=================================================================== RCS file: /cvs/mandoc/man_term.c,v retrieving revision 1.201 retrieving revision 1.229 diff -u -p -r1.201 -r1.229 --- mandoc/man_term.c 2017/06/04 18:50:35 1.201 +++ mandoc/man_term.c 2019/06/27 12:20:18 1.229 @@ -1,7 +1,7 @@ -/* $Id: man_term.c,v 1.201 2017/06/04 18:50:35 schwarze Exp $ */ +/* $Id: man_term.c,v 1.229 2019/06/27 12:20:18 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons - * Copyright (c) 2010-2015, 2017 Ingo Schwarze + * 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 @@ -27,7 +27,6 @@ #include #include "mandoc_aux.h" -#include "mandoc.h" #include "roff.h" #include "man.h" #include "out.h" @@ -37,8 +36,6 @@ #define MAXMARGINS 64 /* maximum number of indented scopes */ struct mtermp { - int fl; -#define MANT_LITERAL (1 << 0) int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */ int lmargincur; /* index of current margin */ int lmarginsz; /* actual number of nested margins */ @@ -51,7 +48,7 @@ struct mtermp { struct roff_node *n, \ const struct roff_meta *meta -struct termact { +struct man_term_act { int (*pre)(DECL_ARGS); void (*post)(DECL_ARGS); int flags; @@ -78,8 +75,10 @@ static int pre_PP(DECL_ARGS); static int pre_RS(DECL_ARGS); static int pre_SH(DECL_ARGS); static int pre_SS(DECL_ARGS); +static int pre_SY(DECL_ARGS); static int pre_TP(DECL_ARGS); static int pre_UR(DECL_ARGS); +static int pre_abort(DECL_ARGS); static int pre_alternate(DECL_ARGS); static int pre_ign(DECL_ARGS); static int pre_in(DECL_ARGS); @@ -89,18 +88,19 @@ static void post_IP(DECL_ARGS); static void post_HP(DECL_ARGS); static void post_RS(DECL_ARGS); static void post_SH(DECL_ARGS); -static void post_SS(DECL_ARGS); +static void post_SY(DECL_ARGS); static void post_TP(DECL_ARGS); static void post_UR(DECL_ARGS); -static const struct termact __termacts[MAN_MAX - MAN_TH] = { +static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = { { NULL, NULL, 0 }, /* TH */ { pre_SH, post_SH, 0 }, /* SH */ - { pre_SS, post_SS, 0 }, /* SS */ + { pre_SS, post_SH, 0 }, /* SS */ { pre_TP, post_TP, 0 }, /* TP */ - { pre_PP, NULL, 0 }, /* LP */ + { pre_TP, post_TP, 0 }, /* TQ */ + { pre_abort, NULL, 0 }, /* LP */ { pre_PP, NULL, 0 }, /* PP */ - { pre_PP, NULL, 0 }, /* P */ + { pre_abort, NULL, 0 }, /* P */ { pre_IP, post_IP, 0 }, /* IP */ { pre_HP, post_HP, 0 }, /* HP */ { NULL, NULL, 0 }, /* SM */ @@ -114,8 +114,6 @@ static const struct termact __termacts[MAN_MAX - MAN_T { pre_I, NULL, 0 }, /* I */ { pre_alternate, NULL, 0 }, /* IR */ { pre_alternate, NULL, 0 }, /* RI */ - { pre_literal, NULL, 0 }, /* nf */ - { pre_literal, NULL, 0 }, /* fi */ { NULL, NULL, 0 }, /* RE */ { pre_RS, post_RS, 0 }, /* RS */ { pre_DT, NULL, 0 }, /* DT */ @@ -123,60 +121,75 @@ static const struct termact __termacts[MAN_MAX - MAN_T { pre_PD, NULL, MAN_NOTEXT }, /* PD */ { pre_ign, NULL, 0 }, /* AT */ { pre_in, NULL, MAN_NOTEXT }, /* in */ + { pre_SY, post_SY, 0 }, /* SY */ + { NULL, NULL, 0 }, /* YS */ { pre_OP, NULL, 0 }, /* OP */ { pre_literal, NULL, 0 }, /* EX */ { pre_literal, NULL, 0 }, /* EE */ { pre_UR, post_UR, 0 }, /* UR */ { NULL, NULL, 0 }, /* UE */ + { pre_UR, post_UR, 0 }, /* MT */ + { NULL, NULL, 0 }, /* ME */ }; -static const struct termact *termacts = __termacts - MAN_TH; +static const struct man_term_act *man_term_act(enum roff_tok); +static const struct man_term_act * +man_term_act(enum roff_tok tok) +{ + assert(tok >= MAN_TH && tok <= MAN_MAX); + return man_term_acts + (tok - MAN_TH); +} + void -terminal_man(void *arg, const struct roff_man *man) +terminal_man(void *arg, const struct roff_meta *man) { - struct termp *p; - struct roff_node *n; struct mtermp mt; + struct termp *p; + struct roff_node *n, *nc, *nn; size_t save_defindent; p = (struct termp *)arg; - p->rmargin = p->maxrmargin = p->defrmargin; + save_defindent = p->defindent; + if (p->synopsisonly == 0 && p->defindent == 0) + p->defindent = 7; + p->tcol->rmargin = p->maxrmargin = p->defrmargin; term_tab_set(p, NULL); term_tab_set(p, "T"); term_tab_set(p, ".5i"); - memset(&mt, 0, sizeof(struct mtermp)); + memset(&mt, 0, sizeof(mt)); mt.lmargin[mt.lmargincur] = term_len(p, p->defindent); mt.offset = term_len(p, p->defindent); mt.pardist = 1; n = man->first->child; if (p->synopsisonly) { - while (n != NULL) { - if (n->tok == MAN_SH && - n->child->child->type == ROFFT_TEXT && - !strcmp(n->child->child->string, "SYNOPSIS")) { - if (n->child->next->child != NULL) - print_man_nodelist(p, &mt, - n->child->next->child, - &man->meta); - term_newln(p); + for (nn = NULL; n != NULL; n = n->next) { + if (n->tok != MAN_SH) + continue; + nc = n->child->child; + if (nc->type != ROFFT_TEXT) + continue; + if (strcmp(nc->string, "SYNOPSIS") == 0) break; - } - n = n->next; + if (nn == NULL && strcmp(nc->string, "NAME") == 0) + nn = n; } + if (n == NULL) + n = nn; + p->flags |= TERMP_NOSPACE; + if (n != NULL && (n = n->child->next->child) != NULL) + print_man_nodelist(p, &mt, n, man); + term_newln(p); } else { - save_defindent = p->defindent; - if (p->defindent == 0) - p->defindent = 7; - term_begin(p, print_man_head, print_man_foot, &man->meta); + term_begin(p, print_man_head, print_man_foot, man); p->flags |= TERMP_NOSPACE; if (n != NULL) - print_man_nodelist(p, &mt, n, &man->meta); + print_man_nodelist(p, &mt, n, man); term_end(p); - p->defindent = save_defindent; } + p->defindent = save_defindent; } /* @@ -194,12 +207,12 @@ print_bvspace(struct termp *p, const struct roff_node term_newln(p); - if (n->body && n->body->child) + if (n->body != NULL && n->body->child != NULL) if (n->body->child->type == ROFFT_TBL) return; if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS) - if (NULL == n->prev) + if (n->prev == NULL) return; for (i = 0; i < pardist; i++) @@ -208,16 +221,20 @@ print_bvspace(struct termp *p, const struct roff_node static int -pre_ign(DECL_ARGS) +pre_abort(DECL_ARGS) { + abort(); +} +static int +pre_ign(DECL_ARGS) +{ return 0; } static int pre_I(DECL_ARGS) { - term_fontrepl(p, TERMFONT_UNDER); return 1; } @@ -225,27 +242,20 @@ pre_I(DECL_ARGS) static int pre_literal(DECL_ARGS) { - term_newln(p); - if (MAN_nf == n->tok || MAN_EX == n->tok) - mt->fl |= MANT_LITERAL; - else - mt->fl &= ~MANT_LITERAL; - /* * Unlike .IP and .TP, .HP does not have a HEAD. * So in case a second call to term_flushln() is needed, * indentation has to be set up explicitly. */ - if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) { - p->offset = p->rmargin; - p->rmargin = p->maxrmargin; + if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) { + p->tcol->offset = p->tcol->rmargin; + p->tcol->rmargin = p->maxrmargin; p->trailspace = 0; p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); p->flags |= TERMP_NOSPACE; } - return 0; } @@ -260,7 +270,7 @@ pre_PD(DECL_ARGS) return 0; } assert(n->type == ROFFT_TEXT); - if (a2roffsu(n->string, &su, SCALE_VS)) + if (a2roffsu(n->string, &su, SCALE_VS) != NULL) mt->pardist = term_vspan(p, &su); return 0; } @@ -270,7 +280,7 @@ pre_alternate(DECL_ARGS) { enum termfont font[2]; struct roff_node *nn; - int savelit, i; + int i; switch (n->tok) { case MAN_RB: @@ -300,29 +310,21 @@ pre_alternate(DECL_ARGS) default: abort(); } - - savelit = MANT_LITERAL & mt->fl; - mt->fl &= ~MANT_LITERAL; - - for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) { + for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i = 1 - i) { term_fontrepl(p, font[i]); - if (savelit && NULL == nn->next) - mt->fl |= MANT_LITERAL; assert(nn->type == ROFFT_TEXT); term_word(p, nn->string); if (nn->flags & NODE_EOS) p->flags |= TERMP_SENTENCE; - if (nn->next) + if (nn->next != NULL) p->flags |= TERMP_NOSPACE; } - return 0; } static int pre_B(DECL_ARGS) { - term_fontrepl(p, TERMFONT_BOLD); return 1; } @@ -330,20 +332,19 @@ pre_B(DECL_ARGS) static int pre_OP(DECL_ARGS) { - term_word(p, "["); - p->flags |= TERMP_NOSPACE; + p->flags |= TERMP_KEEP | TERMP_NOSPACE; - if (NULL != (n = n->child)) { + if ((n = n->child) != NULL) { term_fontrepl(p, TERMFONT_BOLD); term_word(p, n->string); } - if (NULL != n && NULL != n->next) { + if (n != NULL && n->next != NULL) { term_fontrepl(p, TERMFONT_UNDER); term_word(p, n->next->string); } - term_fontrepl(p, TERMFONT_NONE); + p->flags &= ~TERMP_KEEP; p->flags |= TERMP_NOSPACE; term_word(p, "]"); return 0; @@ -359,34 +360,34 @@ pre_in(DECL_ARGS) term_newln(p); - if (NULL == n->child) { - p->offset = mt->offset; + if (n->child == NULL) { + p->tcol->offset = mt->offset; return 0; } cp = n->child->string; less = 0; - if ('-' == *cp) + if (*cp == '-') less = -1; - else if ('+' == *cp) + else if (*cp == '+') less = 1; else cp--; - if ( ! a2roffsu(++cp, &su, SCALE_EN)) + if (a2roffsu(++cp, &su, SCALE_EN) == NULL) return 0; - v = (term_hspan(p, &su) + 11) / 24; + v = term_hen(p, &su); if (less < 0) - p->offset -= p->offset > v ? v : p->offset; + p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset; else if (less > 0) - p->offset += v; + p->tcol->offset += v; else - p->offset = v; - if (p->offset > SHRT_MAX) - p->offset = term_len(p, p->defindent); + p->tcol->offset = v; + if (p->tcol->offset > SHRT_MAX) + p->tcol->offset = term_len(p, p->defindent); return 0; } @@ -411,13 +412,18 @@ pre_HP(DECL_ARGS) case ROFFT_BLOCK: print_bvspace(p, n, mt->pardist); return 1; + case ROFFT_HEAD: + return 0; case ROFFT_BODY: break; default: - return 0; + abort(); } - if ( ! (MANT_LITERAL & mt->fl)) { + if (n->child == NULL) + return 0; + + if ((n->child->flags & NODE_NOFILL) == 0) { p->flags |= TERMP_NOBREAK | TERMP_BRIND; p->trailspace = 2; } @@ -425,8 +431,8 @@ pre_HP(DECL_ARGS) /* Calculate offset. */ if ((nn = n->parent->head->child) != NULL && - a2roffsu(nn->string, &su, SCALE_EN)) { - len = term_hspan(p, &su) / 24; + a2roffsu(nn->string, &su, SCALE_EN) != NULL) { + len = term_hen(p, &su); if (len < 0 && (size_t)(-len) > mt->offset) len = -mt->offset; else if (len > SHRT_MAX) @@ -435,16 +441,18 @@ pre_HP(DECL_ARGS) } else len = mt->lmargin[mt->lmargincur]; - p->offset = mt->offset; - p->rmargin = mt->offset + len; + p->tcol->offset = mt->offset; + p->tcol->rmargin = mt->offset + len; return 1; } static void post_HP(DECL_ARGS) { - switch (n->type) { + case ROFFT_BLOCK: + case ROFFT_HEAD: + break; case ROFFT_BODY: term_newln(p); @@ -460,29 +468,31 @@ post_HP(DECL_ARGS) p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); p->trailspace = 0; - p->offset = mt->offset; - p->rmargin = p->maxrmargin; + p->tcol->offset = mt->offset; + p->tcol->rmargin = p->maxrmargin; break; default: - break; + abort(); } } static int pre_PP(DECL_ARGS) { - switch (n->type) { case ROFFT_BLOCK: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); print_bvspace(p, n, mt->pardist); break; - default: - p->offset = mt->offset; + case ROFFT_HEAD: + return 0; + case ROFFT_BODY: + p->tcol->offset = mt->offset; break; + default: + abort(); } - - return n->type != ROFFT_HEAD; + return 1; } static int @@ -490,28 +500,28 @@ pre_IP(DECL_ARGS) { struct roffsu su; const struct roff_node *nn; - int len, savelit; + int len; switch (n->type) { - case ROFFT_BODY: - p->flags |= TERMP_NOSPACE; - break; + case ROFFT_BLOCK: + print_bvspace(p, n, mt->pardist); + return 1; case ROFFT_HEAD: p->flags |= TERMP_NOBREAK; p->trailspace = 1; break; - case ROFFT_BLOCK: - print_bvspace(p, n, mt->pardist); - /* FALLTHROUGH */ + case ROFFT_BODY: + p->flags |= TERMP_NOSPACE; + break; default: - return 1; + abort(); } /* Calculate the offset from the optional second argument. */ if ((nn = n->parent->head->child) != NULL && (nn = nn->next) != NULL && - a2roffsu(nn->string, &su, SCALE_EN)) { - len = term_hspan(p, &su) / 24; + a2roffsu(nn->string, &su, SCALE_EN) != NULL) { + len = term_hen(p, &su); if (len < 0 && (size_t)(-len) > mt->offset) len = -mt->offset; else if (len > SHRT_MAX) @@ -522,47 +532,39 @@ pre_IP(DECL_ARGS) switch (n->type) { case ROFFT_HEAD: - p->offset = mt->offset; - p->rmargin = mt->offset + len; - - savelit = MANT_LITERAL & mt->fl; - mt->fl &= ~MANT_LITERAL; - - if (n->child) + p->tcol->offset = mt->offset; + p->tcol->rmargin = mt->offset + len; + if (n->child != NULL) print_man_node(p, mt, n->child, meta); - - if (savelit) - mt->fl |= MANT_LITERAL; - return 0; case ROFFT_BODY: - p->offset = mt->offset + len; - p->rmargin = p->maxrmargin; + p->tcol->offset = mt->offset + len; + p->tcol->rmargin = p->maxrmargin; break; default: - break; + abort(); } - return 1; } static void post_IP(DECL_ARGS) { - switch (n->type) { + case ROFFT_BLOCK: + break; case ROFFT_HEAD: term_flushln(p); p->flags &= ~TERMP_NOBREAK; p->trailspace = 0; - p->rmargin = p->maxrmargin; + p->tcol->rmargin = p->maxrmargin; break; case ROFFT_BODY: term_newln(p); - p->offset = mt->offset; + p->tcol->offset = mt->offset; break; default: - break; + abort(); } } @@ -571,9 +573,13 @@ pre_TP(DECL_ARGS) { struct roffsu su; struct roff_node *nn; - int len, savelit; + int len; switch (n->type) { + case ROFFT_BLOCK: + if (n->tok == MAN_TP) + print_bvspace(p, n, mt->pardist); + return 1; case ROFFT_HEAD: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP; p->trailspace = 1; @@ -581,19 +587,16 @@ pre_TP(DECL_ARGS) case ROFFT_BODY: p->flags |= TERMP_NOSPACE; break; - case ROFFT_BLOCK: - print_bvspace(p, n, mt->pardist); - /* FALLTHROUGH */ default: - return 1; + abort(); } /* Calculate offset. */ if ((nn = n->parent->head->child) != NULL && nn->string != NULL && ! (NODE_LINE & nn->flags) && - a2roffsu(nn->string, &su, SCALE_EN)) { - len = term_hspan(p, &su) / 24; + a2roffsu(nn->string, &su, SCALE_EN) != NULL) { + len = term_hen(p, &su); if (len < 0 && (size_t)(-len) > mt->offset) len = -mt->offset; else if (len > SHRT_MAX) @@ -604,52 +607,46 @@ pre_TP(DECL_ARGS) switch (n->type) { case ROFFT_HEAD: - p->offset = mt->offset; - p->rmargin = mt->offset + len; + p->tcol->offset = mt->offset; + p->tcol->rmargin = mt->offset + len; - savelit = MANT_LITERAL & mt->fl; - mt->fl &= ~MANT_LITERAL; - /* Don't print same-line elements. */ nn = n->child; - while (NULL != nn && 0 == (NODE_LINE & nn->flags)) + while (nn != NULL && (nn->flags & NODE_LINE) == 0) nn = nn->next; - while (NULL != nn) { + while (nn != NULL) { print_man_node(p, mt, nn, meta); nn = nn->next; } - - if (savelit) - mt->fl |= MANT_LITERAL; return 0; case ROFFT_BODY: - p->offset = mt->offset + len; - p->rmargin = p->maxrmargin; + p->tcol->offset = mt->offset + len; + p->tcol->rmargin = p->maxrmargin; p->trailspace = 0; p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP); break; default: - break; + abort(); } - return 1; } static void post_TP(DECL_ARGS) { - switch (n->type) { + case ROFFT_BLOCK: + break; case ROFFT_HEAD: term_flushln(p); break; case ROFFT_BODY: term_newln(p); - p->offset = mt->offset; + p->tcol->offset = mt->offset; break; default: - break; + abort(); } } @@ -660,7 +657,6 @@ pre_SS(DECL_ARGS) switch (n->type) { case ROFFT_BLOCK: - mt->fl &= ~MANT_LITERAL; mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); mt->offset = term_len(p, p->defindent); @@ -671,9 +667,10 @@ pre_SS(DECL_ARGS) do { n = n->prev; - } while (n != NULL && n->tok != TOKEN_NONE && - termacts[n->tok].flags & MAN_NOTEXT); - if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL)) + } 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)) break; for (i = 0; i < mt->pardist; i++) @@ -681,40 +678,23 @@ pre_SS(DECL_ARGS) break; case ROFFT_HEAD: term_fontrepl(p, TERMFONT_BOLD); - p->offset = term_len(p, 3); - p->rmargin = mt->offset; + p->tcol->offset = term_len(p, 3); + p->tcol->rmargin = mt->offset; p->trailspace = mt->offset; p->flags |= TERMP_NOBREAK | TERMP_BRIND; break; case ROFFT_BODY: - p->offset = mt->offset; - p->rmargin = p->maxrmargin; + p->tcol->offset = mt->offset; + p->tcol->rmargin = p->maxrmargin; p->trailspace = 0; p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); break; default: break; } - return 1; } -static void -post_SS(DECL_ARGS) -{ - - switch (n->type) { - case ROFFT_HEAD: - term_newln(p); - break; - case ROFFT_BODY: - term_newln(p); - break; - default: - break; - } -} - static int pre_SH(DECL_ARGS) { @@ -722,7 +702,6 @@ pre_SH(DECL_ARGS) switch (n->type) { case ROFFT_BLOCK: - mt->fl &= ~MANT_LITERAL; mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); mt->offset = term_len(p, p->defindent); @@ -733,9 +712,10 @@ pre_SH(DECL_ARGS) do { n = n->prev; - } while (n != NULL && n->tok != TOKEN_NONE && - termacts[n->tok].flags & MAN_NOTEXT); - if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL)) + } 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)) break; for (i = 0; i < mt->pardist; i++) @@ -743,37 +723,35 @@ pre_SH(DECL_ARGS) break; case ROFFT_HEAD: term_fontrepl(p, TERMFONT_BOLD); - p->offset = 0; - p->rmargin = mt->offset; + p->tcol->offset = 0; + p->tcol->rmargin = mt->offset; p->trailspace = mt->offset; p->flags |= TERMP_NOBREAK | TERMP_BRIND; break; case ROFFT_BODY: - p->offset = mt->offset; - p->rmargin = p->maxrmargin; + p->tcol->offset = mt->offset; + p->tcol->rmargin = p->maxrmargin; p->trailspace = 0; p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); break; default: - break; + abort(); } - return 1; } static void post_SH(DECL_ARGS) { - switch (n->type) { - case ROFFT_HEAD: - term_newln(p); + case ROFFT_BLOCK: break; + case ROFFT_HEAD: case ROFFT_BODY: term_newln(p); break; default: - break; + abort(); } } @@ -788,24 +766,26 @@ pre_RS(DECL_ARGS) return 1; case ROFFT_HEAD: return 0; - default: + case ROFFT_BODY: break; + default: + abort(); } n = n->parent->head; n->aux = SHRT_MAX + 1; if (n->child == NULL) n->aux = mt->lmargin[mt->lmargincur]; - else if (a2roffsu(n->child->string, &su, SCALE_EN)) - n->aux = term_hspan(p, &su) / 24; + else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL) + n->aux = term_hen(p, &su); if (n->aux < 0 && (size_t)(-n->aux) > mt->offset) n->aux = -mt->offset; else if (n->aux > SHRT_MAX) n->aux = term_len(p, p->defindent); mt->offset += n->aux; - p->offset = mt->offset; - p->rmargin = p->maxrmargin; + p->tcol->offset = mt->offset; + p->tcol->rmargin = p->maxrmargin; if (++mt->lmarginsz < MAXMARGINS) mt->lmargincur = mt->lmarginsz; @@ -817,42 +797,99 @@ pre_RS(DECL_ARGS) static void post_RS(DECL_ARGS) { - switch (n->type) { case ROFFT_BLOCK: - return; case ROFFT_HEAD: return; - default: - term_newln(p); + case ROFFT_BODY: break; + default: + abort(); } - + term_newln(p); mt->offset -= n->parent->head->aux; - p->offset = mt->offset; - + p->tcol->offset = mt->offset; if (--mt->lmarginsz < MAXMARGINS) mt->lmargincur = mt->lmarginsz; } static int -pre_UR(DECL_ARGS) +pre_SY(DECL_ARGS) { + const struct roff_node *nn; + int len; + switch (n->type) { + case ROFFT_BLOCK: + if (n->prev == NULL || n->prev->tok != MAN_SY) + print_bvspace(p, n, mt->pardist); + return 1; + case ROFFT_HEAD: + case ROFFT_BODY: + break; + default: + abort(); + } + + nn = n->parent->head->child; + len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1; + + switch (n->type) { + case ROFFT_HEAD: + p->tcol->offset = mt->offset; + p->tcol->rmargin = mt->offset + len; + if (n->next->child == NULL || + (n->next->child->flags & NODE_NOFILL) == 0) + p->flags |= TERMP_NOBREAK; + term_fontrepl(p, TERMFONT_BOLD); + break; + case ROFFT_BODY: + mt->lmargin[mt->lmargincur] = len; + p->tcol->offset = mt->offset + len; + p->tcol->rmargin = p->maxrmargin; + p->flags |= TERMP_NOSPACE; + break; + default: + abort(); + } + return 1; +} + +static void +post_SY(DECL_ARGS) +{ + switch (n->type) { + case ROFFT_BLOCK: + break; + case ROFFT_HEAD: + term_flushln(p); + p->flags &= ~TERMP_NOBREAK; + break; + case ROFFT_BODY: + term_newln(p); + p->tcol->offset = mt->offset; + break; + default: + abort(); + } +} + +static int +pre_UR(DECL_ARGS) +{ return n->type != ROFFT_HEAD; } static void post_UR(DECL_ARGS) { - if (n->type != ROFFT_BLOCK) return; term_word(p, "<"); p->flags |= TERMP_NOSPACE; - if (NULL != n->child->child) + if (n->child->child != NULL) print_man_node(p, mt, n->child->child, meta); p->flags |= TERMP_NOSPACE; @@ -862,8 +899,8 @@ post_UR(DECL_ARGS) static void print_man_node(DECL_ARGS) { - size_t rm, rmax; - int c; + const struct man_term_act *act; + int c; switch (n->type) { case ROFFT_TEXT: @@ -873,15 +910,21 @@ print_man_node(DECL_ARGS) * before printing the line's data. */ if (*n->string == '\0') { - term_vspace(p); + if (p->flags & TERMP_NONEWLINE) + term_newln(p); + else + term_vspace(p); return; } else if (*n->string == ' ' && n->flags & NODE_LINE && (p->flags & TERMP_NONEWLINE) == 0) term_newln(p); + else if (n->flags & NODE_DELIMC) + p->flags |= TERMP_NOSPACE; term_word(p, n->string); goto out; - + case ROFFT_COMMENT: + return; case ROFFT_EQN: if ( ! (n->flags & NODE_LINE)) p->flags |= TERMP_NOSPACE; @@ -903,20 +946,20 @@ print_man_node(DECL_ARGS) return; } - assert(n->tok >= MAN_TH && n->tok <= MAN_MAX); - if ( ! (MAN_NOTEXT & termacts[n->tok].flags)) + act = man_term_act(n->tok); + if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM) term_fontrepl(p, TERMFONT_NONE); c = 1; - if (termacts[n->tok].pre) - c = (*termacts[n->tok].pre)(p, mt, n, meta); + if (act->pre != NULL) + c = (*act->pre)(p, mt, n, meta); - if (c && n->child) + if (c && n->child != NULL) print_man_nodelist(p, mt, n->child, meta); - if (termacts[n->tok].post) - (*termacts[n->tok].post)(p, mt, n, meta); - if ( ! (MAN_NOTEXT & termacts[n->tok].flags)) + if (act->post != NULL) + (*act->post)(p, mt, n, meta); + if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM) term_fontrepl(p, TERMFONT_NONE); out: @@ -927,33 +970,28 @@ out: * -man doesn't have nested macros, we don't need to be * more specific than this. */ - if (mt->fl & MANT_LITERAL && + if (n->flags & NODE_NOFILL && ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) && (n->next == NULL || n->next->flags & NODE_LINE)) { - rm = p->rmargin; - rmax = p->maxrmargin; - p->rmargin = p->maxrmargin = TERM_MAXMARGIN; - p->flags |= TERMP_NOSPACE; + p->flags |= TERMP_BRNEVER | TERMP_NOSPACE; if (n->string != NULL && *n->string != '\0') term_flushln(p); else term_newln(p); - if (rm < rmax && n->parent->tok == MAN_HP) { - p->offset = rm; - p->rmargin = rmax; - } else - p->rmargin = rm; - p->maxrmargin = rmax; + p->flags &= ~TERMP_BRNEVER; + if (p->tcol->rmargin < p->maxrmargin && + n->parent->tok == MAN_HP) { + p->tcol->offset = p->tcol->rmargin; + p->tcol->rmargin = p->maxrmargin; + } } - if (NODE_EOS & n->flags) + if (n->flags & NODE_EOS) p->flags |= TERMP_SENTENCE; } - static void print_man_nodelist(DECL_ARGS) { - while (n != NULL) { print_man_node(p, mt, n, meta); n = n->next; @@ -988,7 +1026,7 @@ print_man_foot(struct termp *p, const struct roff_meta } mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec); - } else if (meta->os) { + } else if (meta->os != NULL) { title = mandoc_strdup(meta->os); } else { title = mandoc_strdup(""); @@ -999,8 +1037,8 @@ print_man_foot(struct termp *p, const struct roff_meta p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; p->trailspace = 1; - p->offset = 0; - p->rmargin = p->maxrmargin > datelen ? + p->tcol->offset = 0; + p->tcol->rmargin = p->maxrmargin > datelen ? (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0; if (meta->os) @@ -1009,9 +1047,10 @@ print_man_foot(struct termp *p, const struct roff_meta /* At the bottom in the middle: manual date. */ - p->offset = p->rmargin; + p->tcol->offset = p->tcol->rmargin; titlen = term_strlen(p, title); - p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0; + p->tcol->rmargin = p->maxrmargin > titlen ? + p->maxrmargin - titlen : 0; p->flags |= TERMP_NOSPACE; term_word(p, meta->date); @@ -1022,11 +1061,23 @@ print_man_foot(struct termp *p, const struct roff_meta p->flags &= ~TERMP_NOBREAK; p->flags |= TERMP_NOSPACE; p->trailspace = 0; - p->offset = p->rmargin; - p->rmargin = p->maxrmargin; + p->tcol->offset = p->tcol->rmargin; + p->tcol->rmargin = p->maxrmargin; term_word(p, title); term_flushln(p); + + /* + * Reset the terminal state for more output after the footer: + * Some output modes, in particular PostScript and PDF, print + * the header and the footer into a buffer such that it can be + * reused for multiple output pages, then go on to format the + * main text. + */ + + p->tcol->offset = 0; + p->flags = 0; + free(title); } @@ -1050,8 +1101,8 @@ print_man_head(struct termp *p, const struct roff_meta p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; p->trailspace = 1; - p->offset = 0; - p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ? + p->tcol->offset = 0; + p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ? (p->maxrmargin - vollen + term_len(p, 1)) / 2 : vollen < p->maxrmargin ? p->maxrmargin - vollen : 0; @@ -1061,9 +1112,9 @@ print_man_head(struct termp *p, const struct roff_meta /* At the top in the middle: manual volume. */ p->flags |= TERMP_NOSPACE; - p->offset = p->rmargin; - p->rmargin = p->offset + vollen + titlen < p->maxrmargin ? - p->maxrmargin - titlen : p->maxrmargin; + p->tcol->offset = p->tcol->rmargin; + p->tcol->rmargin = p->tcol->offset + vollen + titlen < + p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin; term_word(p, volume); term_flushln(p); @@ -1072,17 +1123,17 @@ print_man_head(struct termp *p, const struct roff_meta p->flags &= ~TERMP_NOBREAK; p->trailspace = 0; - if (p->rmargin + titlen <= p->maxrmargin) { + if (p->tcol->rmargin + titlen <= p->maxrmargin) { p->flags |= TERMP_NOSPACE; - p->offset = p->rmargin; - p->rmargin = p->maxrmargin; + p->tcol->offset = p->tcol->rmargin; + p->tcol->rmargin = p->maxrmargin; term_word(p, title); term_flushln(p); } p->flags &= ~TERMP_NOSPACE; - p->offset = 0; - p->rmargin = p->maxrmargin; + p->tcol->offset = 0; + p->tcol->rmargin = p->maxrmargin; /* * Groff prints three blank lines before the content.