X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c2bb85e9e38ee35758e0076485bb6665f2c229f5..aa8e9a36c47673613f080d7578e771fe62261ef1:/include/wx/hash.h diff --git a/include/wx/hash.h b/include/wx/hash.h index 4320f720c8..a42138a438 100644 --- a/include/wx/hash.h +++ b/include/wx/hash.h @@ -69,7 +69,7 @@ protected: private: // no copy ctor/assignment operator (yet) - DECLARE_NO_COPY_CLASS(wxHashTableBase); + DECLARE_NO_COPY_CLASS(wxHashTableBase) }; // ---------------------------------------------------------------------------- @@ -79,7 +79,9 @@ private: class WXDLLEXPORT wxHashTableLong : public wxObject { public: - wxHashTableLong(size_t size = wxHASH_SIZE_DEFAULT) { Init(size); } + wxHashTableLong(size_t size = wxHASH_SIZE_DEFAULT) + { Init(size); } + virtual ~wxHashTableLong(); void Create(size_t size = wxHASH_SIZE_DEFAULT); void Destroy(); @@ -105,7 +107,40 @@ private: size_t m_count; // not implemented yet - DECLARE_NO_COPY_CLASS(wxHashTableLong); + DECLARE_NO_COPY_CLASS(wxHashTableLong) +}; + +// ---------------------------------------------------------------------------- +// wxStringHashTable: a hash table which indexes strings with longs +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxStringHashTable : public wxObject +{ +public: + wxStringHashTable(size_t sizeTable = wxHASH_SIZE_DEFAULT); + virtual ~wxStringHashTable(); + + // add a string associated with this key to the table + void Put(long key, const wxString& value); + + // get the string from the key: if not found, an empty string is returned + // and the wasFound is set to FALSE if not NULL + wxString Get(long key, bool *wasFound = NULL) const; + + // remove the item, returning TRUE if the item was found and deleted + bool Delete(long key) const; + + // clean up + void Destroy(); + +private: + wxArrayLong **m_keys; + wxArrayString **m_values; + + // the size of array above + size_t m_hashSize; + + DECLARE_NO_COPY_CLASS(wxStringHashTable) }; // ---------------------------------------------------------------------------- @@ -127,7 +162,8 @@ public: ~wxHashTable(); // copy ctor and assignment operator - wxHashTable(const wxHashTable& table) { DoCopy(table); } + wxHashTable(const wxHashTable& table) : wxObject() + { DoCopy(table); } wxHashTable& operator=(const wxHashTable& table) { Clear(); DoCopy(table); return *this; } @@ -199,8 +235,8 @@ private: // defines a new type safe hash table which stores the elements of type eltype // in lists of class listclass -#define WX_DECLARE_HASH(eltype, listclass, hashclass) \ - class WXDLLEXPORT hashclass : public wxHashTableBase \ +#define _WX_DECLARE_HASH(eltype, listclass, hashclass, classexp) \ + classexp hashclass : public wxHashTableBase \ { \ public: \ hashclass(wxKeyType keyType = wxKEY_INTEGER, \ @@ -243,7 +279,7 @@ private: protected: \ void DoPut(long key, long value, eltype *data) \ { \ - size_t slot = (size_t)abs(key % m_hashSize); \ + size_t slot = (size_t)abs((int)(key % (long)m_hashSize)); \ \ if ( !m_hashTable[slot] ) \ { \ @@ -257,5 +293,17 @@ private: } \ } +// this macro is to be used in the user code +#define WX_DECLARE_HASH(el, list, hash) \ + _WX_DECLARE_HASH(el, list, hash, class) + +// and this one does exactly the same thing but should be used inside the +// library +#define WX_DECLARE_EXPORTED_HASH(el, list, hash) \ + _WX_DECLARE_HASH(el, list, hash, class WXDLLEXPORT) + +#define WX_DECLARE_USER_EXPORTED_HASH(el, list, hash, usergoo) \ + _WX_DECLARE_HASH(el, list, hash, class usergoo) + #endif // _WX_HASH_H__