Make Wstring optional for IceE

1 files changed, 91 insertions, 0 deletions

diff --git a/cppe/src/IceE/StringConverter.cpp b/cppe/src/IceE/StringConverter.cpp
new file mode 100755
index 00000000000..2ef75cea5b5
--- /dev/null
+++ b/cppe/src/IceE/StringConverter.cpp
@@ -0,0 +1,91 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice-E is licensed to you under the terms described in the
+// ICEE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <IceE/Config.h>
+
+#ifdef ICEE_HAS_WSTRING
+
+#include <IceE/StringConverter.h>
+#include <IceE/Unicode.h>
+#include <IceE/LocalException.h>
+
+using namespace IceUtil;
+using namespace std;
+
+namespace Ice
+{
+
+Byte* 
+UnicodeWstringConverter::toUTF8(const wchar_t* sourceStart, 
+				const wchar_t* sourceEnd,
+				UTF8Buffer& buffer) const
+{
+    //
+    // The "chunk size" is the maximum of the number of characters in the
+    // source and 6 (== max bytes necessary to encode one Unicode character).
+    //
+    size_t chunkSize = std::max<size_t>(static_cast<size_t>(sourceEnd - sourceStart), 6);
+
+    Byte* targetStart = buffer.getMoreBytes(chunkSize, 0);
+    Byte* targetEnd = targetStart + chunkSize;
+
+    ConversionResult result;
+
+    while((result =
+	  convertUTFWstringToUTF8(sourceStart, sourceEnd, 
+				  targetStart, targetEnd, lenientConversion))
+	  == targetExhausted)
+    {
+	targetStart = buffer.getMoreBytes(chunkSize, targetStart);
+	targetEnd = targetStart + chunkSize;
+    }
+	
+    switch(result)
+    {
+	case conversionOK:
+	    break;
+	case sourceExhausted:
+	    throw StringConversionException(__FILE__, __LINE__, "wide string source exhausted");
+	case sourceIllegal:
+	    throw StringConversionException(__FILE__, __LINE__, "wide string source illegal");
+	default:
+	{
+	    assert(0);
+	    throw StringConversionException(__FILE__, __LINE__);
+	}
+    }
+    return targetStart;
+}
+
+void 
+UnicodeWstringConverter::fromUTF8(const Byte* sourceStart, const Byte* sourceEnd,
+				  wstring& target) const
+{
+    ConversionResult result = 
+	convertUTF8ToUTFWstring(sourceStart, sourceEnd, target, lenientConversion);
+
+    switch(result)
+    {	 
+	case conversionOK:
+	    break;
+	case sourceExhausted:
+	    throw StringConversionException(__FILE__, __LINE__, "UTF-8 string source exhausted");
+	case sourceIllegal:
+	    throw StringConversionException(__FILE__, __LINE__, "UTF-8 string source illegal");
+	default:
+	{
+	    assert(0);
+	    throw StringConversionException(__FILE__, __LINE__);
+	}
+    }
+}
+
+}
+
+#endif