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1a97e11ffd
The mailto library is the mail compose code ripped out of the old Messenger libmsg library, then cleaned up somewhat (it could still use more cleaning). This library should only be built ifdef MOZ_MAIL_COMPOSE.
119 lines
4.2 KiB
C
119 lines
4.2 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// errcode.h
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#ifndef _ERRCODE_H_
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#define _ERRCODE_H_
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/*
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** Error classifications (Database, RPC, Network, etc)
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**
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** Each error classification defines a range of up to 0xffff error codes.
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**
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** The top word of an msgERR is the classification, the low byte is an error
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** offset within that classification.
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**
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** For diagnostic purposes, each classification can register it's strings for GetErrorString
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** support. These are NOT nationalizable strings; the string tables are autogenerated from the
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** MsgError() macro machinery, not stored in .rc files. They're intended for use in debugging,
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** logfiles, etc.
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*/
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typedef uint32 MsgERR;
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typedef MsgERR msgErrorClass;
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#define msgErrorDb 0xFF000000 /* DB errors (generic) */
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#define msgErrorVw 0xF8000000 /* View layer */
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#define msgErrorMisc 0xF0000000 /* Random miscellaneous errors. */
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#define msgErrorOk 0x00000000
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/*
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** GetErrorClass(msgERR)
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**
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** Returns classification range for an error.
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**
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** For example,
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** if (GetErrorClass(err) == msgErrorRp)
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** Alert("Problem chatting with forum service.");
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**
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*/
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#define GetErrorClass(err) ((err) & ((MsgERR) 0xFFFF0000))
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/*
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** RegisterErrorClass (msgErrorClass, pFn)
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**
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** Register a function to return error-strings in the given class.
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**
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** (Note: this could be best done by automatically building a linked list of
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** diagnostic routines/classes - by simply using a C++ class for error
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** classes, and a static constructor to link each class into the queue.
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** However, we've had problems with static constructors within DLL's
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** that use MFC and DLL's on NT - so we're avoiding them for now.)
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**
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** See dberror.cpp (in the database) for an example of an auto-generated diagnostic
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** map. The error-code to string mapping function implementation can be generated
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** automatically, but the client must register the function manually.
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**
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** There is no limit on how many ranges a given diagnostic function might handle.
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** The function must be registered once for each class, of course.
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**
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** Normally there will be a function for every specific .h that defines error codes
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** (whether that .h defines one or more classes of error codes). For example,
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** dberror.h defines 3 error class ranges, so the DB registers one diagnostic function
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** that handles those 3 classes accordingly.
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**
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*/
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//typedef const char * (msgCALLBACK *msgErrorDiagnosticCallback) (msgERR);
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//extern void RegisterErrorClass (msgErrorClass, msgErrorDiagnosticCallback pFn);
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/*
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** NOTE: remainder of this file may be multiply-included
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** place all one-shot definitions above this point
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*/
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#endif // __msgERROR_H__
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/*
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** Within an error-class range, the errors are allocated/declared independently.
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** See, for example, dberror.h, rperror.h, ecerror.h, etc.
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*/
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/* msgError: wrapper-macro for an error code definition */
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#ifndef MsgError
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#define MsgError(errorclass, name, offset) const MsgERR name = (MsgERR) (errorclass + offset);
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#endif
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/* msgErrorDiagnostic: causes wrapper-macro to generate a diagnostic string */
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#ifndef MsgErrorDiagnostic
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#define MsgErrorDiagnostic(errorclass, name, offset) case ((errorclass)+(offset)): return #name;
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#endif
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/*
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** msgSUCCESS - universal no-error indication (zero).
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** '! msgERR' is guaranteed to mean success.
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*/
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#ifndef MsgErrorBasic
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#define MsgErrorBasic
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MsgError (msgErrorOk, eSUCCESS, 0x0000) /* 0 Success */
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MsgError (msgErrorMisc, eUNKNOWN, 0x0001) // 1 Something weird
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// happened.
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#endif
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