mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
112 lines
4.2 KiB
C
112 lines
4.2 KiB
C
/* node.h -- declarations for Node.
|
||
$Id: node.h,v 1.5 1999/07/11 16:50:19 karl Exp $
|
||
|
||
Copyright (C) 1996, 97, 98, 99 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). */
|
||
|
||
#ifndef NODE_H
|
||
#define NODE_H
|
||
|
||
/* The various references that we know about. */
|
||
/* What we remember for each node. */
|
||
typedef struct tentry
|
||
{
|
||
struct tentry *next_ent;
|
||
char *node; /* Name of this node. */
|
||
char *prev; /* Name of "Prev:" for this node. */
|
||
char *next; /* Name of "Next:" for this node. */
|
||
char *up; /* Name of "Up:" for this node. */
|
||
int position; /* Output file position of this node. */
|
||
int line_no; /* Defining line in source file. */
|
||
char *filename; /* The file that this node was found in. */
|
||
int touched; /* Nonzero means this node has been referenced. */
|
||
int flags;
|
||
int number; /* Number for this node, relevant for HTML
|
||
splitting -- from use+define order, not just
|
||
define. */
|
||
} TAG_ENTRY;
|
||
|
||
/* If node-a has a "Next" for node-b, but node-b has no "Prev" for node-a,
|
||
we turn on this flag bit in node-b's tag entry. This means that when
|
||
it is time to validate node-b, we don't report an additional error
|
||
if there was no "Prev" field. */
|
||
#define TAG_FLAG_PREV_ERROR 1
|
||
#define TAG_FLAG_NEXT_ERROR 2
|
||
#define TAG_FLAG_UP_ERROR 4
|
||
#define TAG_FLAG_NO_WARN 8
|
||
#define TAG_FLAG_IS_TOP 16
|
||
#define TAG_FLAG_ANCHOR 32
|
||
|
||
/* Menu reference, *note reference, and validation hacking. */
|
||
|
||
/* A structure to remember references with. A reference to a node is
|
||
either an entry in a menu, or a cross-reference made with [px]ref. */
|
||
typedef struct node_ref
|
||
{
|
||
struct node_ref *next;
|
||
char *node; /* Name of node referred to. */
|
||
char *containing_node; /* Name of node containing this reference. */
|
||
int line_no; /* Line number where the reference occurs. */
|
||
int section; /* Section level where the reference occurs. */
|
||
char *filename; /* Name of file where the reference occurs. */
|
||
enum reftype type; /* Type of reference, either menu or note. */
|
||
int number; /* Number for this node, relevant for
|
||
HTML splitting -- from use+define
|
||
order, not just define. */
|
||
} NODE_REF;
|
||
|
||
/* The linked list of such structures. */
|
||
extern NODE_REF *node_references;
|
||
|
||
/* A similar list for references occuring in @node next
|
||
and similar references, needed for HTML. */
|
||
extern NODE_REF *node_node_references;
|
||
|
||
/* List of all nodes. */
|
||
extern TAG_ENTRY *tag_table;
|
||
|
||
/* Counter for setting node_ref.number; zero is Top. */
|
||
extern int node_number;
|
||
|
||
/* The current node's section level. */
|
||
extern int current_section;
|
||
|
||
/* Nonzero when the next sectioning command should generate an anchor
|
||
corresponding to the current node in HTML mode. */
|
||
extern int outstanding_node;
|
||
|
||
extern TAG_ENTRY *find_node ();
|
||
|
||
/* A search string which is used to find a line defining a node. */
|
||
DECLARE (char *, node_search_string, "\n@node ");
|
||
|
||
/* Extract node name from a menu item. */
|
||
extern char *glean_node_from_menu ();
|
||
|
||
/* Remember a node for later validation. */
|
||
extern void remember_node_reference ();
|
||
|
||
/* Remember the name of the current output file. */
|
||
extern void set_current_output_filename ();
|
||
|
||
/* Expand macros and commands in the node name and canonicalize
|
||
whitespace in the resulting expansion. */
|
||
extern char *expand_node_name ();
|
||
|
||
#endif /* NODE_H */
|