/src/libtomahawk/thirdparty/kdsingleapplicationguard/kdtoolsglobal.cpp
http://github.com/tomahawk-player/tomahawk · C++ · 32 lines · 26 code · 6 blank · 0 comment · 12 complexity · 7415d1beede3dbe4de562432804b853d MD5 · raw file
- #include "kdtoolsglobal.h"
- #include <QByteArray>
- #include <algorithm>
- namespace {
- struct Version {
- unsigned char v[3];
- };
- static inline bool operator<( const Version & lhs, const Version & rhs ) {
- return std::lexicographical_compare( lhs.v, lhs.v + 3, rhs.v, rhs.v + 3 );
- }
- static inline bool operator==( const Version & lhs, const Version & rhs ) {
- return std::equal( lhs.v, lhs.v + 3, rhs.v );
- }
- KDTOOLS_MAKE_RELATION_OPERATORS( Version, static inline )
- }
- static Version kdParseQtVersion( const char * const version ) {
- if ( !version || qstrlen( version ) < 5 || version[1] != '.' || version[3] != '.' || ( version[5] != 0 && version[5] != '.' && version[5] != '-' ) )
- return Version(); // parse error
- const Version result = { { version[0] - '0', version[2] - '0', version[4] - '0' } };
- return result;
- }
- bool _kdCheckQtVersion_impl( int major, int minor, int patchlevel ) {
- static const Version actual = kdParseQtVersion( qVersion() ); // do this only once each run...
- const Version requested = { { major, minor, patchlevel } };
- return actual >= requested;
- }