X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a95e38c03464c854af73b960b17db12624bd8f8c..bd73ba41f93a040ecf9c18040d7f788992d0a6ec:/include/wx/hash.h?ds=sidebyside diff --git a/include/wx/hash.h b/include/wx/hash.h index cf10d040c8..873536e139 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) }; // ---------------------------------------------------------------------------- @@ -106,7 +106,37 @@ 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; + + // 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) }; // ---------------------------------------------------------------------------- @@ -128,7 +158,7 @@ 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; } @@ -200,8 +230,8 @@ 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, \ @@ -244,7 +274,7 @@ 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] ) \ { \ @@ -258,5 +288,14 @@ 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) + #endif // _WX_HASH_H__