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office-gobmx/include/vcl/errcode.hxx
Mike Kaganski 92365b925c Simplify ErrCode::anyOf using binary left fold 
This accepts arguments with implicit operator== available

Change-Id: Ibaf750471798948bf419e463252f67d470b485de
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/109884
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2021-01-27 07:41:16 +01:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_ERRCODE_HXX
#define INCLUDED_VCL_ERRCODE_HXX
#include <rtl/ustring.hxx>
#include <vcl/dllapi.h>
#include <ostream>
/*
01234567012345670123456701234567
|| || || || |
Warning || || |
| || || || |
Dynamic || || |
| || || |
Subsystemarea| || |
| || |
| || |
| || |
Class| |
| |
| |
| |
Code
*/
#define ERRCODE_ERROR_MASK 0x3fffffffUL
#define ERRCODE_WARNING_MASK 0x80000000UL
#define ERRCODE_CLASS_SHIFT 8
#define ERRCODE_AREA_SHIFT 13
#define ERRCODE_DYNAMIC_SHIFT 26
#define ERRCODE_CLASS_MASK (31UL << ERRCODE_CLASS_SHIFT)
#define ERRCODE_DYNAMIC_COUNT 31UL
#define ERRCODE_DYNAMIC_MASK (31UL << ERRCODE_DYNAMIC_SHIFT)
enum class ErrCodeArea;
enum class ErrCodeClass;
enum class WarningFlag { Yes };
class SAL_WARN_UNUSED ErrCode final
{
public:
explicit constexpr ErrCode(WarningFlag, ErrCodeArea nArea, ErrCodeClass nClass, sal_uInt16 nCode)
: m_value(ERRCODE_WARNING_MASK | (sal_uInt32(nArea) << ERRCODE_AREA_SHIFT) | (sal_uInt32(nClass) << ERRCODE_CLASS_SHIFT) | nCode)
{
assert(nCode <= 0xff && "code out of range");
}
explicit constexpr ErrCode(ErrCodeArea nArea, ErrCodeClass nClass, sal_uInt16 nCode)
: m_value((sal_uInt32(nArea) << ERRCODE_AREA_SHIFT) | (sal_uInt32(nClass) << ERRCODE_CLASS_SHIFT) | nCode)
{
assert(nCode <= 0xff && "code out of range");
}
explicit constexpr ErrCode(ErrCodeArea nArea, sal_uInt16 nClassAndCode)
: m_value((sal_uInt32(nArea) << ERRCODE_AREA_SHIFT) | nClassAndCode) {}
explicit constexpr ErrCode(sal_uInt32 nValue)
: m_value(nValue) {}
constexpr ErrCode()
: m_value(0) {}
explicit operator sal_uInt32() const { return m_value; }
explicit operator bool() const { return m_value != 0; }
bool operator<(ErrCode const & other) const { return m_value < other.m_value; }
bool operator<=(ErrCode const & other) const { return m_value <= other.m_value; }
bool operator>(ErrCode const & other) const { return m_value > other.m_value; }
bool operator>=(ErrCode const & other) const { return m_value >= other.m_value; }
bool operator==(ErrCode const & other) const { return m_value == other.m_value; }
bool operator!=(ErrCode const & other) const { return m_value != other.m_value; }
/** convert to ERRCODE_NONE if it's a warning, else return the error */
ErrCode IgnoreWarning() const {
return (m_value & ERRCODE_WARNING_MASK)
? ErrCode(0)
: ErrCode(static_cast<sal_uInt32>(m_value & ERRCODE_ERROR_MASK));
}
bool IsWarning() const {
return m_value & ERRCODE_WARNING_MASK;
}
ErrCode MakeWarning() const {
return ErrCode(m_value | ERRCODE_WARNING_MASK);
}
bool IsError() const {
return m_value && !IsWarning();
}
bool IsDynamic() const {
return m_value & ERRCODE_DYNAMIC_MASK;
}
sal_uInt32 GetDynamic() const {
return (m_value & ERRCODE_DYNAMIC_MASK) >> ERRCODE_DYNAMIC_SHIFT;
}
ErrCode StripDynamic() const {
return ErrCode(m_value & ~ERRCODE_DYNAMIC_MASK);
}
constexpr ErrCode StripWarningAndDynamic() const {
return ErrCode(m_value & ~(ERRCODE_DYNAMIC_MASK | ERRCODE_WARNING_MASK));
}
constexpr ErrCodeArea GetArea() const {
return static_cast<ErrCodeArea>((m_value >> ERRCODE_AREA_SHIFT) & 0x01fff);
}
constexpr ErrCodeClass GetClass() const {
return static_cast<ErrCodeClass>((m_value >> ERRCODE_CLASS_SHIFT) & 0x1f);
}
constexpr sal_uInt8 GetCode() const {
return static_cast<sal_uInt8>(m_value & 0xff);
}
OUString toHexString() const {
return "0x" + OUString::number(m_value, 16);
}
template <typename... Args> bool anyOf(Args... args) const
{
static_assert(sizeof...(args) > 0);
return (... || (*this == args));
}
private:
sal_uInt32 m_value;
};
VCL_DLLPUBLIC std::ostream& operator<<(std::ostream& os, const ErrCode& err);
enum class ErrCodeArea {
Io = 0 ,
Sfx = 2 ,
Inet = 3 ,
Vcl = 4 ,
Svx = 8 ,
So = 9 ,
Sbx = 10,
Uui = 13,
Sc = 32,
Sd = 40,
Sw = 56,
};
enum class ErrCodeClass {
NONE = 0,
Abort = 1,
General = 2,
NotExists = 3,
AlreadyExists = 4,
Access = 5,
Path = 6,
Locking = 7,
Parameter = 8,
Space = 9,
NotSupported = 10,
Read = 11,
Write = 12,
Unknown = 13,
Version = 14,
Format = 15,
Create = 16,
Import = 17,
Export = 18,
So = 20,
Sbx = 21,
Runtime = 22,
Compiler = 23
};
#define ERRCODE_NONE ErrCode(0)
#define ERRCODE_IO_MISPLACEDCHAR ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 1 )
#define ERRCODE_IO_NOTEXISTS ErrCode( ErrCodeArea::Io, ErrCodeClass::NotExists, 2 )
#define ERRCODE_IO_ALREADYEXISTS ErrCode( ErrCodeArea::Io, ErrCodeClass::AlreadyExists, 3 )
#define ERRCODE_IO_NOTADIRECTORY ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 4 )
#define ERRCODE_IO_NOTAFILE ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 5 )
#define ERRCODE_IO_INVALIDDEVICE ErrCode( ErrCodeArea::Io, ErrCodeClass::Path, 6 )
#define ERRCODE_IO_ACCESSDENIED ErrCode( ErrCodeArea::Io, ErrCodeClass::Access, 7 )
#define ERRCODE_IO_LOCKVIOLATION ErrCode( ErrCodeArea::Io, ErrCodeClass::Locking, 8 )
#define ERRCODE_IO_OUTOFSPACE ErrCode( ErrCodeArea::Io, ErrCodeClass::Space, 9 )
#define ERRCODE_IO_ISWILDCARD ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 11 )
#define ERRCODE_IO_NOTSUPPORTED ErrCode( ErrCodeArea::Io, ErrCodeClass::NotSupported, 12 )
#define ERRCODE_IO_GENERAL ErrCode( ErrCodeArea::Io, ErrCodeClass::General, 13 )
#define ERRCODE_IO_TOOMANYOPENFILES ErrCode( ErrCodeArea::Io, ErrCodeClass::Space, 14 )
#define ERRCODE_IO_CANTREAD ErrCode( ErrCodeArea::Io, ErrCodeClass::Read, 15 )
#define ERRCODE_IO_CANTWRITE ErrCode( ErrCodeArea::Io, ErrCodeClass::Write, 16 )
#define ERRCODE_IO_OUTOFMEMORY ErrCode( ErrCodeArea::Io, ErrCodeClass::Space, 17 )
#define ERRCODE_IO_CANTSEEK ErrCode( ErrCodeArea::Io, ErrCodeClass::General, 18 )
#define ERRCODE_IO_CANTTELL ErrCode( ErrCodeArea::Io, ErrCodeClass::General, 19 )
#define ERRCODE_IO_WRONGVERSION ErrCode( ErrCodeArea::Io, ErrCodeClass::Version, 20 )
#define ERRCODE_IO_WRONGFORMAT ErrCode( ErrCodeArea::Io, ErrCodeClass::Format, 21 )
#define ERRCODE_IO_INVALIDCHAR ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 22 )
#define ERRCODE_IO_UNKNOWN ErrCode( ErrCodeArea::Io, ErrCodeClass::Unknown, 23 )
#define ERRCODE_IO_INVALIDACCESS ErrCode( ErrCodeArea::Io, ErrCodeClass::Access, 24 )
#define ERRCODE_IO_CANTCREATE ErrCode( ErrCodeArea::Io, ErrCodeClass::Create, 25 )
#define ERRCODE_IO_INVALIDPARAMETER ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 26 )
#define ERRCODE_IO_ABORT ErrCode( ErrCodeArea::Io, ErrCodeClass::Abort, 27 )
#define ERRCODE_IO_NOTEXISTSPATH ErrCode( ErrCodeArea::Io, ErrCodeClass::NotExists, 28 )
#define ERRCODE_IO_PENDING ErrCode( ErrCodeArea::Io, ErrCodeClass::NotExists, 29 )
#define ERRCODE_IO_RECURSIVE ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 30 )
#define ERRCODE_IO_NAMETOOLONG ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 31 )
#define ERRCODE_IO_INVALIDLENGTH ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 32 )
#define ERRCODE_IO_CURRENTDIR ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 33 )
#define ERRCODE_IO_NOTSAMEDEVICE ErrCode( ErrCodeArea::Io, ErrCodeClass::Parameter, 34 )
#define ERRCODE_IO_DEVICENOTREADY ErrCode( ErrCodeArea::Io, ErrCodeClass::Read, 35 )
#define ERRCODE_IO_BADCRC ErrCode( ErrCodeArea::Io, ErrCodeClass::Read, 36 )
#define ERRCODE_IO_WRITEPROTECTED ErrCode( ErrCodeArea::Io, ErrCodeClass::Access, 37 )
#define ERRCODE_IO_BROKENPACKAGE ErrCode( ErrCodeArea::Io, ErrCodeClass::Format, 38 )
#define ERRCODE_IO_NOTSTORABLEINBINARYFORMAT ErrCode( ErrCodeArea::Io, ErrCodeClass::Format, 39 )
#define ERRCODE_IO_FILTERDISABLED ErrCode( ErrCodeArea::Io, ErrCodeClass::Format, 40 )
// StreamErrorCodes
#define SVSTREAM_GENERALERROR ERRCODE_IO_GENERAL
#define SVSTREAM_FILE_NOT_FOUND ERRCODE_IO_NOTEXISTS
#define SVSTREAM_PATH_NOT_FOUND ERRCODE_IO_NOTEXISTSPATH
#define SVSTREAM_TOO_MANY_OPEN_FILES ERRCODE_IO_TOOMANYOPENFILES
#define SVSTREAM_ACCESS_DENIED ERRCODE_IO_ACCESSDENIED
#define SVSTREAM_SHARING_VIOLATION ERRCODE_IO_LOCKVIOLATION
#define SVSTREAM_LOCKING_VIOLATION ERRCODE_IO_LOCKVIOLATION
#define SVSTREAM_SHARE_BUFF_EXCEEDED ERRCODE_IO_LOCKVIOLATION
#define SVSTREAM_INVALID_ACCESS ERRCODE_IO_INVALIDACCESS
#define SVSTREAM_INVALID_HANDLE ERRCODE_IO_GENERAL
#define SVSTREAM_CANNOT_MAKE ERRCODE_IO_CANTCREATE
#define SVSTREAM_INVALID_PARAMETER ERRCODE_IO_INVALIDPARAMETER
#define SVSTREAM_READ_ERROR ERRCODE_IO_CANTREAD
#define SVSTREAM_WRITE_ERROR ERRCODE_IO_CANTWRITE
#define SVSTREAM_SEEK_ERROR ERRCODE_IO_CANTSEEK
#define SVSTREAM_OUTOFMEMORY ERRCODE_IO_OUTOFMEMORY
#define SVSTREAM_FILEFORMAT_ERROR ERRCODE_IO_WRONGFORMAT
#define SVSTREAM_WRONGVERSION ERRCODE_IO_WRONGVERSION
#define SVSTREAM_DISK_FULL ERRCODE_IO_OUTOFSPACE
#define PRINTER_ABORT ERRCODE_IO_ABORT
#define PRINTER_GENERALERROR ERRCODE_IO_GENERAL
#define ERRCODE_ABORT ERRCODE_IO_ABORT
#define ERRCODE_INET_NAME_RESOLVE ErrCode(ErrCodeArea::Inet, ErrCodeClass::Read, 1)
#define ERRCODE_INET_CONNECT ErrCode(ErrCodeArea::Inet, ErrCodeClass::Read, 2)
#define ERRCODE_INET_READ ErrCode(ErrCodeArea::Inet, ErrCodeClass::Read, 3)
#define ERRCODE_INET_WRITE ErrCode(ErrCodeArea::Inet, ErrCodeClass::Write, 4)
#define ERRCODE_INET_GENERAL ErrCode(ErrCodeArea::Inet, ErrCodeClass::Write, 5)
#define ERRCODE_INET_OFFLINE ErrCode(ErrCodeArea::Inet, ErrCodeClass::Read, 6)
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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