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Overview
| Comment: | Add SQLiteNativeModule class. Revise table/cursor error handling methods of the SQLiteModule class to add the static variants of them. Rename the old CreateNativeModuleImpl method to GetNativeModuleImpl. Add new CreateNativeModuleImpl method that returns the default ISQLiteNativeModule implementation. More work on docs. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | virtualTables |
| Files: | files | file ages | folders |
| SHA1: |
c6554ef4c6d0a34b6aaf14646db13dc5 |
| User & Date: | mistachkin 2013-06-25 04:17:23.977 |
Context
|
2013-06-25
| ||
| 06:40 | More work on docs. check-in: f31a811fbb user: mistachkin tags: virtualTables | |
| 04:17 | Add SQLiteNativeModule class. Revise table/cursor error handling methods of the SQLiteModule class to add the static variants of them. Rename the old CreateNativeModuleImpl method to GetNativeModuleImpl. Add new CreateNativeModuleImpl method that returns the default ISQLiteNativeModule implementation. More work on docs. check-in: c6554ef4c6 user: mistachkin tags: virtualTables | |
| 02:06 | Modify marshalling for the xUpdate method. More work on docs. check-in: 7825b411c7 user: mistachkin tags: virtualTables | |
Changes
Changes to System.Data.SQLite/SQLiteModule.cs.
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/// </param>
/// <param name="callback">
/// Upon success, this parameter must be modified to contain the
/// delegate responsible for implementing the specified function.
/// </param>
/// <param name="pClientData">
/// Upon success, this parameter must be modified to contain the
| | | 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 |
/// </param>
/// <param name="callback">
/// Upon success, this parameter must be modified to contain the
/// delegate responsible for implementing the specified function.
/// </param>
/// <param name="pClientData">
/// Upon success, this parameter must be modified to contain the
/// native user-data pointer associated with
/// <paramref name="callback" />.
/// </param>
/// <returns>
/// Non-zero if the specified function was found; zero otherwise.
/// </returns>
int xFindFunction(
IntPtr pVtab,
|
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#region ISQLiteManagedModule Interface
/// <summary>
/// This interface represents a virtual table implementation written in
/// managed code.
/// </summary>
public interface ISQLiteManagedModule
{
bool Declared { get; }
///////////////////////////////////////////////////////////////////////
string Name { get; }
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Create(
SQLiteConnection connection, /* in */
IntPtr pClientData, /* in */
string[] arguments, /* in */
ref SQLiteVirtualTable table, /* out */
ref string error /* out */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Connect(
SQLiteConnection connection, /* in */
IntPtr pClientData, /* in */
string[] arguments, /* in */
ref SQLiteVirtualTable table, /* out */
ref string error /* out */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode BestIndex(
SQLiteVirtualTable table, /* in */
SQLiteIndex index /* in, out */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Disconnect(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Destroy(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Open(
SQLiteVirtualTable table, /* in */
ref SQLiteVirtualTableCursor cursor /* out */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Close(
SQLiteVirtualTableCursor cursor /* in */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Filter(
SQLiteVirtualTableCursor cursor, /* in */
int indexNumber, /* in */
string indexString, /* in */
SQLiteValue[] values /* in */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Next(
SQLiteVirtualTableCursor cursor /* in */
);
///////////////////////////////////////////////////////////////////////
bool Eof(
SQLiteVirtualTableCursor cursor /* in */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Column(
SQLiteVirtualTableCursor cursor, /* in */
SQLiteContext context, /* in */
int index /* in */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode RowId(
SQLiteVirtualTableCursor cursor, /* in */
ref long rowId /* out */
);
///////////////////////////////////////////////////////////////////////
SQLiteErrorCode Update(
SQLiteVirtualTable table, /* in */
SQLiteValue[] values, /* in */
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#region ISQLiteManagedModule Interface
/// <summary>
/// This interface represents a virtual table implementation written in
/// managed code.
/// </summary>
public interface ISQLiteManagedModule
{
/// <summary>
/// Returns non-zero if the schema for the virtual table has been
/// declared.
/// </summary>
bool Declared { get; }
///////////////////////////////////////////////////////////////////////
/// <summary>
/// Returns the name of the module as it was registered with the SQLite
/// core library.
/// </summary>
string Name { get; }
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </summary>
/// <param name="connection">
/// The <see cref="SQLiteConnection" /> object instance associated with
/// the virtual table.
/// </param>
/// <param name="pClientData">
/// The native user-data pointer associated with this module, as it was
/// provided to the SQLite core library when the native module instance
/// was created.
/// </param>
/// <param name="arguments">
/// The module name, database name, virtual table name, and all other
/// arguments passed to the CREATE VIRTUAL TABLE statement.
/// </param>
/// <param name="table">
/// Upon success, this parameter must be modified to contain the
/// <see cref="SQLiteVirtualTable" /> object instance associated with
/// the virtual table.
/// </param>
/// <param name="error">
/// Upon failure, this parameter must be modified to contain an error
/// message.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Create(
SQLiteConnection connection, /* in */
IntPtr pClientData, /* in */
string[] arguments, /* in */
ref SQLiteVirtualTable table, /* out */
ref string error /* out */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </summary>
/// <param name="connection">
/// The <see cref="SQLiteConnection" /> object instance associated with
/// the virtual table.
/// </param>
/// <param name="pClientData">
/// The native user-data pointer associated with this module, as it was
/// provided to the SQLite core library when the native module instance
/// was created.
/// </param>
/// <param name="arguments">
/// The module name, database name, virtual table name, and all other
/// arguments passed to the CREATE VIRTUAL TABLE statement.
/// </param>
/// <param name="table">
/// Upon success, this parameter must be modified to contain the
/// <see cref="SQLiteVirtualTable" /> object instance associated with
/// the virtual table.
/// </param>
/// <param name="error">
/// Upon failure, this parameter must be modified to contain an error
/// message.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Connect(
SQLiteConnection connection, /* in */
IntPtr pClientData, /* in */
string[] arguments, /* in */
ref SQLiteVirtualTable table, /* out */
ref string error /* out */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xBestIndex" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="index">
/// The <see cref="SQLiteIndex" /> object instance containing all the
/// data for the inputs and outputs relating to index selection.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode BestIndex(
SQLiteVirtualTable table, /* in */
SQLiteIndex index /* in, out */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xDisconnect" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Disconnect(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xDestroy" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Destroy(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xOpen" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="cursor">
/// Upon success, this parameter must be modified to contain the
/// <see cref="SQLiteVirtualTableCursor" /> object instance associated
/// with the newly opened virtual table cursor.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Open(
SQLiteVirtualTable table, /* in */
ref SQLiteVirtualTableCursor cursor /* out */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xClose" /> method.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Close(
SQLiteVirtualTableCursor cursor /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <param name="indexNumber">
/// Number used to help identify the selected index.
/// </param>
/// <param name="indexString">
/// String used to help identify the selected index.
/// </param>
/// <param name="values">
/// The values corresponding to each column in the selected index.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Filter(
SQLiteVirtualTableCursor cursor, /* in */
int indexNumber, /* in */
string indexString, /* in */
SQLiteValue[] values /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xNext" /> method.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Next(
SQLiteVirtualTableCursor cursor /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xEof" /> method.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <returns>
/// Non-zero if no more rows are available; zero otherwise.
/// </returns>
bool Eof(
SQLiteVirtualTableCursor cursor /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xColumn" /> method.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <param name="context">
/// The <see cref="SQLiteContext" /> object instance to be used for
/// returning the specified column value to the SQLite core library.
/// </param>
/// <param name="index">
/// The zero-based index corresponding to the column containing the
/// value to be returned.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Column(
SQLiteVirtualTableCursor cursor, /* in */
SQLiteContext context, /* in */
int index /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xRowId" /> method.
/// </summary>
/// <param name="cursor">
/// The <see cref="SQLiteVirtualTableCursor" /> object instance
/// associated with the previously opened virtual table cursor to be
/// used.
/// </param>
/// <param name="rowId">
/// Upon success, this parameter must be modified to contain the unique
/// integer row identifier for the current row for the specified cursor.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode RowId(
SQLiteVirtualTableCursor cursor, /* in */
ref long rowId /* out */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xUpdate" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="values">
/// The array of <see cref="SQLiteValue" /> object instances containing
/// the new or modified column values, if any.
/// </param>
/// <param name="rowId">
/// Upon success, this parameter must be modified to contain the unique
/// integer row identifier for the row that was inserted, if any.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Update(
SQLiteVirtualTable table, /* in */
SQLiteValue[] values, /* in */
ref long rowId /* out */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xBegin" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Begin(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xSync" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Sync(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xCommit" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Commit(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xRollback" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Rollback(
SQLiteVirtualTable table /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="argumentCount">
/// The number of arguments to the function being sought.
/// </param>
/// <param name="name">
/// The name of the function being sought.
/// </param>
/// <param name="function">
/// Upon success, this parameter must be modified to contain the
/// <see cref="SQLiteFunction" /> object instance responsible for
/// implementing the specified function.
/// </param>
/// <param name="pClientData">
/// Upon success, this parameter must be modified to contain the
/// native user-data pointer associated with
/// <paramref name="function" />.
/// </param>
/// <returns>
/// Non-zero if the specified function was found; zero otherwise.
/// </returns>
bool FindFunction(
SQLiteVirtualTable table, /* in */
int argumentCount, /* in */
string name, /* in */
ref SQLiteFunction function, /* out */
ref IntPtr pClientData /* out */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xRename" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="newName">
/// The new name for the virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Rename(
SQLiteVirtualTable table, /* in */
string newName /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xSavepoint" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="savepoint">
/// This is an integer identifier under which the the current state of
/// the virtual table should be saved.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Savepoint(
SQLiteVirtualTable table, /* in */
int savepoint /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xRelease" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="savepoint">
/// This is an integer used to indicate that any saved states with an
/// identifier greater than or equal to this should be deleted by the
/// virtual table.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode Release(
SQLiteVirtualTable table, /* in */
int savepoint /* in */
);
///////////////////////////////////////////////////////////////////////
/// <summary>
/// This method is called in response to the
/// <see cref="ISQLiteNativeModule.xRollbackTo" /> method.
/// </summary>
/// <param name="table">
/// The <see cref="SQLiteVirtualTable" /> object instance associated
/// with this virtual table.
/// </param>
/// <param name="savepoint">
/// This is an integer identifier used to specify a specific saved
/// state for the virtual table for it to restore itself back to, which
/// should also have the effect of deleting all saved states with an
/// integer identifier greater than this one.
/// </param>
/// <returns>
/// A standard SQLite return code.
/// </returns>
SQLiteErrorCode RollbackTo(
SQLiteVirtualTable table, /* in */
int savepoint /* in */
);
}
#endregion
|
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#endregion
}
#endregion
///////////////////////////////////////////////////////////////////////////
#region SQLiteModule Base Class
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4723 |
#endregion
}
#endregion
///////////////////////////////////////////////////////////////////////////
#region SQLiteModule Base Class
public abstract class SQLiteModule :
ISQLiteManagedModule, /*ISQLiteNativeModule,*/
IDisposable /* NOT SEALED */
{
#region SQLiteNativeModule Private Class
private sealed class SQLiteNativeModule :
ISQLiteNativeModule, IDisposable
{
#region Private Constants
/// <summary>
/// This is the value that is always used for the "logErrors"
/// parameter to the various static error handling methods provided
/// by the <see cref="SQLiteModule" /> class.
/// </summary>
private const bool DefaultLogErrors = true;
///////////////////////////////////////////////////////////////////
/// <summary>
/// This is the error message text used when the contained
/// <see cref="SQLiteModule" /> object instance is not available
/// for any reason.
/// </summary>
private const string ModuleNotAvailableErrorMessage =
"native module implementation not available";
#endregion
///////////////////////////////////////////////////////////////////
#region Private Data
/// <summary>
/// The <see cref="SQLiteModule" /> object instance used to provide
/// an implementation of the <see cref="ISQLiteNativeModule" />
/// interface.
/// </summary>
private SQLiteModule module;
#endregion
///////////////////////////////////////////////////////////////////
#region Public Constructors
/// <summary>
/// Constructs an instance of this class.
/// </summary>
/// <param name="module">
/// The <see cref="SQLiteModule" /> object instance used to provide
/// an implementation of the <see cref="ISQLiteNativeModule" />
/// interface.
/// </param>
public SQLiteNativeModule(
SQLiteModule module
)
{
this.module = module;
}
#endregion
///////////////////////////////////////////////////////////////////
#region Private Static Methods
/// <summary>
/// Sets the table error message to one that indicates the native
/// module implementation is not available.
/// </summary>
/// <param name="pVtab">
/// The native pointer to the sqlite3_vtab derived structure.
/// </param>
/// <returns>
/// The value of <see cref="SQLiteErrorCode.Error"/>.
/// </returns>
private static SQLiteErrorCode ModuleNotAvailableTableError(
IntPtr pVtab
)
{
SetTableError(null, pVtab, DefaultLogErrors,
ModuleNotAvailableErrorMessage);
return SQLiteErrorCode.Error;
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// Sets the table error message to one that indicates the native
/// module implementation is not available.
/// </summary>
/// <param name="pCursor">
/// The native pointer to the sqlite3_vtab_cursor derived
/// structure.
/// </param>
/// <returns>
/// The value of <see cref="SQLiteErrorCode.Error"/>.
/// </returns>
private static SQLiteErrorCode ModuleNotAvailableCursorError(
IntPtr pCursor
)
{
SetCursorError(null, pCursor, DefaultLogErrors,
ModuleNotAvailableErrorMessage);
return SQLiteErrorCode.Error;
}
#endregion
///////////////////////////////////////////////////////////////////
#region ISQLiteNativeModule Members
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </summary>
/// <param name="pDb">
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </param>
/// <param name="pAux">
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </param>
/// <param name="argc">
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </param>
/// <param name="argv">
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </param>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </param>
/// <param name="pError">
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xCreate" /> method.
/// </returns>
public SQLiteErrorCode xCreate(
IntPtr pDb,
IntPtr pAux,
int argc,
IntPtr[] argv,
ref IntPtr pVtab,
ref IntPtr pError
)
{
// CheckDisposed();
if (module == null)
{
pError = SQLiteString.Utf8IntPtrFromString(
ModuleNotAvailableErrorMessage);
return SQLiteErrorCode.Error;
}
return module.xCreate(
pDb, pAux, argc, argv, ref pVtab, ref pError);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </summary>
/// <param name="pDb">
/// See the <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </param>
/// <param name="pAux">
/// See the <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </param>
/// <param name="argc">
/// See the <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </param>
/// <param name="argv">
/// See the <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </param>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </param>
/// <param name="pError">
/// See the <see cref="ISQLiteNativeModule.xConnect" /> method.
/// </param>
/// <returns></returns>
public SQLiteErrorCode xConnect(
IntPtr pDb,
IntPtr pAux,
int argc,
IntPtr[] argv,
ref IntPtr pVtab,
ref IntPtr pError
)
{
// CheckDisposed();
if (module == null)
{
pError = SQLiteString.Utf8IntPtrFromString(
ModuleNotAvailableErrorMessage);
return SQLiteErrorCode.Error;
}
return module.xConnect(
pDb, pAux, argc, argv, ref pVtab, ref pError);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xBestIndex" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xBestIndex" /> method.
/// </param>
/// <param name="pIndex">
/// See the <see cref="ISQLiteNativeModule.xBestIndex" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xBestIndex" /> method.
/// </returns>
public SQLiteErrorCode xBestIndex(
IntPtr pVtab,
IntPtr pIndex
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xBestIndex(pVtab, pIndex);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xDisconnect" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xDisconnect" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xDisconnect" /> method.
/// </returns>
public SQLiteErrorCode xDisconnect(
IntPtr pVtab
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xDisconnect(pVtab);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xDestroy" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xDestroy" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xDestroy" /> method.
/// </returns>
public SQLiteErrorCode xDestroy(
IntPtr pVtab
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xDestroy(pVtab);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xOpen" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xOpen" /> method.
/// </param>
/// <param name="pCursor">
/// See the <see cref="ISQLiteNativeModule.xOpen" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xOpen" /> method.
/// </returns>
public SQLiteErrorCode xOpen(
IntPtr pVtab,
ref IntPtr pCursor
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xOpen(pVtab, ref pCursor);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xClose" /> method.
/// </summary>
/// <param name="pCursor">
/// See the <see cref="ISQLiteNativeModule.xClose" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xClose" /> method.
/// </returns>
public SQLiteErrorCode xClose(
IntPtr pCursor
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableCursorError(pCursor);
return module.xClose(pCursor);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </summary>
/// <param name="pCursor">
/// See the <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </param>
/// <param name="idxNum">
/// See the <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </param>
/// <param name="idxStr">
/// See the <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </param>
/// <param name="argc">
/// See the <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </param>
/// <param name="argv">
/// See the <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xFilter" /> method.
/// </returns>
public SQLiteErrorCode xFilter(
IntPtr pCursor,
int idxNum,
IntPtr idxStr,
int argc,
IntPtr[] argv
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableCursorError(pCursor);
return module.xFilter(pCursor, idxNum, idxStr, argc, argv);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xNext" /> method.
/// </summary>
/// <param name="pCursor">
/// See the <see cref="ISQLiteNativeModule.xNext" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xNext" /> method.
/// </returns>
public SQLiteErrorCode xNext(
IntPtr pCursor
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableCursorError(pCursor);
return module.xNext(pCursor);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xEof" /> method.
/// </summary>
/// <param name="pCursor">
/// See the <see cref="ISQLiteNativeModule.xEof" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xEof" /> method.
/// </returns>
public int xEof(
IntPtr pCursor
)
{
// CheckDisposed();
if (module == null)
{
ModuleNotAvailableCursorError(pCursor);
return 1;
}
return module.xEof(pCursor);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xColumn" /> method.
/// </summary>
/// <param name="pCursor">
/// See the <see cref="ISQLiteNativeModule.xColumn" /> method.
/// </param>
/// <param name="pContext">
/// See the <see cref="ISQLiteNativeModule.xColumn" /> method.
/// </param>
/// <param name="index">
/// See the <see cref="ISQLiteNativeModule.xColumn" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xColumn" /> method.
/// </returns>
public SQLiteErrorCode xColumn(
IntPtr pCursor,
IntPtr pContext,
int index
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableCursorError(pCursor);
return module.xColumn(pCursor, pContext, index);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xRowId" /> method.
/// </summary>
/// <param name="pCursor">
/// See the <see cref="ISQLiteNativeModule.xRowId" /> method.
/// </param>
/// <param name="rowId">
/// See the <see cref="ISQLiteNativeModule.xRowId" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xRowId" /> method.
/// </returns>
public SQLiteErrorCode xRowId(
IntPtr pCursor,
ref long rowId
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableCursorError(pCursor);
return module.xRowId(pCursor, ref rowId);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xUpdate" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xUpdate" /> method.
/// </param>
/// <param name="argc">
/// See the <see cref="ISQLiteNativeModule.xUpdate" /> method.
/// </param>
/// <param name="argv">
/// See the <see cref="ISQLiteNativeModule.xUpdate" /> method.
/// </param>
/// <param name="rowId">
/// See the <see cref="ISQLiteNativeModule.xUpdate" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xUpdate" /> method.
/// </returns>
public SQLiteErrorCode xUpdate(
IntPtr pVtab,
int argc,
IntPtr[] argv,
ref long rowId
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xUpdate(pVtab, argc, argv, ref rowId);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xBegin" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xBegin" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xBegin" /> method.
/// </returns>
public SQLiteErrorCode xBegin(
IntPtr pVtab
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xBegin(pVtab);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xSync" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xSync" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xSync" /> method.
/// </returns>
public SQLiteErrorCode xSync(
IntPtr pVtab
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xSync(pVtab);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xCommit" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xCommit" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xCommit" /> method.
/// </returns>
public SQLiteErrorCode xCommit(
IntPtr pVtab
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xCommit(pVtab);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xRollback" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xRollback" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xRollback" /> method.
/// </returns>
public SQLiteErrorCode xRollback(
IntPtr pVtab
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xRollback(pVtab);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </param>
/// <param name="nArg">
/// See the <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </param>
/// <param name="zName">
/// See the <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </param>
/// <param name="callback">
/// See the <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </param>
/// <param name="pClientData">
/// See the <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xFindFunction" /> method.
/// </returns>
public int xFindFunction(
IntPtr pVtab,
int nArg,
IntPtr zName,
ref SQLiteCallback callback,
ref IntPtr pClientData
)
{
// CheckDisposed();
if (module == null)
{
ModuleNotAvailableTableError(pVtab);
return 0;
}
return module.xFindFunction(
pVtab, nArg, zName, ref callback, ref pClientData);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xRename" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xRename" /> method.
/// </param>
/// <param name="zNew">
/// See the <see cref="ISQLiteNativeModule.xRename" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xRename" /> method.
/// </returns>
public SQLiteErrorCode xRename(
IntPtr pVtab,
IntPtr zNew
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xRename(pVtab, zNew);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xSavepoint" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xSavepoint" /> method.
/// </param>
/// <param name="iSavepoint">
/// See the <see cref="ISQLiteNativeModule.xSavepoint" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xSavepoint" /> method.
/// </returns>
public SQLiteErrorCode xSavepoint(
IntPtr pVtab,
int iSavepoint
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xSavepoint(pVtab, iSavepoint);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xRelease" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xRelease" /> method.
/// </param>
/// <param name="iSavepoint">
/// See the <see cref="ISQLiteNativeModule.xRelease" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xRelease" /> method.
/// </returns>
public SQLiteErrorCode xRelease(
IntPtr pVtab,
int iSavepoint
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xRelease(pVtab, iSavepoint);
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// See the <see cref="ISQLiteNativeModule.xRollbackTo" /> method.
/// </summary>
/// <param name="pVtab">
/// See the <see cref="ISQLiteNativeModule.xRollbackTo" /> method.
/// </param>
/// <param name="iSavepoint">
/// See the <see cref="ISQLiteNativeModule.xRollbackTo" /> method.
/// </param>
/// <returns>
/// See the <see cref="ISQLiteNativeModule.xRollbackTo" /> method.
/// </returns>
public SQLiteErrorCode xRollbackTo(
IntPtr pVtab,
int iSavepoint
)
{
// CheckDisposed();
if (module == null)
return ModuleNotAvailableTableError(pVtab);
return module.xRollbackTo(pVtab, iSavepoint);
}
#endregion
///////////////////////////////////////////////////////////////////
#region IDisposable Members
/// <summary>
/// Disposes of this object instance.
/// </summary>
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
#endregion
///////////////////////////////////////////////////////////////////
#region IDisposable "Pattern" Members
private bool disposed;
/// <summary>
/// Throws an <see cref="System.ObjectDisposedException"/> if this
/// object instance has been disposed.
/// </summary>
private void CheckDisposed() /* throw */
{
#if THROW_ON_DISPOSED
if (disposed)
{
throw new ObjectDisposedException(
typeof(SQLiteNativeModule).Name);
}
#endif
}
///////////////////////////////////////////////////////////////////
/// <summary>
/// Disposes of this object instance.
/// </summary>
/// <param name="disposing">
/// Non-zero if this method is being called from the
/// <see cref="Dispose()" /> method. Zero if this method is being
/// called from the finalizer.
/// </param>
private /* protected virtual */ void Dispose(bool disposing)
{
if (!disposed)
{
//if (disposing)
//{
// ////////////////////////////////////
// // dispose managed resources here...
// ////////////////////////////////////
//}
//////////////////////////////////////
// release unmanaged resources here...
//////////////////////////////////////
//
// NOTE: The module is not owned by us; therefore, do not
// dispose it.
//
if (module != null)
module = null;
disposed = true;
}
}
#endregion
///////////////////////////////////////////////////////////////////
#region Destructor
/// <summary>
/// Finalizes this object instance.
/// </summary>
~SQLiteNativeModule()
{
Dispose(false);
}
#endregion
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Constants
private const double DefaultCost = double.MaxValue;
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Data
private UnsafeNativeMethods.sqlite3_module nativeModule;
private Dictionary<IntPtr, SQLiteVirtualTable> tables;
private Dictionary<IntPtr, SQLiteVirtualTableCursor> cursors;
#endregion
///////////////////////////////////////////////////////////////////////
#region Internal Methods
internal UnsafeNativeMethods.sqlite3_module CreateNativeModule()
{
return CreateNativeModule(GetNativeModuleImpl());
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Public Constructors
public SQLiteModule(string name)
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}
#endregion
///////////////////////////////////////////////////////////////////////
#region Protected Members
#region Module Helper Methods
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}
#endregion
///////////////////////////////////////////////////////////////////////
#region Protected Members
#region Module Helper Methods
protected virtual ISQLiteNativeModule GetNativeModuleImpl()
{
return null; /* NOTE: Use built-in defaults. */
}
///////////////////////////////////////////////////////////////////////
protected virtual ISQLiteNativeModule CreateNativeModuleImpl()
{
return new SQLiteNativeModule(this);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Native Table Helper Methods
protected virtual IntPtr AllocateTable()
{
|
| ︙ | ︙ | |||
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{
SQLiteMemory.Free(pCursor);
}
#endregion
///////////////////////////////////////////////////////////////////////
| | | > > > > > > > > > > > > | 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 |
{
SQLiteMemory.Free(pCursor);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Static Table Lookup Methods
private static IntPtr TableFromCursor(
SQLiteModule module,
IntPtr pCursor
)
{
if (pCursor == IntPtr.Zero)
return IntPtr.Zero;
return Marshal.ReadIntPtr(pCursor);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Table Lookup Methods
protected virtual IntPtr TableFromCursor(
IntPtr pCursor
)
{
return TableFromCursor(this, pCursor);
}
///////////////////////////////////////////////////////////////////////
protected virtual SQLiteVirtualTable TableFromIntPtr(
IntPtr pVtab
)
{
|
| ︙ | ︙ | |||
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///////////////////////////////////////////////////////////////////////
#region Error Handling Helper Methods
protected virtual bool SetTableError(
IntPtr pVtab,
string error
)
{
try
{
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///////////////////////////////////////////////////////////////////////
#region Error Handling Helper Methods
protected virtual bool SetTableError(
IntPtr pVtab,
string error
)
{
return SetTableError(this, pVtab, LogErrors, error);
}
///////////////////////////////////////////////////////////////////////
protected virtual bool SetTableError(
SQLiteVirtualTable table,
string error
)
{
return SetTableError(this, table, LogErrors, error);
}
///////////////////////////////////////////////////////////////////////
protected virtual bool SetCursorError(
SQLiteVirtualTableCursor cursor,
string error
)
{
return SetCursorError(this, cursor, LogErrors, error);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Static Error Handling Helper Methods
private static bool SetTableError(
SQLiteModule module,
IntPtr pVtab,
bool logErrors,
string error
)
{
try
{
if (logErrors)
{
SQLiteLog.LogMessage(SQLiteErrorCode.Error,
String.Format(CultureInfo.CurrentCulture,
"Virtual table error: {0}", error)); /* throw */
}
}
catch
|
| ︙ | ︙ | |||
3976 3977 3978 3979 3980 3981 3982 |
}
return success;
}
///////////////////////////////////////////////////////////////////////
| | > > | > > > > > > > > > > > > > > > > > > > > | > > < | < < < < | 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 |
}
return success;
}
///////////////////////////////////////////////////////////////////////
private static bool SetTableError(
SQLiteModule module,
SQLiteVirtualTable table,
bool logErrors,
string error
)
{
if (table == null)
return false;
IntPtr pVtab = table.NativeHandle;
if (pVtab == IntPtr.Zero)
return false;
return SetTableError(module, pVtab, logErrors, error);
}
///////////////////////////////////////////////////////////////////////
private static bool SetCursorError(
SQLiteModule module,
IntPtr pCursor,
bool logErrors,
string error
)
{
if (pCursor == IntPtr.Zero)
return false;
IntPtr pVtab = TableFromCursor(module, pCursor);
if (pVtab == IntPtr.Zero)
return false;
return SetTableError(module, pVtab, logErrors, error);
}
///////////////////////////////////////////////////////////////////////
private static bool SetCursorError(
SQLiteModule module,
SQLiteVirtualTableCursor cursor,
bool logErrors,
string error
)
{
if (cursor == null)
return false;
IntPtr pCursor = cursor.NativeHandle;
if (pCursor == IntPtr.Zero)
return false;
return SetCursorError(module, pCursor, logErrors, error);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Index Handling Helper Methods
protected virtual bool SetEstimatedCost(
|
| ︙ | ︙ |