-//\r
-// Mono.Data.SqliteClient.Sqlite.cs\r
-//\r
-// Provides C# bindings to the library sqlite.dll\r
-//\r
-// Author(s): Everaldo Canuto <everaldo_canuto@yahoo.com.br>\r
-//\r
-// Copyright (C) 2004 Everaldo Canuto\r
-//\r
-// Permission is hereby granted, free of charge, to any person obtaining\r
-// a copy of this software and associated documentation files (the\r
-// "Software"), to deal in the Software without restriction, including\r
-// without limitation the rights to use, copy, modify, merge, publish,\r
-// distribute, sublicense, and/or sell copies of the Software, and to\r
-// permit persons to whom the Software is furnished to do so, subject to\r
-// the following conditions:\r
-// \r
-// The above copyright notice and this permission notice shall be\r
-// included in all copies or substantial portions of the Software.\r
-// \r
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
-//\r
-\r
-using System;\r
-using System.Security;\r
-using System.Runtime.InteropServices;\r
-\r
-namespace Mono.Data.SqliteClient\r
-{\r
- /// <summary>\r
- /// Represents the return values for sqlite_exec() and sqlite_step()\r
- /// </summary>\r
- internal enum SqliteError : int {\r
- /// <value>Successful result</value>\r
- OK = 0,\r
- /// <value>SQL error or missing database</value>\r
- ERROR = 1,\r
- /// <value>An internal logic error in SQLite</value>\r
- INTERNAL = 2,\r
- /// <value>Access permission denied</value>\r
- PERM = 3,\r
- /// <value>Callback routine requested an abort</value>\r
- ABORT = 4,\r
- /// <value>The database file is locked</value>\r
- BUSY = 5,\r
- /// <value>A table in the database is locked</value>\r
- LOCKED = 6,\r
- /// <value>A malloc() failed</value>\r
- NOMEM = 7,\r
- /// <value>Attempt to write a readonly database</value>\r
- READONLY = 8,\r
- /// <value>Operation terminated by public const int interrupt()</value>\r
- INTERRUPT = 9,\r
- /// <value>Some kind of disk I/O error occurred</value>\r
- IOERR = 10,\r
- /// <value>The database disk image is malformed</value>\r
- CORRUPT = 11,\r
- /// <value>(Internal Only) Table or record not found</value>\r
- NOTFOUND = 12,\r
- /// <value>Insertion failed because database is full</value>\r
- FULL = 13,\r
- /// <value>Unable to open the database file</value>\r
- CANTOPEN = 14,\r
- /// <value>Database lock protocol error</value>\r
- PROTOCOL = 15,\r
- /// <value>(Internal Only) Database table is empty</value>\r
- EMPTY = 16,\r
- /// <value>The database schema changed</value>\r
- SCHEMA = 17,\r
- /// <value>Too much data for one row of a table</value>\r
- TOOBIG = 18,\r
- /// <value>Abort due to contraint violation</value>\r
- CONSTRAINT= 19,\r
- /// <value>Data type mismatch</value>\r
- MISMATCH = 20,\r
- /// <value>Library used incorrectly</value>\r
- MISUSE = 21,\r
- /// <value>Uses OS features not supported on host</value>\r
- NOLFS = 22,\r
- /// <value>Authorization denied</value>\r
- AUTH = 23,\r
- /// <value>Auxiliary database format error</value>\r
- FORMAT = 24,\r
- /// <value>2nd parameter to sqlite_bind out of range</value>\r
- RANGE = 25,\r
- /// <value>File opened that is not a database file</value>\r
- NOTADB = 26,\r
- /// <value>sqlite_step() has another row ready</value>\r
- ROW = 100,\r
- /// <value>sqlite_step() has finished executing</value>\r
- DONE = 101\r
- }\r
-\r
- /// <summary>\r
- /// Provides the core of C# bindings to the library sqlite.dll\r
- /// </summary>\r
- internal sealed class Sqlite {\r
-\r
- #region PInvoke Functions\r
- \r
- [DllImport("sqlite")]\r
- internal static extern IntPtr sqlite_open (string dbname, int db_mode, out string errstr);\r
-\r
- [DllImport("sqlite")]\r
- internal static extern void sqlite_close (IntPtr sqlite_handle);\r
-\r
- [DllImport("sqlite")]\r
- internal unsafe static extern SqliteError sqlite_exec (IntPtr handle, string sql, SqliteCallbackFunction callback, IntPtr user_data, byte **errstr_ptr);\r
-\r
- [DllImport("sqlite")]\r
- internal static extern int sqlite_changes (IntPtr handle);\r
-\r
- [DllImport("sqlite")]\r
- internal static extern int sqlite_last_insert_rowid (IntPtr sqlite_handle);\r
-\r
- [DllImport ("sqlite")]\r
- internal unsafe static extern void sqliteFree (void *ptr);\r
- \r
- #endregion\r
- \r
- #region Delegates\r
- \r
- internal unsafe delegate int SqliteCallbackFunction (ref object o, int argc, sbyte **argv, sbyte **colnames);\r
- \r
- #endregion\r
- \r
- }\r
-}\r
+//
+// Mono.Data.SqliteClient.Sqlite.cs
+//
+// Provides C# bindings to the library sqlite.dll
+//
+// Everaldo Canuto <everaldo_canuto@yahoo.com.br>
+// Chris Turchin <chris@turchin.net>
+// Jeroen Zwartepoorte <jeroen@xs4all.nl>
+// Thomas Zoechling <thomas.zoechling@gmx.at>
+//
+// Copyright (C) 2004 Everaldo Canuto
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Security;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace Mono.Data.SqliteClient
+{
+ /// <summary>
+ /// Represents the return values for sqlite_exec() and sqlite_step()
+ /// </summary>
+ internal enum SqliteError : int {
+ /// <value>Successful result</value>
+ OK = 0,
+ /// <value>SQL error or missing database</value>
+ ERROR = 1,
+ /// <value>An internal logic error in SQLite</value>
+ INTERNAL = 2,
+ /// <value>Access permission denied</value>
+ PERM = 3,
+ /// <value>Callback routine requested an abort</value>
+ ABORT = 4,
+ /// <value>The database file is locked</value>
+ BUSY = 5,
+ /// <value>A table in the database is locked</value>
+ LOCKED = 6,
+ /// <value>A malloc() failed</value>
+ NOMEM = 7,
+ /// <value>Attempt to write a readonly database</value>
+ READONLY = 8,
+ /// <value>Operation terminated by public const int interrupt()</value>
+ INTERRUPT = 9,
+ /// <value>Some kind of disk I/O error occurred</value>
+ IOERR = 10,
+ /// <value>The database disk image is malformed</value>
+ CORRUPT = 11,
+ /// <value>(Internal Only) Table or record not found</value>
+ NOTFOUND = 12,
+ /// <value>Insertion failed because database is full</value>
+ FULL = 13,
+ /// <value>Unable to open the database file</value>
+ CANTOPEN = 14,
+ /// <value>Database lock protocol error</value>
+ PROTOCOL = 15,
+ /// <value>(Internal Only) Database table is empty</value>
+ EMPTY = 16,
+ /// <value>The database schema changed</value>
+ SCHEMA = 17,
+ /// <value>Too much data for one row of a table</value>
+ TOOBIG = 18,
+ /// <value>Abort due to contraint violation</value>
+ CONSTRAINT= 19,
+ /// <value>Data type mismatch</value>
+ MISMATCH = 20,
+ /// <value>Library used incorrectly</value>
+ MISUSE = 21,
+ /// <value>Uses OS features not supported on host</value>
+ NOLFS = 22,
+ /// <value>Authorization denied</value>
+ AUTH = 23,
+ /// <value>Auxiliary database format error</value>
+ FORMAT = 24,
+ /// <value>2nd parameter to sqlite_bind out of range</value>
+ RANGE = 25,
+ /// <value>File opened that is not a database file</value>
+ NOTADB = 26,
+ /// <value>sqlite_step() has another row ready</value>
+ ROW = 100,
+ /// <value>sqlite_step() has finished executing</value>
+ DONE = 101
+ }
+
+ /// <summary>
+ /// Provides the core of C# bindings to the library sqlite.dll
+ /// </summary>
+ internal sealed class Sqlite {
+
+ #region PInvoke Functions
+
+ [DllImport("sqlite")]
+ internal static extern IntPtr sqlite_open (string dbname, int db_mode, out IntPtr errstr);
+
+ [DllImport("sqlite")]
+ internal static extern void sqlite_close (IntPtr sqlite_handle);
+
+ [DllImport("sqlite")]
+ internal static extern int sqlite_changes (IntPtr handle);
+
+ [DllImport("sqlite")]
+ internal static extern int sqlite_last_insert_rowid (IntPtr sqlite_handle);
+
+ [DllImport ("sqlite")]
+ internal static extern void sqliteFree (IntPtr ptr);
+
+ [DllImport ("sqlite")]
+ internal static extern SqliteError sqlite_compile (IntPtr sqlite_handle, IntPtr zSql, out IntPtr pzTail, out IntPtr pVm, out IntPtr errstr);
+
+ [DllImport ("sqlite")]
+ internal static extern SqliteError sqlite_step (IntPtr pVm, out int pN, out IntPtr pazValue, out IntPtr pazColName);
+
+ [DllImport ("sqlite")]
+ internal static extern SqliteError sqlite_finalize (IntPtr pVm, out IntPtr pzErrMsg);
+
+ [DllImport ("sqlite")]
+ internal static extern SqliteError sqlite_exec (IntPtr handle, string sql, IntPtr callback, IntPtr user_data, out IntPtr errstr_ptr);
+
+ [DllImport ("sqlite")]
+ internal static extern void sqlite_busy_timeout (IntPtr handle, int ms);
+
+ [DllImport("sqlite3", CharSet = CharSet.Unicode)]
+ internal static extern int sqlite3_open16 (string dbname, out IntPtr handle);
+
+ [DllImport("sqlite3")]
+ internal static extern void sqlite3_close (IntPtr sqlite_handle);
+
+ [DllImport("sqlite3")]
+ internal static extern IntPtr sqlite3_errmsg16 (IntPtr sqlite_handle);
+
+ [DllImport("sqlite3")]
+ internal static extern int sqlite3_changes (IntPtr handle);
+
+ [DllImport("sqlite3")]
+ internal static extern long sqlite3_last_insert_rowid (IntPtr sqlite_handle);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_prepare16 (IntPtr sqlite_handle, IntPtr zSql, int zSqllen, out IntPtr pVm, out IntPtr pzTail);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_step (IntPtr pVm);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_finalize (IntPtr pVm);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_exec (IntPtr handle, string sql, IntPtr callback, IntPtr user_data, out IntPtr errstr_ptr);
+
+ [DllImport ("sqlite3")]
+ internal static extern IntPtr sqlite3_column_name16 (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern IntPtr sqlite3_column_text16 (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern IntPtr sqlite3_column_blob (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern int sqlite3_column_bytes16 (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern int sqlite3_column_count (IntPtr pVm);
+
+ [DllImport ("sqlite3")]
+ internal static extern int sqlite3_column_type (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern Int64 sqlite3_column_int64 (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern double sqlite3_column_double (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern IntPtr sqlite3_column_decltype16 (IntPtr pVm, int col);
+
+ [DllImport ("sqlite3")]
+ internal static extern int sqlite3_bind_parameter_count (IntPtr pStmt);
+
+ [DllImport ("sqlite3")]
+ internal static extern IntPtr sqlite3_bind_parameter_name (IntPtr pStmt, int n); // UTF-8 encoded return
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_bind_blob (IntPtr pStmt, int n, byte[] blob, int length, IntPtr freetype);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_bind_double (IntPtr pStmt, int n, double value);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_bind_int (IntPtr pStmt, int n, int value);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_bind_int64 (IntPtr pStmt, int n, long value);
+
+ [DllImport ("sqlite3")]
+ internal static extern SqliteError sqlite3_bind_null (IntPtr pStmt, int n);
+
+ [DllImport ("sqlite3", CharSet = CharSet.Unicode)]
+ internal static extern SqliteError sqlite3_bind_text16 (IntPtr pStmt, int n, string value, int length, IntPtr freetype);
+
+ [DllImport ("sqlite3")]
+ internal static extern void sqlite3_busy_timeout (IntPtr handle, int ms);
+
+ #endregion
+
+ // These are adapted from Mono.Unix. When encoding is null,
+ // use Ansi encoding, which is a superset of the default
+ // expected encoding (ISO-8859-1).
+
+ public static IntPtr StringToHeap (string s, Encoding encoding)
+ {
+ if (encoding == null)
+ return Marshal.StringToHGlobalAnsi (s);
+
+ int min_byte_count = encoding.GetMaxByteCount(1);
+ char[] copy = s.ToCharArray ();
+ byte[] marshal = new byte [encoding.GetByteCount (copy) + min_byte_count];
+
+ int bytes_copied = encoding.GetBytes (copy, 0, copy.Length, marshal, 0);
+
+ if (bytes_copied != (marshal.Length-min_byte_count))
+ throw new NotSupportedException ("encoding.GetBytes() doesn't equal encoding.GetByteCount()!");
+
+ IntPtr mem = Marshal.AllocHGlobal (marshal.Length);
+ if (mem == IntPtr.Zero)
+ throw new OutOfMemoryException ();
+
+ bool copied = false;
+ try {
+ Marshal.Copy (marshal, 0, mem, marshal.Length);
+ copied = true;
+ }
+ finally {
+ if (!copied)
+ Marshal.FreeHGlobal (mem);
+ }
+
+ return mem;
+ }
+
+ public static unsafe string HeapToString (IntPtr p, Encoding encoding)
+ {
+ if (encoding == null)
+ return Marshal.PtrToStringAnsi (p);
+
+ if (p == IntPtr.Zero)
+ return null;
+
+ // This assumes a single byte terminates the string.
+
+ int len = 0;
+ while (Marshal.ReadByte (p, len) != 0)
+ checked {++len;}
+
+ string s = new string ((sbyte*) p, 0, len, encoding);
+ len = s.Length;
+ while (len > 0 && s [len-1] == 0)
+ --len;
+ if (len == s.Length)
+ return s;
+ return s.Substring (0, len);
+ }
+
+
+
+ }
+}
projects / mono.git / blobdiff