diff -r 000000000000 -r 08ec8eefde2f persistentstorage/sql/SRC/Server/SqlSrvGetFirstSqlStmt.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/persistentstorage/sql/SRC/Server/SqlSrvGetFirstSqlStmt.cpp Fri Jan 22 11:06:30 2010 +0200 @@ -0,0 +1,61 @@ +// Copyright (c) 2006-2009 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: +// + +#include +#include "sqlite3.h" + +//This function searches aString argument for ';' occurences. +//Every time when it finds a ';' character, the function places a 0 right after the ';' and +//tests the just created, zero-terminated substring if it is a comlpete SQL statement. +// +//If it is a SQL statement, the function replaces the found ';' character with 0 and returns the just created +//zero-terminated substring.Also the function modifies aString argument to point right after the found +//SQL string. If it is not SQL statement, the function will continue the searching. +// +//If there is no ';' inside aString argument, the function returns the same string as a return result and +//modifies aString argument - sets it to TPtr(NULL, 0, 0). +// +//The function expects aString argument to be zero-terminated. +TPtrC GetFirstSqlStmt(TPtr& aString) + { + const TChar KDelimitier(';'); + TPtr str(const_cast (aString.Ptr()), aString.Length(), aString.Length()); + TInt afterDelimitierPos = 0; + TInt pos; + while((pos = str.Locate(KDelimitier) + 1) > 0 && pos < str.Length()) + { + //There is a possibility that the string which terminates with the found ';' is SQL statement. + //Zero terminate the string placing a zero right after ';' character and test it using sqlite3_complete16() + //call. If it is not SQL string, restore the original character and continue searching. + afterDelimitierPos += pos; + TChar ch = aString[afterDelimitierPos]; + aString[afterDelimitierPos] = 0; + TInt res = sqlite3_complete16(aString.Ptr()); + aString[afterDelimitierPos] = ch; + if(res) + { + str.Set(const_cast (aString.Ptr()), afterDelimitierPos, afterDelimitierPos); + //Replace the found ';' character with 0. + str[afterDelimitierPos - 1] = 0; + aString.Set(const_cast (aString.Ptr()) + afterDelimitierPos, aString.Length() - afterDelimitierPos, aString.Length() - afterDelimitierPos); + return str; + } + str.Set(const_cast (str.Ptr()) + pos, str.Length() - pos, str.Length() - pos); + } + //aString argument does not contain valid SQL statement or there is no ';' character inside aString. + //Set aString to TPtr(NULL, 0, 0) and return the original string. + aString.Set(NULL, 0, 0); + return str; + }