Add a test program for experimenting with lexicographic indices.

[SXSI/xpathcomp.git] / src / lexindex_stub.cpp

diff --git a/src/lexindex_stub.cpp b/src/lexindex_stub.cpp
new file mode 100644 (file)
index 0000000..a09216e
--- /dev/null
+++ b/src/lexindex_stub.cpp
@@ -0,0 +1,76 @@
+#include <cstring>
+#include <utility>
+#include <algorithm>
+#include <vector>
+#include "xml-tree.hpp"
+#include "utils_stub.hpp"
+
+
+//define a type for the lexicographic index
+
+class lex_index {
+public:
+  //The tag ID
+  xml_tree::tag_t tag;
+  //The text data
+  std::vector<std::pair<std::string, xml_tree::node_t> > data;
+};
+
+
+
+using namespace SXSI;
+
+
+static xml_tree*& XMLTREE(value v)
+{
+  return Obj_val<xml_tree*>(v);
+}
+
+static lex_index*& LEXINDEX(value v)
+{
+  return Obj_val<lex_index*>(v);
+}
+
+static xml_tree::node_t TREENODE(value i)
+{
+  return static_cast<xml_tree::node_t>(Int_val(i));
+}
+
+static xml_tree::tag_t TAG(value i)
+{
+  return static_cast<xml_tree::tag_t>(Int_val(i));
+}
+
+
+
+
+extern "C" value caml_build_lex_index(value vtree, value vtag)
+{
+  CAMLparam2(vtree, vtag);
+  CAMLlocal1(vindex);
+  vindex = sxsi_alloc_custom<lex_index*>();
+  xml_tree * tree = XMLTREE(vtree);
+  xml_tree::tag_t tag = TAG(vtag);
+
+  //Uncomment the following and comment the failwith line
+  //LEXINDEX(vindex) = ... return a lex_index* ....
+
+
+  caml_failwith("build_lex_index not implemented");
+
+
+  CAMLreturn (vindex);
+}
+
+extern "C" value caml_print_lex_index(value vindex)
+{
+  CAMLparam1(vindex);
+  lex_index* index = LEXINDEX(vindex);
+
+  //Print the index to the terminal
+
+  caml_failwith("print_lex_index not implemented");
+
+
+  CAMLreturn (Val_unit);
+}