94e1ef753b
http://wiki.mozilla.org/Breaking_the_grip_JS_has_on_the_DOM). See also bug 255942 - "Support other scripting languages than JS". Not part of the build - indeed this will not build at all until bug 255942 lands, or the latest patch there is applied. git-svn-id: svn://10.0.0.236/trunk@195705 18797224-902f-48f8-a5cc-f745e15eee43
132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is mozilla.org.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Hammond (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK *****
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*/
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#include "nsPyDOM.h"
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#include "nsIArray.h"
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class nsPyArgArray : public nsIPyArgArray, public nsIArray {
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public:
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nsPyArgArray(PyObject *ob);
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~nsPyArgArray();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIArray
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NS_DECL_NSIARRAY
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// nsIPyArgArray
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PyObject *GetArgs() {return mObject;}
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protected:
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PyObject *mObject;
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};
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nsPyArgArray::nsPyArgArray(PyObject *ob) :
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mObject(ob)
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{
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NS_ASSERTION(PySequence_Check(ob), "You won't get far without a sequence!");
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Py_INCREF(ob);
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}
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nsPyArgArray::~nsPyArgArray()
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{
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Py_DECREF(mObject);
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}
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// QueryInterface implementation for nsPyArgArray
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NS_INTERFACE_MAP_BEGIN(nsPyArgArray)
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NS_INTERFACE_MAP_ENTRY(nsIArray)
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NS_INTERFACE_MAP_ENTRY(nsIPyArgArray)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIPyArgArray)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsPyArgArray)
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NS_IMPL_RELEASE(nsPyArgArray)
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// nsIArray impl
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NS_IMETHODIMP nsPyArgArray::GetLength(PRUint32 *aLength)
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{
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CEnterLeavePython _celp;
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int size = PySequence_Length(mObject);
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if (size==-1) {
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return PyXPCOM_SetCOMErrorFromPyException();
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}
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*aLength = (PRUint32) size;
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return NS_OK;
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}
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/* void queryElementAt (in unsigned long index, in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result); */
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NS_IMETHODIMP nsPyArgArray::QueryElementAt(PRUint32 index, const nsIID & uuid, void * *result)
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{
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*result = nsnull;
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// for now let Python check index validity. Probably won't get the correct
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// hresult, but its not even clear what that is :)
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if (uuid.Equals(NS_GET_IID(nsIVariant)) || uuid.Equals(NS_GET_IID(nsISupports))) {
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CEnterLeavePython _celp;
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PyObject *sub = PySequence_GetItem(mObject, index);
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if (sub==NULL) {
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return PyXPCOM_SetCOMErrorFromPyException();
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}
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nsresult rv = PyObject_AsVariant(sub, (nsIVariant **)result);
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Py_DECREF(sub);
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return rv;
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}
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NS_WARNING("nsPyArgArray only handles nsIVariant");
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return NS_ERROR_NO_INTERFACE;
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}
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/* unsigned long indexOf (in unsigned long startIndex, in nsISupports element); */
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NS_IMETHODIMP nsPyArgArray::IndexOf(PRUint32 startIndex, nsISupports *element, PRUint32 *_retval)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* nsISimpleEnumerator enumerate (); */
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NS_IMETHODIMP nsPyArgArray::Enumerate(nsISimpleEnumerator **_retval)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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// The factory function
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nsresult NS_CreatePyArgv(PyObject *ob, nsIArray **aArray)
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{
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nsPyArgArray *ret = new nsPyArgArray(ob);
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if (ret == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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return ret->QueryInterface(NS_GET_IID(nsIArray), (void **)aArray);
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}
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