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diff --git a/Source/JavaScriptCore/wtf/unicode/icu/UnicodeIcu.h b/Source/JavaScriptCore/wtf/unicode/icu/UnicodeIcu.h
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+/*
+ *  Copyright (C) 2006 George Staikos <staikos@kde.org>
+ *  Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
+ *  Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef WTF_UNICODE_ICU_H
+#define WTF_UNICODE_ICU_H
+
+#include <stdlib.h>
+#include <unicode/uchar.h>
+#include <unicode/ustring.h>
+#include <unicode/utf16.h>
+
+namespace WTF {
+namespace Unicode {
+
+enum Direction {
+    LeftToRight = U_LEFT_TO_RIGHT,
+    RightToLeft = U_RIGHT_TO_LEFT,
+    EuropeanNumber = U_EUROPEAN_NUMBER,
+    EuropeanNumberSeparator = U_EUROPEAN_NUMBER_SEPARATOR,
+    EuropeanNumberTerminator = U_EUROPEAN_NUMBER_TERMINATOR,
+    ArabicNumber = U_ARABIC_NUMBER,
+    CommonNumberSeparator = U_COMMON_NUMBER_SEPARATOR,
+    BlockSeparator = U_BLOCK_SEPARATOR,
+    SegmentSeparator = U_SEGMENT_SEPARATOR,
+    WhiteSpaceNeutral = U_WHITE_SPACE_NEUTRAL,
+    OtherNeutral = U_OTHER_NEUTRAL,
+    LeftToRightEmbedding = U_LEFT_TO_RIGHT_EMBEDDING,
+    LeftToRightOverride = U_LEFT_TO_RIGHT_OVERRIDE,
+    RightToLeftArabic = U_RIGHT_TO_LEFT_ARABIC,
+    RightToLeftEmbedding = U_RIGHT_TO_LEFT_EMBEDDING,
+    RightToLeftOverride = U_RIGHT_TO_LEFT_OVERRIDE,
+    PopDirectionalFormat = U_POP_DIRECTIONAL_FORMAT,
+    NonSpacingMark = U_DIR_NON_SPACING_MARK,
+    BoundaryNeutral = U_BOUNDARY_NEUTRAL
+};
+
+enum DecompositionType {
+    DecompositionNone = U_DT_NONE,
+    DecompositionCanonical = U_DT_CANONICAL,
+    DecompositionCompat = U_DT_COMPAT,
+    DecompositionCircle = U_DT_CIRCLE,
+    DecompositionFinal = U_DT_FINAL,
+    DecompositionFont = U_DT_FONT,
+    DecompositionFraction = U_DT_FRACTION,
+    DecompositionInitial = U_DT_INITIAL,
+    DecompositionIsolated = U_DT_ISOLATED,
+    DecompositionMedial = U_DT_MEDIAL,
+    DecompositionNarrow = U_DT_NARROW,
+    DecompositionNoBreak = U_DT_NOBREAK,
+    DecompositionSmall = U_DT_SMALL,
+    DecompositionSquare = U_DT_SQUARE,
+    DecompositionSub = U_DT_SUB,
+    DecompositionSuper = U_DT_SUPER,
+    DecompositionVertical = U_DT_VERTICAL,
+    DecompositionWide = U_DT_WIDE,
+};
+
+enum CharCategory {
+    NoCategory =  0,
+    Other_NotAssigned = U_MASK(U_GENERAL_OTHER_TYPES),
+    Letter_Uppercase = U_MASK(U_UPPERCASE_LETTER),
+    Letter_Lowercase = U_MASK(U_LOWERCASE_LETTER),
+    Letter_Titlecase = U_MASK(U_TITLECASE_LETTER),
+    Letter_Modifier = U_MASK(U_MODIFIER_LETTER),
+    Letter_Other = U_MASK(U_OTHER_LETTER),
+
+    Mark_NonSpacing = U_MASK(U_NON_SPACING_MARK),
+    Mark_Enclosing = U_MASK(U_ENCLOSING_MARK),
+    Mark_SpacingCombining = U_MASK(U_COMBINING_SPACING_MARK),
+
+    Number_DecimalDigit = U_MASK(U_DECIMAL_DIGIT_NUMBER),
+    Number_Letter = U_MASK(U_LETTER_NUMBER),
+    Number_Other = U_MASK(U_OTHER_NUMBER),
+
+    Separator_Space = U_MASK(U_SPACE_SEPARATOR),
+    Separator_Line = U_MASK(U_LINE_SEPARATOR),
+    Separator_Paragraph = U_MASK(U_PARAGRAPH_SEPARATOR),
+
+    Other_Control = U_MASK(U_CONTROL_CHAR),
+    Other_Format = U_MASK(U_FORMAT_CHAR),
+    Other_PrivateUse = U_MASK(U_PRIVATE_USE_CHAR),
+    Other_Surrogate = U_MASK(U_SURROGATE),
+
+    Punctuation_Dash = U_MASK(U_DASH_PUNCTUATION),
+    Punctuation_Open = U_MASK(U_START_PUNCTUATION),
+    Punctuation_Close = U_MASK(U_END_PUNCTUATION),
+    Punctuation_Connector = U_MASK(U_CONNECTOR_PUNCTUATION),
+    Punctuation_Other = U_MASK(U_OTHER_PUNCTUATION),
+
+    Symbol_Math = U_MASK(U_MATH_SYMBOL),
+    Symbol_Currency = U_MASK(U_CURRENCY_SYMBOL),
+    Symbol_Modifier = U_MASK(U_MODIFIER_SYMBOL),
+    Symbol_Other = U_MASK(U_OTHER_SYMBOL),
+
+    Punctuation_InitialQuote = U_MASK(U_INITIAL_PUNCTUATION),
+    Punctuation_FinalQuote = U_MASK(U_FINAL_PUNCTUATION)
+};
+
+inline UChar32 foldCase(UChar32 c)
+{
+    return u_foldCase(c, U_FOLD_CASE_DEFAULT);
+}
+
+inline int foldCase(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int realLength = u_strFoldCase(result, resultLength, src, srcLength, U_FOLD_CASE_DEFAULT, &status);
+    *error = !U_SUCCESS(status);
+    return realLength;
+}
+
+inline int toLower(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int realLength = u_strToLower(result, resultLength, src, srcLength, "", &status);
+    *error = !!U_FAILURE(status);
+    return realLength;
+}
+
+inline UChar32 toLower(UChar32 c)
+{
+    return u_tolower(c);
+}
+
+inline UChar32 toUpper(UChar32 c)
+{
+    return u_toupper(c);
+}
+
+inline int toUpper(UChar* result, int resultLength, const UChar* src, int srcLength, bool* error)
+{
+    UErrorCode status = U_ZERO_ERROR;
+    int realLength = u_strToUpper(result, resultLength, src, srcLength, "", &status);
+    *error = !!U_FAILURE(status);
+    return realLength;
+}
+
+inline UChar32 toTitleCase(UChar32 c)
+{
+    return u_totitle(c);
+}
+
+inline bool isArabicChar(UChar32 c)
+{
+      return ublock_getCode(c) == UBLOCK_ARABIC;
+}
+
+inline bool isAlphanumeric(UChar32 c)
+{
+    return u_isalnum(c);
+}
+
+inline bool isSeparatorSpace(UChar32 c)
+{
+    return u_charType(c) == U_SPACE_SEPARATOR;
+}
+
+inline bool isPrintableChar(UChar32 c)
+{
+    return !!u_isprint(c);
+}
+
+inline bool isPunct(UChar32 c)
+{
+    return !!u_ispunct(c);
+}
+
+inline bool hasLineBreakingPropertyComplexContext(UChar32 c)
+{
+    return u_getIntPropertyValue(c, UCHAR_LINE_BREAK) == U_LB_COMPLEX_CONTEXT;
+}
+
+inline bool hasLineBreakingPropertyComplexContextOrIdeographic(UChar32 c)
+{
+    int32_t prop = u_getIntPropertyValue(c, UCHAR_LINE_BREAK);
+    return prop == U_LB_COMPLEX_CONTEXT || prop == U_LB_IDEOGRAPHIC;
+}
+
+inline UChar32 mirroredChar(UChar32 c)
+{
+    return u_charMirror(c);
+}
+
+inline CharCategory category(UChar32 c)
+{
+    return static_cast<CharCategory>(U_GET_GC_MASK(c));
+}
+
+inline Direction direction(UChar32 c)
+{
+    return static_cast<Direction>(u_charDirection(c));
+}
+
+inline bool isLower(UChar32 c)
+{
+    return !!u_islower(c);
+}
+
+inline uint8_t combiningClass(UChar32 c)
+{
+    return u_getCombiningClass(c);
+}
+
+inline DecompositionType decompositionType(UChar32 c)
+{
+    return static_cast<DecompositionType>(u_getIntPropertyValue(c, UCHAR_DECOMPOSITION_TYPE));
+}
+
+inline int umemcasecmp(const UChar* a, const UChar* b, int len)
+{
+    return u_memcasecmp(a, b, len, U_FOLD_CASE_DEFAULT);
+}
+
+} }
+
+#endif // WTF_UNICODE_ICU_H