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QTextCodec: update the docs for codecForUtfText 

It can detect the standard UTF codecs, but not non-standard like
UTF-7[1], UTF-9 or UTF-18[2].

[1] https://tools.ietf.org/html/rfc2152
[2] https://tools.ietf.org/html/rfc4042

Fixes: QTBUG-67188
Change-Id: If7e743cf8476463880ccfffd155f853dc947421a
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
bb10
Thiago Macieira 2018-10-20 21:28:17 -07:00
parent 570ef11c28
commit 66a2d15907
1 changed files with 26 additions and 5 deletions
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31
src/corelib/codecs/qtextcodec.cpp
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@ -1164,9 +1164,19 @@ QTextCodec *QTextCodec::codecForHtml(const QByteArray &ba)
Tries to detect the encoding of the provided snippet \a ba by
using the BOM (Byte Order Mark) and returns a QTextCodec instance
that is capable of decoding the text to unicode. If the codec
cannot be detected from the content provided, \a defaultCodec is
returned.
that is capable of decoding the text to unicode. This function can
detect one of the following codecs:
\list
\li UTF-32 Little Endian
\li UTF-32 Big Endian
\li UTF-16 Little Endian
\li UTF-16 Big Endian
\li UTF-8
\endlist
If the codec cannot be detected from the content provided, \a defaultCodec
is returned.
\sa codecForHtml()
*/
@ -1209,8 +1219,19 @@ QTextCodec *QTextCodec::codecForUtfText(const QByteArray &ba, QTextCodec *defaul
Tries to detect the encoding of the provided snippet \a ba by
using the BOM (Byte Order Mark) and returns a QTextCodec instance
that is capable of decoding the text to unicode. If the codec
cannot be detected, this overload returns a Latin-1 QTextCodec.
that is capable of decoding the text to unicode. This function can
detect one of the following codecs:
\list
\li UTF-32 Little Endian
\li UTF-32 Big Endian
\li UTF-16 Little Endian
\li UTF-16 Big Endian
\li UTF-8
\endlist
If the codec cannot be detected from the content provided, this overload
returns a Latin-1 QTextCodec.
\sa codecForHtml()
*/