1 files changed, 41 insertions, 0 deletions
diff --git a/Src/Wasabi/bfc/bitlist.h b/Src/Wasabi/bfc/bitlist.h
new file mode 100644
index 00000000..b73dcd19
--- /dev/null
+++ b/Src/Wasabi/bfc/bitlist.h
@@ -0,0 +1,41 @@
+#ifndef _BITLIST_H
+#define _BITLIST_H
+
+#include "memblock.h"
+
+class BitList {
+public:
+  BitList(unsigned int size=0) {
+    setSize(size);
+  }
+
+  int getitem(int n) const { 
+    if (n < 0 || n >= m_size) return 0; 
+    return (m_list[n>>3]>>(n&7))&1;
+  }
+  void setitem(int n, int v) {
+    if (n >= 0 && n < m_size) {
+      int lv=1<<(n&7);
+      if (v) m_list[n>>3]|=lv;
+      else m_list[n>>3]&=~lv;
+    }
+  }
+  
+  int operator[](int n) const { return getitem(n); }
+
+  int getSize() const {	// in bits
+    return m_size;
+  }
+  void setSize(unsigned int newsize) {
+    m_list.setSize((newsize+7)>>3);
+    m_size = newsize;
+  }
+  
+  int getsize() const { return m_size; }
+
+private:
+  MemBlock< uint8_t> m_list;
+  int m_size;
+};
+
+#endif