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-rw-r--r--src/corelib/tools/qstring.cpp168
1 files changed, 41 insertions, 127 deletions
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index 38b6f58..f3c773b 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -45,6 +45,7 @@
#ifndef QT_NO_TEXTCODEC
#include <qtextcodec.h>
#endif
+#include <private/qutfcodec_p.h>
#include <qdatastream.h>
#include <qlist.h>
#include "qlocale.h"
@@ -964,7 +965,8 @@ int QString::toWCharArray(wchar_t *array) const
Constructs a string initialized with the first \a size characters
of the QChar array \a unicode.
- QString makes a deep copy of the string data.
+ QString makes a deep copy of the string data. The unicode data is copied as
+ is and the Byte Order Mark is preserved if present.
*/
QString::QString(const QChar *unicode, int size)
{
@@ -3482,7 +3484,7 @@ QByteArray QString::toAscii() const
return toLatin1();
}
-#ifndef Q_WS_MAC
+#if !defined(Q_WS_MAC) && defined(Q_OS_UNIX)
static QByteArray toLocal8Bit_helper(const QChar *data, int length)
{
#ifndef QT_NO_TEXTCODEC
@@ -3717,13 +3719,13 @@ QByteArray qt_winQString2MB(const QChar *ch, int uclen)
BOOL used_def;
QByteArray mb(4096, 0);
int len;
- while (!(len=WideCharToMultiByte(CP_ACP, 0, (const WCHAR*)ch, uclen,
+ while (!(len=WideCharToMultiByte(CP_ACP, 0, (const wchar_t*)ch, uclen,
mb.data(), mb.size()-1, 0, &used_def)))
{
int r = GetLastError();
if (r == ERROR_INSUFFICIENT_BUFFER) {
mb.resize(1+WideCharToMultiByte(CP_ACP, 0,
- (const WCHAR*)ch, uclen,
+ (const wchar_t*)ch, uclen,
0, 0, 0, &used_def));
// and try again...
} else {
@@ -3744,9 +3746,9 @@ QString qt_winMB2QString(const char *mb, int mblen)
if (!mb || !mblen)
return QString();
const int wclen_auto = 4096;
- WCHAR wc_auto[wclen_auto];
+ wchar_t wc_auto[wclen_auto];
int wclen = wclen_auto;
- WCHAR *wc = wc_auto;
+ wchar_t *wc = wc_auto;
int len;
while (!(len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
mb, mblen, wc, wclen)))
@@ -3759,7 +3761,7 @@ QString qt_winMB2QString(const char *mb, int mblen)
} else {
wclen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,
mb, mblen, 0, 0);
- wc = new WCHAR[wclen];
+ wc = new wchar_t[wclen];
// and try again...
}
} else {
@@ -3802,11 +3804,6 @@ QString QString::fromLocal8Bit(const char *str, int size)
return QString();
if (size == 0 || (!*str && size < 0))
return QLatin1String("");
-#if defined(Q_OS_WIN32)
- if(QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) {
- return qt_winMB2QString(str, size);
- }
-#endif
#if !defined(QT_NO_TEXTCODEC)
if (size < 0)
size = qstrlen(str);
@@ -3851,74 +3848,7 @@ QString QString::fromUtf8(const char *str, int size)
if (size < 0)
size = qstrlen(str);
- QString result(size, Qt::Uninitialized); // worst case
- ushort *qch = result.d->data;
- uint uc = 0;
- uint min_uc = 0;
- int need = 0;
- int error = -1;
- uchar ch;
- int i = 0;
-
- // skip utf8-encoded byte order mark
- if (size >= 3
- && (uchar)str[0] == 0xef && (uchar)str[1] == 0xbb && (uchar)str[2] == 0xbf)
- i += 3;
-
- for (; i < size; ++i) {
- ch = str[i];
- if (need) {
- if ((ch&0xc0) == 0x80) {
- uc = (uc << 6) | (ch & 0x3f);
- need--;
- if (!need) {
- if (uc > 0xffffU && uc < 0x110000U) {
- // surrogate pair
- *qch++ = QChar::highSurrogate(uc);
- uc = QChar::lowSurrogate(uc);
- } else if ((uc < min_uc) || (uc >= 0xd800 && uc <= 0xdfff) || (uc >= 0xfffe)) {
- // overlong seqence, UTF16 surrogate or BOM
- uc = QChar::ReplacementCharacter;
- }
- *qch++ = uc;
- }
- } else {
- i = error;
- need = 0;
- *qch++ = QChar::ReplacementCharacter;
- }
- } else {
- if (ch < 128) {
- *qch++ = ch;
- } else if ((ch & 0xe0) == 0xc0) {
- uc = ch & 0x1f;
- need = 1;
- error = i;
- min_uc = 0x80;
- } else if ((ch & 0xf0) == 0xe0) {
- uc = ch & 0x0f;
- need = 2;
- error = i;
- min_uc = 0x800;
- } else if ((ch&0xf8) == 0xf0) {
- uc = ch & 0x07;
- need = 3;
- error = i;
- min_uc = 0x10000;
- } else {
- // Error
- *qch++ = QChar::ReplacementCharacter;
- }
- }
- }
- if (need) {
- // we have some invalid characters remaining we need to add to the string
- for (int i = error; i < size; ++i)
- *qch++ = QChar::ReplacementCharacter;
- }
-
- result.truncate(qch - result.d->data);
- return result;
+ return QUtf8::convertToUnicode(str, size, 0);
}
/*!
@@ -3941,7 +3871,7 @@ QString QString::fromUtf16(const ushort *unicode, int size)
while (unicode[size] != 0)
++size;
}
- return QString((const QChar *)unicode, size);
+ return QUtf16::convertToUnicode((const char *)unicode, size*2, 0);
}
@@ -3965,20 +3895,7 @@ QString QString::fromUcs4(const uint *unicode, int size)
while (unicode[size] != 0)
++size;
}
-
- QString s(size * 2, Qt::Uninitialized); // worst case
- ushort *uc = s.d->data;
- for (int i = 0; i < size; ++i) {
- uint u = unicode[i];
- if (u > 0xffff) {
- // decompose into a surrogate pair
- *uc++ = QChar::highSurrogate(u);
- u = QChar::lowSurrogate(u);
- }
- *uc++ = u;
- }
- s.resize(uc - s.d->data);
- return s;
+ return QUtf32::convertToUnicode((const char *)unicode, size*4, 0);
}
/*!
@@ -4700,16 +4617,7 @@ int QString::localeAwareCompare_helper(const QChar *data1, int length1,
return ucstrcmp(data1, length1, data2, length2);
#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
- int res;
- QT_WA({
- const TCHAR* s1 = (TCHAR*)data1;
- const TCHAR* s2 = (TCHAR*)data2;
- res = CompareStringW(GetUserDefaultLCID(), 0, s1, length1, s2, length2);
- } , {
- QByteArray s1 = toLocal8Bit_helper(data1, length1);
- QByteArray s2 = toLocal8Bit_helper(data2, length2);
- res = CompareStringA(GetUserDefaultLCID(), 0, s1.data(), s1.length(), s2.data(), s2.length());
- });
+ int res = CompareString(GetUserDefaultLCID(), 0, (wchar_t*)data1, length1, (wchar_t*)data2, length2);
switch (res) {
case CSTR_LESS_THAN:
@@ -6123,6 +6031,7 @@ QString QString::repeated(int times) const
return result;
}
+void qt_string_normalize(QString *data, QString::NormalizationForm mode, QChar::UnicodeVersion version, int from);
/*!
\overload
\fn QString QString::normalized(NormalizationForm mode, QChar::UnicodeVersion version) const
@@ -6132,42 +6041,48 @@ QString QString::repeated(int times) const
*/
QString QString::normalized(QString::NormalizationForm mode, QChar::UnicodeVersion version) const
{
+ QString copy = *this;
+ qt_string_normalize(&copy, mode, version, 0);
+ return copy;
+}
+
+void qt_string_normalize(QString *data, QString::NormalizationForm mode, QChar::UnicodeVersion version, int from)
+{
bool simple = true;
- for (int i = 0; i < d->size; ++i) {
- if (d->data[i] >= 0x80) {
+ const QChar *p = data->constData();
+ int len = data->length();
+ for (int i = from; i < len; ++i) {
+ if (p[i].unicode() >= 0x80) {
simple = false;
break;
}
}
if (simple)
- return *this;
+ return;
- QString s = *this;
+ QString &s = *data;
if (version != CURRENT_VERSION) {
for (int i = 0; i < NumNormalizationCorrections; ++i) {
const NormalizationCorrection &n = uc_normalization_corrections[i];
if (n.version > version) {
+ int pos = from;
if (n.ucs4 > 0xffff) {
ushort ucs4High = QChar::highSurrogate(n.ucs4);
ushort ucs4Low = QChar::lowSurrogate(n.ucs4);
ushort oldHigh = QChar::highSurrogate(n.old_mapping);
ushort oldLow = QChar::lowSurrogate(n.old_mapping);
- int pos = 0;
- while (pos < s.d->size - 1) {
- if (s.d->data[pos] == ucs4High && s.d->data[pos + 1] == ucs4Low) {
- s.detach();
- s.d->data[pos] = oldHigh;
- s.d->data[pos + 1] = oldLow;
+ while (pos < s.length() - 1) {
+ if (s.at(pos).unicode() == ucs4High && s.at(pos + 1).unicode() == ucs4Low) {
+ s[pos] = oldHigh;
+ s[pos + 1] = oldLow;
++pos;
}
++pos;
}
} else {
- int pos = 0;
- while (pos < s.d->size) {
- if (s.d->data[pos] == n.ucs4) {
- s.detach();
- s.d->data[pos] = n.old_mapping;
+ while (pos < s.length()) {
+ if (s.at(pos).unicode() == n.ucs4) {
+ s[pos] = n.old_mapping;
}
++pos;
}
@@ -6175,15 +6090,14 @@ QString QString::normalized(QString::NormalizationForm mode, QChar::UnicodeVersi
}
}
}
- s = decomposeHelper(s, mode < QString::NormalizationForm_KD, version);
+ decomposeHelper(data, mode < QString::NormalizationForm_KD, version, from);
- s = canonicalOrderHelper(s, version);
+ canonicalOrderHelper(data, version, from);
if (mode == QString::NormalizationForm_D || mode == QString::NormalizationForm_KD)
- return s;
-
- return composeHelper(s);
+ return;
+ composeHelper(data, from);
}
@@ -6568,7 +6482,7 @@ QString QString::arg(qlonglong a, int fieldWidth, int base, const QChar &fillCha
ArgEscapeData d = findArgEscapes(*this);
if (d.occurrences == 0) {
- qWarning("QString::arg: Argument missing: %s, %lld", toLocal8Bit().data(), a);
+ qWarning() << "QString::arg: Argument missing:" << *this << ',' << a;
return *this;
}
@@ -6611,7 +6525,7 @@ QString QString::arg(qulonglong a, int fieldWidth, int base, const QChar &fillCh
ArgEscapeData d = findArgEscapes(*this);
if (d.occurrences == 0) {
- qWarning("QString::arg: Argument missing: %s, %llu", toLocal8Bit().data(), a);
+ qWarning() << "QString::arg: Argument missing:" << *this << ',' << a;
return *this;
}
generated by cgit v0.12 at 2024-10-19 19:29:04 (GMT)