Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/DtMmdb/StyleSheet/BitVector.h

@@ -0,0 +1,72 @@
+/* $XConsortium: BitVector.h /main/4 1996/08/21 15:49:59 drk $ */
+
+#ifndef _BitVector_h
+#define _BitVector_h 1
+
+#include <stream.h>
+
+#ifndef CDE_NEXT
+
+#else
+//#include <StyleSheet/cde_next.h>
+#include "dti_cc/CC_Slist.h"
+#endif
+
+#define WORD_SIZE 32
+
+class posRecord
+{
+public:
+   posRecord(unsigned int x = 0, unsigned int y = 0) : 
+	pathTermPos(x), bitPos(y) {};
+   ~posRecord() {};
+
+   unsigned int operator ==(const posRecord&);
+
+public:
+   unsigned int pathTermPos;
+   unsigned int bitPos;
+};
+
+typedef CC_TValSlist<posRecord> positionArrayT;
+typedef CC_TValSlistIterator<posRecord> positionArrayIteratorT;
+
+///////////////////////////////////////////////////////
+// A storage/manipulation efficient bit vector class
+///////////////////////////////////////////////////////
+class BitVector 
+{
+   positionArrayT *f_positionArray;
+   unsigned int *f_array;
+   unsigned int f_bits;
+   unsigned int f_words;
+
+public:
+   BitVector(int bits, unsigned int initValue);
+   ~BitVector();
+
+//
+// bits range: 0 .. bits-1
+// the 0th bit is LSB, the (bits-1)th bit is MSB
+//
+   void setAllBitsTo(unsigned int);
+   void setTo(BitVector&);
+
+   void recordPositions(unsigned int pathTermPos, unsigned int BitPos);
+   positionArrayT* positionArray() { return f_positionArray; };
+
+   void setBitTo(int i, unsigned int);
+   unsigned int getBit(int i);
+
+   BitVector& operator &=(BitVector&);
+   BitVector& operator ^=(BitVector&);
+   BitVector& operator |=(BitVector&);
+
+// Note: the MSB is set to 1 after each shiftRightOneBit() call.
+   BitVector& shiftRightOneBit();
+   BitVector& shiftLeftOneBit();
+
+   friend ostream& operator<<(ostream&, BitVector&);
+};
+
+#endif