8
0
mirror of https://github.com/FirebirdSQL/firebird.git synced 2025-01-24 23:23:03 +01:00
firebird-mirror/src/jrd/status.h

119 lines
2.5 KiB
C++

/*
* PROGRAM: Firebird exceptions classes
* MODULE: status.h
* DESCRIPTION: Status vector filling and parsing.
*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (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.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
*
* Software distributed under the License is distributed AS IS,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights
* and limitations under the License.
*
* The Original Code was created by Mike Nordell
* for the Firebird Open Source RDBMS project.
*
* Copyright (c) 2001 Mike Nordell <tamlin at algonet.se>
* and all contributors signed below.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*
*/
#ifndef JRD_STATUS_H
#define JRD_STATUS_H
#include "../common/StatusHolder.h"
#include "../common/utils_proto.h"
const int MAX_ERRMSG_LEN = 128;
const int MAX_ERRSTR_LEN = 1024;
namespace Jrd
{
typedef Firebird::CheckStatusWrapper FbStatusVector;
template <class SW>
class LocalStatusWrapper
{
public:
LocalStatusWrapper()
: localStatusVector(&localStatus)
{ }
explicit LocalStatusWrapper(Firebird::MemoryPool& p)
: localStatus(p), localStatusVector(&localStatus)
{ }
SW* operator->()
{
return &localStatusVector;
}
SW* operator&()
{
return &localStatusVector;
}
ISC_STATUS operator[](unsigned n) const
{
fb_assert(n < fb_utils::statusLength(localStatusVector.getErrors()));
return localStatusVector.getErrors()[n];
}
const SW* operator->() const
{
return &localStatusVector;
}
const SW* operator&() const
{
return &localStatusVector;
}
void check() const
{
if (localStatusVector.isDirty())
{
if (localStatus.getState() & Firebird::IStatus::STATE_ERRORS)
raise();
}
}
void copyTo(SW* to) const
{
fb_utils::copyStatus(to, &localStatusVector);
}
void raise() const
{
Firebird::status_exception::raise(&localStatus);
}
bool isEmpty() const
{
return localStatusVector.isEmpty();
}
bool isSuccess() const
{
return localStatusVector.isEmpty();
}
private:
Firebird::LocalStatus localStatus;
SW localStatusVector;
};
typedef LocalStatusWrapper<FbStatusVector> FbLocalStatus;
typedef LocalStatusWrapper<Firebird::ThrowStatusWrapper> ThrowLocalStatus;
}
#endif // JRD_STATUS_H