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Diffstat (limited to '')
| -rw-r--r-- | src/libs/xpcom18a4/xpcom/glue/nsCOMPtr.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/glue/nsCOMPtr.cpp b/src/libs/xpcom18a4/xpcom/glue/nsCOMPtr.cpp new file mode 100644 index 00000000..cac3c6d4 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/glue/nsCOMPtr.cpp @@ -0,0 +1,124 @@ +/* -*- 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.org 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): + * Scott Collins <scc@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 "nsCOMPtr.h" + +nsresult +nsQueryInterface::operator()( const nsIID& aIID, void** answer ) const + { + nsresult status; + if ( mRawPtr ) + { + status = mRawPtr->QueryInterface(aIID, answer); +#ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS + NS_WARN_IF_FALSE(NS_SUCCEEDED(status), "interface not found---were you expecting that?"); +#endif + } + else + status = NS_ERROR_NULL_POINTER; + + return status; + } + +nsresult +nsQueryInterfaceWithError::operator()( const nsIID& aIID, void** answer ) const + { + nsresult status; + if ( mRawPtr ) + { + status = mRawPtr->QueryInterface(aIID, answer); +#ifdef NSCAP_FEATURE_TEST_NONNULL_QUERY_SUCCEEDS + NS_WARN_IF_FALSE(NS_SUCCEEDED(status), "interface not found---were you expecting that?"); +#endif + } + else + status = NS_ERROR_NULL_POINTER; + + if ( mErrorPtr ) + *mErrorPtr = status; + return status; + } + +nsCOMPtr_base::~nsCOMPtr_base() + { + NSCAP_LOG_RELEASE(this, mRawPtr); + if ( mRawPtr ) + NSCAP_RELEASE(this, mRawPtr); + } + +void +nsCOMPtr_base::assign_with_AddRef( nsISupports* rawPtr ) + { + if ( rawPtr ) + NSCAP_ADDREF(this, rawPtr); + assign_assuming_AddRef(rawPtr); + } + +void +nsCOMPtr_base::assign_from_qi( const nsQueryInterface qi, const nsIID& iid ) + { + nsISupports* newRawPtr; + if ( NS_FAILED( qi(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) ) + newRawPtr = 0; + assign_assuming_AddRef(newRawPtr); + } + +void +nsCOMPtr_base::assign_from_qi_with_error( const nsQueryInterfaceWithError& qi, const nsIID& iid ) + { + nsISupports* newRawPtr; + if ( NS_FAILED( qi(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) ) + newRawPtr = 0; + assign_assuming_AddRef(newRawPtr); + } + +void +nsCOMPtr_base::assign_from_helper( const nsCOMPtr_helper& helper, const nsIID& iid ) + { + nsISupports* newRawPtr; + if ( NS_FAILED( helper(iid, NS_REINTERPRET_CAST(void**, &newRawPtr)) ) ) + newRawPtr = 0; + assign_assuming_AddRef(newRawPtr); + } + +void** +nsCOMPtr_base::begin_assignment() + { + assign_assuming_AddRef(0); + return NS_REINTERPRET_CAST(void**, &mRawPtr); + } |