpvalue);
}
JSDOMAttr* JSDOMElement::getAttributeNodeNS(JSString* namespaceURI, JSString* localName)
{
if (!_elem) return NULL;
GET_VXICHAR_FROM_JSCHAR(nsval, JS_GetStringChars(namespaceURI));
VXIcharToXMLCh xmlns(nsval);
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(localName));
VXIcharToXMLCh xmlname(nameval);
DOMAttr *attr = _elem->getAttributeNodeNS(xmlns.c_str(), xmlname.c_str());
return attr ? new JSDOMAttr(attr, getOwnerDocument(), this) : NULL;
}
JSDOMNodeList* JSDOMElement::getElementsByTagNameNS(JSString* namespaceURI, JSString* localName)
{
if (!_elem) return NULL;
GET_VXICHAR_FROM_JSCHAR(nsval, JS_GetStringChars(namespaceURI));
VXIcharToXMLCh xmlns(nsval);
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(localName));
VXIcharToXMLCh xmlname(nameval);
DOMNodeList *nl = _elem->getElementsByTagNameNS(xmlns.c_str(), xmlname.c_str());
return new JSDOMNodeList(nl, getOwnerDocument());
}
bool JSDOMElement::hasAttribute(JSString* name)
{
if (!_elem) return false;
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(name));
VXIcharToXMLCh xmlname(nameval);
return _elem->hasAttribute(xmlname.c_str());
}
bool JSDOMElement::hasAttributeNS(JSString* namespaceURI, JSString* localName)
{
if (!_elem) return false;;
GET_VXICHAR_FROM_JSCHAR(nsval, JS_GetStringChars(namespaceURI));
VXIcharToXMLCh xmlns(nsval);
GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(localName));
VXIcharToXMLCh xmlname(nameval);
return _elem->hasAttributeNS(xmlns.c_str(), xmlname.c_str());
}
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