1 /**************************************
4 * A Test Ocaml Driver which calls the C++ methods and
5 * adds a C wrapper interface with OCaml code.
11 /* OCaml memory managment */
13 #include <caml/mlvalues.h>
14 #include <caml/alloc.h>
15 #include <caml/memory.h>
16 #include <caml/callback.h>
17 #include <caml/fail.h>
20 #include "TextCollection/TextCollection.h"
21 #include "XMLDocShredder.h"
25 #define CAMLRAISECPP(e) (caml_failwith( ((e).what())))
26 #define NOT_IMPLEMENTED(s) (caml_failwith(s))
27 #define XMLTREE(x) ((XMLTree *)(x))
28 #define TEXTCOLLECTION(x)
29 #define TREENODEVAL(i) ((treeNode) (Int_val(i)))
31 extern "C" CAMLprim value caml_call_shredder_uri(value uri){
34 char *fn = String_val(uri);
36 XMLDocShredder shredder(fn);
37 shredder.processStartDocument(fn);
39 shredder.processEndDocument();
40 doc = (value) shredder.storageIfc_->returnDocument();
44 catch (const std::exception& e){
50 extern "C" CAMLprim value caml_call_shredder_string(value data){
53 unsigned int ln = string_length(data);
54 unsigned char *fn = (unsigned char*) String_val(data);
57 XMLDocShredder shredder(fn,ln);
58 shredder.processStartDocument("");
60 shredder.processEndDocument();
61 doc = (value) shredder.storageIfc_->returnDocument();
65 catch (const std::exception& e) {
70 void traversal_rec(XMLTree* tree, treeNode id){
73 char * tag = (char*)tree->GetTagName(tree->Tag(id));
75 DocID tid = tree->PrevText(id);
76 char * data = (char *) (tree->getTextCollection())->GetText(tid);
77 if (tree->IsLeaf(id)){
78 tid = tree->MyText(id);
79 data = (char*) (tree->getTextCollection())->GetText(tid);
82 if (tree->NextSibling(id) == NULLT){
83 tid = tree->NextText(id);
84 data = (char*) (tree->getTextCollection())->GetText(tid);
87 traversal_rec(tree,tree->FirstChild(id));
88 traversal_rec(tree,tree->NextSibling(id));
92 void traversal (XMLTree* tree){
93 traversal_rec(tree, tree->Root());
98 extern "C" CAMLprim value caml_cpp_traversal(value tree){
100 traversal(XMLTREE(tree));
101 CAMLreturn(Val_unit);
105 extern "C" CAMLprim value caml_text_collection_get_text(value tc, value id){
108 const char* txt = (const char*) ((TextCollection*) tc)->GetText((DocID) Int_val(id));
109 CAMLreturn (caml_copy_string(txt));
111 extern "C" CAMLprim value caml_text_collection_empty_text(value tc,value id){
113 CAMLreturn ( Val_int(((TextCollection*) tc)->EmptyText((DocID) Int_val(id))));
116 extern "C" CAMLprim value caml_xml_tree_root(value tree){
118 CAMLreturn (TREENODEVAL(XMLTREE(tree)->Root()));
120 extern "C" CAMLprim value caml_xml_tree_text_collection(value tree){
122 CAMLreturn((value) XMLTREE(tree)->getTextCollection());
125 extern "C" CAMLprim value caml_xml_tree_first_child(value tree, value id){
127 CAMLreturn(Val_int (XMLTREE(tree)->FirstChild(TREENODEVAL(id))));
130 extern "C" CAMLprim value caml_xml_tree_is_leaf(value tree, value id){
132 CAMLreturn(Val_bool (XMLTREE(tree)->IsLeaf(TREENODEVAL(id))));
135 extern "C" CAMLprim value caml_xml_tree_next_sibling(value tree, value id){
137 CAMLreturn(Val_int (XMLTREE(tree)->NextSibling(TREENODEVAL(id))));
140 extern "C" CAMLprim value caml_xml_tree_prev_text(value tree, value id){
143 CAMLreturn(Val_int((XMLTREE(tree)->PrevText(TREENODEVAL(id)))));
146 extern "C" CAMLprim value caml_xml_tree_next_text(value tree, value id){
148 CAMLreturn(Val_int((XMLTREE(tree)->NextText(TREENODEVAL(id)))));
150 extern "C" CAMLprim value caml_xml_tree_my_text(value tree, value id){
152 CAMLreturn(Val_int((XMLTREE(tree)->MyText(TREENODEVAL(id)))));
155 extern "C" CAMLprim value caml_xml_tree_text_xml_id(value tree, value id){
158 NOT_IMPLEMENTED("caml_xml_tree_text_xml_id");
159 CAMLreturn (Val_unit);
161 extern "C" CAMLprim value caml_xml_tree_node_xml_id(value tree, value id){
164 NOT_IMPLEMENTED("caml_xml_tree_node_xml_id");
165 CAMLreturn (Val_unit);
167 extern "C" CAMLprim value caml_xml_tree_tag(value tree, value id){
170 tag =(const char*) XMLTREE(tree)->GetTagName(XMLTREE(tree)->Tag(TREENODEVAL(id)));
172 CAMLreturn (caml_copy_string(tag));
174 extern "C" CAMLprim value caml_xml_tree_nullt(value unit){