=================================================================== RCS file: /cvs/mandoc/man_validate.c,v retrieving revision 1.17 retrieving revision 1.59 diff -u -p -r1.17 -r1.59 --- mandoc/man_validate.c 2009/08/13 11:45:29 1.17 +++ mandoc/man_validate.c 2011/01/12 16:55:22 1.59 @@ -1,6 +1,6 @@ -/* $Id: man_validate.c,v 1.17 2009/08/13 11:45:29 kristaps Exp $ */ +/* $Id: man_validate.c,v 1.59 2011/01/12 16:55:22 kristaps Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,6 +14,10 @@ * 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 #include @@ -22,11 +26,14 @@ #include #include #include +#include +#include +#include "mandoc.h" #include "libman.h" #include "libmandoc.h" -#define CHKARGS struct man *m, const struct man_node *n +#define CHKARGS struct man *m, struct man_node *n typedef int (*v_check)(CHKARGS); @@ -36,65 +43,90 @@ struct man_valid { }; static int check_bline(CHKARGS); -static int check_eline(CHKARGS); static int check_eq0(CHKARGS); -static int check_eq1(CHKARGS); +static int check_ft(CHKARGS); +static int check_le1(CHKARGS); static int check_ge2(CHKARGS); static int check_le5(CHKARGS); static int check_par(CHKARGS); +static int check_part(CHKARGS); static int check_root(CHKARGS); static int check_sec(CHKARGS); -static int check_sp(CHKARGS); static int check_text(CHKARGS); +static int check_title(CHKARGS); +static int post_AT(CHKARGS); +static int post_fi(CHKARGS); +static int post_nf(CHKARGS); +static int post_TH(CHKARGS); +static int post_UC(CHKARGS); + +static v_check posts_at[] = { post_AT, NULL }; static v_check posts_eq0[] = { check_eq0, NULL }; -static v_check posts_ge2_le5[] = { check_ge2, check_le5, NULL }; +static v_check posts_fi[] = { check_eq0, post_fi, NULL }; +static v_check posts_le1[] = { check_le1, NULL }; +static v_check posts_ft[] = { check_ft, NULL }; +static v_check posts_nf[] = { check_eq0, post_nf, NULL }; static v_check posts_par[] = { check_par, NULL }; +static v_check posts_part[] = { check_part, NULL }; static v_check posts_sec[] = { check_sec, NULL }; -static v_check posts_sp[] = { check_sp, NULL }; -static v_check pres_eline[] = { check_eline, NULL }; +static v_check posts_th[] = { check_ge2, check_le5, check_title, post_TH, NULL }; +static v_check posts_uc[] = { post_UC, NULL }; static v_check pres_bline[] = { check_bline, NULL }; + static const struct man_valid man_valids[MAN_MAX] = { - { pres_bline, posts_eq0 }, /* br */ - { pres_bline, posts_ge2_le5 }, /* TH */ + { NULL, posts_eq0 }, /* br */ + { pres_bline, posts_th }, /* TH */ { pres_bline, posts_sec }, /* SH */ { pres_bline, posts_sec }, /* SS */ - { pres_bline, posts_par }, /* TP */ + { pres_bline, NULL }, /* TP */ { pres_bline, posts_par }, /* LP */ { pres_bline, posts_par }, /* PP */ { pres_bline, posts_par }, /* P */ - { pres_bline, posts_par }, /* IP */ - { pres_bline, posts_par }, /* HP */ - { pres_eline, NULL }, /* SM */ - { pres_eline, NULL }, /* SB */ + { pres_bline, NULL }, /* IP */ + { pres_bline, NULL }, /* HP */ + { NULL, NULL }, /* SM */ + { NULL, NULL }, /* SB */ { NULL, NULL }, /* BI */ { NULL, NULL }, /* IB */ { NULL, NULL }, /* BR */ { NULL, NULL }, /* RB */ - { pres_eline, NULL }, /* R */ - { pres_eline, NULL }, /* B */ - { pres_eline, NULL }, /* I */ + { NULL, NULL }, /* R */ + { NULL, NULL }, /* B */ + { NULL, NULL }, /* I */ { NULL, NULL }, /* IR */ { NULL, NULL }, /* RI */ - { pres_bline, posts_eq0 }, /* na */ - { NULL, NULL }, /* i */ - { pres_bline, posts_sp }, /* sp */ - { pres_bline, posts_eq0 }, /* nf */ - { pres_bline, posts_eq0 }, /* fi */ - { NULL, NULL }, /* r */ + { NULL, posts_eq0 }, /* na */ /* FIXME: should warn only. */ + { NULL, posts_le1 }, /* sp */ /* FIXME: should warn only. */ + { pres_bline, posts_nf }, /* nf */ + { pres_bline, posts_fi }, /* fi */ + { NULL, NULL }, /* RE */ + { NULL, posts_part }, /* RS */ + { NULL, NULL }, /* DT */ + { NULL, posts_uc }, /* UC */ + { NULL, NULL }, /* PD */ + { NULL, posts_at }, /* AT */ + { NULL, NULL }, /* in */ + { NULL, posts_ft }, /* ft */ }; int -man_valid_pre(struct man *m, const struct man_node *n) +man_valid_pre(struct man *m, struct man_node *n) { v_check *cp; - if (MAN_TEXT == n->type) + switch (n->type) { + case (MAN_TEXT): + /* FALLTHROUGH */ + case (MAN_ROOT): + /* FALLTHROUGH */ + case (MAN_TBL): return(1); - if (MAN_ROOT == n->type) - return(1); + default: + break; + } if (NULL == (cp = man_valids[n->tok].pres)) return(1); @@ -119,6 +151,8 @@ man_valid_post(struct man *m) return(check_text(m, m->last)); case (MAN_ROOT): return(check_root(m, m->last)); + case (MAN_TBL): + return(1); default: break; } @@ -137,51 +171,89 @@ static int check_root(CHKARGS) { - /* XXX - make this into a warning? */ if (MAN_BLINE & m->flags) - return(man_nerr(m, n, WEXITSCOPE)); - /* XXX - make this into a warning? */ - if (MAN_ELINE & m->flags) - return(man_nerr(m, n, WEXITSCOPE)); + man_nmsg(m, n, MANDOCERR_SCOPEEXIT); + else if (MAN_ELINE & m->flags) + man_nmsg(m, n, MANDOCERR_SCOPEEXIT); - if (NULL == m->first->child) - return(man_nerr(m, n, WNODATA)); - if (NULL == m->meta.title) - return(man_nerr(m, n, WNOTITLE)); + m->flags &= ~MAN_BLINE; + m->flags &= ~MAN_ELINE; + if (NULL == m->first->child) { + man_nmsg(m, n, MANDOCERR_NODOCBODY); + return(0); + } else if (NULL == m->meta.title) { + man_nmsg(m, n, MANDOCERR_NOTITLE); + + /* + * If a title hasn't been set, do so now (by + * implication, date and section also aren't set). + */ + + m->meta.title = mandoc_strdup("unknown"); + m->meta.date = time(NULL); + m->meta.msec = mandoc_strdup("1"); + } + return(1); } static int -check_text(CHKARGS) +check_title(CHKARGS) { const char *p; - int pos, c; - assert(n->string); + assert(n->child); + /* FIXME: is this sufficient? */ + if ('\0' == *n->child->string) { + man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT); + return(0); + } + for (p = n->child->string; '\0' != *p; p++) + /* Only warn about this once... */ + if (isalpha((u_char)*p) && ! isupper((u_char)*p)) { + man_nmsg(m, n, MANDOCERR_UPPERCASE); + break; + } + + return(1); +} + + +static int +check_text(CHKARGS) +{ + char *p; + int pos, c; + size_t sz; + for (p = n->string, pos = n->pos + 1; *p; p++, pos++) { - if ('\\' == *p) { - c = mandoc_special(p); - if (c) { - p += c - 1; - pos += c - 1; + sz = strcspn(p, "\t\\"); + p += (int)sz; + + if ('\0' == *p) + break; + + pos += (int)sz; + + if ('\t' == *p) { + if (MAN_LITERAL & m->flags) continue; - } - if ( ! (MAN_IGN_ESCAPE & m->pflags)) - return(man_perr(m, n->line, pos, WESCAPE)); - if ( ! man_pwarn(m, n->line, pos, WESCAPE)) - return(0); - continue; + if (man_pmsg(m, n->line, pos, MANDOCERR_BADTAB)) + continue; + return(0); } - if ('\t' == *p || isprint((u_char)*p)) - continue; + /* Check the special character. */ - if (MAN_IGN_CHARS & m->pflags) - return(man_pwarn(m, n->line, pos, WNPRINT)); - return(man_perr(m, n->line, pos, WNPRINT)); + c = mandoc_special(p); + if (c) { + p += c - 1; + pos += c - 1; + } else + man_pmsg(m, n->line, pos, MANDOCERR_BADESCAPE); } return(1); @@ -194,55 +266,91 @@ check_##name(CHKARGS) \ { \ if (n->nchild ineq (x)) \ return(1); \ - return(man_verr(m, n->line, n->pos, \ - "expected line arguments %s %d, have %d", \ - #ineq, (x), n->nchild)); \ + man_vmsg(m, MANDOCERR_SYNTARGCOUNT, n->line, n->pos, \ + "line arguments %s %d (have %d)", \ + #ineq, (x), n->nchild); \ + return(0); \ } INEQ_DEFINE(0, ==, eq0) -INEQ_DEFINE(1, ==, eq1) +INEQ_DEFINE(1, <=, le1) INEQ_DEFINE(2, >=, ge2) INEQ_DEFINE(5, <=, le5) - static int -check_sp(CHKARGS) +check_ft(CHKARGS) { - long lval; - char *ep, *buf; + char *cp; + int ok; - if (NULL == n->child) + if (0 == n->nchild) return(1); - else if ( ! check_eq1(m, n)) - return(0); - assert(MAN_TEXT == n->child->type); - buf = n->child->string; - assert(buf); - - /* From OpenBSD's strtol(3). */ + ok = 0; + cp = n->child->string; + switch (*cp) { + case ('1'): + /* FALLTHROUGH */ + case ('2'): + /* FALLTHROUGH */ + case ('3'): + /* FALLTHROUGH */ + case ('4'): + /* FALLTHROUGH */ + case ('I'): + /* FALLTHROUGH */ + case ('P'): + /* FALLTHROUGH */ + case ('R'): + if ('\0' == cp[1]) + ok = 1; + break; + case ('B'): + if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2])) + ok = 1; + break; + case ('C'): + if ('W' == cp[1] && '\0' == cp[2]) + ok = 1; + break; + default: + break; + } - errno = 0; - lval = strtol(buf, &ep, 10); - if (buf[0] == '\0' || *ep != '\0') - return(man_nerr(m, n->child, WNUMFMT)); + if (0 == ok) { + man_vmsg(m, MANDOCERR_BADFONT, + n->line, n->pos, "%s", cp); + *cp = '\0'; + } - if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) || - (lval > INT_MAX || lval < 0)) - return(man_nerr(m, n->child, WNUMFMT)); + if (1 < n->nchild) + man_vmsg(m, MANDOCERR_ARGCOUNT, n->line, n->pos, + "want one child (have %d)", n->nchild); return(1); } - static int check_sec(CHKARGS) { + if (MAN_HEAD == n->type && 0 == n->nchild) { + man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT); + return(0); + } else if (MAN_BODY == n->type && 0 == n->nchild) + man_nmsg(m, n, MANDOCERR_NOBODY); + + return(1); +} + + +static int +check_part(CHKARGS) +{ + if (MAN_BODY == n->type && 0 == n->nchild) - return(man_nwarn(m, n, WBODYARGS)); - if (MAN_HEAD == n->type && 0 == n->nchild) - return(man_nerr(m, n, WHEADARGS)); + man_nmsg(m, n, MANDOCERR_NOBODY); + return(1); } @@ -251,56 +359,208 @@ static int check_par(CHKARGS) { - if (MAN_BODY == n->type) - switch (n->tok) { - case (MAN_IP): - /* FALLTHROUGH */ - case (MAN_HP): - /* FALLTHROUGH */ - case (MAN_TP): - /* Body-less lists are ok. */ - break; - default: - if (n->nchild) - break; - return(man_nwarn(m, n, WBODYARGS)); - } - if (MAN_HEAD == n->type) - switch (n->tok) { - case (MAN_PP): - /* FALLTHROUGH */ - case (MAN_P): - /* FALLTHROUGH */ - case (MAN_LP): - if (0 == n->nchild) - break; - return(man_nwarn(m, n, WNHEADARGS)); - default: - if (n->nchild) - break; - return(man_nwarn(m, n, WHEADARGS)); - } + switch (n->type) { + case (MAN_BLOCK): + if (0 == n->body->nchild) + man_node_delete(m, n); + break; + case (MAN_BODY): + if (0 == n->nchild) + man_nmsg(m, n, MANDOCERR_IGNPAR); + break; + case (MAN_HEAD): + if (n->nchild) + man_nmsg(m, n, MANDOCERR_ARGSLOST); + break; + default: + break; + } return(1); } static int -check_eline(CHKARGS) +check_bline(CHKARGS) { - if ( ! (MAN_ELINE & m->flags)) - return(1); - return(man_nerr(m, n, WLNSCOPE)); + assert( ! (MAN_ELINE & m->flags)); + if (MAN_BLINE & m->flags) { + man_nmsg(m, n, MANDOCERR_SYNTLINESCOPE); + return(0); + } + + return(1); } +static int +post_TH(CHKARGS) +{ + if (m->meta.title) + free(m->meta.title); + if (m->meta.vol) + free(m->meta.vol); + if (m->meta.source) + free(m->meta.source); + if (m->meta.msec) + free(m->meta.msec); + if (m->meta.rawdate) + free(m->meta.rawdate); + + m->meta.title = m->meta.vol = m->meta.rawdate = + m->meta.msec = m->meta.source = NULL; + m->meta.date = 0; + + /* ->TITLE<- MSEC DATE SOURCE VOL */ + + n = n->child; + assert(n); + m->meta.title = mandoc_strdup(n->string); + + /* TITLE ->MSEC<- DATE SOURCE VOL */ + + n = n->next; + assert(n); + m->meta.msec = mandoc_strdup(n->string); + + /* TITLE MSEC ->DATE<- SOURCE VOL */ + + /* + * Try to parse the date. If this works, stash the epoch (this + * is optimal because we can reformat it in the canonical form). + * If it doesn't parse, isn't specified at all, or is an empty + * string, then use the current date. + */ + + n = n->next; + if (n && n->string && *n->string) { + m->meta.date = mandoc_a2time + (MTIME_ISO_8601, n->string); + if (0 == m->meta.date) { + man_nmsg(m, n, MANDOCERR_BADDATE); + m->meta.rawdate = mandoc_strdup(n->string); + } + } else + m->meta.date = time(NULL); + + /* TITLE MSEC DATE ->SOURCE<- VOL */ + + if (n && (n = n->next)) + m->meta.source = mandoc_strdup(n->string); + + /* TITLE MSEC DATE SOURCE ->VOL<- */ + + if (n && (n = n->next)) + m->meta.vol = mandoc_strdup(n->string); + + /* + * Remove the `TH' node after we've processed it for our + * meta-data. + */ + man_node_delete(m, m->last); + return(1); +} + static int -check_bline(CHKARGS) +post_nf(CHKARGS) { - if ( ! (MAN_BLINE & m->flags)) - return(1); - return(man_nerr(m, n, WLNSCOPE)); + if (MAN_LITERAL & m->flags) + man_nmsg(m, n, MANDOCERR_SCOPEREP); + + m->flags |= MAN_LITERAL; + return(1); } +static int +post_fi(CHKARGS) +{ + + if ( ! (MAN_LITERAL & m->flags)) + man_nmsg(m, n, MANDOCERR_WNOSCOPE); + + m->flags &= ~MAN_LITERAL; + return(1); +} + +static int +post_UC(CHKARGS) +{ + static const char * const bsd_versions[] = { + "3rd Berkeley Distribution", + "4th Berkeley Distribution", + "4.2 Berkeley Distribution", + "4.3 Berkeley Distribution", + "4.4 Berkeley Distribution", + }; + + const char *p, *s; + + n = n->child; + n = m->last->child; + + if (NULL == n || MAN_TEXT != n->type) + p = bsd_versions[0]; + else { + s = n->string; + if (0 == strcmp(s, "3")) + p = bsd_versions[0]; + else if (0 == strcmp(s, "4")) + p = bsd_versions[1]; + else if (0 == strcmp(s, "5")) + p = bsd_versions[2]; + else if (0 == strcmp(s, "6")) + p = bsd_versions[3]; + else if (0 == strcmp(s, "7")) + p = bsd_versions[4]; + else + p = bsd_versions[0]; + } + + if (m->meta.source) + free(m->meta.source); + + m->meta.source = mandoc_strdup(p); + return(1); +} + +static int +post_AT(CHKARGS) +{ + static const char * const unix_versions[] = { + "7th Edition", + "System III", + "System V", + "System V Release 2", + }; + + const char *p, *s; + struct man_node *nn; + + n = n->child; + + if (NULL == n || MAN_TEXT != n->type) + p = unix_versions[0]; + else { + s = n->string; + if (0 == strcmp(s, "3")) + p = unix_versions[0]; + else if (0 == strcmp(s, "4")) + p = unix_versions[1]; + else if (0 == strcmp(s, "5")) { + nn = n->next; + if (nn && MAN_TEXT == nn->type && nn->string[0]) + p = unix_versions[3]; + else + p = unix_versions[2]; + } else + p = unix_versions[0]; + } + + if (m->meta.source) + free(m->meta.source); + + m->meta.source = mandoc_strdup(p); + return(1); +}