File indexing completed on 2024-11-03 13:04:19
0001 /* This file is part of the KDE project 0002 Copyright (C) 2006-2010 Jarosław Staniek <staniek@kde.org> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This library is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this library; see the file COPYING.LIB. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 * Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #include "KDbQuerySchemaParameter.h" 0021 #include "KDbDriver.h" 0022 #include "KDbDriverManager_p.h" 0023 #include "kdb_debug.h" 0024 0025 #include <QWeakPointer> 0026 0027 KDbQuerySchemaParameter::~KDbQuerySchemaParameter() 0028 { 0029 } 0030 0031 QDebug operator<<(QDebug dbg, const KDbQuerySchemaParameter& parameter) 0032 { 0033 dbg.nospace() << "MESSAGE=" << parameter.message() << "TYPE=" << KDbField::typeName(parameter.type()); 0034 return dbg.space(); 0035 } 0036 0037 QDebug operator<<(QDebug dbg, const QList<KDbQuerySchemaParameter>& list) 0038 { 0039 dbg.nospace() << QString::fromLatin1("QUERY PARAMETERS (%1):").arg(list.count()); 0040 foreach(const KDbQuerySchemaParameter& parameter, list) { 0041 dbg.nospace() << " - " << parameter; 0042 } 0043 return dbg.space(); 0044 } 0045 0046 //================================================ 0047 0048 class Q_DECL_HIDDEN KDbQuerySchemaParameterValueListIterator::Private 0049 { 0050 public: 0051 Private(/*const KDbDriver &driver, */const QList<QVariant>& aParams) 0052 : //driverWeakPointer(DriverManagerInternal::self()->driverWeakPointer(driver)) 0053 params(aParams) 0054 { 0055 //move to last item, as the order is reversed due to parser's internals 0056 paramsIt = params.constEnd(); 0057 --paramsIt; 0058 paramsItPosition = params.count(); 0059 } 0060 //! @todo ?? QWeakPointer<const KDbDriver> driverWeakPointer; 0061 const QList<QVariant> params; 0062 QList<QVariant>::ConstIterator paramsIt; 0063 int paramsItPosition; 0064 private: 0065 Q_DISABLE_COPY(Private) 0066 }; 0067 0068 KDbQuerySchemaParameterValueListIterator::KDbQuerySchemaParameterValueListIterator( 0069 const QList<QVariant>& params) 0070 : d(new Private(params)) 0071 { 0072 } 0073 0074 KDbQuerySchemaParameterValueListIterator::~KDbQuerySchemaParameterValueListIterator() 0075 { 0076 delete d; 0077 } 0078 0079 QVariant KDbQuerySchemaParameterValueListIterator::previousValue() const 0080 { 0081 if (d->paramsItPosition == 0) { //d->params.constEnd()) { 0082 kdbWarning() << "no prev value"; 0083 return QVariant(); 0084 } 0085 QVariant res(*d->paramsIt); 0086 --d->paramsItPosition; 0087 --d->paramsIt; 0088 return res; 0089 }