| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is mozilla.org code.
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either of the GNU General Public License Version 2 or later (the "GPL"),
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| 26 | * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the MPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 |
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| 38 | #ifndef nsError_h__
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| 39 | #define nsError_h__
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| 40 |
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| 41 | #ifndef nscore_h___
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| 42 | #include "nscore.h" /* needed for nsresult */
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| 43 | #endif
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| 44 |
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| 45 | /*
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| 46 | * To add error code to your module, you need to do the following:
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| 47 | *
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| 48 | * 1) Add a module offset code. Add yours to the bottom of the list
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| 49 | * right below this comment, adding 1.
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| 50 | *
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| 51 | * 2) In your module, define a header file which uses one of the
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| 52 | * NE_ERROR_GENERATExxxxxx macros. Some examples below:
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| 53 | *
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| 54 | * #define NS_ERROR_MYMODULE_MYERROR1 NS_ERROR_GENERATE(NS_ERROR_SEVERITY_ERROR,NS_ERROR_MODULE_MYMODULE,1)
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| 55 | * #define NS_ERROR_MYMODULE_MYERROR2 NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_MYMODULE,2)
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| 56 | * #define NS_ERROR_MYMODULE_MYERROR3 NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_MYMODULE,3)
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| 57 | *
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| 58 | */
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| 59 |
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| 60 |
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| 61 | /**
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| 62 | * @name Standard Module Offset Code. Each Module should identify a unique number
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| 63 | * and then all errors associated with that module become offsets from the
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| 64 | * base associated with that module id. There are 16 bits of code bits for
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| 65 | * each module.
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| 66 | */
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| 67 |
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| 68 | #define NS_ERROR_MODULE_XPCOM 1
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| 69 | #define NS_ERROR_MODULE_BASE 2
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| 70 | #define NS_ERROR_MODULE_GFX 3
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| 71 | #define NS_ERROR_MODULE_WIDGET 4
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| 72 | #define NS_ERROR_MODULE_CALENDAR 5
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| 73 | #define NS_ERROR_MODULE_NETWORK 6
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| 74 | #define NS_ERROR_MODULE_PLUGINS 7
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| 75 | #define NS_ERROR_MODULE_LAYOUT 8
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| 76 | #define NS_ERROR_MODULE_HTMLPARSER 9
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| 77 | #define NS_ERROR_MODULE_RDF 10
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| 78 | #define NS_ERROR_MODULE_UCONV 11
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| 79 | #define NS_ERROR_MODULE_REG 12
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| 80 | #define NS_ERROR_MODULE_FILES 13
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| 81 | #define NS_ERROR_MODULE_DOM 14
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| 82 | #define NS_ERROR_MODULE_IMGLIB 15
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| 83 | #define NS_ERROR_MODULE_MAILNEWS 16
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| 84 | #define NS_ERROR_MODULE_EDITOR 17
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| 85 | #define NS_ERROR_MODULE_XPCONNECT 18
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| 86 | #define NS_ERROR_MODULE_PROFILE 19
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| 87 | #define NS_ERROR_MODULE_LDAP 20
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| 88 | #define NS_ERROR_MODULE_SECURITY 21
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| 89 | #define NS_ERROR_MODULE_DOM_XPATH 22
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| 90 | #define NS_ERROR_MODULE_DOM_RANGE 23
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| 91 | #define NS_ERROR_MODULE_URILOADER 24
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| 92 | #define NS_ERROR_MODULE_CONTENT 25
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| 93 | #define NS_ERROR_MODULE_PYXPCOM 26
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| 94 | #define NS_ERROR_MODULE_XSLT 27
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| 95 | #define NS_ERROR_MODULE_IPC 28
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| 96 | #define NS_ERROR_MODULE_SVG 29
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| 97 |
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| 98 | /* NS_ERROR_MODULE_GENERAL should be used by modules that do not
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| 99 | * care if return code values overlap. Callers of methods that
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| 100 | * return such codes should be aware that they are not
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| 101 | * globally unique. Implementors should be careful about blindly
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| 102 | * returning codes from other modules that might also use
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| 103 | * the generic base.
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| 104 | */
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| 105 | #define NS_ERROR_MODULE_GENERAL 51
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| 106 |
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| 107 | /**
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| 108 | * @name Standard Error Handling Macros
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| 109 | */
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| 110 |
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| 111 | #define NS_FAILED(_nsresult) (NS_UNLIKELY((_nsresult) & 0x80000000))
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| 112 | #define NS_SUCCEEDED(_nsresult) (NS_LIKELY(!((_nsresult) & 0x80000000)))
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| 113 |
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| 114 | /**
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| 115 | * @name Severity Code. This flag identifies the level of warning
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| 116 | */
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| 117 |
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| 118 | #define NS_ERROR_SEVERITY_SUCCESS 0
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| 119 | #define NS_ERROR_SEVERITY_ERROR 1
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| 120 |
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| 121 | /**
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| 122 | * @name Mozilla Code. This flag separates consumers of mozilla code
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| 123 | * from the native platform
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| 124 | */
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| 125 |
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| 126 | #define NS_ERROR_MODULE_BASE_OFFSET 0x45
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| 127 |
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| 128 | /**
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| 129 | * @name Standard Error Generating Macros
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| 130 | */
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| 131 |
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| 132 | #define NS_ERROR_GENERATE(sev,module,code) \
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| 133 | ((nsresult) (((PRUint32)(sev)<<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))) )
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| 134 |
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| 135 | #define NS_ERROR_GENERATE_SUCCESS(module,code) \
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| 136 | ((nsresult) (((PRUint32)(NS_ERROR_SEVERITY_SUCCESS)<<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))) )
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| 137 |
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| 138 | #define NS_ERROR_GENERATE_FAILURE(module,code) \
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| 139 | ((nsresult) (((PRUint32)(NS_ERROR_SEVERITY_ERROR)<<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))) )
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| 140 |
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| 141 | /**
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| 142 | * @name Standard Macros for retrieving error bits
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| 143 | */
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| 144 |
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| 145 | #define NS_ERROR_GET_CODE(err) ((err) & 0xffff)
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| 146 | #define NS_ERROR_GET_MODULE(err) (((((err) >> 16) - NS_ERROR_MODULE_BASE_OFFSET) & 0x1fff))
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| 147 | #define NS_ERROR_GET_SEVERITY(err) (((err) >> 31) & 0x1)
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| 148 |
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| 149 | /**
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| 150 | * @name Standard return values
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| 151 | */
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| 152 |
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| 153 | /*@{*/
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| 154 |
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| 155 | /* Standard "it worked" return value */
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| 156 | #define NS_OK 0
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| 157 |
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| 158 | #define NS_ERROR_BASE ((nsresult) 0xC1F30000)
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| 159 |
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| 160 | /* Returned when an instance is not initialized */
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| 161 | #define NS_ERROR_NOT_INITIALIZED (NS_ERROR_BASE + 1)
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| 162 |
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| 163 | /* Returned when an instance is already initialized */
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| 164 | #define NS_ERROR_ALREADY_INITIALIZED (NS_ERROR_BASE + 2)
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| 165 |
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| 166 | /* Returned by a not implemented function */
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| 167 | #define NS_ERROR_NOT_IMPLEMENTED ((nsresult) 0x80004001L)
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| 168 |
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| 169 | /* Returned when a given interface is not supported. */
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| 170 | #define NS_NOINTERFACE ((nsresult) 0x80004002L)
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| 171 | #define NS_ERROR_NO_INTERFACE NS_NOINTERFACE
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| 172 |
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| 173 | #define NS_ERROR_INVALID_POINTER ((nsresult) 0x80004003L)
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| 174 | #define NS_ERROR_NULL_POINTER NS_ERROR_INVALID_POINTER
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| 175 |
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| 176 | /* Returned when a function aborts */
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| 177 | #define NS_ERROR_ABORT ((nsresult) 0x80004004L)
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| 178 |
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| 179 | /* Returned when a function fails */
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| 180 | #define NS_ERROR_FAILURE ((nsresult) 0x80004005L)
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| 181 |
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| 182 | /* Returned when an IPC fails */
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| 183 | #define NS_ERROR_CALL_FAILED ((nsresult) 0x800706beL)
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| 184 |
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| 185 | /* Returned when an unexpected error occurs */
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| 186 | #define NS_ERROR_UNEXPECTED ((nsresult) 0x8000ffffL)
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| 187 |
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| 188 | /* Returned when a memory allocation fails */
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| 189 | #define NS_ERROR_OUT_OF_MEMORY ((nsresult) 0x8007000eL)
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| 190 |
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| 191 | /* Returned when an illegal value is passed */
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| 192 | #define NS_ERROR_ILLEGAL_VALUE ((nsresult) 0x80070057L)
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| 193 | #define NS_ERROR_INVALID_ARG NS_ERROR_ILLEGAL_VALUE
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| 194 |
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| 195 | /* Returned when a class doesn't allow aggregation */
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| 196 | #define NS_ERROR_NO_AGGREGATION ((nsresult) 0x80040110L)
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| 197 |
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| 198 | /* Returned when an operation can't complete due to an unavailable resource */
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| 199 | #define NS_ERROR_NOT_AVAILABLE ((nsresult) 0x80040111L)
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| 200 |
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| 201 | /* Returned when a class is not registered */
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| 202 | #define NS_ERROR_FACTORY_NOT_REGISTERED ((nsresult) 0x80040154L)
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| 203 |
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| 204 | /* Returned when a class cannot be registered, but may be tried again later */
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| 205 | #define NS_ERROR_FACTORY_REGISTER_AGAIN ((nsresult) 0x80040155L)
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| 206 |
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| 207 | /* Returned when a dynamically loaded factory couldn't be found */
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| 208 | #define NS_ERROR_FACTORY_NOT_LOADED ((nsresult) 0x800401f8L)
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| 209 |
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| 210 | /* Returned when a factory doesn't support signatures */
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| 211 | #define NS_ERROR_FACTORY_NO_SIGNATURE_SUPPORT \
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| 212 | (NS_ERROR_BASE + 0x101)
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| 213 |
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| 214 | /* Returned when a factory already is registered */
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| 215 | #define NS_ERROR_FACTORY_EXISTS (NS_ERROR_BASE + 0x100)
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| 216 |
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| 217 |
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| 218 | /* For COM compatibility reasons, we want to use exact error code numbers
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| 219 | for NS_ERROR_PROXY_INVALID_IN_PARAMETER and NS_ERROR_PROXY_INVALID_OUT_PARAMETER.
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| 220 | The first matches:
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| 221 |
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| 222 | #define RPC_E_INVALID_PARAMETER _HRESULT_TYPEDEF_(0x80010010L)
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| 223 |
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| 224 | Errors returning this mean that the xpcom proxy code could not create a proxy for
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| 225 | one of the in paramaters.
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| 226 |
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| 227 | Because of this, we are ignoring the convention if using a base and offset for
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| 228 | error numbers.
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| 229 |
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| 230 | */
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| 231 |
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| 232 | /* Returned when a proxy could not be create a proxy for one of the IN parameters
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| 233 | This is returned only when the "real" meathod has NOT been invoked.
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| 234 | */
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| 235 |
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| 236 | #define NS_ERROR_PROXY_INVALID_IN_PARAMETER ((nsresult) 0x80010010L)
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| 237 |
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| 238 | /* Returned when a proxy could not be create a proxy for one of the OUT parameters
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| 239 | This is returned only when the "real" meathod has ALREADY been invoked.
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| 240 | */
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| 241 |
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| 242 | #define NS_ERROR_PROXY_INVALID_OUT_PARAMETER ((nsresult) 0x80010011L)
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| 243 |
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| 244 |
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| 245 | /*@}*/
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| 246 |
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| 247 | /* I/O Errors */
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| 248 |
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| 249 | /* Stream closed */
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| 250 | #define NS_BASE_STREAM_CLOSED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 2)
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| 251 | /* Error from the operating system */
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| 252 | #define NS_BASE_STREAM_OSERROR NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 3)
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| 253 | /* Illegal arguments */
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| 254 | #define NS_BASE_STREAM_ILLEGAL_ARGS NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 4)
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| 255 | /* For unichar streams */
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| 256 | #define NS_BASE_STREAM_NO_CONVERTER NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 5)
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| 257 | /* For unichar streams */
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| 258 | #define NS_BASE_STREAM_BAD_CONVERSION NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 6)
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| 259 |
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| 260 | #define NS_BASE_STREAM_WOULD_BLOCK NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 7)
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| 261 |
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| 262 |
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| 263 | #define NS_ERROR_FILE_UNRECOGNIZED_PATH NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 1)
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| 264 | #define NS_ERROR_FILE_UNRESOLVABLE_SYMLINK NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 2)
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| 265 | #define NS_ERROR_FILE_EXECUTION_FAILED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 3)
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| 266 | #define NS_ERROR_FILE_UNKNOWN_TYPE NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 4)
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| 267 | #define NS_ERROR_FILE_DESTINATION_NOT_DIR NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 5)
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| 268 | #define NS_ERROR_FILE_TARGET_DOES_NOT_EXIST NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 6)
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| 269 | #define NS_ERROR_FILE_COPY_OR_MOVE_FAILED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 7)
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| 270 | #define NS_ERROR_FILE_ALREADY_EXISTS NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 8)
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| 271 | #define NS_ERROR_FILE_INVALID_PATH NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 9)
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| 272 | #define NS_ERROR_FILE_DISK_FULL NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 10)
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| 273 | #define NS_ERROR_FILE_CORRUPTED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 11)
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| 274 | #define NS_ERROR_FILE_NOT_DIRECTORY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 12)
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| 275 | #define NS_ERROR_FILE_IS_DIRECTORY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 13)
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| 276 | #define NS_ERROR_FILE_IS_LOCKED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 14)
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| 277 | #define NS_ERROR_FILE_TOO_BIG NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 15)
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| 278 | #define NS_ERROR_FILE_NO_DEVICE_SPACE NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 16)
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| 279 | #define NS_ERROR_FILE_NAME_TOO_LONG NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 17)
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| 280 | #define NS_ERROR_FILE_NOT_FOUND NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 18)
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| 281 | #define NS_ERROR_FILE_READ_ONLY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 19)
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| 282 | #define NS_ERROR_FILE_DIR_NOT_EMPTY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 20)
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| 283 | #define NS_ERROR_FILE_ACCESS_DENIED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 21)
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| 284 |
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| 285 | #define NS_SUCCESS_FILE_DIRECTORY_EMPTY NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_FILES, 1)
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| 286 |
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| 287 | /* Result codes used by nsIVariant */
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| 288 |
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| 289 | #define NS_ERROR_CANNOT_CONVERT_DATA NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 1)
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| 290 | #define NS_ERROR_OBJECT_IS_IMMUTABLE NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 2)
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| 291 | #define NS_ERROR_LOSS_OF_SIGNIFICANT_DATA NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 3)
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| 292 |
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| 293 | #define NS_SUCCESS_LOSS_OF_INSIGNIFICANT_DATA NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_XPCOM, 1)
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| 294 |
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| 295 |
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| 296 | /*
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| 297 | * This will return the nsresult corresponding to the most recent NSPR failure
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| 298 | * returned by PR_GetError.
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| 299 | *
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| 300 | ***********************************************************************
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| 301 | * Do not depend on this function. It will be going away!
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| 302 | ***********************************************************************
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| 303 | */
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| 304 | extern NS_COM nsresult
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| 305 | NS_ErrorAccordingToNSPR();
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| 306 |
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| 307 |
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| 308 | #ifdef _MSC_VER
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| 309 | #pragma warning(disable: 4251) /* 'nsCOMPtr<class nsIInputStream>' needs to have dll-interface to be used by clients of class 'nsInputStream' */
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| 310 | #pragma warning(disable: 4275) /* non dll-interface class 'nsISupports' used as base for dll-interface class 'nsIRDFNode' */
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| 311 | #endif
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| 312 |
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| 313 | #endif
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| 314 |
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