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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