[p5sagit/p5-mst-13.2.git] / symbian / PerlApp.cpp

/* Copyright (c) 2004-2005 Nokia. All rights reserved. */

/* The PerlApp application is licensed under the same terms as Perl itself.
 * Note that this PerlApp is for Symbian/Series 60 smartphones and has nothing
 * whatsoever to do with the ActiveState PerlApp. */

#include "PerlApp.h"

#include <avkon.hrh>
#include <aknnotewrappers.h> 
#include <apparc.h>
#include <e32base.h>
#include <e32cons.h>
#include <eikenv.h>
#include <bautils.h>
#include <eikappui.h>
#include <utf.h>
#include <f32file.h>

#include <AknCommonDialogs.h>

#ifndef __SERIES60_1X__
#include <CAknFileSelectionDialog.h>
#endif

#include <coemain.h>

#ifndef PerlMin

#include "PerlApp.hrh"
#include "PerlApp.rsg"

#endif //#ifndef PerlMin

#include "EXTERN.h"
#include "perl.h"
#include "PerlBase.h"

const TUid KPerlAppUid = {
#ifdef PerlMinUid
  PerlMinUid
#else
  0x102015F6
#endif
};

_LIT(KDefaultScript, "default.pl");

// This is like the Symbian _LIT() but without the embedded L prefix,
// which enables using #defined constants (which need to carry their
// own L prefix).
#ifndef _LIT_NO_L
# define _LIT_NO_L(n, s) static const TLitC<sizeof(s)/2> n={sizeof(s)/2-1,s}
#endif // #ifndef _LIT_NO_L

#ifdef PerlMinName
_LIT_NO_L(KAppName, PerlMinName);
#else
_LIT(KAppName, "PerlApp");
#endif

#ifndef PerlMin

_LIT_NO_L(KFlavor, PERL_SYMBIANSDK_FLAVOR);
_LIT(KAboutFormat,
     "Perl %d.%d.%d, Symbian port %d.%d.%d, built for %S SDK %d.%d");
_LIT(KCopyrightFormat,
     "Copyright 1987-2005 Larry Wall and others, Symbian port Copyright Nokia 2004-2005");
_LIT(KInboxPrefix, "\\System\\Mail\\");
_LIT(KScriptPrefix, "\\Perl\\");

_LIT8(KModulePrefix, SITELIB); // SITELIB from Perl config.h

typedef TBuf<256>  TMessageBuffer;
typedef TBuf8<256> TPeekBuffer;
typedef TBuf8<256> TFileName8;

#endif // #ifndef PerlMin

// Usage: DEBUG_PRINTF((_L("%S"), &aStr))
#if 1
#define DEBUG_PRINTF(s) {TMessageBuffer message; message.Format s; YesNoDialogL(message);}
#endif

static void DoRunScriptL(TFileName aScriptName);

TUid CPerlAppApplication::AppDllUid() const
{
    return KPerlAppUid;
}

enum TPerlAppPanic 
{
    EPerlAppCommandUnknown = 1
};

void Panic(TPerlAppPanic aReason)
{
    User::Panic(KAppName, aReason);
}

void CPerlAppUi::ConstructL()
{
    BaseConstructL();
    iAppView = CPerlAppView::NewL(ClientRect());
    AddToStackL(iAppView);
    iFs = NULL;
    CEikonEnv::Static()->DisableExitChecks(ETrue); // Symbian FAQ-0577.
}

CPerlAppUi::~CPerlAppUi()
{
    if (iAppView) {
        iEikonEnv->RemoveFromStack(iAppView);
        delete iAppView;
        iAppView = NULL;
    }
    if (iFs) {
        delete iFs;
        iFs = NULL;
    }
    if (iDoorObserver) // Otherwise the embedding application waits forever.
        iDoorObserver->NotifyExit(MApaEmbeddedDocObserver::EEmpty);
}

#ifndef PerlMin

static TBool DlgOk(CAknNoteDialog* dlg)
{
    return dlg && dlg->RunDlgLD() == EAknSoftkeyOk;
}

static TBool OkCancelDialogL(TDesC& aMessage)
{
    CAknNoteDialog* dlg =
        new (ELeave) CAknNoteDialog(CAknNoteDialog::EConfirmationTone);
    dlg->PrepareLC(R_OK_CANCEL_DIALOG);
    dlg->SetTextL(aMessage);
    return DlgOk(dlg);
}

static TBool YesNoDialogL(TDesC& aMessage)
{
    CAknNoteDialog* dlg =
        new (ELeave) CAknNoteDialog(CAknNoteDialog::EConfirmationTone);
    dlg->PrepareLC(R_YES_NO_DIALOG);
    dlg->SetTextL(aMessage);
    return DlgOk(dlg);
}

static TInt InformationNoteL(TDesC& aMessage)
{
    CAknInformationNote* note = new (ELeave) CAknInformationNote;
    return note->ExecuteLD(aMessage);
}

static TInt ConfirmationNoteL(TDesC& aMessage)
{
    CAknConfirmationNote* note = new (ELeave) CAknConfirmationNote;
    return note->ExecuteLD(aMessage);
}

static TInt WarningNoteL(TDesC& aMessage)
{
    CAknWarningNote* note = new (ELeave) CAknWarningNote;
    return note->ExecuteLD(aMessage);
}

static TInt TextQueryDialogL(const TDesC& aPrompt, TDes& aData, const TInt aMaxLength)
{
    CAknTextQueryDialog* dlg =
        new (ELeave) CAknTextQueryDialog(aData);
    dlg->SetPromptL(aPrompt);
    dlg->SetMaxLength(aMaxLength);
    return dlg->ExecuteLD(R_TEXT_QUERY_DIALOG);
}

// The isXXX() come from the Perl headers.
#define FILENAME_IS_ABSOLUTE(n) \
        (isALPHA(((n)[0])) && ((n)[1]) == ':' && ((n)[2]) == '\\')

static TBool IsInPerl(TFileName aFileName)
{
    TInt offset = aFileName.FindF(KScriptPrefix);
    return ((offset == 0 && // \foo
             aFileName[0] == '\\')
            ||
            (offset == 2 && // x:\foo
             FILENAME_IS_ABSOLUTE(aFileName)));
}

static TBool IsInInbox(TFileName aFileName)
{
    TInt offset = aFileName.FindF(KInboxPrefix);
    return ((offset == 0 && // \foo
             aFileName[0] == '\\')
            ||
            (offset == 2 && // x:\foo
             FILENAME_IS_ABSOLUTE(aFileName)));
}

static TBool IsPerlModule(TParsePtrC aParsed)
{
    return aParsed.Ext().CompareF(_L(".pm")) == 0; 
}

static TBool IsPerlScript(TParsePtrC aParsed)
{
    return aParsed.Ext().CompareF(_L(".pl")) == 0; 
}

static void CopyFromInboxL(RFs aFs, const TFileName& aSrc, const TFileName& aDst)
{
    TBool proceed = ETrue;
    TMessageBuffer message;

    message.Format(_L("%S is untrusted. Install only if you trust provider."), &aDst);
    if (OkCancelDialogL(message)) {
        message.Format(_L("Install as %S?"), &aDst);
        if (OkCancelDialogL(message)) {
            if (BaflUtils::FileExists(aFs, aDst)) {
                message.Format(_L("Replace old %S?"), &aDst);
                if (!OkCancelDialogL(message))
                    proceed = EFalse;
            }
            if (proceed) {
                // Create directory?
                TInt err = BaflUtils::CopyFile(aFs, aSrc, aDst);
                if (err == KErrNone) {
                    message.Format(_L("Installed %S"), &aDst);
                    ConfirmationNoteL(message);
                }
                else {
                    message.Format(_L("Failure %d installing %S"), err, &aDst);
                    WarningNoteL(message);
                }
            }
        }
    }
}

static TBool FindPerlPackageName(TPeekBuffer aPeekBuffer, TInt aOff, TFileName& aFn)
{
    aFn.SetMax();
    TInt m = aFn.MaxLength();
    TInt n = aPeekBuffer.Length();
    TInt i = 0;
    TInt j = aOff;

    aFn.SetMax();
    // The following is a little regular expression
    // engine that matches Perl package names.
    if (j < n && isSPACE(aPeekBuffer[j])) {
        while (j < n && isSPACE(aPeekBuffer[j])) j++;
        if (j < n && isALPHA(aPeekBuffer[j])) {
            while (j < n && isALNUM(aPeekBuffer[j])) {
                while (j < n &&
                       isALNUM(aPeekBuffer[j]) &&
                       i < m)
                    aFn[i++] = aPeekBuffer[j++];
                if (j + 1 < n &&
                    aPeekBuffer[j    ] == ':' &&
                    aPeekBuffer[j + 1] == ':' &&
                    i < m) {
                    aFn[i++] = '\\';
                    j += 2;
                    if (j < n &&
                        isALPHA(aPeekBuffer[j])) {
                        while (j < n &&
                               isALNUM(aPeekBuffer[j]) &&
                               i < m) 
                            aFn[i++] = aPeekBuffer[j++];
                    }
                }
            }
            while (j < n && isSPACE(aPeekBuffer[j])) j++;
            if (j < n && aPeekBuffer[j] == ';' && i + 3 < m) {
                aFn.SetLength(i);
                aFn.Append(_L(".pm"));
                return ETrue;
            }
        }
    }
    return EFalse;
}

static void GuessPerlModule(TFileName& aGuess, TPeekBuffer aPeekBuffer, TParse aDrive)
{
   TInt offset = aPeekBuffer.Find(_L8("package"));
   if (offset != KErrNotFound) {
       const TInt KPackageLen = 7;
       TFileName q;

       if (!FindPerlPackageName(aPeekBuffer, offset + KPackageLen, q))
           return;

       TFileName8 p;
       p.Copy(aDrive.Drive());
       p.Append(KModulePrefix);

       aGuess.SetMax();
       if (p.Length() + 1 + q.Length() < aGuess.MaxLength()) {
           TInt i = 0, j;

           for (j = 0; j < p.Length(); j++)
               aGuess[i++] = p[j];
           aGuess[i++] = '\\';
           for (j = 0; j < q.Length(); j++)
               aGuess[i++] = q[j];
           aGuess.SetLength(i);
       }
       else
           aGuess.SetLength(0);
   }
}

static TBool LooksLikePerlL(TPeekBuffer aPeekBuffer)
{
    return aPeekBuffer.Left(2).Compare(_L8("#!")) == 0 &&
           aPeekBuffer.Find(_L8("perl")) != KErrNotFound;
}

static TBool InstallStuffL(const TFileName &aSrc, TParse aDrive, TParse aFile, TPeekBuffer aPeekBuffer, RFs aFs)
{
    TFileName aDst;
    TPtrC drive  = aDrive.Drive();
    TPtrC namext = aFile.NameAndExt(); 

    aDst.Format(_L("%S%S%S"), &drive, &KScriptPrefix, &namext);
    if (!IsPerlScript(aDst) && !LooksLikePerlL(aPeekBuffer)) {
        aDst.SetLength(0);
        if (IsPerlModule(aDst))
            GuessPerlModule(aDst, aPeekBuffer, aDrive);
    }
    if (aDst.Length() > 0) {
        CopyFromInboxL(aFs, aSrc, aDst);
        return ETrue;
    }

    return EFalse;
}

static TBool RunStuffL(const TFileName& aScriptName, TPeekBuffer aPeekBuffer)
{
    TBool isModule = EFalse;

    if (IsInPerl(aScriptName) &&
        (IsPerlScript(aScriptName) ||
         (isModule = IsPerlModule(aScriptName)) ||
         LooksLikePerlL(aPeekBuffer))) {
        TMessageBuffer message;

        if (isModule)
            message.Format(_L("Really run module %S?"), &aScriptName);
        else 
            message.Format(_L("Run %S?"), &aScriptName);
        if (YesNoDialogL(message))
            DoRunScriptL(aScriptName);

        return ETrue;
    }

    return EFalse;
}

void CPerlAppUi::InstallOrRunL(const TFileName& aFileName)
{
    TParse aFile;
    TParse aDrive;
    TMessageBuffer message;

    aFile.Set(aFileName, NULL, NULL);
    if (FILENAME_IS_ABSOLUTE(aFileName)) {
        aDrive.Set(aFileName, NULL, NULL);
    } else {
        TFileName appName =
          CEikonEnv::Static()->EikAppUi()->Application()->AppFullName();
        aDrive.Set(appName, NULL, NULL);
    }
    if (!iFs)
        iFs = &CEikonEnv::Static()->FsSession();
    RFile f;
    TInt err = f.Open(*iFs, aFileName, EFileRead);
    if (err == KErrNone) {
        TPeekBuffer aPeekBuffer;
        err = f.Read(aPeekBuffer);
        f.Close();  // Release quickly.
        if (err == KErrNone) {
            if (!(IsInInbox(aFileName) ?
                  InstallStuffL(aFileName, aDrive, aFile, aPeekBuffer, *iFs) :
                  RunStuffL(aFileName, aPeekBuffer))) {
                message.Format(_L("Failed for file %S"), &aFileName);
                WarningNoteL(message);
            }
        } else {
            message.Format(_L("Error %d reading %S"), err, &aFileName);
            WarningNoteL(message);
        }
    } else {
        message.Format(_L("Error %d opening %S"), err, &aFileName);
        WarningNoteL(message);
    }
    if (iDoorObserver)
        delete CEikonEnv::Static()->EikAppUi();
    else
        Exit();
}

#endif // #ifndef PerlMin

static void DoRunScriptL(TFileName aScriptName)
{
    CPerlBase* perl = CPerlBase::NewInterpreterLC();
    TRAPD(error, perl->RunScriptL(aScriptName));
#ifndef PerlMin
    if (error != KErrNone) {
        TMessageBuffer message;
        message.Format(_L("Error %d"), error);
        YesNoDialogL(message);
    }
#endif // #ifndef PerlMin
    CleanupStack::PopAndDestroy(perl);
}

#ifndef PerlMin

void CPerlAppUi::OpenFileL(const TDesC& aFileName)
{
    InstallOrRunL(aFileName);
    return;
}

#endif // #ifndef PerlMin

TBool CPerlAppUi::ProcessCommandParametersL(TApaCommand aCommand, TFileName& /* aDocumentName */, const TDesC8& /* aTail */)
{
    if (aCommand == EApaCommandRun) {
        TFileName appName = Application()->AppFullName();
	TParse p;
	p.Set(KDefaultScript, &appName, NULL);
	TEntry aEntry;
	RFs aFs;
	aFs.Connect();
	if (aFs.Entry(p.FullName(), aEntry) == KErrNone) {
	    DoRunScriptL(p.FullName());
	    Exit();
	}
    }
    return aCommand == EApaCommandOpen ? ETrue : EFalse;
}

#ifndef PerlMin

void CPerlAppUi::SetFs(const RFs& aFs)
{
    iFs = (RFs*) &aFs;
}

#endif // #ifndef PerlMin

void CPerlAppUi::HandleCommandL(TInt aCommand)
{
#ifndef PerlMin
    TMessageBuffer message;
#endif // #ifndef PerlMin

    switch(aCommand)
    {
    case EEikCmdExit:
    case EAknSoftkeyExit:
        Exit();
        break;
#ifndef PerlMin
    case EPerlAppCommandAbout:
        {
            message.Format(KAboutFormat,
                           PERL_REVISION,
                           PERL_VERSION,
                           PERL_SUBVERSION,
                           PERL_SYMBIANPORT_MAJOR,
                           PERL_SYMBIANPORT_MINOR,
                           PERL_SYMBIANPORT_PATCH,
                           &KFlavor,
                           PERL_SYMBIANSDK_MAJOR,
                           PERL_SYMBIANSDK_MINOR
                           );
            InformationNoteL(message);
        }
        break;
    case EPerlAppCommandTime:
        {
            CPerlBase* perl = CPerlBase::NewInterpreterLC();
            const char *const argv[] =
              { "perl", "-le",
                "print 'Running in ', $^O, \"\\n\", scalar localtime" };
            perl->ParseAndRun(sizeof(argv)/sizeof(char*), (char **)argv, 0);
            CleanupStack::PopAndDestroy(perl);
        }
        break;
     case EPerlAppCommandRunFile:
        {
            InformationNoteL(message);
            TFileName aScriptUtf16;
            if (AknCommonDialogs::RunSelectDlgLD(aScriptUtf16,
                                                 R_MEMORY_SELECTION_DIALOG))
                DoRunScriptL(aScriptUtf16);
        }
        break;
     case EPerlAppCommandOneLiner:
        {
            _LIT(prompt, "Oneliner:");
            if (TextQueryDialogL(prompt, iOneLiner, KPerlAppOneLinerSize)) {
                const TUint KPerlAppUtf8Multi = 3;
                TBuf8<KPerlAppUtf8Multi * KPerlAppOneLinerSize> utf8;

                CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8, iOneLiner);
                CPerlBase* perl = CPerlBase::NewInterpreterLC();
                int argc = 3;
                char **argv = (char**) malloc(argc * sizeof(char *));
                User::LeaveIfNull(argv);

                TCleanupItem argvCleanupItem = TCleanupItem(free, argv);
                CleanupStack::PushL(argvCleanupItem);
                argv[0] = (char *) "perl";
                argv[1] = (char *) "-le";
                argv[2] = (char *) utf8.PtrZ();
                perl->ParseAndRun(argc, argv);
                CleanupStack::PopAndDestroy(2, perl);
            }
        }
        break;
     case EPerlAppCommandCopyright:
        {
            message.Format(KCopyrightFormat);
            InformationNoteL(message);
        }
        break;
#endif // #ifndef PerlMin
    default:
        Panic(EPerlAppCommandUnknown);
        break;
    }
}

CPerlAppView* CPerlAppView::NewL(const TRect& aRect)
{
    CPerlAppView* self = CPerlAppView::NewLC(aRect);
    CleanupStack::Pop(self);
    return self;
}

CPerlAppView* CPerlAppView::NewLC(const TRect& aRect)
{
    CPerlAppView* self = new (ELeave) CPerlAppView;
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    return self;
}

void CPerlAppView::ConstructL(const TRect& aRect)
{
    CreateWindowL();
    SetRect(aRect);
    ActivateL();
}

void CPerlAppView::Draw(const TRect& /*aRect*/) const
{
    CWindowGc& gc = SystemGc();
    TRect rect = Rect();
    gc.Clear(rect);
}

CApaDocument* CPerlAppApplication::CreateDocumentL() 
{
    CPerlAppDocument* document = new (ELeave) CPerlAppDocument(*this);
    return document;
}

CEikAppUi* CPerlAppDocument::CreateAppUiL()
{
    CPerlAppUi* appui = new (ELeave) CPerlAppUi();
    return appui;
}


#ifndef PerlMin

CFileStore* CPerlAppDocument::OpenFileL(TBool /* aDoOpen */, const TDesC& aFileName, RFs& aFs)
{
    CPerlAppUi* appui =
      STATIC_CAST(CPerlAppUi*, CEikonEnv::Static()->EikAppUi());
    appui->SetFs(aFs);
    appui->OpenFileL(aFileName);
    return NULL;
}

#endif // #ifndef PerlMin

EXPORT_C CApaApplication* NewApplication() 
{
    return new CPerlAppApplication;
}

GLDEF_C TInt E32Dll(TDllReason /*aReason*/)
{
    return KErrNone;
}
Commit	Line	Data
27da23d5	1	/* Copyright (c) 2004-2005 Nokia. All rights reserved. */
27da23d5	2
0added8b	3	/* The PerlApp application is licensed under the same terms as Perl itself.
	4	* Note that this PerlApp is for Symbian/Series 60 smartphones and has nothing
	5	* whatsoever to do with the ActiveState PerlApp. */
	6
27da23d5	7	#include "PerlApp.h"
	8
	9	#include <avkon.hrh>
	10	#include <aknnotewrappers.h>
	11	#include <apparc.h>
	12	#include <e32base.h>
	13	#include <e32cons.h>
	14	#include <eikenv.h>
	15	#include <bautils.h>
	16	#include <eikappui.h>
	17	#include <utf.h>
	18	#include <f32file.h>
	19
	20	#include <AknCommonDialogs.h>
	21
	22	#ifndef __SERIES60_1X__
	23	#include <CAknFileSelectionDialog.h>
	24	#endif
	25
	26	#include <coemain.h>
	27
0added8b	28	#ifndef PerlMin
0added8b	29
27da23d5	30	#include "PerlApp.hrh"
	31	#include "PerlApp.rsg"
	32
f26f4a2f	33	#endif //#ifndef PerlMin
0added8b	34
3c09d611	35	#include "EXTERN.h"
e0f47ab0	36	#include "perl.h"
27da23d5	37	#include "PerlBase.h"
27da23d5	38
0added8b	39	const TUid KPerlAppUid = {
	40	#ifdef PerlMinUid
	41	PerlMinUid
	42	#else
	43	0x102015F6
	44	#endif
	45	};
	46
	47	_LIT(KDefaultScript, "default.pl");
27da23d5	48
	49	// This is like the Symbian _LIT() but without the embedded L prefix,
	50	// which enables using #defined constants (which need to carry their
	51	// own L prefix).
	52	#ifndef _LIT_NO_L
0added8b	53	# define _LIT_NO_L(n, s) static const TLitC<sizeof(s)/2> n={sizeof(s)/2-1,s}
27da23d5	54	#endif // #ifndef _LIT_NO_L
27da23d5	55
0added8b	56	#ifdef PerlMinName
	57	_LIT_NO_L(KAppName, PerlMinName);
	58	#else
27da23d5	59	_LIT(KAppName, "PerlApp");
0added8b	60	#endif
	61
	62	#ifndef PerlMin
f26f4a2f	63
27da23d5	64	_LIT_NO_L(KFlavor, PERL_SYMBIANSDK_FLAVOR);
	65	_LIT(KAboutFormat,
	66	"Perl %d.%d.%d, Symbian port %d.%d.%d, built for %S SDK %d.%d");
	67	_LIT(KCopyrightFormat,
	68	"Copyright 1987-2005 Larry Wall and others, Symbian port Copyright Nokia 2004-2005");
	69	_LIT(KInboxPrefix, "\\System\\Mail\\");
	70	_LIT(KScriptPrefix, "\\Perl\\");
	71
	72	_LIT8(KModulePrefix, SITELIB); // SITELIB from Perl config.h
	73
	74	typedef TBuf<256> TMessageBuffer;
	75	typedef TBuf8<256> TPeekBuffer;
	76	typedef TBuf8<256> TFileName8;
	77
f26f4a2f	78	#endif // #ifndef PerlMin
f26f4a2f	79
27da23d5	80	// Usage: DEBUG_PRINTF((_L("%S"), &aStr))
	81	#if 1
	82	#define DEBUG_PRINTF(s) {TMessageBuffer message; message.Format s; YesNoDialogL(message);}
	83	#endif
	84
f26f4a2f	85	static void DoRunScriptL(TFileName aScriptName);
f26f4a2f	86
27da23d5	87	TUid CPerlAppApplication::AppDllUid() const
	88	{
	89	return KPerlAppUid;
	90	}
	91
	92	enum TPerlAppPanic
	93	{
	94	EPerlAppCommandUnknown = 1
	95	};
	96
	97	void Panic(TPerlAppPanic aReason)
	98	{
	99	User::Panic(KAppName, aReason);
	100	}
	101
	102	void CPerlAppUi::ConstructL()
	103	{
	104	BaseConstructL();
	105	iAppView = CPerlAppView::NewL(ClientRect());
	106	AddToStackL(iAppView);
	107	iFs = NULL;
	108	CEikonEnv::Static()->DisableExitChecks(ETrue); // Symbian FAQ-0577.
	109	}
	110
	111	CPerlAppUi::~CPerlAppUi()
	112	{
	113	if (iAppView) {
	114	iEikonEnv->RemoveFromStack(iAppView);
	115	delete iAppView;
	116	iAppView = NULL;
	117	}
	118	if (iFs) {
	119	delete iFs;
	120	iFs = NULL;
	121	}
	122	if (iDoorObserver) // Otherwise the embedding application waits forever.
	123	iDoorObserver->NotifyExit(MApaEmbeddedDocObserver::EEmpty);
	124	}
	125
0added8b	126	#ifndef PerlMin
0added8b	127
27da23d5	128	static TBool DlgOk(CAknNoteDialog* dlg)
	129	{
	130	return dlg && dlg->RunDlgLD() == EAknSoftkeyOk;
	131	}
	132
	133	static TBool OkCancelDialogL(TDesC& aMessage)
	134	{
	135	CAknNoteDialog* dlg =
	136	new (ELeave) CAknNoteDialog(CAknNoteDialog::EConfirmationTone);
	137	dlg->PrepareLC(R_OK_CANCEL_DIALOG);
	138	dlg->SetTextL(aMessage);
	139	return DlgOk(dlg);
	140	}
	141
	142	static TBool YesNoDialogL(TDesC& aMessage)
	143	{
	144	CAknNoteDialog* dlg =
	145	new (ELeave) CAknNoteDialog(CAknNoteDialog::EConfirmationTone);
	146	dlg->PrepareLC(R_YES_NO_DIALOG);
	147	dlg->SetTextL(aMessage);
	148	return DlgOk(dlg);
	149	}
	150
	151	static TInt InformationNoteL(TDesC& aMessage)
	152	{
	153	CAknInformationNote* note = new (ELeave) CAknInformationNote;
	154	return note->ExecuteLD(aMessage);
	155	}
	156
	157	static TInt ConfirmationNoteL(TDesC& aMessage)
	158	{
	159	CAknConfirmationNote* note = new (ELeave) CAknConfirmationNote;
	160	return note->ExecuteLD(aMessage);
	161	}
	162
	163	static TInt WarningNoteL(TDesC& aMessage)
	164	{
	165	CAknWarningNote* note = new (ELeave) CAknWarningNote;
	166	return note->ExecuteLD(aMessage);
	167	}
	168
	169	static TInt TextQueryDialogL(const TDesC& aPrompt, TDes& aData, const TInt aMaxLength)
	170	{
	171	CAknTextQueryDialog* dlg =
	172	new (ELeave) CAknTextQueryDialog(aData);
	173	dlg->SetPromptL(aPrompt);
	174	dlg->SetMaxLength(aMaxLength);
	175	return dlg->ExecuteLD(R_TEXT_QUERY_DIALOG);
	176	}
	177
	178	// The isXXX() come from the Perl headers.
	179	#define FILENAME_IS_ABSOLUTE(n) \
	180	(isALPHA(((n)[0])) && ((n)[1]) == ':' && ((n)[2]) == '\\')
	181
	182	static TBool IsInPerl(TFileName aFileName)
	183	{
	184	TInt offset = aFileName.FindF(KScriptPrefix);
	185	return ((offset == 0 && // \foo
	186	aFileName[0] == '\\')
	187	\|\|
	188	(offset == 2 && // x:\foo
	189	FILENAME_IS_ABSOLUTE(aFileName)));
	190	}
	191
192	static TBool IsInInbox(TFileName aFileName)
193	{
194	TInt offset = aFileName.FindF(KInboxPrefix);
195	return ((offset == 0 && // \foo
196	aFileName[0] == '\\')
197	\|\|
198	(offset == 2 && // x:\foo
199	FILENAME_IS_ABSOLUTE(aFileName)));
200	}
201
202	static TBool IsPerlModule(TParsePtrC aParsed)
203	{
204	return aParsed.Ext().CompareF(_L(".pm")) == 0;
205	}
206
207	static TBool IsPerlScript(TParsePtrC aParsed)
208	{
209	return aParsed.Ext().CompareF(_L(".pl")) == 0;
210	}
211
212	static void CopyFromInboxL(RFs aFs, const TFileName& aSrc, const TFileName& aDst)
213	{
214	TBool proceed = ETrue;
215	TMessageBuffer message;
216
217	message.Format(_L("%S is untrusted. Install only if you trust provider."), &aDst);
218	if (OkCancelDialogL(message)) {
219	message.Format(_L("Install as %S?"), &aDst);
220	if (OkCancelDialogL(message)) {
221	if (BaflUtils::FileExists(aFs, aDst)) {
222	message.Format(_L("Replace old %S?"), &aDst);
223	if (!OkCancelDialogL(message))
224	proceed = EFalse;
225	}
226	if (proceed) {
227	// Create directory?
228	TInt err = BaflUtils::CopyFile(aFs, aSrc, aDst);
229	if (err == KErrNone) {
230	message.Format(_L("Installed %S"), &aDst);
231	ConfirmationNoteL(message);
232	}
233	else {
234	message.Format(_L("Failure %d installing %S"), err, &aDst);
235	WarningNoteL(message);
236	}
237	}
238	}
239	}
240	}
241
242	static TBool FindPerlPackageName(TPeekBuffer aPeekBuffer, TInt aOff, TFileName& aFn)
243	{
244	aFn.SetMax();
245	TInt m = aFn.MaxLength();
246	TInt n = aPeekBuffer.Length();
247	TInt i = 0;
248	TInt j = aOff;
249
250	aFn.SetMax();
251	// The following is a little regular expression
252	// engine that matches Perl package names.
253	if (j < n && isSPACE(aPeekBuffer[j])) {
254	while (j < n && isSPACE(aPeekBuffer[j])) j++;
255	if (j < n && isALPHA(aPeekBuffer[j])) {
256	while (j < n && isALNUM(aPeekBuffer[j])) {
257	while (j < n &&
258	isALNUM(aPeekBuffer[j]) &&
259	i < m)
260	aFn[i++] = aPeekBuffer[j++];
261	if (j + 1 < n &&
262	aPeekBuffer[j ] == ':' &&
263	aPeekBuffer[j + 1] == ':' &&
264	i < m) {
265	aFn[i++] = '\\';
266	j += 2;
267	if (j < n &&
268	isALPHA(aPeekBuffer[j])) {
269	while (j < n &&
270	isALNUM(aPeekBuffer[j]) &&
271	i < m)
272	aFn[i++] = aPeekBuffer[j++];
273	}
274	}
275	}
276	while (j < n && isSPACE(aPeekBuffer[j])) j++;
277	if (j < n && aPeekBuffer[j] == ';' && i + 3 < m) {
278	aFn.SetLength(i);
279	aFn.Append(_L(".pm"));
280	return ETrue;
281	}
282	}
283	}
284	return EFalse;
285	}
286
287	static void GuessPerlModule(TFileName& aGuess, TPeekBuffer aPeekBuffer, TParse aDrive)
288	{
289	TInt offset = aPeekBuffer.Find(_L8("package"));
290	if (offset != KErrNotFound) {
291	const TInt KPackageLen = 7;
292	TFileName q;
293
294	if (!FindPerlPackageName(aPeekBuffer, offset + KPackageLen, q))
295	return;
296
297	TFileName8 p;
298	p.Copy(aDrive.Drive());
299	p.Append(KModulePrefix);
300
301	aGuess.SetMax();
302	if (p.Length() + 1 + q.Length() < aGuess.MaxLength()) {
303	TInt i = 0, j;
304
305	for (j = 0; j < p.Length(); j++)
306	aGuess[i++] = p[j];
307	aGuess[i++] = '\\';
308	for (j = 0; j < q.Length(); j++)
309	aGuess[i++] = q[j];
310	aGuess.SetLength(i);
311	}
312	else
313	aGuess.SetLength(0);
314	}
315	}
316
317	static TBool LooksLikePerlL(TPeekBuffer aPeekBuffer)
318	{
319	return aPeekBuffer.Left(2).Compare(_L8("#!")) == 0 &&
320	aPeekBuffer.Find(_L8("perl")) != KErrNotFound;
321	}
322
323	static TBool InstallStuffL(const TFileName &aSrc, TParse aDrive, TParse aFile, TPeekBuffer aPeekBuffer, RFs aFs)
324	{
325	TFileName aDst;
326	TPtrC drive = aDrive.Drive();
327	TPtrC namext = aFile.NameAndExt();
328
329	aDst.Format(_L("%S%S%S"), &drive, &KScriptPrefix, &namext);
330	if (!IsPerlScript(aDst) && !LooksLikePerlL(aPeekBuffer)) {
331	aDst.SetLength(0);
332	if (IsPerlModule(aDst))
333	GuessPerlModule(aDst, aPeekBuffer, aDrive);
334	}
335	if (aDst.Length() > 0) {
336	CopyFromInboxL(aFs, aSrc, aDst);
337	return ETrue;
338	}
339
340	return EFalse;
341	}
342
27da23d5	343	static TBool RunStuffL(const TFileName& aScriptName, TPeekBuffer aPeekBuffer)
	344	{
	345	TBool isModule = EFalse;
	346
	347	if (IsInPerl(aScriptName) &&
	348	(IsPerlScript(aScriptName) \|\|
	349	(isModule = IsPerlModule(aScriptName)) \|\|
	350	LooksLikePerlL(aPeekBuffer))) {
	351	TMessageBuffer message;
	352
	353	if (isModule)
	354	message.Format(_L("Really run module %S?"), &aScriptName);
	355	else
	356	message.Format(_L("Run %S?"), &aScriptName);
	357	if (YesNoDialogL(message))
	358	DoRunScriptL(aScriptName);
	359
	360	return ETrue;
	361	}
	362
	363	return EFalse;
	364	}
	365
	366	void CPerlAppUi::InstallOrRunL(const TFileName& aFileName)
	367	{
	368	TParse aFile;
	369	TParse aDrive;
	370	TMessageBuffer message;
	371
	372	aFile.Set(aFileName, NULL, NULL);
	373	if (FILENAME_IS_ABSOLUTE(aFileName)) {
	374	aDrive.Set(aFileName, NULL, NULL);
	375	} else {
	376	TFileName appName =
	377	CEikonEnv::Static()->EikAppUi()->Application()->AppFullName();
	378	aDrive.Set(appName, NULL, NULL);
	379	}
	380	if (!iFs)
	381	iFs = &CEikonEnv::Static()->FsSession();
	382	RFile f;
	383	TInt err = f.Open(*iFs, aFileName, EFileRead);
	384	if (err == KErrNone) {
	385	TPeekBuffer aPeekBuffer;
	386	err = f.Read(aPeekBuffer);
	387	f.Close(); // Release quickly.
	388	if (err == KErrNone) {
	389	if (!(IsInInbox(aFileName) ?
	390	InstallStuffL(aFileName, aDrive, aFile, aPeekBuffer, *iFs) :
	391	RunStuffL(aFileName, aPeekBuffer))) {
	392	message.Format(_L("Failed for file %S"), &aFileName);
	393	WarningNoteL(message);
	394	}
	395	} else {
	396	message.Format(_L("Error %d reading %S"), err, &aFileName);
	397	WarningNoteL(message);
	398	}
	399	} else {
	400	message.Format(_L("Error %d opening %S"), err, &aFileName);
	401	WarningNoteL(message);
	402	}
	403	if (iDoorObserver)
	404	delete CEikonEnv::Static()->EikAppUi();
	405	else
	406	Exit();
407	}
408
0added8b	409	#endif // #ifndef PerlMin
	410
	411	static void DoRunScriptL(TFileName aScriptName)
	412	{
	413	CPerlBase* perl = CPerlBase::NewInterpreterLC();
	414	TRAPD(error, perl->RunScriptL(aScriptName));
	415	#ifndef PerlMin
	416	if (error != KErrNone) {
	417	TMessageBuffer message;
	418	message.Format(_L("Error %d"), error);
	419	YesNoDialogL(message);
	420	}
f26f4a2f	421	#endif // #ifndef PerlMin
0added8b	422	CleanupStack::PopAndDestroy(perl);
	423	}
	424
f26f4a2f	425	#ifndef PerlMin
f26f4a2f	426
27da23d5	427	void CPerlAppUi::OpenFileL(const TDesC& aFileName)
	428	{
	429	InstallOrRunL(aFileName);
	430	return;
	431	}
	432
f26f4a2f	433	#endif // #ifndef PerlMin
f26f4a2f	434
27da23d5	435	TBool CPerlAppUi::ProcessCommandParametersL(TApaCommand aCommand, TFileName& /* aDocumentName /, const TDesC8& / aTail */)
27da23d5	436	{
0added8b	437	if (aCommand == EApaCommandRun) {
	438	TFileName appName = Application()->AppFullName();
	439	TParse p;
	440	p.Set(KDefaultScript, &appName, NULL);
d3279339	441	TEntry aEntry;
	442	RFs aFs;
	443	aFs.Connect();
	444	if (aFs.Entry(p.FullName(), aEntry) == KErrNone) {
	445	DoRunScriptL(p.FullName());
	446	Exit();
	447	}
0added8b	448	}
27da23d5	449	return aCommand == EApaCommandOpen ? ETrue : EFalse;
	450	}
	451
f26f4a2f	452	#ifndef PerlMin
f26f4a2f	453
27da23d5	454	void CPerlAppUi::SetFs(const RFs& aFs)
	455	{
	456	iFs = (RFs*) &aFs;
	457	}
	458
f26f4a2f	459	#endif // #ifndef PerlMin
f26f4a2f	460
27da23d5	461	void CPerlAppUi::HandleCommandL(TInt aCommand)
27da23d5	462	{
0added8b	463	#ifndef PerlMin
27da23d5	464	TMessageBuffer message;
0added8b	465	#endif // #ifndef PerlMin
27da23d5	466
	467	switch(aCommand)
	468	{
	469	case EEikCmdExit:
	470	case EAknSoftkeyExit:
	471	Exit();
	472	break;
0added8b	473	#ifndef PerlMin
27da23d5	474	case EPerlAppCommandAbout:
	475	{
	476	message.Format(KAboutFormat,
	477	PERL_REVISION,
	478	PERL_VERSION,
	479	PERL_SUBVERSION,
	480	PERL_SYMBIANPORT_MAJOR,
	481	PERL_SYMBIANPORT_MINOR,
	482	PERL_SYMBIANPORT_PATCH,
	483	&KFlavor,
	484	PERL_SYMBIANSDK_MAJOR,
	485	PERL_SYMBIANSDK_MINOR
	486	);
	487	InformationNoteL(message);
	488	}
	489	break;
	490	case EPerlAppCommandTime:
	491	{
	492	CPerlBase* perl = CPerlBase::NewInterpreterLC();
	493	const char *const argv[] =
	494	{ "perl", "-le",
	495	"print 'Running in ', $^O, \"\\n\", scalar localtime" };
	496	perl->ParseAndRun(sizeof(argv)/sizeof(char), (char *)argv, 0);
	497	CleanupStack::PopAndDestroy(perl);
	498	}
	499	break;
	500	case EPerlAppCommandRunFile:
	501	{
	502	InformationNoteL(message);
	503	TFileName aScriptUtf16;
	504	if (AknCommonDialogs::RunSelectDlgLD(aScriptUtf16,
	505	R_MEMORY_SELECTION_DIALOG))
	506	DoRunScriptL(aScriptUtf16);
	507	}
	508	break;
	509	case EPerlAppCommandOneLiner:
	510	{
	511	_LIT(prompt, "Oneliner:");
	512	if (TextQueryDialogL(prompt, iOneLiner, KPerlAppOneLinerSize)) {
	513	const TUint KPerlAppUtf8Multi = 3;
	514	TBuf8<KPerlAppUtf8Multi * KPerlAppOneLinerSize> utf8;
	515
	516	CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8, iOneLiner);
	517	CPerlBase* perl = CPerlBase::NewInterpreterLC();
	518	int argc = 3;
	519	char argv = (char) malloc(argc * sizeof(char *));
	520	User::LeaveIfNull(argv);
	521
	522	TCleanupItem argvCleanupItem = TCleanupItem(free, argv);
	523	CleanupStack::PushL(argvCleanupItem);
	524	argv[0] = (char *) "perl";
	525	argv[1] = (char *) "-le";
	526	argv[2] = (char *) utf8.PtrZ();
	527	perl->ParseAndRun(argc, argv);
	528	CleanupStack::PopAndDestroy(2, perl);
	529	}
	530	}
	531	break;
	532	case EPerlAppCommandCopyright:
	533	{
	534	message.Format(KCopyrightFormat);
	535	InformationNoteL(message);
	536	}
	537	break;
0added8b	538	#endif // #ifndef PerlMin
27da23d5	539	default:
	540	Panic(EPerlAppCommandUnknown);
	541	break;
	542	}
	543	}
	544
	545	CPerlAppView* CPerlAppView::NewL(const TRect& aRect)
	546	{
	547	CPerlAppView* self = CPerlAppView::NewLC(aRect);
	548	CleanupStack::Pop(self);
	549	return self;
	550	}
	551
	552	CPerlAppView* CPerlAppView::NewLC(const TRect& aRect)
	553	{
	554	CPerlAppView* self = new (ELeave) CPerlAppView;
	555	CleanupStack::PushL(self);
	556	self->ConstructL(aRect);
	557	return self;
	558	}
	559
	560	void CPerlAppView::ConstructL(const TRect& aRect)
	561	{
	562	CreateWindowL();
	563	SetRect(aRect);
	564	ActivateL();
	565	}
	566
	567	void CPerlAppView::Draw(const TRect& /aRect/) const
	568	{
	569	CWindowGc& gc = SystemGc();
	570	TRect rect = Rect();
	571	gc.Clear(rect);
	572	}
	573
	574	CApaDocument* CPerlAppApplication::CreateDocumentL()
	575	{
	576	CPerlAppDocument* document = new (ELeave) CPerlAppDocument(*this);
	577	return document;
	578	}
	579
	580	CEikAppUi* CPerlAppDocument::CreateAppUiL()
	581	{
	582	CPerlAppUi* appui = new (ELeave) CPerlAppUi();
	583	return appui;
	584	}
	585
f26f4a2f	586
	587	#ifndef PerlMin
	588
27da23d5	589	CFileStore* CPerlAppDocument::OpenFileL(TBool /* aDoOpen */, const TDesC& aFileName, RFs& aFs)
	590	{
	591	CPerlAppUi* appui =
	592	STATIC_CAST(CPerlAppUi*, CEikonEnv::Static()->EikAppUi());
	593	appui->SetFs(aFs);
	594	appui->OpenFileL(aFileName);
	595	return NULL;
	596	}
	597
f26f4a2f	598	#endif // #ifndef PerlMin
f26f4a2f	599
27da23d5	600	EXPORT_C CApaApplication* NewApplication()
	601	{
	602	return new CPerlAppApplication;
	603	}
	604
	605	GLDEF_C TInt E32Dll(TDllReason /aReason/)
	606	{
	607	return KErrNone;
	608	}
	609