gecko/xpfe/bootstrap/appleevents/nsAEWordClass.cpp

369 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "def.h"
#include "wasteutil.h"
#include "AEUtils.h"
#include "AETextClass.h"
#include "AEWordClass.h"
/*----------------------------------------------------------------------------
GetNumItems
----------------------------------------------------------------------------*/
UInt32 AEWordIterator::GetNumItems(const AEDesc* containerToken)
{
AETokenDesc container(containerToken);
WEReference theWE = container.GetWEReference();
return theWE ? GetWENumWords(theWE) : 0;
}
/*----------------------------------------------------------------------------
GetIndexedItemReference
----------------------------------------------------------------------------*/
AEClassIterator::ItemRef AEWordIterator::GetIndexedItemReference(const AEDesc* containerToken, TAEListIndex itemIndex)
{
return (ItemRef)itemIndex;
}
/*----------------------------------------------------------------------------
GetIndexFromItemID
----------------------------------------------------------------------------*/
TAEListIndex AEWordIterator::GetIndexFromItemID(const AEDesc* containerToken, ItemID itemID)
{
return (TAEListIndex)itemID;
}
/*----------------------------------------------------------------------------
GetIndexedItemID
----------------------------------------------------------------------------*/
AEClassIterator::ItemID AEWordIterator::GetIndexedItemID(const AEDesc* containerToken, TAEListIndex itemIndex)
{
return (ItemID)GetIndexedItemReference(containerToken, itemIndex);
}
/*----------------------------------------------------------------------------
GetIDFromReference
----------------------------------------------------------------------------*/
AEClassIterator::ItemID AEWordIterator::GetIDFromReference(const AEDesc* containerToken, ItemRef itemRef)
{
return (ItemID)itemRef;
}
/*----------------------------------------------------------------------------
GetReferenceFromID
----------------------------------------------------------------------------*/
AEClassIterator::ItemRef AEWordIterator::GetReferenceFromID(const AEDesc* containerToken, ItemID itemID)
{
return (ItemRef)itemID;
}
/*----------------------------------------------------------------------------
GetItemIDFromToken
----------------------------------------------------------------------------*/
AEClassIterator::ItemID AEWordIterator::GetItemIDFromToken(const AEDesc* token)
{
AETokenDesc container(token);
return (ItemID)container.GetElementNumber();
}
/*----------------------------------------------------------------------------
SetItemIDInCoreToken
----------------------------------------------------------------------------*/
void AEWordIterator::SetItemIDInCoreToken(const AEDesc* containerToken, CoreTokenRecord* tokenRecord, ItemID itemID)
{
AETokenDesc tokenDesc(containerToken);
WindowPtr wind = tokenDesc.GetWindowPtr();
WEReference theWE = tokenDesc.GetWEReference();
tokenRecord->window = wind;
tokenRecord->theWE = theWE;
tokenRecord->elementNumber = (TAEListIndex)itemID;
}
#pragma mark -
/*----------------------------------------------------------------------------
AEWordClass
----------------------------------------------------------------------------*/
AEWordClass::AEWordClass()
: AEGenericClass(cWord, AETextClass::cTEText)
{
}
/*----------------------------------------------------------------------------
~AEWordClass
----------------------------------------------------------------------------*/
AEWordClass::~AEWordClass()
{
}
#pragma mark -
/*----------------------------------------------------------------------------
GetItemFromContainer
----------------------------------------------------------------------------*/
void AEWordClass::GetItemFromContainer( DescType desiredClass,
const AEDesc* containerToken,
DescType containerClass,
DescType keyForm,
const AEDesc* keyData,
AEDesc* resultToken)
{
AEWordIterator wordIterator;
wordIterator.GetItemFromContainer(desiredClass, containerToken, containerClass, keyForm, keyData, resultToken);
}
/*----------------------------------------------------------------------------
CountObjects
----------------------------------------------------------------------------*/
void AEWordClass::CountObjects( DescType desiredType,
DescType containerClass,
const AEDesc * container,
long * result)
{
AEWordIterator wordIterator;
long numItems = wordIterator.GetNumItems(container);
*result = numItems;
}
#pragma mark -
/*----------------------------------------------------------------------------
GetDataFromObject
----------------------------------------------------------------------------*/
void AEWordClass::GetDataFromObject(const AEDesc *token, AEDesc *desiredTypes, AEDesc *data)
{
AETokenDesc tokenDesc(token);
DescType aDescType = cWord;
DescType propertyCode = tokenDesc.GetPropertyCode();
WindowPtr window = tokenDesc.GetWindowPtr();
WEReference theWE = tokenDesc.GetWEReference();
TAEListIndex wordIndex = tokenDesc.GetElementNumber();
OSErr err = noErr;
long wordStart, wordEnd;
ThrowErrIfNil(theWE, errAENoSuchObject);
switch (propertyCode)
{
case pProperties:
err = AECreateList(nil, 0, true, data);
ThrowIfOSErr(err);
err = AEPutKeyPtr(data, pObjectType, typeType, &aDescType, sizeof(DescType));
break;
case pBestType:
case pClass:
case pDefaultType:
case pObjectType:
err = AECreateDesc(typeType, &aDescType, sizeof(DescType), data);
ThrowIfOSErr(err);
break;
case pContents:
case typeNull:
{
err = GetWEIndexedWordOffsets(theWE, wordIndex, &wordStart, &wordEnd);
ThrowIfOSErr(err);
Handle weHand = WEGetText(theWE);
StHandleLocker lockHand(weHand);
err = AECreateDesc(typeChar, *weHand + wordStart, wordEnd - wordStart,data);
ThrowIfOSErr(err);
}
break;
default:
Inherited::GetDataFromObject(token, desiredTypes, data);
break;
}
ThrowIfOSErr(err);
}
/*----------------------------------------------------------------------------
GetDataFromObject
----------------------------------------------------------------------------*/
void AEWordClass::SetDataForObject(const AEDesc *token, AEDesc *data)
{
AETokenDesc tokenDesc(token);
DescType aDescType = cWord;
DescType propertyCode = tokenDesc.GetPropertyCode();
WindowPtr window = tokenDesc.GetWindowPtr();
WEReference theWE = tokenDesc.GetWEReference();
TAEListIndex wordIndex = tokenDesc.GetElementNumber();
OSErr err = noErr;
long wordStart, wordEnd;
ThrowErrIfNil(theWE, errAENoSuchObject);
switch (propertyCode)
{
case pContents:
case typeNull:
{
err = GetWEIndexedWordOffsets(theWE, wordIndex, &wordStart, &wordEnd);
ThrowIfOSErr(err);
}
break;
}
ThrowIfOSErr(err);
}
#pragma mark -
/*----------------------------------------------------------------------------
CanSetProperty
----------------------------------------------------------------------------*/
Boolean AEWordClass::CanSetProperty(DescType propertyCode)
{
Boolean result = false;
switch (propertyCode)
{
case pBestType:
case pClass:
case pDefaultType:
case pObjectType:
result = false;
break;
case typeNull:
result = true; // contents
break;
case pProperties:
default:
result = Inherited::CanSetProperty(propertyCode);
break;
}
return result;
}
/*----------------------------------------------------------------------------
CanGetProperty
----------------------------------------------------------------------------*/
Boolean AEWordClass::CanGetProperty(DescType propertyCode)
{
Boolean result = false;
switch (propertyCode)
{
// Properties we can get:
case pBestType:
case pClass:
case pDefaultType:
case pObjectType:
case pProperties:
result = true;
break;
default:
result = Inherited::CanGetProperty(propertyCode);
break;
}
return result;
}
#pragma mark -
/*----------------------------------------------------------------------------
CreateSelfSpecifier
----------------------------------------------------------------------------*/
void AEWordClass::CreateSelfSpecifier(const AEDesc *token, AEDesc *outSpecifier)
{
AETokenDesc tokenDesc(token);
WEReference theWE = tokenDesc.GetWEReference();
TAEListIndex wordIndex = tokenDesc.GetElementNumber();
AEDesc selfDesc = { typeNull, nil };
AEDesc containerSpecifier = { typeNull, nil };
OSErr err = noErr;
GetContainerSpecifier(token, &containerSpecifier);
err = ::AECreateDesc(typeLongInteger, &wordIndex, sizeof(TAEListIndex), &selfDesc);
ThrowIfOSErr(err);
err = ::CreateObjSpecifier(mClass, &containerSpecifier, formAbsolutePosition, &selfDesc, true, outSpecifier);
ThrowIfOSErr(err);
}