Create a branch for header work.

svn path=/branches/header-work/; revision=45691

lib/nls/normalize/normalize.cpp

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+/*
+ * Copyright (c) 2008, KJK::Hyperion
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  - Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ *  - Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ *  - Neither the name of the ReactOS Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <unicode/unorm.h>
+
+#define WIN32_LEAN_AND_MEAN
+#define STRICT
+
+#include <windows.h>
+#include <winnls.h>
+
+static
+UNormalizationMode
+NORMALIZE_ModeToICU
+(
+	NORM_FORM NormForm
+)
+{
+	switch(NormForm)
+	{
+	case NormalizationC: return UNORM_NFC;
+	case NormalizationD: return UNORM_NFD;
+	case NormalizationKC: return UNORM_NFKC;
+	case NormalizationKD: return UNORM_NFKD;
+	case NormalizationOther: break;
+	}
+
+	return UNORM_NONE;
+}
+
+static
+DWORD
+NLS_ErrorFromICU
+(
+	UErrorCode ErrorCode
+)
+{
+	// TODO
+	return ERROR_GEN_FAILURE;
+}
+
+int
+WINAPI
+NormalizeString
+(
+	NORM_FORM NormForm,
+	LPCWSTR lpSrcString,
+	int cwSrcLength,
+	LPWSTR lpDstString,
+	int cwDstLength
+)
+{
+	UErrorCode ErrorCode = U_ZERO_ERROR;
+
+	int retval = unorm_normalize
+	(
+		lpSrcString,
+		cwSrcLength,
+		NORMALIZE_ModeToICU(NormForm),
+		0,
+		lpDstString,
+		cwDstLength,
+		&ErrorCode
+	);
+
+	if(U_FAILURE(ErrorCode))
+		SetLastError(NLS_ErrorFromICU(ErrorCode));
+
+	if(cwDstLength == 0 || ErrorCode == U_BUFFER_OVERFLOW_ERROR)
+		retval += 1;
+
+	return retval;
+}
+
+BOOL
+WINAPI
+IsNormalizedString
+(
+	NORM_FORM NormForm,
+	LPCWSTR lpString,
+	int cwLength
+)
+{
+	UErrorCode ErrorCode = U_ZERO_ERROR;
+	BOOL retval = !!unorm_isNormalized(lpString, cwLength, NORMALIZE_ModeToICU(NormForm), &ErrorCode);
+
+	if(U_FAILURE(ErrorCode))
+		SetLastError(NLS_ErrorFromICU(ErrorCode));
+
+	return retval;
+}
+
+// EOF