=================================================================== RCS file: /cvs/mandoc/man_term.c,v retrieving revision 1.232 retrieving revision 1.236 diff -u -p -r1.232 -r1.236 --- mandoc/man_term.c 2019/07/23 17:53:35 1.232 +++ mandoc/man_term.c 2021/06/28 19:50:15 1.236 @@ -1,7 +1,7 @@ -/* $Id: man_term.c,v 1.232 2019/07/23 17:53:35 schwarze Exp $ */ +/* $Id: man_term.c,v 1.236 2021/06/28 19:50:15 schwarze Exp $ */ /* + * Copyright (c) 2010-2015, 2017-2020 Ingo Schwarze * Copyright (c) 2008-2012 Kristaps Dzonsons - * Copyright (c) 2010-2015, 2017-2019 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 @@ -14,6 +14,9 @@ * 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. + * + * Plain text formatter for man(7), used by mandoc(1) + * for ASCII, UTF-8, PostScript, and PDF output. */ #include "config.h" @@ -32,7 +35,7 @@ #include "man.h" #include "out.h" #include "term.h" -#include "tag.h" +#include "term_tag.h" #include "main.h" #define MAXMARGINS 64 /* maximum number of indented scopes */ @@ -64,7 +67,7 @@ static void print_man_head(struct termp *, static void print_man_foot(struct termp *, const struct roff_meta *); static void print_bvspace(struct termp *, - const struct roff_node *, int); + struct roff_node *, int); static int pre_B(DECL_ARGS); static int pre_DT(DECL_ARGS); @@ -94,8 +97,6 @@ static void post_SY(DECL_ARGS); static void post_TP(DECL_ARGS); static void post_UR(DECL_ARGS); -static void tag_man(struct termp *, struct roff_node *); - static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = { { NULL, NULL, 0 }, /* TH */ { pre_SH, post_SH, 0 }, /* SH */ @@ -205,19 +206,20 @@ terminal_man(void *arg, const struct roff_meta *man) * first, print it. */ static void -print_bvspace(struct termp *p, const struct roff_node *n, int pardist) +print_bvspace(struct termp *p, struct roff_node *n, int pardist) { - int i; + struct roff_node *nch; + int i; term_newln(p); - if (n->body != NULL && n->body->child != NULL) - if (n->body->child->type == ROFFT_TBL) - return; + if (n->body != NULL && + (nch = roff_node_child(n->body)) != NULL && + nch->type == ROFFT_TBL) + return; - if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS) - if (n->prev == NULL) - return; + if (n->parent->tok != MAN_RS && roff_node_prev(n) == NULL) + return; for (i = 0; i < pardist; i++) term_vspace(p); @@ -538,10 +540,8 @@ pre_IP(DECL_ARGS) case ROFFT_HEAD: p->tcol->offset = mt->offset; p->tcol->rmargin = mt->offset + len; - if (n->child != NULL) { + if (n->child != NULL) print_man_node(p, mt, n->child, meta); - tag_man(p, n->child); - } return 0; case ROFFT_BODY: p->tcol->offset = mt->offset + len; @@ -621,18 +621,6 @@ pre_TP(DECL_ARGS) while (nn != NULL && (nn->flags & NODE_LINE) == 0) nn = nn->next; - if (nn == NULL) - return 0; - - if (nn->type == ROFFT_TEXT) - tag_man(p, nn); - else if (nn->child != NULL && - nn->child->type == ROFFT_TEXT && - (nn->tok == MAN_B || nn->tok == MAN_BI || - nn->tok == MAN_BR || nn->tok == MAN_I || - nn->tok == MAN_IB || nn->tok == MAN_IR)) - tag_man(p, nn->child); - while (nn != NULL) { print_man_node(p, mt, nn, meta); nn = nn->next; @@ -683,12 +671,8 @@ pre_SS(DECL_ARGS) * and after an empty subsection. */ - do { - n = n->prev; - } while (n != NULL && n->tok >= MAN_TH && - man_term_act(n->tok)->flags & MAN_NOTEXT); - if (n == NULL || n->type == ROFFT_COMMENT || - (n->tok == MAN_SS && n->body->child == NULL)) + if ((n = roff_node_prev(n)) == NULL || + (n->tok == MAN_SS && roff_node_child(n->body) == NULL)) break; for (i = 0; i < mt->pardist; i++) @@ -728,12 +712,8 @@ pre_SH(DECL_ARGS) * and after an empty section. */ - do { - n = n->prev; - } while (n != NULL && n->tok >= MAN_TH && - man_term_act(n->tok)->flags & MAN_NOTEXT); - if (n == NULL || n->type == ROFFT_COMMENT || - (n->tok == MAN_SH && n->body->child == NULL)) + if ((n = roff_node_prev(n)) == NULL || + (n->tok == MAN_SH && roff_node_child(n->body) == NULL)) break; for (i = 0; i < mt->pardist; i++) @@ -839,7 +819,7 @@ pre_SY(DECL_ARGS) switch (n->type) { case ROFFT_BLOCK: - if (n->prev == NULL || n->prev->tok != MAN_SY) + if ((nn = roff_node_prev(n)) == NULL || nn->tok != MAN_SY) print_bvspace(p, n, mt->pardist); return 1; case ROFFT_HEAD: @@ -920,6 +900,9 @@ print_man_node(DECL_ARGS) const struct man_term_act *act; int c; + if (n->flags & NODE_ID) + term_tag_write(n, p->line); + switch (n->type) { case ROFFT_TEXT: /* @@ -1038,10 +1021,6 @@ print_man_foot(struct termp *p, const struct roff_meta */ if ( ! p->mdocstyle) { - if (meta->hasbody) { - term_vspace(p); - term_vspace(p); - } mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec); } else if (meta->os != NULL) { @@ -1160,66 +1139,5 @@ print_man_head(struct termp *p, const struct roff_meta */ term_vspace(p); - if ( ! p->mdocstyle) { - term_vspace(p); - term_vspace(p); - } free(title); -} - -/* - * Skip leading whitespace, dashes, backslashes, and font escapes, - * then create a tag if the first following byte is a letter. - * Priority is high unless whitespace is present. - */ -static void -tag_man(struct termp *p, struct roff_node *n) -{ - const char *cp, *arg; - int prio, sz; - - assert(n->type == ROFFT_TEXT); - cp = n->string; - prio = 1; - for (;;) { - switch (*cp) { - case ' ': - case '\t': - prio = INT_MAX; - /* FALLTHROUGH */ - case '-': - cp++; - break; - case '\\': - cp++; - switch (mandoc_escape(&cp, &arg, &sz)) { - case ESCAPE_FONT: - case ESCAPE_FONTROMAN: - case ESCAPE_FONTITALIC: - case ESCAPE_FONTBOLD: - case ESCAPE_FONTPREV: - case ESCAPE_FONTBI: - break; - case ESCAPE_SPECIAL: - if (sz != 1) - return; - switch (*arg) { - case '&': - case '-': - case 'e': - break; - default: - return; - } - break; - default: - return; - } - break; - default: - if (isalpha((unsigned char)*cp)) - tag_put(cp, prio, p->line); - return; - } - } }