perl/symbian/PerlApp.cpp

547 lines
15 KiB
C++

/* 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 60/80/UIQ smartphones
* and it has nothing whatsoever to do with the ActiveState PerlApp. */
#include "PerlApp.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 <coemain.h>
#ifndef PerlAppMinimal
#include "PerlApp.hrh"
#endif //#ifndef PerlAppMinimal
#define PERL_GLOBAL_STRUCT
#define PERL_GLOBAL_STRUCT_PRIVATE
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "PerlBase.h"
#include "PerlUtil.h"
#define symbian_get_vars() Dll::Tls() // Not visible from perlXYZ.lib?
const TUid KPerlAppUid = {
#ifdef PerlAppMinimalUid
PerlAppMinimalUid
#else
0x102015F6
#endif
};
_LIT(KDefaultScript, "default.pl");
#ifdef PerlAppMinimalName
_LIT_NO_L(KAppName, PerlAppMinimalName);
#else
_LIT(KAppName, "PerlApp");
#endif
#ifndef PerlAppMinimal
_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 PerlAppMinimal
static void DoRunScriptL(TFileName aScriptName);
TUid CPerlAppApplication::AppDllUid() const
{
return KPerlAppUid;
}
enum TPerlAppPanic
{
EPerlAppCommandUnknown = 1
};
void Panic(TPerlAppPanic aReason)
{
User::Panic(KAppName, aReason);
}
#ifndef PerlAppMinimal
// 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 (CPerlUi::OkCancelDialogL(message)) {
message.Format(_L("Install as %S?"), &aDst);
if (CPerlUi::OkCancelDialogL(message)) {
if (BaflUtils::FileExists(aFs, aDst)) {
message.Format(_L("Replace old %S?"), &aDst);
if (!CPerlUi::OkCancelDialogL(message))
proceed = EFalse;
}
if (proceed) {
// Create directory?
TInt err = BaflUtils::CopyFile(aFs, aSrc, aDst);
if (err == KErrNone) {
message.Format(_L("Installed %S"), &aDst);
CPerlUi::InformationNoteL(message);
}
else {
message.Format(_L("Failure %d installing %S"), err, &aDst);
CPerlUi::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 (CPerlUi::YesNoDialogL(message))
DoRunScriptL(aScriptName);
return ETrue;
}
return EFalse;
}
void CPerlAppAppUi::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);
CPerlUi::WarningNoteL(message);
}
} else {
message.Format(_L("Error %d reading %S"), err, &aFileName);
CPerlUi::WarningNoteL(message);
}
} else {
message.Format(_L("Error %d opening %S"), err, &aFileName);
CPerlUi::WarningNoteL(message);
}
if (iDoorObserver)
delete CEikonEnv::Static()->EikAppUi();
else
Exit();
}
#endif /* #ifndef PerlAppMinimal */
CPerlAppAppUi::~CPerlAppAppUi()
{
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);
}
static void DoRunScriptL(TFileName aScriptName)
{
CPerlBase* perl = CPerlBase::NewInterpreterLC();
TRAPD(error, perl->RunScriptL(aScriptName));
#ifndef PerlAppMinimal
if (error != KErrNone) {
TMessageBuffer message;
message.Format(_L("Error %d"), error);
CPerlUi::YesNoDialogL(message);
}
#endif // #ifndef PerlAppMinimal
CleanupStack::PopAndDestroy(perl);
}
#ifndef PerlAppMinimal
void CPerlAppAppUi::OpenFileL(const TDesC& aFileName)
{
InstallOrRunL(aFileName);
return;
}
#endif // #ifndef PerlAppMinimal
TBool CPerlAppAppUi::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 PerlAppMinimal
void CPerlAppAppUi::SetFs(const RFs& aFs)
{
iFs = (RFs*) &aFs;
}
#endif // #ifndef PerlAppMinimal
void CPerlAppAppUi::DoHandleCommandL(TInt aCommand) {
#ifndef PerlAppMinimal
TMessageBuffer message;
#endif // #ifndef PerlAppMinimal
switch(aCommand)
{
#ifndef PerlAppMinimal
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
);
CPerlUi::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;
#ifndef __UIQ__
case EPerlAppCommandRunFile:
{
TFileName aScriptUtf16;
aScriptUtf16.Copy(_L("C:\\"));
if (CPerlUi::FileQueryDialogL(aScriptUtf16))
DoRunScriptL(aScriptUtf16);
}
break;
#endif
case EPerlAppCommandOneLiner:
{
#ifdef __SERIES60__
_LIT(prompt, "Oneliner:");
#endif /* #ifdef __SERIES60__ */
#if defined(__SERIES80__) || defined(__SERIES90__) || defined(__UIQ__)
_LIT(prompt, "Code:"); // The title has "Oneliner" already.
#endif /* #if defined(__SERIES80__) || defined(__SERIES90__) || defined(__UIQ__) */
CPerlAppAppUi* cAppUi =
static_cast<CPerlAppAppUi*>(CEikonEnv::Static()->EikAppUi());
if (CPerlUi::TextQueryDialogL(_L("Oneliner"),
prompt,
cAppUi->iOneLiner,
KPerlUiOneLinerSize)) {
const TUint KPerlUiUtf8Multi = 3; // Expansion multiplier.
TBuf8<KPerlUiUtf8Multi * KPerlUiOneLinerSize> utf8;
CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8,
cAppUi->iOneLiner);
CPerlBase* perl = CPerlBase::NewInterpreterLC();
#ifdef __SERIES90__
int argc = 5;
#else
int argc = 3;
#endif
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";
#ifdef __SERIES90__
argv[2] = (char *) "unshift @INC, 'C:/Mydocs';";
argv[3] = (char *) "-e";
argv[4] = (char *) utf8.PtrZ();
#else
argv[2] = (char *) utf8.PtrZ();
#endif
perl->ParseAndRun(argc, argv);
CleanupStack::PopAndDestroy(2, perl);
}
}
break;
case EPerlAppCommandCopyright:
{
message.Format(KCopyrightFormat);
CPerlUi::InformationNoteL(message);
}
break;
case EPerlAppCommandAboutCopyright:
{
TMessageBuffer m1;
TMessageBuffer m2;
m1.Format(KAboutFormat,
PERL_REVISION,
PERL_VERSION,
PERL_SUBVERSION,
PERL_SYMBIANPORT_MAJOR,
PERL_SYMBIANPORT_MINOR,
PERL_SYMBIANPORT_PATCH,
&KFlavor,
PERL_SYMBIANSDK_MAJOR,
PERL_SYMBIANSDK_MINOR
);
CPerlUi::InformationNoteL(m1);
User::After((TTimeIntervalMicroSeconds32) (1000*1000)); // 1 sec.
m2.Format(KCopyrightFormat);
CPerlUi::InformationNoteL(m2);
}
break;
#endif // #ifndef PerlAppMinimal
default:
Panic(EPerlAppCommandUnknown);
}
}
CApaDocument* CPerlAppApplication::CreateDocumentL()
{
CPerlAppDocument* cDoc = new (ELeave) CPerlAppDocument(*this);
return cDoc;
}
CEikAppUi* CPerlAppDocument::CreateAppUiL()
{
CPerlAppAppUi* cAppUi = new (ELeave) CPerlAppAppUi();
return cAppUi;
}
#ifndef PerlAppMinimal
CFileStore* CPerlAppDocument::OpenFileL(TBool aDoOpen, const TDesC& aFileName, RFs& aFs)
{
CPerlAppAppUi* cAppUi =
static_cast<CPerlAppAppUi*>(CEikonEnv::Static()->EikAppUi());
cAppUi->SetFs(aFs);
if (aDoOpen)
cAppUi->OpenFileL(aFileName);
return NULL;
}
#endif // #ifndef PerlAppMinimal
EXPORT_C CApaApplication* NewApplication()
{
return new CPerlAppApplication;
}
GLDEF_C TInt E32Dll(TDllReason /*aReason*/)
{
return KErrNone;
}