diff options
Diffstat (limited to 'library/cmp_filetime.h')
-rw-r--r-- | library/cmp_filetime.h | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/library/cmp_filetime.h b/library/cmp_filetime.h deleted file mode 100644 index 24b331c6..00000000 --- a/library/cmp_filetime.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef CMP_FILETIME_H_INCLUDED -#define CMP_FILETIME_H_INCLUDED - -#include <wx/stopwatch.h> -#include "../shared/int64.h" - -namespace zen -{ -//--------------------------------------------------------------------------------------------------------------- -inline -bool sameFileTime(const Int64& a, const Int64& b, size_t tolerance) -{ - if (a < b) - return b <= a + static_cast<int>(tolerance); - else - return a <= b + static_cast<int>(tolerance); -} -//--------------------------------------------------------------------------------------------------------------- - -class CmpFileTime -{ -public: - CmpFileTime(size_t tolerance) : tolerance_(tolerance) {} - - enum Result - { - TIME_EQUAL, - TIME_LEFT_NEWER, - TIME_RIGHT_NEWER, - TIME_LEFT_INVALID, - TIME_RIGHT_INVALID - }; - - Result getResult(const Int64& lhs, const Int64& rhs) const - { - if (lhs == rhs) - return TIME_EQUAL; - - //number of seconds since Jan 1st 1970 + 1 year (needn't be too precise) - static const long oneYearFromNow = wxGetUTCTime() + 365 * 24 * 3600; //static in header: not a big deal in this case! - - //check for erroneous dates (but only if dates are not (EXACTLY) the same) - if (lhs < 0 || lhs > oneYearFromNow) //earlier than Jan 1st 1970 or more than one year in future - return TIME_LEFT_INVALID; - - if (rhs < 0 || rhs > oneYearFromNow) - return TIME_RIGHT_INVALID; - - if (sameFileTime(lhs, rhs, tolerance_)) //last write time may differ by up to 2 seconds (NTFS vs FAT32) - return TIME_EQUAL; - - //regular time comparison - if (lhs < rhs) - return TIME_RIGHT_NEWER; - else - return TIME_LEFT_NEWER; - } - -private: - const size_t tolerance_; -}; -} - -#endif // CMP_FILETIME_H_INCLUDED |