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[apple/javascriptcore.git] / wtf / unicode / wince / UnicodeWince.h
diff --git a/wtf/unicode/wince/UnicodeWince.h b/wtf/unicode/wince/UnicodeWince.h
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+/*
+ *  Copyright (C) 2006 George Staikos <staikos@kde.org>
+ *  Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
+ *  Copyright (C) 2007 Apple Computer, Inc. All rights reserved.
+ *  Copyright (C) 2007-2009 Torch Mobile, Inc.
+ *
+ *  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 UNICODE_WINCE_H
+#define UNICODE_WINCE_H
+
+#include "ce_unicode.h"
+
+#define TO_MASK(x) (1 << (x))
+
+// some defines from ICU needed one or two places
+
+#define U16_IS_LEAD(c) (((c) & 0xfffffc00) == 0xd800)
+#define U16_IS_TRAIL(c) (((c) & 0xfffffc00) == 0xdc00)
+#define U16_SURROGATE_OFFSET ((0xd800 << 10UL) + 0xdc00 - 0x10000)
+#define U16_GET_SUPPLEMENTARY(lead, trail) \
+    (((UChar32)(lead) << 10UL) + (UChar32)(trail) - U16_SURROGATE_OFFSET)
+
+#define U16_LEAD(supplementary) (UChar)(((supplementary) >> 10) + 0xd7c0)
+#define U16_TRAIL(supplementary) (UChar)(((supplementary) & 0x3ff) | 0xdc00)
+
+#define U_IS_SURROGATE(c) (((c) & 0xfffff800) == 0xd800)
+#define U16_IS_SURROGATE(c) U_IS_SURROGATE(c)
+#define U16_IS_SURROGATE_LEAD(c) (((c) & 0x400) == 0)
+
+#define U16_NEXT(s, i, length, c) { \
+    (c)=(s)[(i)++]; \
+    if (U16_IS_LEAD(c)) { \
+        uint16_t __c2; \
+        if ((i) < (length) && U16_IS_TRAIL(__c2 = (s)[(i)])) { \
+            ++(i); \
+            (c) = U16_GET_SUPPLEMENTARY((c), __c2); \
+        } \
+    } \
+}
+
+#define U16_PREV(s, start, i, c) { \
+    (c)=(s)[--(i)]; \
+    if (U16_IS_TRAIL(c)) { \
+        uint16_t __c2; \
+        if ((i) > (start) && U16_IS_LEAD(__c2 = (s)[(i) - 1])) { \
+            --(i); \
+            (c) = U16_GET_SUPPLEMENTARY(__c2, (c)); \
+        } \
+    } \
+}
+
+#define U16_IS_SINGLE(c) !U_IS_SURROGATE(c)
+
+namespace WTF {
+
+    namespace Unicode {
+
+        enum Direction {
+            LeftToRight = UnicodeCE::U_LEFT_TO_RIGHT,
+            RightToLeft = UnicodeCE::U_RIGHT_TO_LEFT,
+            EuropeanNumber = UnicodeCE::U_EUROPEAN_NUMBER,
+            EuropeanNumberSeparator = UnicodeCE::U_EUROPEAN_NUMBER_SEPARATOR,
+            EuropeanNumberTerminator = UnicodeCE::U_EUROPEAN_NUMBER_TERMINATOR,
+            ArabicNumber = UnicodeCE::U_ARABIC_NUMBER,
+            CommonNumberSeparator = UnicodeCE::U_COMMON_NUMBER_SEPARATOR,
+            BlockSeparator = UnicodeCE::U_BLOCK_SEPARATOR,
+            SegmentSeparator = UnicodeCE::U_SEGMENT_SEPARATOR,
+            WhiteSpaceNeutral = UnicodeCE::U_WHITE_SPACE_NEUTRAL,
+            OtherNeutral = UnicodeCE::U_OTHER_NEUTRAL,
+            LeftToRightEmbedding = UnicodeCE::U_LEFT_TO_RIGHT_EMBEDDING,
+            LeftToRightOverride = UnicodeCE::U_LEFT_TO_RIGHT_OVERRIDE,
+            RightToLeftArabic = UnicodeCE::U_RIGHT_TO_LEFT_ARABIC,
+            RightToLeftEmbedding = UnicodeCE::U_RIGHT_TO_LEFT_EMBEDDING,
+            RightToLeftOverride = UnicodeCE::U_RIGHT_TO_LEFT_OVERRIDE,
+            PopDirectionalFormat = UnicodeCE::U_POP_DIRECTIONAL_FORMAT,
+            NonSpacingMark = UnicodeCE::U_DIR_NON_SPACING_MARK,
+            BoundaryNeutral = UnicodeCE::U_BOUNDARY_NEUTRAL
+        };
+
+        enum DecompositionType {
+          DecompositionNone = UnicodeCE::U_DT_NONE,
+          DecompositionCanonical = UnicodeCE::U_DT_CANONICAL,
+          DecompositionCompat = UnicodeCE::U_DT_COMPAT,
+          DecompositionCircle = UnicodeCE::U_DT_CIRCLE,
+          DecompositionFinal = UnicodeCE::U_DT_FINAL,
+          DecompositionFont = UnicodeCE::U_DT_FONT,
+          DecompositionFraction = UnicodeCE::U_DT_FRACTION,
+          DecompositionInitial = UnicodeCE::U_DT_INITIAL,
+          DecompositionIsolated = UnicodeCE::U_DT_ISOLATED,
+          DecompositionMedial = UnicodeCE::U_DT_MEDIAL,
+          DecompositionNarrow = UnicodeCE::U_DT_NARROW,
+          DecompositionNoBreak = UnicodeCE::U_DT_NOBREAK,
+          DecompositionSmall = UnicodeCE::U_DT_SMALL,
+          DecompositionSquare = UnicodeCE::U_DT_SQUARE,
+          DecompositionSub = UnicodeCE::U_DT_SUB,
+          DecompositionSuper = UnicodeCE::U_DT_SUPER,
+          DecompositionVertical = UnicodeCE::U_DT_VERTICAL,
+          DecompositionWide = UnicodeCE::U_DT_WIDE,
+        };
+
+        enum CharCategory {
+          NoCategory =  0,
+          Other_NotAssigned = TO_MASK(UnicodeCE::U_GENERAL_OTHER_TYPES),
+          Letter_Uppercase = TO_MASK(UnicodeCE::U_UPPERCASE_LETTER),
+          Letter_Lowercase = TO_MASK(UnicodeCE::U_LOWERCASE_LETTER),
+          Letter_Titlecase = TO_MASK(UnicodeCE::U_TITLECASE_LETTER),
+          Letter_Modifier = TO_MASK(UnicodeCE::U_MODIFIER_LETTER),
+          Letter_Other = TO_MASK(UnicodeCE::U_OTHER_LETTER),
+
+          Mark_NonSpacing = TO_MASK(UnicodeCE::U_NON_SPACING_MARK),
+          Mark_Enclosing = TO_MASK(UnicodeCE::U_ENCLOSING_MARK),
+          Mark_SpacingCombining = TO_MASK(UnicodeCE::U_COMBINING_SPACING_MARK),
+
+          Number_DecimalDigit = TO_MASK(UnicodeCE::U_DECIMAL_DIGIT_NUMBER),
+          Number_Letter = TO_MASK(UnicodeCE::U_LETTER_NUMBER),
+          Number_Other = TO_MASK(UnicodeCE::U_OTHER_NUMBER),
+
+          Separator_Space = TO_MASK(UnicodeCE::U_SPACE_SEPARATOR),
+          Separator_Line = TO_MASK(UnicodeCE::U_LINE_SEPARATOR),
+          Separator_Paragraph = TO_MASK(UnicodeCE::U_PARAGRAPH_SEPARATOR),
+
+          Other_Control = TO_MASK(UnicodeCE::U_CONTROL_CHAR),
+          Other_Format = TO_MASK(UnicodeCE::U_FORMAT_CHAR),
+          Other_PrivateUse = TO_MASK(UnicodeCE::U_PRIVATE_USE_CHAR),
+          Other_Surrogate = TO_MASK(UnicodeCE::U_SURROGATE),
+
+          Punctuation_Dash = TO_MASK(UnicodeCE::U_DASH_PUNCTUATION),
+          Punctuation_Open = TO_MASK(UnicodeCE::U_START_PUNCTUATION),
+          Punctuation_Close = TO_MASK(UnicodeCE::U_END_PUNCTUATION),
+          Punctuation_Connector = TO_MASK(UnicodeCE::U_CONNECTOR_PUNCTUATION),
+          Punctuation_Other = TO_MASK(UnicodeCE::U_OTHER_PUNCTUATION),
+
+          Symbol_Math = TO_MASK(UnicodeCE::U_MATH_SYMBOL),
+          Symbol_Currency = TO_MASK(UnicodeCE::U_CURRENCY_SYMBOL),
+          Symbol_Modifier = TO_MASK(UnicodeCE::U_MODIFIER_SYMBOL),
+          Symbol_Other = TO_MASK(UnicodeCE::U_OTHER_SYMBOL),
+
+          Punctuation_InitialQuote = TO_MASK(UnicodeCE::U_INITIAL_PUNCTUATION),
+          Punctuation_FinalQuote = TO_MASK(UnicodeCE::U_FINAL_PUNCTUATION)
+        };
+
+        CharCategory category(unsigned int);
+
+        bool isSpace(wchar_t);
+        bool isLetter(wchar_t);
+        bool isPrintableChar(wchar_t);
+        bool isUpper(wchar_t);
+        bool isLower(wchar_t);
+        bool isPunct(wchar_t);
+        bool isDigit(wchar_t);
+        inline bool isSeparatorSpace(wchar_t c) { return category(c) == Separator_Space; }
+        inline bool isHighSurrogate(wchar_t c) { return (c & 0xfc00) == 0xd800; }
+        inline bool isLowSurrogate(wchar_t c) { return (c & 0xfc00) == 0xdc00; }
+
+        wchar_t toLower(wchar_t);
+        wchar_t toUpper(wchar_t);
+        wchar_t foldCase(wchar_t);
+        wchar_t toTitleCase(wchar_t);
+        int toLower(wchar_t* result, int resultLength, const wchar_t* source, int sourceLength, bool* isError);
+        int toUpper(wchar_t* result, int resultLength, const wchar_t* source, int sourceLength, bool* isError);
+        int foldCase(UChar* result, int resultLength, const wchar_t* source, int sourceLength, bool* isError);
+
+        int digitValue(wchar_t);
+
+        wchar_t mirroredChar(UChar32);
+        unsigned char combiningClass(UChar32);
+        DecompositionType decompositionType(UChar32);
+        Direction direction(UChar32);
+        inline bool isArabicChar(UChar32)
+        {
+            return false; // FIXME: implement!
+        }
+
+        inline bool hasLineBreakingPropertyComplexContext(UChar32)
+        {
+            return false; // FIXME: implement!
+        }
+
+        inline int umemcasecmp(const wchar_t* a, const wchar_t* b, int len)
+        {
+            for (int i = 0; i < len; ++i) {
+                wchar_t c1 = foldCase(a[i]);
+                wchar_t c2 = foldCase(b[i]);
+                if (c1 != c2)
+                    return c1 - c2;
+            }
+            return 0;
+        }
+
+        inline UChar32 surrogateToUcs4(wchar_t high, wchar_t low)
+        {
+            return (UChar32(high) << 10) + low - 0x35fdc00;
+        }
+
+    }   // namespace Unicode
+
+}   // namespace WTF
+
+#endif
+// vim: ts=2 sw=2 et