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-rw-r--r--src/corelib/tools/qchar.cpp311
-rw-r--r--src/corelib/tools/qchar.h112
2 files changed, 219 insertions, 204 deletions
diff --git a/src/corelib/tools/qchar.cpp b/src/corelib/tools/qchar.cpp
index 33b2c0bc82..138c3a69ee 100644
--- a/src/corelib/tools/qchar.cpp
+++ b/src/corelib/tools/qchar.cpp
@@ -477,20 +477,36 @@ QT_BEGIN_NAMESPACE
*/
/*!
+ \fn bool QChar::isPrint() const
+
Returns true if the character is a printable character; otherwise
returns false. This is any character not of category Other_*.
Note that this gives no indication of whether the character is
available in a particular font.
*/
-bool QChar::isPrint() const
+
+/*!
+ \overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a printable character; otherwise returns false.
+ This is any character not of category Other_*.
+
+ Note that this gives no indication of whether the character is
+ available in a particular font.
+*/
+bool QChar::isPrint(uint ucs4)
{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
const int test = FLAG(Other_Control) |
FLAG(Other_Format) |
FLAG(Other_Surrogate) |
FLAG(Other_PrivateUse) |
FLAG(Other_NotAssigned);
- return !(FLAG(qGetProp(ucs)->category) & test);
+ return !(FLAG(qGetProp(ucs4)->category) & test);
}
/*!
@@ -502,37 +518,72 @@ bool QChar::isPrint() const
*/
/*!
- \internal
+ \fn bool QChar::isSpace(uint ucs4)
\overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a separator character (Separator_* categories or certain code points
+ from Other_Control category); otherwise returns false.
+*/
+
+/*!
+ \internal
*/
-bool QChar::isSpace(ushort ucs2)
+bool QT_FASTCALL QChar::isSpace_helper(uint ucs4)
{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
const int test = FLAG(Separator_Space) |
FLAG(Separator_Line) |
FLAG(Separator_Paragraph);
- return FLAG(qGetProp(ucs2)->category) & test;
+ return FLAG(qGetProp(ucs4)->category) & test;
}
/*!
+ \fn bool QChar::isMark() const
+
Returns true if the character is a mark (Mark_* categories);
otherwise returns false.
See QChar::Category for more information regarding marks.
*/
-bool QChar::isMark() const
+
+/*!
+ \overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a mark (Mark_* categories); otherwise returns false.
+*/
+bool QChar::isMark(uint ucs4)
{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
const int test = FLAG(Mark_NonSpacing) |
FLAG(Mark_SpacingCombining) |
FLAG(Mark_Enclosing);
- return FLAG(qGetProp(ucs)->category) & test;
+ return FLAG(qGetProp(ucs4)->category) & test;
}
/*!
+ \fn bool QChar::isPunct() const
+
Returns true if the character is a punctuation mark (Punctuation_*
categories); otherwise returns false.
*/
-bool QChar::isPunct() const
+
+/*!
+ \overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a punctuation mark (Punctuation_* categories); otherwise returns false.
+*/
+bool QChar::isPunct(uint ucs4)
{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
const int test = FLAG(Punctuation_Connector) |
FLAG(Punctuation_Dash) |
FLAG(Punctuation_Open) |
@@ -540,7 +591,32 @@ bool QChar::isPunct() const
FLAG(Punctuation_InitialQuote) |
FLAG(Punctuation_FinalQuote) |
FLAG(Punctuation_Other);
- return FLAG(qGetProp(ucs)->category) & test;
+ return FLAG(qGetProp(ucs4)->category) & test;
+}
+
+/*!
+ \fn bool QChar::isSymbol() const
+
+ Returns true if the character is a symbol (Symbol_* categories);
+ otherwise returns false.
+*/
+
+/*!
+ \overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a symbol (Symbol_* categories); otherwise returns false.
+*/
+bool QChar::isSymbol(uint ucs4)
+{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
+ const int test = FLAG(Symbol_Math) |
+ FLAG(Symbol_Currency) |
+ FLAG(Symbol_Modifier) |
+ FLAG(Symbol_Other);
+ return FLAG(qGetProp(ucs4)->category) & test;
}
/*!
@@ -551,17 +627,27 @@ bool QChar::isPunct() const
*/
/*!
- \internal
+ \fn bool QChar::isLetter(uint ucs4)
\overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a letter (Letter_* categories); otherwise returns false.
+*/
+
+/*!
+ \internal
*/
-bool QChar::isLetter(ushort ucs2)
+bool QT_FASTCALL QChar::isLetter_helper(uint ucs4)
{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
const int test = FLAG(Letter_Uppercase) |
FLAG(Letter_Lowercase) |
FLAG(Letter_Titlecase) |
FLAG(Letter_Modifier) |
FLAG(Letter_Other);
- return FLAG(qGetProp(ucs2)->category) & test;
+ return FLAG(qGetProp(ucs4)->category) & test;
}
/*!
@@ -574,15 +660,27 @@ bool QChar::isLetter(ushort ucs2)
*/
/*!
- \internal
+ \fn bool QChar::isNumber(uint ucs4)
\overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a number (Number_* categories, not just 0-9); otherwise returns false.
+
+ \sa isDigit()
*/
-bool QChar::isNumber(ushort ucs2)
+
+/*!
+ \internal
+*/
+bool QT_FASTCALL QChar::isNumber_helper(uint ucs4)
{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
const int test = FLAG(Number_DecimalDigit) |
FLAG(Number_Letter) |
FLAG(Number_Other);
- return FLAG(qGetProp(ucs2)->category) & test;
+ return FLAG(qGetProp(ucs4)->category) & test;
}
/*!
@@ -593,11 +691,21 @@ bool QChar::isNumber(ushort ucs2)
*/
/*!
- \internal
+ \fn bool QChar::isLetterOrNumber(uint ucs4)
\overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a letter or number (Letter_* or Number_* categories); otherwise returns false.
+*/
+
+/*!
+ \internal
*/
-bool QChar::isLetterOrNumber(ushort ucs2)
+bool QT_FASTCALL QChar::isLetterOrNumber_helper(uint ucs4)
{
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
const int test = FLAG(Letter_Uppercase) |
FLAG(Letter_Lowercase) |
FLAG(Letter_Titlecase) |
@@ -606,7 +714,7 @@ bool QChar::isLetterOrNumber(ushort ucs2)
FLAG(Number_DecimalDigit) |
FLAG(Number_Letter) |
FLAG(Number_Other);
- return FLAG(qGetProp(ucs2)->category) & test;
+ return FLAG(qGetProp(ucs4)->category) & test;
}
/*!
@@ -614,29 +722,20 @@ bool QChar::isLetterOrNumber(ushort ucs2)
Returns true if the character is a decimal digit
(Number_DecimalDigit); otherwise returns false.
+
+ \sa isNumber()
*/
/*!
- \internal
+ \fn bool QChar::isDigit(uint ucs4)
\overload
-*/
-bool QChar::isDigit(ushort ucs2)
-{
- return (qGetProp(ucs2)->category == Number_DecimalDigit);
-}
+ \since 5.0
-/*!
- Returns true if the character is a symbol (Symbol_* categories);
- otherwise returns false.
+ Returns true if the UCS-4-encoded character specified by \a ucs4 is
+ a decimal digit (Number_DecimalDigit); otherwise returns false.
+
+ \sa isNumber()
*/
-bool QChar::isSymbol() const
-{
- const int test = FLAG(Symbol_Math) |
- FLAG(Symbol_Currency) |
- FLAG(Symbol_Modifier) |
- FLAG(Symbol_Other);
- return FLAG(qGetProp(ucs)->category) & test;
-}
/*!
\fn bool QChar::isHighSurrogate() const
@@ -714,16 +813,6 @@ bool QChar::isSymbol() const
/*!
\overload
- Returns the numeric value of the digit, specified by the UCS-2-encoded
- character, \a ucs2, or -1 if the character is not a digit.
-*/
-int QChar::digitValue(ushort ucs2)
-{
- return qGetProp(ucs2)->digitValue;
-}
-
-/*!
- \overload
Returns the numeric value of the digit specified by the UCS-4-encoded
character, \a ucs4, or -1 if the character is not a digit.
*/
@@ -752,16 +841,6 @@ QChar::Category QChar::category(uint ucs4)
}
/*!
- \overload
- Returns the category of the UCS-2-encoded character specified by \a ucs2.
-*/
-QChar::Category QChar::category(ushort ucs2)
-{
- return (QChar::Category) qGetProp(ucs2)->category;
-}
-
-
-/*!
\fn QChar::Direction QChar::direction() const
Returns the character's direction.
@@ -779,15 +858,6 @@ QChar::Direction QChar::direction(uint ucs4)
}
/*!
- \overload
- Returns the direction of the UCS-2-encoded character specified by \a ucs2.
-*/
-QChar::Direction QChar::direction(ushort ucs2)
-{
- return (QChar::Direction) qGetProp(ucs2)->direction;
-}
-
-/*!
\fn QChar::Joining QChar::joining() const
Returns information about the joining properties of the character
@@ -807,26 +877,32 @@ QChar::Joining QChar::joining(uint ucs4)
}
/*!
- \overload
- Returns information about the joining properties of the UCS-2-encoded
- character specified by \a ucs2 (needed for certain languages such as Arabic).
-*/
-QChar::Joining QChar::joining(ushort ucs2)
-{
- return (QChar::Joining) qGetProp(ucs2)->joining;
-}
+ \fn bool QChar::hasMirrored() const
-/*!
Returns true if the character should be reversed if the text
direction is reversed; otherwise returns false.
- Same as (ch.mirroredChar() != ch).
+ A bit faster equivalent of (ch.mirroredChar() != ch).
\sa mirroredChar()
*/
-bool QChar::hasMirrored() const
+
+/*!
+ \overload
+ \since 5.0
+
+ Returns true if the UCS-4-encoded character specified by \a ucs4
+ should be reversed if the text direction is reversed; otherwise returns false.
+
+ A bit faster equivalent of (QChar::mirroredChar(ucs4) != ucs4).
+
+ \sa mirroredChar()
+*/
+bool QChar::hasMirrored(uint ucs4)
{
- return qGetProp(ucs)->mirrorDiff != 0;
+ if (ucs4 > UNICODE_LAST_CODEPOINT)
+ return false;
+ return qGetProp(ucs4)->mirrorDiff != 0;
}
/*!
@@ -879,18 +955,6 @@ uint QChar::mirroredChar(uint ucs4)
return ucs4 + qGetProp(ucs4)->mirrorDiff;
}
-/*!
- \overload
- Returns the mirrored character if the UCS-2-encoded character specified
- by \a ucs2 is a mirrored character; otherwise returns the character itself.
-
- \sa hasMirrored()
-*/
-ushort QChar::mirroredChar(ushort ucs2)
-{
- return ucs2 + qGetProp(ucs2)->mirrorDiff;
-}
-
// constants for Hangul (de)composition, see UAX #15
enum {
@@ -939,7 +1003,7 @@ static const unsigned short * QT_FASTCALL decompositionHelper
*/
QString QChar::decomposition() const
{
- return decomposition(ucs);
+ return QChar::decomposition(ucs);
}
/*!
@@ -957,13 +1021,11 @@ QString QChar::decomposition(uint ucs4)
}
/*!
+ \fn QChar::Decomposition QChar::decompositionTag() const
+
Returns the tag defining the composition of the character. Returns
QChar::NoDecomposition if no decomposition exists.
*/
-QChar::Decomposition QChar::decompositionTag() const
-{
- return decompositionTag(ucs);
-}
/*!
\overload
@@ -1004,16 +1066,6 @@ unsigned char QChar::combiningClass(uint ucs4)
}
/*!
- \overload
- Returns the combining class for the UCS-2-encoded character specified by
- \a ucs2, as defined in the Unicode standard.
-*/
-unsigned char QChar::combiningClass(ushort ucs2)
-{
- return (unsigned char) qGetProp(ucs2)->combiningClass;
-}
-
-/*!
\fn QChar::UnicodeVersion QChar::unicodeVersion() const
Returns the Unicode version that introduced this character.
@@ -1032,16 +1084,6 @@ QChar::UnicodeVersion QChar::unicodeVersion(uint ucs4)
}
/*!
- \overload
- Returns the Unicode version that introduced the character specified in
- its UCS-2-encoded form as \a ucs2.
-*/
-QChar::UnicodeVersion QChar::unicodeVersion(ushort ucs2)
-{
- return (QChar::UnicodeVersion) qGetProp(ucs2)->unicodeVersion;
-}
-
-/*!
Returns the most recent supported Unicode version.
*/
QChar::UnicodeVersion QChar::currentUnicodeVersion()
@@ -1119,17 +1161,6 @@ uint QChar::toLower(uint ucs4)
}
/*!
- \overload
- Returns the lowercase equivalent of the UCS-2-encoded character specified
- by \a ucs2 if the character is uppercase or titlecase; otherwise returns
- the character itself.
-*/
-ushort QChar::toLower(ushort ucs2)
-{
- return toLowerCase_helper<ushort>(ucs2);
-}
-
-/*!
\fn QChar QChar::toUpper() const
Returns the uppercase equivalent if the character is lowercase or titlecase;
@@ -1150,17 +1181,6 @@ uint QChar::toUpper(uint ucs4)
}
/*!
- \overload
- Returns the uppercase equivalent of the UCS-2-encoded character specified
- by \a ucs2 if the character is lowercase or titlecase; otherwise returns
- the character itself.
-*/
-ushort QChar::toUpper(ushort ucs2)
-{
- return toUpperCase_helper<ushort>(ucs2);
-}
-
-/*!
\fn QChar QChar::toTitleCase() const
Returns the title case equivalent if the character is lowercase or uppercase;
@@ -1180,17 +1200,6 @@ uint QChar::toTitleCase(uint ucs4)
return toTitleCase_helper<uint>(ucs4);
}
-/*!
- \overload
- Returns the title case equivalent of the UCS-2-encoded character specified
- by \a ucs2 if the character is lowercase or uppercase; otherwise returns
- the character itself.
-*/
-ushort QChar::toTitleCase(ushort ucs2)
-{
- return toTitleCase_helper<ushort>(ucs2);
-}
-
static inline uint foldCase(const ushort *ch, const ushort *start)
{
uint c = *ch;
@@ -1233,16 +1242,6 @@ uint QChar::toCaseFolded(uint ucs4)
}
/*!
- \overload
- Returns the case folded equivalent of the UCS-2-encoded character specified
- by \a ucs2. For most Unicode characters this is the same as toLowerCase().
-*/
-ushort QChar::toCaseFolded(ushort ucs2)
-{
- return toCaseFolded_helper<ushort>(ucs2);
-}
-
-/*!
\fn char QChar::toLatin1() const
Returns the Latin-1 character equivalent to the QChar, or 0. This
diff --git a/src/corelib/tools/qchar.h b/src/corelib/tools/qchar.h
index 6711f66e95..07333c9535 100644
--- a/src/corelib/tools/qchar.h
+++ b/src/corelib/tools/qchar.h
@@ -206,12 +206,13 @@ public:
inline Category category() const { return QChar::category(ucs); }
inline Direction direction() const { return QChar::direction(ucs); }
inline Joining joining() const { return QChar::joining(ucs); }
- bool hasMirrored() const;
inline unsigned char combiningClass() const { return QChar::combiningClass(ucs); }
inline QChar mirroredChar() const { return QChar::mirroredChar(ucs); }
+ inline bool hasMirrored() const { return QChar::hasMirrored(ucs); }
+
QString decomposition() const;
- Decomposition decompositionTag() const;
+ inline Decomposition decompositionTag() const { return QChar::decompositionTag(ucs); }
inline int digitValue() const { return QChar::digitValue(ucs); }
inline QChar toLower() const { return QChar::toLower(ucs); }
@@ -230,34 +231,19 @@ public:
static inline QChar fromLatin1(char c);
inline bool isNull() const { return ucs == 0; }
- bool isPrint() const;
- bool isPunct() const;
- inline bool isSpace() const {
- // note that [0x09..0x0d] + 0x85 are exceptional Cc-s and must be handled explicitly
- return ucs == 0x20 || (ucs <= 0x0D && ucs >= 0x09)
- || (ucs > 127 && (ucs == 0x85 || ucs == 0xa0 || isSpace(ucs)));
- }
- bool isMark() const;
- inline bool isLetter() const {
- return (ucs >= 'A' && ucs <= 'z' && (ucs >= 'a' || ucs <= 'Z'))
- || (ucs > 127 && isLetter(ucs));
- }
- inline bool isNumber() const
- { return (ucs <= '9' && ucs >= '0') || (ucs > 127 && isNumber(ucs)); }
- inline bool isLetterOrNumber() const
- {
- return (ucs >= 'A' && ucs <= 'z' && (ucs >= 'a' || ucs <= 'Z'))
- || (ucs >= '0' && ucs <= '9')
- || (ucs > 127 && isLetterOrNumber(ucs));
- }
- inline bool isDigit() const
- { return (ucs <= '9' && ucs >= '0') || (ucs > 127 && isDigit(ucs)); }
- bool isSymbol() const;
- inline bool isLower() const
- { return (ucs <= 'z' && ucs >= 'a') || (ucs > 127 && category() == Letter_Lowercase); }
- inline bool isUpper() const
- { return (ucs <= 'Z' && ucs >= 'A') || (ucs > 127 && category() == Letter_Uppercase); }
- inline bool isTitleCase() const { return ucs > 127 && category() == Letter_Titlecase; }
+
+ inline bool isPrint() const { return QChar::isPrint(ucs); }
+ inline bool isSpace() const { return QChar::isSpace(ucs); }
+ inline bool isMark() const { return QChar::isMark(ucs); }
+ inline bool isPunct() const { return QChar::isPunct(ucs); }
+ inline bool isSymbol() const { return QChar::isSymbol(ucs); }
+ inline bool isLetter() const { return QChar::isLetter(ucs); }
+ inline bool isNumber() const { return QChar::isNumber(ucs); }
+ inline bool isLetterOrNumber() const { return QChar::isLetterOrNumber(ucs); }
+ inline bool isDigit() const { return QChar::isDigit(ucs); }
+ inline bool isLower() const { return QChar::isLower(ucs); }
+ inline bool isUpper() const { return QChar::isUpper(ucs); }
+ inline bool isTitleCase() const { return QChar::isTitleCase(ucs); }
inline bool isHighSurrogate() const {
return ((ucs & 0xfc00) == 0xd800);
@@ -284,7 +270,7 @@ public:
return (uint(high)<<10) + low - 0x35fdc00;
}
static inline uint surrogateToUcs4(QChar high, QChar low) {
- return (uint(high.ucs)<<10) + low.ucs - 0x35fdc00;
+ return surrogateToUcs4(high.unicode(), low.unicode());
}
static inline ushort highSurrogate(uint ucs4) {
return ushort((ucs4>>10) + 0xd7c0);
@@ -294,42 +280,44 @@ public:
}
static Category QT_FASTCALL category(uint ucs4);
- static Category QT_FASTCALL category(ushort ucs2);
static Direction QT_FASTCALL direction(uint ucs4);
- static Direction QT_FASTCALL direction(ushort ucs2);
static Joining QT_FASTCALL joining(uint ucs4);
- static Joining QT_FASTCALL joining(ushort ucs2);
static unsigned char QT_FASTCALL combiningClass(uint ucs4);
- static unsigned char QT_FASTCALL combiningClass(ushort ucs2);
static uint QT_FASTCALL mirroredChar(uint ucs4);
- static ushort QT_FASTCALL mirroredChar(ushort ucs2);
+ static bool QT_FASTCALL hasMirrored(uint ucs4);
+
+ static QString QT_FASTCALL decomposition(uint ucs4);
static Decomposition QT_FASTCALL decompositionTag(uint ucs4);
static int QT_FASTCALL digitValue(uint ucs4);
- static int QT_FASTCALL digitValue(ushort ucs2);
static uint QT_FASTCALL toLower(uint ucs4);
- static ushort QT_FASTCALL toLower(ushort ucs2);
static uint QT_FASTCALL toUpper(uint ucs4);
- static ushort QT_FASTCALL toUpper(ushort ucs2);
static uint QT_FASTCALL toTitleCase(uint ucs4);
- static ushort QT_FASTCALL toTitleCase(ushort ucs2);
static uint QT_FASTCALL toCaseFolded(uint ucs4);
- static ushort QT_FASTCALL toCaseFolded(ushort ucs2);
static UnicodeVersion QT_FASTCALL unicodeVersion(uint ucs4);
- static UnicodeVersion QT_FASTCALL unicodeVersion(ushort ucs2);
static UnicodeVersion QT_FASTCALL currentUnicodeVersion();
- static QString QT_FASTCALL decomposition(uint ucs4);
+ static bool QT_FASTCALL isPrint(uint ucs4);
+ static inline bool isSpace(uint ucs4);
+ static bool QT_FASTCALL isMark(uint ucs4);
+ static bool QT_FASTCALL isPunct(uint ucs4);
+ static bool QT_FASTCALL isSymbol(uint ucs4);
+ static inline bool isLetter(uint ucs4);
+ static inline bool isNumber(uint ucs4);
+ static inline bool isLetterOrNumber(uint ucs4);
+ static inline bool isDigit(uint ucs4);
+ static inline bool isLower(uint ucs4);
+ static inline bool isUpper(uint ucs4);
+ static inline bool isTitleCase(uint ucs4);
private:
- static bool QT_FASTCALL isDigit(ushort ucs2);
- static bool QT_FASTCALL isLetter(ushort ucs2);
- static bool QT_FASTCALL isNumber(ushort ucs2);
- static bool QT_FASTCALL isLetterOrNumber(ushort ucs2);
- static bool QT_FASTCALL isSpace(ushort ucs2);
+ static bool QT_FASTCALL isSpace_helper(uint ucs4);
+ static bool QT_FASTCALL isLetter_helper(uint ucs4);
+ static bool QT_FASTCALL isNumber_helper(uint ucs4);
+ static bool QT_FASTCALL isLetterOrNumber_helper(uint ucs4);
#ifdef QT_NO_CAST_FROM_ASCII
QChar(char c);
@@ -350,6 +338,34 @@ inline void QChar::setCell(uchar acell)
inline void QChar::setRow(uchar arow)
{ ucs = ushort((ushort(arow)<<8) + (ucs&0xff)); }
+inline bool QChar::isSpace(uint ucs4)
+{
+ // note that [0x09..0x0d] + 0x85 are exceptional Cc-s and must be handled explicitly
+ return ucs4 == 0x20 || (ucs4 <= 0x0d && ucs4 >= 0x09)
+ || (ucs4 > 127 && (ucs4 == 0x85 || ucs4 == 0xa0 || QChar::isSpace_helper(ucs4)));
+}
+inline bool QChar::isLetter(uint ucs4)
+{
+ return (ucs4 >= 'A' && ucs4 <= 'z' && (ucs4 >= 'a' || ucs4 <= 'Z'))
+ || (ucs4 > 127 && QChar::isLetter_helper(ucs4));
+}
+inline bool QChar::isNumber(uint ucs4)
+{ return (ucs4 <= '9' && ucs4 >= '0') || (ucs4 > 127 && QChar::isNumber_helper(ucs4)); }
+inline bool QChar::isLetterOrNumber(uint ucs4)
+{
+ return (ucs4 >= 'A' && ucs4 <= 'z' && (ucs4 >= 'a' || ucs4 <= 'Z'))
+ || (ucs4 >= '0' && ucs4 <= '9')
+ || (ucs4 > 127 && QChar::isLetterOrNumber_helper(ucs4));
+}
+inline bool QChar::isDigit(uint ucs4)
+{ return (ucs4 <= '9' && ucs4 >= '0') || (ucs4 > 127 && QChar::category(ucs4) == Number_DecimalDigit); }
+inline bool QChar::isLower(uint ucs4)
+{ return (ucs4 <= 'z' && ucs4 >= 'a') || (ucs4 > 127 && QChar::category(ucs4) == Letter_Lowercase); }
+inline bool QChar::isUpper(uint ucs4)
+{ return (ucs4 <= 'Z' && ucs4 >= 'A') || (ucs4 > 127 && QChar::category(ucs4) == Letter_Uppercase); }
+inline bool QChar::isTitleCase(uint ucs4)
+{ return ucs4 > 127 && QChar::category(ucs4) == Letter_Titlecase; }
+
inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
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