1 files changed, 81 insertions, 0 deletions
diff --git a/lib/marisa/grimoire/trie/entry.h b/lib/marisa/grimoire/trie/entry.h
new file mode 100644
index 0000000..2c754a8
--- /dev/null
+++ b/lib/marisa/grimoire/trie/entry.h
@@ -0,0 +1,81 @@
+#ifndef MARISA_GRIMOIRE_TRIE_ENTRY_H_
+#define MARISA_GRIMOIRE_TRIE_ENTRY_H_
+
+#include "marisa/base.h"
+
+namespace marisa {
+namespace grimoire {
+namespace trie {
+
+class Entry {
+ public:
+  Entry() : ptr_(NULL), length_(0), id_(0) {}
+  Entry(const Entry &entry)
+      : ptr_(entry.ptr_), length_(entry.length_), id_(entry.id_) {}
+
+  Entry &operator=(const Entry &entry) {
+    ptr_ = entry.ptr_;
+    length_ = entry.length_;
+    id_ = entry.id_;
+    return *this;
+  }
+
+  char operator[](std::size_t i) const {
+    MARISA_DEBUG_IF(i >= length_, MARISA_BOUND_ERROR);
+    return *(ptr_ - i);
+  }
+
+  void set_str(const char *ptr, std::size_t length) {
+    MARISA_DEBUG_IF((ptr == NULL) && (length != 0), MARISA_NULL_ERROR);
+    MARISA_DEBUG_IF(length > MARISA_UINT32_MAX, MARISA_SIZE_ERROR);
+    ptr_ = ptr + length - 1;
+    length_ = (UInt32)length;
+  }
+  void set_id(std::size_t id) {
+    MARISA_DEBUG_IF(id > MARISA_UINT32_MAX, MARISA_SIZE_ERROR);
+    id_ = (UInt32)id;
+  }
+
+  const char *ptr() const {
+    return ptr_ - length_ + 1;
+  }
+  std::size_t length() const {
+    return length_;
+  }
+  std::size_t id() const {
+    return id_;
+  }
+
+  class StringComparer {
+   public:
+    bool operator()(const Entry &lhs, const Entry &rhs) const {
+      for (std::size_t i = 0; i < lhs.length(); ++i) {
+        if (i == rhs.length()) {
+          return true;
+        }
+        if (lhs[i] != rhs[i]) {
+          return (UInt8)lhs[i] > (UInt8)rhs[i];
+        }
+      }
+      return lhs.length() > rhs.length();
+    }
+  };
+
+  class IDComparer {
+   public:
+    bool operator()(const Entry &lhs, const Entry &rhs) const {
+      return lhs.id_ < rhs.id_;
+    }
+  };
+
+ private:
+  const char *ptr_;
+  UInt32 length_;
+  UInt32 id_;
+};
+
+}  // namespace trie
+}  // namespace grimoire
+}  // namespace marisa
+
+#endif  // MARISA_GRIMOIRE_TRIE_ENTRY_H_