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add Exists; improve unique name generation

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This commit is contained in:
ehouse 2005-01-19 15:12:34 +00:00
parent 352231b854
commit 997e030885
1 changed files with 46 additions and 17 deletions
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57
xwords4/symbian/src/symgmmgr.cpp
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@ -76,8 +76,8 @@ CXWGamesMgr::BuildListL()
if ( err == KErrNone ) {
CleanupStack::PushL( file_list );
iGameCount = file_list->Count();
iNamesList = new (ELeave)CDesC16ArrayFlat( iGameCount );
TInt gameCount = file_list->Count();
iNamesList = new (ELeave)CDesC16ArrayFlat( gameCount );
TInt i;
for ( i = 0; i < file_list->Count(); i++ ) {
@ -105,12 +105,41 @@ CXWGamesMgr::GetNames() const
return iNamesList;
} // GetNames
TBool
CXWGamesMgr::Exists( TGameName* aName )
{
RFs fs = iCoeEnv->FsSession();
TFileName nameD;
GameNameToPath( &nameD, aName );
TUint attValue;
TInt err = fs.Att( nameD, attValue );
XP_LOGF( "fs.Att(%S) => %d", aName, err );
return err == KErrNone;
}
void
CXWGamesMgr::GameNameToPath( TFileName* aPath, const TDesC16* aName )
{
aPath->Copy( iDir );
aPath->Append( *aName );
aPath->Append( kGameTypeExt );
}
void
CXWGamesMgr::MakeDefaultName( TGameName* aName )
{
/* return a unique new name */
for ( ; ; ) {
aName->Delete( 0, 256 );
aName->Append( _L("game") );
aName->AppendNum( ++iGameCount );
if ( !Exists( aName ) ) {
break;
}
}
} // MakeDefaultName
void
@ -120,9 +149,8 @@ CXWGamesMgr::StoreGameL( const TGameName* aName, /* does not have extension */
RFs fs = iCoeEnv->FsSession();
// write the stream to a file
TFileName nameD( iDir );
nameD.Append( *aName );
nameD.Append( kGameTypeExt );
TFileName nameD;
GameNameToPath( &nameD, aName );
RFile file;
TInt err = file.Replace( fs, nameD, EFileWrite );
XP_ASSERT( err == KErrNone );
@ -147,12 +175,15 @@ CXWGamesMgr::LoadGameL( const TGameName* aName, XWStreamCtxt* aStream )
{
RFs fs = iCoeEnv->FsSession();
TFileName nameD( iDir );
nameD.Append( *aName );
nameD.Append( kGameTypeExt );
TFileName nameD;
GameNameToPath( &nameD, aName );
RFile file;
User::LeaveIfError( file.Open( fs, nameD, EFileRead ) );
TInt err = file.Open( fs, nameD, EFileRead );
if ( err != KErrNone ) {
XP_LOGF( "file.Open() => %d", err );
}
User::LeaveIfError( err );
CleanupClosePushL(file);
for ( ; ; ) {
@ -162,7 +193,7 @@ CXWGamesMgr::LoadGameL( const TGameName* aName, XWStreamCtxt* aStream )
if ( nRead <= 0 ) {
break;
}
stream_putBytes( aStream, (void*)buf.Ptr(), nRead );
stream_putBytes( aStream, (void*)buf.Ptr(), SC(XP_U16, nRead) );
}
CleanupStack::PopAndDestroy( &file );
@ -177,10 +208,8 @@ CXWGamesMgr::DeleteSelected( TInt aIndex )
TBool
CXWGamesMgr::DeleteFileFor( TPtrC16* aName )
{
TFileName nameD( iDir );
nameD.Append( *aName );
nameD.Append( kGameTypeExt );
TFileName nameD;
GameNameToPath( &nameD, aName );
RFs fs = iCoeEnv->FsSession();
TInt err = fs.Delete( nameD );