-/* $Id: main.c,v 1.74 2010/05/15 22:28:22 kristaps Exp $ */
+/* $Id: main.c,v 1.89 2010/06/19 20:46:27 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009 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
OUTT_TREE,
OUTT_HTML,
OUTT_XHTML,
- OUTT_LINT
+ OUTT_LINT,
+ OUTT_PS
};
struct curparse {
#define FL_NIGN_MACRO (1 << 2) /* Don't ignore bad macros. */
#define FL_IGN_ERRORS (1 << 4) /* Ignore failed parse. */
#define FL_STRICT FL_NIGN_ESCAPE | \
- FL_NIGN_MACRO
- enum intt inttype; /* Input parsers... */
- struct man *man;
- struct mdoc *mdoc;
- struct roff *roff;
- enum outt outtype; /* Output devices... */
- out_mdoc outmdoc;
- out_man outman;
- out_free outfree;
- void *outdata;
- char outopts[BUFSIZ];
+ FL_NIGN_MACRO /* ignore nothing */
+ enum intt inttype; /* which parser to use */
+ struct man *man; /* man parser */
+ struct mdoc *mdoc; /* mdoc parser */
+ struct roff *roff; /* roff parser (!NULL) */
+ enum outt outtype; /* which output to use */
+ out_mdoc outmdoc; /* mdoc output ptr */
+ out_man outman; /* man output ptr */
+ out_free outfree; /* free output ptr */
+ void *outdata; /* data for output */
+ char outopts[BUFSIZ]; /* buf of output opts */
+};
+
+static const char * const mandocerrs[MANDOCERR_MAX] = {
+ "ok",
+ "text should be uppercase",
+ "sections out of conventional order",
+ "section name repeats",
+ "out of order prologue",
+ "repeated prologue entry",
+ "list type must come first",
+ "bad standard",
+ "bad library",
+ "bad escape sequence",
+ "unterminated quoted string",
+ "argument requires the width argument",
+ "superfluous width argument",
+ "ignoring argument",
+ "bad date argument",
+ "bad width argument",
+ "unknown manual section",
+ "section not in conventional manual section",
+ "end of line whitespace",
+ "scope open on exit",
+ "NAME section must come first",
+ "bad Boolean value",
+ "child violates parent syntax",
+ "bad AT&T symbol",
+ "list type repeated",
+ "display type repeated",
+ "argument repeated",
+ "manual name not yet set",
+ "obsolete macro ignored",
+ "empty macro ignored",
+ "macro not allowed in body",
+ "macro not allowed in prologue",
+ "bad character",
+ "bad NAME section contents",
+ "no blank lines",
+ "no text in this context",
+ "bad comment style",
+ "unknown macro will be lost",
+ "line scope broken",
+ "scope broken",
+ "argument count wrong",
+ "request scope close w/none open",
+ "scope already open",
+ "macro requires line argument(s)",
+ "macro requires body argument(s)",
+ "macro requires argument(s)",
+ "no title in document",
+ "missing list type",
+ "missing display type",
+ "line argument(s) will be lost",
+ "body argument(s) will be lost",
+ "column syntax is inconsistent",
+ "missing font type",
+ "displays may not be nested",
+ "unsupported display type",
+ "no scope to rewind: syntax violated",
+ "scope broken, syntax violated",
+ "line scope broken, syntax violated",
+ "argument count wrong, violates syntax",
+ "child violates parent syntax",
+ "argument count wrong, violates syntax",
+ "no document body",
+ "no document prologue",
+ "utsname system call failed",
+ "memory exhausted",
};
static void fdesc(struct curparse *);
static struct man *man_init(struct curparse *);
static struct mdoc *mdoc_init(struct curparse *);
static struct roff *roff_init(struct curparse *);
-static int merr(void *, int, int, const char *); /* DEPRECATED */
static int moptions(enum intt *, char *);
-static int mwarn(void *, int, int, const char *); /* DEPRECATED */
static int mmsg(enum mandocerr, void *,
int, int, const char *);
static int pset(const char *, int, struct curparse *,
man_init(struct curparse *curp)
{
int pflags;
- struct man_cb mancb;
-
- mancb.man_err = merr;
- mancb.man_warn = mwarn;
/* Defaults from mandoc.1. */
if (curp->fflags & FL_NIGN_ESCAPE)
pflags &= ~MAN_IGN_ESCAPE;
- return(man_alloc(curp, pflags, &mancb));
+ return(man_alloc(curp, pflags, mmsg));
}
mdoc_init(struct curparse *curp)
{
int pflags;
- struct mdoc_cb mdoccb;
-
- mdoccb.mdoc_err = merr;
- mdoccb.mdoc_warn = mwarn;
/* Defaults from mandoc.1. */
if (curp->fflags & FL_NIGN_MACRO)
pflags &= ~MDOC_IGN_MACRO;
- return(mdoc_alloc(curp, pflags, &mdoccb));
+ return(mdoc_alloc(curp, pflags, mmsg));
}
*with_mmap = 1;
fb->sz = (size_t)st.st_size;
fb->buf = mmap(NULL, fb->sz, PROT_READ,
- MAP_FILE, curp->fd, 0);
+ MAP_FILE|MAP_SHARED, curp->fd, 0);
if (fb->buf != MAP_FAILED)
return(1);
}
fdesc(struct curparse *curp)
{
struct buf ln, blk;
- int i, pos, lnn, lnn_start, with_mmap;
+ int i, pos, lnn, lnn_start, with_mmap, of;
enum rofferr re;
struct man *man;
struct mdoc *mdoc;
goto bailout;
ln.buf[pos] = '\0';
- re = roff_parseln(roff, lnn_start, &ln.buf, &ln.sz);
+ /*
+ * A significant amount of complexity is contained by
+ * the roff preprocessor. It's line-oriented but can be
+ * expressed on one line, so we need at times to
+ * readjust our starting point and re-run it. The roff
+ * preprocessor can also readjust the buffers with new
+ * data, so we pass them in wholesale.
+ */
+
+ of = 0;
+ do {
+ re = roff_parseln(roff, lnn_start,
+ &ln.buf, &ln.sz, of, &of);
+ } while (ROFF_RERUN == re);
+
if (ROFF_IGN == re)
continue;
else if (ROFF_ERR == re)
goto bailout;
- /* If unset, assign parser in pset(). */
+ /*
+ * If input parsers have not been allocated, do so now.
+ * We keep these instanced betwen parsers, but set them
+ * locally per parse routine since we can use different
+ * parsers with each one.
+ */
- if ( ! (man || mdoc) && ! pset(ln.buf, pos, curp, &man, &mdoc))
- goto bailout;
+ if ( ! (man || mdoc))
+ if ( ! pset(ln.buf + of, pos - of, curp, &man, &mdoc))
+ goto bailout;
- /* Pass down into parsers. */
+ /* Lastly, push down into the parsers themselves. */
- if (man && ! man_parseln(man, lnn_start, ln.buf))
+ if (man && ! man_parseln(man, lnn_start, ln.buf, of))
goto bailout;
- if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf))
+ if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of))
goto bailout;
}
goto bailout;
}
+ /* Clean up the parse routine ASTs. */
+
if (mdoc && ! mdoc_endparse(mdoc))
goto bailout;
if (man && ! man_endparse(man))
switch (curp->outtype) {
case (OUTT_XHTML):
curp->outdata = xhtml_alloc(curp->outopts);
- curp->outman = html_man;
- curp->outmdoc = html_mdoc;
- curp->outfree = html_free;
break;
case (OUTT_HTML):
curp->outdata = html_alloc(curp->outopts);
+ break;
+ case (OUTT_ASCII):
+ curp->outdata = ascii_alloc(curp->outopts);
+ curp->outfree = ascii_free;
+ break;
+ case (OUTT_PS):
+ curp->outdata = ps_alloc();
+ curp->outfree = ps_free;
+ break;
+ default:
+ break;
+ }
+
+ switch (curp->outtype) {
+ case (OUTT_HTML):
+ /* FALLTHROUGH */
+ case (OUTT_XHTML):
curp->outman = html_man;
curp->outmdoc = html_mdoc;
curp->outfree = html_free;
curp->outman = tree_man;
curp->outmdoc = tree_mdoc;
break;
- case (OUTT_LINT):
- break;
- default:
- curp->outdata = ascii_alloc(80);
+ case (OUTT_ASCII):
+ /* FALLTHROUGH */
+ case (OUTT_PS):
curp->outman = terminal_man;
curp->outmdoc = terminal_mdoc;
- curp->outfree = terminal_free;
+ break;
+ default:
break;
}
}
* default to -man, which is more lenient.
*/
- if (buf[0] == '.') {
+ if ('.' == buf[0] || '\'' == buf[0]) {
for (i = 1; buf[i]; i++)
if (' ' != buf[i] && '\t' != buf[i])
break;
curp->outtype = OUTT_HTML;
else if (0 == strcmp(arg, "xhtml"))
curp->outtype = OUTT_XHTML;
+ else if (0 == strcmp(arg, "ps"))
+ curp->outtype = OUTT_PS;
else {
fprintf(stderr, "%s: Bad argument\n", arg);
return(0);
}
-/* ARGSUSED */
-static int
-merr(void *arg, int line, int col, const char *msg)
-{
- struct curparse *curp;
-
- curp = (struct curparse *)arg;
-
- (void)fprintf(stderr, "%s:%d:%d: error: %s\n",
- curp->file, line, col + 1, msg);
-
- with_error = 1;
-
- return(0);
-}
-
-
-static int
-mwarn(void *arg, int line, int col, const char *msg)
-{
- struct curparse *curp;
-
- curp = (struct curparse *)arg;
-
- if ( ! (curp->wflags & WARN_WALL))
- return(1);
-
- (void)fprintf(stderr, "%s:%d:%d: warning: %s\n",
- curp->file, line, col + 1, msg);
-
- with_warning = 1;
- if (curp->wflags & WARN_WERR) {
- with_error = 1;
- return(0);
- }
-
- return(1);
-}
-
-static const char * const mandocerrs[MANDOCERR_MAX] = {
- "ok",
- "multi-line scope open on exit",
- "request for scope closure when no matching scope is open",
- "line arguments will be lost",
- "memory exhausted"
-};
-
-/*
- * XXX: this is experimental code that will eventually become the
- * generic means of covering all warnings and errors!
- */
-/* ARGSUSED */
static int
mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
{
-#if 0
struct curparse *cp;
cp = (struct curparse *)arg;
+ if (t <= MANDOCERR_ERROR) {
+ if ( ! (cp->wflags & WARN_WALL))
+ return(1);
+ with_warning = 1;
+ } else
+ with_error = 1;
+
fprintf(stderr, "%s:%d:%d: %s", cp->file,
ln, col + 1, mandocerrs[t]);
fprintf(stderr, ": %s", msg);
fputc('\n', stderr);
-#endif
+
+ /* This is superfluous, but whatever. */
+ if (t > MANDOCERR_ERROR)
+ return(0);
+ if (cp->wflags & WARN_WERR) {
+ with_error = 1;
+ return(0);
+ }
return(1);
}