/*
*************************************************************************
**  Included in SQLite3 port to C#-SQLite;  2008 Noah B Hart
**  C#-SQLite is an independent reimplementation of the SQLite software library
**
**  Repository path : $HeadURL: https://sqlitecs.googlecode.com/svn/trunk/C%23SQLite/src/Delagates.cs $
**  Revision        : $Revision: 6604176a7dbe $
**  Last Change Date: $LastChangedDate: 2009-08-04 13:34:52 -0700 (Tue, 04 Aug 2009) $
**  Last Changed By : $LastChangedBy: noah.hart $
*************************************************************************
*/

using System;
using System.Text;
using HANDLE = System.IntPtr;
using sqlite3_int64 = System.Int64;
using u32 = System.UInt32;
using u64 = System.UInt64;


namespace Community.CsharpSqlite
{
  using DbPage = Sqlite3.PgHdr;
  using sqlite3_pcache = Sqlite3.PCache1;
  using sqlite3_stmt = Sqlite3.Vdbe;
  using sqlite3_value = Sqlite3.Mem;

  public partial class Sqlite3
  {
    public delegate void dxAuth(object pAuthArg, int b, string c, string d, string e, string f);
    public delegate int dxBusy(object pBtShared, int iValue);
    public delegate void dxFreeAux(object pAuxArg);
    public delegate int dxCallback(object pCallbackArg, sqlite3_int64 argc, object p2, object p3);
    public delegate void dxalarmCallback(object pNotUsed, sqlite3_int64 iNotUsed, int size);
    public delegate void dxCollNeeded(object pCollNeededArg, sqlite3 db, int eTextRep, string collationName);
    public delegate int dxCommitCallback(object pCommitArg);
    public delegate int dxCompare(object pCompareArg, int size1, string Key1, int size2, string Key2);
    public delegate bool dxCompare4(string Key1, int size1, string Key2, int size2);
    public delegate void dxDel(ref string pDelArg); // needs ref
    public delegate void dxDelCollSeq(ref object pDelArg); // needs ref
    public delegate void dxLog(object pLogArg, int i, string msg);
    public delegate void dxProfile(object pProfileArg, string msg, u64 time);
    public delegate int dxProgress(object pProgressArg);
    public delegate void dxRollbackCallback(object pRollbackArg);
    public delegate void dxTrace(object pTraceArg, string msg);
    public delegate void dxUpdateCallback(object pUpdateArg, int b, string c, string d, sqlite3_int64 e);

      /*
     * FUNCTIONS
     *
     */
    public delegate void dxFunc(sqlite3_context ctx, int intValue, sqlite3_value[] value);
    public delegate void dxStep(sqlite3_context ctx, int intValue, sqlite3_value[] value);
    public delegate void dxFinal(sqlite3_context ctx);
    //
    public delegate string dxColname(sqlite3_value pVal);
    public delegate int dxFuncBtree(Btree p);
    public delegate int dxExprTreeFunction(ref int pArg, Expr pExpr);
    public delegate int dxExprTreeFunction_NC(NameContext pArg, ref Expr pExpr);
    public delegate int dxExprTreeFunction_OBJ(object pArg, Expr pExpr);
    /*
       VFS Delegates
    */
    public delegate int dxClose(sqlite3_file File_ID);
    public delegate int dxCheckReservedLock(sqlite3_file File_ID, ref int pRes);
    public delegate int dxDeviceCharacteristics(sqlite3_file File_ID);
    public delegate int dxFileControl(sqlite3_file File_ID, int op, ref int pArgs);
    public delegate int dxFileSize(sqlite3_file File_ID, ref int size);
    public delegate int dxLock(sqlite3_file File_ID, int locktype);
    public delegate int dxRead(sqlite3_file File_ID, byte[] buffer, int amount, sqlite3_int64 offset);
    public delegate int dxSectorSize(sqlite3_file File_ID);
    public delegate int dxSync(sqlite3_file File_ID, int flags);
    public delegate int dxTruncate(sqlite3_file File_ID, sqlite3_int64 size);
    public delegate int dxUnlock(sqlite3_file File_ID, int locktype);
    public delegate int dxWrite(sqlite3_file File_ID, byte[] buffer, int amount, sqlite3_int64 offset);

    /*
         sqlite_vfs Delegates
     */
    public delegate int dxOpen(sqlite3_vfs vfs, string zName,sqlite3_file db, int flags, ref int pOutFlags);
    public delegate int dxDelete(sqlite3_vfs vfs, string zName, int syncDir);
    public delegate int dxAccess(sqlite3_vfs vfs, string zName, int flags, ref int pResOut);
    public delegate int dxFullPathname(sqlite3_vfs vfs, string zName, int nOut, StringBuilder zOut);
    public delegate HANDLE dxDlOpen(sqlite3_vfs vfs, string zFilename);
    public delegate int dxDlError(sqlite3_vfs vfs, int nByte, ref string zErrMsg);
    public delegate HANDLE dxDlSym(sqlite3_vfs vfs, HANDLE data, string zSymbol);
    public delegate int dxDlClose(sqlite3_vfs vfs, HANDLE data);
    public delegate int dxRandomness(sqlite3_vfs vfs, int nByte, ref byte[] buffer);
    public delegate int dxSleep(sqlite3_vfs vfs, int microseconds);
    public delegate int dxCurrentTime(sqlite3_vfs vfs, ref double currenttime);
    public delegate int dxGetLastError(sqlite3_vfs pVfs, int nBuf, ref string zBuf);

    /*
     * Pager Delegates
     */

    public delegate void dxDestructor(DbPage dbPage); /* Call this routine when freeing pages */
    public delegate int dxBusyHandler(object pBusyHandlerArg);
    public delegate void dxReiniter(DbPage dbPage);   /* Call this routine when reloading pages */

    public delegate void dxFreeSchema(Schema schema);

    //Module
    public delegate void dxDestroy(ref PgHdr pDestroyArg);
    public delegate int dxStress(object obj, PgHdr pPhHdr);

    //sqlite3_module
    public delegate int smdxCreate(sqlite3 db, object pAux, int argc, string constargv, ref sqlite3_vtab ppVTab, ref string pError);
    public delegate int smdxConnect(sqlite3 db, object pAux, int argc, string constargv, ref sqlite3_vtab ppVTab, ref string pError);
    public delegate int smdxBestIndex(sqlite3_vtab pVTab, ref sqlite3_index_info pIndex);
    public delegate int smdxDisconnect(sqlite3_vtab pVTab);
    public delegate int smdxDestroy(sqlite3_vtab pVTab);
    public delegate int smdxOpen(sqlite3_vtab pVTab, ref sqlite3_vtab_cursor ppCursor);
    public delegate int smdxClose(sqlite3_vtab_cursor pCursor);
    public delegate int smdxFilter(sqlite3_vtab_cursor pCursor, int idxNum, string idxStr, int argc, sqlite3_value[] argv);
    public delegate int smdxNext(sqlite3_vtab_cursor pCursor);
    public delegate int smdxEof(sqlite3_vtab_cursor pCursor);
    public delegate int smdxColumn(sqlite3_vtab_cursor pCursor, sqlite3_context p2, int p3);
    public delegate int smdxRowid(sqlite3_vtab_cursor pCursor, sqlite3_int64 pRowid);
    public delegate int smdxUpdate(sqlite3_vtab pVTab, int p1, sqlite3_value[] p2, sqlite3_int64 p3);
    public delegate int smdxBegin(sqlite3_vtab pVTab);
    public delegate int smdxSync(sqlite3_vtab pVTab);
    public delegate int smdxCommit(sqlite3_vtab pVTab);
    public delegate int smdxRollback(sqlite3_vtab pVTab);
    public delegate int smdxFindFunction(sqlite3_vtab pVtab, int nArg, string zName, object pxFunc, ref sqlite3_value[] ppArg);
    public delegate int smdxRename(sqlite3_vtab pVtab, string zNew);

    //AutoExtention
    public delegate int dxInit(sqlite3 db, ref string zMessage, sqlite3_api_routines sar);
#if !SQLITE_OMIT_VIRTUALTABLE
    public delegate int dmxCreate(sqlite3 db, object pAux, int argc, string p4, object argv, sqlite3_vtab ppVTab, char p7);
    public delegate int dmxConnect(sqlite3 db, object pAux, int argc, string p4, object argv, sqlite3_vtab ppVTab, char p7);
    public delegate int dmxBestIndex(sqlite3_vtab pVTab, sqlite3_index_info pIndexInfo);
    public delegate int dmxDisconnect(sqlite3_vtab pVTab);
    public delegate int dmxDestroy(sqlite3_vtab pVTab);
    public delegate int dmxOpen(sqlite3_vtab pVTab, sqlite3_vtab_cursor ppCursor);
    public delegate int dmxClose(sqlite3_vtab_cursor pCursor);
    public delegate int dmxFilter(sqlite3_vtab_cursor pCursor, int idmxNum, string idmxStr, int argc, sqlite3_value argv);
    public delegate int dmxNext(sqlite3_vtab_cursor pCursor);
    public delegate int dmxEof(sqlite3_vtab_cursor pCursor);
    public delegate int dmxColumn(sqlite3_vtab_cursor pCursor, sqlite3_context ctx, int i3);
    public delegate int dmxRowid(sqlite3_vtab_cursor pCursor, sqlite3_int64 pRowid);
    public delegate int dmxUpdate(sqlite3_vtab pVTab, int i2, sqlite3_value sv3, sqlite3_int64 v4);
    public delegate int dmxBegin(sqlite3_vtab pVTab);
    public delegate int dmxSync(sqlite3_vtab pVTab);
    public delegate int dmxCommit(sqlite3_vtab pVTab);
    public delegate int dmxRollback(sqlite3_vtab pVTab);
    public delegate int dmxFindFunction(sqlite3_vtab pVtab, int nArg, string zName);
    public delegate int dmxRename(sqlite3_vtab pVtab, string zNew);
#endif
    //Faults
    public delegate void void_function();

    //Mem Methods
    public delegate int dxMemInit(object o);
    public delegate void dxMemShutdown(object o);
    public delegate byte[] dxMalloc(int nSize);
    public delegate int[] dxMallocInt(int nSize);
    public delegate Mem dxMallocMem(Mem pMem);
    public delegate void dxFree(ref byte[] pOld);
    public delegate void dxFreeInt(ref int[] pOld);
    public delegate void dxFreeMem(ref Mem pOld);
    public delegate byte[] dxRealloc(byte[] pOld, int nSize);
    public delegate int dxSize(byte[] pArray);
    public delegate int dxRoundup(int nSize);

    //Mutex Methods
    public delegate int dxMutexInit();
    public delegate int dxMutexEnd();
    public delegate sqlite3_mutex dxMutexAlloc(int iNumber);
    public delegate void dxMutexFree(sqlite3_mutex sm);
    public delegate void dxMutexEnter(sqlite3_mutex sm);
    public delegate int dxMutexTry(sqlite3_mutex sm);
    public delegate void dxMutexLeave(sqlite3_mutex sm);
    public delegate int dxMutexHeld(sqlite3_mutex sm);
    public delegate int dxMutexNotheld(sqlite3_mutex sm);

    public delegate object dxColumn(sqlite3_stmt pStmt, int i);
    public delegate int dxColumn_I(sqlite3_stmt pStmt, int i);

    // Walker Methods
    public delegate int dxExprCallback(Walker W, ref Expr E);     /* Callback for expressions */
    public delegate int dxSelectCallback(Walker W, Select S);  /* Callback for SELECTs */


    // pcache Methods
    public delegate int dxPC_Init(object NotUsed);
    public delegate void dxPC_Shutdown(object NotUsed);
    public delegate sqlite3_pcache dxPC_Create(int szPage, int bPurgeable);
    public delegate void dxPC_Cachesize(sqlite3_pcache pCache, int nCachesize);
    public delegate int dxPC_Pagecount(sqlite3_pcache pCache);
    public delegate PgHdr dxPC_Fetch(sqlite3_pcache pCache, u32 key, int createFlag);
    public delegate void dxPC_Unpin(sqlite3_pcache pCache, PgHdr p2, int discard);
    public delegate void dxPC_Rekey(sqlite3_pcache pCache, PgHdr p2, u32 oldKey, u32 newKey);
    public delegate void dxPC_Truncate(sqlite3_pcache pCache, u32 iLimit);
    public delegate void dxPC_Destroy(ref sqlite3_pcache pCache);

    public delegate void dxIter(PgHdr p);


#if NET_35
    //API Simplifications -- Actions
    public static Action<sqlite3_context, String, Int32, dxDel> ResultBlob = sqlite3_result_blob;
    public static Action<sqlite3_context, Double> ResultDouble = sqlite3_result_double;
    public static Action<sqlite3_context, String, Int32> ResultError = sqlite3_result_error;
    public static Action<sqlite3_context, Int32> ResultErrorCode = sqlite3_result_error_code;
    public static Action<sqlite3_context> ResultErrorNoMem = sqlite3_result_error_nomem;
    public static Action<sqlite3_context> ResultErrorTooBig = sqlite3_result_error_toobig;
    public static Action<sqlite3_context, Int32> ResultInt = sqlite3_result_int;
    public static Action<sqlite3_context, Int64> ResultInt64 = sqlite3_result_int64;
    public static Action<sqlite3_context> ResultNull = sqlite3_result_null;
    public static Action<sqlite3_context, String, Int32, dxDel> ResultText = sqlite3_result_text;
    public static Action<sqlite3_context, String, Int32, Int32, dxDel> ResultText_Offset = sqlite3_result_text;
    public static Action<sqlite3_context, sqlite3_value> ResultValue = sqlite3_result_value;
    public static Action<sqlite3_context, Int32> ResultZeroblob= sqlite3_result_zeroblob;
    public static Action<sqlite3_context, Int32, String, dxDel> SetAuxdata = sqlite3_set_auxdata;

    //API Simplifications -- Functions
    public delegate Int32 FinalizeDelegate(ref sqlite3_stmt pStmt);
    public static FinalizeDelegate Finalize = sqlite3_finalize;

    public static Func<sqlite3_stmt, Int32> ClearBindings = sqlite3_clear_bindings;
    public static Func<sqlite3_stmt, Int32, Byte[]> ColumnBlob = sqlite3_column_blob;
    public static Func<sqlite3_stmt, Int32, Int32> ColumnBytes = sqlite3_column_bytes;
    public static Func<sqlite3_stmt, Int32, Int32> ColumnBytes16 = sqlite3_column_bytes16;
    public static Func<sqlite3_stmt, Int32> ColumnCount = sqlite3_column_count;
    public static Func<sqlite3_stmt, Int32, String> ColumnDecltype= sqlite3_column_decltype;
    public static Func<sqlite3_stmt, Int32, Double> ColumnDouble= sqlite3_column_double;
    public static Func<sqlite3_stmt, Int32, Int32> ColumnInt = sqlite3_column_int;
    public static Func<sqlite3_stmt, Int32, Int64> ColumnInt64 = sqlite3_column_int64;
    public static Func<sqlite3_stmt, Int32, String> ColumnName= sqlite3_column_name;
    public static Func<sqlite3_stmt, Int32, String> ColumnText = sqlite3_column_text;
    public static Func<sqlite3_stmt, Int32, Int32> ColumnType= sqlite3_column_type;
    public static Func<sqlite3_stmt, Int32, sqlite3_value> ColumnValue = sqlite3_column_value;
    public static Func<sqlite3_stmt, Int32> DataCount = sqlite3_data_count;
    public static Func<sqlite3_stmt, Int32> Reset = sqlite3_reset;
    public static Func<sqlite3_stmt, Int32> Step = sqlite3_step;

    public static Func<sqlite3_stmt, Int32, Byte[], Int32, dxDel, Int32> BindBlob = sqlite3_bind_blob;
    public static Func<sqlite3_stmt, Int32, Double, Int32> BindDouble = sqlite3_bind_double;
    public static Func<sqlite3_stmt, Int32, Int32, Int32> BindInt = sqlite3_bind_int;
    public static Func<sqlite3_stmt, Int32, Int64, Int32> BindInt64 = sqlite3_bind_int64;
    public static Func<sqlite3_stmt, Int32, Int32> BindNull = sqlite3_bind_null;
    public static Func<sqlite3_stmt, Int32> BindParameterCount = sqlite3_bind_parameter_count;
    public static Func<sqlite3_stmt, String, Int32> BindParameterIndex = sqlite3_bind_parameter_index;
    public static Func<sqlite3_stmt, Int32, String> BindParameterName = sqlite3_bind_parameter_name;
    public static Func<sqlite3_stmt, Int32, String, Int32, dxDel, Int32> BindText = sqlite3_bind_text;
    public static Func<sqlite3_stmt, Int32, sqlite3_value, Int32> BindValue = sqlite3_bind_value;
    public static Func<sqlite3_stmt, Int32, Int32, Int32> BindZeroblob = sqlite3_bind_zeroblob;

    public delegate Int32 OpenDelegate(string zFilename, ref sqlite3 ppDb);
    public static Func<sqlite3, Int32> Close = sqlite3_close;
    public static Func<sqlite3_stmt, sqlite3> DbHandle = sqlite3_db_handle;
    public static Func<sqlite3, String> Errmsg = sqlite3_errmsg;
    public static OpenDelegate Open = sqlite3_open;
    public static Func<sqlite3, sqlite3_stmt, sqlite3_stmt> NextStmt = sqlite3_next_stmt;
    public static Func<Int32> Shutdown = sqlite3_shutdown;
    public static Func<sqlite3_stmt, Int32, Int32, Int32> StmtStatus = sqlite3_stmt_status;

    public delegate Int32 PrepareDelegate( sqlite3 db, String zSql, Int32 nBytes, ref sqlite3_stmt ppStmt, ref string pzTail);
    public delegate Int32 PrepareDelegateNoTail(sqlite3 db, String zSql, Int32 nBytes, ref sqlite3_stmt ppStmt, Int32 iDummy);
    public static PrepareDelegate Prepare = sqlite3_prepare;
    public static PrepareDelegate PrepareV2 = sqlite3_prepare_v2;
    public static PrepareDelegateNoTail PrepareV2NoTail = sqlite3_prepare_v2;
    
    public static Func<sqlite3_context, Int32, Mem> AggregateContext = sqlite3_aggregate_context;
    public static Func<sqlite3_context, Int32, String> GetAuxdata = sqlite3_get_auxdata;
    public static Func<sqlite3_context, sqlite3> ContextDbHandle = sqlite3_context_db_handle;
    public static Func<sqlite3_context, Object> UserData = sqlite3_user_data;

    public static Func<sqlite3_value, Byte[]> ValueBlob = sqlite3_value_blob;
    public static Func<sqlite3_value, Int32> ValueBytes = sqlite3_value_bytes;
    public static Func<sqlite3_value, Int32> ValueBytes16 = sqlite3_value_bytes16;
    public static Func<sqlite3_value, Double> ValueDouble = sqlite3_value_double;
    public static Func<sqlite3_value, Int32> ValueInt = sqlite3_value_int;
    public static Func<sqlite3_value, Int64> ValueInt64 = sqlite3_value_int64;
    public static Func<sqlite3_value, String> ValueText = sqlite3_value_text;
    public static Func<sqlite3_value, Int32> ValueType = sqlite3_value_type;
#endif

  }
}

namespace System
{
  // Summary:
  //     Encapsulates a method that has four parameters and does not return a value.
  //
  // Parameters:
  //   arg1:
  //     The first parameter of the method that this delegate encapsulates.
  //
  //   arg2:
  //     The second parameter of the method that this delegate encapsulates.
  //
  //   arg3:
  //     The third parameter of the method that this delegate encapsulates.
  //
  //   arg4:
  //     The fourth parameter of the method that this delegate encapsulates.
  //
  //   arg5:
  //     The fifth parameter of the method that this delegate encapsulates.
  //
  // Type parameters:
  //   T1:
  //     The type of the first parameter of the method that this delegate encapsulates.
  //
  //   T2:
  //     The type of the second parameter of the method that this delegate encapsulates.
  //
  //   T3:
  //     The type of the third parameter of the method that this delegate encapsulates.
  //
  //   T4:
  //     The type of the fourth parameter of the method that this delegate encapsulates.
  //
  //   T5:
  //     The type of the fifth parameter of the method that this delegate encapsulates.
  public delegate void Action<T1, T2, T3, T4, T5>(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5);

  // Summary:
  //     Encapsulates a method that has three parameters and returns a value of the
  //     type specified by the TResult parameter.
  //
  // Parameters:
  //   arg1:
  //     The first parameter of the method that this delegate encapsulates.
  //
  //   arg2:
  //     The second parameter of the method that this delegate encapsulates.
  //
  //   arg3:
  //     The third parameter of the method that this delegate encapsulates.
  //
  //   arg4:
  //     The fourth parameter of the method that this delegate encapsulates.
  //
  //   arg5:
  //     The fifth parameter of the method that this delegate encapsulates.
  //
  // Type parameters:
  //   T1:
  //     The type of the first parameter of the method that this delegate encapsulates.
  //
  //   T2:
  //     The type of the second parameter of the method that this delegate encapsulates.
  //
  //   T3:
  //     The type of the third parameter of the method that this delegate encapsulates.
  //
  //   T4:
  //     The type of the fourth parameter of the method that this delegate encapsulates.
  //
  //   T5:
  //     The type of the fifth parameter of the method that this delegate encapsulates.
  //
  //   TResult:
  //     The type of the return value of the method that this delegate encapsulates.
  //
  // Returns:
  //     The return value of the method that this delegate encapsulates.
  ////public delegate TResult Func<T1, T2, T3, T4, TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4);
  ////public delegate TResult Func<T1, T2, T3, T4, T5, TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5);
}