mirror of
https://github.com/FirebirdSQL/firebird.git
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160 lines
3.3 KiB
C++
160 lines
3.3 KiB
C++
/*
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* PROGRAM: Firebird exceptions classes
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* MODULE: StatusHolder.cpp
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* DESCRIPTION: Firebird's exception classes
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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 Vlad Khorsun
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2007 Vlad Khorsun <hvlad at users.sourceforge.net>
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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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*/
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#include "firebird.h"
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#include "StatusHolder.h"
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#include "gen/iberror.h"
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#include "classes/alloc.h"
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namespace Firebird {
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ISC_STATUS DynamicStatusVector::save(const ISC_STATUS* status)
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{
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m_status_vector.clear();
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const ISC_STATUS* from = status;
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while (true)
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{
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const ISC_STATUS type = *from++;
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m_status_vector.push(type == isc_arg_cstring ? isc_arg_string : type);
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if (type == isc_arg_end)
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break;
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switch (type)
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{
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case isc_arg_cstring:
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{
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const size_t len = *from++;
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char* string = FB_NEW(*getDefaultMemoryPool()) char[len + 1];
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const char *temp = reinterpret_cast<const char*>(*from++);
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memcpy(string, temp, len);
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string[len] = 0;
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m_status_vector.push((ISC_STATUS)(IPTR) string);
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}
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break;
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case isc_arg_string:
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case isc_arg_interpreted:
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case isc_arg_sql_state:
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{
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const char* temp = reinterpret_cast<const char*>(*from++);
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const size_t len = strlen(temp);
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char* string = FB_NEW(*getDefaultMemoryPool()) char[len + 1];
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memcpy(string, temp, len + 1);
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m_status_vector.push((ISC_STATUS)(IPTR) string);
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}
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break;
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default:
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m_status_vector.push(*from++);
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break;
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}
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}
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// Sanity check
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if (m_status_vector.getCount() < 3)
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{
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fb_utils::init_status(m_status_vector.getBuffer(3));
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}
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return m_status_vector[1];
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}
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void DynamicStatusVector::clear()
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{
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ISC_STATUS *ptr = m_status_vector.begin();
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while (true)
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{
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const ISC_STATUS type = *ptr++;
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if (type == isc_arg_end)
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break;
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switch (type)
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{
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case isc_arg_cstring:
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ptr++;
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delete[] reinterpret_cast<char*>(*ptr++);
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fb_assert(false); // CVC: according to the new logic, this case cannot happen
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break;
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case isc_arg_string:
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case isc_arg_interpreted:
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case isc_arg_sql_state:
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delete[] reinterpret_cast<char*>(*ptr++);
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break;
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default:
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ptr++;
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break;
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}
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}
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// Sanity check
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if (m_status_vector.getCount() < 3)
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{
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m_status_vector.getBuffer(3);
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}
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fb_utils::init_status(m_status_vector.begin());
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}
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ISC_STATUS StatusHolder::save(const ISC_STATUS* status)
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{
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fb_assert(isSuccess() || m_raised);
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if (m_raised)
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{
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clear();
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}
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return m_status_vector.save(status);
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}
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void StatusHolder::clear()
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{
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m_status_vector.clear();
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m_raised = false;
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}
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void StatusHolder::raise()
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{
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if (getError())
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{
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m_raised = true;
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status_exception::raise(m_status_vector.value());
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}
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}
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} // namespace Firebird
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