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-rw-r--r--mdocml.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/mdocml.c b/mdocml.c
deleted file mode 100644
index 7907a99d..00000000
--- a/mdocml.c
+++ /dev/null
@@ -1,385 +0,0 @@
- /* $Id$ */
-/*
- * Copyright (c) 2008 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.
- *
- * 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/stat.h>
-#include <sys/param.h>
-
-#include <assert.h>
-#include <fcntl.h>
-#include <err.h>
-#include <getopt.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "mdoc.h"
-
-#define MD_LINE_SZ (256) /* Max input line size. */
-
-typedef int (*md_print)(const struct mdoc_node *,
- const struct mdoc_meta *);
-
-struct md_parse {
- int warn; /* Warning flags. */
-#define MD_WARN_SYNTAX (1 << 0) /* Show syntax warnings. */
-#define MD_WARN_COMPAT (1 << 1) /* Show compat warnings. */
-#define MD_WARN_ALL (0x03) /* Show all warnings. */
-#define MD_WARN_ERR (1 << 2) /* Make warnings->errors. */
- int dbg; /* Debug level. */
- struct mdoc *mdoc; /* Active parser. */
- char *buf; /* Input buffer. */
- u_long bufsz; /* Input buffer size. */
- char *in; /* Input file name. */
- int fdin; /* Input file desc. */
- md_print fp;
-};
-
-extern char *__progname;
-
-static void usage(void);
-
-static int parse_opts(struct md_parse *, int, char *[]);
-static int parse_subopts(struct md_parse *, char *);
-
-static int parse_begin(struct md_parse *);
-static int parse_leave(struct md_parse *, int);
-static int io_begin(struct md_parse *);
-static int io_leave(struct md_parse *, int);
-static int buf_begin(struct md_parse *);
-static int buf_leave(struct md_parse *, int);
-
-static void msg_msg(void *, int, int, const char *);
-static int msg_err(void *, int, int, const char *);
-static int msg_warn(void *, int, int,
- enum mdoc_warn, const char *);
-
-#ifdef __linux__
-extern int getsubopt(char **, char *const *, char **);
-#endif
-
-int
-main(int argc, char *argv[])
-{
- struct md_parse parser;
-
- (void)memset(&parser, 0, sizeof(struct md_parse));
-
- if ( ! parse_opts(&parser, argc, argv))
- return(EXIT_FAILURE);
- if ( ! io_begin(&parser))
- return(EXIT_FAILURE);
-
- return(EXIT_SUCCESS);
-}
-
-
-static int
-io_leave(struct md_parse *p, int code)
-{
-
- if (-1 == p->fdin || STDIN_FILENO == p->fdin)
- return(code);
-
- if (-1 == close(p->fdin)) {
- warn("%s", p->in);
- code = 0;
- }
- return(code);
-}
-
-
-static int
-parse_subopts(struct md_parse *p, char *arg)
-{
- char *v;
- char *toks[] = { "all", "compat",
- "syntax", "error", NULL };
-
- /*
- * Future -Wxxx levels and so on should be here. For now we
- * only recognise syntax and compat warnings as categories,
- * beyond the usually "all" and "error" (make warn error out).
- */
-
- while (*arg)
- switch (getsubopt(&arg, toks, &v)) {
- case (0):
- p->warn |= MD_WARN_ALL;
- break;
- case (1):
- p->warn |= MD_WARN_COMPAT;
- break;
- case (2):
- p->warn |= MD_WARN_SYNTAX;
- break;
- case (3):
- p->warn |= MD_WARN_ERR;
- break;
- default:
- usage();
- return(0);
- }
-
- return(1);
-}
-
-
-static int
-parse_opts(struct md_parse *p, int argc, char *argv[])
-{
- int c;
-
- extern char *optarg;
- extern int optind;
-
- extern int termprint(const struct mdoc_node *,
- const struct mdoc_meta *);
- extern int treeprint(const struct mdoc_node *,
- const struct mdoc_meta *);
-
- p->in = "-";
-
- while (-1 != (c = getopt(argc, argv, "f:vW:")))
- switch (c) {
- case ('f'):
- if (0 == strcmp(optarg, "tree")) {
- p->fp = treeprint;
- break;
- } else if (0 == strcmp(optarg, "term")) {
- p->fp = termprint;
- break;
- }
- warnx("unknown filter: %s", optarg);
- return(0);
- case ('v'):
- p->dbg++;
- break;
- case ('W'):
- if ( ! parse_subopts(p, optarg))
- return(0);
- break;
- default:
- usage();
- return(0);
- }
-
- argv += optind;
- if (0 == (argc -= optind))
- return(1);
-
- p->in = *argv++;
- return(1);
-}
-
-
-static int
-io_begin(struct md_parse *p)
-{
-
- p->fdin = STDIN_FILENO;
- if (0 != strncmp(p->in, "-", 1))
- if (-1 == (p->fdin = open(p->in, O_RDONLY, 0))) {
- warn("%s", p->in);
- return(io_leave(p, 0));
- }
-
- return(io_leave(p, buf_begin(p)));
-}
-
-
-static int
-buf_leave(struct md_parse *p, int code)
-{
-
- if (p->buf)
- free(p->buf);
- return(code);
-}
-
-
-static int
-buf_begin(struct md_parse *p)
-{
- struct stat st;
-
- if (-1 == fstat(p->fdin, &st)) {
- warn("%s", p->in);
- return(0);
- }
-
- /*
- * Try to intuit the fastest way of sucking down buffered data
- * by using either the block buffer size or the hard-coded one.
- * This is inspired by bin/cat.c.
- */
-
- p->bufsz = MAX(st.st_blksize, BUFSIZ);
-
- if (NULL == (p->buf = malloc(p->bufsz))) {
- warn("malloc");
- return(buf_leave(p, 0));
- }
-
- return(buf_leave(p, parse_begin(p)));
-}
-
-
-static int
-parse_leave(struct md_parse *p, int code)
-{
- md_print fp;
-
- if (NULL == p->mdoc)
- return(code);
-
- if ( ! mdoc_endparse(p->mdoc))
- code = 0;
-
- if (code && (fp = p->fp)) {
- if ( ! (*fp)(mdoc_node(p->mdoc), mdoc_meta(p->mdoc)))
- code = 0;
- }
-
- mdoc_free(p->mdoc);
- return(code);
-}
-
-
-static int
-parse_begin(struct md_parse *p)
-{
- ssize_t sz, i;
- size_t pos;
- char line[MD_LINE_SZ];
- struct mdoc_cb cb;
- int lnn;
-
- cb.mdoc_err = msg_err;
- cb.mdoc_warn = msg_warn;
- cb.mdoc_msg = msg_msg;
-
- if (NULL == (p->mdoc = mdoc_alloc(p, &cb)))
- return(parse_leave(p, 0));
-
- /*
- * This is a little more complicated than fgets. TODO: have
- * some benchmarks that show it's faster (note that I want to
- * check many, many manuals simultaneously, so speed is
- * important). Fill a buffer (sized to the block size) with a
- * single read, then parse \n-terminated lines into a line
- * buffer, which is passed to the parser. Hard-code the line
- * buffer to a particular size -- a reasonable assumption.
- */
-
- for (lnn = 1, pos = 0; ; ) {
- if (-1 == (sz = read(p->fdin, p->buf, p->bufsz))) {
- warn("%s", p->in);
- return(parse_leave(p, 0));
- } else if (0 == sz)
- break;
-
- for (i = 0; i < sz; i++) {
- if ('\n' != p->buf[i]) {
- if (pos < sizeof(line)) {
- line[(int)pos++] = p->buf[(int)i];
- continue;
- }
- warnx("%s: line %d too long", p->in, lnn);
- return(parse_leave(p, 0));
- }
-
- line[(int)pos] = 0;
- if ( ! mdoc_parseln(p->mdoc, lnn, line))
- return(parse_leave(p, 0));
-
- lnn++;
- pos = 0;
- }
- }
-
- return(parse_leave(p, 1));
-}
-
-
-static int
-msg_err(void *arg, int line, int col, const char *msg)
-{
- struct md_parse *p;
-
- p = (struct md_parse *)arg;
-
- warnx("%s:%d: error: %s (column %d)",
- p->in, line, msg, col);
- return(0);
-}
-
-
-static void
-msg_msg(void *arg, int line, int col, const char *msg)
-{
- struct md_parse *p;
-
- p = (struct md_parse *)arg;
-
- if (0 == p->dbg)
- return;
-
- warnx("%s:%d: debug: %s (column %d)",
- p->in, line, msg, col);
-}
-
-
-static int
-msg_warn(void *arg, int line, int col,
- enum mdoc_warn type, const char *msg)
-{
- struct md_parse *p;
-
- p = (struct md_parse *)arg;
-
- switch (type) {
- case (WARN_COMPAT):
- if (p->warn & MD_WARN_COMPAT)
- break;
- return(1);
- case (WARN_SYNTAX):
- if (p->warn & MD_WARN_SYNTAX)
- break;
- return(1);
- }
-
- warnx("%s:%d: warning: %s (column %d)",
- p->in, line, msg, col);
-
- if ( ! (p->warn & MD_WARN_ERR))
- return(1);
-
- warnx("%s: considering warnings as errors", __progname);
- return(0);
-}
-
-
-static void
-usage(void)
-{
-
- warnx("usage: %s [-ffilter] [-v] [-Wwarn...] [infile]",
- __progname);
-}
-
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