minix/commands/mdocml/man_action.c

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2010-06-26 04:20:06 +02:00
/* $Id: man_action.c,v 1.39 2010/05/26 14:03:54 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "mandoc.h"
#include "libman.h"
#include "libmandoc.h"
struct actions {
int (*post)(struct man *);
};
static int post_TH(struct man *);
static int post_fi(struct man *);
static int post_nf(struct man *);
static int post_AT(struct man *);
static int post_UC(struct man *);
const struct actions man_actions[MAN_MAX] = {
{ NULL }, /* br */
{ post_TH }, /* TH */
{ NULL }, /* SH */
{ NULL }, /* SS */
{ NULL }, /* TP */
{ NULL }, /* LP */
{ NULL }, /* PP */
{ NULL }, /* P */
{ NULL }, /* IP */
{ NULL }, /* HP */
{ NULL }, /* SM */
{ NULL }, /* SB */
{ NULL }, /* BI */
{ NULL }, /* IB */
{ NULL }, /* BR */
{ NULL }, /* RB */
{ NULL }, /* R */
{ NULL }, /* B */
{ NULL }, /* I */
{ NULL }, /* IR */
{ NULL }, /* RI */
{ NULL }, /* na */
{ NULL }, /* i */
{ NULL }, /* sp */
{ post_nf }, /* nf */
{ post_fi }, /* fi */
{ NULL }, /* r */
{ NULL }, /* RE */
{ NULL }, /* RS */
{ NULL }, /* DT */
{ post_UC }, /* UC */
{ NULL }, /* PD */
{ NULL }, /* Sp */
{ post_nf }, /* Vb */
{ post_fi }, /* Ve */
{ post_AT }, /* AT */
};
int
man_action_post(struct man *m)
{
if (MAN_ACTED & m->last->flags)
return(1);
m->last->flags |= MAN_ACTED;
switch (m->last->type) {
case (MAN_TEXT):
/* FALLTHROUGH */
case (MAN_ROOT):
return(1);
default:
break;
}
if (NULL == man_actions[m->last->tok].post)
return(1);
return((*man_actions[m->last->tok].post)(m));
}
static int
post_fi(struct man *m)
{
if ( ! (MAN_LITERAL & m->flags))
if ( ! man_nmsg(m, m->last, MANDOCERR_NOSCOPE))
return(0);
m->flags &= ~MAN_LITERAL;
return(1);
}
static int
post_nf(struct man *m)
{
if (MAN_LITERAL & m->flags)
if ( ! man_nmsg(m, m->last, MANDOCERR_SCOPEREP))
return(0);
m->flags |= MAN_LITERAL;
return(1);
}
static int
post_TH(struct man *m)
{
struct man_node *n;
if (m->meta.title)
free(m->meta.title);
if (m->meta.vol)
free(m->meta.vol);
if (m->meta.source)
free(m->meta.source);
if (m->meta.msec)
free(m->meta.msec);
if (m->meta.rawdate)
free(m->meta.rawdate);
m->meta.title = m->meta.vol = m->meta.rawdate =
m->meta.msec = m->meta.source = NULL;
m->meta.date = 0;
/* ->TITLE<- MSEC DATE SOURCE VOL */
n = m->last->child;
assert(n);
m->meta.title = mandoc_strdup(n->string);
/* TITLE ->MSEC<- DATE SOURCE VOL */
n = n->next;
assert(n);
m->meta.msec = mandoc_strdup(n->string);
/* TITLE MSEC ->DATE<- SOURCE VOL */
/*
* Try to parse the date. If this works, stash the epoch (this
* is optimal because we can reformat it in the canonical form).
* If it doesn't parse, isn't specified at all, or is an empty
* string, then use the current date.
*/
n = n->next;
if (n && n->string && *n->string) {
m->meta.date = mandoc_a2time
(MTIME_ISO_8601, n->string);
if (0 == m->meta.date) {
if ( ! man_nmsg(m, n, MANDOCERR_BADDATE))
return(0);
m->meta.rawdate = mandoc_strdup(n->string);
}
} else
m->meta.date = time(NULL);
/* TITLE MSEC DATE ->SOURCE<- VOL */
if (n && (n = n->next))
m->meta.source = mandoc_strdup(n->string);
/* TITLE MSEC DATE SOURCE ->VOL<- */
if (n && (n = n->next))
m->meta.vol = mandoc_strdup(n->string);
/*
* Remove the `TH' node after we've processed it for our
* meta-data.
*/
man_node_delete(m, m->last);
return(1);
}
static int
post_AT(struct man *m)
{
static const char * const unix_versions[] = {
"7th Edition",
"System III",
"System V",
"System V Release 2",
};
const char *p, *s;
struct man_node *n, *nn;
n = m->last->child;
if (NULL == n || MAN_TEXT != n->type)
p = unix_versions[0];
else {
s = n->string;
if (0 == strcmp(s, "3"))
p = unix_versions[0];
else if (0 == strcmp(s, "4"))
p = unix_versions[1];
else if (0 == strcmp(s, "5")) {
nn = n->next;
if (nn && MAN_TEXT == nn->type && nn->string[0])
p = unix_versions[3];
else
p = unix_versions[2];
} else
p = unix_versions[0];
}
if (m->meta.source)
free(m->meta.source);
m->meta.source = mandoc_strdup(p);
return(1);
}
static int
post_UC(struct man *m)
{
static const char * const bsd_versions[] = {
"3rd Berkeley Distribution",
"4th Berkeley Distribution",
"4.2 Berkeley Distribution",
"4.3 Berkeley Distribution",
"4.4 Berkeley Distribution",
};
const char *p, *s;
struct man_node *n;
n = m->last->child;
if (NULL == n || MAN_TEXT != n->type)
p = bsd_versions[0];
else {
s = n->string;
if (0 == strcmp(s, "3"))
p = bsd_versions[0];
else if (0 == strcmp(s, "4"))
p = bsd_versions[1];
else if (0 == strcmp(s, "5"))
p = bsd_versions[2];
else if (0 == strcmp(s, "6"))
p = bsd_versions[3];
else if (0 == strcmp(s, "7"))
p = bsd_versions[4];
else
p = bsd_versions[0];
}
if (m->meta.source)
free(m->meta.source);
m->meta.source = mandoc_strdup(p);
return(1);
}