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/* $Id$ */
/*
* Copyright (c) 2011 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.
*/
#include "config.h"
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mandoc.h"
#include "roff.h"
#include "man.h"
#include "mdoc.h"
static void pline(int, int *, int *, int);
static void pman(const struct roff_node *, int *, int *, int);
static void pmandoc(struct mparse *, int, const char *, int);
static void pmdoc(const struct roff_node *, int *, int *, int);
static void pstring(const char *, int, int *, int);
static void usage(void);
static const char *progname;
int
main(int argc, char *argv[])
{
struct mparse *mp;
int ch, fd, i, list;
extern int optind;
if (argc < 1)
progname = "demandoc";
else if ((progname = strrchr(argv[0], '/')) == NULL)
progname = argv[0];
else
++progname;
mp = NULL;
list = 0;
while (-1 != (ch = getopt(argc, argv, "ikm:pw")))
switch (ch) {
case ('i'):
/* FALLTHROUGH */
case ('k'):
/* FALLTHROUGH */
case ('m'):
/* FALLTHROUGH */
case ('p'):
break;
case ('w'):
list = 1;
break;
default:
usage();
return (int)MANDOCLEVEL_BADARG;
}
argc -= optind;
argv += optind;
mchars_alloc();
mp = mparse_alloc(MPARSE_SO, MANDOCERR_MAX, NULL,
MANDOC_OS_OTHER, NULL);
assert(mp);
if (argc < 1)
pmandoc(mp, STDIN_FILENO, "<stdin>", list);
for (i = 0; i < argc; i++) {
mparse_reset(mp);
if ((fd = mparse_open(mp, argv[i])) == -1) {
perror(argv[i]);
continue;
}
pmandoc(mp, fd, argv[i], list);
}
mparse_free(mp);
mchars_free();
return (int)MANDOCLEVEL_OK;
}
static void
usage(void)
{
fprintf(stderr, "usage: %s [-w] [files...]\n", progname);
}
static void
pmandoc(struct mparse *mp, int fd, const char *fn, int list)
{
struct roff_man *man;
int line, col;
mparse_readfd(mp, fd, fn);
close(fd);
mparse_result(mp, &man, NULL);
line = 1;
col = 0;
if (man == NULL)
return;
if (man->macroset == MACROSET_MDOC) {
mdoc_validate(man);
pmdoc(man->first->child, &line, &col, list);
} else {
man_validate(man);
pman(man->first->child, &line, &col, list);
}
if ( ! list)
putchar('\n');
}
/*
* Strip the escapes out of a string, emitting the results.
*/
static void
pstring(const char *p, int col, int *colp, int list)
{
enum mandoc_esc esc;
const char *start, *end;
int emit;
/*
* Print as many column spaces til we achieve parity with the
* input document.
*/
again:
if (list && '\0' != *p) {
while (isspace((unsigned char)*p))
p++;
while ('\'' == *p || '(' == *p || '"' == *p)
p++;
emit = isalpha((unsigned char)p[0]) &&
isalpha((unsigned char)p[1]);
for (start = p; '\0' != *p; p++)
if ('\\' == *p) {
p++;
esc = mandoc_escape(&p, NULL, NULL);
if (ESCAPE_ERROR == esc)
return;
emit = 0;
} else if (isspace((unsigned char)*p))
break;
end = p - 1;
while (end > start)
if ('.' == *end || ',' == *end ||
'\'' == *end || '"' == *end ||
')' == *end || '!' == *end ||
'?' == *end || ':' == *end ||
';' == *end)
end--;
else
break;
if (emit && end - start >= 1) {
for ( ; start <= end; start++)
if (ASCII_HYPH == *start)
putchar('-');
else
putchar((unsigned char)*start);
putchar('\n');
}
if (isspace((unsigned char)*p))
goto again;
return;
}
while (*colp < col) {
putchar(' ');
(*colp)++;
}
/*
* Print the input word, skipping any special characters.
*/
while ('\0' != *p)
if ('\\' == *p) {
p++;
esc = mandoc_escape(&p, NULL, NULL);
if (ESCAPE_ERROR == esc)
break;
} else {
putchar((unsigned char )*p++);
(*colp)++;
}
}
static void
pline(int line, int *linep, int *col, int list)
{
if (list)
return;
/*
* Print out as many lines as needed to reach parity with the
* original input.
*/
while (*linep < line) {
putchar('\n');
(*linep)++;
}
*col = 0;
}
static void
pmdoc(const struct roff_node *p, int *line, int *col, int list)
{
for ( ; p; p = p->next) {
if (NODE_LINE & p->flags)
pline(p->line, line, col, list);
if (ROFFT_TEXT == p->type)
pstring(p->string, p->pos, col, list);
if (p->child)
pmdoc(p->child, line, col, list);
}
}
static void
pman(const struct roff_node *p, int *line, int *col, int list)
{
for ( ; p; p = p->next) {
if (NODE_LINE & p->flags)
pline(p->line, line, col, list);
if (ROFFT_TEXT == p->type)
pstring(p->string, p->pos, col, list);
if (p->child)
pman(p->child, line, col, list);
}
}
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