JavaScriptCore-584.tar.gz

[apple/javascriptcore.git] / wtf / unicode / qt4 / UnicodeQt4.h

diff --git a/wtf/unicode/qt4/UnicodeQt4.h b/wtf/unicode/qt4/UnicodeQt4.h
index f65e2920fd2f57871c631ad84d97fb2290777234..cfd482d995363cef83452ab220164ef6f47e0e2e 100644 (file)
--- a/wtf/unicode/qt4/UnicodeQt4.h
+++ b/wtf/unicode/qt4/UnicodeQt4.h
@@ -30,7 +30,6 @@
 
 #include <stdint.h>
 
-#if QT_VERSION >= 0x040300
 QT_BEGIN_NAMESPACE
 namespace QUnicodeTables {
     struct Properties {
@@ -55,10 +54,9 @@ namespace QUnicodeTables {
     Q_CORE_EXPORT const Properties * QT_FASTCALL properties(ushort ucs2);
 }
 QT_END_NAMESPACE
-#endif
 
 // ugly hack to make UChar compatible with JSChar in API/JSStringRef.h
-#if defined(Q_OS_WIN)
+#if defined(Q_OS_WIN) || COMPILER(WINSCW)
 typedef wchar_t UChar;
 #else
 typedef uint16_t UChar;
@@ -92,6 +90,17 @@ typedef uint32_t UChar32;
     } \
 }
 
+#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 U_MASK(x) ((uint32_t)1<<(x))
 
 namespace WTF {
@@ -175,8 +184,6 @@ enum CharCategory {
 };
 
 
-#if QT_VERSION >= 0x040300
-
 // FIXME: handle surrogates correctly in all methods
 
 inline UChar32 toLower(UChar32 ch)
@@ -395,138 +402,6 @@ inline CharCategory category(UChar32 c)
     return (CharCategory) U_MASK(QChar::category(c));
 }
 
-#else
-
-inline UChar32 toLower(UChar32 ch)
-{
-    if (ch > 0xffff)
-        return ch;
-    return QChar((unsigned short)ch).toLower().unicode();
-}
-
-inline int toLower(UChar* result, int resultLength, const UChar* src, int srcLength,  bool* error)
-{
-  *error = false;
-  if (resultLength < srcLength) {
-    *error = true;
-    return srcLength;
-  }
-  for (int i = 0; i < srcLength; ++i)
-    result[i] = QChar(src[i]).toLower().unicode();
-  return srcLength;
-}
-
-inline UChar32 toUpper(UChar32 ch)
-{
-    if (ch > 0xffff)
-        return ch;
-    return QChar((unsigned short)ch).toUpper().unicode();
-}
-
-inline int toUpper(UChar* result, int resultLength, const UChar* src, int srcLength,  bool* error)
-{
-    *error = false;
-    if (resultLength < srcLength) {
-        *error = true;
-        return srcLength;
-    }
-    for (int i = 0; i < srcLength; ++i)
-        result[i] = QChar(src[i]).toUpper().unicode();
-    return srcLength;
-}
-
-inline int toTitleCase(UChar32 c)
-{
-    if (c > 0xffff)
-        return c;
-    return QChar((unsigned short)c).toUpper().unicode();
-}
-
-inline UChar32 foldCase(UChar32 c)
-{
-    if (c > 0xffff)
-        return c;
-    return QChar((unsigned short)c).toLower().unicode();
-}
-
-inline int foldCase(UChar* result, int resultLength, const UChar* src, int srcLength,  bool* error)
-{
-    return toLower(result, resultLength, src, srcLength, error);
-}
-
-inline bool isPrintableChar(UChar32 c)
-{
-    return (c & 0xffff0000) == 0 && QChar((unsigned short)c).isPrint();
-}
-
-inline bool isArabicChar(UChar32 c)
-{
-    return c >= 0x0600 && c <= 0x06FF;
-}
-
-inline bool isSeparatorSpace(UChar32 c)
-{
-    return (c & 0xffff0000) == 0 && QChar((unsigned short)c).category() == QChar::Separator_Space;
-}
-
-inline bool isPunct(UChar32 c)
-{
-    return (c & 0xffff0000) == 0 && QChar((unsigned short)c).isPunct();
-}
-
-inline bool isLower(UChar32 c)
-{
-    return (c & 0xffff0000) == 0 && QChar((unsigned short)c).category() == QChar::Letter_Lowercase;
-}
-
-inline UChar32 mirroredChar(UChar32 c)
-{
-    if (c > 0xffff)
-        return c;
-    return QChar(c).mirroredChar().unicode();
-}
-
-inline uint8_t combiningClass(UChar32 c)
-{
-    if (c > 0xffff)
-        return 0;
-    return QChar((unsigned short)c).combiningClass();
-}
-
-inline DecompositionType decompositionType(UChar32 c)
-{
-    if (c > 0xffff)
-        return DecompositionNone;
-    return (DecompositionType)QChar(c).decompositionTag();
-}
-
-inline int umemcasecmp(const UChar* a, const UChar* b, int len)
-{
-    for (int i = 0; i < len; ++i) {
-        QChar c1 = QChar(a[i]).toLower();
-        QChar c2 = QChar(b[i]).toLower();
-        if (c1 != c2)
-        return c1.unicode() - c2.unicode();
-    }
-    return 0;
-}
-
-inline Direction direction(UChar32 c)
-{
-    if (c > 0xffff)
-        return LeftToRight;
-    return (Direction)QChar(c).direction();
-}
-
-inline CharCategory category(UChar32 c)
-{
-    if (c > 0xffff)
-        return NoCategory;
-    return (CharCategory) U_MASK(QChar(c).category());
-}
-
-#endif
-
 } }
 
 #endif // WTF_UNICODE_QT4_H