Changeset 8071 for trunk/MagicSoft/Mars/mbase

Timestamp:

10/15/06 16:44:55 (18 years ago)

Author:

tbretz

Message:

*** empty log message ***

Location:

trunk/MagicSoft/Mars/mbase

Files:

• MEnv.cc (modified) (1 diff)
• MEnv.h (modified) (1 diff)

trunk/MagicSoft/Mars/mbase/MEnv.cc

@@ -48 +48 @@
 
 using namespace std;
+
+//---------------------------------------------------------------------------
+//
+// (Default) constructor. If the given file cannot be accessed the data
+// member fName is set to "" which can then be checked by IsValid()
+//
+MEnv::MEnv(const char *name) : TEnv(name), fName(name)
+{
+    fChecked.SetOwner();
+
+    if (fName.IsNull())
+        return;
+
+    TString fname(name);
+    gSystem->ExpandPathName(fname);
+
+    if (gSystem->AccessPathName(fname, kFileExists))
+        fName = "";
+}
 
 //---------------------------------------------------------------------------

trunk/MagicSoft/Mars/mbase/MEnv.h

@@ -26 +26 @@
 
 public:
-    MEnv(const char *name="") : TEnv(name), fName(name) { fChecked.SetOwner(); }
+    MEnv(const char *name="");
+
+    Bool_t      IsValid() const { return !fName.IsNull(); }
 
     TObject    *Clone(const char *newname="") const;