Start tracking libxsd-frontend with git

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diff --git a/xsd-frontend/transformations/schema-per-type.hxx b/xsd-frontend/transformations/schema-per-type.hxx
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+// file      : xsd-frontend/transformations/schema-per-type.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2006-2009 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef XSD_FRONTEND_TRANSFORMATIONS_SCHEMA_PER_TYPE_HXX
+#define XSD_FRONTEND_TRANSFORMATIONS_SCHEMA_PER_TYPE_HXX
+
+#include <cult/types.hxx>
+#include <cult/containers/vector.hxx>
+
+#include <xsd-frontend/semantic-graph/elements.hxx> // Path
+#include <xsd-frontend/semantic-graph/schema.hxx>
+
+namespace XSDFrontend
+{
+  namespace Transformations
+  {
+    using namespace Cult::Types;
+
+    class TypeSchemaTranslator
+    {
+    public:
+      virtual
+      ~TypeSchemaTranslator ();
+
+      virtual WideString
+      translate (WideString const& ns, WideString const& name) = 0;
+    };
+
+    // This transformation restructures the semantic graph to have
+    // each type definition in a seperate schema file.
+    //
+    class SchemaPerType
+    {
+    public:
+      struct Failed {};
+
+      // If a type of an element or attribute has a context entry
+      // with the by_value_key key and it is true, then the schema
+      // for this type is included "strongly".
+      //
+      SchemaPerType (TypeSchemaTranslator&, Char const* by_value_key = 0);
+
+      Cult::Containers::Vector<SemanticGraph::Schema*>
+      transform (SemanticGraph::Schema&);
+
+    private:
+      Char const* by_value_key_;
+      TypeSchemaTranslator& trans_;
+    };
+  }
+}
+
+#endif // XSD_FRONTEND_TRANSFORMATIONS_SCHEMA_PER_TYPE_HXX