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-rw-r--r--gnu/lib/libg++/g++-include/Set.ccP116
1 files changed, 116 insertions, 0 deletions
diff --git a/gnu/lib/libg++/g++-include/Set.ccP b/gnu/lib/libg++/g++-include/Set.ccP
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+++ b/gnu/lib/libg++/g++-include/Set.ccP
@@ -0,0 +1,116 @@
+// This may look like C code, but it is really -*- C++ -*-
+/*
+Copyright (C) 1988 Free Software Foundation
+ written by Doug Lea (dl@rocky.oswego.edu)
+
+This file is part of the GNU C++ Library. This library is free
+software; you can redistribute it and/or modify it under the terms of
+the GNU Library General Public License as published by the Free
+Software Foundation; either version 2 of the License, or (at your
+option) any later version. This library is distributed in the hope
+that it will be useful, but WITHOUT ANY WARRANTY; without even the
+implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+PURPOSE. See the GNU Library General Public License for more details.
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+#include <builtin.h>
+#include "<T>.Set.h"
+
+
+Pix <T>Set::seek(<T&> item)
+{
+ for (Pix i = first(); i != 0 && !(<T>EQ((*this)(i), item)); next(i));
+ return i;
+}
+
+int <T>Set::owns(Pix idx)
+{
+ if (idx == 0) return 0;
+ for (Pix i = first(); i; next(i)) if (i == idx) return 1;
+ return 0;
+}
+
+void <T>Set::clear()
+{
+ Pix i = first();
+ while (i != 0)
+ {
+ del((*this)(i));
+ i = first();
+ }
+}
+
+int <T>Set::contains (<T&> item)
+{
+ return seek(item) != 0;
+}
+
+int <T>Set::operator <= (<T>Set& b)
+{
+ if (count > b.count) return 0;
+ if (count == 0) return 1;
+ for (Pix i = first(); i; next(i)) if (b.seek((*this)(i)) == 0) return 0;
+ return 1;
+}
+
+int <T>Set::operator == (<T>Set& b)
+{
+ int n = count;
+ if (n != b.count) return 0;
+ if (n == 0) return 1;
+ Pix i = first();
+ Pix j = b.first();
+ while (n-- > 0)
+ {
+ if ((b.seek((*this)(i)) == 0) || (seek(b(j)) == 0)) return 0;
+ next(i);
+ b.next(j);
+ }
+ return 1;
+}
+
+int <T>Set::operator != (<T>Set& b)
+{
+ return !(*this == b);
+}
+
+void <T>Set::operator |= (<T>Set& b)
+{
+ if (&b != this)
+ for (Pix i = b.first(); i; b.next(i)) add(b(i));
+}
+
+void <T>Set::operator -= (<T>Set& b)
+{
+ if (&b == this)
+ clear();
+ else
+ for (Pix i = b.first(); i; b.next(i)) del(b(i));
+}
+
+
+void <T>Set::operator &= (<T>Set& b)
+{
+ if (&b != this)
+ {
+ Pix i = first();
+ Pix n = i;
+ while (i != 0)
+ {
+ next(n);
+ if (b.seek((*this)(i)) == 0) del((*this)(i));
+ i = n;
+ }
+ }
+}
+
+void <T>Set::error(const char* msg)
+{
+ (*lib_error_handler)("Set", msg);
+}