/* $NetBSD: doc.h,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $ */ /* doc.h -- Structures associating function pointers with documentation. Id: doc.h,v 1.3 2004/04/11 17:56:45 karl Exp Copyright (C) 1993, 2001, 2004 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Written by Brian Fox (bfox@ai.mit.edu). */ #if !defined (DOC_H) #define DOC_H #include "info.h" /* for NAMED_FUNCTIONS, VFunction, etc. */ #if defined (INFOKEY) /* For each function, we keep track of the first defined key sequence which invokes that function, for each different map. This is so that the dynamic documentation generation in infodoc.c (a) doesn't have to search through copious KEYMAP_ENTRYs, and, more importantly, (b) the user and programmer can choose the preferred key sequence that is printed for any given function -- it's just the first one that appears in the user's infokey file or the default keymaps in infomap.c. Each FUNCTION_DOC has a linked list of FUNCTION_KEYSEQ structs hanging off it, which are created on startup when the user and/or default keymaps are being parsed. */ typedef struct function_keyseq { struct function_keyseq *next; struct keymap_entry *map; char *keyseq; } FUNCTION_KEYSEQ; #endif /* INFOKEY */ /* An array of FUNCTION_DOC structures is defined in doc.c, which is automagically generated by the makedoc utility, whose job is to scan through the source files for command function declarations and compile a list of all the ones it finds. This saves tedious housekeeping and avoids errors of omission. */ typedef struct { VFunction *func; #if defined (NAMED_FUNCTIONS) char *func_name; #endif /* NAMED_FUNCTIONS */ #if defined (INFOKEY) FUNCTION_KEYSEQ *keys; #endif /* INFOKEY */ char *doc; } FUNCTION_DOC; extern FUNCTION_DOC function_doc_array[]; /* Under the old key-binding system, an info command is specified by the pointer to its function. Under the new INFOKEY binding system, it is specified by a pointer to the command's FUNCTION_DOC structure, defined in doc.c, from which the pointer to the function can be easily divined using the InfoFunction() extractor. */ #if defined(INFOKEY) typedef FUNCTION_DOC InfoCommand; /* The cast to VFunction * prevents pgcc from complaining about dereferencing a void *. */ #define InfoFunction(ic) ((ic) ? (ic)->func : (VFunction *) NULL) #define InfoCmd(fn) (&function_doc_array[A_##fn]) #define DocInfoCmd(fd) ((fd) && (fd)->func ? (fd) : NULL) #else /* !INFOKEY */ typedef VFunction InfoCommand; #define InfoFunction(vf) ((vf)) #define InfoCmd(fn) fn #define DocInfoCmd(fd) ((fd)->func) #endif /* !INFOKEY */ #include "infomap.h" /* for Keymap. */ #if defined (NAMED_FUNCTIONS) extern char *function_name (InfoCommand *cmd); extern InfoCommand *named_function (char *name); #endif /* NAMED_FUNCTIONS */ extern char *function_documentation (InfoCommand *cmd); extern char *key_documentation (char key, Keymap map); extern char *pretty_keyname (unsigned char key); extern char *pretty_keyseq (char *keyseq); extern char *where_is (Keymap map, InfoCommand *cmd); extern char *replace_in_documentation (char *string, int help_is_only_window_p); extern void dump_map_to_message_buffer (char *prefix, Keymap map); #endif /* !DOC_H */