1 files changed, 68 insertions, 0 deletions
diff --git a/kmail/kmdict.h b/kmail/kmdict.h
new file mode 100644
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+++ b/kmail/kmdict.h
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+/*
+ * simple hash table for kmail.  inspired by QDict
+ */
+
+#ifndef __KMDICT
+#define __KMDICT
+
+/**
+ * @short Class representing items in a KMDict
+ */
+class KMDictItem
+{
+public:
+  long key;
+  KMDictItem *next;
+};
+
+/**
+ * @short KMDict implements a lightweight dictionary with serial numbers as keys.
+ *
+ * KMDict is a leightweight dictionary used exclusively by KMMsgDict. It uses
+ * serial numbers as keys.
+ *
+ * @author  Ronen Tzur <rtzur@shani.net>
+ */
+class KMDict
+{
+  friend class MessageDictTester;
+public:
+  /** Creates a hash table with @p size columns. */
+  KMDict(int size = 17);
+  
+  /** Destroys the hash table object. */
+  ~KMDict();
+
+  /** Clears the hash table, removing all items. */
+  void clear();
+  
+  /** Returns the size of the hash table. */
+  int size() { return mSize; }
+  
+  /** Inserts an item, replacing old ones with the same key. */
+  void replace(long key, KMDictItem *item);
+ 
+  /** Inserts an item without replacing ones with the same key. */
+  void insert(long key, KMDictItem *item);
+ 
+  /** Removes an item. */
+  void remove(long key);
+  
+  /** Find an item by key.  Returns pointer to it, or 0 if not found. */
+  KMDictItem *find(long key);
+  
+private:
+  /** Removes all items _following_ @p item with key @p key. */
+  void removeFollowing(KMDictItem *item, long key);
+
+  /** Initializes the hash table to @p size colums. */
+  void init(int size);
+
+  /** The size of the hash. */
+  int mSize;
+  
+  /** The buckets. */
+  KMDictItem **mVecs;
+};
+
+#endif /* __KMDICT */