Soprano
2.7.6
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00001 /* 00002 * This file is part of Soprano Project. 00003 * 00004 * Copyright (C) 2007 Sebastian Trueg <trueg@kde.org> 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Library General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2 of the License, or (at your option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Library General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Library General Public License 00017 * along with this library; see the file COPYING.LIB. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 */ 00021 00022 #ifndef _SOPRANO_ERROR_H_ 00023 #define _SOPRANO_ERROR_H_ 00024 00025 #include "soprano_export.h" 00026 00027 #include <QtCore/QString> 00028 #include <QtCore/QSharedDataPointer> 00029 00030 00031 namespace Soprano { 00032 namespace Error { 00040 enum ErrorCode { 00041 ErrorNone = 0x0, 00042 ErrorInvalidArgument = 0x1, 00043 ErrorInvalidStatement = ErrorInvalidArgument, 00044 ErrorNotSupported = 0x2, 00045 ErrorParsingFailed = 0x3, 00046 ErrorPermissionDenied = 0x4, 00047 ErrorTimeout = 0x5, 00048 ErrorUnknown = 0x1000 00049 }; 00050 00054 SOPRANO_EXPORT QString errorMessage( ErrorCode ); 00055 00063 SOPRANO_EXPORT ErrorCode convertErrorCode( int code ); 00064 00065 class ErrorData; 00066 class ParserError; 00067 00077 class SOPRANO_EXPORT Error 00078 { 00079 public: 00083 Error(); 00084 00093 Error( const QString& message, int code = ErrorUnknown ); 00094 00098 Error( const Error& ); 00099 00103 virtual ~Error(); 00104 00105 Error& operator=( const Error& ); 00106 00121 operator bool() const { return code() != ErrorNone; } 00122 00131 QString message() const; 00132 00147 int code() const; 00148 00153 bool isParserError() const; 00154 00167 ParserError toParserError() const; 00168 00169 protected: 00171 Error( ErrorData* ); 00172 QSharedDataPointer<ErrorData> d; 00174 }; 00175 00176 class Locator; 00177 00200 class SOPRANO_EXPORT ParserError : public Error 00201 { 00202 public: 00206 ParserError(); 00207 00208 ParserError( const Locator&, const QString& message = QString(), int code = ErrorParsingFailed ); 00209 00210 ParserError( const Error& ); 00211 00212 ~ParserError(); 00213 00214 ParserError& operator=( const Error& ); 00215 00216 Locator locator() const; 00217 }; 00218 00234 class SOPRANO_EXPORT ErrorCache 00235 { 00236 public: 00237 virtual ~ErrorCache(); 00238 00242 virtual Error lastError() const; 00243 00244 protected: 00245 ErrorCache(); 00246 00250 void clearError() const; 00251 00257 void setError( const Error& ) const; 00258 00263 void setError( const QString& errorMessage, int code = ErrorUnknown ) const; 00264 00265 private: 00266 class Private; 00267 Private* const d; 00268 }; 00269 } 00270 } 00271 00272 class QDebug; 00273 class QTextStream; 00274 00275 SOPRANO_EXPORT QDebug operator<<( QDebug s, const Soprano::Error::Error& ); 00276 SOPRANO_EXPORT QTextStream& operator<<( QTextStream& s, const Soprano::Error::Error& ); 00277 00278 #endif