b0afad8f0b
This is the first step in implementing an in-place conversion of QString
to QByteArray. This requires ref-qualifiers in member functions so we
know that we have an rvalue QString.
Converting from UTF-16 to Latin1 always requires half the memory.
For conversion from UTF-16 to UTF-8, the typical string will also need
the same memory or less: characters from U+0000 to U+007F consume one
fewer byte; characters from U+0080 to U+07FF and from U+10000 to
U+1FFFFF occupy the same space in UTF-8 and UTF-16; it's only the ones
from U+0800 to U+FFFF that consume more space in the UTF-8 string.
For the locale's 8-bit codec, we can't be sure and the code (currently)
needs to go through QTextCodec anyway.
This requires a #define set before #include'ing "qstring.h". However,
since qstring.h is included by the QtCore PCH, we need an extra qmake
compiler without the PCH flags to compile this .cpp.
After this change, the distribution of calls in QtCore, Network, Gui,
and Widgets is as follows:
const & &&
toUtf8 31 (74%) 11 (26%)
toLatin1 79 (77%) 24 (23%)
toLocal8Bit 26 (16%) 138 (84%)
Change-Id: Idd96f9ddb51b989bc59f6da50054dd10c953dd4f
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
136 lines
7.0 KiB
Prolog
136 lines
7.0 KiB
Prolog
TARGET = configure
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DESTDIR = $$PWD/../.. # build directly in source dir
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CONFIG += console flat stl rtti_off
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CONFIG -= moc qt
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DEFINES = UNICODE QT_NO_CODECS QT_NO_TEXTCODEC QT_NO_UNICODETABLES QT_LITE_COMPONENT QT_NO_COMPRESS QT_NO_THREAD QT_NO_QOBJECT QT_NO_GEOM_VARIANT _CRT_SECURE_NO_DEPRECATE
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DEFINES += QT_BOOTSTRAPPED QT_BUILD_CONFIGURE
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win32 : LIBS += -lole32 -ladvapi32
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win32-g++* : LIBS += -luuid
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win32-msvc* {
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QMAKE_CFLAGS_RELEASE -= -MD
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QMAKE_CFLAGS_RELEASE -= -O2
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QMAKE_CFLAGS_RELEASE += -MT -O1 -Os
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QMAKE_CFLAGS_DEBUG -= -MDd
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QMAKE_CFLAGS_DEBUG += -MTd
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QMAKE_CXXFLAGS_RELEASE -= -MD
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QMAKE_CXXFLAGS_RELEASE -= -O2
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QMAKE_CXXFLAGS_RELEASE += -MT -O1 -Os
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QMAKE_CXXFLAGS_DEBUG -= -MDd
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QMAKE_CXXFLAGS_DEBUG += -MTd
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}
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PRECOMPILED_HEADER = configure_pch.h
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INCLUDEPATH += \
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$$QT_BUILD_TREE/include \
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$$QT_BUILD_TREE/include/QtCore \
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$$QT_BUILD_TREE/include/QtCore/$$QT.core.VERSION \
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$$QT_BUILD_TREE/include/QtCore/$$QT.core.VERSION/QtCore \
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$$QT_SOURCE_TREE/tools/shared
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HEADERS = configureapp.h environment.h tools.h\
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$$QT_SOURCE_TREE/src/corelib/tools/qarraydata.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qbytearray.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qarraydatapointer.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qarraydataops.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qbytearraymatcher.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qchar.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qhash.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qlist.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qlocale.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qvector.h \
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$$QT_SOURCE_TREE/src/corelib/codecs/qutfcodec_p.h \
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$$QT_SOURCE_TREE/src/corelib/codecs/qtextcodec.h \
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$$QT_SOURCE_TREE/src/corelib/global/qglobal.h \
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$$QT_SOURCE_TREE/src/corelib/global/qnumeric.h \
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$$QT_SOURCE_TREE/src/corelib/global/qlogging.h \
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$$QT_SOURCE_TREE/src/corelib/io/qbuffer.h \
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$$QT_SOURCE_TREE/src/corelib/io/qdatastream.h \
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$$QT_SOURCE_TREE/src/corelib/io/qdir.h \
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$$QT_SOURCE_TREE/src/corelib/io/qdiriterator.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfiledevice.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfile.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfileinfo.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystementry_p.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystemengine_p.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystemmetadata_p.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystemiterator_p.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfsfileengine.h \
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$$QT_SOURCE_TREE/src/corelib/io/qfsfileengine_iterator_p.h \
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$$QT_SOURCE_TREE/src/corelib/io/qiodevice.h \
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$$QT_SOURCE_TREE/src/corelib/io/qtextstream.h \
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$$QT_SOURCE_TREE/src/corelib/io/qtemporaryfile.h \
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$$QT_SOURCE_TREE/src/corelib/io/qstandardpaths.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qbitarray.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qdatetime.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qmap.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qregexp.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qstring.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qstringlist.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qstringmatcher.h \
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$$QT_SOURCE_TREE/src/corelib/tools/qunicodetables_p.h \
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$$QT_SOURCE_TREE/src/corelib/kernel/qsystemerror_p.h \
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$$QT_SOURCE_TREE/src/corelib/xml/qxmlstream.h \
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$$QT_SOURCE_TREE/src/corelib/xml/qxmlutils_p.h \
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$$QT_SOURCE_TREE/tools/shared/windows/registry_p.h
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SOURCES = main.cpp configureapp.cpp environment.cpp tools.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qbytearray.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qarraydata.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qbytearraymatcher.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qhash.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qlist.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qlocale.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qlocale_win.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qlocale_tools.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qvector.cpp \
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$$QT_SOURCE_TREE/src/corelib/codecs/qutfcodec.cpp \
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$$QT_SOURCE_TREE/src/corelib/codecs/qtextcodec.cpp \
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$$QT_SOURCE_TREE/src/corelib/global/qglobal.cpp \
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$$QT_SOURCE_TREE/src/corelib/global/qnumeric.cpp \
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$$QT_SOURCE_TREE/src/corelib/global/qlogging.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qbuffer.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qdatastream.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qdir.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qdiriterator.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfiledevice.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfile.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfileinfo.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qabstractfileengine.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystementry.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystemengine.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystemengine_win.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfilesystemiterator_win.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfsfileengine.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfsfileengine_win.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qfsfileengine_iterator.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qiodevice.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qtextstream.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qtemporaryfile.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qstandardpaths.cpp \
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$$QT_SOURCE_TREE/src/corelib/io/qstandardpaths_win.cpp \
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$$QT_SOURCE_TREE/src/corelib/plugin/qsystemlibrary.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qbitarray.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qdatetime.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qmap.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qregexp.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qstring.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qstring_compat.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qstringlist.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qvsnprintf.cpp \
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$$QT_SOURCE_TREE/src/corelib/kernel/qvariant.cpp \
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$$QT_SOURCE_TREE/src/corelib/kernel/qsystemerror.cpp \
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$$QT_SOURCE_TREE/src/corelib/kernel/qmetatype.cpp \
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$$QT_SOURCE_TREE/src/corelib/global/qmalloc.cpp \
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$$QT_SOURCE_TREE/src/corelib/xml/qxmlstream.cpp \
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$$QT_SOURCE_TREE/src/corelib/xml/qxmlutils.cpp \
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$$QT_SOURCE_TREE/src/corelib/plugin/quuid.cpp \
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$$QT_SOURCE_TREE/src/corelib/tools/qcryptographichash.cpp \
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$$QT_SOURCE_TREE/tools/shared/windows/registry.cpp
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DEFINES += COMMERCIAL_VERSION
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