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Database.h
Go to the documentation of this file.00001 /* 00002 ** Database.h 00003 ** 00004 ** Published / author: 2001-01-04 / grymse@telia.com 00005 **/ 00006 /* 00007 Copyright (C) 2001 Anders Hedstrom 00008 00009 This program is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License 00011 as published by the Free Software Foundation; either version 2 00012 of the License, or (at your option) any later version. 00013 00014 This program is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with this program; if not, write to the Free Software 00021 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 */ 00023 #ifndef _DATABASE_H 00024 #define _DATABASE_H 00025 00026 #include <string> 00027 #include <list> 00028 00029 #ifdef ODBCW_NAMESPACE 00030 namespace ODBCW_NAMESPACE { 00031 #endif 00032 00033 00034 class Query; 00035 class IError; 00036 class Session; 00037 00038 class Database 00039 { 00042 public: 00043 class Mutex { 00044 public: 00045 Mutex(); 00046 ~Mutex(); 00047 void Lock(); 00048 void Unlock(); 00049 private: 00050 #ifdef _WIN32 00051 HANDLE m_mutex; 00052 #else 00053 pthread_mutex_t m_mutex; 00054 #endif 00055 }; 00057 private: 00058 class Lock { 00059 public: 00060 Lock(Mutex& mutex,bool use); 00061 ~Lock(); 00062 private: 00063 Mutex& m_mutex; 00064 bool m_b_use; 00065 }; 00066 public: 00073 Database(const std::string& dsn,const std::string& u,const std::string& auth,IError *p = NULL); 00078 Database(const std::string& driverconnect,IError *p = NULL); 00086 Database(Mutex&,const std::string& dsn,const std::string& u,const std::string& auth,IError *p = NULL); 00092 Database(Mutex&,const std::string& driverconnect,IError *p = NULL); 00095 virtual ~Database(); 00096 00098 Session *grabdb(); 00100 void freedb(Session *); 00102 Query *GetQuery(); 00104 Query *GetQuery(const std::string& sql); 00105 00106 short errcode(); 00107 void GetErrorText(char *); 00108 00109 void SetEscapeChar(char); 00110 char GetEscapeChar(); 00111 void SetDecimalChar(char); 00112 char GetDecimalChar(); 00113 00114 IError *GetErrHandler() { return m_errhandler; } 00115 void error(const std::string& text); 00116 00117 std::string safestr(const std::string&); 00118 std::string xmlsafestr(const std::string&); 00119 00120 private: 00121 short m_driverconnect; 00122 std::string m_host; // odbc: DSN 00123 std::string m_user; // odbc: user 00124 std::string m_password; // odbc: auth 00125 std::list<Session *> m_sessions; 00126 short m_errc; 00127 char m_escape; 00128 char m_decimal; 00129 IError *m_errhandler; 00130 Mutex& m_mutex; 00131 bool m_b_use_mutex; 00132 }; 00133 00134 00135 #ifdef ODBCW_NAMESPACE 00136 } // namespace ODBCW_NAMESPACE { 00137 #endif 00138 #endif // _DATABASE_H