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-rw-r--r--mdoctree.c280
1 files changed, 31 insertions, 249 deletions
diff --git a/mdoctree.c b/mdoctree.c
index 9cc8fe9a..1b72ee25 100644
--- a/mdoctree.c
+++ b/mdoctree.c
@@ -16,276 +16,58 @@
* 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. */
-
-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. */
-};
-
-extern char *__progname;
-static void usage(void);
-static int getsopts(struct md_parse *, char *);
-static int parse(struct md_parse *);
-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 *);
+#include "mmain.h"
-extern void treeprint(const struct mdoc_node *,
- const struct mdoc_meta *);
-
-#ifdef __linux__
-extern int getsubopt(char **, char *const *, char **);
-#endif
+extern void treeprint(const struct mdoc_node *,
+ const struct mdoc_meta *);
int
main(int argc, char *argv[])
{
- struct md_parse p;
- struct mdoc_cb cb;
- struct stat st;
+ struct mmain *p;
+ const struct mdoc *mdoc;
int c;
- extern char *optarg;
- extern int optind;
-
- (void)memset(&p, 0, sizeof(struct md_parse));
-
- while (-1 != (c = getopt(argc, argv, "vW:")))
- switch (c) {
- case ('v'):
- p.dbg++;
- break;
- case ('W'):
- if ( ! getsopts(&p, optarg))
- return(0);
- break;
- default:
- usage();
- return(0);
- }
-
- argv += optind;
- argc -= optind;
-
- /* Initialise the input file. */
-
- p.in = "-";
- p.fdin = STDIN_FILENO;
-
- if (argc > 0) {
- p.in = *argv++;
- p.fdin = open(p.in, O_RDONLY, 0);
- if (-1 == p.fdin)
- err(1, "%s", p.in);
- }
-
- /* Allocate a buffer to be BUFSIZ/block size. */
-
- if (-1 == fstat(p.fdin, &st)) {
- warn("%s", p.in);
- p.bufsz = BUFSIZ;
- } else
- p.bufsz = MAX(st.st_blksize, BUFSIZ);
-
- p.buf = malloc(p.bufsz);
- if (NULL == p.buf)
- err(1, "malloc");
-
- /* Allocate the parser. */
-
- cb.mdoc_err = msg_err;
- cb.mdoc_warn = msg_warn;
- cb.mdoc_msg = msg_msg;
-
- p.mdoc = mdoc_alloc(&p, &cb);
-
- /* Parse the input file. */
-
- c = parse(&p);
- free(p.buf);
-
- if (STDIN_FILENO != p.fdin && -1 == close(p.fdin))
- warn("%s", p.in);
-
- if (0 == c) {
- mdoc_free(p.mdoc);
- return(EXIT_FAILURE);
- }
-
- /* If the parse succeeded, print it out. */
-
- treeprint(mdoc_node(p.mdoc), mdoc_meta(p.mdoc));
- mdoc_free(p.mdoc);
-
- return(EXIT_SUCCESS);
-}
-
-
-static int
-getsopts(struct md_parse *p, char *arg)
-{
- char *v;
- char *toks[] = { "all", "compat",
- "syntax", "error", NULL };
-
- 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);
-}
+ extern int optreset;
+ extern int optind;
+ p = mmain_alloc();
-static int
-parse(struct md_parse *p)
-{
- ssize_t sz, i;
- size_t pos;
- char line[MD_LINE_SZ];
- int lnn;
+ if ( ! mmain_getopt(p, argc, argv, NULL))
+ mmain_exit(p, 1);
- /*
- * 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.
- */
+ optreset = optind = 1;
+ printf("here\n");
- for (lnn = 1, pos = 0; ; ) {
- if (-1 == (sz = read(p->fdin, p->buf, p->bufsz))) {
- warn("%s", p->in);
- return(0);
- } else if (0 == sz)
+ while (-1 != (c = getopt(argc, argv, "f:")))
+ switch (c) {
+ case ('f'):
+ printf("%s\n", optarg);
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(0);
+ case ('?'):
+ if (mmain_isopt(optopt)) {
+ printf("ok: %d\n", optopt);
+ break;
}
-
- line[(int)pos] = 0;
- if ( ! mdoc_parseln(p->mdoc, lnn, line))
- return(0);
-
- lnn++;
- pos = 0;
+ printf("bad: %d\n", optopt);
+ /* FALLTHROUGH */
+ default:
+ mmain_usage(NULL);
+ mmain_exit(p, 1);
+ /* NOTREACHED */
}
- }
-
- return(mdoc_endparse(p->mdoc));
-}
-
-
-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);
-}
+ if (NULL == (mdoc = mmain_mdoc(p)))
+ mmain_exit(p, 1);
-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);
+ treeprint(mdoc_node(mdoc), mdoc_meta(mdoc));
+ mmain_exit(p, 0);
+ /* NOTREACHED */
}
-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 [-v] [-Wwarn...] [infile]", __progname);
-}
-