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-rwxr-xr-xcppe/src/IceE/StringConverter.cpp91
1 files changed, 91 insertions, 0 deletions
diff --git a/cppe/src/IceE/StringConverter.cpp b/cppe/src/IceE/StringConverter.cpp
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+++ b/cppe/src/IceE/StringConverter.cpp
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+// **********************************************************************
+//
+// 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