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){
74 // int tag = tree->Tag(id);
76 tid = tree->PrevText(id);
77 char * data = (char *) (tree->getTextCollection())->GetText(tid);
78 if (tree->IsLeaf(id)){
79 tid = tree->MyText(id);
81 data = (char*) (tree->getTextCollection())->GetText(tid);
84 if (tree->NextSibling(id) == NULLT){
85 tid = tree->NextText(id);
86 data = (char*) (tree->getTextCollection())->GetText(tid);
89 traversal_rec(tree,tree->FirstChild(id));
90 traversal_rec(tree,tree->NextSibling(id));
94 extern "C" CAMLprim value caml_cpp_traversal(value tree){
96 traversal_rec(XMLTREE(tree),XMLTREE(tree)->Root());
100 extern "C" CAMLprim value caml_text_collection_get_text(value tree, value id){
102 const char* txt = (const char*) (XMLTREE(tree)->GetText((DocID) Int_val(id)));
103 CAMLreturn (caml_copy_string(txt));
105 extern "C" CAMLprim value caml_text_collection_empty_text(value tree,value id){
107 CAMLreturn ( Val_int((XMLTREE(tree))->EmptyText((DocID) Int_val(id))));
110 extern "C" CAMLprim value caml_text_collection_is_contains(value tree,value str){
111 CAMLparam2(tree,str);
112 uchar * cstr = (uchar *) String_val(str);
113 CAMLreturn ( Val_bool((int) XMLTREE(tree)->IsContains(cstr)));
116 extern "C" CAMLprim value caml_text_collection_count_contains(value tree,value str){
117 CAMLparam2(tree,str);
118 uchar * cstr = (uchar *) String_val(str);
119 CAMLreturn (Val_int((XMLTREE(tree)->CountContains(cstr))));
123 extern "C" CAMLprim value caml_text_collection_contains(value tree,value str){
124 CAMLparam2(tree,str);
125 CAMLlocal1(resarray);
126 uchar * cstr = (uchar *) String_val(str);
127 std::vector<DocID> results;
128 results = XMLTREE(tree)->Contains(cstr);
130 resarray = caml_alloc_tuple(results.size());
132 for (unsigned int i=0; i<results.size();i++){
133 caml_initialize(&Field(resarray,i),Val_int(results[i]));
135 CAMLreturn (resarray);
139 extern "C" CAMLprim value caml_xml_tree_root(value tree){
141 CAMLreturn (TREENODEVAL(XMLTREE(tree)->Root()));
143 extern "C" CAMLprim value caml_xml_tree_text_collection(value tree){
145 CAMLreturn((value) XMLTREE(tree)->getTextCollection());
147 extern "C" CAMLprim value caml_xml_tree_parent(value tree, value id){
149 CAMLreturn(Val_int (XMLTREE(tree)->Parent(TREENODEVAL(id))));
151 extern "C" CAMLprim value caml_xml_tree_parent_doc(value tree, value id){
153 CAMLreturn(Val_int (XMLTREE(tree)->ParentNode(TREENODEVAL(id))));
156 extern "C" CAMLprim value caml_xml_tree_is_ancestor(value tree,value id1, value id2) {
157 CAMLparam3(tree,id1,id2);
158 CAMLreturn(Val_bool (XMLTREE(tree)->IsAncestor(TREENODEVAL(id1),TREENODEVAL(id2))));
161 extern "C" CAMLprim value caml_xml_tree_serialize(value tree, value filename){
162 CAMLparam2(tree,filename);
163 NOT_IMPLEMENTED("caml_xml_tree_serialize");
164 CAMLreturn(Val_unit);
167 extern "C" CAMLprim value caml_xml_tree_unserialize(value filename){
168 CAMLparam1(filename);
169 NOT_IMPLEMENTED("caml_xml_tree_unserialize");
170 CAMLreturn(Val_unit);
174 extern "C" CAMLprim value caml_xml_tree_first_child(value tree, value id){
176 CAMLreturn(Val_int (XMLTREE(tree)->FirstChild(TREENODEVAL(id))));
179 extern "C" CAMLprim value caml_xml_tree_is_leaf(value tree, value id){
181 CAMLreturn(Val_bool (XMLTREE(tree)->IsLeaf(TREENODEVAL(id))));
184 extern "C" CAMLprim value caml_xml_tree_next_sibling(value tree, value id){
186 CAMLreturn(Val_int (XMLTREE(tree)->NextSibling(TREENODEVAL(id))));
189 extern "C" CAMLprim value caml_xml_tree_prev_text(value tree, value id){
192 CAMLreturn(Val_int((XMLTREE(tree)->PrevText(TREENODEVAL(id)))));
195 extern "C" CAMLprim value caml_xml_tree_next_text(value tree, value id){
197 CAMLreturn(Val_int((XMLTREE(tree)->NextText(TREENODEVAL(id)))));
199 extern "C" CAMLprim value caml_xml_tree_my_text(value tree, value id){
201 CAMLreturn(Val_int((XMLTREE(tree)->MyText(TREENODEVAL(id)))));
204 extern "C" CAMLprim value caml_xml_tree_text_xml_id(value tree, value id){
206 CAMLreturn(Val_int((XMLTREE(tree)->TextXMLId(TREENODEVAL(id)))));
208 extern "C" CAMLprim value caml_xml_tree_node_xml_id(value tree, value id){
210 CAMLreturn(Val_int((XMLTREE(tree)->NodeXMLId(TREENODEVAL(id)))));
212 extern "C" CAMLprim value caml_xml_tree_tag(value tree, value id){
215 tag =(const char*) XMLTREE(tree)->GetTagName(XMLTREE(tree)->Tag(TREENODEVAL(id)));
217 CAMLreturn (caml_copy_string(tag));
219 extern "C" CAMLprim value caml_xml_tree_tag_id(value tree,value id){
221 CAMLreturn (Val_int(XMLTREE(tree)->Tag(TREENODEVAL(id))));
224 extern "C" CAMLprim value caml_xml_tree_register_tag(value tree,value str){
225 CAMLparam2(tree,str);
228 tag = (unsigned char*) (String_val(str));
229 id = Val_int(XMLTREE(tree)->RegisterTag(tag));
234 extern "C" CAMLprim value caml_xml_tree_nullt(value unit){