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);
136 extern "C" CAMLprim value caml_text_collection_get_cached_text(value tree, value id){
139 const char* txt = (const char*) XMLTREE(tree)->GetCachedText((DocID) Int_val(id));
140 str = caml_copy_string(txt);
145 extern "C" CAMLprim value caml_text_collection_empty_text(value tree,value id){
147 CAMLreturn ( Val_int((XMLTREE(tree))->EmptyText((DocID) Int_val(id))));
150 extern "C" CAMLprim value caml_text_collection_is_contains(value tree,value str){
151 CAMLparam2(tree,str);
152 uchar * cstr = (uchar *) String_val(str);
153 CAMLreturn ( Val_bool((int) XMLTREE(tree)->IsContains(cstr)));
156 extern "C" CAMLprim value caml_text_collection_count_contains(value tree,value str){
157 CAMLparam2(tree,str);
158 uchar * cstr = (uchar *) String_val(str);
159 CAMLreturn (Val_int((XMLTREE(tree)->CountContains(cstr))));
163 extern "C" CAMLprim value caml_text_collection_contains(value tree,value str){
164 CAMLparam2(tree,str);
165 CAMLlocal1(resarray);
166 uchar * cstr = (uchar *) String_val(str);
167 std::vector<DocID> results;
168 results = XMLTREE(tree)->Contains(cstr);
170 resarray = caml_alloc_tuple(results.size());
172 for (unsigned int i=0; i<results.size();i++){
173 caml_initialize(&Field(resarray,i),Val_int(results[i]));
175 CAMLreturn (resarray);
179 extern "C" CAMLprim value caml_xml_tree_root(value tree){
181 CAMLreturn (TREENODEVAL(XMLTREE(tree)->Root()));
183 extern "C" CAMLprim value caml_xml_tree_text_collection(value tree){
185 CAMLreturn((value) XMLTREE(tree)->getTextCollection());
187 extern "C" CAMLprim value caml_xml_tree_parent(value tree, value id){
189 CAMLreturn(Val_int (XMLTREE(tree)->Parent(TREENODEVAL(id))));
191 extern "C" CAMLprim value caml_xml_tree_parent_doc(value tree, value id){
193 CAMLreturn(Val_int (XMLTREE(tree)->ParentNode((DocID) Int_val(id))));
196 extern "C" CAMLprim value caml_xml_tree_is_ancestor(value tree,value id1, value id2) {
197 CAMLparam3(tree,id1,id2);
198 CAMLreturn(Val_bool (XMLTREE(tree)->IsAncestor(TREENODEVAL(id1),TREENODEVAL(id2))));
201 extern "C" CAMLprim value caml_xml_tree_serialize(value tree, value filename){
202 CAMLparam2(tree,filename);
203 NOT_IMPLEMENTED("caml_xml_tree_serialize");
204 CAMLreturn(Val_unit);
207 extern "C" CAMLprim value caml_xml_tree_unserialize(value filename){
208 CAMLparam1(filename);
209 NOT_IMPLEMENTED("caml_xml_tree_unserialize");
210 CAMLreturn(Val_unit);
214 extern "C" CAMLprim value caml_xml_tree_first_child(value tree, value id){
216 CAMLreturn(Val_int (XMLTREE(tree)->FirstChild(TREENODEVAL(id))));
219 extern "C" CAMLprim value caml_xml_tree_is_leaf(value tree, value id){
221 CAMLreturn(Val_bool (XMLTREE(tree)->IsLeaf(TREENODEVAL(id))));
224 extern "C" CAMLprim value caml_xml_tree_tagged_desc(value tree, value id, value tag){
225 CAMLparam3(tree,id,tag);
226 CAMLreturn(Val_int (XMLTREE(tree)->TaggedDesc(TREENODEVAL(id),(TagType) Int_val(tag))));
229 extern "C" CAMLprim value caml_xml_tree_tagged_next(value tree, value id, value tag){
230 CAMLparam3(tree,id,tag);
231 CAMLreturn(Val_int (XMLTREE(tree)->TaggedNext(TREENODEVAL(id),(TagType) Int_val(tag))));
237 extern "C" CAMLprim value caml_xml_tree_tagged_foll(value tree, value id, value tag){
238 CAMLparam3(tree,id,tag);
239 CAMLreturn(Val_int (XMLTREE(tree)->TaggedFoll(TREENODEVAL(id),(TagType) Int_val(tag))));
243 extern "C" CAMLprim value caml_xml_tree_next_sibling(value tree, value id){
245 CAMLreturn(Val_int (XMLTREE(tree)->NextSibling(TREENODEVAL(id))));
248 extern "C" CAMLprim value caml_xml_tree_prev_text(value tree, value id){
251 CAMLreturn(Val_int((XMLTREE(tree)->PrevText(TREENODEVAL(id)))));
254 extern "C" CAMLprim value caml_xml_tree_next_text(value tree, value id){
256 CAMLreturn(Val_int((XMLTREE(tree)->NextText(TREENODEVAL(id)))));
258 extern "C" CAMLprim value caml_xml_tree_my_text(value tree, value id){
260 CAMLreturn(Val_int((XMLTREE(tree)->MyText(TREENODEVAL(id)))));
263 extern "C" CAMLprim value caml_xml_tree_text_xml_id(value tree, value id){
265 CAMLreturn(Val_int((XMLTREE(tree)->TextXMLId(TREENODEVAL(id)))));
267 extern "C" CAMLprim value caml_xml_tree_node_xml_id(value tree, value id){
269 CAMLreturn(Val_int((XMLTREE(tree)->NodeXMLId(TREENODEVAL(id)))));
272 extern "C" CAMLprim value caml_xml_tree_tag_name(value tree, value tagid){
273 CAMLparam2(tree,tagid);
276 tag = (char*) XMLTREE(tree)->GetTagNameByRef((TagType) (Int_val(tagid)));
277 str = caml_copy_string((const char*) tag);
282 extern "C" CAMLprim value caml_xml_tree_tag_id(value tree,value id){
284 CAMLreturn (Val_int(XMLTREE(tree)->Tag(TREENODEVAL(id))));
287 extern "C" CAMLprim value caml_xml_tree_subtree_tags(value tree,value id,value tag){
288 CAMLparam3(tree,id,tag);
289 CAMLreturn (Val_int(XMLTREE(tree)->SubtreeTags(TREENODEVAL(id),Int_val(tag))));
293 extern "C" CAMLprim value caml_xml_tree_register_tag(value tree,value str){
294 CAMLparam2(tree,str);
297 tag = (unsigned char*) (String_val(str));
298 id = Val_int(XMLTREE(tree)->RegisterTag(tag));
302 extern "C" CAMLprim value caml_xml_tree_nullt(value unit){
307 extern "C" CAMLprim value caml_xml_tree_save(value tree,value filename){
308 CAMLparam2(tree,filename);
309 XMLTREE(tree)->Save((unsigned char *) String_val(filename));
310 CAMLreturn (Val_unit);
313 extern "C" CAMLprim value caml_xml_tree_load(value filename,value samplerate){
314 CAMLparam2(filename,samplerate);
317 tree = XMLTree::Load((unsigned char *) String_val(filename),Int_val(samplerate));
319 doc = caml_alloc_custom(&ops,sizeof(XMLTree*),1,2);
320 memcpy(Data_custom_val(doc),&tree,sizeof(XMLTree*));