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