diff options
author | Lars Knoll <lars.knoll@qt.io> | 2020-04-07 11:14:06 +0200 |
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committer | Lars Knoll <lars.knoll@qt.io> | 2020-04-21 15:46:43 +0200 |
commit | ff0d02eb2f048730ccbf0cdf30af64c5c5552044 (patch) | |
tree | a650f2440af8e8a6529c49f093f1fb60eb087132 /src/corelib/codecs/qutfcodec.cpp | |
parent | 50916edd9d1707774c597abe1b7237e1a798fc53 (diff) |
Remove QTextCodec dependency from QClipboard
QClipboard used QTextCodec to convert the war clipboard data to
a QString. HTML is nowadays always encoded as utf8, and we were only
supporting utf based encodings for other text.
Add a qFromUtfEncoded() to our UTF helpers that auto detects utf16
and utf32 byte order marks, and assumes utf8 otherwise, to keep
this compatible with what we have been doing in Qt 5.
Change-Id: I5a9fccb67a88dff27cbbdecff9bd548d31aa1c6c
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/corelib/codecs/qutfcodec.cpp')
-rw-r--r-- | src/corelib/codecs/qutfcodec.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/corelib/codecs/qutfcodec.cpp b/src/corelib/codecs/qutfcodec.cpp index 8561f908b9..9419ce8d84 100644 --- a/src/corelib/codecs/qutfcodec.cpp +++ b/src/corelib/codecs/qutfcodec.cpp @@ -972,6 +972,25 @@ QString QUtf32::convertToUnicode(const char *chars, int len, QTextCodec::Convert return result; } +QString qFromUtfEncoded(const QByteArray &ba) +{ + const int arraySize = ba.size(); + const uchar *buf = reinterpret_cast<const uchar *>(ba.constData()); + const uint bom = 0xfeff; + + if (arraySize > 3) { + uint uc = qFromUnaligned<uint>(buf); + if (uc == qToBigEndian(bom) || uc == qToLittleEndian(bom)) + return QUtf32::convertToUnicode(ba.constData(), ba.length(), nullptr); // utf-32 + } + + if (arraySize > 1) { + ushort uc = qFromUnaligned<ushort>(buf); + if (uc == qToBigEndian(ushort(bom)) || qToLittleEndian(ushort(bom))) + return QUtf16::convertToUnicode(ba.constData(), ba.length(), nullptr); // utf-16 + } + return QUtf8::convertToUnicode(ba.constData(), ba.length()); +} #if QT_CONFIG(textcodec) |