-/* $Id: main.c,v 1.97 2010/07/04 22:04:04 schwarze Exp $ */
+/* $Id: main.c,v 1.195 2014/10/28 17:36:19 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
-#include <sys/mman.h>
-#include <sys/stat.h>
+#include <sys/types.h>
#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include "mandoc.h"
-#include "regs.h"
+#include "mandoc_aux.h"
#include "main.h"
#include "mdoc.h"
#include "man.h"
-#include "roff.h"
-
-#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
-
-/* FIXME: Intel's compiler? LLVM? pcc? */
+#include "manpath.h"
+#include "mansearch.h"
#if !defined(__GNUC__) || (__GNUC__ < 2)
# if !defined(lint)
# endif
#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
+enum outmode {
+ OUTMODE_DEF = 0,
+ OUTMODE_FLN,
+ OUTMODE_LST,
+ OUTMODE_ALL,
+ OUTMODE_INT,
+ OUTMODE_ONE
+};
+
typedef void (*out_mdoc)(void *, const struct mdoc *);
typedef void (*out_man)(void *, const struct man *);
typedef void (*out_free)(void *);
-struct buf {
- char *buf;
- size_t sz;
-};
-
-enum intt {
- INTT_AUTO,
- INTT_MDOC,
- INTT_MAN
-};
-
enum outt {
- OUTT_ASCII = 0,
- OUTT_TREE,
- OUTT_HTML,
- OUTT_XHTML,
- OUTT_LINT,
- OUTT_PS
+ OUTT_ASCII = 0, /* -Tascii */
+ OUTT_LOCALE, /* -Tlocale */
+ OUTT_UTF8, /* -Tutf8 */
+ OUTT_TREE, /* -Ttree */
+ OUTT_MAN, /* -Tman */
+ OUTT_HTML, /* -Thtml */
+ OUTT_LINT, /* -Tlint */
+ OUTT_PS, /* -Tps */
+ OUTT_PDF /* -Tpdf */
};
struct curparse {
- const char *file; /* Current parse. */
- int fd; /* Current parse. */
- int wflags;
- /* FIXME: set by max error */
-#define WARN_WALL (1 << 0) /* All-warnings mask. */
-#define WARN_WERR (1 << 2) /* Warnings->errors. */
- int fflags;
-#define FL_IGN_SCOPE (1 << 0) /* Ignore scope errors. */
-#define FL_NIGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
-#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 /* 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) */
- struct regset regs; /* roff registers */
- enum outt outtype; /* which output to use */
+ struct mparse *mp;
+ struct mchars *mchars; /* character table */
+ enum mandoclevel wlevel; /* ignore messages below this */
+ int wstop; /* stop after a file with a warning */
+ enum outt outtype; /* which output to use */
out_mdoc outmdoc; /* mdoc output ptr */
- out_man outman; /* man 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",
-
- "generic warning",
-
- "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",
- "blocks badly nested",
- "scope open on exit",
-
- "generic error",
-
- "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",
- "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",
- "missing font type",
- "line argument(s) will be lost",
- "body argument(s) will be lost",
-
- "generic fatal error",
-
- "column syntax is inconsistent",
- "displays may not be nested",
- "unsupported display type",
- "blocks badly nested",
- "no such block is open",
- "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 void ffile(const char *, struct curparse *);
-static int foptions(int *, char *);
-static struct man *man_init(struct curparse *);
-static struct mdoc *mdoc_init(struct curparse *);
-static struct roff *roff_init(struct curparse *);
-static int moptions(enum intt *, char *);
-static int mmsg(enum mandocerr, void *,
- int, int, const char *);
-static int pset(const char *, int, struct curparse *,
- struct man **, struct mdoc **);
+static int koptions(int *, char *);
+static int moptions(int *, char *);
+static void mmsg(enum mandocerr, enum mandoclevel,
+ const char *, int, int, const char *);
+static void parse(struct curparse *, int,
+ const char *, enum mandoclevel *);
+static enum mandoclevel passthrough(const char *, int);
+static void spawn_pager(void);
static int toptions(struct curparse *, char *);
-static void usage(void) __attribute__((noreturn));
+static void usage(enum argmode) __attribute__((noreturn));
static void version(void) __attribute__((noreturn));
-static int woptions(int *, char *);
+static int woptions(struct curparse *, char *);
+static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
static const char *progname;
-static int with_fatal;
-static int with_error;
+
int
main(int argc, char *argv[])
{
- int c;
struct curparse curp;
+ struct mansearch search;
+ struct manpaths paths;
+ char *conf_file, *defpaths, *auxpaths;
+ char *defos;
+#if HAVE_SQLITE3
+ struct manpage *res, *resp;
+ size_t isec, i, sz;
+ int prio, best_prio;
+ char sec;
+#endif
+ enum mandoclevel rc;
+ enum outmode outmode;
+ pid_t child_pid;
+ int fd;
+ int show_usage;
+ int use_pager;
+ int options;
+ int c;
progname = strrchr(argv[0], '/');
if (progname == NULL)
else
++progname;
- memset(&curp, 0, sizeof(struct curparse));
+ /* Search options. */
+
+ memset(&paths, 0, sizeof(struct manpaths));
+ conf_file = defpaths = auxpaths = NULL;
+
+ memset(&search, 0, sizeof(struct mansearch));
+ search.outkey = "Nd";
+
+ if (strcmp(progname, "man") == 0)
+ search.argmode = ARG_NAME;
+ else if (strncmp(progname, "apropos", 7) == 0)
+ search.argmode = ARG_EXPR;
+ else if (strncmp(progname, "whatis", 6) == 0)
+ search.argmode = ARG_WORD;
+ else
+ search.argmode = ARG_FILE;
+
+ /* Parser and formatter options. */
- curp.inttype = INTT_AUTO;
+ memset(&curp, 0, sizeof(struct curparse));
curp.outtype = OUTT_ASCII;
+ curp.wlevel = MANDOCLEVEL_FATAL;
+ options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
+ defos = NULL;
+
+ use_pager = 1;
+ show_usage = 0;
+ outmode = OUTMODE_DEF;
- /* LINTED */
- while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
+ while (-1 != (c = getopt(argc, argv,
+ "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
switch (c) {
- case ('f'):
- if ( ! foptions(&curp.fflags, optarg))
- return(EXIT_FAILURE);
+ case 'a':
+ outmode = OUTMODE_ALL;
+ break;
+ case 'C':
+ conf_file = optarg;
+ break;
+ case 'c':
+ use_pager = 0;
+ break;
+ case 'f':
+ search.argmode = ARG_WORD;
+ break;
+ case 'h':
+ (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
+ outmode = OUTMODE_ALL;
+ break;
+ case 'I':
+ if (strncmp(optarg, "os=", 3)) {
+ fprintf(stderr,
+ "%s: -I%s: Bad argument\n",
+ progname, optarg);
+ return((int)MANDOCLEVEL_BADARG);
+ }
+ if (defos) {
+ fprintf(stderr,
+ "%s: -I%s: Duplicate argument\n",
+ progname, optarg);
+ return((int)MANDOCLEVEL_BADARG);
+ }
+ defos = mandoc_strdup(optarg + 3);
break;
- case ('m'):
- if ( ! moptions(&curp.inttype, optarg))
- return(EXIT_FAILURE);
+ case 'i':
+ outmode = OUTMODE_INT;
break;
- case ('O'):
+ case 'K':
+ if ( ! koptions(&options, optarg))
+ return((int)MANDOCLEVEL_BADARG);
+ break;
+ case 'k':
+ search.argmode = ARG_EXPR;
+ break;
+ case 'l':
+ search.argmode = ARG_FILE;
+ outmode = OUTMODE_ALL;
+ break;
+ case 'M':
+ defpaths = optarg;
+ break;
+ case 'm':
+ auxpaths = optarg;
+ break;
+ case 'O':
+ search.outkey = optarg;
(void)strlcat(curp.outopts, optarg, BUFSIZ);
(void)strlcat(curp.outopts, ",", BUFSIZ);
break;
- case ('T'):
+ case 'S':
+ search.arch = optarg;
+ break;
+ case 's':
+ search.sec = optarg;
+ break;
+ case 'T':
if ( ! toptions(&curp, optarg))
- return(EXIT_FAILURE);
+ return((int)MANDOCLEVEL_BADARG);
+ break;
+ case 'W':
+ if ( ! woptions(&curp, optarg))
+ return((int)MANDOCLEVEL_BADARG);
break;
- case ('W'):
- if ( ! woptions(&curp.wflags, optarg))
- return(EXIT_FAILURE);
+ case 'w':
+ outmode = OUTMODE_FLN;
break;
- case ('V'):
+ case 'V':
version();
/* NOTREACHED */
default:
- usage();
- /* NOTREACHED */
+ show_usage = 1;
+ break;
}
-
- argc -= optind;
- argv += optind;
-
- if (NULL == *argv) {
- curp.file = "<stdin>";
- curp.fd = STDIN_FILENO;
-
- fdesc(&curp);
}
- while (*argv) {
- ffile(*argv, &curp);
+ if (show_usage)
+ usage(search.argmode);
- if (with_fatal && !(curp.fflags & FL_IGN_ERRORS))
+ /* Postprocess options. */
+
+ if (outmode == OUTMODE_DEF) {
+ switch (search.argmode) {
+ case ARG_FILE:
+ outmode = OUTMODE_ALL;
+ use_pager = 0;
+ break;
+ case ARG_NAME:
+ outmode = OUTMODE_ONE;
+ break;
+ default:
+ outmode = OUTMODE_LST;
break;
- ++argv;
+ }
}
- if (curp.outfree)
- (*curp.outfree)(curp.outdata);
- if (curp.mdoc)
- mdoc_free(curp.mdoc);
- if (curp.man)
- man_free(curp.man);
- if (curp.roff)
- roff_free(curp.roff);
-
- return((with_fatal || with_error) ?
- EXIT_FAILURE : EXIT_SUCCESS);
-}
-
-
-static void
-version(void)
-{
-
- (void)printf("%s %s\n", progname, VERSION);
- exit(EXIT_SUCCESS);
-}
+ /* Parse arguments. */
+ argc -= optind;
+ argv += optind;
+#if HAVE_SQLITE3
+ resp = NULL;
+#endif
-static void
-usage(void)
-{
+ /* Quirk for a man(1) section argument without -s. */
- (void)fprintf(stderr, "usage: %s [-V] [-foption] "
- "[-mformat] [-Ooption] [-Toutput] "
- "[-Werr] [file...]\n", progname);
- exit(EXIT_FAILURE);
-}
+ if (search.argmode == ARG_NAME &&
+ argv[0] != NULL &&
+ isdigit((unsigned char)argv[0][0]) &&
+ (argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) {
+ search.sec = argv[0];
+ argv++;
+ argc--;
+ }
+ rc = MANDOCLEVEL_OK;
-static struct man *
-man_init(struct curparse *curp)
-{
- int pflags;
+ /* man(1), whatis(1), apropos(1) */
- /* Defaults from mandoc.1. */
+ if (search.argmode != ARG_FILE) {
+#if HAVE_SQLITE3
+ if (argc == 0)
+ usage(search.argmode);
- pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE;
+ /* Access the mandoc database. */
- if (curp->fflags & FL_NIGN_MACRO)
- pflags &= ~MAN_IGN_MACRO;
- if (curp->fflags & FL_NIGN_ESCAPE)
- pflags &= ~MAN_IGN_ESCAPE;
+ manpath_parse(&paths, conf_file, defpaths, auxpaths);
+ mansearch_setup(1);
+ if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
+ usage(search.argmode);
+ resp = res;
- return(man_alloc(&curp->regs, curp, pflags, mmsg));
-}
+ if (sz == 0) {
+ if (search.argmode == ARG_NAME)
+ fprintf(stderr, "%s: No entry for %s "
+ "in the manual.\n", progname, argv[0]);
+ rc = MANDOCLEVEL_BADARG;
+ goto out;
+ }
+ /*
+ * For standard man(1) and -a output mode,
+ * prepare for copying filename pointers
+ * into the program parameter array.
+ */
-static struct roff *
-roff_init(struct curparse *curp)
-{
+ if (outmode == OUTMODE_ONE) {
+ argc = 1;
+ best_prio = 10;
+ } else if (outmode == OUTMODE_ALL)
+ argc = (int)sz;
+
+ /* Iterate all matching manuals. */
+
+ for (i = 0; i < sz; i++) {
+ if (outmode == OUTMODE_FLN)
+ puts(res[i].file);
+ else if (outmode == OUTMODE_LST)
+ printf("%s - %s\n", res[i].names,
+ res[i].output == NULL ? "" :
+ res[i].output);
+ else if (outmode == OUTMODE_ONE) {
+ /* Search for the best section. */
+ isec = strcspn(res[i].file, "123456789");
+ sec = res[i].file[isec];
+ if ('\0' == sec)
+ continue;
+ prio = sec_prios[sec - '1'];
+ if (prio >= best_prio)
+ continue;
+ best_prio = prio;
+ resp = res + i;
+ }
+ }
- return(roff_alloc(&curp->regs, mmsg, curp));
-}
+ /*
+ * For man(1), -a and -i output mode, fall through
+ * to the main mandoc(1) code iterating files
+ * and running the parsers on each of them.
+ */
+ if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
+ goto out;
+#else
+ fputs("mandoc: database support not compiled in\n",
+ stderr);
+ return((int)MANDOCLEVEL_BADARG);
+#endif
+ }
-static struct mdoc *
-mdoc_init(struct curparse *curp)
-{
- int pflags;
+ /* mandoc(1) */
- /* Defaults from mandoc.1. */
+ if ( ! moptions(&options, auxpaths))
+ return((int)MANDOCLEVEL_BADARG);
- pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE;
+ if (use_pager && isatty(STDOUT_FILENO))
+ spawn_pager();
- if (curp->fflags & FL_IGN_SCOPE)
- pflags |= MDOC_IGN_SCOPE;
- if (curp->fflags & FL_NIGN_ESCAPE)
- pflags &= ~MDOC_IGN_ESCAPE;
- if (curp->fflags & FL_NIGN_MACRO)
- pflags &= ~MDOC_IGN_MACRO;
+ curp.mchars = mchars_alloc();
+ curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
+ curp.mchars, defos);
- return(mdoc_alloc(&curp->regs, curp, pflags, mmsg));
-}
+ /*
+ * Conditionally start up the lookaside buffer before parsing.
+ */
+ if (OUTT_MAN == curp.outtype)
+ mparse_keep(curp.mp);
+
+ if (argc == 0)
+ parse(&curp, STDIN_FILENO, "<stdin>", &rc);
+
+ while (argc) {
+#if HAVE_SQLITE3
+ if (resp != NULL) {
+ rc = mparse_open(curp.mp, &fd, resp->file,
+ &child_pid);
+ if (fd == -1)
+ /* nothing */;
+ else if (resp->form & FORM_SRC) {
+ /* For .so only; ignore failure. */
+ chdir(paths.paths[resp->ipath]);
+ parse(&curp, fd, resp->file, &rc);
+ } else
+ rc = passthrough(resp->file, fd);
+ resp++;
+ } else
+#endif
+ {
+ rc = mparse_open(curp.mp, &fd, *argv++,
+ &child_pid);
+ if (fd != -1)
+ parse(&curp, fd, argv[-1], &rc);
+ }
+ if (child_pid &&
+ mparse_wait(curp.mp, child_pid) != MANDOCLEVEL_OK)
+ rc = MANDOCLEVEL_SYSERR;
-static void
-ffile(const char *file, struct curparse *curp)
-{
+ if (MANDOCLEVEL_OK != rc && curp.wstop)
+ break;
+ argc--;
+ }
- curp->file = file;
- if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
- perror(curp->file);
- with_fatal = 1;
- return;
+ if (curp.outfree)
+ (*curp.outfree)(curp.outdata);
+ mparse_free(curp.mp);
+ mchars_free(curp.mchars);
+
+#if HAVE_SQLITE3
+out:
+ if (search.argmode != ARG_FILE) {
+ manpath_free(&paths);
+ mansearch_free(res, sz);
+ mansearch_setup(0);
}
+#endif
- fdesc(curp);
+ free(defos);
- if (-1 == close(curp->fd))
- perror(curp->file);
+ return((int)rc);
}
-
-static int
-resize_buf(struct buf *buf, size_t initial)
+static void
+version(void)
{
- void *tmp;
- size_t sz;
- if (buf->sz == 0)
- sz = initial;
- else
- sz = 2 * buf->sz;
- tmp = realloc(buf->buf, sz);
- if (NULL == tmp) {
- perror(NULL);
- return(0);
- }
- buf->buf = tmp;
- buf->sz = sz;
- return(1);
+ printf("mandoc %s\n", VERSION);
+ exit((int)MANDOCLEVEL_OK);
}
-
-static int
-read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
+static void
+usage(enum argmode argmode)
{
- struct stat st;
- size_t off;
- ssize_t ssz;
- if (-1 == fstat(curp->fd, &st)) {
- perror(curp->file);
- with_fatal = 1;
- return(0);
- }
-
- /*
- * If we're a regular file, try just reading in the whole entry
- * via mmap(). This is faster than reading it into blocks, and
- * since each file is only a few bytes to begin with, I'm not
- * concerned that this is going to tank any machines.
- */
-
- if (S_ISREG(st.st_mode)) {
- if (st.st_size >= (1U << 31)) {
- fprintf(stderr, "%s: input too large\n",
- curp->file);
- with_fatal = 1;
- return(0);
- }
- *with_mmap = 1;
- fb->sz = (size_t)st.st_size;
- fb->buf = mmap(NULL, fb->sz, PROT_READ,
- MAP_FILE|MAP_SHARED, curp->fd, 0);
- if (fb->buf != MAP_FAILED)
- return(1);
- }
-
- /*
- * If this isn't a regular file (like, say, stdin), then we must
- * go the old way and just read things in bit by bit.
- */
-
- *with_mmap = 0;
- off = 0;
- fb->sz = 0;
- fb->buf = NULL;
- for (;;) {
- if (off == fb->sz) {
- if (fb->sz == (1U << 31)) {
- fprintf(stderr, "%s: input too large\n",
- curp->file);
- break;
- }
- if (! resize_buf(fb, 65536))
- break;
- }
- ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
- if (ssz == 0) {
- fb->sz = off;
- return(1);
- }
- if (ssz == -1) {
- perror(curp->file);
- break;
- }
- off += (size_t)ssz;
+ switch (argmode) {
+ case ARG_FILE:
+ fputs("usage: mandoc [-acfhklV] [-Ios=name] "
+ "[-mformat] [-Ooption] [-Toutput] [-Wlevel]\n"
+ "\t [file ...]\n", stderr);
+ break;
+ case ARG_NAME:
+ fputs("usage: man [-acfhklVw] [-C file] "
+ "[-M path] [-m path] [-S arch] [-s section]\n"
+ "\t [section] name ...\n", stderr);
+ break;
+ case ARG_WORD:
+ fputs("usage: whatis [-acfhklVw] [-C file] "
+ "[-M path] [-m path] [-O outkey] [-S arch]\n"
+ "\t [-s section] name ...\n", stderr);
+ break;
+ case ARG_EXPR:
+ fputs("usage: apropos [-acfhklVw] [-C file] "
+ "[-M path] [-m path] [-O outkey] [-S arch]\n"
+ "\t [-s section] expression ...\n", stderr);
+ break;
}
-
- free(fb->buf);
- fb->buf = NULL;
- with_fatal = 1;
- return(0);
+ exit((int)MANDOCLEVEL_BADARG);
}
-
static void
-fdesc(struct curparse *curp)
+parse(struct curparse *curp, int fd, const char *file,
+ enum mandoclevel *level)
{
- struct buf ln, blk;
- int i, pos, lnn, lnn_start, with_mmap, of;
- enum rofferr re;
- struct man *man;
- struct mdoc *mdoc;
- struct roff *roff;
-
- man = NULL;
- mdoc = NULL;
- roff = NULL;
-
- memset(&ln, 0, sizeof(struct buf));
-
- /*
- * Two buffers: ln and buf. buf is the input file and may be
- * memory mapped. ln is a line buffer and grows on-demand.
- */
-
- if ( ! read_whole_file(curp, &blk, &with_mmap))
- return;
-
- if (NULL == curp->roff)
- curp->roff = roff_init(curp);
- if (NULL == (roff = curp->roff))
- goto bailout;
-
- for (i = 0, lnn = 1; i < (int)blk.sz;) {
- pos = 0;
- lnn_start = lnn;
- while (i < (int)blk.sz) {
- if ('\n' == blk.buf[i]) {
- ++i;
- ++lnn;
- break;
- }
- /* Trailing backslash is like a plain character. */
- if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
- if (pos >= (int)ln.sz)
- if (! resize_buf(&ln, 256))
- goto bailout;
- ln.buf[pos++] = blk.buf[i++];
- continue;
- }
- /* Found an escape and at least one other character. */
- if ('\n' == blk.buf[i + 1]) {
- /* Escaped newlines are skipped over */
- i += 2;
- ++lnn;
- continue;
- }
- if ('"' == blk.buf[i + 1]) {
- i += 2;
- /* Comment, skip to end of line */
- for (; i < (int)blk.sz; ++i) {
- if ('\n' == blk.buf[i]) {
- ++i;
- ++lnn;
- break;
- }
- }
- /* Backout trailing whitespaces */
- for (; pos > 0; --pos) {
- if (ln.buf[pos - 1] != ' ')
- break;
- if (pos > 2 && ln.buf[pos - 2] == '\\')
- break;
- }
- break;
- }
- /* Some other escape sequence, copy and continue. */
- if (pos + 1 >= (int)ln.sz)
- if (! resize_buf(&ln, 256))
- goto bailout;
-
- ln.buf[pos++] = blk.buf[i++];
- ln.buf[pos++] = blk.buf[i++];
- }
-
- if (pos >= (int)ln.sz)
- if (! resize_buf(&ln, 256))
- goto bailout;
- ln.buf[pos] = '\0';
-
- /*
- * 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 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.
- */
+ enum mandoclevel rc;
+ struct mdoc *mdoc;
+ struct man *man;
- if ( ! (man || mdoc))
- if ( ! pset(ln.buf + of, pos - of, curp, &man, &mdoc))
- goto bailout;
+ /* Begin by parsing the file itself. */
- /* Lastly, push down into the parsers themselves. */
+ assert(file);
+ assert(fd >= -1);
- if (man && ! man_parseln(man, lnn_start, ln.buf, of))
- goto bailout;
- if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of))
- goto bailout;
- }
+ rc = mparse_readfd(curp->mp, fd, file);
- /* NOTE a parser may not have been assigned, yet. */
+ /* Stop immediately if the parse has failed. */
- if ( ! (man || mdoc)) {
- fprintf(stderr, "%s: Not a manual\n", curp->file);
- goto bailout;
- }
+ if (MANDOCLEVEL_FATAL <= rc)
+ goto cleanup;
- /* Clean up the parse routine ASTs. */
+ /*
+ * With -Wstop and warnings or errors of at least the requested
+ * level, do not produce output.
+ */
- if (mdoc && ! mdoc_endparse(mdoc))
- goto bailout;
- if (man && ! man_endparse(man))
- goto bailout;
- if (roff && ! roff_endparse(roff))
- goto bailout;
+ if (MANDOCLEVEL_OK != rc && curp->wstop)
+ goto cleanup;
/* If unset, allocate output dev now (if applicable). */
if ( ! (curp->outman && curp->outmdoc)) {
switch (curp->outtype) {
- case (OUTT_XHTML):
- curp->outdata = xhtml_alloc(curp->outopts);
+ case OUTT_HTML:
+ curp->outdata = html_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = html_free;
break;
- case (OUTT_HTML):
- curp->outdata = html_alloc(curp->outopts);
+ case OUTT_UTF8:
+ curp->outdata = utf8_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = ascii_free;
break;
- case (OUTT_ASCII):
- curp->outdata = ascii_alloc(curp->outopts);
+ case OUTT_LOCALE:
+ curp->outdata = locale_alloc(curp->mchars,
+ curp->outopts);
curp->outfree = ascii_free;
break;
- case (OUTT_PS):
- curp->outdata = ps_alloc(curp->outopts);
- curp->outfree = ps_free;
+ case OUTT_ASCII:
+ curp->outdata = ascii_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = ascii_free;
+ break;
+ case OUTT_PDF:
+ curp->outdata = pdf_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = pspdf_free;
+ break;
+ case OUTT_PS:
+ curp->outdata = ps_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = pspdf_free;
break;
default:
break;
}
switch (curp->outtype) {
- case (OUTT_HTML):
- /* FALLTHROUGH */
- case (OUTT_XHTML):
+ case OUTT_HTML:
curp->outman = html_man;
curp->outmdoc = html_mdoc;
- curp->outfree = html_free;
break;
- case (OUTT_TREE):
+ case OUTT_TREE:
curp->outman = tree_man;
curp->outmdoc = tree_mdoc;
break;
- case (OUTT_ASCII):
+ case OUTT_MAN:
+ curp->outmdoc = man_mdoc;
+ curp->outman = man_man;
+ break;
+ case OUTT_PDF:
+ /* FALLTHROUGH */
+ case OUTT_ASCII:
/* FALLTHROUGH */
- case (OUTT_PS):
+ case OUTT_UTF8:
+ /* FALLTHROUGH */
+ case OUTT_LOCALE:
+ /* FALLTHROUGH */
+ case OUTT_PS:
curp->outman = terminal_man;
curp->outmdoc = terminal_mdoc;
break;
}
}
+ mparse_result(curp->mp, &mdoc, &man, NULL);
+
/* Execute the out device, if it exists. */
if (man && curp->outman)
(*curp->outmdoc)(curp->outdata, mdoc);
cleanup:
- memset(&curp->regs, 0, sizeof(struct regset));
- if (mdoc)
- mdoc_reset(mdoc);
- if (man)
- man_reset(man);
- if (roff)
- roff_reset(roff);
- if (ln.buf)
- free(ln.buf);
- if (with_mmap)
- munmap(blk.buf, blk.sz);
- else
- free(blk.buf);
- return;
+ mparse_reset(curp->mp);
- bailout:
- with_fatal = 1;
- goto cleanup;
+ if (*level < rc)
+ *level = rc;
}
-
-static int
-pset(const char *buf, int pos, struct curparse *curp,
- struct man **man, struct mdoc **mdoc)
+static enum mandoclevel
+passthrough(const char *file, int fd)
{
- int i;
+ char buf[BUFSIZ];
+ const char *syscall;
+ ssize_t nr, nw, off;
+
+ while ((nr = read(fd, buf, BUFSIZ)) != -1 && nr != 0)
+ for (off = 0; off < nr; off += nw)
+ if ((nw = write(STDOUT_FILENO, buf + off,
+ (size_t)(nr - off))) == -1 || nw == 0) {
+ close(fd);
+ syscall = "write";
+ goto fail;
+ }
- /*
- * Try to intuit which kind of manual parser should be used. If
- * passed in by command-line (-man, -mdoc), then use that
- * explicitly. If passed as -mandoc, then try to guess from the
- * line: either skip dot-lines, use -mdoc when finding `.Dt', or
- * default to -man, which is more lenient.
- */
+ close(fd);
- if ('.' == buf[0] || '\'' == buf[0]) {
- for (i = 1; buf[i]; i++)
- if (' ' != buf[i] && '\t' != buf[i])
- break;
- if (0 == buf[i])
- return(1);
- }
+ if (nr == 0)
+ return(MANDOCLEVEL_OK);
- switch (curp->inttype) {
- case (INTT_MDOC):
- if (NULL == curp->mdoc)
- curp->mdoc = mdoc_init(curp);
- if (NULL == (*mdoc = curp->mdoc))
- return(0);
- return(1);
- case (INTT_MAN):
- if (NULL == curp->man)
- curp->man = man_init(curp);
- if (NULL == (*man = curp->man))
- return(0);
- return(1);
- default:
- break;
- }
+ syscall = "read";
+fail:
+ fprintf(stderr, "%s: %s: SYSERR: %s: %s",
+ progname, file, syscall, strerror(errno));
+ return(MANDOCLEVEL_SYSERR);
+}
- if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
- if (NULL == curp->mdoc)
- curp->mdoc = mdoc_init(curp);
- if (NULL == (*mdoc = curp->mdoc))
- return(0);
- return(1);
- }
+static int
+koptions(int *options, char *arg)
+{
- if (NULL == curp->man)
- curp->man = man_init(curp);
- if (NULL == (*man = curp->man))
+ if ( ! strcmp(arg, "utf-8")) {
+ *options |= MPARSE_UTF8;
+ *options &= ~MPARSE_LATIN1;
+ } else if ( ! strcmp(arg, "iso-8859-1")) {
+ *options |= MPARSE_LATIN1;
+ *options &= ~MPARSE_UTF8;
+ } else if ( ! strcmp(arg, "us-ascii")) {
+ *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
+ } else {
+ fprintf(stderr, "%s: -K%s: Bad argument\n",
+ progname, arg);
return(0);
+ }
return(1);
}
-
static int
-moptions(enum intt *tflags, char *arg)
+moptions(int *options, char *arg)
{
- if (0 == strcmp(arg, "doc"))
- *tflags = INTT_MDOC;
+ if (arg == NULL)
+ /* nothing to do */;
+ else if (0 == strcmp(arg, "doc"))
+ *options |= MPARSE_MDOC;
else if (0 == strcmp(arg, "andoc"))
- *tflags = INTT_AUTO;
+ /* nothing to do */;
else if (0 == strcmp(arg, "an"))
- *tflags = INTT_MAN;
+ *options |= MPARSE_MAN;
else {
- fprintf(stderr, "%s: Bad argument\n", arg);
+ fprintf(stderr, "%s: -m%s: Bad argument\n",
+ progname, arg);
return(0);
}
return(1);
}
-
static int
toptions(struct curparse *curp, char *arg)
{
curp->outtype = OUTT_ASCII;
else if (0 == strcmp(arg, "lint")) {
curp->outtype = OUTT_LINT;
- curp->wflags |= WARN_WALL;
- curp->fflags |= FL_STRICT;
- }
- else if (0 == strcmp(arg, "tree"))
+ curp->wlevel = MANDOCLEVEL_WARNING;
+ } else if (0 == strcmp(arg, "tree"))
curp->outtype = OUTT_TREE;
+ else if (0 == strcmp(arg, "man"))
+ curp->outtype = OUTT_MAN;
else if (0 == strcmp(arg, "html"))
curp->outtype = OUTT_HTML;
+ else if (0 == strcmp(arg, "utf8"))
+ curp->outtype = OUTT_UTF8;
+ else if (0 == strcmp(arg, "locale"))
+ curp->outtype = OUTT_LOCALE;
else if (0 == strcmp(arg, "xhtml"))
- curp->outtype = OUTT_XHTML;
+ curp->outtype = OUTT_HTML;
else if (0 == strcmp(arg, "ps"))
curp->outtype = OUTT_PS;
+ else if (0 == strcmp(arg, "pdf"))
+ curp->outtype = OUTT_PDF;
else {
- fprintf(stderr, "%s: Bad argument\n", arg);
+ fprintf(stderr, "%s: -T%s: Bad argument\n",
+ progname, arg);
return(0);
}
return(1);
}
-
static int
-foptions(int *fflags, char *arg)
+woptions(struct curparse *curp, char *arg)
{
char *v, *o;
- const char *toks[8];
+ const char *toks[6];
- toks[0] = "ign-scope";
- toks[1] = "no-ign-escape";
- toks[2] = "no-ign-macro";
- toks[3] = "ign-errors";
- toks[4] = "strict";
- toks[5] = "ign-escape";
- toks[6] = NULL;
+ toks[0] = "stop";
+ toks[1] = "all";
+ toks[2] = "warning";
+ toks[3] = "error";
+ toks[4] = "fatal";
+ toks[5] = NULL;
while (*arg) {
o = arg;
switch (getsubopt(&arg, UNCONST(toks), &v)) {
- case (0):
- *fflags |= FL_IGN_SCOPE;
- break;
- case (1):
- *fflags |= FL_NIGN_ESCAPE;
+ case 0:
+ curp->wstop = 1;
break;
- case (2):
- *fflags |= FL_NIGN_MACRO;
- break;
- case (3):
- *fflags |= FL_IGN_ERRORS;
+ case 1:
+ /* FALLTHROUGH */
+ case 2:
+ curp->wlevel = MANDOCLEVEL_WARNING;
break;
- case (4):
- *fflags |= FL_STRICT;
+ case 3:
+ curp->wlevel = MANDOCLEVEL_ERROR;
break;
- case (5):
- *fflags &= ~FL_NIGN_ESCAPE;
+ case 4:
+ curp->wlevel = MANDOCLEVEL_FATAL;
break;
default:
- fprintf(stderr, "%s: Bad argument\n", o);
+ fprintf(stderr, "%s: -W%s: Bad argument\n",
+ progname, o);
return(0);
}
}
return(1);
}
-
-static int
-woptions(int *wflags, char *arg)
+static void
+mmsg(enum mandocerr t, enum mandoclevel lvl,
+ const char *file, int line, int col, const char *msg)
{
- char *v, *o;
- const char *toks[3];
+ const char *mparse_msg;
- toks[0] = "all";
- toks[1] = "error";
- toks[2] = NULL;
+ fprintf(stderr, "%s: %s:", progname, file);
- while (*arg) {
- o = arg;
- switch (getsubopt(&arg, UNCONST(toks), &v)) {
- case (0):
- *wflags |= WARN_WALL;
- break;
- case (1):
- *wflags |= WARN_WERR;
- break;
- default:
- fprintf(stderr, "%s: Bad argument\n", o);
- return(0);
- }
- }
+ if (line)
+ fprintf(stderr, "%d:%d:", line, col + 1);
- return(1);
-}
+ fprintf(stderr, " %s", mparse_strlevel(lvl));
+ if (NULL != (mparse_msg = mparse_strerror(t)))
+ fprintf(stderr, ": %s", mparse_msg);
-static int
-mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
+ if (msg)
+ fprintf(stderr, ": %s", msg);
+
+ fputc('\n', stderr);
+}
+
+static void
+spawn_pager(void)
{
- struct curparse *cp;
- const char *level;
- int rc;
-
- cp = (struct curparse *)arg;
- level = NULL;
- rc = 1;
-
- if (t >= MANDOCERR_FATAL) {
- with_fatal = 1;
- level = "FATAL";
- rc = 0;
- } else {
- if ( ! (WARN_WALL & cp->wflags))
- return(1);
- if (t >= MANDOCERR_ERROR) {
- with_error = 1;
- level = "ERROR";
- }
- if (WARN_WERR & cp->wflags) {
- with_fatal = 1;
- rc = 0;
+#define MAX_PAGER_ARGS 16
+ char *argv[MAX_PAGER_ARGS];
+ const char *pager;
+ char *cp;
+ int fildes[2];
+ int argc;
+
+ if (pipe(fildes) == -1) {
+ fprintf(stderr, "%s: pipe: %s\n",
+ progname, strerror(errno));
+ return;
+ }
+
+ switch (fork()) {
+ case -1:
+ fprintf(stderr, "%s: fork: %s\n",
+ progname, strerror(errno));
+ exit((int)MANDOCLEVEL_SYSERR);
+ case 0:
+ close(fildes[0]);
+ if (dup2(fildes[1], STDOUT_FILENO) == -1) {
+ fprintf(stderr, "%s: dup output: %s\n",
+ progname, strerror(errno));
+ exit((int)MANDOCLEVEL_SYSERR);
}
+ return;
+ default:
+ break;
}
- fprintf(stderr, "%s:%d:%d:", cp->file, ln, col + 1);
- if (level)
- fprintf(stderr, " %s:", level);
- fprintf(stderr, " %s", mandocerrs[t]);
- if (msg)
- fprintf(stderr, ": %s", msg);
- fputc('\n', stderr);
+ /* The original process becomes the pager. */
+
+ close(fildes[1]);
+ if (dup2(fildes[0], STDIN_FILENO) == -1) {
+ fprintf(stderr, "%s: dup input: %s\n",
+ progname, strerror(errno));
+ exit((int)MANDOCLEVEL_SYSERR);
+ }
+
+ pager = getenv("MANPAGER");
+ if (pager == NULL || *pager == '\0')
+ pager = getenv("PAGER");
+ if (pager == NULL || *pager == '\0')
+ pager = "/usr/bin/more -s";
+ cp = mandoc_strdup(pager);
+
+ /*
+ * Parse the pager command into words.
+ * Intentionally do not do anything fancy here.
+ */
+
+ argc = 0;
+ while (argc + 1 < MAX_PAGER_ARGS) {
+ argv[argc++] = cp;
+ cp = strchr(cp, ' ');
+ if (cp == NULL)
+ break;
+ *cp++ = '\0';
+ while (*cp == ' ')
+ cp++;
+ if (*cp == '\0')
+ break;
+ }
+ argv[argc] = NULL;
+
+ /* Hand over to the pager. */
- return(rc);
+ execvp(argv[0], argv);
+ fprintf(stderr, "%s: exec: %s\n",
+ progname, strerror(errno));
+ exit((int)MANDOCLEVEL_SYSERR);
}
git.ckatri.com / mandoc.git / blobdiff