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-rw-r--r--extools/suffix_tree.h46
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diff --git a/extools/suffix_tree.h b/extools/suffix_tree.h
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--- a/extools/suffix_tree.h
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-/*
- * suffix_tree.h
- *
- * Created on: May 17, 2010
- * Author: Vlad
-
-NOTE (graehl): this seems to be a (forward) trie of the suffixes (of sentences).
-so O(m*n^2) for m sentences of length n.
-
-For a real suffix tree (linear size/time), see:
-http://en.wikipedia.org/wiki/Suffix_tree
-http://www.cs.helsinki.fi/u/ukkonen/SuffixT1withFigs.pdf
-
- */
-
-#ifndef SUFFIX_TREE_H_
-#define SUFFIX_TREE_H_
-
-#include <string>
-#include <map>
-#include <vector>
-
-template <class T>
-class Node {
- public:
- std::map<T, Node> edge_list_;
- int InsertPath(const std::vector<T>& p, int start, int end);
- const Node* Extend(const T& e) const {
- typename std::map<T, Node>::const_iterator it = edge_list_.find(e);
- if (it == edge_list_.end()) return NULL;
- return &it->second;
- }
-};
-
-bool DEBUG = false;
-
-template <class T>
-int Node<T>::InsertPath(const std::vector<T>& p, int start, int end){
- Node* currNode = this;
- for(int i=start;i<= end; i++ ) {
- currNode = &(currNode->edge_list_)[p[i]];
- }
- return 1;
-}
-
-#endif /* SUFFIX_TRIE_H_ */