Changeset 2151:38ec4a930c05 in lemon-0.x for lemon/refptr.h

Timestamp:

07/18/06 15:29:59 (18 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@2865

Message:

exceptionName() has been thrown away

File:

• lemon/refptr.h (modified) (2 diffs)

lemon/refptr.h

@@ -46 +46 @@
     void attach(RefPtr &r) 
     {
-      prev=&r; next=r.next; ref=r.ref;
-      r.next=this;
+      if(r.ref) {
+        prev=&r; next=r.next; ref=r.ref;
+        r.next=this;
+      }
     }
     void attach(const T *p) 
@@ -140 +142 @@
     operator bool() const { return ref; }
 
+    ///\e
+    const RefPtr &borrow(const T* &p) { 
+      lock();
+      if(ref==p) {
+        if(prev) prev->next=next;
+        if(next) next->prev=prev;
+      }
+      else release();
+      ref=p;
+      next=prev=this;
+      unlock();
+      return *this;
+    }
+    
+    ///\e
+    const RefPtr &borrow() { 
+      lock();
+      if(prev) prev->next=next;
+      if(next) next->prev=prev;
+      next=prev=this;
+      unlock();
+      return *this;
+    }
+    
   };  //END OF CLASS REFPTR