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86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/* This may look like C code, but it is really -*- C++ -*- */
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/* Keyword list.
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Copyright (C) 2002 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>.
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This file is part of GNU GPERF.
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GNU GPERF is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU GPERF is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef keyword_list_h
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#define keyword_list_h 1
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#include "keyword.h"
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/* List node of a linear list of Keyword. */
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class Keyword_List
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{
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public:
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/* Constructor. */
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Keyword_List (Keyword *car);
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/* Access to first element of list. */
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Keyword * first () const;
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/* Access to next element of list. */
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Keyword_List *& rest ();
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protected:
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Keyword_List * _cdr;
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Keyword * const _car;
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};
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/* List node of a linear list of KeywordExt. */
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class KeywordExt_List : public Keyword_List
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{
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public:
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/* Constructor. */
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KeywordExt_List (KeywordExt *car);
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/* Access to first element of list. */
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KeywordExt * first () const;
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/* Access to next element of list. */
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KeywordExt_List *& rest ();
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};
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/* Copies a linear list, sharing the list elements. */
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extern Keyword_List * copy_list (Keyword_List *list);
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extern KeywordExt_List * copy_list (KeywordExt_List *list);
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/* Deletes a linear list, keeping the list elements in memory. */
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extern void delete_list (Keyword_List *list);
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/* Sorts a linear list, given a comparison function.
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Note: This uses a variant of mergesort that is *not* a stable sorting
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algorithm. */
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extern Keyword_List * mergesort_list (Keyword_List *list,
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bool (*less) (Keyword *keyword1,
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Keyword *keyword2));
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extern KeywordExt_List * mergesort_list (KeywordExt_List *list,
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bool (*less) (KeywordExt *keyword1,
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KeywordExt *keyword2));
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#ifdef __OPTIMIZE__
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#define INLINE inline
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#include "keyword-list.icc"
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#undef INLINE
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#endif
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#endif
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