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119 lines
2.5 KiB
C++
119 lines
2.5 KiB
C++
/*
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* PROGRAM: Firebird exceptions classes
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* MODULE: status.h
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* DESCRIPTION: Status vector filling and parsing.
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*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Mike Nordell
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2001 Mike Nordell <tamlin at algonet.se>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*
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*/
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#ifndef JRD_STATUS_H
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#define JRD_STATUS_H
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#include "../common/StatusHolder.h"
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#include "../common/utils_proto.h"
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const int MAX_ERRMSG_LEN = 128;
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const int MAX_ERRSTR_LEN = 1024;
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namespace Jrd
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{
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typedef Firebird::CheckStatusWrapper FbStatusVector;
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template <class SW>
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class LocalStatusWrapper
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{
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public:
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LocalStatusWrapper()
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: localStatusVector(&localStatus)
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{ }
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explicit LocalStatusWrapper(Firebird::MemoryPool& p)
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: localStatus(p), localStatusVector(&localStatus)
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{ }
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SW* operator->()
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{
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return &localStatusVector;
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}
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SW* operator&()
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{
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return &localStatusVector;
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}
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ISC_STATUS operator[](unsigned n) const
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{
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fb_assert(n < fb_utils::statusLength(localStatusVector.getErrors()));
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return localStatusVector.getErrors()[n];
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}
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const SW* operator->() const
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{
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return &localStatusVector;
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}
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const SW* operator&() const
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{
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return &localStatusVector;
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}
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void check() const
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{
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if (localStatusVector.isDirty())
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{
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if (localStatus.getState() & Firebird::IStatus::STATE_ERRORS)
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raise();
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}
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}
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void copyTo(SW* to) const
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{
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fb_utils::copyStatus(to, &localStatusVector);
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}
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void raise() const
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{
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Firebird::status_exception::raise(&localStatus);
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}
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bool isEmpty() const
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{
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return localStatusVector.isEmpty();
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}
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bool isSuccess() const
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{
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return localStatusVector.isEmpty();
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}
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private:
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Firebird::LocalStatus localStatus;
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SW localStatusVector;
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};
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typedef LocalStatusWrapper<FbStatusVector> FbLocalStatus;
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typedef LocalStatusWrapper<Firebird::ThrowStatusWrapper> ThrowLocalStatus;
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}
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#endif // JRD_STATUS_H
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