commands/uidinfo/uidinfo.cpp
changeset 0 7f656887cf89
child 69 849a0b46c767
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commands/uidinfo/uidinfo.cpp	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,126 @@
+// uidinfo.cpp
+// 
+// Copyright (c) 2009 - 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "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:
+// Accenture - Initial contribution
+//
+
+#include <fshell/ioutils.h>
+#include <apgcli.h>
+#include <fshell/ltkutils.h>
+#include <fshell/qr3dll.h>
+
+using namespace IoUtils;
+
+class CCmdUidInfo : public CCommandBase
+	{
+public:
+	static CCommandBase* NewLC();
+	~CCmdUidInfo();
+private:
+	CCmdUidInfo();
+	TInt PrintUid(TUint aUid);
+private: // From CCommandBase.
+	virtual const TDesC& Name() const;
+	virtual void DoRunL();
+	virtual void ArgumentsL(RCommandArgumentList& aArguments);
+	virtual void OptionsL(RCommandOptionList& aOptions);
+private:
+	TUint iUid;
+	TBool iStdin;
+	RBuf iBuf;
+	};
+
+CCommandBase* CCmdUidInfo::NewLC()
+	{
+	CCmdUidInfo* self = new(ELeave) CCmdUidInfo();
+	CleanupStack::PushL(self);
+	self->BaseConstructL();
+	return self;
+	}
+
+CCmdUidInfo::~CCmdUidInfo()
+	{
+	iBuf.Close();
+	}
+
+CCmdUidInfo::CCmdUidInfo()
+	{
+	}
+
+const TDesC& CCmdUidInfo::Name() const
+	{
+	_LIT(KName, "uidinfo");	
+	return KName;
+	}
+
+void CCmdUidInfo::ArgumentsL(RCommandArgumentList& aArguments)
+	{
+	aArguments.AppendUintL(iUid, _L("uid"));
+	}
+
+void CCmdUidInfo::OptionsL(RCommandOptionList& aOptions)
+	{
+	aOptions.AppendBoolL(iStdin, _L("stdin"));
+	}
+
+
+EXE_BOILER_PLATE(CCmdUidInfo)
+
+void CCmdUidInfo::DoRunL()
+	{
+	if (iStdin)
+		{
+		Stdin().SetReadModeL(RIoReadHandle::ELine);
+		TBuf<512> lineBuf; // Note, the code below doesn't properly handle the situation where a given line of input in longer than this buffer.
+		while (ETrue)
+			{
+			TInt err = Stdin().Read(lineBuf);
+			if (err == KErrEof)
+				{
+				break;
+				}
+			else if (err)
+				{
+				User::Leave(err);
+				}
+			if (lineBuf.Length() < 2) continue;
+			// In this case we assume hex even without an 0x
+			if (lineBuf.Left(2).CompareF(_L("0x")) != 0) lineBuf.Insert(0, _L("0x"));
+			TLex lex(lineBuf);
+			TUint uid = 0;
+			TRAP(err, uid = LtkUtils::HexLexL(lex));
+			if (err)
+				{
+				PrintWarning(_L("Failed to find a uid on line '%S'"), &lineBuf);
+				continue;
+				}
+			err = PrintUid(uid);
+			if (err)
+				{
+				PrintWarning(_L("Couldn't find exe for uid 0x%08x, err = %d\r\n"), uid, err);
+				}
+			}
+		}
+	else if (!iArguments.IsPresent(&iUid))
+		{
+		LeaveIfErr(KErrArgument, _L("You must specify either a uid or the --stdin option."));
+		}
+	else
+		{
+		LeaveIfErr(PrintUid(iUid), _L("Couldn't find exe for uid 0x%08x"), iUid);
+		}
+	}
+
+TInt CCmdUidInfo::PrintUid(TUint aUid)
+	{
+	TInt err = ExeNameForSid(aUid, iBuf);
+	if (err) return err;
+	Printf(_L("0x%x %S\r\n"), aUid, &iBuf);
+	return KErrNone;
+	}