void Dawg::iterate_words(const UNICHARSET &unicharset,
TessCallback1<const char *> *cb) const {
std::unique_ptr<TessCallback1<const WERD_CHOICE *>> shim(
NewPermanentTessCallback(CallWithUTF8, cb));
WERD_CHOICE word(&unicharset);
iterate_words_rec(word, 0, shim.get());
}
void Dawg::iterate_words_rec(const WERD_CHOICE &word_so_far,
NODE_REF to_explore,
TessCallback1<const WERD_CHOICE *> *cb) const {
NodeChildVector children;
this->unichar_ids_of(to_explore, &children, false);
for (int i = 0; i < children.size(); i++) {
WERD_CHOICE next_word(word_so_far);
next_word.append_unichar_id(children[i].unichar_id, 1, 0.0, 0.0);
if (this->end_of_word(children[i].edge_ref)) {
cb->Run(&next_word);
}
NODE_REF next = next_node(children[i].edge_ref);
if (next != 0) {
iterate_words_rec(next_word, next, cb);
}
}
}
void Dawg::iterate_words_rec(const WERD_CHOICE &word_so_far,
NODE_REF to_explore,
TessCallback1<const char *> *cb) const {
NodeChildVector children;
this->unichar_ids_of(to_explore, &children);
for (int i = 0; i < children.size(); i++) {
WERD_CHOICE next_word(word_so_far);
next_word.append_unichar_id(children[i].unichar_id, 1, 0.0, 0.0);
if (this->end_of_word(children[i].edge_ref)) {
STRING s;
next_word.string_and_lengths(&s, NULL);
cb->Run(s.string());
}
NODE_REF next = next_node(children[i].edge_ref);
if (next != 0) {
iterate_words_rec(next_word, next, cb);
}
}
}
void Dawg::iterate_words(const UNICHARSET &unicharset,
TessCallback1<const WERD_CHOICE *> *cb) const {
WERD_CHOICE word(&unicharset);
iterate_words_rec(word, 0, cb);
}