/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #ifndef nsError_h #define nsError_h #ifndef prtypes_h___ #include "prtypes.h" #endif /** * Generic result data type */ typedef PRUint32 nsresult; /* * To add error code to your module, you need to do the following: * * 1) Add a module offset code. Add yours to the bottom of the list * right below this comment, adding 1. * * 2) In your module, define a header file which uses one of the * NE_ERROR_GENERATExxxxxx macros. Some examples below: * * #define NS_ERROR_MYMODULE_MYERROR1 NS_ERROR_GENERATE(NS_ERROR_SEVERITY_ERROR,NS_ERROR_MODULE_MYMODULE,1) * #define NS_ERROR_MYMODULE_MYERROR2 NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_MYMODULE,2) * #define NS_ERROR_MYMODULE_MYERROR3 NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_MYMODULE,3) * */ /** * @name Standard Module Offset Code. Each Module should identify a unique number * and then all errors associated with that module become offsets from the * base associated with that module id. There are 16 bits of code bits for * each module. */ #define NS_ERROR_MODULE_XPCOM 1 #define NS_ERROR_MODULE_BASE 2 #define NS_ERROR_MODULE_GFX 3 #define NS_ERROR_MODULE_WIDGET 4 #define NS_ERROR_MODULE_CALENDAR 5 #define NS_ERROR_MODULE_NETWORK 6 #define NS_ERROR_MODULE_PLUGINS 7 #define NS_ERROR_MODULE_LAYOUT 8 #define NS_ERROR_MODULE_HTMLPARSER 9 #define NS_ERROR_MODULE_RDF 10 #define NS_ERROR_MODULE_UCONV 11 #define NS_ERROR_MODULE_REG 12 #define NS_ERROR_MODULE_FILES 13 #define NS_ERROR_MODULE_MAILNEWS 16 #define NS_ERROR_MODULE_EDITOR 17 /** * @name Standard Error Handling Macros */ #define NS_FAILED(_nsresult) ((_nsresult) & 0x80000000) #define NS_SUCCEEDED(_nsresult) (!((_nsresult) & 0x80000000)) /** * @name Severity Code. This flag identifies the level of warning */ #define NS_ERROR_SEVERITY_SUCCESS 0 #define NS_ERROR_SEVERITY_ERROR 1 /** * @name Mozilla Code. This flag separates consumers of mozilla code * from the native platform */ #define NS_ERROR_MODULE_BASE_OFFSET 0x45 /** * @name Standard Error Generating Macros */ #define NS_ERROR_GENERATE(sev,module,code) \ ((nsresult) (((PRUint32)(sev)<<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))) ) #define NS_ERROR_GENERATE_SUCCESS(module,code) \ ((nsresult) (((PRUint32)(NS_ERROR_SEVERITY_SUCCESS)<<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))) ) #define NS_ERROR_GENERATE_FAILURE(module,code) \ ((nsresult) (((PRUint32)(NS_ERROR_SEVERITY_ERROR)<<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))) ) /** * @name Standard Macros for retrieving error bits */ #if PR_BYTES_PER_INT == 4 #define NS_IS_ERROR(err) (((nsresult)(err))<0) #else #define NS_IS_ERROR(err) (((((PRUint32)(err)) >> 31) & 0x1) == NS_ERROR_SEVERITY_ERROR) #endif #define NS_ERROR_GET_CODE(err) ((err) & 0xffff) #define NS_ERROR_GET_MODULE(err) (((((err) >> 16) - NS_ERROR_MODULE_BASE_OFFSET) & 0x1fff)) #define NS_ERROR_GET_SEVERITY(err) (((err) >> 31) & 0x1) /** * @name Standard return values */ /*@{*/ /* Standard "it worked" return value */ #define NS_OK 0 /* The backwards COM false */ #define NS_COMFALSE 1 #define NS_ERROR_BASE ((nsresult) 0xC1F30000) /* Returned when an instance is not initialized */ #define NS_ERROR_NOT_INITIALIZED (NS_ERROR_BASE + 1) /* Returned when an instance is already initialized */ #define NS_ERROR_ALREADY_INITIALIZED (NS_ERROR_BASE + 2) /* Returned by a not implemented function */ #define NS_ERROR_NOT_IMPLEMENTED ((nsresult) 0x80004001L) /* Returned when a given interface is not supported. */ #define NS_NOINTERFACE ((nsresult) 0x80004002L) #define NS_ERROR_NO_INTERFACE NS_NOINTERFACE #define NS_ERROR_INVALID_POINTER ((nsresult) 0x80004003L) #define NS_ERROR_NULL_POINTER NS_ERROR_INVALID_POINTER /* Returned when a function aborts */ #define NS_ERROR_ABORT ((nsresult) 0x80004004L) /* Returned when a function fails */ #define NS_ERROR_FAILURE ((nsresult) 0x80004005L) /* Returned when an unexpected error occurs */ #define NS_ERROR_UNEXPECTED ((nsresult) 0x8000ffffL) /* Returned when a memory allocation failes */ #define NS_ERROR_OUT_OF_MEMORY ((nsresult) 0x8007000eL) /* Returned when an illegal value is passed */ #define NS_ERROR_ILLEGAL_VALUE ((nsresult) 0x80070057L) #define NS_ERROR_INVALID_ARG NS_ERROR_ILLEGAL_VALUE /* Returned when a class doesn't allow aggregation */ #define NS_ERROR_NO_AGGREGATION ((nsresult) 0x80040110L) /* Returned when a class doesn't allow aggregation */ #define NS_ERROR_NOT_AVAILABLE ((nsresult) 0x80040111L) /* Returned when a class is not registered */ #define NS_ERROR_FACTORY_NOT_REGISTERED ((nsresult) 0x80040154L) /* Returned when a dynamically loaded factory couldn't be found */ #define NS_ERROR_FACTORY_NOT_LOADED ((nsresult) 0x800401f8L) /* Returned when a factory doesn't support signatures */ #define NS_ERROR_FACTORY_NO_SIGNATURE_SUPPORT \ (NS_ERROR_BASE + 0x101) /* Returned when a factory already is registered */ #define NS_ERROR_FACTORY_EXISTS (NS_ERROR_BASE + 0x100) /*@}*/ //////////////////////////////////////////////////////////////////////////////// #ifdef XP_PC #pragma warning(disable: 4251) // 'nsCOMPtr' needs to have dll-interface to be used by clients of class 'nsInputStream' #pragma warning(disable: 4275) // non dll-interface class 'nsISupports' used as base for dll-interface class 'nsIRDFNode' #endif #endif