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Edward Welbourne 78cf89c07d Use checked string iteration in case conversions 
The Unicode table code can only be safely called on valid code-points.
So code that calls it must only pass it valid Unicode data. The string
iterator's Unchecked Unchecked methods only provide this guarantee
when the string being iterated is guaranteed to be valid UTF-16; while
client code should only use QString, QStringView and friends on valid
UTF-16 data, we have no way to be sure they have respected that.

So take the few extra cycles to actually check validity in the course
of iterating strings, when the resulting code-points are to be passed
to the Unicode table look-ups. Add tests that case mapping doesn't
access Unicode tables out of range (it'll trigger the new assertion).
Added some comments to qchar.h that helped me understand surrogates.

Change-Id: Iec2c3106bf1a875bdaa1d622f6cf94d7007e281e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
2020-08-29 18:15:27 +02:00
.github/workflows GitHub Actions: Fix actions build 2020-08-14 21:40:28 +02:00
bin Windows: Avoid syncqt needlessly re-generating headers 2020-08-19 12:46:09 +02:00
cmake CMake: Fix cmake wrapper creation when cross-building 2020-08-28 12:09:53 +00:00
coin CMake: Use CMAKE_AUTOGEN_VERBOSE to see moc invocations 2020-07-24 17:33:17 +02:00
config.tests CMake: Skip regeneration of manual compile test project 2020-04-09 11:26:46 +02:00
dist Remove last remainings of Qt Quick 1 imports 2020-05-25 11:48:12 +02:00
doc Doc: Fix documentation warnings for Qt GUI 2020-08-28 11:37:35 +02:00
examples High-DPI: Remove usage of Qt::AA_EnableHighDpiScaling 2020-08-28 20:08:43 +02:00
lib Purge all fonts 2015-08-18 19:59:14 +00:00
mkspecs qmake: Do not pass -mthreads to Clang 2020-08-28 12:58:04 +03:00
qmake Remove MSVC workaround for QPolygon 2020-08-29 14:49:15 +02:00
src Use checked string iteration in case conversions 2020-08-29 18:15:27 +02:00
tests Use checked string iteration in case conversions 2020-08-29 18:15:27 +02:00
util Use checked string iteration in case conversions 2020-08-29 18:15:27 +02:00
.cmake.conf pro2cmake.py: Generate .cmake.conf files for versioning 2020-04-30 17:44:03 +00:00
.gitattributes Update the git-archive export options 2012-09-07 15:39:31 +02:00
.gitignore Remove the QPF2 font engine 2020-08-24 07:08:45 +02:00
.lgtm.yml Skip LGTM analysis for the bootstrap library and tools 2020-07-16 01:04:34 +02:00
.prev_qt_cmdline.cmake CMake: Re-implement configure/qmake's command line handling in CMake 2020-08-17 08:08:20 +02:00
.qmake.conf Bump version 2020-02-02 13:41:14 +01:00
.tag Update the git-archive export options 2012-09-07 15:39:31 +02:00
CMakeLists.txt CMake: Fix tst_moc to build when tests are built as part of Qt tree 2020-08-23 11:04:20 +02:00
config_help.txt Make -qtlibinfix affect the names of plugins by default 2020-07-13 20:30:18 +02:00
configure CMake: Fix configure -redo on Unix 2020-08-20 17:07:09 +02:00
configure.bat CMake: Fix top-level configure 2020-07-16 15:00:37 +02:00
configure.cmake CMake: Implement configure -gdb-index 2020-08-23 11:05:01 +02:00
configure.json Remove Qt 5.1 binary-compatibility warning 2020-08-18 12:55:38 +02:00
configure.pri Treat -xplatform or -device-option as being a cross compilation 2020-07-08 19:18:09 +02:00
dependencies.yaml Re-add dependencies.yaml so repos outside qt5 can be built with Coin 2019-09-19 17:07:36 +00:00
header.BSD Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.FDL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.GPL-EXCEPT Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL3-COMM Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-NOGPL2 Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.LGPL-ONLY Use placeholder for year in header.* files 2018-04-16 11:02:22 +00:00
header.MIT qsimd: add support for new x86 CPU features 2018-05-05 06:20:07 +00:00
INSTALL INSTALL: Remove outdated reference to Windows CE 2019-02-13 13:01:57 +00:00
LICENSE.FDL Initial import from the monolithic Qt. 2011-04-27 12:05:43 +02:00
LICENSE.GPL2 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.GPL3-EXCEPT Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPL3 Add new license header templates and license files 2016-01-14 20:43:46 +00:00
LICENSE.LGPLv3 Remove LICENSE.GPLv3, LICENSE.LGPLv21, LGPL_EXCEPTION.txt 2018-04-16 11:02:14 +00:00
LICENSE.QT-LICENSE-AGREEMENT Update enterprise license agreement v4.2.1 2019-12-18 13:07:19 +02:00
qt_cmdline.cmake CMake: Re-implement configure/qmake's command line handling in CMake 2020-08-17 08:08:20 +02:00
qtbase.pro Update qmake before building src 2020-08-19 18:25:51 +02:00
sync.profile Remove last remaining bits of QtPlatformHeaders 2020-08-04 07:12:32 +02:00