From 80686d4e567bae579ea39e009826a2de92cd4ace Mon Sep 17 00:00:00 2001
From: redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Wed, 11 Aug 2010 02:37:10 +0000
Subject: major refactor, break bad circular deps

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@509 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 utils/dict.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 utils/dict.h

(limited to 'utils/dict.h')

diff --git a/utils/dict.h b/utils/dict.h
new file mode 100644
index 00000000..348a97e3
--- /dev/null
+++ b/utils/dict.h
@@ -0,0 +1,66 @@
+#ifndef DICT_H_
+#define DICT_H_
+
+
+#include <cassert>
+#include <cstring>
+
+#include <string>
+#include <vector>
+#include "hash.h"
+#include "wordid.h"
+
+class Dict {
+ typedef
+ HASH_MAP<std::string, WordID, boost::hash<std::string> > Map;
+ public:
+  Dict() : b0_("<bad0>") {
+    HASH_MAP_EMPTY(d_,"<bad1>");
+    words_.reserve(1000);
+  }
+
+  inline int max() const { return words_.size(); }
+
+  inline WordID Convert(const std::string& word, bool frozen = false) {
+    Map::iterator i = d_.find(word);
+    if (i == d_.end()) {
+      if (frozen)
+        return 0;
+      words_.push_back(word);
+      d_[word] = words_.size();
+      return words_.size();
+    } else {
+      return i->second;
+    }
+  }
+
+  inline WordID Convert(const std::vector<std::string>& words, bool frozen = false)
+  { return Convert(toString(words), frozen); }
+
+  static inline std::string toString(const std::vector<std::string>& words) {
+    std::string word= "";
+    for (std::vector<std::string>::const_iterator it=words.begin();
+         it != words.end(); ++it) {
+      if (it != words.begin()) word += " ||| ";
+      word += *it;
+    }
+    return word;
+  }
+
+  inline const std::string& Convert(const WordID& id) const {
+    if (id == 0) return b0_;
+    assert(id <= (int)words_.size());
+    return words_[id-1];
+  }
+
+  void AsVector(const WordID& id, std::vector<std::string>* results) const;
+
+  void clear() { words_.clear(); d_.clear(); }
+
+ private:
+  const std::string b0_;
+  std::vector<std::string> words_;
+  Map d_;
+};
+
+#endif
-- 
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