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>
18 #include <caml/custom.h>
23 //#include "TextCollection/TextCollection.h"
24 #include "XMLDocShredder.h"
28 #define CAMLRAISECPP(e) (caml_failwith( ((e).what())))
29 #define NOT_IMPLEMENTED(s) (caml_failwith(s))
30 #define XMLTREE(x) ((XMLTree *)(* (XMLTree**) Data_custom_val(x)))
31 #define TEXTCOLLECTION(x)
32 #define TREENODEVAL(i) ((treeNode) (Int_val(i)))
35 static struct custom_operations ops;
36 static bool initialized = false;
38 extern "C" void caml_xml_tree_finalize(value tree){
43 extern "C" void caml_init_ops () {
47 ops.identifier = (char*) "XMLTree";
48 ops.finalize = caml_xml_tree_finalize;
52 extern "C" CAMLprim value caml_call_shredder_uri(value uri,value sf, value iet, value dtc){
55 char *fn = String_val(uri);
57 XMLDocShredder shredder(fn,Int_val(sf),Bool_val(iet),Bool_val(dtc));
59 shredder.processStartDocument(fn);
61 shredder.processEndDocument();
63 doc = caml_alloc_custom(&ops,sizeof(XMLTree*),1,2);
64 tree = (XMLTree *) shredder.storageIfc_->returnDocument();
65 memcpy(Data_custom_val(doc),&tree,sizeof(XMLTree*));
68 catch (const std::exception& e){
74 extern "C" CAMLprim value caml_call_shredder_string(value data,value sf, value iet, value dtc){
77 unsigned int ln = string_length(data);
78 unsigned char *fn = (unsigned char*) String_val(data);
81 XMLDocShredder shredder(fn,ln,Int_val(sf),Bool_val(iet),Bool_val(dtc));
83 shredder.processStartDocument("");
85 shredder.processEndDocument();
87 doc = caml_alloc_custom(&ops,sizeof(XMLTree*),1,2);
88 tree = (XMLTree *) shredder.storageIfc_->returnDocument();
89 memcpy(Data_custom_val(doc),&tree,sizeof(XMLTree*));
92 catch (const std::exception& e) {
97 void traversal_rec(XMLTree* tree, treeNode id){
101 // int tag = tree->Tag(id);
103 tid = tree->PrevText(id);
104 char * data = (char *) (tree->getTextCollection())->GetText(tid);
105 if (tree->IsLeaf(id)){
106 tid = tree->MyText(id);
108 data = (char*) (tree->getTextCollection())->GetText(tid);
111 if (tree->NextSibling(id) == NULLT){
112 tid = tree->NextText(id);
113 data = (char*) (tree->getTextCollection())->GetText(tid);
116 traversal_rec(tree,tree->FirstChild(id));
117 traversal_rec(tree,tree->NextSibling(id));
121 extern "C" CAMLprim value caml_cpp_traversal(value tree){
123 traversal_rec(XMLTREE(tree),XMLTREE(tree)->Root());
124 CAMLreturn(Val_unit);
127 extern "C" CAMLprim value caml_text_collection_get_text(value tree, value id){
130 uchar* txt = XMLTREE(tree)->GetText((DocID) Int_val(id));
131 str = caml_copy_string((const char*)txt);
135 extern "C" CAMLprim value caml_text_collection_empty_text(value tree,value id){
137 CAMLreturn ( Val_int((XMLTREE(tree))->EmptyText((DocID) Int_val(id))));
140 extern "C" CAMLprim value caml_text_collection_is_contains(value tree,value str){
141 CAMLparam2(tree,str);
142 uchar * cstr = (uchar *) String_val(str);
143 CAMLreturn ( Val_bool((int) XMLTREE(tree)->IsContains(cstr)));
146 extern "C" CAMLprim value caml_text_collection_count_contains(value tree,value str){
147 CAMLparam2(tree,str);
148 uchar * cstr = (uchar *) String_val(str);
149 CAMLreturn (Val_int((XMLTREE(tree)->CountContains(cstr))));
153 extern "C" CAMLprim value caml_text_collection_contains(value tree,value str){
154 CAMLparam2(tree,str);
155 CAMLlocal1(resarray);
156 uchar * cstr = (uchar *) String_val(str);
157 std::vector<DocID> results;
158 results = XMLTREE(tree)->Contains(cstr);
160 resarray = caml_alloc_tuple(results.size());
162 for (unsigned int i=0; i<results.size();i++){
163 caml_initialize(&Field(resarray,i),Val_int(results[i]));
165 CAMLreturn (resarray);
169 extern "C" CAMLprim value caml_xml_tree_root(value tree){
171 CAMLreturn (TREENODEVAL(XMLTREE(tree)->Root()));
173 extern "C" CAMLprim value caml_xml_tree_text_collection(value tree){
175 CAMLreturn((value) XMLTREE(tree)->getTextCollection());
177 extern "C" CAMLprim value caml_xml_tree_parent(value tree, value id){
179 CAMLreturn(Val_int (XMLTREE(tree)->Parent(TREENODEVAL(id))));
181 extern "C" CAMLprim value caml_xml_tree_parent_doc(value tree, value id){
183 CAMLreturn(Val_int (XMLTREE(tree)->ParentNode((DocID) Int_val(id))));
186 extern "C" CAMLprim value caml_xml_tree_is_ancestor(value tree,value id1, value id2) {
187 CAMLparam3(tree,id1,id2);
188 CAMLreturn(Val_bool (XMLTREE(tree)->IsAncestor(TREENODEVAL(id1),TREENODEVAL(id2))));
191 extern "C" CAMLprim value caml_xml_tree_serialize(value tree, value filename){
192 CAMLparam2(tree,filename);
193 NOT_IMPLEMENTED("caml_xml_tree_serialize");
194 CAMLreturn(Val_unit);
197 extern "C" CAMLprim value caml_xml_tree_unserialize(value filename){
198 CAMLparam1(filename);
199 NOT_IMPLEMENTED("caml_xml_tree_unserialize");
200 CAMLreturn(Val_unit);
204 extern "C" CAMLprim value caml_xml_tree_first_child(value tree, value id){
206 CAMLreturn(Val_int (XMLTREE(tree)->FirstChild(TREENODEVAL(id))));
209 extern "C" CAMLprim value caml_xml_tree_is_leaf(value tree, value id){
211 CAMLreturn(Val_bool (XMLTREE(tree)->IsLeaf(TREENODEVAL(id))));
214 extern "C" CAMLprim value caml_xml_tree_tagged_desc(value tree, value id, value tag){
215 CAMLparam3(tree,id,tag);
216 CAMLreturn(Val_int (XMLTREE(tree)->TaggedDesc(TREENODEVAL(id),(TagType) Int_val(tag))));
219 extern "C" CAMLprim value caml_xml_tree_tagged_next(value tree, value id, value tag){
220 CAMLparam3(tree,id,tag);
221 CAMLreturn(Val_int (XMLTREE(tree)->TaggedNext(TREENODEVAL(id),(TagType) Int_val(tag))));
227 extern "C" CAMLprim value caml_xml_tree_tagged_foll(value tree, value id, value tag){
228 CAMLparam3(tree,id,tag);
229 CAMLreturn(Val_int (XMLTREE(tree)->TaggedFoll(TREENODEVAL(id),(TagType) Int_val(tag))));
233 extern "C" CAMLprim value caml_xml_tree_next_sibling(value tree, value id){
235 CAMLreturn(Val_int (XMLTREE(tree)->NextSibling(TREENODEVAL(id))));
238 extern "C" CAMLprim value caml_xml_tree_prev_text(value tree, value id){
241 CAMLreturn(Val_int((XMLTREE(tree)->PrevText(TREENODEVAL(id)))));
244 extern "C" CAMLprim value caml_xml_tree_next_text(value tree, value id){
246 CAMLreturn(Val_int((XMLTREE(tree)->NextText(TREENODEVAL(id)))));
248 extern "C" CAMLprim value caml_xml_tree_my_text(value tree, value id){
250 CAMLreturn(Val_int((XMLTREE(tree)->MyText(TREENODEVAL(id)))));
253 extern "C" CAMLprim value caml_xml_tree_text_xml_id(value tree, value id){
255 CAMLreturn(Val_int((XMLTREE(tree)->TextXMLId(TREENODEVAL(id)))));
257 extern "C" CAMLprim value caml_xml_tree_node_xml_id(value tree, value id){
259 CAMLreturn(Val_int((XMLTREE(tree)->NodeXMLId(TREENODEVAL(id)))));
262 extern "C" CAMLprim value caml_xml_tree_tag_name(value tree, value tagid){
263 CAMLparam2(tree,tagid);
266 tag = (char*) XMLTREE(tree)->GetTagNameByRef((TagType) (Int_val(tagid)));
267 str = caml_copy_string((const char*) tag);
272 extern "C" CAMLprim value caml_xml_tree_tag_id(value tree,value id){
274 CAMLreturn (Val_int(XMLTREE(tree)->Tag(TREENODEVAL(id))));
277 extern "C" CAMLprim value caml_xml_tree_subtree_tags(value tree,value id,value tag){
278 CAMLparam3(tree,id,tag);
279 CAMLreturn (Val_int(XMLTREE(tree)->SubtreeTags(TREENODEVAL(id),Int_val(tag))));
283 extern "C" CAMLprim value caml_xml_tree_register_tag(value tree,value str){
284 CAMLparam2(tree,str);
287 tag = (unsigned char*) (String_val(str));
288 id = Val_int(XMLTREE(tree)->RegisterTag(tag));
292 extern "C" CAMLprim value caml_xml_tree_nullt(value unit){
297 extern "C" CAMLprim value caml_xml_tree_save(value tree,value filename){
298 CAMLparam2(tree,filename);
299 XMLTREE(tree)->Save((unsigned char *) String_val(filename));
300 CAMLreturn (Val_unit);
303 extern "C" CAMLprim value caml_xml_tree_load(value filename,value samplerate){
304 CAMLparam2(filename,samplerate);
307 tree = XMLTree::Load((unsigned char *) String_val(filename),Int_val(samplerate));
309 doc = caml_alloc_custom(&ops,sizeof(XMLTree*),1,2);
310 memcpy(Data_custom_val(doc),&tree,sizeof(XMLTree*));