Added man_action.c, renamed mdoc_action.c.

1 files changed, 0 insertions, 708 deletions

diff --git a/action.c b/action.c
deleted file mode 100644
index 168c851f..00000000
--- a/action.c
+++ /dev/null
@@ -1,708 +0,0 @@
-/* $Id: action.c,v 1.51 2009/03/23 14:31:58 kristaps Exp $ */
-/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
- *
- * 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.
- */
-#include <sys/utsname.h>
-
-#include <assert.h>
-#include <err.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "libmdoc.h"
-
-/*
- * Actions are executed on macros after they've been post-validated: in
- * other words, a macro will not be "acted upon" until all of its
- * children have been filled in (post-fix order).
- */
-
-enum	mwarn {
-	WBADSEC,
-	WNOWIDTH,
-	WBADDATE
-};
-
-#define	PRE_ARGS  struct mdoc *m, const struct mdoc_node *n
-#define	POST_ARGS struct mdoc *m
-
-struct	actions {
-	int	(*pre)(PRE_ARGS);
-	int	(*post)(POST_ARGS);
-};
-
-static	int	  pwarn(struct mdoc *, int, int, enum mwarn);
-
-static	int	  post_ar(POST_ARGS);
-static	int	  post_bl(POST_ARGS);
-static	int	  post_bl_width(POST_ARGS);
-static	int	  post_bl_tagwidth(POST_ARGS);
-static	int	  post_dd(POST_ARGS);
-static	int	  post_display(POST_ARGS);
-static	int	  post_dt(POST_ARGS);
-static	int	  post_nm(POST_ARGS);
-static	int	  post_os(POST_ARGS);
-static	int	  post_prol(POST_ARGS);
-static	int	  post_sh(POST_ARGS);
-static	int	  post_std(POST_ARGS);
-
-static	int	  pre_bd(PRE_ARGS);
-static	int	  pre_dl(PRE_ARGS);
-
-#define	mwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t))
-
-const	struct actions mdoc_actions[MDOC_MAX] = {
-	{ NULL, NULL }, /* \" */
-	{ NULL, post_dd }, /* Dd */ 
-	{ NULL, post_dt }, /* Dt */ 
-	{ NULL, post_os }, /* Os */ 
-	{ NULL, post_sh }, /* Sh */ 
-	{ NULL, NULL }, /* Ss */ 
-	{ NULL, NULL }, /* Pp */ 
-	{ NULL, NULL }, /* D1 */
-	{ pre_dl, post_display }, /* Dl */
-	{ pre_bd, post_display }, /* Bd */ 
-	{ NULL, NULL }, /* Ed */
-	{ NULL, post_bl }, /* Bl */ 
-	{ NULL, NULL }, /* El */
-	{ NULL, NULL }, /* It */
-	{ NULL, NULL }, /* Ad */ 
-	{ NULL, NULL }, /* An */
-	{ NULL, post_ar }, /* Ar */
-	{ NULL, NULL }, /* Cd */
-	{ NULL, NULL }, /* Cm */
-	{ NULL, NULL }, /* Dv */ 
-	{ NULL, NULL }, /* Er */ 
-	{ NULL, NULL }, /* Ev */ 
-	{ NULL, post_std }, /* Ex */
-	{ NULL, NULL }, /* Fa */ 
-	{ NULL, NULL }, /* Fd */ 
-	{ NULL, NULL }, /* Fl */
-	{ NULL, NULL }, /* Fn */ 
-	{ NULL, NULL }, /* Ft */ 
-	{ NULL, NULL }, /* Ic */ 
-	{ NULL, NULL }, /* In */ 
-	{ NULL, NULL }, /* Li */
-	{ NULL, NULL }, /* Nd */ 
-	{ NULL, post_nm }, /* Nm */ 
-	{ NULL, NULL }, /* Op */
-	{ NULL, NULL }, /* Ot */
-	{ NULL, NULL }, /* Pa */
-	{ NULL, post_std }, /* Rv */
-	{ NULL, NULL }, /* St */
-	{ NULL, NULL }, /* Va */
-	{ NULL, NULL }, /* Vt */ 
-	{ NULL, NULL }, /* Xr */
-	{ NULL, NULL }, /* %A */
-	{ NULL, NULL }, /* %B */
-	{ NULL, NULL }, /* %D */
-	{ NULL, NULL }, /* %I */
-	{ NULL, NULL }, /* %J */
-	{ NULL, NULL }, /* %N */
-	{ NULL, NULL }, /* %O */
-	{ NULL, NULL }, /* %P */
-	{ NULL, NULL }, /* %R */
-	{ NULL, NULL }, /* %T */
-	{ NULL, NULL }, /* %V */
-	{ NULL, NULL }, /* Ac */
-	{ NULL, NULL }, /* Ao */
-	{ NULL, NULL }, /* Aq */
-	{ NULL, NULL }, /* At */ 
-	{ NULL, NULL }, /* Bc */
-	{ NULL, NULL }, /* Bf */ 
-	{ NULL, NULL }, /* Bo */
-	{ NULL, NULL }, /* Bq */
-	{ NULL, NULL }, /* Bsx */
-	{ NULL, NULL }, /* Bx */
-	{ NULL, NULL }, /* Db */
-	{ NULL, NULL }, /* Dc */
-	{ NULL, NULL }, /* Do */
-	{ NULL, NULL }, /* Dq */
-	{ NULL, NULL }, /* Ec */
-	{ NULL, NULL }, /* Ef */
-	{ NULL, NULL }, /* Em */ 
-	{ NULL, NULL }, /* Eo */
-	{ NULL, NULL }, /* Fx */
-	{ NULL, NULL }, /* Ms */
-	{ NULL, NULL }, /* No */
-	{ NULL, NULL }, /* Ns */
-	{ NULL, NULL }, /* Nx */
-	{ NULL, NULL }, /* Ox */
-	{ NULL, NULL }, /* Pc */
-	{ NULL, NULL }, /* Pf */
-	{ NULL, NULL }, /* Po */
-	{ NULL, NULL }, /* Pq */
-	{ NULL, NULL }, /* Qc */
-	{ NULL, NULL }, /* Ql */
-	{ NULL, NULL }, /* Qo */
-	{ NULL, NULL }, /* Qq */
-	{ NULL, NULL }, /* Re */
-	{ NULL, NULL }, /* Rs */
-	{ NULL, NULL }, /* Sc */
-	{ NULL, NULL }, /* So */
-	{ NULL, NULL }, /* Sq */
-	{ NULL, NULL }, /* Sm */
-	{ NULL, NULL }, /* Sx */
-	{ NULL, NULL }, /* Sy */
-	{ NULL, NULL }, /* Tn */
-	{ NULL, NULL }, /* Ux */
-	{ NULL, NULL }, /* Xc */
-	{ NULL, NULL }, /* Xo */
-	{ NULL, NULL }, /* Fo */ 
-	{ NULL, NULL }, /* Fc */ 
-	{ NULL, NULL }, /* Oo */
-	{ NULL, NULL }, /* Oc */
-	{ NULL, NULL }, /* Bk */
-	{ NULL, NULL }, /* Ek */
-	{ NULL, NULL }, /* Bt */
-	{ NULL, NULL }, /* Hf */
-	{ NULL, NULL }, /* Fr */
-	{ NULL, NULL }, /* Ud */
-	{ NULL, NULL }, /* Lb */
-	{ NULL, NULL }, /* Ap */
-	{ NULL, NULL }, /* Lp */
-	{ NULL, NULL }, /* Lk */
-	{ NULL, NULL }, /* Mt */
-	{ NULL, NULL }, /* Brq */
-	{ NULL, NULL }, /* Bro */
-	{ NULL, NULL }, /* Brc */
-	{ NULL, NULL }, /* %C */
-	{ NULL, NULL }, /* Es */
-	{ NULL, NULL }, /* En */
-	{ NULL, NULL }, /* Dx */
-	{ NULL, NULL }, /* %Q */
-};
-
-
-int
-mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)
-{
-
-	switch (n->type) {
-	case (MDOC_ROOT):
-		break;
-	case (MDOC_TEXT):
-		break;
-	default:
-		if (NULL == mdoc_actions[m->last->tok].pre)
-			break;
-		return((*mdoc_actions[m->last->tok].pre)(m, n));
-	}
-	return(1);
-}
-
-
-int
-mdoc_action_post(struct mdoc *m)
-{
-
-	if (MDOC_ACTED & m->last->flags)
-		return(1);
-	m->last->flags |= MDOC_ACTED;
-
-	switch (m->last->type) {
-	case (MDOC_TEXT):
-		break;
-	case (MDOC_ROOT):
-		break;
-	default:
-		if (NULL == mdoc_actions[m->last->tok].post)
-			break;
-		return((*mdoc_actions[m->last->tok].post)(m));
-	}
-	return(1);
-}
-
-
-static int
-pwarn(struct mdoc *m, int line, int pos, enum mwarn type)
-{
-	char		*p;
-	int		 c;
-
-	p = NULL;
-	c = WARN_SYNTAX;
-
-	switch (type) {
-	case (WBADSEC):
-		p = "inappropriate document section in manual section";
-		c = WARN_COMPAT;
-		break;
-	case (WNOWIDTH):
-		p = "cannot determine default width";
-		break;
-	case (WBADDATE):
-		p = "malformed date syntax";
-		break;
-	}
-
-	assert(p);
-	return(mdoc_pwarn(m, line, pos, c, p));
-}
-
-
-static int
-post_std(POST_ARGS)
-{
-
-	/*
-	 * If '-std' is invoked without an argument, fill it in with our
-	 * name (if it's been set).
-	 */
-
-	if (NULL == m->last->args)
-		return(1);
-	if (m->last->args->argv[0].sz)
-		return(1);
-
-	assert(m->meta.name);
-
-	m->last->args->argv[0].value = calloc(1, sizeof(char *));
-	if (NULL == m->last->args->argv[0].value)
-		err(1, "calloc");
-
-	m->last->args->argv[0].sz = 1;
-	m->last->args->argv[0].value[0] = xstrdup(m->meta.name);
-	return(1);
-}
-
-
-static int
-post_nm(POST_ARGS)
-{
-	char		 buf[64];
-
-	if (m->meta.name)
-		return(1);
-
-	(void)xstrlcpys(buf, m->last->child, sizeof(buf));
-	m->meta.name = xstrdup(buf);
-
-	return(1);
-}
-
-
-static int
-post_sh(POST_ARGS)
-{
-	enum mdoc_sec	 sec;
-	char		 buf[64];
-
-	/*
-	 * We keep track of the current section /and/ the "named"
-	 * section, which is one of the conventional ones, in order to
-	 * check ordering.
-	 */
-
-	if (MDOC_HEAD != m->last->type)
-		return(1);
-
-	(void)xstrlcpys(buf, m->last->child, sizeof(buf));
-	if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
-		m->lastnamed = sec;
-
-	switch ((m->lastsec = sec)) {
-	case (SEC_RETURN_VALUES):
-		/* FALLTHROUGH */
-	case (SEC_ERRORS):
-		switch (m->meta.msec) {
-		case (2):
-			/* FALLTHROUGH */
-		case (3):
-			/* FALLTHROUGH */
-		case (9):
-			break;
-		default:
-			return(mwarn(m, WBADSEC));
-		}
-		break;
-	default:
-		break;
-	}
-	return(1);
-}
-
-
-static int
-post_dt(POST_ARGS)
-{
-	struct mdoc_node *n;
-	const char	 *cp;
-	char		 *ep;
-	long		  lval;
-
-	if (m->meta.title)
-		free(m->meta.title);
-	if (m->meta.vol)
-		free(m->meta.vol);
-	if (m->meta.arch)
-		free(m->meta.arch);
-
-	m->meta.title = m->meta.vol = m->meta.arch = NULL;
-	m->meta.msec = 0;
-
-	/* Handles: `.Dt' 
-	 *   --> title = unknown, volume = local, msec = 0, arch = NULL
-	 */
-
-	if (NULL == (n = m->last->child)) {
-		m->meta.title = xstrdup("unknown");
-		m->meta.vol = xstrdup("local");
-		return(post_prol(m));
-	}
-
-	/* Handles: `.Dt TITLE' 
-	 *   --> title = TITLE, volume = local, msec = 0, arch = NULL
-	 */
-
-	m->meta.title = xstrdup(n->string);
-
-	if (NULL == (n = n->next)) {
-		m->meta.vol = xstrdup("local");
-		return(post_prol(m));
-	}
-
-	/* Handles: `.Dt TITLE SEC'
-	 *   --> title = TITLE, volume = SEC is msec ? 
-	 *           format(msec) : SEC,
-	 *       msec = SEC is msec ? atoi(msec) : 0,
-	 *       arch = NULL
-	 */
-
-	cp = mdoc_a2msec(n->string);
-	if (cp) {
-		m->meta.vol = xstrdup(cp);
-		errno = 0;
-		lval = strtol(n->string, &ep, 10);
-		if (n->string[0] != '\0' && *ep == '\0')
-			m->meta.msec = (int)lval;
-	} else 
-		m->meta.vol = xstrdup(n->string);
-
-	if (NULL == (n = n->next))
-		return(post_prol(m));
-
-	/* Handles: `.Dt TITLE SEC VOL'
-	 *   --> title = TITLE, volume = VOL is vol ?
-	 *       format(VOL) : 
-	 *           VOL is arch ? format(arch) : 
-	 *               VOL
-	 */
-
-	cp = mdoc_a2vol(n->string);
-	if (cp) {
-		free(m->meta.vol);
-		m->meta.vol = xstrdup(cp);
-		n = n->next;
-	} else {
-		cp = mdoc_a2arch(n->string);
-		if (NULL == cp) {
-			free(m->meta.vol);
-			m->meta.vol = xstrdup(n->string);
-		} else
-			m->meta.arch = xstrdup(cp);
-	}	
-
-	/* Ignore any subsequent parameters... */
-
-	return(post_prol(m));
-}
-
-
-static int
-post_os(POST_ARGS)
-{
-	char		  buf[64];
-	struct utsname	  utsname;
-
-	if (m->meta.os)
-		free(m->meta.os);
-
-	(void)xstrlcpys(buf, m->last->child, sizeof(buf));
-
-	if (0 == buf[0]) {
-		if (-1 == uname(&utsname))
-			return(mdoc_err(m, "utsname"));
-		(void)xstrlcpy(buf, utsname.sysname, sizeof(buf));
-		(void)xstrlcat(buf, " ", sizeof(buf));
-		(void)xstrlcat(buf, utsname.release, sizeof(buf));
-	}
-
-	m->meta.os = xstrdup(buf);
-	m->lastnamed = m->lastsec = SEC_BODY;
-
-	return(post_prol(m));
-}
-
-
-/*
- * Calculate the -width for a `Bl -tag' list if it hasn't been provided.
- * Uses the first head macro.
- */
-static int
-post_bl_tagwidth(struct mdoc *m)
-{
-	struct mdoc_node  *n;
-	int		   sz;
-	char		   buf[32];
-
-	/*
-	 * Use the text width, if a text node, or the default macro
-	 * width if a macro.
-	 */
-
-	n = m->last->head->child;
-	sz = 10; /* Default size. */
-
-	if (n) {
-		if (MDOC_TEXT != n->type) {
-			if (0 == (sz = (int)mdoc_macro2len(n->tok)))
-				if ( ! mwarn(m, WNOWIDTH))
-					return(0);
-		} else
-			sz = (int)strlen(n->string) + 1;
-	} 
-
-	(void)snprintf(buf, sizeof(buf), "%dn", sz);
-
-	/*
-	 * We have to dynamically add this to the macro's argument list.
-	 * We're guaranteed that a MDOC_Width doesn't already exist.
-	 */
-
-	n = m->last;
-	assert(n->args);
-
-	(n->args->argc)++;
-	n->args->argv = xrealloc(n->args->argv, 
-			n->args->argc * sizeof(struct mdoc_argv));
-
-	n->args->argv[n->args->argc - 1].arg = MDOC_Width;
-	n->args->argv[n->args->argc - 1].line = m->last->line;
-	n->args->argv[n->args->argc - 1].pos = m->last->pos;
-	n->args->argv[n->args->argc - 1].sz = 1;
-	n->args->argv[n->args->argc - 1].value = calloc(1, sizeof(char *));
-	if (NULL == n->args->argv[n->args->argc - 1].value)
-		err(1, "calloc");
-	n->args->argv[n->args->argc - 1].value[0] = xstrdup(buf);
-
-	return(1);
-}
-
-
-static int
-post_bl_width(struct mdoc *m)
-{
-	size_t		  width;
-	int		  i, tok;
-	char		  buf[32];
-	char		 *p;
-
-	if (NULL == m->last->args)
-		return(1);
-
-	for (i = 0; i < (int)m->last->args->argc; i++)
-		if (MDOC_Width == m->last->args->argv[i].arg)
-			break;
-
-	if (i == (int)m->last->args->argc)
-		return(1);
-
-	p = m->last->args->argv[i].value[0];
-
-	/*
-	 * If the value to -width is a macro, then we re-write it to be
-	 * the macro's width as set in share/tmac/mdoc/doc-common.
-	 */
-
-	if (xstrcmp(p, "Ds"))
-		width = 8;
-	else if (MDOC_MAX == (tok = mdoc_tokhash_find(m->htab, p)))
-		return(1);
-	else if (0 == (width = mdoc_macro2len(tok))) 
-		return(mwarn(m, WNOWIDTH));
-
-	/* The value already exists: free and reallocate it. */
-
-	(void)snprintf(buf, sizeof(buf), "%zun", width);
-
-	free(m->last->args->argv[i].value[0]);
-	m->last->args->argv[i].value[0] = xstrdup(buf);
-
-	return(1);
-}
-
-
-static int
-post_bl(POST_ARGS)
-{
-	int		  i, r, len;
-
-	if (MDOC_BLOCK != m->last->type)
-		return(1);
-
-	/*
-	 * These are fairly complicated, so we've broken them into two
-	 * functions.  post_bl_tagwidth() is called when a -tag is
-	 * specified, but no -width (it must be guessed).  The second
-	 * when a -width is specified (macro indicators must be
-	 * rewritten into real lengths).
-	 */
-
-	len = (int)(m->last->args ? m->last->args->argc : 0);
-
-	for (r = i = 0; i < len; i++) {
-		if (MDOC_Tag == m->last->args->argv[i].arg)
-			r |= 1 << 0;
-		if (MDOC_Width == m->last->args->argv[i].arg)
-			r |= 1 << 1;
-	}
-
-	if (r & (1 << 0) && ! (r & (1 << 1))) {
-		if ( ! post_bl_tagwidth(m))
-			return(0);
-	} else if (r & (1 << 1))
-		if ( ! post_bl_width(m))
-			return(0);
-
-	return(1);
-}
-
-
-static int
-post_ar(POST_ARGS)
-{
-	struct mdoc_node *n;
-
-	if (m->last->child)
-		return(1);
-	
-	n = m->last;
-	m->next = MDOC_NEXT_CHILD;
-	if ( ! mdoc_word_alloc(m, m->last->line,
-				m->last->pos, "file"))
-		return(0);
-	m->next = MDOC_NEXT_SIBLING;
-	if ( ! mdoc_word_alloc(m, m->last->line, 
-				m->last->pos, "..."))
-		return(0);
-
-	m->last = n;
-	m->next = MDOC_NEXT_SIBLING;
-	return(1);
-}
-
-
-static int
-post_dd(POST_ARGS)
-{
-	char		  buf[64];
-
-	(void)xstrlcpys(buf, m->last->child, sizeof(buf));
-
-	if (0 == (m->meta.date = mdoc_atotime(buf))) {
-		if ( ! mwarn(m, WBADDATE))
-			return(0);
-		m->meta.date = time(NULL);
-	}
-
-	return(post_prol(m));
-}
-
-
-static int
-post_prol(POST_ARGS)
-{
-	struct mdoc_node *n;
-
-	/* 
-	 * The end document shouldn't have the prologue macros as part
-	 * of the syntax tree (they encompass only meta-data).  
-	 */
-
-	if (m->last->parent->child == m->last)
-		m->last->parent->child = m->last->prev;
-	if (m->last->prev)
-		m->last->prev->next = NULL;
-
-	n = m->last;
-	assert(NULL == m->last->next);
-
-	if (m->last->prev) {
-		m->last = m->last->prev;
-		m->next = MDOC_NEXT_SIBLING;
-	} else {
-		m->last = m->last->parent;
-		m->next = MDOC_NEXT_CHILD;
-	}
-
-	mdoc_node_freelist(n);
-	return(1);
-}
-
-
-static int
-pre_dl(PRE_ARGS)
-{
-
-	if (MDOC_BODY != n->type)
-		return(1);
-	m->flags |= MDOC_LITERAL;
-	return(1);
-}
-
-
-static int
-pre_bd(PRE_ARGS)
-{
-	int		 i;
-
-	if (MDOC_BODY != n->type)
-		return(1);
-
-	/* 
-	 * We ONLY enter a literal context if `Bd -literal' or `Bd
-	 * -unfilled'.  
-	 */
-
-	n = n->parent;
-
-	for (i = 0; i < (int)n->args->argc; i++)
-		if (MDOC_Literal == n->args->argv[i].arg)
-			break;
-		else if (MDOC_Unfilled == n->args->argv[i].arg)
-			break;
-
-	if (i < (int)n->args->argc)
-		m->flags |= MDOC_LITERAL;
-
-	return(1);
-}
-
-
-static int
-post_display(POST_ARGS)
-{
-
-	if (MDOC_BODY == m->last->type)
-		m->flags &= ~MDOC_LITERAL;
-	return(1);
-}
-
-