JSDOMDocument.cpp
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上传日期:2022-05-21
资源大小:1764k
文件大小:8k
源码类别:
xml/soap/webservice
开发平台:
Visual C++
- /****************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 "JSDOMDocument.hpp"
- #include "JSDOMNodeList.hpp"
- #include "JSDOMElement.hpp"
- #include <xercesc/dom/DOMException.hpp>
- // JavaScript class definition
- JSClass JSDOMDocument::_jsClass = {
- "Document", JSCLASS_HAS_PRIVATE,
- JS_PropertyStub, JS_PropertyStub,
- JSDOMDocument::JSGetProperty, JS_PropertyStub,
- JS_EnumerateStub, JS_ResolveStub,
- JS_ConvertStub, JSDOMDocument::JSDestructor,
- 0, 0, 0, 0,
- 0, 0, 0, 0
- };
- // JavaScript Initialization Method
- JSObject *JSDOMDocument::JSInit(JSContext *cx, JSObject *obj) {
- if (obj==NULL)
- obj = JS_GetGlobalObject(cx);
- jsval oldobj;
- if (JS_TRUE == JS_LookupProperty(cx, obj, JSDOMDocument::_jsClass.name, &oldobj) && JSVAL_IS_OBJECT(oldobj))
- return JSVAL_TO_OBJECT(oldobj);
- JSObject *newobj = JS_InitClass(cx, obj, NULL, &JSDOMDocument::_jsClass,
- NULL, 0,
- JSDOMDocument::_JSPropertySpec, JSDOMDocument::_JSFunctionSpec,
- NULL, NULL);
- if (newobj) {
- InitNodeObject(cx, newobj);
- }
- return newobj;
- }
- // JavaScript Destructor
- void JSDOMDocument::JSDestructor(JSContext *cx, JSObject *obj) {
- JSDOMDocument *p = (JSDOMDocument*)JS_GetPrivate(cx, obj);
- if (p) delete p;
- }
- // JavaScript Object Linking
- JSObject *JSDOMDocument::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 *JSDOMDocument::newJSObject(JSContext *cx) {
- return JS_NewObject(cx, &JSDOMDocument::_jsClass, NULL, NULL);
- }
- // JavaScript Variable Table
- JSPropertySpec JSDOMDocument::_JSPropertySpec[] = {
- { "documentElement", JSDOMDocument::JSVAR_documentElement, JSPROP_ENUMERATE | JSPROP_READONLY, 0, 0},
- { 0, 0, 0, 0, 0 }
- };
- // JavaScript Get Property Wrapper
- JSBool JSDOMDocument::JSGetProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp) {
- if (JSVAL_IS_INT(id)) {
- if (JSVAL_TO_INT(id) < JSDOMNode::JSVAR_LASTENUM )
- return JSDOMNode::JSGetProperty(cx, obj, id, vp );
- try {
- JSDOMDocument *priv;
- switch(JSVAL_TO_INT(id)) {
- case JSVAR_documentElement:
- priv = (JSDOMDocument*)JS_GetPrivate(cx, obj);
- if (priv==NULL)
- *vp = JSVAL_NULL;
- else {
- JSDOMElement *elem = priv->getDocumentElement();
- if (elem == NULL)
- *vp = JSVAL_NULL;
- else
- *vp = __objectp_TO_JSVal(cx,elem);
- }
- 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 JSDOMDocument::_JSFunctionSpec[] = {
- { "getElementById", JSFUNC_getElementById, 1, 0, 0 },
- { "getElementsByTagName", JSFUNC_getElementsByTagName, 1, 0, 0 },
- { "getElementsByTagNameNS", JSFUNC_getElementsByTagNameNS, 2, 0, 0 },
- { 0, 0, 0, 0, 0 }
- };
- // JavaScript Function Wrappers
- JSBool JSDOMDocument::JSFUNC_getElementById(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
- try {
- JSDOMDocument *p = (JSDOMDocument*)JS_GetPrivate(cx, obj);
- if (argc < 1) return JS_FALSE;
- if (argc == 1) {
- if (JSVAL_IS_STRING(argv[0])) {
- JSDOMElement *e = p->getElementById(JSVAL_TO_STRING(argv[0]));
- *rval = (e ? __objectp_TO_JSVal(cx,e) : 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 JSDOMDocument::JSFUNC_getElementsByTagName(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
- try {
- JSDOMDocument *p = (JSDOMDocument*)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 JSDOMDocument::JSFUNC_getElementsByTagNameNS(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval) {
- try {
- JSDOMDocument *p = (JSDOMDocument*)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;
- }
- JSDOMDocument::JSDOMDocument(DOMDocument *doc) : JSDOMNode(doc, this), _doc(doc)
- {
- }
- JSDOMElement* JSDOMDocument::getDocumentElement()
- {
- if (!_doc)
- return NULL;
- DOMElement *elem = _doc->getDocumentElement();
- return elem ? new JSDOMElement(elem, this) : NULL;
- }
- JSDOMNodeList* JSDOMDocument::getElementsByTagName(JSString* tagname)
- {
- if (!_doc)
- return new JSDOMNodeList(NULL, this);
- GET_VXICHAR_FROM_JSCHAR(tmpval, JS_GetStringChars(tagname));
- VXIcharToXMLCh tag(tmpval);
- DOMNodeList *list = _doc->getElementsByTagName(tag.c_str());
- return new JSDOMNodeList(list, this);
- }
- JSDOMNodeList* JSDOMDocument::getElementsByTagNameNS(JSString *namespaceURI, JSString *localName)
- {
- if (!_doc)
- return new JSDOMNodeList(NULL, this);
- GET_VXICHAR_FROM_JSCHAR(nsval, JS_GetStringChars(namespaceURI));
- VXIcharToXMLCh xmlns(nsval);
- GET_VXICHAR_FROM_JSCHAR(nameval, JS_GetStringChars(localName));
- VXIcharToXMLCh xmlname(nameval);
- DOMNodeList *list = _doc->getElementsByTagNameNS(xmlns.c_str(), xmlname.c_str());
- return new JSDOMNodeList(list, this);
- }
- JSDOMElement* JSDOMDocument::getElementById(JSString *elementId)
- {
- if (!_doc)
- return NULL;
- GET_VXICHAR_FROM_JSCHAR(idval, JS_GetStringChars(elementId));
- VXIcharToXMLCh xmlid(idval);
- DOMElement *elem = _doc->getElementById(xmlid.c_str());
- return elem ? new JSDOMElement(elem) : NULL;
- }