=================================================================== RCS file: /cvs/mandoc/main.c,v retrieving revision 1.4 retrieving revision 1.212 diff -u -p -r1.4 -r1.212 --- mandoc/main.c 2009/03/19 18:30:26 1.4 +++ mandoc/main.c 2015/01/13 13:22:22 1.212 @@ -1,474 +1,917 @@ -/* $Id: main.c,v 1.4 2009/03/19 18:30:26 kristaps Exp $ */ +/* $Id: main.c,v 1.212 2015/01/13 13:22:22 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008-2012 Kristaps Dzonsons + * Copyright (c) 2010-2012, 2014, 2015 Ingo Schwarze + * Copyright (c) 2010 Joerg Sonnenberger * * 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. + * 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. + * 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 +#include "config.h" +#include + #include -#include +#include +#include #include #include +#include #include #include #include +#include "mandoc.h" +#include "mandoc_aux.h" +#include "main.h" #include "mdoc.h" +#include "man.h" +#include "manpath.h" +#include "mansearch.h" -#ifdef __linux__ -extern int getsubopt(char **, char * const *, char **); -# ifndef __dead -# define __dead __attribute__((__noreturn__)) +#if !defined(__GNUC__) || (__GNUC__ < 2) +# if !defined(lint) +# define __attribute__(x) # endif -#endif +#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ -#define WARN_WALL 0x03 /* All-warnings mask. */ -#define WARN_WCOMPAT (1 << 0) /* Compatibility warnings. */ -#define WARN_WSYNTAX (1 << 1) /* Syntax warnings. */ -#define WARN_WERR (1 << 2) /* Warnings->errors. */ - -enum outt { - OUTT_ASCII, - OUTT_LATIN1, - OUTT_UTF8, - OUTT_TREE, - OUTT_LINT +enum outmode { + OUTMODE_DEF = 0, + OUTMODE_FLN, + OUTMODE_LST, + OUTMODE_ALL, + OUTMODE_INT, + OUTMODE_ONE }; -typedef int (*out_run)(void *, const struct mdoc *); +typedef void (*out_mdoc)(void *, const struct mdoc *); +typedef void (*out_man)(void *, const struct man *); typedef void (*out_free)(void *); -extern char *__progname; +enum outt { + 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 */ +}; -extern void *ascii_alloc(void); -extern void *latin1_alloc(void); -extern void *utf8_alloc(void); -extern int terminal_run(void *, const struct mdoc *); -extern int tree_run(void *, const struct mdoc *); -extern void terminal_free(void *); +struct curparse { + 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_free outfree; /* free output ptr */ + void *outdata; /* data for output */ + char outopts[BUFSIZ]; /* buf of output opts */ +}; -__dead static void version(void); -__dead static void usage(void); -static int foptions(int *, char *); -static int toptions(enum outt *, char *); -static int woptions(int *, char *); -static int merr(void *, int, int, const char *); -static int mwarn(void *, int, int, - enum mdoc_warn, const char *); -static int file(char **, size_t *, char **, size_t *, - const char *, struct mdoc *); -static int fdesc(char **, size_t *, char **, size_t *, - const char *, int, struct mdoc *); +static int koptions(int *, char *); +#if HAVE_SQLITE3 +int mandocdb(int, char**); +#endif +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 *); +#if HAVE_SQLITE3 +static enum mandoclevel passthrough(const char *, int, int); +#endif +static void spawn_pager(void); +static int toptions(struct curparse *, char *); +static void usage(enum argmode) __attribute__((noreturn)); +static void version(void) __attribute__((noreturn)); +static int woptions(struct curparse *, char *); +static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; +static char help_arg[] = "help"; +static char *help_argv[] = {help_arg, NULL}; +static const char *progname; + int main(int argc, char *argv[]) { - int c, rc, fflags, wflags; - struct mdoc_cb cb; - struct mdoc *mdoc; - char *buf, *line; - size_t bufsz, linesz; - void *outdata; - enum outt outtype; - out_run outrun; - out_free outfree; + struct curparse curp; + struct mansearch search; + struct manpaths paths; + char *auxpaths; + char *defos; + unsigned char *uc; +#if HAVE_SQLITE3 + struct manpage *res, *resp; + char *conf_file, *defpaths; + size_t isec, i, sz; + int prio, best_prio, synopsis_only; + char sec; +#endif + enum mandoclevel rc; + enum outmode outmode; + int fd; + int show_usage; + int use_pager; + int options; + int c; - fflags = wflags = 0; - outtype = OUTT_ASCII; + progname = strrchr(argv[0], '/'); + if (progname == NULL) + progname = argv[0]; + else + ++progname; - /* LINTED */ - while (-1 != (c = getopt(argc, argv, "f:VW:T:"))) +#if HAVE_SQLITE3 + if (strcmp(progname, BINM_MAKEWHATIS) == 0) + return(mandocdb(argc, argv)); +#endif + + /* Search options. */ + + memset(&paths, 0, sizeof(struct manpaths)); +#if HAVE_SQLITE3 + conf_file = defpaths = NULL; +#endif + auxpaths = NULL; + + memset(&search, 0, sizeof(struct mansearch)); + search.outkey = "Nd"; + + if (strcmp(progname, BINM_MAN) == 0) + search.argmode = ARG_NAME; + else if (strcmp(progname, BINM_APROPOS) == 0) + search.argmode = ARG_EXPR; + else if (strcmp(progname, BINM_WHATIS) == 0) + search.argmode = ARG_WORD; + else if (strncmp(progname, "help", 4) == 0) + search.argmode = ARG_NAME; + else + search.argmode = ARG_FILE; + + /* Parser and formatter options. */ + + memset(&curp, 0, sizeof(struct curparse)); + curp.outtype = OUTT_LOCALE; + curp.wlevel = MANDOCLEVEL_FATAL; + options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1; + defos = NULL; + + use_pager = 1; + show_usage = 0; +#if HAVE_SQLITE3 + synopsis_only = 0; +#endif + outmode = OUTMODE_DEF; + + while (-1 != (c = getopt(argc, argv, + "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) { switch (c) { - case ('f'): - if ( ! foptions(&fflags, optarg)) - return(0); + case 'a': + outmode = OUTMODE_ALL; break; - case ('T'): - if ( ! toptions(&outtype, optarg)) - return(0); + case 'C': +#if HAVE_SQLITE3 + conf_file = optarg; +#endif break; - case ('W'): - if ( ! woptions(&wflags, optarg)) - return(0); + case 'c': + use_pager = 0; break; - case ('V'): + case 'f': + search.argmode = ARG_WORD; + break; + case 'h': + (void)strlcat(curp.outopts, "synopsis,", BUFSIZ); +#if HAVE_SQLITE3 + synopsis_only = 1; +#endif + use_pager = 0; + 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 'i': + outmode = OUTMODE_INT; + break; + 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': +#if HAVE_SQLITE3 + defpaths = optarg; +#endif + break; + case 'm': + auxpaths = optarg; + break; + case 'O': + search.outkey = optarg; + (void)strlcat(curp.outopts, optarg, BUFSIZ); + (void)strlcat(curp.outopts, ",", BUFSIZ); + break; + case 'S': + search.arch = optarg; + break; + case 's': + search.sec = optarg; + break; + case 'T': + if ( ! toptions(&curp, optarg)) + return((int)MANDOCLEVEL_BADARG); + break; + case 'W': + if ( ! woptions(&curp, optarg)) + return((int)MANDOCLEVEL_BADARG); + break; + case 'w': + outmode = OUTMODE_FLN; + break; + case 'V': version(); /* NOTREACHED */ default: - usage(); - /* NOTREACHED */ + show_usage = 1; + break; } + } + if (show_usage) + usage(search.argmode); + + /* 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; + } + } + + /* Parse arguments. */ + argc -= optind; argv += optind; +#if HAVE_SQLITE3 + resp = NULL; +#endif /* - * Allocate the appropriate front-end. Note that utf8, ascii - * and latin1 all resolve to the terminal front-end with - * different encodings (see terminal.c). Not all frontends have - * cleanup or alloc routines. + * Quirks for help(1) + * and for a man(1) section argument without -s. */ - switch (outtype) { - case (OUTT_LATIN1): - outdata = latin1_alloc(); - outrun = terminal_run; - outfree = terminal_free; - break; - case (OUTT_UTF8): - outdata = utf8_alloc(); - outrun = terminal_run; - outfree = terminal_free; - break; - case (OUTT_TREE): - outdata = NULL; - outrun = tree_run; - outfree = NULL; - break; - case (OUTT_LINT): - outdata = NULL; - outrun = NULL; - outfree = NULL; - break; - default: - outdata = ascii_alloc(); - outrun = terminal_run; - outfree = terminal_free; - break; + if (search.argmode == ARG_NAME) { + if (*progname == 'h') { + if (argc == 0) { + argv = help_argv; + argc = 1; + } + } else if (argc > 1 && + ((uc = argv[0]) != NULL) && + ((isdigit(uc[0]) && (uc[1] == '\0' || + (isalpha(uc[1]) && uc[2] == '\0'))) || + (uc[0] == 'n' && uc[1] == '\0'))) { + search.sec = uc; + argv++; + argc--; + } } - /* - * All callbacks route into here, where we print them onto the - * screen. XXX - for now, no path for debugging messages. - */ + rc = MANDOCLEVEL_OK; - cb.mdoc_msg = NULL; - cb.mdoc_err = merr; - cb.mdoc_warn = mwarn; + /* man(1), whatis(1), apropos(1) */ - buf = line = NULL; - bufsz = linesz = 0; + if (search.argmode != ARG_FILE) { +#if HAVE_SQLITE3 + if (argc == 0) + usage(search.argmode); - mdoc = mdoc_alloc(&wflags, fflags, &cb); + if (search.argmode == ARG_NAME && + outmode == OUTMODE_ONE) + search.firstmatch = 1; + /* Access the mandoc database. */ + + manpath_parse(&paths, conf_file, defpaths, auxpaths); + mansearch_setup(1); + if( ! mansearch(&search, &paths, argc, argv, &res, &sz)) + usage(search.argmode); + resp = res; + + 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. + */ + + 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; + } + } + + /* + * 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 + } + + /* mandoc(1) */ + + if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths)) + return((int)MANDOCLEVEL_BADARG); + + curp.mchars = mchars_alloc(); + curp.mp = mparse_alloc(options, curp.wlevel, mmsg, + curp.mchars, defos); + /* - * Loop around available files. + * Conditionally start up the lookaside buffer before parsing. */ + if (OUTT_MAN == curp.outtype) + mparse_keep(curp.mp); - if (NULL == *argv) { - c = fdesc(&line, &linesz, &buf, &bufsz, - "stdin", STDIN_FILENO, mdoc); - rc = 0; - if (c && NULL == outrun) - rc = 1; - else if (c && outrun && (*outrun)(outdata, mdoc)) - rc = 1; - } else { - while (*argv) { - c = file(&line, &linesz, &buf, - &bufsz, *argv, mdoc); - if ( ! c) - break; - if (outrun && ! (*outrun)(outdata, mdoc)) - break; - /* Reset the parser for another file. */ - mdoc_reset(mdoc); - argv++; + if (argc == 0) { + if (use_pager && isatty(STDOUT_FILENO)) + spawn_pager(); + parse(&curp, STDIN_FILENO, "", &rc); + } + + while (argc) { + rc = mparse_open(curp.mp, &fd, +#if HAVE_SQLITE3 + resp != NULL ? resp->file : +#endif + *argv); + + if (fd != -1) { + if (use_pager && isatty(STDOUT_FILENO)) + spawn_pager(); + use_pager = 0; + +#if HAVE_SQLITE3 + if (resp == NULL) +#endif + parse(&curp, fd, *argv, &rc); +#if HAVE_SQLITE3 + 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, + synopsis_only); +#endif + + if (mparse_wait(curp.mp) != MANDOCLEVEL_OK) + rc = MANDOCLEVEL_SYSERR; + + if (argc > 1 && curp.outtype <= OUTT_UTF8) + ascii_sepline(curp.outdata); } - rc = NULL == *argv; + + if (MANDOCLEVEL_OK != rc && curp.wstop) + break; + +#if HAVE_SQLITE3 + if (resp != NULL) + resp++; + else +#endif + argv++; + if (--argc) + mparse_reset(curp.mp); } - if (buf) - free(buf); - if (line) - free(line); - if (outfree) - (*outfree)(outdata); + if (curp.outfree) + (*curp.outfree)(curp.outdata); + mparse_free(curp.mp); + mchars_free(curp.mchars); - mdoc_free(mdoc); +#if HAVE_SQLITE3 +out: + if (search.argmode != ARG_FILE) { + manpath_free(&paths); + mansearch_free(res, sz); + mansearch_setup(0); + } +#endif - return(rc ? EXIT_SUCCESS : EXIT_FAILURE); + free(defos); + + return((int)rc); } - -__dead static void +static void version(void) { - (void)printf("%s %s\n", __progname, VERSION); - exit(0); - /* NOTREACHED */ + printf("mandoc %s\n", VERSION); + exit((int)MANDOCLEVEL_OK); } - -__dead static void -usage(void) +static void +usage(enum argmode argmode) { - (void)fprintf(stderr, "usage: %s\n", __progname); - exit(1); - /* NOTREACHED */ + switch (argmode) { + case ARG_FILE: + fputs("usage: mandoc [-acfhklV] [-Ios=name] " + "[-Kencoding] [-mformat] [-Ooption]\n" + "\t [-Toutput] [-Wlevel] [file ...]\n", stderr); + break; + case ARG_NAME: + fputs("usage: man [-acfhklVw] [-C file] [-I os=name] " + "[-K encoding] [-M path] [-m path]\n" + "\t [-O option=value] [-S subsection] [-s section] " + "[-T output] [-W level]\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; + } + exit((int)MANDOCLEVEL_BADARG); } - -static int -file(char **ln, size_t *lnsz, char **buf, size_t *bufsz, - const char *file, struct mdoc *mdoc) +static void +parse(struct curparse *curp, int fd, const char *file, + enum mandoclevel *level) { - int fd, c; + enum mandoclevel rc; + struct mdoc *mdoc; + struct man *man; - if (-1 == (fd = open(file, O_RDONLY, 0))) { - warn("%s", file); - return(0); - } + /* Begin by parsing the file itself. */ - c = fdesc(ln, lnsz, buf, bufsz, file, fd, mdoc); + assert(file); + assert(fd >= -1); - if (-1 == close(fd)) - warn("%s", file); + rc = mparse_readfd(curp->mp, fd, file); - return(c); -} + /* Stop immediately if the parse has failed. */ + if (MANDOCLEVEL_FATAL <= rc) + goto cleanup; -static int -fdesc(char **lnp, size_t *lnsz, char **bufp, size_t *bufsz, - const char *f, int fd, struct mdoc *mdoc) -{ - size_t sz; - ssize_t ssz; - struct stat st; - int j, i, pos, lnn; - char *ln, *buf; - - buf = *bufp; - ln = *lnp; - /* - * Two buffers: ln and buf. buf is the input buffer, optimised - * for each file's block size. ln is a line buffer. Both - * growable, hence passed in by ptr-ptr. + * With -Wstop and warnings or errors of at least the requested + * level, do not produce output. */ - if (-1 == fstat(fd, &st)) { - warnx("%s", f); - sz = BUFSIZ; - } else - sz = (unsigned)BUFSIZ > st.st_blksize ? - (size_t)BUFSIZ : st.st_blksize; + if (MANDOCLEVEL_OK != rc && curp->wstop) + goto cleanup; - if (sz > *bufsz) { - if (NULL == (buf = realloc(buf, sz))) - err(1, "realloc"); - *bufp = buf; - *bufsz = sz; - } + /* If unset, allocate output dev now (if applicable). */ - /* - * Fill buf with file blocksize and parse newlines into ln. - */ + if ( ! (curp->outman && curp->outmdoc)) { + switch (curp->outtype) { + case OUTT_HTML: + curp->outdata = html_alloc(curp->mchars, + curp->outopts); + curp->outfree = html_free; + break; + case OUTT_UTF8: + curp->outdata = utf8_alloc(curp->mchars, + curp->outopts); + curp->outfree = ascii_free; + break; + case OUTT_LOCALE: + curp->outdata = locale_alloc(curp->mchars, + curp->outopts); + curp->outfree = ascii_free; + break; + 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; + } - for (lnn = 1, pos = 0; ; ) { - if (-1 == (ssz = read(fd, buf, sz))) { - warn("%s", f); - return(0); - } else if (0 == ssz) + switch (curp->outtype) { + case OUTT_HTML: + curp->outman = html_man; + curp->outmdoc = html_mdoc; break; + case OUTT_TREE: + curp->outman = tree_man; + curp->outmdoc = tree_mdoc; + break; + case OUTT_MAN: + curp->outmdoc = man_mdoc; + curp->outman = man_man; + break; + case OUTT_PDF: + /* FALLTHROUGH */ + case OUTT_ASCII: + /* FALLTHROUGH */ + case OUTT_UTF8: + /* FALLTHROUGH */ + case OUTT_LOCALE: + /* FALLTHROUGH */ + case OUTT_PS: + curp->outman = terminal_man; + curp->outmdoc = terminal_mdoc; + break; + default: + break; + } + } - for (i = 0; i < (int)ssz; i++) { - if (pos >= (int)*lnsz) { - *lnsz += 256; /* Step-size. */ - ln = realloc(ln, *lnsz); - if (NULL == ln) - err(1, "realloc"); - *lnp = ln; - } + mparse_result(curp->mp, &mdoc, &man, NULL); - if ('\n' != buf[i]) { - ln[pos++] = buf[i]; - continue; - } + /* Execute the out device, if it exists. */ - /* Check for CPP-escaped newline. */ + if (man && curp->outman) + (*curp->outman)(curp->outdata, man); + if (mdoc && curp->outmdoc) + (*curp->outmdoc)(curp->outdata, mdoc); - if (pos > 0 && '\\' == ln[pos - 1]) { - for (j = pos - 1; j >= 0; j--) - if ('\\' != ln[j]) - break; +cleanup: + if (*level < rc) + *level = rc; +} - if ( ! ((pos - j) % 2)) { - pos--; - lnn++; - continue; +#if HAVE_SQLITE3 +static enum mandoclevel +passthrough(const char *file, int fd, int synopsis_only) +{ + const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS"; + const char synr[] = "SYNOPSIS"; + + FILE *stream; + const char *syscall; + char *line; + size_t len, off; + ssize_t nw; + int print; + + fflush(stdout); + + if ((stream = fdopen(fd, "r")) == NULL) { + close(fd); + syscall = "fdopen"; + goto fail; + } + + print = 0; + while ((line = fgetln(stream, &len)) != NULL) { + if (synopsis_only) { + if (print) { + if ( ! isspace((unsigned char)*line)) + goto done; + while (len && + isspace((unsigned char)*line)) { + line++; + len--; } + } else { + if ((len == sizeof(synb) && + ! strncmp(line, synb, len - 1)) || + (len == sizeof(synr) && + ! strncmp(line, synr, len - 1))) + print = 1; + continue; } - - ln[pos] = 0; - if ( ! mdoc_parseln(mdoc, lnn, ln)) - return(0); - lnn++; - pos = 0; } + for (off = 0; off < len; off += nw) + if ((nw = write(STDOUT_FILENO, line + off, + len - off)) == -1 || nw == 0) { + fclose(stream); + syscall = "write"; + goto fail; + } } - return(mdoc_endparse(mdoc)); + if (ferror(stream)) { + fclose(stream); + syscall = "fgetln"; + goto fail; + } + +done: + fclose(stream); + return(MANDOCLEVEL_OK); + +fail: + fprintf(stderr, "%s: %s: SYSERR: %s: %s", + progname, file, syscall, strerror(errno)); + return(MANDOCLEVEL_SYSERR); } +#endif +static int +koptions(int *options, char *arg) +{ + 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 -toptions(enum outt *tflags, char *arg) +moptions(int *options, char *arg) { - if (0 == strcmp(arg, "ascii")) - *tflags = OUTT_ASCII; - else if (0 == strcmp(arg, "latin1")) - *tflags = OUTT_LATIN1; - else if (0 == strcmp(arg, "utf8")) - *tflags = OUTT_UTF8; - else if (0 == strcmp(arg, "lint")) - *tflags = OUTT_LINT; - else if (0 == strcmp(arg, "tree")) - *tflags = OUTT_TREE; + if (arg == NULL) + /* nothing to do */; + else if (0 == strcmp(arg, "doc")) + *options |= MPARSE_MDOC; + else if (0 == strcmp(arg, "andoc")) + /* nothing to do */; + else if (0 == strcmp(arg, "an")) + *options |= MPARSE_MAN; else { - warnx("bad argument: -T%s", arg); + fprintf(stderr, "%s: -m %s: Bad argument\n", + progname, arg); return(0); } return(1); } - -/* - * Parse out the options for [-fopt...] setting compiler options. These - * can be comma-delimited or called again. - */ static int -foptions(int *fflags, char *arg) +toptions(struct curparse *curp, char *arg) { - char *v; - char *toks[4]; - toks[0] = "ign-scope"; - toks[1] = "ign-escape"; - toks[2] = "ign-macro"; - toks[3] = NULL; + if (0 == strcmp(arg, "ascii")) + curp->outtype = OUTT_ASCII; + else if (0 == strcmp(arg, "lint")) { + curp->outtype = OUTT_LINT; + 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_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: -T %s: Bad argument\n", + progname, arg); + return(0); + } - while (*arg) - switch (getsubopt(&arg, toks, &v)) { - case (0): - *fflags |= MDOC_IGN_SCOPE; - break; - case (1): - *fflags |= MDOC_IGN_ESCAPE; - break; - case (2): - *fflags |= MDOC_IGN_MACRO; - break; - default: - warnx("bad argument: -f%s", arg); - return(0); - } - return(1); } - -/* - * Parse out the options for [-Werr...], which sets warning modes. - * These can be comma-delimited or called again. - */ static int -woptions(int *wflags, char *arg) +woptions(struct curparse *curp, char *arg) { - char *v; - char *toks[5]; + char *v, *o; + const char *toks[6]; - toks[0] = "all"; - toks[1] = "compat"; - toks[2] = "syntax"; + toks[0] = "stop"; + toks[1] = "all"; + toks[2] = "warning"; toks[3] = "error"; - toks[4] = NULL; + toks[4] = "fatal"; + toks[5] = NULL; - while (*arg) - switch (getsubopt(&arg, toks, &v)) { - case (0): - *wflags |= WARN_WALL; + while (*arg) { + o = arg; + switch (getsubopt(&arg, UNCONST(toks), &v)) { + case 0: + curp->wstop = 1; break; - case (1): - *wflags |= WARN_WCOMPAT; + case 1: + /* FALLTHROUGH */ + case 2: + curp->wlevel = MANDOCLEVEL_WARNING; break; - case (2): - *wflags |= WARN_WSYNTAX; + case 3: + curp->wlevel = MANDOCLEVEL_ERROR; break; - case (3): - *wflags |= WARN_WERR; + case 4: + curp->wlevel = MANDOCLEVEL_FATAL; break; default: - warnx("bad argument: -W%s", arg); + fprintf(stderr, "%s: -W %s: Bad argument\n", + progname, o); return(0); } + } return(1); } - -/* ARGSUSED */ -static int -merr(void *arg, int line, int col, const char *msg) +static void +mmsg(enum mandocerr t, enum mandoclevel lvl, + const char *file, int line, int col, const char *msg) { + const char *mparse_msg; - warnx("error: %s (line %d, column %d)", msg, line, col); - return(0); -} + fprintf(stderr, "%s: %s:", progname, file); + if (line) + fprintf(stderr, "%d:%d:", line, col + 1); -static int -mwarn(void *arg, int line, int col, - enum mdoc_warn type, const char *msg) + fprintf(stderr, " %s", mparse_strlevel(lvl)); + + if (NULL != (mparse_msg = mparse_strerror(t))) + fprintf(stderr, ": %s", mparse_msg); + + if (msg) + fprintf(stderr, ": %s", msg); + + fputc('\n', stderr); +} + +static void +spawn_pager(void) { - int flags; - char *wtype; +#define MAX_PAGER_ARGS 16 + char *argv[MAX_PAGER_ARGS]; + const char *pager; + char *cp; + int fildes[2]; + int argc; - flags = *(int *)arg; - wtype = NULL; + if (pipe(fildes) == -1) { + fprintf(stderr, "%s: pipe: %s\n", + progname, strerror(errno)); + return; + } - switch (type) { - case (WARN_COMPAT): - wtype = "compat"; - if (flags & WARN_WCOMPAT) - break; - return(1); - case (WARN_SYNTAX): - wtype = "syntax"; - if (flags & WARN_WSYNTAX) - break; - return(1); + 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; } - assert(wtype); - warnx("%s warning: %s (line %d, column %d)", - wtype, msg, line, col); + /* The original process becomes the pager. */ - if ( ! (flags & WARN_WERR)) - return(1); + close(fildes[1]); + if (dup2(fildes[0], STDIN_FILENO) == -1) { + fprintf(stderr, "%s: dup input: %s\n", + progname, strerror(errno)); + exit((int)MANDOCLEVEL_SYSERR); + } - warnx("%s: considering warnings as errors", - __progname); - return(0); -} + 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. */ + + execvp(argv[0], argv); + fprintf(stderr, "%s: exec: %s\n", + progname, strerror(errno)); + exit((int)MANDOCLEVEL_SYSERR); +}