javaextensions/satsa/pki/src.s60/tstscharactersetconverter.cpp
branchRCL_3
changeset 14 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/satsa/pki/src.s60/tstscharactersetconverter.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    "tstscharactersetconverter.h"
+#include    "stspkiconstants.h"
+
+
+
+
+
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// TSTSCharacterSetConverter::TSTSCharacterSetConverter
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+TSTSCharacterSetConverter::TSTSCharacterSetConverter()
+{
+}
+
+
+// -----------------------------------------------------------------------------
+// TSTSCharacterSetConverter::EscapedUnicodeToPrintableL
+// Converts string from escaped unicode to printable string
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+HBufC8* TSTSCharacterSetConverter::EscapedUnicodeToPrintableLC(
+    const TDesC& aValue) const
+{
+    TInt valueLength = aValue.Length();
+    // returned value can never be longer than the original (it can be shorter)
+    HBufC8* value = HBufC8::NewL(valueLength);
+    CleanupStack::PushL(value);
+    TPtr8 valueDes = value->Des();
+
+    TLex lexer(aValue);
+
+    while (!lexer.Eos())
+    {
+        TChar currentChar = lexer.Get();
+        if (currentChar == '\\')
+        {
+            // we are escaping
+            if (lexer.Eos())
+            {
+                User::Leave(KSTSErrInvalidCAName);
+            }
+            lexer.Mark();
+            currentChar = lexer.Get();
+            if (!IsSpecial(currentChar))
+            {
+                if (lexer.Eos())
+                {
+                    User::Leave(KSTSErrInvalidCAName);
+                }
+                lexer.Get();
+                TLex hexPair(lexer.MarkedToken());
+                TUint hexChar;
+                User::LeaveIfError(hexPair.Val(hexChar, EHex));
+                currentChar = hexChar;
+            }
+        }
+        if (IsPrintable(currentChar))
+        {
+            valueDes.Append(currentChar);
+        }
+        else
+        {
+            User::Leave(KSTSErrInvalidCharactersInCAName);
+        }
+    }
+
+    return value;
+}
+
+// -----------------------------------------------------------------------------
+// TSTSCharacterSetConverter::IsSpecial
+// checks if the given character is "special"
+// -----------------------------------------------------------------------------
+//
+TBool TSTSCharacterSetConverter::IsSpecial(
+    const TChar& aValue) const
+{
+    switch (aValue)
+    {
+    case(','):
+    case('+'):
+    case('\"'):
+    case('\\'):
+    case('<'):
+    case('>'):
+    case(';'):
+    {
+        return ETrue;
+    }
+    default:
+    {
+        return EFalse;
+    }
+    }
+}
+
+// -----------------------------------------------------------------------------
+// TSTSCharacterSetConverter::IsPrintable
+// checks if the given character is allowed in PrintableString
+// -----------------------------------------------------------------------------
+//
+TBool TSTSCharacterSetConverter::IsPrintable(
+    const TChar& aValue) const
+{
+    if (aValue > 128)  // non-ascii characters are not allowed
+    {
+        return EFalse;
+    }
+    if (aValue.IsAlphaDigit())  // A-Z,a-z,0-9 are allowed
+    {
+        return ETrue;
+    }
+    switch (aValue)  // some other characters are also allowed
+    {
+    case(' '):
+    case('\''):
+    case('('):
+    case(')'):
+    case('+'):
+    case(','):
+    case('-'):
+    case('.'):
+    case('/'):
+    case(':'):
+    case('='):
+    case('?'):
+    {
+        return ETrue;
+    }
+    default:
+    {
+        return EFalse;
+    }
+    }
+}
+
+
+
+
+//  End of File