=================================================================== RCS file: /cvs/mandoc/man_validate.c,v retrieving revision 1.13 retrieving revision 1.91 diff -u -p -r1.13 -r1.91 --- mandoc/man_validate.c 2009/06/22 10:40:04 1.13 +++ mandoc/man_validate.c 2014/04/20 16:46:04 1.91 @@ -1,6 +1,7 @@ -/* $Id: man_validate.c,v 1.13 2009/06/22 10:40:04 kristaps Exp $ */ +/* $Id: man_validate.c,v 1.91 2014/04/20 16:46:04 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,129 +15,572 @@ * 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 #include +#include +#include #include #include +#include +#include +#include "man.h" +#include "mandoc.h" +#include "mandoc_aux.h" #include "libman.h" +#include "libmandoc.h" -#define POSTARGS struct man *m, const struct man_node *n +#define CHKARGS struct man *man, struct man_node *n -typedef int (*v_post)(POSTARGS); +typedef int (*v_check)(CHKARGS); struct man_valid { - v_post *posts; + v_check *pres; + v_check *posts; }; -static int check_eq0(POSTARGS); -static int check_ge1(POSTARGS); -static int check_ge2(POSTARGS); -static int check_le1(POSTARGS); -static int check_le2(POSTARGS); -static int check_le5(POSTARGS); -static int check_text(POSTARGS); +static int check_eq0(CHKARGS); +static int check_eq2(CHKARGS); +static int check_le1(CHKARGS); +static int check_ge2(CHKARGS); +static int check_le5(CHKARGS); +static int check_head1(CHKARGS); +static int check_par(CHKARGS); +static int check_part(CHKARGS); +static int check_root(CHKARGS); +static void check_text(CHKARGS); -static v_post posts_le1[] = { check_le1, NULL }; -static v_post posts_le2[] = { check_le2, NULL }; -static v_post posts_ge1[] = { check_ge1, NULL }; -static v_post posts_eq0[] = { check_eq0, NULL }; -static v_post posts_ge2_le5[] = { check_ge2, check_le5, NULL }; +static int post_AT(CHKARGS); +static int post_IP(CHKARGS); +static int post_vs(CHKARGS); +static int post_fi(CHKARGS); +static int post_ft(CHKARGS); +static int post_nf(CHKARGS); +static int post_sec(CHKARGS); +static int post_TH(CHKARGS); +static int post_UC(CHKARGS); +static int pre_sec(CHKARGS); +static v_check posts_at[] = { post_AT, NULL }; +static v_check posts_br[] = { post_vs, check_eq0, NULL }; +static v_check posts_eq0[] = { check_eq0, NULL }; +static v_check posts_eq2[] = { check_eq2, NULL }; +static v_check posts_fi[] = { check_eq0, post_fi, NULL }; +static v_check posts_ft[] = { post_ft, NULL }; +static v_check posts_ip[] = { post_IP, NULL }; +static v_check posts_le1[] = { check_le1, 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[] = { post_sec, NULL }; +static v_check posts_sp[] = { post_vs, check_le1, NULL }; +static v_check posts_th[] = { check_ge2, check_le5, post_TH, NULL }; +static v_check posts_uc[] = { post_UC, NULL }; +static v_check posts_ur[] = { check_head1, check_part, NULL }; +static v_check pres_sec[] = { pre_sec, NULL }; + static const struct man_valid man_valids[MAN_MAX] = { - { posts_eq0 }, /* br */ - { posts_ge2_le5 }, /* TH */ - { posts_ge1 }, /* SH */ - { posts_ge1 }, /* SS */ - { NULL }, /* TP */ - { posts_eq0 }, /* LP */ - { posts_eq0 }, /* PP */ - { posts_eq0 }, /* P */ - { posts_le2 }, /* IP */ - { posts_le1 }, /* HP */ - { NULL }, /* SM */ - { NULL }, /* SB */ - { NULL }, /* BI */ - { NULL }, /* IB */ - { NULL }, /* BR */ - { NULL }, /* RB */ - { NULL }, /* R */ - { NULL }, /* B */ - { NULL }, /* I */ - { NULL }, /* IR */ - { NULL }, /* RI */ - { posts_eq0 }, /* na */ - { NULL }, /* i */ + { NULL, posts_br }, /* br */ + { NULL, posts_th }, /* TH */ + { pres_sec, posts_sec }, /* SH */ + { pres_sec, posts_sec }, /* SS */ + { NULL, NULL }, /* TP */ + { NULL, posts_par }, /* LP */ + { NULL, posts_par }, /* PP */ + { NULL, posts_par }, /* P */ + { NULL, posts_ip }, /* IP */ + { NULL, NULL }, /* HP */ + { NULL, NULL }, /* SM */ + { NULL, NULL }, /* SB */ + { NULL, NULL }, /* BI */ + { NULL, NULL }, /* IB */ + { NULL, NULL }, /* BR */ + { NULL, NULL }, /* RB */ + { NULL, NULL }, /* R */ + { NULL, NULL }, /* B */ + { NULL, NULL }, /* I */ + { NULL, NULL }, /* IR */ + { NULL, NULL }, /* RI */ + { NULL, posts_eq0 }, /* na */ + { NULL, posts_sp }, /* sp */ + { NULL, posts_nf }, /* nf */ + { NULL, posts_fi }, /* fi */ + { NULL, NULL }, /* RE */ + { NULL, posts_part }, /* RS */ + { NULL, NULL }, /* DT */ + { NULL, posts_uc }, /* UC */ + { NULL, posts_le1 }, /* PD */ + { NULL, posts_at }, /* AT */ + { NULL, NULL }, /* in */ + { NULL, posts_ft }, /* ft */ + { NULL, posts_eq2 }, /* OP */ + { NULL, posts_nf }, /* EX */ + { NULL, posts_fi }, /* EE */ + { NULL, posts_ur }, /* UR */ + { NULL, NULL }, /* UE */ + { NULL, NULL }, /* ll */ }; int -man_valid_post(struct man *m) +man_valid_pre(struct man *man, struct man_node *n) { - v_post *cp; + v_check *cp; - if (MAN_VALID & m->last->flags) + switch (n->type) { + case MAN_TEXT: + /* FALLTHROUGH */ + case MAN_ROOT: + /* FALLTHROUGH */ + case MAN_EQN: + /* FALLTHROUGH */ + case MAN_TBL: return(1); - m->last->flags |= MAN_VALID; + default: + break; + } - switch (m->last->type) { - case (MAN_TEXT): - return(check_text(m, m->last)); - case (MAN_ROOT): - /* FIXME: validate that TH has been invoked! */ + if (NULL == (cp = man_valids[n->tok].pres)) return(1); + for ( ; *cp; cp++) + if ( ! (*cp)(man, n)) + return(0); + return(1); +} + +int +man_valid_post(struct man *man) +{ + v_check *cp; + + if (MAN_VALID & man->last->flags) + return(1); + man->last->flags |= MAN_VALID; + + switch (man->last->type) { + case MAN_TEXT: + check_text(man, man->last); + return(1); + case MAN_ROOT: + return(check_root(man, man->last)); + case MAN_EQN: + /* FALLTHROUGH */ + case MAN_TBL: + return(1); default: break; } - if (NULL == (cp = man_valids[m->last->tok].posts)) + if (NULL == (cp = man_valids[man->last->tok].posts)) return(1); for ( ; *cp; cp++) - if ( ! (*cp)(m, m->last)) + if ( ! (*cp)(man, man->last)) return(0); return(1); } - static int -check_text(POSTARGS) +check_root(CHKARGS) { - const char *p; - int pos; - assert(n->string); + if (MAN_BLINE & man->flags) + man_nmsg(man, n, MANDOCERR_SCOPEEXIT); + else if (MAN_ELINE & man->flags) + man_nmsg(man, n, MANDOCERR_SCOPEEXIT); - for (p = n->string, pos = n->pos + 1; *p; p++, pos++) { - if ('\t' == *p || isprint((u_char)*p)) - continue; + man->flags &= ~MAN_BLINE; + man->flags &= ~MAN_ELINE; - if (MAN_IGN_CHARS & m->pflags) - return(man_pwarn(m, n->line, pos, WNPRINT)); - return(man_perr(m, n->line, pos, WNPRINT)); + if (NULL == man->first->child) { + man_nmsg(man, n, MANDOCERR_NODOCBODY); + return(0); + } else if (NULL == man->meta.title) { + man_nmsg(man, n, MANDOCERR_NOTITLE); + + /* + * If a title hasn't been set, do so now (by + * implication, date and section also aren't set). + */ + + man->meta.title = mandoc_strdup("unknown"); + man->meta.msec = mandoc_strdup("1"); + man->meta.date = man->quick ? mandoc_strdup("") : + mandoc_normdate(man->parse, NULL, n->line, n->pos); } return(1); } +static void +check_text(CHKARGS) +{ + char *cp, *p; + if (MAN_LITERAL & man->flags) + return; + + cp = n->string; + for (p = cp; NULL != (p = strchr(p, '\t')); p++) + man_pmsg(man, n->line, (int)(p - cp), MANDOCERR_BADTAB); +} + #define INEQ_DEFINE(x, ineq, name) \ static int \ -check_##name(POSTARGS) \ +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)); \ + mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \ + "line arguments %s %d (have %d)", \ + #ineq, (x), n->nchild); \ + return(1); \ } INEQ_DEFINE(0, ==, eq0) -INEQ_DEFINE(1, >=, ge1) -INEQ_DEFINE(2, >=, ge2) +INEQ_DEFINE(2, ==, eq2) INEQ_DEFINE(1, <=, le1) -INEQ_DEFINE(2, <=, le2) +INEQ_DEFINE(2, >=, ge2) INEQ_DEFINE(5, <=, le5) +static int +check_head1(CHKARGS) +{ + + if (MAN_HEAD == n->type && 1 != n->nchild) + mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, + n->pos, "line arguments eq 1 (have %d)", n->nchild); + + return(1); +} + +static int +post_ft(CHKARGS) +{ + char *cp; + int ok; + + if (0 == n->nchild) + return(1); + + 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; + } + + if (0 == ok) { + mandoc_vmsg(MANDOCERR_BADFONT, man->parse, n->line, + n->pos, "%s", cp); + *cp = '\0'; + } + + if (1 < n->nchild) + mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, + n->pos, "want one child (have %d)", n->nchild); + + return(1); +} + +static int +pre_sec(CHKARGS) +{ + + if (MAN_BLOCK == n->type) + man->flags &= ~MAN_LITERAL; + return(1); +} + +static int +post_sec(CHKARGS) +{ + + if ( ! (MAN_HEAD == n->type && 0 == n->nchild)) + return(1); + + man_nmsg(man, n, MANDOCERR_SYNTARGCOUNT); + return(0); +} + +static int +check_part(CHKARGS) +{ + + if (MAN_BODY == n->type && 0 == n->nchild) + mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line, + n->pos, "want children (have none)"); + + return(1); +} + +static int +check_par(CHKARGS) +{ + + switch (n->type) { + case MAN_BLOCK: + if (0 == n->body->nchild) + man_node_delete(man, n); + break; + case MAN_BODY: + if (0 == n->nchild) + man_nmsg(man, n, MANDOCERR_IGNPAR); + break; + case MAN_HEAD: + if (n->nchild) + man_nmsg(man, n, MANDOCERR_ARGSLOST); + break; + default: + break; + } + + return(1); +} + +static int +post_IP(CHKARGS) +{ + + switch (n->type) { + case MAN_BLOCK: + if (0 == n->head->nchild && 0 == n->body->nchild) + man_node_delete(man, n); + break; + case MAN_BODY: + if (0 == n->parent->head->nchild && 0 == n->nchild) + man_nmsg(man, n, MANDOCERR_IGNPAR); + break; + default: + break; + } + return(1); +} + +static int +post_TH(CHKARGS) +{ + const char *p; + + free(man->meta.title); + free(man->meta.vol); + free(man->meta.source); + free(man->meta.msec); + free(man->meta.date); + + man->meta.title = man->meta.vol = man->meta.date = + man->meta.msec = man->meta.source = NULL; + + /* ->TITLE<- MSEC DATE SOURCE VOL */ + + n = n->child; + if (n && n->string) { + for (p = n->string; '\0' != *p; p++) { + /* Only warn about this once... */ + if (isalpha((unsigned char)*p) && + ! isupper((unsigned char)*p)) { + man_nmsg(man, n, MANDOCERR_UPPERCASE); + break; + } + } + man->meta.title = mandoc_strdup(n->string); + } else + man->meta.title = mandoc_strdup(""); + + /* TITLE ->MSEC<- DATE SOURCE VOL */ + + if (n) + n = n->next; + if (n && n->string) + man->meta.msec = mandoc_strdup(n->string); + else + man->meta.msec = mandoc_strdup(""); + + /* TITLE MSEC ->DATE<- SOURCE VOL */ + + if (n) + n = n->next; + if (n && n->string && '\0' != n->string[0]) { + man->meta.date = man->quick ? + mandoc_strdup(n->string) : + mandoc_normdate(man->parse, n->string, + n->line, n->pos); + } else + man->meta.date = mandoc_strdup(""); + + /* TITLE MSEC DATE ->SOURCE<- VOL */ + + if (n && (n = n->next)) + man->meta.source = mandoc_strdup(n->string); + + /* TITLE MSEC DATE SOURCE ->VOL<- */ + /* If missing, use the default VOL name for MSEC. */ + + if (n && (n = n->next)) + man->meta.vol = mandoc_strdup(n->string); + else if ('\0' != man->meta.msec[0] && + (NULL != (p = mandoc_a2msec(man->meta.msec)))) + man->meta.vol = mandoc_strdup(p); + + /* + * Remove the `TH' node after we've processed it for our + * meta-data. + */ + man_node_delete(man, man->last); + return(1); +} + +static int +post_nf(CHKARGS) +{ + + if (MAN_LITERAL & man->flags) + man_nmsg(man, n, MANDOCERR_SCOPEREP); + + man->flags |= MAN_LITERAL; + return(1); +} + +static int +post_fi(CHKARGS) +{ + + if ( ! (MAN_LITERAL & man->flags)) + man_nmsg(man, n, MANDOCERR_WNOSCOPE); + + man->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; + + 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]; + } + + free(man->meta.source); + man->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]; + } + + free(man->meta.source); + man->meta.source = mandoc_strdup(p); + return(1); +} + +static int +post_vs(CHKARGS) +{ + + if (NULL != n->prev) + return(1); + + switch (n->parent->tok) { + case MAN_SH: + /* FALLTHROUGH */ + case MAN_SS: + man_nmsg(man, n, MANDOCERR_IGNPAR); + /* FALLTHROUGH */ + case MAN_MAX: + /* + * Don't warn about this because it occurs in pod2man + * and would cause considerable (unfixable) warnage. + */ + man_node_delete(man, n); + break; + default: + break; + } + + return(1); +}