apengine/apeng/inc/ApEngineCommons.h
changeset 61 8b0c979bbe8c
parent 59 2709c04a4af5
child 70 ac5daea24fb0
--- a/apengine/apeng/inc/ApEngineCommons.h	Fri Sep 03 09:38:26 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,309 +0,0 @@
-/*
-* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:  Declaration of some common global functions.
-*
-*/
-
-
-#ifndef APENGINE_COMMONS_H
-#define APENGINE_COMMONS_H
-
-//  INCLUDES
-#include <commdb.h>
-#include <ApEngineVer.h>
-
-
-// CONSTANTS
-_LIT(KSqlSelectBase, "SELECT * from %s WHERE %s='%S'");
-_LIT( KEmpty, "" );
-_LIT( KFormat, "%S" );
-_LIT8( KFormat8,"%S" );
-
-
-LOCAL_C const TInt KR_ApEngineDefaultValue    = 0;
-
-// DATA TYPES
-
-enum TApEnginePanicCodes
-    {
-    ENullPointer,
-    EInvalidDbType,
-    EWrongResourceFormat,
-    EActiveApDbObserverNotFound,
-    EInvalidColumn,
-    EInvalidSpeed,
-    ESqlError,
-    ESanityCheckFailed,
-    ENotSupported,
-    EMenuCommandUnknown
-    };
-
-
-// CLASS DECLARATION
-/**
-* ApCommons is a collection of commonly used 'utility' functions.
-*/
-NONSHARABLE_CLASS( ApCommons )
-    {
-    public:
-        /**
-        * Panics.
-        */
-        static void Panic( TApEnginePanicCodes aPanic );
-
-        /**
-        * Starts a transaction on the given database if not already in one.
-        * In case of error, leaves with CommDb error codes.
-        * In case of KErrLocked, if retry is asked, it retries the operation
-        * after a short ( KRetryWait ) period. If still locked, leaves with it
-        * to allow caller module to handle the situation
-        * (e.g. giving up a Retry/Cancel query).
-        * In case of successfull transaction starting, pushes
-        * RollbackTransactionOnLeave to the CleanUpStack.
-        * @param aDb A reference to a CCommsDatabase object to start
-        * the transaction.
-        * @param aRetry A TBool indicating whether it shall retry
-        * the operation or not.
-        * @return Boolean indicating whether it has started a
-        * transaction or not (it also means whether it has pushed it or not.)
-        * It is used after DB operations to decide whether we have to
-        * commit or it is the caller's task.
-        */
-        static TBool StartPushedTransactionLC( CCommsDatabase& aDb,
-                                               TBool aRetry = ETrue );
-
-
-        /**
-        * Rolls back transaction on leave; called in leave processing.
-        * @param aDb The database (CCommsDatabase*) as TAny*.
-        */
-        static void RollbackTransactionOnLeave( TAny* aDb );
-
-
-
-
-        /**
-        * Creates a valid name from the passed aName.
-        * @param aDb A reference to a CCommsDatabase object 
-        * @param aChanged A reference to a boolean to hold whether the name 
-        *   had been changed or not.
-        * @param aUid The Uid of the access point whose name we are checking
-        *   to be able to handle updates and ignore self-match only situation
-        * @param aIsNew a boolean specifying whether tha access point whose 
-        *   name we are checking is new or not.
-        * @return A valid name
-        */
-        static HBufC* DoMakeValidNameL( CCommsDatabase& aDb,
-                                        TBool& aChanged,
-                                        HBufC* aName,
-                                        TUint32 aUid,
-                                        TBool aIsNew );
-
-        /**
-        * Ensures that the passed name is valid, length > 0 & length < max.
-        * If length == 0, leaves with KErrInvalidName
-        * If name is only whitespace, leaves with KErrInvalidName
-        * If name is longer than max, name is truncated
-        * It copies the name, pushez it onto the CleanupStack and passes
-        * ownership.
-        * @param aName The name
-        * @param aChanged A reference to a boolean to hold whether the name 
-        *   had been changed or not.        
-        * @return The valid-length name
-        */
-        static HBufC* EnsureMaxLengthLC( const TDesC* aName, TBool& aChanged );
-
-
-
-
-
-
-        /**
-        * If aName is constructed from aPrefix with a postfix, get the numeric
-        * value of the postfix, e.g:
-        *   - GetPostfix( "Foo (3)", "Foo" ) == 3
-        *   - GetPostfix( "Foo 23 (45)", "Foo 23" ) == 45
-        * If aName is the same as aPrefix, return 0, e.g.:
-        *   - GetPostfix( "Foo", "Foo" ) == 0
-        * If aName is not constructed from aPrefix, return -1, e.g.:
-        *   - GetPostfix( "Foobar", "Foo" ) == -1
-        *   - GetPostfix( "Fo 23 45", "Foo" ) == -1
-        * @param aName  The name to get the postfix from
-        * @param aPrefix The prefix
-        * @return The postfix
-        */
-        static TInt GetPostfix( const TDesC& aName, const TDesC& aPrefix );
-
-
-        /**
-        * Given aName in the format <prefix> or
-        * <prefix><brace><integer><brace>, return a
-        * pointer to the leading part. That is, if there is
-        * trailing <space><integer>, then that is excluded;
-        * if there is no trailing part, then the original
-        * decriptor is returned.
-        * Examples:
-        *   - "Foo" returns "Foo";
-        *   - "Foo 12" returns "Foo 12";
-        *   - "Foo(12)" returns "Foo";
-        *   - "Foo 12 (34)" returns "Foo 12 ";
-        *   - "Foo bar" returns "Foo bar";
-        *   - "Foo " returns "Foo ".
-        * @param aName  The name to get the prefix from
-        * @return The prefix
-        */
-        static TPtrC GetPrefix( const TDesC& aName );
-
-
-        /**
-        * Reads up a TUint32 from the given tables given column.
-        * Leaves in case of error.
-        * Leave with KErrUnknown is captured and returned as
-        * function return value.
-        * The main aim is not to Leave if some value is not written to the DB.
-        * @param atable The table to read from
-        * @param aColumn The column to read
-        * @param aValue A reference to hold the readed integer
-        * @return Error code
-        */
-        static TInt ReadUintL
-                        (
-                        CCommsDbTableView* atable,
-                        const TDesC& aColumn,
-                        TUint32& aValue
-                        );
-
-        /**
-        * Reads up a TBool from the given tables given column.
-        * Leaves in case of error.
-        * Leave with KErrUnknown is captured and returned as
-        * function return value.
-        * The main aim is not to Leave if some value is not written to the DB.
-        * @param atable The table to read from
-        * @param aColumn The column to read
-        * @param aValue A reference to hold the readed boolean
-        * @return Error code
-        */
-        static TInt ReadBoolL
-                        (
-                        CCommsDbTableView* atable,
-                        const TDesC& aColumn,
-                        TBool& aValue
-                        );
-
-
-        /**
-        * Reads up a long text from the given tables given column.
-        * Leaves in case of error.
-        * Leave with KErrUnknown is captured and returned as
-        * function return value.
-        * Ownership of the returned text is passed to the caller.
-        * The main aim is not to Leave if some value is not written to the DB.
-        * @param atable The table to read from
-        * @param aColumn The column to read
-        * @param aValue A reference to hold the error code
-        * @return The readed long text
-        */
-        static HBufC* ReadLongTextLC
-                        (
-                        CCommsDbTableView* atable,
-                        const TDesC& aColumn,
-                        TInt& aErrCode
-                        );
-                        
-
-        /**
-        * Reads up a long text from the given tables given column.
-        * Leaves in case of error.
-        * Ownership of the returned text is passed to the caller.
-        * Readed data is poped from the CleanuptStack to be able
-        * to TRAP it in ReadLongTextLC (above) function...
-        * @param atable The table to read from
-        * @param aColumn The column to read
-        * @return The readed long text
-        */
-        static HBufC* ReadLongTextL( CCommsDbTableView* atable,
-                                     const TDesC& aColumn );
-
-
-        /**
-        * Returns the escaped aLiteral.
-        * @param aLiteral The lietral to be escaped
-        * @return the escaped aLiteral.
-        */
-        static HBufC* EscapeTextLC( const TDesC& aLiteral );
-
-
-        /**
-        * Reads up the specified text columns value from the database.
-        * In case of error, leaves with CommDb error codes.
-        */
-        static HBufC16* ReadText16ValueLC( CCommsDbTableView* atable,
-                                           const TDesC& aCol );
-
-        /**
-        * Reads up the specified text columns value from the database.
-        * In case of error, leaves with CommDb error codes.
-        * @param atable The table to read from
-        * @param aColumn The column to read
-        * @return The readed text
-        */
-        static HBufC8* ReadText8ValueLC( CCommsDbTableView* atable,
-                                         const TDesC& aCol );
-
-        /**
-        * Reads up the read-only flag for the current record
-        * in the passed table
-        * In case of error, leaves with CommDb error codes.
-        * The function expects the passed table to have a valid
-        * current record, that is, after creating the table,
-        * record cursor must be setted to the desired record...
-        * @param aTable The table to read current records read-only flag.
-        * @return The current records read-only flag
-        */
-        static TBool DoGetReadOnlyL( CCommsDbTableView& aTable );
-
-
-        /**
-        * Commits a transaction on the given database.
-        * In case of error, returns the CommDb error codes.
-        * @param aDb The database to commit the transaction on
-        * @return Error code
-        */
-        static TInt CommitTransaction( CCommsDatabase& aDb );
-
-
-        /**
-        * Gets the local variant value 
-        * @return A TInt stating the variant
-        */
-        static TInt GetVariantL();
-
-
-        /**
-        * Gives back the TInt Value of the given shared data key for the given 
-        * UId. Does't use notify the given shared data, just gives back the
-        * actual value.
-        * @param aUid actual uid to identify the chunk of shared data
-        * @param aKey actual shared data key
-        * @return The actual value of the shared data
-        */
-        static TInt IsGivenSharedDataSupportL( const TUid aUid, 
-                                               const TUint32 aKey );
-
-    };
-
-#endif      // CAPENGINE_COMMONS_H
-
-// End of File