You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
3.2 KiB
146 lines
3.2 KiB
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 1998, Microsoft Corp. All rights reserved.
|
|
//
|
|
// FILE
|
|
//
|
|
// propcmd.h
|
|
//
|
|
// SYNOPSIS
|
|
//
|
|
// This file defines commands for manipulating the Objects table.
|
|
//
|
|
// MODIFICATION HISTORY
|
|
//
|
|
// 02/20/1998 Original version.
|
|
// 04/03/1998 Increase property value length from 64 to 4096.
|
|
// Bind integers as DBTYPE_I4.
|
|
// Add PARAMETERS clause to all commands.
|
|
// 02/15/1999 Make commands MT safe.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _PROPCMD_H_
|
|
#define _PROPCMD_H_
|
|
|
|
#include <iasdefs.h>
|
|
#include <cmdbase.h>
|
|
#include <propbag.h>
|
|
#include <rowset.h>
|
|
|
|
//////////
|
|
// Column widths including null-terminator (i.e., Jet column size + 1).
|
|
//////////
|
|
const size_t PROPERTY_NAME_LENGTH = 256;
|
|
|
|
//////////
|
|
// Command to erase the contents of a property bag.
|
|
//////////
|
|
class EraseBag : public CommandBase
|
|
{
|
|
public:
|
|
void execute(ULONG bagKey)
|
|
{
|
|
_serialize
|
|
|
|
bag = bagKey;
|
|
|
|
CommandBase::execute();
|
|
}
|
|
|
|
PCWSTR getCommandText() const throw ()
|
|
{
|
|
return L"PARAMETERS X LONG;"
|
|
L"DELETE FROM Properties WHERE Bag = X;";
|
|
}
|
|
|
|
protected:
|
|
ULONG bag;
|
|
|
|
BEGIN_BIND_MAP(EraseBag, ParamIO, DBACCESSOR_PARAMETERDATA)
|
|
BIND_COLUMN(bag, 1, DBTYPE_I4),
|
|
END_BIND_MAP()
|
|
};
|
|
|
|
|
|
//////////
|
|
// Command to retrieve a property bag.
|
|
//////////
|
|
class GetBag : public CommandBase
|
|
{
|
|
public:
|
|
~GetBag()
|
|
{
|
|
finalize();
|
|
}
|
|
|
|
void execute(ULONG bagKey, PropertyBag& output);
|
|
|
|
PCWSTR getCommandText() const throw ()
|
|
{
|
|
return L"PARAMETERS X LONG;"
|
|
L"SELECT Name, Type, StrVal FROM Properties WHERE Bag = X;";
|
|
}
|
|
|
|
void initialize(IUnknown* session)
|
|
{
|
|
CommandBase::initialize(session);
|
|
|
|
readAccess = createReadAccessor(command);
|
|
}
|
|
|
|
void finalize() throw ()
|
|
{
|
|
releaseAccessor(readAccess);
|
|
|
|
CommandBase::finalize();
|
|
}
|
|
|
|
protected:
|
|
ULONG bag;
|
|
WCHAR name[PROPERTY_NAME_LENGTH];
|
|
ULONG type;
|
|
WCHAR value[PROPERTY_VALUE_LENGTH];
|
|
HACCESSOR readAccess;
|
|
|
|
BEGIN_BIND_MAP(GetBag, ParamIO, DBACCESSOR_PARAMETERDATA)
|
|
BIND_COLUMN(bag, 1, DBTYPE_I4),
|
|
END_BIND_MAP()
|
|
|
|
BEGIN_BIND_MAP(GetBag, ReadAccessor, DBACCESSOR_ROWDATA)
|
|
BIND_COLUMN(name, 1, DBTYPE_WSTR),
|
|
BIND_COLUMN(type, 2, DBTYPE_I4),
|
|
BIND_COLUMN(value, 3, DBTYPE_WSTR),
|
|
END_BIND_MAP()
|
|
};
|
|
|
|
|
|
//////////
|
|
// Command to save a property bag.
|
|
//////////
|
|
class SetBag : public CommandBase
|
|
{
|
|
public:
|
|
void execute(ULONG bagKey, PropertyBag& input);
|
|
|
|
PCWSTR getCommandText() const throw ()
|
|
{
|
|
return L"PARAMETERS W LONG, X TEXT, Y LONG, Z LONGTEXT;"
|
|
L"INSERT INTO Properties (Bag, Name, Type, StrVal) VALUES (W, X, Y, Z);";
|
|
}
|
|
|
|
protected:
|
|
ULONG bag;
|
|
WCHAR name[PROPERTY_NAME_LENGTH];
|
|
ULONG type;
|
|
WCHAR value[PROPERTY_VALUE_LENGTH];
|
|
|
|
BEGIN_BIND_MAP(SetBag, ParamIO, DBACCESSOR_PARAMETERDATA)
|
|
BIND_COLUMN(bag, 1, DBTYPE_I4),
|
|
BIND_COLUMN(name, 2, DBTYPE_WSTR),
|
|
BIND_COLUMN(type, 3, DBTYPE_I4),
|
|
BIND_COLUMN(value, 4, DBTYPE_WSTR),
|
|
END_BIND_MAP()
|
|
};
|
|
|
|
#endif // _PROPCMD_H_
|