myxmlparseview2.cpp

symbian os xml parse

/*
* ============================================================================
*  Name     : CMyXMLParseView2 from MyXMLParseView2.h
*  Part of  : MyXMLParse
*  Created  : 19.05.2008 by 
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: 
* ============================================================================
*/

// INCLUDE FILES
#include  <aknviewappui.h>
#include  <avkon.hrh>
#include  <MyXMLParse.rsg>
#include  "MyXMLParseView2.h"
#include  "MyXMLParseContainer2.h" 
#include  "Myxmlparse.hrh"

#include "MyXMLParseAppUi.h"


#include <charconv.h>////  for char set convert GBK - Unicode

#include  <eikmenup.h>

#include <eikenv.h>///iEikonEnv
#include <AknQueryDialog.h> //弹出对话框
#include <f32file.h >//文件
#include <aknnotewrappers.h>//非阻塞对话框
#include "MyXMLParseAppUi.h"
#include "s32file.h"//for readstream 

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------
// CMyXMLParseView2::ConstructL(const TRect& aRect)
// EPOC two-phased constructor
// ---------------------------------------------------------
//
void CMyXMLParseView2::ConstructL()
    {
    BaseConstructL( R_MYXMLPARSE_VIEW2 );
    }

// ---------------------------------------------------------
// CMyXMLParseView2::~CMyXMLParseView2()
// destructor
// ---------------------------------------------------------
//
CMyXMLParseView2::~CMyXMLParseView2()
    {
    if ( iContainer )
        {
        AppUi()->RemoveFromViewStack( *this, iContainer );
        }

    delete iContainer;
    }

// ---------------------------------------------------------
// TUid CMyXMLParseView2::Id()
// 
// ---------------------------------------------------------
//
TUid CMyXMLParseView2::Id() const
    {
    return KView2Id;
    }

// ---------------------------------------------------------
// CMyXMLParseView2::HandleCommandL(TInt aCommand)
// takes care of view command handling
// ---------------------------------------------------------
//
void CMyXMLParseView2::HandleCommandL(TInt aCommand)
    {   
    switch ( aCommand )
        {
        case EAknSoftkeyOk:
            {
            iEikonEnv->InfoMsg( _L("view2 ok") );
            break;
            }
        case EAknSoftkeyBack:
            {
            AppUi()->ActivateLocalViewL( TUid::Uid( EMultiViewsView1Id ) );
            break;
            }
        default:
            {
            AppUi()->HandleCommandL( aCommand );
            break;
            }
        }
    }

// ---------------------------------------------------------
// CMyXMLParseView2::HandleClientRectChange()
// ---------------------------------------------------------
//
void CMyXMLParseView2::HandleClientRectChange()
    {
    if ( iContainer )
        {
        iContainer->SetRect( ClientRect() );
        }
    }

// ---------------------------------------------------------
// CMyXMLParseView2::DoActivateL(...)
// 
// ---------------------------------------------------------
//
void CMyXMLParseView2::DoActivateL(
   const TVwsViewId& /*aPrevViewId*/,TUid /*aCustomMessageId*/,
   const TDesC8& /*aCustomMessage*/)
    {
    if (!iContainer)
        {
		CMyXMLParseAppUi*   appUi   =   static_cast<CMyXMLParseAppUi*>(AppUi());  
		iFileName=appUi->Share(); 
	 	Edit();
        iContainer = new (ELeave) CMyXMLParseContainer2;
        iContainer->SetMopParent(this);
        iContainer->ConstructL(displayBuf, ClientRect() );
        AppUi()->AddToStackL( *this, iContainer );
        }
   }

// ---------------------------------------------------------
// CMyXMLParseView2::DoDeactivate()
// 
// ---------------------------------------------------------
//
void CMyXMLParseView2::DoDeactivate()
    {
    if ( iContainer )
        {
		
        AppUi()->RemoveFromViewStack( *this, iContainer );
        }
    
    delete iContainer;
    iContainer = NULL;
    }

// End of File


void CMyXMLParseView2::Edit()
{
	_LIT(iFileNameleft,"c:\\Nokia\\");
	TBuf<128>iPath(iFileNameleft);
	iPath.Append(iFileName);

	RFs iFs;
	RFile aFile;
	iFs.Connect();//连接文件
	aFile.Open(iFs,iPath,EFileRead);//打开文件

	TBuf8<1024>readBuf;
//	aFile.Write(_L8("Some thing you wanna write...\n"));
//	aFile.Read(readBuf,100);
	ConvGbk2Uni(readBuf,displayBuf);//转换

	aFile.Close();
	iFs.Close();
}


void CMyXMLParseView2::ConvGbk2Uni(TDesC8& original, TDes& res) 
{
	RFs aFileServerSession;
	aFileServerSession.Connect();
	CCnvCharacterSetConverter* converter=CCnvCharacterSetConverter::NewLC();
	if(converter->PrepareToConvertToOrFromL(KCharacterSetIdentifierGbk,aFileServerSession)!=CCnvCharacterSetConverter::EAvailable)
	User::Leave(KErrNotSupported);
	TInt state=CCnvCharacterSetConverter::KStateDefault;
	TPtrC8 str( original );
	HBufC* iInfoText = HBufC::NewL( str.Length() );
	TPtr16 ptr = iInfoText->Des();
	if(CCnvCharacterSetConverter::EErrorIllFormedInput == converter->ConvertToUnicode(ptr, str, state))
	User::Leave(KErrArgument);
	res.Zero() ; 
	res.Copy(ptr) ; 
	aFileServerSession.Close();
	CleanupStack::PopAndDestroy(); 
	delete iInfoText;
}