1/* This may look like C code, but it is really -*- C++ -*- */ 2 3/* Keyword list. 4 5 Copyright (C) 2002 Free Software Foundation, Inc. 6 Written by Bruno Haible <bruno@clisp.org>. 7 8 This file is part of GNU GPERF. 9 10 This program is free software: you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 22 23#ifndef keyword_list_h 24#define keyword_list_h 1 25 26#include "keyword.h" 27 28/* List node of a linear list of Keyword. */ 29class Keyword_List 30{ 31public: 32 /* Constructor. */ 33 Keyword_List (Keyword *car); 34 35 /* Access to first element of list. */ 36 Keyword * first () const; 37 /* Access to next element of list. */ 38 Keyword_List *& rest (); 39 40protected: 41 Keyword_List * _cdr; 42 Keyword * const _car; 43}; 44 45/* List node of a linear list of KeywordExt. */ 46class KeywordExt_List : public Keyword_List 47{ 48public: 49 /* Constructor. */ 50 KeywordExt_List (KeywordExt *car); 51 52 /* Access to first element of list. */ 53 KeywordExt * first () const; 54 /* Access to next element of list. */ 55 KeywordExt_List *& rest (); 56}; 57 58/* Copies a linear list, sharing the list elements. */ 59extern Keyword_List * copy_list (Keyword_List *list); 60extern KeywordExt_List * copy_list (KeywordExt_List *list); 61 62/* Deletes a linear list, keeping the list elements in memory. */ 63extern void delete_list (Keyword_List *list); 64 65/* Sorts a linear list, given a comparison function. 66 Note: This uses a variant of mergesort that is *not* a stable sorting 67 algorithm. */ 68extern Keyword_List * mergesort_list (Keyword_List *list, 69 bool (*less) (Keyword *keyword1, 70 Keyword *keyword2)); 71extern KeywordExt_List * mergesort_list (KeywordExt_List *list, 72 bool (*less) (KeywordExt *keyword1, 73 KeywordExt *keyword2)); 74 75#ifdef __OPTIMIZE__ 76 77#define INLINE inline 78#include "keyword-list.icc" 79#undef INLINE 80 81#endif 82 83#endif 84