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

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

@@ -0,0 +1,61 @@
+/* $XConsortium: Resolver.h /main/4 1996/06/11 17:08:28 cde-hal $ */
+#ifndef _Resolver_h
+#define _Resolver_h
+
+class Element;
+class Symbol;
+class FeatureSet;
+class PathTable;
+class Renderer;
+class ResolverStack;
+
+#include "SSPath.h"
+#include "ResolverStack.h"
+#include "Exceptions.hh"
+
+
+/* **************************************************************
+
+   the Resolver is responsible for taking input from the NodeParser,
+   getting a feature set from the Style Sheet and passing it on to a
+   Renderer 
+
+   - get Element input from NodeParser
+   - consult Style Sheet PathTable to get raw FeatureSet
+   - evaluate feature set to resolve variables and expressions
+   - merge with parent complete feature set to get complete feature
+     set 
+   - pass data to Renderer (Element, localFeatures, completeFeatures)
+
+ * ************************************************************** */
+
+
+
+class Resolver : public Destructable
+{
+public:
+  Resolver(PathTable& pTable, Renderer& r);
+  ~Resolver();
+
+  // beginElement returns a non-zero value if element is to be ignored
+  unsigned int beginElement(Element*);
+  void data(const char* data, unsigned int data_length);
+  void endElement(const Symbol&);
+
+  // called before any data 
+  virtual void Begin();
+  // called after all data 
+  virtual void End();
+
+private:
+  SSPath		f_path ;
+  ResolverStack	        f_resolverStack;
+  PathTable	       &f_pathTable;
+
+   // NOTE: this one could be a pointer so we can change them on the fly
+  Renderer	       &f_Renderer;
+
+};
+
+#endif /* _Resolver_h */
+/* DO NOT ADD ANY LINES AFTER THIS #endif */