mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-02-26 20:30:41 +00:00
482 lines
14 KiB
C++
482 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
#include "jsapi.h"
|
|
#include "nscore.h"
|
|
#include "nsIScriptObject.h"
|
|
#include "nsIScriptObjectOwner.h"
|
|
#include "nsIDOMElement.h"
|
|
#include "nsIDOMAttribute.h"
|
|
#include "nsIDOMIterators.h"
|
|
#include "nsString.h"
|
|
|
|
static NS_DEFINE_IID(kIScriptObjectIID, NS_ISCRIPTOBJECT_IID);
|
|
static NS_DEFINE_IID(kIScriptObjectOwnerIID, NS_ISCRIPTOBJECTOWNER_IID);
|
|
static NS_DEFINE_IID(kIDOMAttributeIID, NS_IDOMATTRIBUTE_IID);
|
|
|
|
/***********************************************************************/
|
|
|
|
//
|
|
// Element properties getter
|
|
//
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
GetElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
// NS_ASSERTION(nsnull != element, "null pointer");
|
|
|
|
if (JSVAL_IS_INT(id)) {
|
|
switch(JSVAL_TO_INT(id)) {
|
|
case 0: //this is just to keep the compiler from issuing a warning
|
|
//that there is a switch with only a default case. MMP
|
|
default:
|
|
nsIScriptObject *object;
|
|
if (NS_OK == element->QueryInterface(kIScriptObjectIID, (void**)&object)) {
|
|
return object->GetProperty(cx, id, vp);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
//
|
|
// Element properties setter
|
|
//
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
SetElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
|
|
if (JSVAL_IS_INT(id)) {
|
|
switch(JSVAL_TO_INT(id)) {
|
|
case 0: //this is just to keep the compiler from issuing a warning
|
|
//that there is a switch with only a default case. MMP
|
|
default:
|
|
nsIScriptObject *object = nsnull;
|
|
if (NS_OK == element->QueryInterface(kIScriptObjectIID, (void**)&object)) {
|
|
return object->SetProperty(cx, id, vp);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
//
|
|
// Element finalizer
|
|
//
|
|
PR_STATIC_CALLBACK(void)
|
|
FinalizeElement(JSContext *cx, JSObject *obj)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
|
|
if (nsnull != element) {
|
|
// get the js object
|
|
nsIScriptObjectOwner *owner = nsnull;
|
|
if (NS_OK == element->QueryInterface(kIScriptObjectOwnerIID, (void**)&owner)) {
|
|
owner->ResetScriptObject();
|
|
NS_RELEASE(owner);
|
|
}
|
|
|
|
element->Release();
|
|
}
|
|
}
|
|
|
|
/***********************************************************************/
|
|
//
|
|
// JS->Native functions
|
|
//
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
GetTagName(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
*rval = JSVAL_NULL;
|
|
|
|
// call the function
|
|
nsAutoString string;
|
|
if (NS_OK == element->GetTagName(string)) {
|
|
JSString *jsstring = JS_NewUCStringCopyN(cx, string, string.Length());
|
|
// set the return value
|
|
*rval = STRING_TO_JSVAL(jsstring);
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
GetAttributes(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
*rval = JSVAL_NULL;
|
|
|
|
// call the function
|
|
nsIDOMAttributeList *attributeList = nsnull;
|
|
if (NS_OK == element->GetAttributes(&attributeList)) {
|
|
|
|
// get the js object
|
|
nsIScriptObjectOwner *owner = nsnull;
|
|
if (NS_OK == attributeList->QueryInterface(kIScriptObjectOwnerIID, (void**)&owner)) {
|
|
JSObject *object = nsnull;
|
|
if (NS_OK == owner->GetScriptObject(cx, (void**)&object)) {
|
|
// set the return value
|
|
*rval = OBJECT_TO_JSVAL(object);
|
|
}
|
|
NS_RELEASE(owner);
|
|
}
|
|
NS_RELEASE(attributeList);
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
GetAttribute(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
NS_ASSERTION(1 == argc, "wrong number of arguments");
|
|
*rval = JSVAL_NULL;
|
|
if (1 == argc) {
|
|
// get the arguments
|
|
if (JSVAL_IS_STRING(argv[0])) {
|
|
JSString *jsstring1 = JSVAL_TO_STRING(argv[0]);
|
|
nsAutoString string1 = JS_GetStringChars(jsstring1);
|
|
|
|
// call the function
|
|
nsAutoString string;
|
|
if (NS_OK == element->GetDOMAttribute(string1, string)) {
|
|
JSString *jsstring = JS_NewUCStringCopyN(cx, string, string.Length());
|
|
// set the return value
|
|
*rval = STRING_TO_JSVAL(jsstring);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
SetAttribute(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
NS_ASSERTION(2 == argc, "wrong number of arguments");
|
|
if (2 == argc) {
|
|
// get the arguments
|
|
if (JSVAL_IS_STRING(argv[0]) &&
|
|
JSVAL_IS_STRING(argv[1])) {
|
|
JSString *jsstring1 = JSVAL_TO_STRING(argv[0]);
|
|
nsAutoString string1 = JS_GetStringChars(jsstring1);
|
|
JSString *jsstring2 = JSVAL_TO_STRING(argv[1]);
|
|
nsAutoString string2 = JS_GetStringChars(jsstring2);
|
|
|
|
// call the function
|
|
element->SetDOMAttribute(string1, string2);
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
RemoveAttribute(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
NS_ASSERTION(1 == argc, "wrong number of arguments");
|
|
if (1 == argc) {
|
|
// get the arguments
|
|
if (JSVAL_IS_STRING(argv[0])) {
|
|
JSString *jsstring1 = JSVAL_TO_STRING(argv[0]);
|
|
nsAutoString string1 = JS_GetStringChars(jsstring1);
|
|
|
|
// call the function
|
|
element->RemoveAttribute(string1);
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
GetAttributeNode(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
NS_ASSERTION(1 == argc, "wrong number of arguments");
|
|
*rval = JSVAL_NULL;
|
|
if (1 == argc) {
|
|
// get the arguments
|
|
if (JSVAL_IS_STRING(argv[0])) {
|
|
JSString *jsstring1 = JSVAL_TO_STRING(argv[0]);
|
|
nsAutoString string1 = JS_GetStringChars(jsstring1);
|
|
|
|
// call the function
|
|
nsIDOMAttribute *attribute = nsnull;
|
|
if (NS_OK == element->GetAttributeNode(string1, &attribute)) {
|
|
|
|
// get the js object
|
|
nsIScriptObjectOwner *owner = nsnull;
|
|
if (NS_OK == attribute->QueryInterface(kIScriptObjectOwnerIID, (void**)&owner)) {
|
|
JSObject *object = nsnull;
|
|
if (NS_OK == owner->GetScriptObject(cx, (void**)&object)) {
|
|
// set the return value
|
|
*rval = OBJECT_TO_JSVAL(object);
|
|
}
|
|
NS_RELEASE(owner);
|
|
}
|
|
NS_RELEASE(attribute);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
SetAttributeNode(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
NS_ASSERTION(1 == argc, "wrong number of arguments");
|
|
if (1 == argc) {
|
|
// get the arguments
|
|
if (JSVAL_IS_OBJECT(argv[0])) {
|
|
JSObject *obj1 = JSVAL_TO_OBJECT(argv[0]);
|
|
//XXX should check if that's a good class (do not just GetPrivate)
|
|
nsISupports *support1 = (nsISupports*)JS_GetPrivate(cx, obj1);
|
|
NS_ASSERTION(nsnull != support1, "null pointer");
|
|
|
|
nsIDOMAttribute *attribute1 = nsnull;
|
|
if (NS_OK == support1->QueryInterface(kIDOMAttributeIID, (void**)&attribute1)) {
|
|
element->SetAttributeNode(attribute1);
|
|
NS_RELEASE(attribute1);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
RemoveAttributeNode(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
NS_ASSERTION(1 == argc, "wrong number of arguments");
|
|
if (1 == argc) {
|
|
// get the arguments
|
|
if (JSVAL_IS_OBJECT(argv[0])) {
|
|
JSObject *obj1 = JSVAL_TO_OBJECT(argv[0]);
|
|
//XXX should check if that's a good class (do not just GetPrivate)
|
|
nsISupports *support1 = (nsISupports*)JS_GetPrivate(cx, obj1);
|
|
NS_ASSERTION(nsnull != support1, "null pointer");
|
|
|
|
nsIDOMAttribute *attribute1 = nsnull;
|
|
if (NS_OK == support1->QueryInterface(kIDOMAttributeIID, (void**)&attribute1)) {
|
|
element->RemoveAttributeNode(attribute1);
|
|
NS_RELEASE(attribute1);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
GetElementsByTagName(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
NS_ASSERTION(1 == argc, "wrong number of arguments");
|
|
*rval = JSVAL_NULL;
|
|
if (1 == argc) {
|
|
// get the arguments
|
|
if (JSVAL_IS_STRING(argv[0])) {
|
|
JSString *jsstring1 = JSVAL_TO_STRING(argv[0]);
|
|
nsAutoString string1 = JS_GetStringChars(jsstring1);
|
|
|
|
// call the function
|
|
nsIDOMNodeIterator *nodeIterator = nsnull;
|
|
if (NS_OK == element->GetElementsByTagName(string1, &nodeIterator)) {
|
|
|
|
// get the js object
|
|
nsIScriptObjectOwner *owner = nsnull;
|
|
if (NS_OK == nodeIterator->QueryInterface(kIScriptObjectOwnerIID, (void**)&owner)) {
|
|
JSObject *object = nsnull;
|
|
if (NS_OK == owner->GetScriptObject(cx, (void**)&object)) {
|
|
// set the return value
|
|
*rval = OBJECT_TO_JSVAL(object);
|
|
}
|
|
NS_RELEASE(owner);
|
|
}
|
|
NS_RELEASE(nodeIterator);
|
|
}
|
|
}
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
Normalize(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
nsIDOMElement *element = (nsIDOMElement*)JS_GetPrivate(cx, obj);
|
|
NS_ASSERTION(nsnull != element, "null pointer");
|
|
|
|
// call the function
|
|
element->Normalize();
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
/***********************************************************************/
|
|
//
|
|
// the jscript class for a DOM Element
|
|
//
|
|
JSClass element = {
|
|
"Element",
|
|
JSCLASS_HAS_PRIVATE,
|
|
JS_PropertyStub,
|
|
JS_PropertyStub,
|
|
GetElementProperty,
|
|
SetElementProperty,
|
|
JS_EnumerateStub,
|
|
JS_ResolveStub,
|
|
JS_ConvertStub,
|
|
FinalizeElement
|
|
};
|
|
|
|
//
|
|
// Element property ids
|
|
//
|
|
|
|
//
|
|
// Element class properties
|
|
//
|
|
|
|
//
|
|
// Element class methods
|
|
//
|
|
static JSFunctionSpec elementMethods[] = {
|
|
{"getTagName", GetTagName, 0},
|
|
{"getAttributes", GetAttributes, 0},
|
|
{"getAttribute", GetAttribute, 1},
|
|
{"setAttribute", SetAttribute, 2},
|
|
{"removeAttribute", RemoveAttribute, 1},
|
|
{"getAttributeNode", GetAttributeNode, 1},
|
|
{"setAttributeNode", SetAttributeNode, 1},
|
|
{"removeAttributeNode", RemoveAttributeNode, 1},
|
|
{"getElementsByTagName", GetElementsByTagName, 1},
|
|
{"normalize", Normalize, 0},
|
|
{0}
|
|
};
|
|
|
|
//
|
|
// Element constructor
|
|
//
|
|
PR_STATIC_CALLBACK(JSBool)
|
|
Element(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
|
|
{
|
|
return JS_TRUE;
|
|
}
|
|
|
|
//
|
|
// Element static property ids
|
|
//
|
|
|
|
//
|
|
// Element static properties
|
|
//
|
|
|
|
//
|
|
// Element static methods
|
|
//
|
|
|
|
/***********************************************************************/
|
|
|
|
//
|
|
// Init this object class
|
|
//
|
|
nsresult NS_InitNodeClass(JSContext *aContext, JSObject **aPrototype);
|
|
nsresult NS_InitElementClass(JSContext *aContext, JSObject **aPrototype)
|
|
{
|
|
// look in the global object for this class prototype
|
|
static JSObject *proto = nsnull;
|
|
|
|
if (nsnull == proto) {
|
|
JSObject *parentProto;
|
|
NS_InitNodeClass(aContext, &parentProto);
|
|
proto = JS_InitClass(aContext, // context
|
|
JS_GetGlobalObject(aContext), // global object
|
|
parentProto, // parent proto
|
|
&element, // JSClass
|
|
Element, // JSNative ctor
|
|
0, // ctor args
|
|
NULL, // proto props
|
|
elementMethods, // proto funcs
|
|
NULL, // ctor props (static)
|
|
NULL); // ctor funcs (static)
|
|
if (nsnull == proto) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
|
|
if (nsnull != aPrototype) {
|
|
*aPrototype = proto;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//
|
|
// Element instance property ids
|
|
//
|
|
|
|
//
|
|
// Element instance properties
|
|
//
|
|
|
|
//
|
|
// New a element object in js, connect the native and js worlds
|
|
//
|
|
extern "C" NS_DOM nsresult NS_NewScriptElement(JSContext *aContext, nsIDOMElement *aElement, JSObject *aParent, JSObject **aJSObject)
|
|
{
|
|
NS_PRECONDITION(nsnull != aContext && nsnull != aElement && nsnull != aJSObject, "null arg");
|
|
JSObject *proto;
|
|
NS_InitElementClass(aContext, &proto);
|
|
|
|
// create a js object for this class
|
|
*aJSObject = JS_NewObject(aContext, &element, proto, aParent);
|
|
if (nsnull != *aJSObject) {
|
|
// define the instance specific properties
|
|
|
|
// connect the native object to the js object
|
|
JS_SetPrivate(aContext, *aJSObject, aElement);
|
|
aElement->AddRef();
|
|
}
|
|
else return NS_ERROR_FAILURE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|