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){
129 const char* txt = (const char*) (XMLTREE(tree)->GetText((DocID) Int_val(id)));
130 CAMLreturn (caml_copy_string(txt));
132 extern "C" CAMLprim value caml_text_collection_empty_text(value tree,value id){
134 CAMLreturn ( Val_int((XMLTREE(tree))->EmptyText((DocID) Int_val(id))));
137 extern "C" CAMLprim value caml_text_collection_is_contains(value tree,value str){
138 CAMLparam2(tree,str);
139 uchar * cstr = (uchar *) String_val(str);
140 CAMLreturn ( Val_bool((int) XMLTREE(tree)->IsContains(cstr)));
143 extern "C" CAMLprim value caml_text_collection_count_contains(value tree,value str){
144 CAMLparam2(tree,str);
145 uchar * cstr = (uchar *) String_val(str);
146 CAMLreturn (Val_int((XMLTREE(tree)->CountContains(cstr))));
150 extern "C" CAMLprim value caml_text_collection_contains(value tree,value str){
151 CAMLparam2(tree,str);
152 CAMLlocal1(resarray);
153 uchar * cstr = (uchar *) String_val(str);
154 std::vector<DocID> results;
155 results = XMLTREE(tree)->Contains(cstr);
157 resarray = caml_alloc_tuple(results.size());
159 for (unsigned int i=0; i<results.size();i++){
160 caml_initialize(&Field(resarray,i),Val_int(results[i]));
162 CAMLreturn (resarray);
166 extern "C" CAMLprim value caml_xml_tree_root(value tree){
168 CAMLreturn (TREENODEVAL(XMLTREE(tree)->Root()));
170 extern "C" CAMLprim value caml_xml_tree_text_collection(value tree){
172 CAMLreturn((value) XMLTREE(tree)->getTextCollection());
174 extern "C" CAMLprim value caml_xml_tree_parent(value tree, value id){
176 CAMLreturn(Val_int (XMLTREE(tree)->Parent(TREENODEVAL(id))));
178 extern "C" CAMLprim value caml_xml_tree_parent_doc(value tree, value id){
180 CAMLreturn(Val_int (XMLTREE(tree)->ParentNode(TREENODEVAL(id))));
183 extern "C" CAMLprim value caml_xml_tree_is_ancestor(value tree,value id1, value id2) {
184 CAMLparam3(tree,id1,id2);
185 CAMLreturn(Val_bool (XMLTREE(tree)->IsAncestor(TREENODEVAL(id1),TREENODEVAL(id2))));
188 extern "C" CAMLprim value caml_xml_tree_serialize(value tree, value filename){
189 CAMLparam2(tree,filename);
190 NOT_IMPLEMENTED("caml_xml_tree_serialize");
191 CAMLreturn(Val_unit);
194 extern "C" CAMLprim value caml_xml_tree_unserialize(value filename){
195 CAMLparam1(filename);
196 NOT_IMPLEMENTED("caml_xml_tree_unserialize");
197 CAMLreturn(Val_unit);
201 extern "C" CAMLprim value caml_xml_tree_first_child(value tree, value id){
203 CAMLreturn(Val_int (XMLTREE(tree)->FirstChild(TREENODEVAL(id))));
206 extern "C" CAMLprim value caml_xml_tree_is_leaf(value tree, value id){
208 CAMLreturn(Val_bool (XMLTREE(tree)->IsLeaf(TREENODEVAL(id))));
211 extern "C" CAMLprim value caml_xml_tree_next_sibling(value tree, value id){
213 CAMLreturn(Val_int (XMLTREE(tree)->NextSibling(TREENODEVAL(id))));
216 extern "C" CAMLprim value caml_xml_tree_prev_text(value tree, value id){
219 CAMLreturn(Val_int((XMLTREE(tree)->PrevText(TREENODEVAL(id)))));
222 extern "C" CAMLprim value caml_xml_tree_next_text(value tree, value id){
224 CAMLreturn(Val_int((XMLTREE(tree)->NextText(TREENODEVAL(id)))));
226 extern "C" CAMLprim value caml_xml_tree_my_text(value tree, value id){
228 CAMLreturn(Val_int((XMLTREE(tree)->MyText(TREENODEVAL(id)))));
231 extern "C" CAMLprim value caml_xml_tree_text_xml_id(value tree, value id){
233 CAMLreturn(Val_int((XMLTREE(tree)->TextXMLId(TREENODEVAL(id)))));
235 extern "C" CAMLprim value caml_xml_tree_node_xml_id(value tree, value id){
237 CAMLreturn(Val_int((XMLTREE(tree)->NodeXMLId(TREENODEVAL(id)))));
239 extern "C" CAMLprim value caml_xml_tree_tag(value tree, value id){
242 tag =(const char*) XMLTREE(tree)->GetTagName(XMLTREE(tree)->Tag(TREENODEVAL(id)));
244 CAMLreturn (caml_copy_string(tag));
247 extern "C" CAMLprim value caml_xml_tree_tag_name(value tree, value tagid){
248 CAMLparam2(tree,tagid);
250 tag = (const char*) XMLTREE(tree)->GetTagName((TagType) (Int_val(tagid)));
252 CAMLreturn (caml_copy_string(tag));
256 extern "C" CAMLprim value caml_xml_tree_tag_id(value tree,value id){
258 CAMLreturn (Val_int(XMLTREE(tree)->Tag(TREENODEVAL(id))));
261 extern "C" CAMLprim value caml_xml_tree_register_tag(value tree,value str){
262 CAMLparam2(tree,str);
265 tag = (unsigned char*) (String_val(str));
266 id = Val_int(XMLTREE(tree)->RegisterTag(tag));
270 extern "C" CAMLprim value caml_xml_tree_nullt(value unit){
275 extern "C" CAMLprim value caml_xml_tree_save(value tree,value filename){
276 CAMLparam2(tree,filename);
277 XMLTREE(tree)->Save((unsigned char *) String_val(filename));
278 CAMLreturn (Val_unit);
281 extern "C" CAMLprim value caml_xml_tree_load(value filename,value samplerate){
282 CAMLparam2(filename,samplerate);
285 tree = XMLTree::Load((unsigned char *) String_val(filename),Int_val(samplerate));
287 doc = caml_alloc_custom(&ops,sizeof(XMLTree*),1,2);
288 memcpy(Data_custom_val(doc),&tree,sizeof(XMLTree*));