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

cde/programs/dtinfo/dtinfogen/infolib/etc/FlexBuffer.h

@@ -0,0 +1,43 @@
+/* $XConsortium: FlexBuffer.h /main/2 1996/07/18 16:45:28 drk $ */
+#ifndef FLEX_BFR_HDR
+#define FLEX_BFR_HDR
+
+#include <stddef.h>
+#include <iostream.h>
+
+class FlexBuffer {
+  
+friend ostream &operator<< ( ostream &s, FlexBuffer &);
+
+private:
+  int pos;
+  int maxSize;
+  char *HeadPtr;
+
+  void grow(size_t);
+  
+public:
+  void write( const char *ch, size_t n );
+  void writeStr ( const char *ch );
+  void put( char );
+
+  void reset() { pos = 0; };
+  
+  int GetSize()          { return( pos ); }
+  const char *GetBuffer()  { grow(pos); HeadPtr[pos] = 0; return(HeadPtr); }
+
+  FlexBuffer();
+  ~FlexBuffer() { delete [] HeadPtr; }
+ 
+  FlexBuffer &operator+ ( FlexBuffer & );
+
+};  
+  
+inline  void FlexBuffer::put( char c )
+{
+  grow( pos + 1 );
+  *(HeadPtr + pos) = c;
+  pos += 1;
+} 
+
+#endif