зеркало из https://github.com/mozilla/pjs.git
956 строки
26 KiB
C++
956 строки
26 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Simon Fraser <sfraser@netscape.com>
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*/
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#include "nsAEUtils.h"
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#include "nsAETokens.h"
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#include "nsAECoreClass.h"
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#include "nsAEGenericClass.h"
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/*----------------------------------------------------------------------------
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AEGenericClass
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----------------------------------------------------------------------------*/
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AEGenericClass::AEGenericClass(DescType classType, DescType containerClass)
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: mClass(classType)
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, mContainerClass(containerClass)
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, mItemFromContainerAccessor(nil)
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{
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// Window from null accessor used by the entire window hierarchy
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mItemFromContainerAccessor = NewOSLAccessorProc(AEGenericClass::ItemFromContainerAccessor);
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ThrowIfNil(mItemFromContainerAccessor);
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OSErr err;
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err = AEInstallObjectAccessor(mClass, containerClass,
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mItemFromContainerAccessor,
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(long)this,
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false);
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// although items of a given class can't contain other items of the same class,
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// we need this accessor to support formRelativePostion,
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// which sends us one item as a "container" and asks us to find
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// either the item before or after that item
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err = AEInstallObjectAccessor(mClass, mClass,
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mItemFromContainerAccessor,
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(long)this,
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false);
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ThrowIfOSErr(err);
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}
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/*----------------------------------------------------------------------------
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~AEGenericClass
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----------------------------------------------------------------------------*/
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AEGenericClass::~AEGenericClass()
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{
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if (mItemFromContainerAccessor)
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DisposeOSLAccessorUPP(mItemFromContainerAccessor);
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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DispatchEvent
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Handles all OSL messages that this object should handle
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----------------------------------------------------------------------------*/
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void AEGenericClass::DispatchEvent(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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OSErr err = noErr;
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AEEventID eventID;
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OSType typeCode;
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Size actualSize = 0L;
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// Get the event ID
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err = AEGetAttributePtr(appleEvent, keyEventIDAttr,
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typeType,
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&typeCode,
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(Ptr)&eventID,
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sizeof(eventID),
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&actualSize);
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ThrowIfOSErr(err);
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try
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{
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switch (eventID)
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{
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case kAEClone:
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HandleDuplicate(token, appleEvent, reply);
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break;
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case kAEClose:
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HandleClose(token, appleEvent, reply);
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break;
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case kAECountElements:
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HandleCount(token, appleEvent, reply);
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break;
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case kAECreateElement:
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HandleMake(token, appleEvent, reply);
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break;
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case kAEDelete:
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HandleDelete(token, appleEvent, reply);
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break;
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case kAEDoObjectsExist:
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HandleExists(token, appleEvent, reply);
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break;
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case kAEGetData:
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HandleGetData(token, appleEvent, reply);
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break;
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case kAEGetDataSize:
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HandleDataSize(token, appleEvent, reply);
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break;
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case kAEMove:
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HandleMove(token, appleEvent, reply);
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break;
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case kAEOpen: // == kAEOpenDocuments
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HandleOpen(token, appleEvent, reply);
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break;
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case kAEPrint:
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HandlePrint(token, appleEvent, reply);
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break;
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case kAEOpenApplication:
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HandleRun(token, appleEvent, reply);
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break;
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case kAEQuitApplication:
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HandleQuit(token, appleEvent, reply);
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break;
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case kAESave:
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HandleSave(token, appleEvent, reply);
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break;
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case kAESetData:
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HandleSetData(token, appleEvent, reply);
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break;
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// MT-NW suite
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case kAEExtract:
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HandleExtract(token, appleEvent, reply);
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break;
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case kAESendMessage:
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HandleSendMessage(token, appleEvent, reply);
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break;
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default:
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err = errAEEventNotHandled;
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break;
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}
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}
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catch (OSErr catchErr)
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{
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PutReplyErrorNumber(reply, catchErr);
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throw;
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}
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catch ( ... )
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{
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PutReplyErrorNumber(reply, paramErr);
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throw;
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}
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}
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/*----------------------------------------------------------------------------
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GetProperty
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----------------------------------------------------------------------------*/
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void AEGenericClass::GetProperty( DescType desiredClass,
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const AEDesc* containerToken,
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DescType containerClass,
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken)
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{
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// call the base class utility method, which calls back up to the object
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GetPropertyFromListOrObject(desiredClass, containerToken, containerClass, keyForm, keyData, resultToken);
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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ItemFromContainerAccessor
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Callback for getting an item from its container
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----------------------------------------------------------------------------*/
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pascal OSErr AEGenericClass::ItemFromContainerAccessor( DescType desiredClass, // cWindow
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const AEDesc* containerToken, // null container
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DescType containerClass, // cApplication
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken, // specified window is returned in result
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long refCon)
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{
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AEGenericClass* itemClass = reinterpret_cast<AEGenericClass *>(refCon);
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if (!itemClass) return paramErr;
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OSErr err = noErr;
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try
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{
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itemClass->GetItemFromContainer(desiredClass, containerToken, containerClass, keyForm, keyData, resultToken);
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}
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catch(OSErr catchErr)
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{
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err = catchErr;
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}
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catch(...)
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{
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err = paramErr;
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}
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return err;
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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HandleClose
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleClose(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleCount
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleCount(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ConstAETokenDesc tokenDesc(token);
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long numberOfObjects = 0;
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DescType objectClass;
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OSErr err = noErr;
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if (!reply->dataHandle)
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return;
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// Get the class of object that we will count
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err = GetObjectClassFromAppleEvent(appleEvent, &objectClass);
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ThrowIfOSErr(err);
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err = CheckForUnusedParameters(appleEvent);
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ThrowIfOSErr(err);
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if (AEListUtils::TokenContainsTokenList(token))
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{
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err = AECountItems(token, &numberOfObjects);
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ThrowIfOSErr(err);
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}
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else
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{
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CountObjects(objectClass, tokenDesc.GetDispatchClass(), token, &numberOfObjects);
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}
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err = AEPutParamPtr(reply, keyAEResult,
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typeLongInteger,
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(Ptr)&numberOfObjects,
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sizeof(long));
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ThrowIfOSErr(err);
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}
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/*----------------------------------------------------------------------------
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HandleGetData
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleGetData(AEDesc *tokenOrTokenList, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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OSErr err = noErr;
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StAEDesc data;
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StAEDesc desiredTypes;
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(void)AEGetParamDesc(appleEvent, keyAERequestedType, typeAEList, &desiredTypes);
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GetDataFromListOrObject(tokenOrTokenList, &desiredTypes, &data);
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if (reply->descriptorType != typeNull)
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{
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err = AEPutKeyDesc(reply, keyDirectObject, &data);
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ThrowIfOSErr(err);
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}
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}
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/*----------------------------------------------------------------------------
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HandleSetData
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleSetData(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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SetDataForListOrObject(token, appleEvent, reply);
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}
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/*----------------------------------------------------------------------------
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HandleDataSize
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleDataSize(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleDelete
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All attempts to delete an empty list are handled here
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Application contains documents and windows, and they can't be deleted
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleDelete(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleDuplicate
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleDuplicate(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleExists
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If <anObject> exists...
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The AEResolve() function in AERCoreSuite.c will already have filtered
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out all cases where the object did not exist, so this function should
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always return TRUE.
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleExists(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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OSErr err;
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Boolean foundIt = true;
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err = AEPutParamPtr(reply,
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keyAEResult,
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typeBoolean,
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(Ptr)&foundIt,
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sizeof(Boolean));
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ThrowIfOSErr(err);
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}
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/*----------------------------------------------------------------------------
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HandleMake
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleMake(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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DescType insertionPos = typeNull;
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OSErr err = noErr;
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StAEDesc insertionLoc;
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StAEDesc objectSpec;
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// For Create Element, the object specifier is contained in
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// a typeInsertionLoc record instead of in a direct parameter.
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// We coerce the insertionLoc record into an AERecord so we can extract the fields.
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// Notice that this is a REQUIRED parameter, but we give it a default behavior
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// by creating a new element at beginning of the first document
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err = ::AEGetParamDesc(appleEvent, // Extract as a AERecord
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keyAEInsertHere,
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typeAERecord,
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&insertionLoc);
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if (err == errAEDescNotFound)
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{
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insertionPos = kAEBeginning;
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err = noErr;
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}
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else if (err == noErr)
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{
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// Get the enumerated insertion location (at end, in front, before, after, replace.)
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OSType typeCode;
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Size actualSize;
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err = ::AEGetKeyPtr(&insertionLoc,
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keyAEPosition, // insertion location
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typeEnumeration,
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&typeCode,
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(Ptr)&insertionPos,
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sizeof(insertionPos),
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&actualSize);
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// Extract and resolve the object specifier from the insertion location record.
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// In a case like "make new rectangle before rectangle 1 of document 1",
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// the ospec will resolve to "rectangle 1 of document 1"
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err = ::AEGetKeyDesc(&insertionLoc,
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keyAEObject,
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typeWildCard,
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&objectSpec);
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}
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// if there was a object specifier in the insertion location (eg, "before rectangle 1 of document 1"),
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// then we call AEResolve() to get a token for it,
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// Otherwise, is was something like "at end" or "at beginning", which is also OK,
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// then deal with it correctly later.
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if (objectSpec.descriptorType == typeNull)
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{
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::AEDisposeDesc(token); // destroy it's old representation, token will now be null descriptor
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}
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else
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{
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err = ::AEResolve(&objectSpec,
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kAEIDoMinimum,
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token); // token will contain info about the object to insert before, after, etc.
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ThrowIfOSErr(err);
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}
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// Extract the optional parameters from the AppleEvent
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// ----- [with data ....] -----
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StAEDesc withData;
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const AEDesc* withDataPtr = nil;
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err = ::AEGetParamDesc(appleEvent,
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keyAEData,
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typeWildCard,
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&withData);
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if (err == errAEDescNotFound)
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err = noErr;
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else
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{
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ThrowIfOSErr(err);
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withDataPtr = &withData;
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}
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// ----- [with properties {property: value, ...}] -----
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StAEDesc withProperties;
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const AEDesc* withPropertiesPtr = nil;
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err = AEGetParamDesc(appleEvent,
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keyAEPropData,
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typeWildCard,
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&withProperties);
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if (err == errAEDescNotFound)
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err = noErr;
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else
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{
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ThrowIfOSErr(err);
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withPropertiesPtr = &withProperties;
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}
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// Finally, use the token and other parameters to create & initialize the object
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MakeNewObject(insertionPos, token, withDataPtr, withPropertiesPtr, reply);
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}
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/*----------------------------------------------------------------------------
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HandleMove
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleMove(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleOpen
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleOpen(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleRun
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleRun(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandlePrint
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandlePrint(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleQuit
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleQuit(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleSave
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleSave(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleExtract
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleExtract(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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HandleSendMessage
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----------------------------------------------------------------------------*/
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void AEGenericClass::HandleSendMessage(AEDesc *token, const AppleEvent *appleEvent, AppleEvent *reply)
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{
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ThrowOSErr(errAEEventNotHandled);
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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CompareObjects
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----------------------------------------------------------------------------*/
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void AEGenericClass::CompareObjects( DescType comparisonOperator,
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const AEDesc * object,
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const AEDesc * descriptorOrObject,
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Boolean * result)
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{
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ThrowOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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CountObjects
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----------------------------------------------------------------------------*/
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void AEGenericClass::CountObjects( DescType desiredType,
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DescType containerClass,
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const AEDesc * container,
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long * result)
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{
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ThrowOSErr(errAEEventNotHandled);
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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GetDataFromListOrObject
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|
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----------------------------------------------------------------------------*/
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|
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void AEGenericClass::GetDataFromListOrObject(const AEDesc *tokenOrTokenList, AEDesc *desiredTypes, AEDesc *data)
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{
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if (AEListUtils::TokenContainsTokenList(tokenOrTokenList) == false)
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{
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GetDataFromObject(tokenOrTokenList, desiredTypes, data);
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}
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else
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{
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ThrowIfOSErr(AECreateList(nil, 0, false, data));
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GetDataFromList(tokenOrTokenList, desiredTypes, data);
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}
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}
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/*----------------------------------------------------------------------------
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GetDataFromListOrObject
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----------------------------------------------------------------------------*/
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|
|
void AEGenericClass::SetDataForListOrObject(const AEDesc *tokenOrTokenList, const AppleEvent *appleEvent, AppleEvent *reply)
|
|
{
|
|
StAEDesc data;
|
|
|
|
switch (tokenOrTokenList->descriptorType)
|
|
{
|
|
case typeAEList:
|
|
{
|
|
AECoreClass::GetAECoreHandler()->GetEventKeyDataParameter(appleEvent, typeWildCard, &data);
|
|
SetDataForList(tokenOrTokenList, &data);
|
|
}
|
|
break;
|
|
|
|
case cProperty:
|
|
{
|
|
ConstAETokenDesc tokenDesc(tokenOrTokenList);
|
|
DescType propertyCode = tokenDesc.GetPropertyCode();
|
|
//DescType objectClass = tokenDesc.GetObjectClass();
|
|
|
|
if (CanSetProperty(propertyCode))
|
|
{
|
|
AECoreClass::GetAECoreHandler()->GetEventKeyDataParameter(appleEvent, GetKeyEventDataAs(propertyCode), &data);
|
|
SetDataForObject(tokenOrTokenList, &data);
|
|
}
|
|
else
|
|
{
|
|
ThrowIfOSErr(errAENotModifiable);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
ThrowIfOSErr(errAENotModifiable);
|
|
}
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetDataFromList
|
|
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::GetDataFromList(const AEDesc *srcList, AEDesc *desiredTypes, AEDesc *dstList)
|
|
{
|
|
OSErr err;
|
|
long itemNum;
|
|
long numItems;
|
|
DescType keyword;
|
|
StAEDesc srcItem;
|
|
StAEDesc dstItem;
|
|
|
|
err = AECountItems((AEDescList*)srcList, &numItems);
|
|
ThrowIfOSErr(err);
|
|
|
|
for (itemNum = 1; itemNum <= numItems; itemNum++)
|
|
{
|
|
err = AEGetNthDesc(srcList, itemNum, typeWildCard, &keyword, &srcItem);
|
|
ThrowIfOSErr(err);
|
|
|
|
if (AEListUtils::TokenContainsTokenList(&srcItem) == false)
|
|
{
|
|
GetDataFromObject(&srcItem, desiredTypes, &dstItem); // Get data from single item
|
|
}
|
|
else
|
|
{
|
|
ThrowIfOSErr(AECreateList(nil, 0, false, &dstItem));
|
|
GetDataFromList(&srcItem, desiredTypes, &dstItem);
|
|
}
|
|
err = AEPutDesc(dstList, itemNum, &dstItem);
|
|
ThrowIfOSErr(err);
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetDataFromObject
|
|
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::GetDataFromObject(const AEDesc *token, AEDesc *desiredTypes, AEDesc *data)
|
|
{
|
|
ConstAETokenDesc tokenDesc(token);
|
|
DescType propertyCode = tokenDesc.GetPropertyCode();
|
|
OSErr err = noErr;
|
|
|
|
switch (propertyCode)
|
|
{
|
|
case pContents:
|
|
case typeNull:
|
|
// must mean contents. Make a self specifier.
|
|
CreateSpecifier(token, data);
|
|
break;
|
|
|
|
default:
|
|
err = errAECantSupplyType;
|
|
break;
|
|
}
|
|
|
|
ThrowIfOSErr(err);
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
SetDataForList
|
|
|
|
Given a token that contains a list of cWindow tokens,
|
|
walk the list recursively to set the data for each token in the list
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::SetDataForList(const AEDesc *token, AEDesc *data)
|
|
{
|
|
OSErr err;
|
|
|
|
if (AEListUtils::TokenContainsTokenList(token) == false)
|
|
{
|
|
SetDataForObject(token, data);
|
|
}
|
|
else
|
|
{
|
|
long numItems;
|
|
long itemNum;
|
|
err = AECountItems((AEDescList*)token, &numItems);
|
|
ThrowIfOSErr(err);
|
|
|
|
for (itemNum = 1; itemNum <= numItems; itemNum++)
|
|
{
|
|
StAEDesc tempToken;
|
|
AEKeyword keyword;
|
|
|
|
err = AEGetNthDesc((AEDescList*)token, itemNum, typeWildCard, &keyword, &tempToken);
|
|
ThrowIfOSErr(err);
|
|
|
|
if (AEListUtils::TokenContainsTokenList(&tempToken) == false)
|
|
{
|
|
SetDataForObject(&tempToken, data); // Set data from single item
|
|
}
|
|
else
|
|
{
|
|
SetDataForList(&tempToken, data); // Recurse sublist
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
CanGetProperty
|
|
|
|
----------------------------------------------------------------------------*/
|
|
DescType AEGenericClass::GetKeyEventDataAs(DescType propertyCode)
|
|
{
|
|
return typeWildCard;
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
/*----------------------------------------------------------------------------
|
|
CanGetProperty
|
|
|
|
----------------------------------------------------------------------------*/
|
|
Boolean AEGenericClass::CanGetProperty(DescType propertyCode)
|
|
{
|
|
Boolean canGet = false;
|
|
|
|
switch (propertyCode)
|
|
{
|
|
case pContents:
|
|
canGet = true;
|
|
break;
|
|
}
|
|
return canGet;
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------
|
|
CanSetProperty
|
|
|
|
----------------------------------------------------------------------------*/
|
|
Boolean AEGenericClass::CanSetProperty(DescType propertyCode)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
|
|
#pragma mark -
|
|
|
|
/*----------------------------------------------------------------------------
|
|
CreateSpecifier
|
|
|
|
Subclasses should not need to override this. It
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::CreateSpecifier(const AEDesc *token, AEDesc *outSpecifier)
|
|
{
|
|
CreateSelfSpecifier(token, outSpecifier);
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetContainerSpecifier
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::GetContainerSpecifier(const AEDesc *token, AEDesc *outContainerSpecifier)
|
|
{
|
|
outContainerSpecifier->descriptorType = typeNull;
|
|
outContainerSpecifier->dataHandle = nil;
|
|
|
|
AEDispatchHandler* handler = AECoreClass::GetDispatchHandlerForClass(mContainerClass);
|
|
if (handler)
|
|
{
|
|
handler->CreateSelfSpecifier(token, outContainerSpecifier);
|
|
}
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetPropertyFromListOrObject
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::GetPropertyFromListOrObject( DescType desiredClass,
|
|
const AEDesc* containerToken,
|
|
DescType containerClass,
|
|
DescType keyForm,
|
|
const AEDesc* keyData,
|
|
AEDesc* resultToken)
|
|
{
|
|
if (AEListUtils::TokenContainsTokenList((AEDescList*)containerToken) == false)
|
|
{
|
|
GetPropertyFromObject(desiredClass, containerToken, containerClass, keyForm, keyData, resultToken);
|
|
}
|
|
else
|
|
{
|
|
OSErr err = AECreateList(nil, 0, false, resultToken);
|
|
ThrowIfOSErr(err);
|
|
|
|
GetPropertyFromList(desiredClass, containerToken, containerClass, keyForm, keyData, resultToken);
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetPropertyFromList
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::GetPropertyFromList( DescType desiredClass,
|
|
const AEDesc* containerToken,
|
|
DescType containerClass,
|
|
DescType keyForm,
|
|
const AEDesc* keyData,
|
|
AEDesc* resultToken)
|
|
{
|
|
OSErr err = noErr;
|
|
long itemNum;
|
|
long numItems;
|
|
DescType keyword;
|
|
|
|
err = AECountItems((AEDescList*)containerToken, &numItems);
|
|
ThrowIfOSErr(err);
|
|
|
|
for (itemNum = 1; itemNum <= numItems; itemNum++)
|
|
{
|
|
StAEDesc srcItem;
|
|
StAEDesc dstItem;
|
|
|
|
err = AEGetNthDesc(containerToken, itemNum, typeWildCard, &keyword, &srcItem);
|
|
ThrowIfOSErr(err);
|
|
|
|
if (AEListUtils::TokenContainsTokenList(&srcItem) == false)
|
|
{
|
|
GetPropertyFromObject(desiredClass, &srcItem, containerClass, keyForm, keyData, &dstItem);
|
|
}
|
|
else
|
|
{
|
|
err = AECreateList(nil, 0, false, &dstItem);
|
|
ThrowIfOSErr(err);
|
|
|
|
GetPropertyFromList(desiredClass, &srcItem, containerClass, keyForm, keyData, &dstItem);
|
|
}
|
|
|
|
err = AEPutDesc(resultToken, itemNum, &dstItem);
|
|
ThrowIfOSErr(err);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetPropertyFromObject
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::GetPropertyFromObject( DescType desiredType,
|
|
const AEDesc* containerToken,
|
|
DescType containerClass,
|
|
DescType keyForm,
|
|
const AEDesc* keyData,
|
|
AEDesc* resultToken)
|
|
{
|
|
OSErr err;
|
|
DescType requestedProperty;
|
|
|
|
err = AEDuplicateDesc(containerToken, resultToken);
|
|
ThrowIfOSErr(err);
|
|
|
|
requestedProperty = **(DescType**)(keyData->dataHandle);
|
|
|
|
if (requestedProperty == kAEAll || requestedProperty == keyAEProperties)
|
|
requestedProperty = pProperties;
|
|
|
|
if (CanGetProperty(requestedProperty) || CanSetProperty(requestedProperty))
|
|
{
|
|
AETokenDesc resultTokenDesc(resultToken);
|
|
resultToken->descriptorType = desiredType;
|
|
resultTokenDesc.SetPropertyCode(requestedProperty);
|
|
}
|
|
else
|
|
{
|
|
ThrowIfOSErr(errAEEventNotHandled);
|
|
}
|
|
}
|
|
|
|
|
|
#pragma mark -
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
MakeNewObject
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEGenericClass::MakeNewObject( const DescType insertionPosition,
|
|
const AEDesc* token,
|
|
const AEDesc* ptrToWithData,
|
|
const AEDesc* ptrToWithProperties,
|
|
AppleEvent* reply)
|
|
{
|
|
ThrowOSErr(errAEEventNotHandled);
|
|
}
|
|
|