/* * Copyright (c) 1991 Stanford University * Copyright (c) 1991 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Stanford and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Stanford and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ #ifndef os_ustring_h #define os_ustring_h /* * UniqueString - unique string using hash table */ #include <OS/string.h> class UniqueStringPool; class UniqueStringTable; class UniqueString : public String { public: #ifdef _DELTA_EXTENSIONS #pragma __static_class #endif UniqueString(); UniqueString(const char*); UniqueString(const char*, int length); UniqueString(const String&); UniqueString(const UniqueString&); virtual ~UniqueString(); virtual unsigned long hash() const; virtual boolean operator ==(const String&) const; virtual boolean operator ==(const char*) const; virtual boolean null_terminated() const; private: static UniqueStringTable* table_; static UniqueStringPool* pool_; void init(const String&); }; #endif