-/* $Id: man.c,v 1.11 2009/03/26 14:38:11 kristaps Exp $ */
+/* $Id: man.c,v 1.27 2009/07/07 09:35:40 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* 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.
+ * 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.
+ * 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 <assert.h>
#include <ctype.h>
-#include <err.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include "libman.h"
+const char *const __man_merrnames[WERRMAX] = {
+ "invalid character", /* WNPRINT */
+ "system: malloc error", /* WNMEM */
+ "invalid manual section", /* WMSEC */
+ "invalid date format", /* WDATE */
+ "scope of prior line violated", /* WLNSCOPE */
+ "trailing whitespace", /* WTSPACE */
+ "unterminated quoted parameter", /* WTQUOTE */
+ "document has no body", /* WNODATA */
+ "document has no title/section", /* WNOTITLE */
+ "invalid escape sequence", /* WESCAPE */
+};
+
const char *const __man_macronames[MAN_MAX] = {
- "\\\"", "TH", "SH", "SS",
+ "br", "TH", "SH", "SS",
"TP", "LP", "PP", "P",
"IP", "HP", "SM", "SB",
"BI", "IB", "BR", "RB",
"R", "B", "I", "IR",
- "RI"
+ "RI", "na", "i"
};
const char * const *man_macronames = __man_macronames;
-static struct man_node *man_node_alloc(int, int, enum man_type);
+static struct man_node *man_node_alloc(int, int,
+ enum man_type, int);
static int man_node_append(struct man *,
struct man_node *);
static int man_ptext(struct man *, int, char *);
static int man_pmacro(struct man *, int, char *);
static void man_free1(struct man *);
-static void man_alloc1(struct man *);
+static int man_alloc1(struct man *);
const struct man_node *
}
-void
+int
man_reset(struct man *man)
{
man_free1(man);
- man_alloc1(man);
+ return(man_alloc1(man));
}
{
struct man *p;
- p = calloc(1, sizeof(struct man));
- if (NULL == p)
- err(1, "calloc");
-
- man_alloc1(p);
+ if (NULL == (p = calloc(1, sizeof(struct man))))
+ return(NULL);
- if (cb)
- (void)memcpy(&p->cb, cb, sizeof(struct man_cb));
+ if ( ! man_alloc1(p)) {
+ free(p);
+ return(NULL);
+ }
- p->htab = man_hash_alloc();
p->data = data;
p->pflags = pflags;
+ (void)memcpy(&p->cb, cb, sizeof(struct man_cb));
+ if (NULL == (p->htab = man_hash_alloc())) {
+ free(p);
+ return(NULL);
+ }
return(p);
}
}
-static void
+static int
man_alloc1(struct man *m)
{
m->flags = 0;
m->last = calloc(1, sizeof(struct man_node));
if (NULL == m->last)
- err(1, "calloc");
+ return(0);
m->first = m->last;
m->last->type = MAN_ROOT;
m->next = MAN_NEXT_CHILD;
+ return(1);
}
abort();
/* NOTREACHED */
}
+
+ p->parent->nchild++;
man->last = p;
static struct man_node *
-man_node_alloc(int line, int pos, enum man_type type)
+man_node_alloc(int line, int pos, enum man_type type, int tok)
{
struct man_node *p;
- if (NULL == (p = calloc(1, sizeof(struct man_node))))
- err(1, "malloc");
+ p = calloc(1, sizeof(struct man_node));
+ if (NULL == p)
+ return(NULL);
+
p->line = line;
p->pos = pos;
p->type = type;
-
+ p->tok = tok;
return(p);
}
{
struct man_node *p;
- p = man_node_alloc(line, pos, MAN_ELEM);
- p->tok = tok;
-
+ p = man_node_alloc(line, pos, MAN_ELEM, tok);
+ if (NULL == p)
+ return(0);
return(man_node_append(man, p));
}
{
struct man_node *p;
- p = man_node_alloc(line, pos, MAN_TEXT);
+ p = man_node_alloc(line, pos, MAN_TEXT, -1);
+ if (NULL == p)
+ return(0);
if (NULL == (p->string = strdup(word)))
- err(1, "strdup");
-
+ return(0);
return(man_node_append(man, p));
}
if (p->string)
free(p->string);
+ if (p->parent)
+ p->parent->nchild--;
free(p);
}
if (p->next)
man_node_freelist(p->next);
+ assert(0 == p->nchild);
man_node_free(p);
}
ppos = i;
- if (buf[i] && '\\' == buf[i])
- if (buf[i + 1] && '\"' == buf[i + 1])
- goto out;
-
/* Copy the first word into a nil-terminated buffer. */
for (j = 0; j < 4; j++, i++) {
if ( ! man_vwarn(m, ln, ppos,
"ill-formed macro: %s", mac))
goto err;
- goto out;
+ return(1);
}
if (MAN_MAX == (c = man_hash_find(m->htab, mac))) {
if ( ! man_vwarn(m, ln, ppos,
"unknown macro: %s", mac))
goto err;
- goto out;
+ return(1);
}
/* The macro is sane. Jump to the next word. */
if (fl) {
/*
* A NLINE macro has been immediately followed with
- * another. Close out the preceeding macro's scope, and
+ * another. Close out the preceding macro's scope, and
* continue.
*/
assert(MAN_ROOT != m->last->type);
}
+int
+man_err(struct man *m, int line, int pos, int iserr, enum merr type)
+{
+ const char *p;
+
+ p = __man_merrnames[(int)type];
+ assert(p);
+
+ if (iserr)
+ return(man_verr(m, line, pos, p));
+
+ return(man_vwarn(m, line, pos, p));
+}