mirror of
https://github.com/mozilla/gecko-dev.git
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441 lines
13 KiB
C++
441 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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#include "nsCOMPtr.h"
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#include "nsCRTGlue.h"
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#include "nsDOMClassInfo.h"
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#include "nsDOMError.h"
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#include "nsDOMException.h"
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#include "nsIDOMDOMException.h"
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#include "nsIDOMRangeException.h"
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#include "nsIDOMFileException.h"
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#ifdef MOZ_SVG
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#include "nsIDOMSVGException.h"
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#endif
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#include "nsIDOMXPathException.h"
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#include "nsIIDBDatabaseException.h"
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#include "nsString.h"
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#include "prprf.h"
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#define DOM_MSG_DEF(val, message) {(val), #val, message},
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#define IMPL_INTERNAL_DOM_EXCEPTION_HEAD(classname, ifname) \
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class classname : public nsBaseDOMException, \
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public ifname \
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{ \
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public: \
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classname(); \
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virtual ~classname(); \
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\
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NS_DECL_ISUPPORTS_INHERITED
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#define IMPL_INTERNAL_DOM_EXCEPTION_TAIL(classname, ifname, domname, module, \
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mapping_function) \
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}; \
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\
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classname::classname() {} \
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classname::~classname() {} \
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\
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DOMCI_DATA(domname, classname) \
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\
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NS_IMPL_ADDREF_INHERITED(classname, nsBaseDOMException) \
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NS_IMPL_RELEASE_INHERITED(classname, nsBaseDOMException) \
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NS_INTERFACE_MAP_BEGIN(classname) \
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NS_INTERFACE_MAP_ENTRY(ifname) \
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(domname) \
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NS_INTERFACE_MAP_END_INHERITING(nsBaseDOMException) \
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\
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nsresult \
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NS_New##domname(nsresult aNSResult, nsIException* aDefaultException, \
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nsIException** aException) \
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{ \
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if (!(NS_ERROR_GET_MODULE(aNSResult) == module)) { \
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NS_WARNING("Trying to create an exception for the wrong error module."); \
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return NS_ERROR_FAILURE; \
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} \
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const char* name; \
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const char* message; \
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mapping_function(aNSResult, &name, &message); \
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classname* inst = new classname(); \
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NS_ENSURE_TRUE(inst, NS_ERROR_OUT_OF_MEMORY); \
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inst->Init(aNSResult, name, message, aDefaultException); \
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*aException = inst; \
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NS_ADDREF(*aException); \
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return NS_OK; \
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}
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static struct ResultStruct
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{
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nsresult mNSResult;
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const char* mName;
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const char* mMessage;
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} gDOMErrorMsgMap[] = {
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#include "domerr.msg"
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{0, nsnull, nsnull} // sentinel to mark end of array
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};
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#undef DOM_MSG_DEF
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static void
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NSResultToNameAndMessage(nsresult aNSResult,
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const char** aName,
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const char** aMessage)
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{
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ResultStruct* result_struct = gDOMErrorMsgMap;
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while (result_struct->mName) {
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if (aNSResult == result_struct->mNSResult) {
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*aName = result_struct->mName;
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*aMessage = result_struct->mMessage;
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return;
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}
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++result_struct;
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}
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NS_WARNING("Huh, someone is throwing non-DOM errors using the DOM module!");
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return;
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}
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nsresult
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NS_GetNameAndMessageForDOMNSResult(nsresult aNSResult, const char** aName,
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const char** aMessage)
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{
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const char* name = nsnull;
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const char* message = nsnull;
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NSResultToNameAndMessage(aNSResult, &name, &message);
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if (name && message) {
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*aName = name;
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*aMessage = message;
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return NS_OK;
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}
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return NS_ERROR_NOT_AVAILABLE;
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}
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IMPL_INTERNAL_DOM_EXCEPTION_HEAD(nsDOMException, nsIDOMDOMException)
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NS_DECL_NSIDOMDOMEXCEPTION
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IMPL_INTERNAL_DOM_EXCEPTION_TAIL(nsDOMException, nsIDOMDOMException,
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DOMException, NS_ERROR_MODULE_DOM,
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NSResultToNameAndMessage)
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NS_IMETHODIMP
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nsDOMException::GetCode(PRUint32* aCode)
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{
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NS_ENSURE_ARG_POINTER(aCode);
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nsresult result;
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GetResult(&result);
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*aCode = NS_ERROR_GET_CODE(result);
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return NS_OK;
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}
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IMPL_INTERNAL_DOM_EXCEPTION_HEAD(nsRangeException, nsIDOMRangeException)
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NS_DECL_NSIDOMRANGEEXCEPTION
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IMPL_INTERNAL_DOM_EXCEPTION_TAIL(nsRangeException, nsIDOMRangeException,
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RangeException, NS_ERROR_MODULE_DOM_RANGE,
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NSResultToNameAndMessage)
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NS_IMETHODIMP
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nsRangeException::GetCode(PRUint16* aCode)
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{
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NS_ENSURE_ARG_POINTER(aCode);
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nsresult result;
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GetResult(&result);
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*aCode = NS_ERROR_GET_CODE(result);
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return NS_OK;
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}
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#ifdef MOZ_SVG
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IMPL_INTERNAL_DOM_EXCEPTION_HEAD(nsSVGException, nsIDOMSVGException)
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NS_DECL_NSIDOMSVGEXCEPTION
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IMPL_INTERNAL_DOM_EXCEPTION_TAIL(nsSVGException, nsIDOMSVGException,
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SVGException, NS_ERROR_MODULE_SVG,
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NSResultToNameAndMessage)
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NS_IMETHODIMP
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nsSVGException::GetCode(PRUint16* aCode)
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{
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NS_ENSURE_ARG_POINTER(aCode);
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nsresult result;
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GetResult(&result);
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*aCode = NS_ERROR_GET_CODE(result);
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return NS_OK;
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}
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#endif // MOZ_SVG
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IMPL_INTERNAL_DOM_EXCEPTION_HEAD(nsXPathException, nsIDOMXPathException)
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NS_DECL_NSIDOMXPATHEXCEPTION
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IMPL_INTERNAL_DOM_EXCEPTION_TAIL(nsXPathException, nsIDOMXPathException,
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XPathException, NS_ERROR_MODULE_DOM_XPATH,
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NSResultToNameAndMessage)
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NS_IMETHODIMP
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nsXPathException::GetCode(PRUint16* aCode)
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{
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NS_ENSURE_ARG_POINTER(aCode);
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nsresult result;
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GetResult(&result);
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*aCode = NS_ERROR_GET_CODE(result);
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return NS_OK;
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}
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IMPL_INTERNAL_DOM_EXCEPTION_HEAD(nsDOMFileException, nsIDOMFileException)
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NS_DECL_NSIDOMFILEEXCEPTION
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IMPL_INTERNAL_DOM_EXCEPTION_TAIL(nsDOMFileException, nsIDOMFileException,
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FileException, NS_ERROR_MODULE_DOM_FILE,
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NSResultToNameAndMessage)
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NS_IMETHODIMP
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nsDOMFileException::GetCode(PRUint16* aCode)
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{
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NS_ENSURE_ARG_POINTER(aCode);
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nsresult result;
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GetResult(&result);
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*aCode = NS_ERROR_GET_CODE(result);
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return NS_OK;
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}
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IMPL_INTERNAL_DOM_EXCEPTION_HEAD(nsIDBDatabaseException,
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nsIIDBDatabaseException)
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NS_DECL_NSIIDBDATABASEEXCEPTION
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IMPL_INTERNAL_DOM_EXCEPTION_TAIL(nsIDBDatabaseException,
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nsIIDBDatabaseException,
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IDBDatabaseException,
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NS_ERROR_MODULE_DOM_INDEXEDDB,
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NSResultToNameAndMessage)
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NS_IMETHODIMP
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nsIDBDatabaseException::GetCode(PRUint16* aCode)
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{
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NS_ASSERTION(aCode, "Null pointer!");
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nsresult result;
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GetResult(&result);
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*aCode = NS_ERROR_GET_CODE(result);
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return NS_OK;
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}
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nsBaseDOMException::nsBaseDOMException()
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{
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}
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nsBaseDOMException::~nsBaseDOMException()
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{
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}
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NS_IMPL_ISUPPORTS2(nsBaseDOMException, nsIException, nsIBaseDOMException)
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NS_IMETHODIMP
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nsBaseDOMException::GetMessageMoz(char **aMessage)
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{
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if (mMessage) {
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*aMessage = NS_strdup(mMessage);
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} else {
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*aMessage = nsnull;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetResult(PRUint32* aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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*aResult = mResult;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetName(char **aName)
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{
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NS_ENSURE_ARG_POINTER(aName);
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if (mName) {
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*aName = NS_strdup(mName);
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} else {
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*aName = nsnull;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetFilename(char **aFilename)
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{
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if (mInner) {
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return mInner->GetFilename(aFilename);
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}
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NS_ENSURE_ARG_POINTER(aFilename);
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*aFilename = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetLineNumber(PRUint32 *aLineNumber)
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{
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if (mInner) {
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return mInner->GetLineNumber(aLineNumber);
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}
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NS_ENSURE_ARG_POINTER(aLineNumber);
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*aLineNumber = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetColumnNumber(PRUint32 *aColumnNumber)
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{
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if (mInner) {
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return mInner->GetColumnNumber(aColumnNumber);
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}
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NS_ENSURE_ARG_POINTER(aColumnNumber);
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*aColumnNumber = 0;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetLocation(nsIStackFrame **aLocation)
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{
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if (mInner) {
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return mInner->GetLocation(aLocation);
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}
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NS_ENSURE_ARG_POINTER(aLocation);
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*aLocation = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetInner(nsIException **aInner)
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{
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NS_ENSURE_ARG_POINTER(aInner);
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*aInner = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::GetData(nsISupports **aData)
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{
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if (mInner) {
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return mInner->GetData(aData);
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}
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NS_ENSURE_ARG_POINTER(aData);
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*aData = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDOMException::ToString(char **aReturn)
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{
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*aReturn = nsnull;
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static const char defaultMsg[] = "<no message>";
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static const char defaultLocation[] = "<unknown>";
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static const char defaultName[] = "<unknown>";
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static const char format[] =
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"[Exception... \"%s\" code: \"%d\" nsresult: \"0x%x (%s)\" location: \"%s\"]";
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nsCAutoString location;
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if (mInner) {
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nsXPIDLCString filename;
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mInner->GetFilename(getter_Copies(filename));
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if (!filename.IsEmpty()) {
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PRUint32 line_nr = 0;
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mInner->GetLineNumber(&line_nr);
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char *temp = PR_smprintf("%s Line: %d", filename.get(), line_nr);
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if (temp) {
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location.Assign(temp);
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PR_smprintf_free(temp);
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}
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}
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}
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if (location.IsEmpty()) {
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location = defaultLocation;
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}
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const char* msg = mMessage ? mMessage : defaultMsg;
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const char* resultName = mName ? mName : defaultName;
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PRUint32 code = NS_ERROR_GET_CODE(mResult);
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*aReturn = PR_smprintf(format, msg, code, mResult, resultName,
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location.get());
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return *aReturn ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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NS_IMETHODIMP
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nsBaseDOMException::Init(nsresult aNSResult, const char* aName,
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const char* aMessage,
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nsIException* aDefaultException)
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{
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mResult = aNSResult;
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mName = aName;
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mMessage = aMessage;
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mInner = aDefaultException;
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return NS_OK;
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}
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