1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef SQLiteStatement_h 27 #define SQLiteStatement_h 28 29 #include "modules/webdatabase/sqlite/SQLiteDatabase.h" 30 31 struct sqlite3_stmt; 32 33 namespace blink { 34 35 class SQLValue; 36 37 class SQLiteStatement { 38 WTF_MAKE_NONCOPYABLE(SQLiteStatement); WTF_MAKE_FAST_ALLOCATED; 39 public: 40 SQLiteStatement(SQLiteDatabase&, const String&); 41 ~SQLiteStatement(); 42 43 int prepare(); 44 int bindText(int index, const String&); 45 int bindDouble(int index, double); 46 int bindNull(int index); 47 int bindValue(int index, const SQLValue&); 48 unsigned bindParameterCount() const; 49 50 int step(); 51 int finalize(); 52 53 int prepareAndStep() { if (int error = prepare()) return error; return step(); } 54 55 // prepares, steps, and finalizes the query. 56 // returns true if all 3 steps succeed with step() returning SQLITE_DONE 57 // returns false otherwise 58 bool executeCommand(); 59 60 // Returns -1 on last-step failing. Otherwise, returns number of rows 61 // returned in the last step() 62 int columnCount(); 63 64 String getColumnName(int col); 65 SQLValue getColumnValue(int col); 66 String getColumnText(int col); 67 int getColumnInt(int col); 68 int64_t getColumnInt64(int col); 69 70 private: 71 SQLiteDatabase& m_database; 72 String m_query; 73 sqlite3_stmt* m_statement; 74 #if ENABLE(ASSERT) 75 bool m_isPrepared; 76 #endif 77 }; 78 79 } // namespace blink 80 81 #endif // SQLiteStatement_h 82