From 080c584ff1e9cef269b4c220a099f4fb842e538c Mon Sep 17 00:00:00 2001 From: Kristaps Dzonsons Date: Thu, 26 Mar 2009 14:38:11 +0000 Subject: Initial front-end formatting for -man pages. --- Makefile | 19 +- libman.h | 3 +- man.7 | 3 +- man.c | 62 +- man.h | 5 +- man_action.c | 16 +- man_macro.c | 44 +- man_term.c | 369 ++++++++++ man_validate.c | 7 +- mdoc_term.c | 2247 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ term.c | 1926 ------------------------------------------------ term.h | 39 +- terminal.c | 321 +------- 13 files changed, 2754 insertions(+), 2307 deletions(-) create mode 100644 man_term.c create mode 100644 mdoc_term.c delete mode 100644 term.c diff --git a/Makefile b/Makefile index d41c1431..d588637a 100644 --- a/Makefile +++ b/Makefile @@ -34,9 +34,12 @@ MANOBJS = man_macro.o man.o man_hash.o man_validate.o \ MANSRCS = man_macro.c man.c man_hash.c man_validate.c \ man_action.c -MAINLNS = main.ln term.ln ascii.ln terminal.ln tree.ln compat.ln -MAINOBJS = main.o term.o ascii.o terminal.o tree.o compat.o -MAINSRCS = main.c term.c ascii.c terminal.c tree.c compat.c +MAINLNS = main.ln mdoc_term.ln ascii.ln terminal.ln tree.ln \ + compat.ln man_term.ln +MAINOBJS = main.o mdoc_term.o ascii.o terminal.o tree.o compat.o \ + man_term.o +MAINSRCS = main.c mdoc_term.c ascii.c terminal.c tree.c compat.c \ + man_term.c LLNS = llib-llibmdoc.ln llib-llibman.ln llib-lmandoc.ln LNS = $(MAINLNS) $(MDOCLNS) $(MANLNS) @@ -129,8 +132,8 @@ st.o: st.c st.in libmdoc.h mdoc_macro.ln: mdoc_macro.c libmdoc.h mdoc_macro.o: mdoc_macro.c libmdoc.h -term.ln: term.c term.h -term.o: term.c term.h +mdoc_term.ln: mdoc_term.c term.h mdoc.h +mdoc_term.o: mdoc_term.c term.h mdoc.h strings.ln: strings.c libmdoc.h strings.o: strings.c libmdoc.h @@ -150,8 +153,8 @@ man.o: man.c libman.h main.ln: main.c mdoc.h main.o: main.c mdoc.h -terminal.ln: terminal.c term.h -terminal.o: terminal.c term.h +terminal.ln: terminal.c term.h man.h mdoc.h +terminal.o: terminal.c term.h man.h mdoc.h xstd.ln: xstd.c libmdoc.h xstd.o: xstd.c libmdoc.h @@ -170,8 +173,6 @@ mdoc_action.o: mdoc_action.c libmdoc.h libmdoc.h: mdoc.h -term.h: mdoc.h - mdocml-nport-$(VERSION).tar.gz: mdocml-$(VERSION).tar.gz Makefile.netbsd DESCR mkdir -p .dist/mdocml/ sed -e "s!@VERSION@!$(VERSION)!" Makefile.netbsd > \ diff --git a/libman.h b/libman.h index 0df07036..9deb3e75 100644 --- a/libman.h +++ b/libman.h @@ -1,4 +1,4 @@ -/* $Id: libman.h,v 1.6 2009/03/25 21:03:13 kristaps Exp $ */ +/* $Id: libman.h,v 1.7 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2009 Kristaps Dzonsons * @@ -33,6 +33,7 @@ struct man { int pflags; int flags; #define MAN_HALT (1 << 0) +#define MAN_NLINE (1 << 1) enum man_next next; struct man_node *last; struct man_node *first; diff --git a/man.7 b/man.7 index 717d6ca8..f85d690c 100644 --- a/man.7 +++ b/man.7 @@ -1,4 +1,4 @@ -.\" $Id: man.7,v 1.2 2009/03/26 09:55:39 kristaps Exp $ +.\" $Id: man.7,v 1.3 2009/03/26 14:38:11 kristaps Exp $ .\" .\" Copyright (c) 2009 Kristaps Dzonsons .\" @@ -136,6 +136,7 @@ macros, arranged alphabetically, with the number of arguments. .It \&.B Ta n .It \&.I Ta n .It \&.IR Ta n +.It \&.RI Ta n .El .\" SECTION .Sh SEE ALSO diff --git a/man.c b/man.c index d424570f..eab8e400 100644 --- a/man.c +++ b/man.c @@ -1,4 +1,4 @@ -/* $Id: man.c,v 1.10 2009/03/26 11:16:21 kristaps Exp $ */ +/* $Id: man.c,v 1.11 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -31,7 +31,8 @@ const char *const __man_macronames[MAN_MAX] = { "TP", "LP", "PP", "P", "IP", "HP", "SM", "SB", "BI", "IB", "BR", "RB", - "R", "B", "I", "IR" + "R", "B", "I", "IR", + "RI" }; const char * const *man_macronames = __man_macronames; @@ -268,6 +269,25 @@ man_ptext(struct man *m, int line, char *buf) if ( ! man_word_alloc(m, line, 0, buf)) return(0); m->next = MAN_NEXT_SIBLING; + + /* + * If this is one of the zany NLINE macros that consumes the + * next line of input as being influenced, then close out the + * existing macro "scope" and continue processing. + */ + + if ( ! (MAN_NLINE & m->flags)) + return(1); + + m->flags &= ~MAN_NLINE; + m->last = m->last->parent; + + assert(MAN_ROOT != m->last->type); + if ( ! man_valid_post(m)) + return(0); + if ( ! man_action_post(m)) + return(0); + return(1); } @@ -275,13 +295,17 @@ man_ptext(struct man *m, int line, char *buf) int man_pmacro(struct man *m, int ln, char *buf) { - int i, j, c, ppos; + int i, j, c, ppos, fl; char mac[5]; + struct man_node *n; /* Comments and empties are quickly ignored. */ + n = m->last; + fl = MAN_NLINE & m->flags; + if (0 == buf[1]) - return(1); + goto out; i = 1; @@ -290,14 +314,14 @@ man_pmacro(struct man *m, int ln, char *buf) while (buf[i] && ' ' == buf[i]) i++; if (0 == buf[i]) - return(1); + goto out; } ppos = i; if (buf[i] && '\\' == buf[i]) if (buf[i + 1] && '\"' == buf[i + 1]) - return(1); + goto out; /* Copy the first word into a nil-terminated buffer. */ @@ -319,7 +343,7 @@ man_pmacro(struct man *m, int ln, char *buf) if ( ! man_vwarn(m, ln, ppos, "ill-formed macro: %s", mac)) goto err; - return(1); + goto out; } if (MAN_MAX == (c = man_hash_find(m->htab, mac))) { @@ -331,7 +355,7 @@ man_pmacro(struct man *m, int ln, char *buf) if ( ! man_vwarn(m, ln, ppos, "unknown macro: %s", mac)) goto err; - return(1); + goto out; } /* The macro is sane. Jump to the next word. */ @@ -344,6 +368,28 @@ man_pmacro(struct man *m, int ln, char *buf) if ( ! man_macro(m, c, ln, ppos, &i, buf)) goto err; +out: + if (fl) { + /* + * A NLINE macro has been immediately followed with + * another. Close out the preceeding macro's scope, and + * continue. + */ + assert(MAN_ROOT != m->last->type); + assert(m->last->parent); + assert(MAN_ROOT != m->last->parent->type); + + if (n != m->last) + m->last = m->last->parent; + + if ( ! man_valid_post(m)) + return(0); + if ( ! man_action_post(m)) + return(0); + m->next = MAN_NEXT_SIBLING; + m->flags &= ~MAN_NLINE; + } + return(1); err: /* Error out. */ diff --git a/man.h b/man.h index 7d2d4ff2..25bef73c 100644 --- a/man.h +++ b/man.h @@ -1,4 +1,4 @@ -/* $Id: man.h,v 1.5 2009/03/25 21:03:13 kristaps Exp $ */ +/* $Id: man.h,v 1.6 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2009 Kristaps Dzonsons * @@ -41,7 +41,8 @@ #define MAN_B 17 #define MAN_I 18 #define MAN_IR 19 -#define MAN_MAX 20 +#define MAN_RI 20 +#define MAN_MAX 21 enum man_type { MAN_TEXT, diff --git a/man_action.c b/man_action.c index a19dfa0f..e303468b 100644 --- a/man_action.c +++ b/man_action.c @@ -1,4 +1,4 @@ -/* $Id: man_action.c,v 1.4 2009/03/26 09:55:39 kristaps Exp $ */ +/* $Id: man_action.c,v 1.5 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -37,7 +37,7 @@ struct actions { static int post_TH(struct man *); -static time_t man_atotime(const char *); +static time_t man_atotime(const char *); const struct actions man_actions[MAN_MAX] = { { NULL }, /* __ */ @@ -60,6 +60,7 @@ const struct actions man_actions[MAN_MAX] = { { NULL }, /* B */ { NULL }, /* I */ { NULL }, /* IR */ + { NULL }, /* RI */ }; @@ -125,12 +126,9 @@ post_TH(struct man *m) /* TITLE MSEC ->DATE<- SOURCE VOL */ - if (NULL == (n = n->next)) { + if (NULL == (n = n->next)) m->meta.date = time(NULL); - return(1); - } - - if (0 == (m->meta.date = man_atotime(n->string))) { + else if (0 == (m->meta.date = man_atotime(n->string))) { if ( ! man_vwarn(m, n->line, n->pos, "invalid date")) return(0); m->meta.date = time(NULL); @@ -138,13 +136,13 @@ post_TH(struct man *m) /* TITLE MSEC DATE ->SOURCE<- VOL */ - if ((n = n->next)) + if (n && (n = n->next)) if (NULL == (m->meta.source = strdup(n->string))) return(man_verr(m, n->line, n->pos, "malloc")); /* TITLE MSEC DATE SOURCE ->VOL<- */ - if ((n = n->next)) + if (n && (n = n->next)) if (NULL == (m->meta.vol = strdup(n->string))) return(man_verr(m, n->line, n->pos, "malloc")); diff --git a/man_macro.c b/man_macro.c index 70b3a912..9af77c6b 100644 --- a/man_macro.c +++ b/man_macro.c @@ -1,4 +1,4 @@ -/* $Id: man_macro.c,v 1.8 2009/03/26 11:16:21 kristaps Exp $ */ +/* $Id: man_macro.c,v 1.9 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -24,9 +24,35 @@ #include "libman.h" +#define FL_NLINE (1 << 0) +#define FL_TLINE (1 << 1) + static int man_args(struct man *, int, int *, char *, char **); +static int man_flags[MAN_MAX] = { + 0, /* __ */ + 0, /* TH */ + 0, /* SH */ + 0, /* SS */ + FL_TLINE, /* TP */ + 0, /* LP */ + 0, /* PP */ + 0, /* P */ + 0, /* IP */ + 0, /* HP */ + FL_NLINE, /* SM */ + FL_NLINE, /* SB */ + FL_NLINE, /* BI */ + FL_NLINE, /* IB */ + FL_NLINE, /* BR */ + FL_NLINE, /* RB */ + FL_NLINE, /* R */ + FL_NLINE, /* B */ + FL_NLINE, /* I */ + FL_NLINE, /* IR */ + FL_NLINE, /* RI */ +}; int man_macro(struct man *man, int tok, int line, @@ -55,6 +81,22 @@ man_macro(struct man *man, int tok, int line, man->next = MAN_NEXT_SIBLING; } + if (n == man->last && (FL_NLINE & man_flags[tok])) { + if (MAN_NLINE & man->flags) + return(man_verr(man, line, ppos, + "next-line scope already open")); + man->flags |= MAN_NLINE; + return(1); + } + + if (FL_TLINE & man_flags[tok]) { + if (MAN_NLINE & man->flags) + return(man_verr(man, line, ppos, + "next-line scope already open")); + man->flags |= MAN_NLINE; + return(1); + } + /* * Note that when TH is pruned, we'll be back at the root, so * make sure that we don't clobber as its sibling. diff --git a/man_term.c b/man_term.c new file mode 100644 index 00000000..d5d95edc --- /dev/null +++ b/man_term.c @@ -0,0 +1,369 @@ +/* $Id: man_term.c,v 1.1 2009/03/26 14:38:11 kristaps Exp $ */ +/* + * Copyright (c) 2008, 2009 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 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. + */ +#include +#include +#include +#include +#include + +#include "term.h" +#include "man.h" + +#define DECL_ARGS struct termp *p, \ + const struct man_node *n, \ + const struct man_meta *m + +struct termact { + int (*pre)(DECL_ARGS); + void (*post)(DECL_ARGS); +}; + +static int pre_B(DECL_ARGS); +static int pre_I(DECL_ARGS); +static int pre_PP(DECL_ARGS); +static int pre_SH(DECL_ARGS); +static int pre_SS(DECL_ARGS); +static int pre_TP(DECL_ARGS); + +static void post_B(DECL_ARGS); +static void post_I(DECL_ARGS); +static void post_SH(DECL_ARGS); +static void post_SS(DECL_ARGS); + +static const struct termact termacts[MAN_MAX] = { + { NULL, NULL }, /* __ */ + { NULL, NULL }, /* TH */ + { pre_SH, post_SH }, /* SH */ + { pre_SS, post_SS }, /* SS */ + { pre_TP, NULL }, /* TP */ + { pre_PP, NULL }, /* LP */ + { pre_PP, NULL }, /* PP */ + { pre_PP, NULL }, /* P */ + { NULL, NULL }, /* IP */ + { pre_PP, NULL }, /* HP */ /* XXX */ + { NULL, NULL }, /* SM */ + { pre_B, post_B }, /* SB */ + { NULL, NULL }, /* BI */ + { NULL, NULL }, /* IB */ + { NULL, NULL }, /* BR */ + { NULL, NULL }, /* RB */ + { NULL, NULL }, /* R */ + { pre_B, post_B }, /* B */ + { pre_I, post_I }, /* I */ + { NULL, NULL }, /* IR */ + { NULL, NULL }, /* RI */ +}; + +static void print_head(struct termp *, + const struct man_meta *); +static void print_body(DECL_ARGS); +static void print_node(DECL_ARGS); +static void print_foot(struct termp *, + const struct man_meta *); + + +int +man_run(struct termp *p, const struct man *m) +{ + + print_head(p, man_meta(m)); + p->flags |= TERMP_NOSPACE; + print_body(p, man_node(m), man_meta(m)); + print_foot(p, man_meta(m)); + + return(1); +} + + +static int +pre_I(DECL_ARGS) +{ + + p->flags |= TERMP_UNDER; + return(1); +} + + +static void +post_I(DECL_ARGS) +{ + + p->flags &= ~TERMP_UNDER; +} + + +static int +pre_B(DECL_ARGS) +{ + + p->flags |= TERMP_BOLD; + return(1); +} + + +static void +post_B(DECL_ARGS) +{ + + p->flags &= ~TERMP_BOLD; +} + + +static int +pre_PP(DECL_ARGS) +{ + + term_vspace(p); + p->offset = INDENT; + return(0); +} + + +static int +pre_TP(DECL_ARGS) +{ + const struct man_node *nn; + size_t offs; + + term_vspace(p); + p->offset = INDENT; + + if (NULL == (nn = n->child)) + return(1); + + if (nn->line == n->line) { + if (MAN_TEXT != nn->type) + errx(1, "expected text line argument"); + offs = atoi(nn->string); + nn = nn->next; + } else + offs = INDENT; + + for ( ; nn; nn = nn->next) + print_node(p, nn, m); + + term_flushln(p); + p->flags |= TERMP_NOSPACE; + p->offset += offs; + return(0); +} + + +static int +pre_SS(DECL_ARGS) +{ + + term_vspace(p); + p->flags |= TERMP_BOLD; + return(1); +} + + +static void +post_SS(DECL_ARGS) +{ + + term_flushln(p); + p->flags &= ~TERMP_BOLD; + p->flags |= TERMP_NOSPACE; +} + + +static int +pre_SH(DECL_ARGS) +{ + + term_vspace(p); + p->offset = 0; + p->flags |= TERMP_BOLD; + return(1); +} + + +static void +post_SH(DECL_ARGS) +{ + + term_flushln(p); + p->offset = INDENT; + p->flags &= ~TERMP_BOLD; + p->flags |= TERMP_NOSPACE; +} + + +static void +print_node(DECL_ARGS) +{ + int c; + + c = 1; + + switch (n->type) { + case(MAN_ELEM): + if (termacts[n->tok].pre) + c = (*termacts[n->tok].pre)(p, n, m); + break; + case(MAN_TEXT): + if (*n->string) { + term_word(p, n->string); + break; + } + term_vspace(p); + break; + default: + break; + } + + if (c && n->child) + print_body(p, n->child, m); + + switch (n->type) { + case (MAN_ELEM): + if (termacts[n->tok].post) + (*termacts[n->tok].post)(p, n, m); + break; + default: + break; + } +} + + +static void +print_body(DECL_ARGS) +{ + print_node(p, n, m); + if ( ! n->next) + return; + print_body(p, n->next, m); +} + + +static void +print_foot(struct termp *p, const struct man_meta *meta) +{ + struct tm *tm; + char *buf; + + if (NULL == (buf = malloc(p->rmargin))) + err(1, "malloc"); + + tm = localtime(&meta->date); + +#ifdef __OpenBSD__ + if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm)) +#else + if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm)) +#endif + err(1, "strftime"); + + /* + * This is /slightly/ different from regular groff output + * because we don't have page numbers. Print the following: + * + * OS MDOCDATE + */ + + term_vspace(p); + + p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; + p->rmargin = p->maxrmargin - strlen(buf); + p->offset = 0; + + if (meta->source) + term_word(p, meta->source); + if (meta->source) + term_word(p, ""); + term_flushln(p); + + p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + p->flags &= ~TERMP_NOBREAK; + + term_word(p, buf); + term_flushln(p); + + free(buf); +} + + +static void +print_head(struct termp *p, const struct man_meta *meta) +{ + char *buf, *title; + + p->rmargin = p->maxrmargin; + p->offset = 0; + + if (NULL == (buf = malloc(p->rmargin))) + err(1, "malloc"); + if (NULL == (title = malloc(p->rmargin))) + err(1, "malloc"); + + /* + * The header is strange. It has three components, which are + * really two with the first duplicated. It goes like this: + * + * IDENTIFIER TITLE IDENTIFIER + * + * The IDENTIFIER is NAME(SECTION), which is the command-name + * (if given, or "unknown" if not) followed by the manual page + * section. These are given in `Dt'. The TITLE is a free-form + * string depending on the manual volume. If not specified, it + * switches on the manual section. + */ + + if (meta->vol) + (void)strlcpy(buf, meta->vol, p->rmargin); + else + *buf = 0; + + (void)snprintf(title, p->rmargin, "%s(%d)", + meta->title, meta->msec); + + p->offset = 0; + p->rmargin = (p->maxrmargin - strlen(buf)) / 2; + p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; + + term_word(p, title); + term_flushln(p); + + p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->offset = p->rmargin; + p->rmargin = p->maxrmargin - strlen(title); + + term_word(p, buf); + term_flushln(p); + + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + p->flags &= ~TERMP_NOBREAK; + p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + + term_word(p, title); + term_flushln(p); + + p->rmargin = p->maxrmargin; + p->offset = 0; + p->flags &= ~TERMP_NOSPACE; + + free(title); + free(buf); +} + diff --git a/man_validate.c b/man_validate.c index 71e30b80..54536a5f 100644 --- a/man_validate.c +++ b/man_validate.c @@ -1,4 +1,4 @@ -/* $Id: man_validate.c,v 1.3 2009/03/26 09:55:39 kristaps Exp $ */ +/* $Id: man_validate.c,v 1.4 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -54,7 +54,7 @@ static const struct man_valid man_valids[MAN_MAX] = { { posts_ge2_le5 }, /* TH */ { posts_ge1 }, /* SH */ { posts_ge1 }, /* SS */ - { posts_le1 }, /* TP */ + { NULL }, /* TP */ { posts_eq0 }, /* LP */ { posts_eq0 }, /* PP */ { posts_eq0 }, /* P */ @@ -70,6 +70,7 @@ static const struct man_valid man_valids[MAN_MAX] = { { NULL }, /* B */ { NULL }, /* I */ { NULL }, /* IR */ + { NULL }, /* RI */ }; @@ -119,7 +120,7 @@ check_##name(POSTARGS) \ int c; \ if ((c = count(n->child)) ineq (x)) \ return(1); \ - return(man_vwarn(m, n->line, n->pos, \ + return(man_verr(m, n->line, n->pos, \ "expected line arguments %s %d, have %d", \ #ineq, (x), c)); \ } diff --git a/mdoc_term.c b/mdoc_term.c new file mode 100644 index 00000000..091c79ce --- /dev/null +++ b/mdoc_term.c @@ -0,0 +1,2247 @@ +/* $Id: mdoc_term.c,v 1.1 2009/03/26 14:38:11 kristaps Exp $ */ +/* + * Copyright (c) 2008, 2009 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 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. + */ +#include + +#include +#include +#include +#include +#include +#include + +#include "term.h" +#include "mdoc.h" + +/* FIXME: macro arguments can be escaped. */ +/* FIXME: support more offset/width tokens. */ + +#define TTYPE_PROG 0 +#define TTYPE_CMD_FLAG 1 +#define TTYPE_CMD_ARG 2 +#define TTYPE_SECTION 3 +#define TTYPE_FUNC_DECL 4 +#define TTYPE_VAR_DECL 5 +#define TTYPE_FUNC_TYPE 6 +#define TTYPE_FUNC_NAME 7 +#define TTYPE_FUNC_ARG 8 +#define TTYPE_LINK 9 +#define TTYPE_SSECTION 10 +#define TTYPE_FILE 11 +#define TTYPE_EMPH 12 +#define TTYPE_CONFIG 13 +#define TTYPE_CMD 14 +#define TTYPE_INCLUDE 15 +#define TTYPE_SYMB 16 +#define TTYPE_SYMBOL 17 +#define TTYPE_DIAG 18 +#define TTYPE_LINK_ANCHOR 19 +#define TTYPE_LINK_TEXT 20 +#define TTYPE_REF_JOURNAL 21 +#define TTYPE_LIST 22 +#define TTYPE_NMAX 23 + +const int ttypes[TTYPE_NMAX] = { + TERMP_BOLD, /* TTYPE_PROG */ + TERMP_BOLD, /* TTYPE_CMD_FLAG */ + TERMP_UNDER, /* TTYPE_CMD_ARG */ + TERMP_BOLD, /* TTYPE_SECTION */ + TERMP_BOLD, /* TTYPE_FUNC_DECL */ + TERMP_UNDER, /* TTYPE_VAR_DECL */ + TERMP_UNDER, /* TTYPE_FUNC_TYPE */ + TERMP_BOLD, /* TTYPE_FUNC_NAME */ + TERMP_UNDER, /* TTYPE_FUNC_ARG */ + TERMP_UNDER, /* TTYPE_LINK */ + TERMP_BOLD, /* TTYPE_SSECTION */ + TERMP_UNDER, /* TTYPE_FILE */ + TERMP_UNDER, /* TTYPE_EMPH */ + TERMP_BOLD, /* TTYPE_CONFIG */ + TERMP_BOLD, /* TTYPE_CMD */ + TERMP_BOLD, /* TTYPE_INCLUDE */ + TERMP_BOLD, /* TTYPE_SYMB */ + TERMP_BOLD, /* TTYPE_SYMBOL */ + TERMP_BOLD, /* TTYPE_DIAG */ + TERMP_UNDER, /* TTYPE_LINK_ANCHOR */ + TERMP_BOLD, /* TTYPE_LINK_TEXT */ + TERMP_UNDER, /* TTYPE_REF_JOURNAL */ + TERMP_BOLD /* TTYPE_LIST */ +}; + +/* XXX - clean this up. */ + +struct termpair { + struct termpair *ppair; + int type; +#define TERMPAIR_FLAG (1 << 0) + int flag; + size_t offset; + size_t rmargin; + int count; +}; + +#define TERMPAIR_SETFLAG(termp, p, fl) \ + do { \ + assert(! (TERMPAIR_FLAG & (p)->type)); \ + (termp)->flags |= (fl); \ + (p)->flag = (fl); \ + (p)->type |= TERMPAIR_FLAG; \ + } while ( /* CONSTCOND */ 0) + +#define DECL_ARGS \ + struct termp *p, struct termpair *pair, \ + const struct mdoc_meta *meta, \ + const struct mdoc_node *node + +#define DECL_PRE(name) \ +static int name##_pre(DECL_ARGS) +#define DECL_POST(name) \ +static void name##_post(DECL_ARGS) +#define DECL_PREPOST(name) \ +DECL_PRE(name); \ +DECL_POST(name); + +DECL_PREPOST(termp__t); +DECL_PREPOST(termp_aq); +DECL_PREPOST(termp_bd); +DECL_PREPOST(termp_bq); +DECL_PREPOST(termp_brq); +DECL_PREPOST(termp_d1); +DECL_PREPOST(termp_dq); +DECL_PREPOST(termp_fd); +DECL_PREPOST(termp_fn); +DECL_PREPOST(termp_fo); +DECL_PREPOST(termp_ft); +DECL_PREPOST(termp_in); +DECL_PREPOST(termp_it); +DECL_PREPOST(termp_lb); +DECL_PREPOST(termp_op); +DECL_PREPOST(termp_pf); +DECL_PREPOST(termp_pq); +DECL_PREPOST(termp_qq); +DECL_PREPOST(termp_sh); +DECL_PREPOST(termp_ss); +DECL_PREPOST(termp_sq); +DECL_PREPOST(termp_vt); + +DECL_PRE(termp__j); +DECL_PRE(termp_ap); +DECL_PRE(termp_ar); +DECL_PRE(termp_at); +DECL_PRE(termp_bf); +DECL_PRE(termp_bsx); +DECL_PRE(termp_bt); +DECL_PRE(termp_cd); +DECL_PRE(termp_cm); +DECL_PRE(termp_dx); +DECL_PRE(termp_em); +DECL_PRE(termp_ex); +DECL_PRE(termp_fa); +DECL_PRE(termp_fl); +DECL_PRE(termp_fx); +DECL_PRE(termp_ic); +DECL_PRE(termp_lk); +DECL_PRE(termp_ms); +DECL_PRE(termp_mt); +DECL_PRE(termp_nd); +DECL_PRE(termp_nm); +DECL_PRE(termp_ns); +DECL_PRE(termp_nx); +DECL_PRE(termp_ox); +DECL_PRE(termp_pa); +DECL_PRE(termp_pp); +DECL_PRE(termp_rs); +DECL_PRE(termp_rv); +DECL_PRE(termp_sm); +DECL_PRE(termp_st); +DECL_PRE(termp_sx); +DECL_PRE(termp_sy); +DECL_PRE(termp_ud); +DECL_PRE(termp_ux); +DECL_PRE(termp_va); +DECL_PRE(termp_xr); + +DECL_POST(termp___); +DECL_POST(termp_bl); +DECL_POST(termp_bx); + +struct termact { + int (*pre)(DECL_ARGS); + void (*post)(DECL_ARGS); +}; + +static const struct termact termacts[MDOC_MAX] = { + { NULL, NULL }, /* \" */ + { NULL, NULL }, /* Dd */ + { NULL, NULL }, /* Dt */ + { NULL, NULL }, /* Os */ + { termp_sh_pre, termp_sh_post }, /* Sh */ + { termp_ss_pre, termp_ss_post }, /* Ss */ + { termp_pp_pre, NULL }, /* Pp */ + { termp_d1_pre, termp_d1_post }, /* D1 */ + { termp_d1_pre, termp_d1_post }, /* Dl */ + { termp_bd_pre, termp_bd_post }, /* Bd */ + { NULL, NULL }, /* Ed */ + { NULL, termp_bl_post }, /* Bl */ + { NULL, NULL }, /* El */ + { termp_it_pre, termp_it_post }, /* It */ + { NULL, NULL }, /* Ad */ + { NULL, NULL }, /* An */ + { termp_ar_pre, NULL }, /* Ar */ + { termp_cd_pre, NULL }, /* Cd */ + { termp_cm_pre, NULL }, /* Cm */ + { NULL, NULL }, /* Dv */ + { NULL, NULL }, /* Er */ + { NULL, NULL }, /* Ev */ + { termp_ex_pre, NULL }, /* Ex */ + { termp_fa_pre, NULL }, /* Fa */ + { termp_fd_pre, termp_fd_post }, /* Fd */ + { termp_fl_pre, NULL }, /* Fl */ + { termp_fn_pre, termp_fn_post }, /* Fn */ + { termp_ft_pre, termp_ft_post }, /* Ft */ + { termp_ic_pre, NULL }, /* Ic */ + { termp_in_pre, termp_in_post }, /* In */ + { NULL, NULL }, /* Li */ + { termp_nd_pre, NULL }, /* Nd */ + { termp_nm_pre, NULL }, /* Nm */ + { termp_op_pre, termp_op_post }, /* Op */ + { NULL, NULL }, /* Ot */ + { termp_pa_pre, NULL }, /* Pa */ + { termp_rv_pre, NULL }, /* Rv */ + { termp_st_pre, NULL }, /* St */ + { termp_va_pre, NULL }, /* Va */ + { termp_vt_pre, termp_vt_post }, /* Vt */ + { termp_xr_pre, NULL }, /* Xr */ + { NULL, termp____post }, /* %A */ + { NULL, termp____post }, /* %B */ + { NULL, termp____post }, /* %D */ + { NULL, termp____post }, /* %I */ + { termp__j_pre, termp____post }, /* %J */ + { NULL, termp____post }, /* %N */ + { NULL, termp____post }, /* %O */ + { NULL, termp____post }, /* %P */ + { NULL, termp____post }, /* %R */ + { termp__t_pre, termp__t_post }, /* %T */ + { NULL, termp____post }, /* %V */ + { NULL, NULL }, /* Ac */ + { termp_aq_pre, termp_aq_post }, /* Ao */ + { termp_aq_pre, termp_aq_post }, /* Aq */ + { termp_at_pre, NULL }, /* At */ + { NULL, NULL }, /* Bc */ + { termp_bf_pre, NULL }, /* Bf */ + { termp_bq_pre, termp_bq_post }, /* Bo */ + { termp_bq_pre, termp_bq_post }, /* Bq */ + { termp_bsx_pre, NULL }, /* Bsx */ + { NULL, termp_bx_post }, /* Bx */ + { NULL, NULL }, /* Db */ + { NULL, NULL }, /* Dc */ + { termp_dq_pre, termp_dq_post }, /* Do */ + { termp_dq_pre, termp_dq_post }, /* Dq */ + { NULL, NULL }, /* Ec */ + { NULL, NULL }, /* Ef */ + { termp_em_pre, NULL }, /* Em */ + { NULL, NULL }, /* Eo */ + { termp_fx_pre, NULL }, /* Fx */ + { termp_ms_pre, NULL }, /* Ms */ + { NULL, NULL }, /* No */ + { termp_ns_pre, NULL }, /* Ns */ + { termp_nx_pre, NULL }, /* Nx */ + { termp_ox_pre, NULL }, /* Ox */ + { NULL, NULL }, /* Pc */ + { termp_pf_pre, termp_pf_post }, /* Pf */ + { termp_pq_pre, termp_pq_post }, /* Po */ + { termp_pq_pre, termp_pq_post }, /* Pq */ + { NULL, NULL }, /* Qc */ + { termp_sq_pre, termp_sq_post }, /* Ql */ + { termp_qq_pre, termp_qq_post }, /* Qo */ + { termp_qq_pre, termp_qq_post }, /* Qq */ + { NULL, NULL }, /* Re */ + { termp_rs_pre, NULL }, /* Rs */ + { NULL, NULL }, /* Sc */ + { termp_sq_pre, termp_sq_post }, /* So */ + { termp_sq_pre, termp_sq_post }, /* Sq */ + { termp_sm_pre, NULL }, /* Sm */ + { termp_sx_pre, NULL }, /* Sx */ + { termp_sy_pre, NULL }, /* Sy */ + { NULL, NULL }, /* Tn */ + { termp_ux_pre, NULL }, /* Ux */ + { NULL, NULL }, /* Xc */ + { NULL, NULL }, /* Xo */ + { termp_fo_pre, termp_fo_post }, /* Fo */ + { NULL, NULL }, /* Fc */ + { termp_op_pre, termp_op_post }, /* Oo */ + { NULL, NULL }, /* Oc */ + { NULL, NULL }, /* Bk */ + { NULL, NULL }, /* Ek */ + { termp_bt_pre, NULL }, /* Bt */ + { NULL, NULL }, /* Hf */ + { NULL, NULL }, /* Fr */ + { termp_ud_pre, NULL }, /* Ud */ + { termp_lb_pre, termp_lb_post }, /* Lb */ + { termp_ap_pre, NULL }, /* Lb */ + { termp_pp_pre, NULL }, /* Pp */ + { termp_lk_pre, NULL }, /* Lk */ + { termp_mt_pre, NULL }, /* Mt */ + { termp_brq_pre, termp_brq_post }, /* Brq */ + { termp_brq_pre, termp_brq_post }, /* Bro */ + { NULL, NULL }, /* Brc */ + { NULL, NULL }, /* %C */ + { NULL, NULL }, /* Es */ + { NULL, NULL }, /* En */ + { termp_dx_pre, NULL }, /* Dx */ + { NULL, NULL }, /* %Q */ +}; + +static int arg_hasattr(int, const struct mdoc_node *); +static int arg_getattrs(const int *, int *, size_t, + const struct mdoc_node *); +static int arg_getattr(int, const struct mdoc_node *); +static size_t arg_offset(const struct mdoc_argv *); +static size_t arg_width(const struct mdoc_argv *, int); +static int arg_listtype(const struct mdoc_node *); +static int fmt_block_vspace(struct termp *, + const struct mdoc_node *, + const struct mdoc_node *); +static int print_node(DECL_ARGS); +static int print_head(struct termp *, + const struct mdoc_meta *); +static int print_body(DECL_ARGS); +static int print_foot(struct termp *, + const struct mdoc_meta *); +static void sanity(const struct mdoc_node *); + + +int +mdoc_run(struct termp *p, const struct mdoc *m) +{ + + if ( ! print_head(p, mdoc_meta(m))) + return(0); + if ( ! print_body(p, NULL, mdoc_meta(m), mdoc_node(m))) + return(0); + return(print_foot(p, mdoc_meta(m))); +} + + +static int +print_body(DECL_ARGS) +{ + + if ( ! print_node(p, pair, meta, node)) + return(0); + if ( ! node->next) + return(1); + return(print_body(p, pair, meta, node->next)); +} + + +static int +print_node(DECL_ARGS) +{ + int dochild; + struct termpair npair; + + /* Some quick sanity-checking. */ + + sanity(node); + + /* Pre-processing. */ + + dochild = 1; + npair.ppair = pair; + npair.type = 0; + npair.offset = npair.rmargin = 0; + npair.flag = 0; + npair.count = 0; + + if (MDOC_TEXT != node->type) { + if (termacts[node->tok].pre) + if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node)) + dochild = 0; + } else /* MDOC_TEXT == node->type */ + term_word(p, node->string); + + /* Children. */ + + if (TERMPAIR_FLAG & npair.type) + p->flags |= npair.flag; + + if (dochild && node->child) + print_body(p, &npair, meta, node->child); + + if (TERMPAIR_FLAG & npair.type) + p->flags &= ~npair.flag; + + /* Post-processing. */ + + if (MDOC_TEXT != node->type) + if (termacts[node->tok].post) + (*termacts[node->tok].post)(p, &npair, meta, node); + + return(1); +} + + +static int +print_foot(struct termp *p, const struct mdoc_meta *meta) +{ + struct tm *tm; + char *buf, *os; + + if (NULL == (buf = malloc(p->rmargin))) + err(1, "malloc"); + if (NULL == (os = malloc(p->rmargin))) + err(1, "malloc"); + + tm = localtime(&meta->date); + +#ifdef __OpenBSD__ + if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm)) +#else + if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm)) +#endif + err(1, "strftime"); + + (void)strlcpy(os, meta->os, p->rmargin); + + /* + * This is /slightly/ different from regular groff output + * because we don't have page numbers. Print the following: + * + * OS MDOCDATE + */ + + term_vspace(p); + + p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; + p->rmargin = p->maxrmargin - strlen(buf); + p->offset = 0; + + term_word(p, os); + term_flushln(p); + + p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + p->flags &= ~TERMP_NOBREAK; + + term_word(p, buf); + term_flushln(p); + + free(buf); + free(os); + + return(1); +} + + +static int +print_head(struct termp *p, const struct mdoc_meta *meta) +{ + char *buf, *title; + + p->rmargin = p->maxrmargin; + p->offset = 0; + + if (NULL == (buf = malloc(p->rmargin))) + err(1, "malloc"); + if (NULL == (title = malloc(p->rmargin))) + err(1, "malloc"); + + /* + * The header is strange. It has three components, which are + * really two with the first duplicated. It goes like this: + * + * IDENTIFIER TITLE IDENTIFIER + * + * The IDENTIFIER is NAME(SECTION), which is the command-name + * (if given, or "unknown" if not) followed by the manual page + * section. These are given in `Dt'. The TITLE is a free-form + * string depending on the manual volume. If not specified, it + * switches on the manual section. + */ + + assert(meta->vol); + (void)strlcpy(buf, meta->vol, p->rmargin); + + if (meta->arch) { + (void)strlcat(buf, " (", p->rmargin); + (void)strlcat(buf, meta->arch, p->rmargin); + (void)strlcat(buf, ")", p->rmargin); + } + + (void)snprintf(title, p->rmargin, "%s(%d)", + meta->title, meta->msec); + + p->offset = 0; + p->rmargin = (p->maxrmargin - strlen(buf)) / 2; + p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; + + term_word(p, title); + term_flushln(p); + + p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->offset = p->rmargin; + p->rmargin = p->maxrmargin - strlen(title); + + term_word(p, buf); + term_flushln(p); + + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + p->flags &= ~TERMP_NOBREAK; + p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + + term_word(p, title); + term_flushln(p); + + p->rmargin = p->maxrmargin; + p->offset = 0; + p->flags &= ~TERMP_NOSPACE; + + free(title); + free(buf); + + return(1); +} + + +static void +sanity(const struct mdoc_node *n) +{ + char *p; + + p = "regular form violated"; + + switch (n->type) { + case (MDOC_TEXT): + if (n->child) + errx(1, p); + if (NULL == n->parent) + errx(1, p); + if (NULL == n->string) + errx(1, p); + switch (n->parent->type) { + case (MDOC_TEXT): + /* FALLTHROUGH */ + case (MDOC_ROOT): + errx(1, p); + /* NOTREACHED */ + default: + break; + } + break; + case (MDOC_ELEM): + if (NULL == n->parent) + errx(1, p); + switch (n->parent->type) { + case (MDOC_TAIL): + /* FALLTHROUGH */ + case (MDOC_BODY): + /* FALLTHROUGH */ + case (MDOC_HEAD): + break; + default: + errx(1, p); + /* NOTREACHED */ + } + if (n->child) switch (n->child->type) { + case (MDOC_TEXT): + break; + default: + errx(1, p); + /* NOTREACHED */ + } + break; + case (MDOC_HEAD): + /* FALLTHROUGH */ + case (MDOC_BODY): + /* FALLTHROUGH */ + case (MDOC_TAIL): + if (NULL == n->parent) + errx(1, p); + if (MDOC_BLOCK != n->parent->type) + errx(1, p); + if (n->child) switch (n->child->type) { + case (MDOC_BLOCK): + /* FALLTHROUGH */ + case (MDOC_ELEM): + /* FALLTHROUGH */ + case (MDOC_TEXT): + break; + default: + errx(1, p); + /* NOTREACHED */ + } + break; + case (MDOC_BLOCK): + if (NULL == n->parent) + errx(1, p); + if (NULL == n->child) + errx(1, p); + switch (n->parent->type) { + case (MDOC_ROOT): + /* FALLTHROUGH */ + case (MDOC_HEAD): + /* FALLTHROUGH */ + case (MDOC_BODY): + /* FALLTHROUGH */ + case (MDOC_TAIL): + break; + default: + errx(1, p); + /* NOTREACHED */ + } + switch (n->child->type) { + case (MDOC_ROOT): + /* FALLTHROUGH */ + case (MDOC_ELEM): + errx(1, p); + /* NOTREACHED */ + default: + break; + } + break; + case (MDOC_ROOT): + if (n->parent) + errx(1, p); + if (NULL == n->child) + errx(1, p); + switch (n->child->type) { + case (MDOC_BLOCK): + break; + default: + errx(1, p); + /* NOTREACHED */ + } + break; + } +} + + +static size_t +arg_width(const struct mdoc_argv *arg, int pos) +{ + size_t v; + int i, len; + + assert(pos < (int)arg->sz && pos >= 0); + assert(arg->value[pos]); + if (0 == strcmp(arg->value[pos], "indent")) + return(INDENT); + if (0 == strcmp(arg->value[pos], "indent-two")) + return(INDENT * 2); + + if (0 == (len = (int)strlen(arg->value[pos]))) + return(0); + + for (i = 0; i < len - 1; i++) + if ( ! isdigit((u_char)arg->value[pos][i])) + break; + + if (i == len - 1) { + if ('n' == arg->value[pos][len - 1]) { + v = (size_t)atoi(arg->value[pos]); + return(v); + } + + } + return(strlen(arg->value[pos]) + 1); +} + + +static int +arg_listtype(const struct mdoc_node *n) +{ + int i, len; + + assert(MDOC_BLOCK == n->type); + + len = (int)(n->args ? n->args->argc : 0); + + for (i = 0; i < len; i++) + switch (n->args->argv[i].arg) { + case (MDOC_Bullet): + /* FALLTHROUGH */ + case (MDOC_Dash): + /* FALLTHROUGH */ + case (MDOC_Enum): + /* FALLTHROUGH */ + case (MDOC_Hyphen): + /* FALLTHROUGH */ + case (MDOC_Tag): + /* FALLTHROUGH */ + case (MDOC_Inset): + /* FALLTHROUGH */ + case (MDOC_Diag): + /* FALLTHROUGH */ + case (MDOC_Item): + /* FALLTHROUGH */ + case (MDOC_Column): + /* FALLTHROUGH */ + case (MDOC_Ohang): + return(n->args->argv[i].arg); + default: + break; + } + + errx(1, "list type not supported"); + /* NOTREACHED */ +} + + +static size_t +arg_offset(const struct mdoc_argv *arg) +{ + + assert(*arg->value); + if (0 == strcmp(*arg->value, "indent")) + return(INDENT); + if (0 == strcmp(*arg->value, "indent-two")) + return(INDENT * 2); + return(strlen(*arg->value)); +} + + +static int +arg_hasattr(int arg, const struct mdoc_node *n) +{ + + return(-1 != arg_getattr(arg, n)); +} + + +static int +arg_getattr(int v, const struct mdoc_node *n) +{ + int val; + + return(arg_getattrs(&v, &val, 1, n) ? val : -1); +} + + +static int +arg_getattrs(const int *keys, int *vals, + size_t sz, const struct mdoc_node *n) +{ + int i, j, k; + + if (NULL == n->args) + return(0); + + for (k = i = 0; i < (int)n->args->argc; i++) + for (j = 0; j < (int)sz; j++) + if (n->args->argv[i].arg == keys[j]) { + vals[j] = i; + k++; + } + return(k); +} + + +/* ARGSUSED */ +static int +fmt_block_vspace(struct termp *p, + const struct mdoc_node *bl, + const struct mdoc_node *node) +{ + const struct mdoc_node *n; + + term_newln(p); + + if (arg_hasattr(MDOC_Compact, bl)) + return(1); + + for (n = node; n; n = n->parent) { + if (MDOC_BLOCK != n->type) + continue; + if (MDOC_Ss == n->tok) + break; + if (MDOC_Sh == n->tok) + break; + if (NULL == n->prev) + continue; + term_vspace(p); + break; + } + + return(1); +} + + +/* ARGSUSED */ +static int +termp_dq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + + term_word(p, "\\(lq"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_dq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + + p->flags |= TERMP_NOSPACE; + term_word(p, "\\(rq"); +} + + +/* ARGSUSED */ +static int +termp_it_pre(DECL_ARGS) +{ + const struct mdoc_node *bl, *n; + char buf[7]; + int i, type, keys[3], vals[3]; + size_t width, offset; + + if (MDOC_BLOCK == node->type) + return(fmt_block_vspace(p, node->parent->parent, node)); + + bl = node->parent->parent->parent; + + /* Save parent attributes. */ + + pair->offset = p->offset; + pair->rmargin = p->rmargin; + pair->flag = p->flags; + + /* Get list width and offset. */ + + keys[0] = MDOC_Width; + keys[1] = MDOC_Offset; + keys[2] = MDOC_Column; + + vals[0] = vals[1] = vals[2] = -1; + + width = offset = 0; + + (void)arg_getattrs(keys, vals, 3, bl); + + type = arg_listtype(bl); + + /* Calculate real width and offset. */ + + switch (type) { + case (MDOC_Column): + if (MDOC_BODY == node->type) + break; + for (i = 0, n = node->prev; n; n = n->prev, i++) + offset += arg_width + (&bl->args->argv[vals[2]], i); + assert(i < (int)bl->args->argv[vals[2]].sz); + width = arg_width(&bl->args->argv[vals[2]], i); + if (vals[1] >= 0) + offset += arg_offset(&bl->args->argv[vals[1]]); + break; + default: + if (vals[0] >= 0) + width = arg_width(&bl->args->argv[vals[0]], 0); + if (vals[1] >= 0) + offset = arg_offset(&bl->args->argv[vals[1]]); + break; + } + + /* + * List-type can override the width in the case of fixed-head + * values (bullet, dash/hyphen, enum). Tags need a non-zero + * offset. + */ + + switch (type) { + case (MDOC_Bullet): + /* FALLTHROUGH */ + case (MDOC_Dash): + /* FALLTHROUGH */ + case (MDOC_Enum): + /* FALLTHROUGH */ + case (MDOC_Hyphen): + if (width < 4) + width = 4; + break; + case (MDOC_Tag): + if (0 == width) + width = 10; + break; + default: + break; + } + + /* + * Whitespace control. Inset bodies need an initial space. + */ + + switch (type) { + case (MDOC_Diag): + /* FALLTHROUGH */ + case (MDOC_Inset): + if (MDOC_BODY == node->type) + p->flags &= ~TERMP_NOSPACE; + else + p->flags |= TERMP_NOSPACE; + break; + default: + p->flags |= TERMP_NOSPACE; + break; + } + + /* + * Style flags. Diagnostic heads need TTYPE_DIAG. + */ + + switch (type) { + case (MDOC_Diag): + if (MDOC_HEAD == node->type) + p->flags |= ttypes[TTYPE_DIAG]; + break; + default: + break; + } + + /* + * Pad and break control. This is the tricker part. Lists with + * set right-margins for the head get TERMP_NOBREAK because, if + * they overrun the margin, they wrap to the new margin. + * Correspondingly, the body for these types don't left-pad, as + * the head will pad out to to the right. + */ + + switch (type) { + case (MDOC_Bullet): + /* FALLTHROUGH */ + case (MDOC_Dash): + /* FALLTHROUGH */ + case (MDOC_Enum): + /* FALLTHROUGH */ + case (MDOC_Hyphen): + /* FALLTHROUGH */ + case (MDOC_Tag): + if (MDOC_HEAD == node->type) + p->flags |= TERMP_NOBREAK; + else + p->flags |= TERMP_NOLPAD; + if (MDOC_HEAD == node->type && MDOC_Tag == type) + if (NULL == node->next || + NULL == node->next->child) + p->flags |= TERMP_NONOBREAK; + break; + case (MDOC_Column): + if (MDOC_HEAD == node->type) { + assert(node->next); + if (MDOC_BODY == node->next->type) + p->flags &= ~TERMP_NOBREAK; + else + p->flags |= TERMP_NOBREAK; + if (node->prev) + p->flags |= TERMP_NOLPAD; + } + break; + case (MDOC_Diag): + if (MDOC_HEAD == node->type) + p->flags |= TERMP_NOBREAK; + break; + default: + break; + } + + /* + * Margin control. Set-head-width lists have their right + * margins shortened. The body for these lists has the offset + * necessarily lengthened. Everybody gets the offset. + */ + + p->offset += offset; + + switch (type) { + case (MDOC_Bullet): + /* FALLTHROUGH */ + case (MDOC_Dash): + /* FALLTHROUGH */ + case (MDOC_Enum): + /* FALLTHROUGH */ + case (MDOC_Hyphen): + /* FALLTHROUGH */ + case (MDOC_Tag): + if (MDOC_HEAD == node->type) + p->rmargin = p->offset + width; + else + p->offset += width; + break; + case (MDOC_Column): + p->rmargin = p->offset + width; + break; + default: + break; + } + + /* + * The dash, hyphen, bullet and enum lists all have a special + * HEAD character. Print it now. + */ + + if (MDOC_HEAD == node->type) + switch (type) { + case (MDOC_Bullet): + term_word(p, "\\[bu]"); + break; + case (MDOC_Dash): + /* FALLTHROUGH */ + case (MDOC_Hyphen): + term_word(p, "\\-"); + break; + case (MDOC_Enum): + (pair->ppair->ppair->count)++; + (void)snprintf(buf, sizeof(buf), "%d.", + pair->ppair->ppair->count); + term_word(p, buf); + break; + default: + break; + } + + /* + * If we're not going to process our children, indicate so here. + */ + + switch (type) { + case (MDOC_Bullet): + /* FALLTHROUGH */ + case (MDOC_Item): + /* FALLTHROUGH */ + case (MDOC_Dash): + /* FALLTHROUGH */ + case (MDOC_Hyphen): + /* FALLTHROUGH */ + case (MDOC_Enum): + if (MDOC_HEAD == node->type) + return(0); + break; + case (MDOC_Column): + if (MDOC_BODY == node->type) + return(0); + break; + default: + break; + } + + return(1); +} + + +/* ARGSUSED */ +static void +termp_it_post(DECL_ARGS) +{ + int type; + + if (MDOC_BODY != node->type && MDOC_HEAD != node->type) + return; + + type = arg_listtype(node->parent->parent->parent); + + switch (type) { + case (MDOC_Diag): + /* FALLTHROUGH */ + case (MDOC_Item): + /* FALLTHROUGH */ + case (MDOC_Inset): + if (MDOC_BODY == node->type) + term_flushln(p); + break; + case (MDOC_Column): + if (MDOC_HEAD == node->type) + term_flushln(p); + break; + default: + term_flushln(p); + break; + } + + p->offset = pair->offset; + p->rmargin = pair->rmargin; + p->flags = pair->flag; +} + + +/* ARGSUSED */ +static int +termp_nm_pre(DECL_ARGS) +{ + + if (SEC_SYNOPSIS == node->sec) + term_newln(p); + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]); + if (NULL == node->child) + term_word(p, meta->name); + + return(1); +} + + +/* ARGSUSED */ +static int +termp_fl_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); + term_word(p, "\\-"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static int +termp_ar_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_ns_pre(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static int +termp_pp_pre(DECL_ARGS) +{ + + term_vspace(p); + return(1); +} + + +/* ARGSUSED */ +static int +termp_st_pre(DECL_ARGS) +{ + const char *cp; + + if (node->child && (cp = mdoc_a2st(node->child->string))) + term_word(p, cp); + return(0); +} + + +/* ARGSUSED */ +static int +termp_rs_pre(DECL_ARGS) +{ + + if (MDOC_BLOCK == node->type && node->prev) + term_vspace(p); + return(1); +} + + +/* ARGSUSED */ +static int +termp_rv_pre(DECL_ARGS) +{ + int i; + + if (-1 == (i = arg_getattr(MDOC_Std, node))) + errx(1, "expected -std argument"); + if (1 != node->args->argv[i].sz) + errx(1, "expected -std argument"); + + term_newln(p); + term_word(p, "The"); + + p->flags |= ttypes[TTYPE_FUNC_NAME]; + term_word(p, *node->args->argv[i].value); + p->flags &= ~ttypes[TTYPE_FUNC_NAME]; + p->flags |= TERMP_NOSPACE; + + term_word(p, "() function returns the value 0 if successful;"); + term_word(p, "otherwise the value -1 is returned and the"); + term_word(p, "global variable"); + + p->flags |= ttypes[TTYPE_VAR_DECL]; + term_word(p, "errno"); + p->flags &= ~ttypes[TTYPE_VAR_DECL]; + + term_word(p, "is set to indicate the error."); + + return(1); +} + + +/* ARGSUSED */ +static int +termp_ex_pre(DECL_ARGS) +{ + int i; + + if (-1 == (i = arg_getattr(MDOC_Std, node))) + errx(1, "expected -std argument"); + if (1 != node->args->argv[i].sz) + errx(1, "expected -std argument"); + + term_word(p, "The"); + p->flags |= ttypes[TTYPE_PROG]; + term_word(p, *node->args->argv[i].value); + p->flags &= ~ttypes[TTYPE_PROG]; + term_word(p, "utility exits 0 on success, and >0 if an error occurs."); + + return(1); +} + + +/* ARGSUSED */ +static int +termp_nd_pre(DECL_ARGS) +{ + + term_word(p, "\\-"); + return(1); +} + + +/* ARGSUSED */ +static void +termp_bl_post(DECL_ARGS) +{ + + if (MDOC_BLOCK == node->type) + term_newln(p); +} + + +/* ARGSUSED */ +static void +termp_op_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + term_word(p, "\\(rB"); +} + + +/* ARGSUSED */ +static int +termp_xr_pre(DECL_ARGS) +{ + const struct mdoc_node *n; + + if (NULL == (n = node->child)) + errx(1, "expected text line argument"); + term_word(p, n->string); + if (NULL == (n = n->next)) + return(0); + p->flags |= TERMP_NOSPACE; + term_word(p, "("); + p->flags |= TERMP_NOSPACE; + term_word(p, n->string); + p->flags |= TERMP_NOSPACE; + term_word(p, ")"); + return(0); +} + + +/* ARGSUSED */ +static int +termp_vt_pre(DECL_ARGS) +{ + + /* FIXME: this can be "type name". */ + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); + return(1); +} + + +/* ARGSUSED */ +static void +termp_vt_post(DECL_ARGS) +{ + + if (node->sec == SEC_SYNOPSIS) + term_vspace(p); +} + + +/* ARGSUSED */ +static int +termp_fd_pre(DECL_ARGS) +{ + + /* + * FIXME: this naming is bad. This value is used, in general, + * for the #include header or other preprocessor statement. + */ + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]); + return(1); +} + + +/* ARGSUSED */ +static void +termp_fd_post(DECL_ARGS) +{ + + if (node->sec != SEC_SYNOPSIS) + return; + term_newln(p); + if (node->next && MDOC_Fd != node->next->tok) + term_vspace(p); +} + + +/* ARGSUSED */ +static int +termp_sh_pre(DECL_ARGS) +{ + + switch (node->type) { + case (MDOC_HEAD): + term_vspace(p); + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]); + break; + case (MDOC_BODY): + p->offset = INDENT; + break; + default: + break; + } + return(1); +} + + +/* ARGSUSED */ +static void +termp_sh_post(DECL_ARGS) +{ + + switch (node->type) { + case (MDOC_HEAD): + term_newln(p); + break; + case (MDOC_BODY): + term_newln(p); + p->offset = 0; + break; + default: + break; + } +} + + +/* ARGSUSED */ +static int +termp_op_pre(DECL_ARGS) +{ + + switch (node->type) { + case (MDOC_BODY): + term_word(p, "\\(lB"); + p->flags |= TERMP_NOSPACE; + break; + default: + break; + } + return(1); +} + + +/* ARGSUSED */ +static int +termp_bt_pre(DECL_ARGS) +{ + + term_word(p, "is currently in beta test."); + return(1); +} + + +/* ARGSUSED */ +static int +termp_lb_pre(DECL_ARGS) +{ + const char *lb; + + if (NULL == node->child) + errx(1, "expected text line argument"); + if ((lb = mdoc_a2lib(node->child->string))) { + term_word(p, lb); + return(0); + } + term_word(p, "library"); + return(1); +} + + +/* ARGSUSED */ +static void +termp_lb_post(DECL_ARGS) +{ + + term_newln(p); +} + + +/* ARGSUSED */ +static int +termp_ud_pre(DECL_ARGS) +{ + + term_word(p, "currently under development."); + return(1); +} + + +/* ARGSUSED */ +static int +termp_d1_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + term_newln(p); + p->offset += (pair->offset = INDENT); + return(1); +} + + +/* ARGSUSED */ +static void +termp_d1_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + term_newln(p); + p->offset -= pair->offset; +} + + +/* ARGSUSED */ +static int +termp_aq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + term_word(p, "\\(la"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_aq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + term_word(p, "\\(ra"); +} + + +/* ARGSUSED */ +static int +termp_ft_pre(DECL_ARGS) +{ + + if (SEC_SYNOPSIS == node->sec) + if (node->prev && MDOC_Fo == node->prev->tok) + term_vspace(p); + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); + return(1); +} + + +/* ARGSUSED */ +static void +termp_ft_post(DECL_ARGS) +{ + + if (SEC_SYNOPSIS == node->sec) + term_newln(p); +} + + +/* ARGSUSED */ +static int +termp_fn_pre(DECL_ARGS) +{ + const struct mdoc_node *n; + + if (NULL == node->child) + errx(1, "expected text line arguments"); + + /* FIXME: can be "type funcname" "type varname"... */ + + p->flags |= ttypes[TTYPE_FUNC_NAME]; + term_word(p, node->child->string); + p->flags &= ~ttypes[TTYPE_FUNC_NAME]; + + p->flags |= TERMP_NOSPACE; + term_word(p, "("); + + for (n = node->child->next; n; n = n->next) { + p->flags |= ttypes[TTYPE_FUNC_ARG]; + term_word(p, n->string); + p->flags &= ~ttypes[TTYPE_FUNC_ARG]; + if (n->next) + term_word(p, ","); + } + + term_word(p, ")"); + + if (SEC_SYNOPSIS == node->sec) + term_word(p, ";"); + + return(0); +} + + +/* ARGSUSED */ +static void +termp_fn_post(DECL_ARGS) +{ + + if (node->sec == SEC_SYNOPSIS && node->next) + term_vspace(p); + +} + + +/* ARGSUSED */ +static int +termp_sx_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_fa_pre(DECL_ARGS) +{ + struct mdoc_node *n; + + if (node->parent->tok != MDOC_Fo) { + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]); + return(1); + } + + for (n = node->child; n; n = n->next) { + p->flags |= ttypes[TTYPE_FUNC_ARG]; + term_word(p, n->string); + p->flags &= ~ttypes[TTYPE_FUNC_ARG]; + if (n->next) + term_word(p, ","); + } + + if (node->child && node->next && node->next->tok == MDOC_Fa) + term_word(p, ","); + + return(0); +} + + +/* ARGSUSED */ +static int +termp_va_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_bd_pre(DECL_ARGS) +{ + int i, type, ln; + + /* + * This is fairly tricky due primarily to crappy documentation. + * If -ragged or -filled are specified, the block does nothing + * but change the indentation. + * + * If, on the other hand, -unfilled or -literal are specified, + * then the game changes. Text is printed exactly as entered in + * the display: if a macro line, a newline is appended to the + * line. Blank lines are allowed. + */ + + if (MDOC_BLOCK == node->type) + return(fmt_block_vspace(p, node, node)); + else if (MDOC_BODY != node->type) + return(1); + + if (NULL == node->parent->args) + errx(1, "missing display type"); + + pair->offset = p->offset; + + for (type = -1, i = 0; + i < (int)node->parent->args->argc; i++) { + switch (node->parent->args->argv[i].arg) { + case (MDOC_Ragged): + /* FALLTHROUGH */ + case (MDOC_Filled): + /* FALLTHROUGH */ + case (MDOC_Unfilled): + /* FALLTHROUGH */ + case (MDOC_Literal): + type = node->parent->args->argv[i].arg; + i = (int)node->parent->args->argc; + break; + default: + break; + } + } + + if (NULL == node->parent->args) + errx(1, "missing display type"); + + i = arg_getattr(MDOC_Offset, node->parent); + if (-1 != i) { + if (1 != node->parent->args->argv[i].sz) + errx(1, "expected single value"); + p->offset += arg_offset(&node->parent->args->argv[i]); + } + + switch (type) { + case (MDOC_Literal): + /* FALLTHROUGH */ + case (MDOC_Unfilled): + break; + default: + return(1); + } + + /* + * Tricky. Iterate through all children. If we're on a + * different parse line, append a newline and then the contents. + * Ew. + */ + + p->flags |= TERMP_LITERAL; + ln = node->child ? node->child->line : 0; + + for (node = node->child; node; node = node->next) { + if (ln < node->line) { + term_flushln(p); + p->flags |= TERMP_NOSPACE; + } + ln = node->line; + print_node(p, pair, meta, node); + } + + return(0); +} + + +/* ARGSUSED */ +static void +termp_bd_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + + term_flushln(p); + p->flags &= ~TERMP_LITERAL; + p->offset = pair->offset; + p->flags |= TERMP_NOSPACE; +} + + +/* ARGSUSED */ +static int +termp_qq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + term_word(p, "\""); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_qq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + term_word(p, "\""); +} + + +/* ARGSUSED */ +static int +termp_bsx_pre(DECL_ARGS) +{ + + term_word(p, "BSDI BSD/OS"); + return(1); +} + + +/* ARGSUSED */ +static void +termp_bx_post(DECL_ARGS) +{ + + if (node->child) + p->flags |= TERMP_NOSPACE; + term_word(p, "BSD"); +} + + +/* ARGSUSED */ +static int +termp_ox_pre(DECL_ARGS) +{ + + term_word(p, "OpenBSD"); + return(1); +} + + +/* ARGSUSED */ +static int +termp_dx_pre(DECL_ARGS) +{ + + term_word(p, "DragonFly"); + return(1); +} + + +/* ARGSUSED */ +static int +termp_ux_pre(DECL_ARGS) +{ + + term_word(p, "UNIX"); + return(1); +} + + +/* ARGSUSED */ +static int +termp_fx_pre(DECL_ARGS) +{ + + term_word(p, "FreeBSD"); + return(1); +} + + +/* ARGSUSED */ +static int +termp_nx_pre(DECL_ARGS) +{ + + term_word(p, "NetBSD"); + return(1); +} + + +/* ARGSUSED */ +static int +termp_sq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + term_word(p, "\\(oq"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_sq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + term_word(p, "\\(aq"); +} + + +/* ARGSUSED */ +static int +termp_pf_pre(DECL_ARGS) +{ + + p->flags |= TERMP_IGNDELIM; + return(1); +} + + +/* ARGSUSED */ +static void +termp_pf_post(DECL_ARGS) +{ + + p->flags &= ~TERMP_IGNDELIM; + p->flags |= TERMP_NOSPACE; +} + + +/* ARGSUSED */ +static int +termp_ss_pre(DECL_ARGS) +{ + + switch (node->type) { + case (MDOC_BLOCK): + term_newln(p); + if (node->prev) + term_vspace(p); + break; + case (MDOC_HEAD): + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]); + p->offset = INDENT / 2; + break; + default: + break; + } + + return(1); +} + + +/* ARGSUSED */ +static void +termp_ss_post(DECL_ARGS) +{ + + switch (node->type) { + case (MDOC_HEAD): + term_newln(p); + p->offset = INDENT; + break; + default: + break; + } +} + + +/* ARGSUSED */ +static int +termp_pa_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_em_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_cd_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); + term_newln(p); + return(1); +} + + +/* ARGSUSED */ +static int +termp_cm_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_ic_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_in_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]); + term_word(p, "#include"); + term_word(p, "<"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_in_post(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + term_word(p, ">"); + + term_newln(p); + if (SEC_SYNOPSIS != node->sec) + return; + if (node->next && MDOC_In != node->next->tok) + term_vspace(p); +} + + +/* ARGSUSED */ +static int +termp_at_pre(DECL_ARGS) +{ + const char *att; + + att = NULL; + + if (node->child) + att = mdoc_a2att(node->child->string); + if (NULL == att) + att = "AT&T UNIX"; + + term_word(p, att); + return(0); +} + + +/* ARGSUSED */ +static int +termp_brq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + term_word(p, "\\(lC"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_brq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + term_word(p, "\\(rC"); +} + + +/* ARGSUSED */ +static int +termp_bq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + term_word(p, "\\(lB"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_bq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + term_word(p, "\\(rB"); +} + + +/* ARGSUSED */ +static int +termp_pq_pre(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return(1); + term_word(p, "\\&("); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp_pq_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + term_word(p, ")"); +} + + +/* ARGSUSED */ +static int +termp_fo_pre(DECL_ARGS) +{ + const struct mdoc_node *n; + + if (MDOC_BODY == node->type) { + term_word(p, "("); + p->flags |= TERMP_NOSPACE; + return(1); + } else if (MDOC_HEAD != node->type) + return(1); + + /* XXX - groff shows only first parameter */ + + p->flags |= ttypes[TTYPE_FUNC_NAME]; + for (n = node->child; n; n = n->next) { + if (MDOC_TEXT != n->type) + errx(1, "expected text line argument"); + term_word(p, n->string); + } + p->flags &= ~ttypes[TTYPE_FUNC_NAME]; + + return(0); +} + + +/* ARGSUSED */ +static void +termp_fo_post(DECL_ARGS) +{ + + if (MDOC_BODY != node->type) + return; + p->flags |= TERMP_NOSPACE; + term_word(p, ")"); + p->flags |= TERMP_NOSPACE; + term_word(p, ";"); + term_newln(p); +} + + +/* ARGSUSED */ +static int +termp_bf_pre(DECL_ARGS) +{ + const struct mdoc_node *n; + + if (MDOC_HEAD == node->type) { + return(0); + } else if (MDOC_BLOCK != node->type) + return(1); + + if (NULL == (n = node->head->child)) { + if (arg_hasattr(MDOC_Emphasis, node)) + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); + else if (arg_hasattr(MDOC_Symbolic, node)) + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); + + return(1); + } + + if (MDOC_TEXT != n->type) + errx(1, "expected text line arguments"); + + if (0 == strcmp("Em", n->string)) + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); + else if (0 == strcmp("Sy", n->string)) + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); + + return(1); +} + + +/* ARGSUSED */ +static int +termp_sy_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); + return(1); +} + + +/* ARGSUSED */ +static int +termp_ms_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]); + return(1); +} + + + +/* ARGSUSED */ +static int +termp_sm_pre(DECL_ARGS) +{ + + if (NULL == node->child || MDOC_TEXT != node->child->type) + errx(1, "expected boolean line argument"); + + if (0 == strcmp("on", node->child->string)) { + p->flags &= ~TERMP_NONOSPACE; + p->flags &= ~TERMP_NOSPACE; + } else + p->flags |= TERMP_NONOSPACE; + + return(0); +} + + +/* ARGSUSED */ +static int +termp_ap_pre(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + term_word(p, "\\(aq"); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static int +termp__j_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]); + return(1); +} + + +/* ARGSUSED */ +static int +termp__t_pre(DECL_ARGS) +{ + + term_word(p, "\""); + p->flags |= TERMP_NOSPACE; + return(1); +} + + +/* ARGSUSED */ +static void +termp__t_post(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + term_word(p, "\""); + termp____post(p, pair, meta, node); +} + + +/* ARGSUSED */ +static void +termp____post(DECL_ARGS) +{ + + p->flags |= TERMP_NOSPACE; + term_word(p, node->next ? "," : "."); +} + + +/* ARGSUSED */ +static int +termp_lk_pre(DECL_ARGS) +{ + const struct mdoc_node *n; + + if (NULL == (n = node->child)) + errx(1, "expected line argument"); + + p->flags |= ttypes[TTYPE_LINK_ANCHOR]; + term_word(p, n->string); + p->flags &= ~ttypes[TTYPE_LINK_ANCHOR]; + p->flags |= TERMP_NOSPACE; + term_word(p, ":"); + + p->flags |= ttypes[TTYPE_LINK_TEXT]; + for ( ; n; n = n->next) { + term_word(p, n->string); + } + p->flags &= ~ttypes[TTYPE_LINK_TEXT]; + + return(0); +} + + +/* ARGSUSED */ +static int +termp_mt_pre(DECL_ARGS) +{ + + TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]); + return(1); +} + + diff --git a/term.c b/term.c deleted file mode 100644 index 76cc437b..00000000 --- a/term.c +++ /dev/null @@ -1,1926 +0,0 @@ -/* $Id: term.c,v 1.69 2009/03/23 09:42:43 kristaps Exp $ */ -/* - * Copyright (c) 2008, 2009 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 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. - */ -#include - -#include -#include -#include -#include -#include -#include - -#include "term.h" - -/* - * Performs actions on nodes of the abstract syntax tree. Both pre- and - * post-fix operations are defined here. - */ - -/* FIXME: macro arguments can be escaped. */ - -#define TTYPE_PROG 0 -#define TTYPE_CMD_FLAG 1 -#define TTYPE_CMD_ARG 2 -#define TTYPE_SECTION 3 -#define TTYPE_FUNC_DECL 4 -#define TTYPE_VAR_DECL 5 -#define TTYPE_FUNC_TYPE 6 -#define TTYPE_FUNC_NAME 7 -#define TTYPE_FUNC_ARG 8 -#define TTYPE_LINK 9 -#define TTYPE_SSECTION 10 -#define TTYPE_FILE 11 -#define TTYPE_EMPH 12 -#define TTYPE_CONFIG 13 -#define TTYPE_CMD 14 -#define TTYPE_INCLUDE 15 -#define TTYPE_SYMB 16 -#define TTYPE_SYMBOL 17 -#define TTYPE_DIAG 18 -#define TTYPE_LINK_ANCHOR 19 -#define TTYPE_LINK_TEXT 20 -#define TTYPE_REF_JOURNAL 21 -#define TTYPE_LIST 22 -#define TTYPE_NMAX 23 - -/* - * These define "styles" for element types, like command arguments or - * executable names. This is useful when multiple macros must decorate - * the same thing (like .Ex -std cmd and .Nm cmd). - */ - -/* TODO: abstract this into mdocterm.c. */ - -const int ttypes[TTYPE_NMAX] = { - TERMP_BOLD, /* TTYPE_PROG */ - TERMP_BOLD, /* TTYPE_CMD_FLAG */ - TERMP_UNDER, /* TTYPE_CMD_ARG */ - TERMP_BOLD, /* TTYPE_SECTION */ - TERMP_BOLD, /* TTYPE_FUNC_DECL */ - TERMP_UNDER, /* TTYPE_VAR_DECL */ - TERMP_UNDER, /* TTYPE_FUNC_TYPE */ - TERMP_BOLD, /* TTYPE_FUNC_NAME */ - TERMP_UNDER, /* TTYPE_FUNC_ARG */ - TERMP_UNDER, /* TTYPE_LINK */ - TERMP_BOLD, /* TTYPE_SSECTION */ - TERMP_UNDER, /* TTYPE_FILE */ - TERMP_UNDER, /* TTYPE_EMPH */ - TERMP_BOLD, /* TTYPE_CONFIG */ - TERMP_BOLD, /* TTYPE_CMD */ - TERMP_BOLD, /* TTYPE_INCLUDE */ - TERMP_BOLD, /* TTYPE_SYMB */ - TERMP_BOLD, /* TTYPE_SYMBOL */ - TERMP_BOLD, /* TTYPE_DIAG */ - TERMP_UNDER, /* TTYPE_LINK_ANCHOR */ - TERMP_BOLD, /* TTYPE_LINK_TEXT */ - TERMP_UNDER, /* TTYPE_REF_JOURNAL */ - TERMP_BOLD /* TTYPE_LIST */ -}; - -static int arg_hasattr(int, const struct mdoc_node *); -static int arg_getattrs(const int *, int *, size_t, - const struct mdoc_node *); -static int arg_getattr(int, const struct mdoc_node *); -static size_t arg_offset(const struct mdoc_argv *); -static size_t arg_width(const struct mdoc_argv *, int); -static int arg_listtype(const struct mdoc_node *); -static int fmt_block_vspace(struct termp *, - const struct mdoc_node *, - const struct mdoc_node *); - -/* - * What follows describes prefix and postfix operations for the abstract - * syntax tree descent. - */ - -#define DECL_ARGS \ - struct termp *p, \ - struct termpair *pair, \ - const struct mdoc_meta *meta, \ - const struct mdoc_node *node - -#define DECL_PRE(name) \ -static int name##_pre(DECL_ARGS) -#define DECL_POST(name) \ -static void name##_post(DECL_ARGS) -#define DECL_PREPOST(name) \ -DECL_PRE(name); \ -DECL_POST(name); - -DECL_PREPOST(termp__t); -DECL_PREPOST(termp_aq); -DECL_PREPOST(termp_bd); -DECL_PREPOST(termp_bq); -DECL_PREPOST(termp_brq); -DECL_PREPOST(termp_d1); -DECL_PREPOST(termp_dq); -DECL_PREPOST(termp_fd); -DECL_PREPOST(termp_fn); -DECL_PREPOST(termp_fo); -DECL_PREPOST(termp_ft); -DECL_PREPOST(termp_in); -DECL_PREPOST(termp_it); -DECL_PREPOST(termp_lb); -DECL_PREPOST(termp_op); -DECL_PREPOST(termp_pf); -DECL_PREPOST(termp_pq); -DECL_PREPOST(termp_qq); -DECL_PREPOST(termp_sh); -DECL_PREPOST(termp_ss); -DECL_PREPOST(termp_sq); -DECL_PREPOST(termp_vt); - -DECL_PRE(termp__j); -DECL_PRE(termp_ap); -DECL_PRE(termp_ar); -DECL_PRE(termp_at); -DECL_PRE(termp_bf); -DECL_PRE(termp_bsx); -DECL_PRE(termp_bt); -DECL_PRE(termp_cd); -DECL_PRE(termp_cm); -DECL_PRE(termp_dx); -DECL_PRE(termp_em); -DECL_PRE(termp_ex); -DECL_PRE(termp_fa); -DECL_PRE(termp_fl); -DECL_PRE(termp_fx); -DECL_PRE(termp_ic); -DECL_PRE(termp_lk); -DECL_PRE(termp_ms); -DECL_PRE(termp_mt); -DECL_PRE(termp_nd); -DECL_PRE(termp_nm); -DECL_PRE(termp_ns); -DECL_PRE(termp_nx); -DECL_PRE(termp_ox); -DECL_PRE(termp_pa); -DECL_PRE(termp_pp); -DECL_PRE(termp_rs); -DECL_PRE(termp_rv); -DECL_PRE(termp_sm); -DECL_PRE(termp_st); -DECL_PRE(termp_sx); -DECL_PRE(termp_sy); -DECL_PRE(termp_ud); -DECL_PRE(termp_ux); -DECL_PRE(termp_va); -DECL_PRE(termp_xr); - -DECL_POST(termp___); -DECL_POST(termp_bl); -DECL_POST(termp_bx); - -const struct termact __termacts[MDOC_MAX] = { - { NULL, NULL }, /* \" */ - { NULL, NULL }, /* Dd */ - { NULL, NULL }, /* Dt */ - { NULL, NULL }, /* Os */ - { termp_sh_pre, termp_sh_post }, /* Sh */ - { termp_ss_pre, termp_ss_post }, /* Ss */ - { termp_pp_pre, NULL }, /* Pp */ - { termp_d1_pre, termp_d1_post }, /* D1 */ - { termp_d1_pre, termp_d1_post }, /* Dl */ - { termp_bd_pre, termp_bd_post }, /* Bd */ - { NULL, NULL }, /* Ed */ - { NULL, termp_bl_post }, /* Bl */ - { NULL, NULL }, /* El */ - { termp_it_pre, termp_it_post }, /* It */ - { NULL, NULL }, /* Ad */ - { NULL, NULL }, /* An */ - { termp_ar_pre, NULL }, /* Ar */ - { termp_cd_pre, NULL }, /* Cd */ - { termp_cm_pre, NULL }, /* Cm */ - { NULL, NULL }, /* Dv */ - { NULL, NULL }, /* Er */ - { NULL, NULL }, /* Ev */ - { termp_ex_pre, NULL }, /* Ex */ - { termp_fa_pre, NULL }, /* Fa */ - { termp_fd_pre, termp_fd_post }, /* Fd */ - { termp_fl_pre, NULL }, /* Fl */ - { termp_fn_pre, termp_fn_post }, /* Fn */ - { termp_ft_pre, termp_ft_post }, /* Ft */ - { termp_ic_pre, NULL }, /* Ic */ - { termp_in_pre, termp_in_post }, /* In */ - { NULL, NULL }, /* Li */ - { termp_nd_pre, NULL }, /* Nd */ - { termp_nm_pre, NULL }, /* Nm */ - { termp_op_pre, termp_op_post }, /* Op */ - { NULL, NULL }, /* Ot */ - { termp_pa_pre, NULL }, /* Pa */ - { termp_rv_pre, NULL }, /* Rv */ - { termp_st_pre, NULL }, /* St */ - { termp_va_pre, NULL }, /* Va */ - { termp_vt_pre, termp_vt_post }, /* Vt */ - { termp_xr_pre, NULL }, /* Xr */ - { NULL, termp____post }, /* %A */ - { NULL, termp____post }, /* %B */ - { NULL, termp____post }, /* %D */ - { NULL, termp____post }, /* %I */ - { termp__j_pre, termp____post }, /* %J */ - { NULL, termp____post }, /* %N */ - { NULL, termp____post }, /* %O */ - { NULL, termp____post }, /* %P */ - { NULL, termp____post }, /* %R */ - { termp__t_pre, termp__t_post }, /* %T */ - { NULL, termp____post }, /* %V */ - { NULL, NULL }, /* Ac */ - { termp_aq_pre, termp_aq_post }, /* Ao */ - { termp_aq_pre, termp_aq_post }, /* Aq */ - { termp_at_pre, NULL }, /* At */ - { NULL, NULL }, /* Bc */ - { termp_bf_pre, NULL }, /* Bf */ - { termp_bq_pre, termp_bq_post }, /* Bo */ - { termp_bq_pre, termp_bq_post }, /* Bq */ - { termp_bsx_pre, NULL }, /* Bsx */ - { NULL, termp_bx_post }, /* Bx */ - { NULL, NULL }, /* Db */ - { NULL, NULL }, /* Dc */ - { termp_dq_pre, termp_dq_post }, /* Do */ - { termp_dq_pre, termp_dq_post }, /* Dq */ - { NULL, NULL }, /* Ec */ - { NULL, NULL }, /* Ef */ - { termp_em_pre, NULL }, /* Em */ - { NULL, NULL }, /* Eo */ - { termp_fx_pre, NULL }, /* Fx */ - { termp_ms_pre, NULL }, /* Ms */ - { NULL, NULL }, /* No */ - { termp_ns_pre, NULL }, /* Ns */ - { termp_nx_pre, NULL }, /* Nx */ - { termp_ox_pre, NULL }, /* Ox */ - { NULL, NULL }, /* Pc */ - { termp_pf_pre, termp_pf_post }, /* Pf */ - { termp_pq_pre, termp_pq_post }, /* Po */ - { termp_pq_pre, termp_pq_post }, /* Pq */ - { NULL, NULL }, /* Qc */ - { termp_sq_pre, termp_sq_post }, /* Ql */ - { termp_qq_pre, termp_qq_post }, /* Qo */ - { termp_qq_pre, termp_qq_post }, /* Qq */ - { NULL, NULL }, /* Re */ - { termp_rs_pre, NULL }, /* Rs */ - { NULL, NULL }, /* Sc */ - { termp_sq_pre, termp_sq_post }, /* So */ - { termp_sq_pre, termp_sq_post }, /* Sq */ - { termp_sm_pre, NULL }, /* Sm */ - { termp_sx_pre, NULL }, /* Sx */ - { termp_sy_pre, NULL }, /* Sy */ - { NULL, NULL }, /* Tn */ - { termp_ux_pre, NULL }, /* Ux */ - { NULL, NULL }, /* Xc */ - { NULL, NULL }, /* Xo */ - { termp_fo_pre, termp_fo_post }, /* Fo */ - { NULL, NULL }, /* Fc */ - { termp_op_pre, termp_op_post }, /* Oo */ - { NULL, NULL }, /* Oc */ - { NULL, NULL }, /* Bk */ - { NULL, NULL }, /* Ek */ - { termp_bt_pre, NULL }, /* Bt */ - { NULL, NULL }, /* Hf */ - { NULL, NULL }, /* Fr */ - { termp_ud_pre, NULL }, /* Ud */ - { termp_lb_pre, termp_lb_post }, /* Lb */ - { termp_ap_pre, NULL }, /* Lb */ - { termp_pp_pre, NULL }, /* Pp */ - { termp_lk_pre, NULL }, /* Lk */ - { termp_mt_pre, NULL }, /* Mt */ - { termp_brq_pre, termp_brq_post }, /* Brq */ - { termp_brq_pre, termp_brq_post }, /* Bro */ - { NULL, NULL }, /* Brc */ - { NULL, NULL }, /* %C */ - { NULL, NULL }, /* Es */ - { NULL, NULL }, /* En */ - { termp_dx_pre, NULL }, /* Dx */ - { NULL, NULL }, /* %Q */ -}; - -const struct termact *termacts = __termacts; - - -static size_t -arg_width(const struct mdoc_argv *arg, int pos) -{ - size_t v; - int i, len; - - assert(pos < (int)arg->sz && pos >= 0); - assert(arg->value[pos]); - if (0 == strcmp(arg->value[pos], "indent")) - return(INDENT); - if (0 == strcmp(arg->value[pos], "indent-two")) - return(INDENT * 2); - - if (0 == (len = (int)strlen(arg->value[pos]))) - return(0); - - for (i = 0; i < len - 1; i++) - if ( ! isdigit((u_char)arg->value[pos][i])) - break; - - if (i == len - 1) { - if ('n' == arg->value[pos][len - 1]) { - v = (size_t)atoi(arg->value[pos]); - return(v); - } - - } - return(strlen(arg->value[pos]) + 1); -} - - -static int -arg_listtype(const struct mdoc_node *n) -{ - int i, len; - - assert(MDOC_BLOCK == n->type); - - len = (int)(n->args ? n->args->argc : 0); - - for (i = 0; i < len; i++) - switch (n->args->argv[i].arg) { - case (MDOC_Bullet): - /* FALLTHROUGH */ - case (MDOC_Dash): - /* FALLTHROUGH */ - case (MDOC_Enum): - /* FALLTHROUGH */ - case (MDOC_Hyphen): - /* FALLTHROUGH */ - case (MDOC_Tag): - /* FALLTHROUGH */ - case (MDOC_Inset): - /* FALLTHROUGH */ - case (MDOC_Diag): - /* FALLTHROUGH */ - case (MDOC_Item): - /* FALLTHROUGH */ - case (MDOC_Column): - /* FALLTHROUGH */ - case (MDOC_Ohang): - return(n->args->argv[i].arg); - default: - break; - } - - errx(1, "list type not supported"); - /* NOTREACHED */ -} - - -static size_t -arg_offset(const struct mdoc_argv *arg) -{ - - /* TODO */ - assert(*arg->value); - if (0 == strcmp(*arg->value, "indent")) - return(INDENT); - if (0 == strcmp(*arg->value, "indent-two")) - return(INDENT * 2); - return(strlen(*arg->value)); -} - - -static int -arg_hasattr(int arg, const struct mdoc_node *n) -{ - - return(-1 != arg_getattr(arg, n)); -} - - -static int -arg_getattr(int v, const struct mdoc_node *n) -{ - int val; - - return(arg_getattrs(&v, &val, 1, n) ? val : -1); -} - - -static int -arg_getattrs(const int *keys, int *vals, - size_t sz, const struct mdoc_node *n) -{ - int i, j, k; - - if (NULL == n->args) - return(0); - - for (k = i = 0; i < (int)n->args->argc; i++) - for (j = 0; j < (int)sz; j++) - if (n->args->argv[i].arg == keys[j]) { - vals[j] = i; - k++; - } - return(k); -} - - -/* ARGSUSED */ -static int -fmt_block_vspace(struct termp *p, - const struct mdoc_node *bl, - const struct mdoc_node *node) -{ - const struct mdoc_node *n; - - term_newln(p); - - if (arg_hasattr(MDOC_Compact, bl)) - return(1); - - for (n = node; n; n = n->parent) { - if (MDOC_BLOCK != n->type) - continue; - if (MDOC_Ss == n->tok) - break; - if (MDOC_Sh == n->tok) - break; - if (NULL == n->prev) - continue; - term_vspace(p); - break; - } - - return(1); -} - - -/* ARGSUSED */ -static int -termp_dq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - - term_word(p, "\\(lq"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_dq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rq"); -} - - -/* ARGSUSED */ -static int -termp_it_pre(DECL_ARGS) -{ - const struct mdoc_node *bl, *n; - char buf[7]; - int i, type, keys[3], vals[3]; - size_t width, offset; - - if (MDOC_BLOCK == node->type) - return(fmt_block_vspace(p, node->parent->parent, node)); - - bl = node->parent->parent->parent; - - /* Save parent attributes. */ - - pair->offset = p->offset; - pair->rmargin = p->rmargin; - pair->flag = p->flags; - - /* Get list width and offset. */ - - keys[0] = MDOC_Width; - keys[1] = MDOC_Offset; - keys[2] = MDOC_Column; - - vals[0] = vals[1] = vals[2] = -1; - - width = offset = 0; - - (void)arg_getattrs(keys, vals, 3, bl); - - type = arg_listtype(bl); - - /* Calculate real width and offset. */ - - switch (type) { - case (MDOC_Column): - if (MDOC_BODY == node->type) - break; - for (i = 0, n = node->prev; n; n = n->prev, i++) - offset += arg_width - (&bl->args->argv[vals[2]], i); - assert(i < (int)bl->args->argv[vals[2]].sz); - width = arg_width(&bl->args->argv[vals[2]], i); - if (vals[1] >= 0) - offset += arg_offset(&bl->args->argv[vals[1]]); - break; - default: - if (vals[0] >= 0) - width = arg_width(&bl->args->argv[vals[0]], 0); - if (vals[1] >= 0) - offset = arg_offset(&bl->args->argv[vals[1]]); - break; - } - - /* - * List-type can override the width in the case of fixed-head - * values (bullet, dash/hyphen, enum). Tags need a non-zero - * offset. - */ - - switch (type) { - case (MDOC_Bullet): - /* FALLTHROUGH */ - case (MDOC_Dash): - /* FALLTHROUGH */ - case (MDOC_Enum): - /* FALLTHROUGH */ - case (MDOC_Hyphen): - if (width < 4) - width = 4; - break; - case (MDOC_Tag): - if (0 == width) - width = 10; - break; - default: - break; - } - - /* - * Whitespace control. Inset bodies need an initial space. - */ - - switch (type) { - case (MDOC_Diag): - /* FALLTHROUGH */ - case (MDOC_Inset): - if (MDOC_BODY == node->type) - p->flags &= ~TERMP_NOSPACE; - else - p->flags |= TERMP_NOSPACE; - break; - default: - p->flags |= TERMP_NOSPACE; - break; - } - - /* - * Style flags. Diagnostic heads need TTYPE_DIAG. - */ - - switch (type) { - case (MDOC_Diag): - if (MDOC_HEAD == node->type) - p->flags |= ttypes[TTYPE_DIAG]; - break; - default: - break; - } - - /* - * Pad and break control. This is the tricker part. Lists with - * set right-margins for the head get TERMP_NOBREAK because, if - * they overrun the margin, they wrap to the new margin. - * Correspondingly, the body for these types don't left-pad, as - * the head will pad out to to the right. - */ - - switch (type) { - case (MDOC_Bullet): - /* FALLTHROUGH */ - case (MDOC_Dash): - /* FALLTHROUGH */ - case (MDOC_Enum): - /* FALLTHROUGH */ - case (MDOC_Hyphen): - /* FALLTHROUGH */ - case (MDOC_Tag): - if (MDOC_HEAD == node->type) - p->flags |= TERMP_NOBREAK; - else - p->flags |= TERMP_NOLPAD; - if (MDOC_HEAD == node->type && MDOC_Tag == type) - if (NULL == node->next || - NULL == node->next->child) - p->flags |= TERMP_NONOBREAK; - break; - case (MDOC_Column): - if (MDOC_HEAD == node->type) { - assert(node->next); - if (MDOC_BODY == node->next->type) - p->flags &= ~TERMP_NOBREAK; - else - p->flags |= TERMP_NOBREAK; - if (node->prev) - p->flags |= TERMP_NOLPAD; - } - break; - case (MDOC_Diag): - if (MDOC_HEAD == node->type) - p->flags |= TERMP_NOBREAK; - break; - default: - break; - } - - /* - * Margin control. Set-head-width lists have their right - * margins shortened. The body for these lists has the offset - * necessarily lengthened. Everybody gets the offset. - */ - - p->offset += offset; - - switch (type) { - case (MDOC_Bullet): - /* FALLTHROUGH */ - case (MDOC_Dash): - /* FALLTHROUGH */ - case (MDOC_Enum): - /* FALLTHROUGH */ - case (MDOC_Hyphen): - /* FALLTHROUGH */ - case (MDOC_Tag): - if (MDOC_HEAD == node->type) - p->rmargin = p->offset + width; - else - p->offset += width; - break; - case (MDOC_Column): - p->rmargin = p->offset + width; - break; - default: - break; - } - - /* - * The dash, hyphen, bullet and enum lists all have a special - * HEAD character. Print it now. - */ - - if (MDOC_HEAD == node->type) - switch (type) { - case (MDOC_Bullet): - term_word(p, "\\[bu]"); - break; - case (MDOC_Dash): - /* FALLTHROUGH */ - case (MDOC_Hyphen): - term_word(p, "\\-"); - break; - case (MDOC_Enum): - (pair->ppair->ppair->count)++; - (void)snprintf(buf, sizeof(buf), "%d.", - pair->ppair->ppair->count); - term_word(p, buf); - break; - default: - break; - } - - /* - * If we're not going to process our children, indicate so here. - */ - - switch (type) { - case (MDOC_Bullet): - /* FALLTHROUGH */ - case (MDOC_Item): - /* FALLTHROUGH */ - case (MDOC_Dash): - /* FALLTHROUGH */ - case (MDOC_Hyphen): - /* FALLTHROUGH */ - case (MDOC_Enum): - if (MDOC_HEAD == node->type) - return(0); - break; - case (MDOC_Column): - if (MDOC_BODY == node->type) - return(0); - break; - default: - break; - } - - return(1); -} - - -/* ARGSUSED */ -static void -termp_it_post(DECL_ARGS) -{ - int type; - - if (MDOC_BODY != node->type && MDOC_HEAD != node->type) - return; - - type = arg_listtype(node->parent->parent->parent); - - switch (type) { - case (MDOC_Diag): - /* FALLTHROUGH */ - case (MDOC_Item): - /* FALLTHROUGH */ - case (MDOC_Inset): - if (MDOC_BODY == node->type) - term_flushln(p); - break; - case (MDOC_Column): - if (MDOC_HEAD == node->type) - term_flushln(p); - break; - default: - term_flushln(p); - break; - } - - p->offset = pair->offset; - p->rmargin = pair->rmargin; - p->flags = pair->flag; -} - - -/* ARGSUSED */ -static int -termp_nm_pre(DECL_ARGS) -{ - - if (SEC_SYNOPSIS == node->sec) - term_newln(p); - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]); - if (NULL == node->child) - term_word(p, meta->name); - - return(1); -} - - -/* ARGSUSED */ -static int -termp_fl_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); - term_word(p, "\\-"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static int -termp_ar_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_ns_pre(DECL_ARGS) -{ - - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static int -termp_pp_pre(DECL_ARGS) -{ - - term_vspace(p); - return(1); -} - - -/* ARGSUSED */ -static int -termp_st_pre(DECL_ARGS) -{ - const char *cp; - - if (node->child && (cp = mdoc_a2st(node->child->string))) - term_word(p, cp); - return(0); -} - - -/* ARGSUSED */ -static int -termp_rs_pre(DECL_ARGS) -{ - - if (MDOC_BLOCK == node->type && node->prev) - term_vspace(p); - return(1); -} - - -/* ARGSUSED */ -static int -termp_rv_pre(DECL_ARGS) -{ - int i; - - if (-1 == (i = arg_getattr(MDOC_Std, node))) - errx(1, "expected -std argument"); - if (1 != node->args->argv[i].sz) - errx(1, "expected -std argument"); - - term_newln(p); - term_word(p, "The"); - - p->flags |= ttypes[TTYPE_FUNC_NAME]; - term_word(p, *node->args->argv[i].value); - p->flags &= ~ttypes[TTYPE_FUNC_NAME]; - p->flags |= TERMP_NOSPACE; - - term_word(p, "() function returns the value 0 if successful;"); - term_word(p, "otherwise the value -1 is returned and the"); - term_word(p, "global variable"); - - p->flags |= ttypes[TTYPE_VAR_DECL]; - term_word(p, "errno"); - p->flags &= ~ttypes[TTYPE_VAR_DECL]; - - term_word(p, "is set to indicate the error."); - - return(1); -} - - -/* ARGSUSED */ -static int -termp_ex_pre(DECL_ARGS) -{ - int i; - - if (-1 == (i = arg_getattr(MDOC_Std, node))) - errx(1, "expected -std argument"); - if (1 != node->args->argv[i].sz) - errx(1, "expected -std argument"); - - term_word(p, "The"); - p->flags |= ttypes[TTYPE_PROG]; - term_word(p, *node->args->argv[i].value); - p->flags &= ~ttypes[TTYPE_PROG]; - term_word(p, "utility exits 0 on success, and >0 if an error occurs."); - - return(1); -} - - -/* ARGSUSED */ -static int -termp_nd_pre(DECL_ARGS) -{ - - term_word(p, "\\-"); - return(1); -} - - -/* ARGSUSED */ -static void -termp_bl_post(DECL_ARGS) -{ - - if (MDOC_BLOCK == node->type) - term_newln(p); -} - - -/* ARGSUSED */ -static void -termp_op_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rB"); -} - - -/* ARGSUSED */ -static int -termp_xr_pre(DECL_ARGS) -{ - const struct mdoc_node *n; - - if (NULL == (n = node->child)) - errx(1, "expected text line argument"); - term_word(p, n->string); - if (NULL == (n = n->next)) - return(0); - p->flags |= TERMP_NOSPACE; - term_word(p, "("); - p->flags |= TERMP_NOSPACE; - term_word(p, n->string); - p->flags |= TERMP_NOSPACE; - term_word(p, ")"); - return(0); -} - - -/* ARGSUSED */ -static int -termp_vt_pre(DECL_ARGS) -{ - - /* FIXME: this can be "type name". */ - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); - return(1); -} - - -/* ARGSUSED */ -static void -termp_vt_post(DECL_ARGS) -{ - - if (node->sec == SEC_SYNOPSIS) - term_vspace(p); -} - - -/* ARGSUSED */ -static int -termp_fd_pre(DECL_ARGS) -{ - - /* - * FIXME: this naming is bad. This value is used, in general, - * for the #include header or other preprocessor statement. - */ - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]); - return(1); -} - - -/* ARGSUSED */ -static void -termp_fd_post(DECL_ARGS) -{ - - if (node->sec != SEC_SYNOPSIS) - return; - term_newln(p); - if (node->next && MDOC_Fd != node->next->tok) - term_vspace(p); -} - - -/* ARGSUSED */ -static int -termp_sh_pre(DECL_ARGS) -{ - - switch (node->type) { - case (MDOC_HEAD): - term_vspace(p); - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]); - break; - case (MDOC_BODY): - p->offset = INDENT; - break; - default: - break; - } - return(1); -} - - -/* ARGSUSED */ -static void -termp_sh_post(DECL_ARGS) -{ - - switch (node->type) { - case (MDOC_HEAD): - term_newln(p); - break; - case (MDOC_BODY): - term_newln(p); - p->offset = 0; - break; - default: - break; - } -} - - -/* ARGSUSED */ -static int -termp_op_pre(DECL_ARGS) -{ - - switch (node->type) { - case (MDOC_BODY): - term_word(p, "\\(lB"); - p->flags |= TERMP_NOSPACE; - break; - default: - break; - } - return(1); -} - - -/* ARGSUSED */ -static int -termp_bt_pre(DECL_ARGS) -{ - - term_word(p, "is currently in beta test."); - return(1); -} - - -/* ARGSUSED */ -static int -termp_lb_pre(DECL_ARGS) -{ - const char *lb; - - if (NULL == node->child) - errx(1, "expected text line argument"); - if ((lb = mdoc_a2lib(node->child->string))) { - term_word(p, lb); - return(0); - } - term_word(p, "library"); - return(1); -} - - -/* ARGSUSED */ -static void -termp_lb_post(DECL_ARGS) -{ - - term_newln(p); -} - - -/* ARGSUSED */ -static int -termp_ud_pre(DECL_ARGS) -{ - - term_word(p, "currently under development."); - return(1); -} - - -/* ARGSUSED */ -static int -termp_d1_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_newln(p); - p->offset += (pair->offset = INDENT); - return(1); -} - - -/* ARGSUSED */ -static void -termp_d1_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - term_newln(p); - p->offset -= pair->offset; -} - - -/* ARGSUSED */ -static int -termp_aq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\(la"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_aq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(ra"); -} - - -/* ARGSUSED */ -static int -termp_ft_pre(DECL_ARGS) -{ - - if (SEC_SYNOPSIS == node->sec) - if (node->prev && MDOC_Fo == node->prev->tok) - term_vspace(p); - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); - return(1); -} - - -/* ARGSUSED */ -static void -termp_ft_post(DECL_ARGS) -{ - - if (SEC_SYNOPSIS == node->sec) - term_newln(p); -} - - -/* ARGSUSED */ -static int -termp_fn_pre(DECL_ARGS) -{ - const struct mdoc_node *n; - - if (NULL == node->child) - errx(1, "expected text line arguments"); - - /* FIXME: can be "type funcname" "type varname"... */ - - p->flags |= ttypes[TTYPE_FUNC_NAME]; - term_word(p, node->child->string); - p->flags &= ~ttypes[TTYPE_FUNC_NAME]; - - p->flags |= TERMP_NOSPACE; - term_word(p, "("); - - for (n = node->child->next; n; n = n->next) { - p->flags |= ttypes[TTYPE_FUNC_ARG]; - term_word(p, n->string); - p->flags &= ~ttypes[TTYPE_FUNC_ARG]; - if (n->next) - term_word(p, ","); - } - - term_word(p, ")"); - - if (SEC_SYNOPSIS == node->sec) - term_word(p, ";"); - - return(0); -} - - -/* ARGSUSED */ -static void -termp_fn_post(DECL_ARGS) -{ - - if (node->sec == SEC_SYNOPSIS && node->next) - term_vspace(p); - -} - - -/* ARGSUSED */ -static int -termp_sx_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_fa_pre(DECL_ARGS) -{ - struct mdoc_node *n; - - if (node->parent->tok != MDOC_Fo) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]); - return(1); - } - - for (n = node->child; n; n = n->next) { - p->flags |= ttypes[TTYPE_FUNC_ARG]; - term_word(p, n->string); - p->flags &= ~ttypes[TTYPE_FUNC_ARG]; - if (n->next) - term_word(p, ","); - } - - if (node->child && node->next && node->next->tok == MDOC_Fa) - term_word(p, ","); - - return(0); -} - - -/* ARGSUSED */ -static int -termp_va_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_bd_pre(DECL_ARGS) -{ - int i, type, ln; - - /* - * This is fairly tricky due primarily to crappy documentation. - * If -ragged or -filled are specified, the block does nothing - * but change the indentation. - * - * If, on the other hand, -unfilled or -literal are specified, - * then the game changes. Text is printed exactly as entered in - * the display: if a macro line, a newline is appended to the - * line. Blank lines are allowed. - */ - - if (MDOC_BLOCK == node->type) - return(fmt_block_vspace(p, node, node)); - else if (MDOC_BODY != node->type) - return(1); - - if (NULL == node->parent->args) - errx(1, "missing display type"); - - pair->offset = p->offset; - - for (type = -1, i = 0; - i < (int)node->parent->args->argc; i++) { - switch (node->parent->args->argv[i].arg) { - case (MDOC_Ragged): - /* FALLTHROUGH */ - case (MDOC_Filled): - /* FALLTHROUGH */ - case (MDOC_Unfilled): - /* FALLTHROUGH */ - case (MDOC_Literal): - type = node->parent->args->argv[i].arg; - i = (int)node->parent->args->argc; - break; - default: - break; - } - } - - if (NULL == node->parent->args) - errx(1, "missing display type"); - - i = arg_getattr(MDOC_Offset, node->parent); - if (-1 != i) { - if (1 != node->parent->args->argv[i].sz) - errx(1, "expected single value"); - p->offset += arg_offset(&node->parent->args->argv[i]); - } - - switch (type) { - case (MDOC_Literal): - /* FALLTHROUGH */ - case (MDOC_Unfilled): - break; - default: - return(1); - } - - /* - * Tricky. Iterate through all children. If we're on a - * different parse line, append a newline and then the contents. - * Ew. - */ - - p->flags |= TERMP_LITERAL; - ln = node->child ? node->child->line : 0; - - for (node = node->child; node; node = node->next) { - if (ln < node->line) { - term_flushln(p); - p->flags |= TERMP_NOSPACE; - } - ln = node->line; - term_node(p, pair, meta, node); - } - - return(0); -} - - -/* ARGSUSED */ -static void -termp_bd_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - - term_flushln(p); - p->flags &= ~TERMP_LITERAL; - p->offset = pair->offset; - p->flags |= TERMP_NOSPACE; -} - - -/* ARGSUSED */ -static int -termp_qq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\""); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_qq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\""); -} - - -/* ARGSUSED */ -static int -termp_bsx_pre(DECL_ARGS) -{ - - term_word(p, "BSDI BSD/OS"); - return(1); -} - - -/* ARGSUSED */ -static void -termp_bx_post(DECL_ARGS) -{ - - if (node->child) - p->flags |= TERMP_NOSPACE; - term_word(p, "BSD"); -} - - -/* ARGSUSED */ -static int -termp_ox_pre(DECL_ARGS) -{ - - term_word(p, "OpenBSD"); - return(1); -} - - -/* ARGSUSED */ -static int -termp_dx_pre(DECL_ARGS) -{ - - term_word(p, "DragonFly"); - return(1); -} - - -/* ARGSUSED */ -static int -termp_ux_pre(DECL_ARGS) -{ - - term_word(p, "UNIX"); - return(1); -} - - -/* ARGSUSED */ -static int -termp_fx_pre(DECL_ARGS) -{ - - term_word(p, "FreeBSD"); - return(1); -} - - -/* ARGSUSED */ -static int -termp_nx_pre(DECL_ARGS) -{ - - term_word(p, "NetBSD"); - return(1); -} - - -/* ARGSUSED */ -static int -termp_sq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\(oq"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_sq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(aq"); -} - - -/* ARGSUSED */ -static int -termp_pf_pre(DECL_ARGS) -{ - - p->flags |= TERMP_IGNDELIM; - return(1); -} - - -/* ARGSUSED */ -static void -termp_pf_post(DECL_ARGS) -{ - - p->flags &= ~TERMP_IGNDELIM; - p->flags |= TERMP_NOSPACE; -} - - -/* ARGSUSED */ -static int -termp_ss_pre(DECL_ARGS) -{ - - switch (node->type) { - case (MDOC_BLOCK): - term_newln(p); - if (node->prev) - term_vspace(p); - break; - case (MDOC_HEAD): - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]); - p->offset = INDENT / 2; - break; - default: - break; - } - - return(1); -} - - -/* ARGSUSED */ -static void -termp_ss_post(DECL_ARGS) -{ - - switch (node->type) { - case (MDOC_HEAD): - term_newln(p); - p->offset = INDENT; - break; - default: - break; - } -} - - -/* ARGSUSED */ -static int -termp_pa_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_em_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_cd_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); - term_newln(p); - return(1); -} - - -/* ARGSUSED */ -static int -termp_cm_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_ic_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_in_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]); - term_word(p, "#include"); - term_word(p, "<"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_in_post(DECL_ARGS) -{ - - p->flags |= TERMP_NOSPACE; - term_word(p, ">"); - - term_newln(p); - if (SEC_SYNOPSIS != node->sec) - return; - if (node->next && MDOC_In != node->next->tok) - term_vspace(p); -} - - -/* ARGSUSED */ -static int -termp_at_pre(DECL_ARGS) -{ - const char *att; - - att = NULL; - - if (node->child) - att = mdoc_a2att(node->child->string); - if (NULL == att) - att = "AT&T UNIX"; - - term_word(p, att); - return(0); -} - - -/* ARGSUSED */ -static int -termp_brq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\(lC"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_brq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rC"); -} - - -/* ARGSUSED */ -static int -termp_bq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\(lB"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_bq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rB"); -} - - -/* ARGSUSED */ -static int -termp_pq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\&("); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp_pq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - term_word(p, ")"); -} - - -/* ARGSUSED */ -static int -termp_fo_pre(DECL_ARGS) -{ - const struct mdoc_node *n; - - if (MDOC_BODY == node->type) { - term_word(p, "("); - p->flags |= TERMP_NOSPACE; - return(1); - } else if (MDOC_HEAD != node->type) - return(1); - - /* XXX - groff shows only first parameter */ - - p->flags |= ttypes[TTYPE_FUNC_NAME]; - for (n = node->child; n; n = n->next) { - if (MDOC_TEXT != n->type) - errx(1, "expected text line argument"); - term_word(p, n->string); - } - p->flags &= ~ttypes[TTYPE_FUNC_NAME]; - - return(0); -} - - -/* ARGSUSED */ -static void -termp_fo_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, ")"); - p->flags |= TERMP_NOSPACE; - term_word(p, ";"); - term_newln(p); -} - - -/* ARGSUSED */ -static int -termp_bf_pre(DECL_ARGS) -{ - const struct mdoc_node *n; - - if (MDOC_HEAD == node->type) { - return(0); - } else if (MDOC_BLOCK != node->type) - return(1); - - if (NULL == (n = node->head->child)) { - if (arg_hasattr(MDOC_Emphasis, node)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); - else if (arg_hasattr(MDOC_Symbolic, node)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); - - return(1); - } - - if (MDOC_TEXT != n->type) - errx(1, "expected text line arguments"); - - if (0 == strcmp("Em", n->string)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); - else if (0 == strcmp("Sy", n->string)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); - - return(1); -} - - -/* ARGSUSED */ -static int -termp_sy_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); - return(1); -} - - -/* ARGSUSED */ -static int -termp_ms_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]); - return(1); -} - - - -/* ARGSUSED */ -static int -termp_sm_pre(DECL_ARGS) -{ - - if (NULL == node->child || MDOC_TEXT != node->child->type) - errx(1, "expected boolean line argument"); - - if (0 == strcmp("on", node->child->string)) { - p->flags &= ~TERMP_NONOSPACE; - p->flags &= ~TERMP_NOSPACE; - } else - p->flags |= TERMP_NONOSPACE; - - return(0); -} - - -/* ARGSUSED */ -static int -termp_ap_pre(DECL_ARGS) -{ - - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(aq"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static int -termp__j_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]); - return(1); -} - - -/* ARGSUSED */ -static int -termp__t_pre(DECL_ARGS) -{ - - term_word(p, "\""); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ -static void -termp__t_post(DECL_ARGS) -{ - - p->flags |= TERMP_NOSPACE; - term_word(p, "\""); - termp____post(p, pair, meta, node); -} - - -/* ARGSUSED */ -static void -termp____post(DECL_ARGS) -{ - - p->flags |= TERMP_NOSPACE; - term_word(p, node->next ? "," : "."); -} - - -/* ARGSUSED */ -static int -termp_lk_pre(DECL_ARGS) -{ - const struct mdoc_node *n; - - if (NULL == (n = node->child)) - errx(1, "expected line argument"); - - p->flags |= ttypes[TTYPE_LINK_ANCHOR]; - term_word(p, n->string); - p->flags &= ~ttypes[TTYPE_LINK_ANCHOR]; - p->flags |= TERMP_NOSPACE; - term_word(p, ":"); - - p->flags |= ttypes[TTYPE_LINK_TEXT]; - for ( ; n; n = n->next) { - term_word(p, n->string); - } - p->flags &= ~ttypes[TTYPE_LINK_TEXT]; - - return(0); -} - - -/* ARGSUSED */ -static int -termp_mt_pre(DECL_ARGS) -{ - - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]); - return(1); -} - diff --git a/term.h b/term.h index 23d1b53e..2ab28fbb 100644 --- a/term.h +++ b/term.h @@ -1,4 +1,4 @@ -/* $Id: term.h,v 1.33 2009/03/25 21:46:24 kristaps Exp $ */ +/* $Id: term.h,v 1.34 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -19,9 +19,6 @@ #ifndef TERM_H #define TERM_H -#include "mdoc.h" -#include "man.h" - /* FIXME - clean up tabs. */ #define INDENT 6 @@ -56,35 +53,6 @@ struct termp { void *symtab; /* Encoded-symbol table. */ }; -/* XXX - clean this up. */ - -struct termpair { - struct termpair *ppair; - int type; -#define TERMPAIR_FLAG (1 << 0) - int flag; - size_t offset; - size_t rmargin; - int count; -}; - -#define TERMPAIR_SETFLAG(termp, p, fl) \ - do { \ - assert(! (TERMPAIR_FLAG & (p)->type)); \ - (termp)->flags |= (fl); \ - (p)->flag = (fl); \ - (p)->type |= TERMPAIR_FLAG; \ - } while ( /* CONSTCOND */ 0) - -struct termact { - int (*pre)(struct termp *, struct termpair *, - const struct mdoc_meta *, - const struct mdoc_node *); - void (*post)(struct termp *, struct termpair *, - const struct mdoc_meta *, - const struct mdoc_node *); -}; - void *term_ascii2htab(void); const char *term_a2ascii(void *, const char *, size_t, size_t *); void term_asciifree(void *); @@ -93,11 +61,6 @@ void term_newln(struct termp *); void term_vspace(struct termp *); void term_word(struct termp *, const char *); void term_flushln(struct termp *); -void term_node(struct termp *, struct termpair *, - const struct mdoc_meta *, - const struct mdoc_node *); - -const struct termact *termacts; __END_DECLS diff --git a/terminal.c b/terminal.c index 07373b21..315625d2 100644 --- a/terminal.c +++ b/terminal.c @@ -1,4 +1,4 @@ -/* $Id: terminal.c,v 1.8 2009/03/25 21:46:24 kristaps Exp $ */ +/* $Id: terminal.c,v 1.9 2009/03/26 14:38:11 kristaps Exp $ */ /* * Copyright (c) 2008, 2009 Kristaps Dzonsons * @@ -23,21 +23,21 @@ #include #include "term.h" +#include "man.h" +#include "mdoc.h" #ifdef __linux__ extern size_t strlcpy(char *, const char *, size_t); extern size_t strlcat(char *, const char *, size_t); #endif +extern int man_run(struct termp *, + const struct man *); +extern int mdoc_run(struct termp *, + const struct mdoc *); + static struct termp *term_alloc(enum termenc); static void term_free(struct termp *); -static void term_body(struct termp *, struct termpair *, - const struct mdoc_meta *, - const struct mdoc_node *); -static void term_head(struct termp *, - const struct mdoc_meta *); -static void term_foot(struct termp *, - const struct mdoc_meta *); static void term_pword(struct termp *, const char *, int); static void term_pescape(struct termp *, const char *, int *, int); @@ -48,7 +48,6 @@ static void term_stringa(struct termp *, const char *, size_t); static int term_isopendelim(const char *, int); static int term_isclosedelim(const char *, int); -static void sanity(const struct mdoc_node *); /* XXX */ void * @@ -65,17 +64,15 @@ terminal_run(void *arg, const struct man *man, { struct termp *p; - if (NULL == mdoc) - return(1); - p = (struct termp *)arg; if (NULL == p->symtab) p->symtab = term_ascii2htab(); - term_head(p, mdoc_meta(mdoc)); - term_body(p, NULL, mdoc_meta(mdoc), mdoc_node(mdoc)); - term_foot(p, mdoc_meta(mdoc)); + if (man) + return(man_run(p, man)); + if (mdoc) + return(mdoc_run(p, mdoc)); return(1); } @@ -403,191 +400,6 @@ term_word(struct termp *p, const char *word) } -static void -term_body(struct termp *p, struct termpair *ppair, - const struct mdoc_meta *meta, - const struct mdoc_node *node) -{ - - term_node(p, ppair, meta, node); - if (node->next) - term_body(p, ppair, meta, node->next); -} - - -/* - * This is the main function for printing out nodes. It's constituted - * of PRE and POST functions, which correspond to prefix and infix - * processing. The termpair structure allows data to persist between - * prefix and postfix invocations. - */ -void -term_node(struct termp *p, struct termpair *ppair, - const struct mdoc_meta *meta, - const struct mdoc_node *node) -{ - int dochild; - struct termpair pair; - - /* Some quick sanity-checking. */ - - sanity(node); - - /* Pre-processing. */ - - dochild = 1; - pair.ppair = ppair; - pair.type = 0; - pair.offset = pair.rmargin = 0; - pair.flag = 0; - pair.count = 0; - - if (MDOC_TEXT != node->type) { - if (termacts[node->tok].pre) - if ( ! (*termacts[node->tok].pre)(p, &pair, meta, node)) - dochild = 0; - } else /* MDOC_TEXT == node->type */ - term_word(p, node->string); - - /* Children. */ - - if (TERMPAIR_FLAG & pair.type) - p->flags |= pair.flag; - - if (dochild && node->child) - term_body(p, &pair, meta, node->child); - - if (TERMPAIR_FLAG & pair.type) - p->flags &= ~pair.flag; - - /* Post-processing. */ - - if (MDOC_TEXT != node->type) - if (termacts[node->tok].post) - (*termacts[node->tok].post)(p, &pair, meta, node); -} - - -static void -term_foot(struct termp *p, const struct mdoc_meta *meta) -{ - struct tm *tm; - char *buf, *os; - - if (NULL == (buf = malloc(p->rmargin))) - err(1, "malloc"); - if (NULL == (os = malloc(p->rmargin))) - err(1, "malloc"); - - tm = localtime(&meta->date); - -#ifdef __OpenBSD__ - if (NULL == strftime(buf, p->rmargin, "%B %d, %Y", tm)) -#else - if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm)) -#endif - err(1, "strftime"); - - (void)strlcpy(os, meta->os, p->rmargin); - - /* - * This is /slightly/ different from regular groff output - * because we don't have page numbers. Print the following: - * - * OS MDOCDATE - */ - - term_vspace(p); - - p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; - p->rmargin = p->maxrmargin - strlen(buf); - p->offset = 0; - - term_word(p, os); - term_flushln(p); - - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; - p->offset = p->rmargin; - p->rmargin = p->maxrmargin; - p->flags &= ~TERMP_NOBREAK; - - term_word(p, buf); - term_flushln(p); - - free(buf); - free(os); -} - - -static void -term_head(struct termp *p, const struct mdoc_meta *meta) -{ - char *buf, *title; - - p->rmargin = p->maxrmargin; - p->offset = 0; - - if (NULL == (buf = malloc(p->rmargin))) - err(1, "malloc"); - if (NULL == (title = malloc(p->rmargin))) - err(1, "malloc"); - - /* - * The header is strange. It has three components, which are - * really two with the first duplicated. It goes like this: - * - * IDENTIFIER TITLE IDENTIFIER - * - * The IDENTIFIER is NAME(SECTION), which is the command-name - * (if given, or "unknown" if not) followed by the manual page - * section. These are given in `Dt'. The TITLE is a free-form - * string depending on the manual volume. If not specified, it - * switches on the manual section. - */ - - assert(meta->vol); - (void)strlcpy(buf, meta->vol, p->rmargin); - - if (meta->arch) { - (void)strlcat(buf, " (", p->rmargin); - (void)strlcat(buf, meta->arch, p->rmargin); - (void)strlcat(buf, ")", p->rmargin); - } - - (void)snprintf(title, p->rmargin, "%s(%d)", - meta->title, meta->msec); - - p->offset = 0; - p->rmargin = (p->maxrmargin - strlen(buf)) / 2; - p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; - - term_word(p, title); - term_flushln(p); - - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; - p->offset = p->rmargin; - p->rmargin = p->maxrmargin - strlen(title); - - term_word(p, buf); - term_flushln(p); - - p->offset = p->rmargin; - p->rmargin = p->maxrmargin; - p->flags &= ~TERMP_NOBREAK; - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; - - term_word(p, title); - term_flushln(p); - - p->rmargin = p->maxrmargin; - p->offset = 0; - p->flags &= ~TERMP_NOSPACE; - - free(title); - free(buf); -} - - /* * Determine the symbol indicated by an escape sequences, that is, one * starting with a backslash. Once done, we pass this value into the @@ -765,112 +577,3 @@ term_chara(struct termp *p, char c) p->buf[(int)(p->col)++] = c; } - -static void -sanity(const struct mdoc_node *n) -{ - - switch (n->type) { - case (MDOC_TEXT): - if (n->child) - errx(1, "regular form violated (1)"); - if (NULL == n->parent) - errx(1, "regular form violated (2)"); - if (NULL == n->string) - errx(1, "regular form violated (3)"); - switch (n->parent->type) { - case (MDOC_TEXT): - /* FALLTHROUGH */ - case (MDOC_ROOT): - errx(1, "regular form violated (4)"); - /* NOTREACHED */ - default: - break; - } - break; - case (MDOC_ELEM): - if (NULL == n->parent) - errx(1, "regular form violated (5)"); - switch (n->parent->type) { - case (MDOC_TAIL): - /* FALLTHROUGH */ - case (MDOC_BODY): - /* FALLTHROUGH */ - case (MDOC_HEAD): - break; - default: - errx(1, "regular form violated (6)"); - /* NOTREACHED */ - } - if (n->child) switch (n->child->type) { - case (MDOC_TEXT): - break; - default: - errx(1, "regular form violated (7("); - /* NOTREACHED */ - } - break; - case (MDOC_HEAD): - /* FALLTHROUGH */ - case (MDOC_BODY): - /* FALLTHROUGH */ - case (MDOC_TAIL): - if (NULL == n->parent) - errx(1, "regular form violated (8)"); - if (MDOC_BLOCK != n->parent->type) - errx(1, "regular form violated (9)"); - if (n->child) switch (n->child->type) { - case (MDOC_BLOCK): - /* FALLTHROUGH */ - case (MDOC_ELEM): - /* FALLTHROUGH */ - case (MDOC_TEXT): - break; - default: - errx(1, "regular form violated (a)"); - /* NOTREACHED */ - } - break; - case (MDOC_BLOCK): - if (NULL == n->parent) - errx(1, "regular form violated (b)"); - if (NULL == n->child) - errx(1, "regular form violated (c)"); - switch (n->parent->type) { - case (MDOC_ROOT): - /* FALLTHROUGH */ - case (MDOC_HEAD): - /* FALLTHROUGH */ - case (MDOC_BODY): - /* FALLTHROUGH */ - case (MDOC_TAIL): - break; - default: - errx(1, "regular form violated (d)"); - /* NOTREACHED */ - } - switch (n->child->type) { - case (MDOC_ROOT): - /* FALLTHROUGH */ - case (MDOC_ELEM): - errx(1, "regular form violated (e)"); - /* NOTREACHED */ - default: - break; - } - break; - case (MDOC_ROOT): - if (n->parent) - errx(1, "regular form violated (f)"); - if (NULL == n->child) - errx(1, "regular form violated (10)"); - switch (n->child->type) { - case (MDOC_BLOCK): - break; - default: - errx(1, "regular form violated (11)"); - /* NOTREACHED */ - } - break; - } -} -- cgit v1.2.3-56-ge451