// Copyright 2011 The Kyua Authors. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of Google Inc. nor the names of its contributors // may be used to endorse or promote products derived from this software // without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. /// \file c_gate.hpp /// Provides direct access to the C state of the SQLite wrappers. #if !defined(UTILS_SQLITE_C_GATE_HPP) #define UTILS_SQLITE_C_GATE_HPP #include "utils/sqlite/c_gate_fwd.hpp" extern "C" { #include <sqlite3.h> } #include "utils/sqlite/database_fwd.hpp" namespace utils { namespace sqlite { /// Gateway to the raw C database of SQLite 3. /// /// This class provides a mechanism to muck with the internals of the database /// wrapper class. /// /// \warning The use of this class is discouraged. By using this class, you are /// entering the world of unsafety. Anything you do through the objects exposed /// through this class will not be controlled by RAII patterns not validated in /// any other way, so you can end up corrupting the SQLite 3 state and later get /// crashes on otherwise perfectly-valid C++ code. class database_c_gate { /// The C++ database that this class wraps. database& _database; public: database_c_gate(database&); ~database_c_gate(void); static database connect(::sqlite3*); ::sqlite3* c_database(void); }; } // namespace sqlite } // namespace utils #endif // !defined(UTILS_SQLITE_C_GATE_HPP)