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

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

@@ -0,0 +1,66 @@
+/* $XConsortium: EntityScope.h /main/2 1996/07/18 16:43:47 drk $ */
+#ifndef ENT_SCOPE_HDR
+#define ENT_SCOPE_HDR
+
+#include "EntityList.h"
+
+class EntityScope {
+private:
+  EntityList *currentEntityScope;
+
+public:
+  void push ( EntityList *escope ) {
+    escope->next = currentEntityScope;
+    currentEntityScope = escope;
+  }
+
+  EntityList *pop();
+  EntityList *GetTopEntities() const { return(currentEntityScope); }
+
+  SGMLDefn *LookupEntity( int ename );
+
+  /*
+   * Constructor EntityScope creates a topmost entitylist
+   * so the stack will contain an element after it is constructed
+   */
+  
+  EntityScope() { currentEntityScope = new EntityList(); }
+  ~EntityScope();
+
+};
+
+//----------------------------------------------------------------
+inline
+SGMLDefn *
+EntityScope::LookupEntity( int ename )
+{
+  return ( currentEntityScope->lookup( ename ) );
+}
+
+//-----------------------------------------------------------------
+inline
+EntityList *
+EntityScope::pop()
+{
+  EntityList *ptr;
+  
+  ptr = currentEntityScope;
+  currentEntityScope = ptr->next;
+  return ( ptr );
+}
+
+//-----------------------------------------------------------------
+inline
+EntityScope::~EntityScope()
+{
+  EntityList *pt = currentEntityScope;
+  while( pt ) {
+    EntityList *tmp = pt;
+    pt = pt->next;
+    delete tmp;
+  }
+}
+
+#endif
+
+