From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 31 Oct 2001 02:42:50 +0000 (+0000)
Subject: made wxFileName::Set/GetTimes() work under Win32
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/d56e2b972fcf1c8948d65242a697c77a004972a6?ds=sidebyside

made wxFileName::Set/GetTimes() work under Win32


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12225 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/samples/console/console.cpp b/samples/console/console.cpp
index 7795300fae..891c05f4e7 100644
--- a/samples/console/console.cpp
+++ b/samples/console/console.cpp
@@ -43,7 +43,7 @@
 
 //#define TEST_ARRAYS
 //#define TEST_CHARSET
-#define TEST_CMDLINE
+//#define TEST_CMDLINE
 //#define TEST_DATETIME
 //#define TEST_DIR
 //#define TEST_DLLLOADER
@@ -52,6 +52,7 @@
 //#define TEST_FILE
 //#define TEST_FILECONF
 //#define TEST_FILENAME
+#define TEST_FILETIME
 //#define TEST_FTP
 //#define TEST_HASH
 //#define TEST_INFO_FUNCTIONS
@@ -64,7 +65,7 @@
 //#define TEST_REGCONF
 //#define TEST_REGEX
 //#define TEST_REGISTRY
-#define TEST_SNGLINST
+//#define TEST_SNGLINST
 //#define TEST_SOCKETS
 //#define TEST_STREAMS
 //#define TEST_STRINGS
@@ -788,6 +789,48 @@ static void TestFileNameCwd()
 
 #endif // TEST_FILENAME
 
+// ----------------------------------------------------------------------------
+// wxFileName time functions
+// ----------------------------------------------------------------------------
+
+#ifdef TEST_FILETIME
+
+#include <wx/filename.h>
+#include <wx/datetime.h>
+
+static void TestFileGetTimes()
+{
+    wxFileName fn(_T("testdata.fc"));
+
+    wxDateTime dtAccess, dtMod, dtChange;
+    if ( !fn.GetTimes(&dtAccess, &dtMod, &dtChange) )
+    {
+        wxPrintf(_T("ERROR: GetTimes() failed.\n"));
+    }
+    else
+    {
+        static const wxChar *fmt = _T("%Y-%b-%d %H:%M:%S");
+
+        wxPrintf(_T("File times for '%s':\n"), fn.GetFullPath().c_str());
+        wxPrintf(_T("Access:      \t%s\n"), dtAccess.Format(fmt).c_str());
+        wxPrintf(_T("Mod/creation:\t%s\n"), dtMod.Format(fmt).c_str());
+        wxPrintf(_T("Change:      \t%s\n"), dtChange.Format(fmt).c_str());
+    }
+}
+
+static void TestFileSetTimes()
+{
+    wxFileName fn(_T("testdata.fc"));
+
+    wxDateTime dtAccess, dtMod, dtChange;
+    if ( !fn.Touch() )
+    {
+        wxPrintf(_T("ERROR: Touch() failed.\n"));
+    }
+}
+
+#endif // TEST_FILETIME
+
 // ----------------------------------------------------------------------------
 // wxHashTable
 // ----------------------------------------------------------------------------
@@ -5078,6 +5121,11 @@ int main(int argc, char **argv)
     }
 #endif // TEST_FILENAME
 
+#ifdef TEST_FILETIME
+    TestFileGetTimes();
+    TestFileSetTimes();
+#endif // TEST_FILETIME
+
 #ifdef TEST_FTP
     wxLog::AddTraceMask(FTP_TRACE_MASK);
     if ( TestFtpConnect() )
diff --git a/src/common/filename.cpp b/src/common/filename.cpp
index 33361e5ba6..ec00ae7bed 100644
--- a/src/common/filename.cpp
+++ b/src/common/filename.cpp
@@ -120,14 +120,32 @@ private:
 // convert between wxDateTime and FILETIME which is a 64-bit value representing
 // the number of 100-nanosecond intervals since January 1, 1601.
 
-static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
+// the number of milliseconds between the Unix Epoch (January 1, 1970) and the
+// FILETIME reference point (January 1, 1601)
+static const wxLongLong FILETIME_EPOCH_OFFSET = wxLongLong(0xa97, 0x30b66800);
+
+static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
 {
-    // TODO
+    wxLongLong ll(ft.dwHighDateTime, ft.dwLowDateTime);
+
+    // convert 100ns to ms
+    ll /= 10000;
+
+    // move it to our Epoch
+    ll -= FILETIME_EPOCH_OFFSET;
+
+    *dt = wxDateTime(ll);
 }
 
-static void ConvertFileTimeToWx(wxDateTime *dt, const FILETIME &ft)
+static void ConvertWxToFileTime(FILETIME *ft, const wxDateTime& dt)
 {
-    // TODO
+    // do the reverse of ConvertFileTimeToWx()
+    wxLongLong ll = dt.GetValue();
+    ll *= 10000;
+    ll += FILETIME_EPOCH_OFFSET;
+
+    ft->dwHighDateTime = ll.GetHi();
+    ft->dwLowDateTime = ll.GetLo();
 }
 
 #endif // __WIN32__