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

cde/programs/dtinfo/DtMmdb/StyleSheet/Feature.C

@@ -0,0 +1,68 @@
+// $XConsortium: Feature.cc /main/3 1996/06/11 17:06:39 cde-hal $
+#include "SymTab.h"
+#include "Feature.h"
+#include "FeatureValue.h"
+#include <assert.h>
+#include <stdarg.h>
+
+Feature::Feature(const Symbol &name, FeatureValue *value)
+: f_name(name),
+  f_value(value)
+{
+}
+
+Feature::Feature(const Feature &orig_feature)
+: f_name(orig_feature.name()),
+  f_value(orig_feature.value()->clone())
+{
+}
+
+unsigned int Feature::operator==(const Feature &f )
+{
+  return f.name() == f_name;
+}
+
+Feature::~Feature()
+{
+  delete f_value ;
+}
+
+FeatureValue *
+Feature::evaluate() const
+{
+  
+  return f_value->evaluate();
+
+}
+
+// /////////////////////////////////////////////////////////////////////////
+// Printing
+// /////////////////////////////////////////////////////////////////////////
+
+ostream &operator << (ostream &o, const Feature &f)
+{
+  return f.print(o);
+}
+
+ostream &
+Feature::print(ostream &o) const
+{
+  return o << f_name << ": " << *f_value ;
+}
+
+
+void
+Feature::merge(const Feature &feature_to_merge)
+{
+  assert(f_name == feature_to_merge.name());
+
+  if (*f_value == *feature_to_merge.value())
+    ;
+  else
+    {
+      FeatureValue *new_value = f_value->merge(*feature_to_merge.value());
+      delete f_value ;
+      f_value = new_value ;
+    }
+}
+