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| author | Bernard Normier <bernard@zeroc.com> | 2006-01-09 21:32:52 +0000 |
|---|---|---|
| committer | Bernard Normier <bernard@zeroc.com> | 2006-01-09 21:32:52 +0000 |
| commit | 7ce53a467f83a526d33b39280943814f452a97a8 (patch) | |
| tree | 178c8ed5427e4798c54933258e37d7897b04cd57 /cpp/src/Ice/StringConverter.cpp | |
| parent | file BerkeleyDBRuntime.ism was initially added on branch R3_0_branch. (diff) | |
| download | ice-7ce53a467f83a526d33b39280943814f452a97a8.tar.bz2 ice-7ce53a467f83a526d33b39280943814f452a97a8.tar.xz ice-7ce53a467f83a526d33b39280943814f452a97a8.zip | |
Reimplement Unicode.h ; new StringConverter class
Diffstat (limited to 'cpp/src/Ice/StringConverter.cpp')
| -rwxr-xr-x | cpp/src/Ice/StringConverter.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/cpp/src/Ice/StringConverter.cpp b/cpp/src/Ice/StringConverter.cpp new file mode 100755 index 00000000000..bf7ed7e4839 --- /dev/null +++ b/cpp/src/Ice/StringConverter.cpp @@ -0,0 +1,127 @@ +// **********************************************************************
+//
+// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <Ice/StringConverter.h>
+#include <IceUtil/Unicode.h>
+#include <Ice/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,
+ const wchar_t*& targetStart, const wchar_t*& targetEnd)
+{
+ size_t size = static_cast<size_t>(sourceEnd - sourceStart);
+
+ wchar_t* outBuf = new wchar_t[size];
+ wchar_t* tStart = outBuf;
+
+ ConversionResult result = convertUTF8ToUTFWstring(
+ sourceStart, sourceEnd, tStart, outBuf + size,
+ lenientConversion);
+
+ switch(result)
+ {
+ case conversionOK:
+ {
+ targetStart = outBuf;
+ targetEnd = tStart;
+ 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__);
+ }
+ }
+}
+
+void
+UnicodeWstringConverter::freeTarget(const wchar_t* targetStart) const
+{
+#if defined(_MSC_VER) && _MSC_VER < 1300
+ delete[] const_cast<wchar_t*>(targetStart);
+#else
+ delete[] targetStart;
+#endif
+}
+
+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__);
+ }
+ }
+}
+}
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