-/* $Id: man_term.c,v 1.17 2009/07/24 20:22:24 kristaps Exp $ */
+/* $Id: man_term.c,v 1.191 2017/02/15 14:10:08 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
*
* 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
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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 "config.h"
+
+#include <sys/types.h>
+
#include <assert.h>
-#include <err.h>
+#include <ctype.h>
+#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "term.h"
+#include "mandoc_aux.h"
+#include "mandoc.h"
+#include "roff.h"
#include "man.h"
+#include "out.h"
+#include "term.h"
+#include "main.h"
+
+#define MAXMARGINS 64 /* maximum number of indented scopes */
+
+struct mtermp {
+ int fl;
+#define MANT_LITERAL (1 << 0)
+ int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
+ int lmargincur; /* index of current margin */
+ int lmarginsz; /* actual number of nested margins */
+ size_t offset; /* default offset to visible page */
+ int pardist; /* vert. space before par., unit: [v] */
+};
-#ifdef __linux__
-extern size_t strlcpy(char *, const char *, size_t);
-extern size_t strlcat(char *, const char *, size_t);
-#endif
-
-#define DECL_ARGS struct termp *p, \
- const struct man_node *n, \
- const struct man_meta *m
+#define DECL_ARGS struct termp *p, \
+ struct mtermp *mt, \
+ struct roff_node *n, \
+ const struct roff_meta *meta
struct termact {
int (*pre)(DECL_ARGS);
void (*post)(DECL_ARGS);
+ int flags;
+#define MAN_NOTEXT (1 << 0) /* Never has text children. */
};
+static void print_man_nodelist(DECL_ARGS);
+static void print_man_node(DECL_ARGS);
+static void print_man_head(struct termp *,
+ const struct roff_meta *);
+static void print_man_foot(struct termp *,
+ const struct roff_meta *);
+static void print_bvspace(struct termp *,
+ const struct roff_node *, int);
+
static int pre_B(DECL_ARGS);
-static int pre_BI(DECL_ARGS);
-static int pre_BR(DECL_ARGS);
-static int pre_br(DECL_ARGS);
+static int pre_HP(DECL_ARGS);
static int pre_I(DECL_ARGS);
-static int pre_IB(DECL_ARGS);
static int pre_IP(DECL_ARGS);
-static int pre_IR(DECL_ARGS);
+static int pre_OP(DECL_ARGS);
+static int pre_PD(DECL_ARGS);
static int pre_PP(DECL_ARGS);
-static int pre_RB(DECL_ARGS);
-static int pre_RI(DECL_ARGS);
+static int pre_RS(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 int pre_UR(DECL_ARGS);
+static int pre_alternate(DECL_ARGS);
+static int pre_ft(DECL_ARGS);
+static int pre_ign(DECL_ARGS);
+static int pre_in(DECL_ARGS);
+static int pre_literal(DECL_ARGS);
+static int pre_ll(DECL_ARGS);
+static int pre_sp(DECL_ARGS);
+
+static void post_IP(DECL_ARGS);
+static void post_HP(DECL_ARGS);
+static void post_RS(DECL_ARGS);
static void post_SH(DECL_ARGS);
static void post_SS(DECL_ARGS);
-
-static const struct termact termacts[MAN_MAX] = {
- { pre_br, NULL }, /* br */
- { 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 */
- { pre_IP, NULL }, /* IP */
- { pre_PP, NULL }, /* HP */ /* FIXME */
- { NULL, NULL }, /* SM */
- { pre_B, post_B }, /* SB */
- { pre_BI, NULL }, /* BI */
- { pre_IB, NULL }, /* IB */
- { pre_BR, NULL }, /* BR */
- { pre_RB, NULL }, /* RB */
- { NULL, NULL }, /* R */
- { pre_B, post_B }, /* B */
- { pre_I, post_I }, /* I */
- { pre_IR, NULL }, /* IR */
- { pre_RI, NULL }, /* RI */
- { NULL, NULL }, /* na */
- { pre_I, post_I }, /* i */
- { NULL, NULL }, /* sp */
+static void post_TP(DECL_ARGS);
+static void post_UR(DECL_ARGS);
+
+static const struct termact termacts[MAN_MAX] = {
+ { pre_sp, NULL, MAN_NOTEXT }, /* br */
+ { NULL, NULL, 0 }, /* TH */
+ { pre_SH, post_SH, 0 }, /* SH */
+ { pre_SS, post_SS, 0 }, /* SS */
+ { pre_TP, post_TP, 0 }, /* TP */
+ { pre_PP, NULL, 0 }, /* LP */
+ { pre_PP, NULL, 0 }, /* PP */
+ { pre_PP, NULL, 0 }, /* P */
+ { pre_IP, post_IP, 0 }, /* IP */
+ { pre_HP, post_HP, 0 }, /* HP */
+ { NULL, NULL, 0 }, /* SM */
+ { pre_B, NULL, 0 }, /* SB */
+ { pre_alternate, NULL, 0 }, /* BI */
+ { pre_alternate, NULL, 0 }, /* IB */
+ { pre_alternate, NULL, 0 }, /* BR */
+ { pre_alternate, NULL, 0 }, /* RB */
+ { NULL, NULL, 0 }, /* R */
+ { pre_B, NULL, 0 }, /* B */
+ { pre_I, NULL, 0 }, /* I */
+ { pre_alternate, NULL, 0 }, /* IR */
+ { pre_alternate, NULL, 0 }, /* RI */
+ { pre_sp, NULL, MAN_NOTEXT }, /* sp */
+ { pre_literal, NULL, 0 }, /* nf */
+ { pre_literal, NULL, 0 }, /* fi */
+ { NULL, NULL, 0 }, /* RE */
+ { pre_RS, post_RS, 0 }, /* RS */
+ { pre_ign, NULL, 0 }, /* DT */
+ { pre_ign, NULL, MAN_NOTEXT }, /* UC */
+ { pre_PD, NULL, MAN_NOTEXT }, /* PD */
+ { pre_ign, NULL, 0 }, /* AT */
+ { pre_in, NULL, MAN_NOTEXT }, /* in */
+ { pre_ft, NULL, MAN_NOTEXT }, /* ft */
+ { pre_OP, NULL, 0 }, /* OP */
+ { pre_literal, NULL, 0 }, /* EX */
+ { pre_literal, NULL, 0 }, /* EE */
+ { pre_UR, post_UR, 0 }, /* UR */
+ { NULL, NULL, 0 }, /* UE */
+ { pre_ll, NULL, MAN_NOTEXT }, /* ll */
};
-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 *);
+void
+terminal_man(void *arg, const struct roff_man *man)
+{
+ struct termp *p;
+ struct roff_node *n;
+ struct mtermp mt;
+ size_t save_defindent;
+
+ p = (struct termp *)arg;
+ p->overstep = 0;
+ p->rmargin = p->maxrmargin = p->defrmargin;
+ p->tabwidth = term_len(p, 5);
+
+ memset(&mt, 0, sizeof(struct mtermp));
+ mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
+ mt.offset = term_len(p, p->defindent);
+ mt.pardist = 1;
+
+ n = man->first->child;
+ if (p->synopsisonly) {
+ while (n != NULL) {
+ if (n->tok == MAN_SH &&
+ n->child->child->type == ROFFT_TEXT &&
+ !strcmp(n->child->child->string, "SYNOPSIS")) {
+ if (n->child->next->child != NULL)
+ print_man_nodelist(p, &mt,
+ n->child->next->child,
+ &man->meta);
+ term_newln(p);
+ break;
+ }
+ n = n->next;
+ }
+ } else {
+ save_defindent = p->defindent;
+ if (p->defindent == 0)
+ p->defindent = 7;
+ term_begin(p, print_man_head, print_man_foot, &man->meta);
+ p->flags |= TERMP_NOSPACE;
+ if (n != NULL)
+ print_man_nodelist(p, &mt, n, &man->meta);
+ term_end(p);
+ p->defindent = save_defindent;
+ }
+}
-int
-man_run(struct termp *p, const struct man *m)
+/*
+ * Printing leading vertical space before a block.
+ * This is used for the paragraph macros.
+ * The rules are pretty simple, since there's very little nesting going
+ * on here. Basically, if we're the first within another block (SS/SH),
+ * then don't emit vertical space. If we are (RS), then do. If not the
+ * first, print it.
+ */
+static void
+print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
{
+ int i;
- print_head(p, man_meta(m));
- p->flags |= TERMP_NOSPACE;
- assert(man_node(m));
- assert(MAN_ROOT == man_node(m)->type);
- if (man_node(m)->child)
- print_body(p, man_node(m)->child, man_meta(m));
- print_foot(p, man_meta(m));
+ term_newln(p);
+
+ if (n->body && n->body->child)
+ if (n->body->child->type == ROFFT_TBL)
+ return;
+
+ if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
+ if (NULL == n->prev)
+ return;
- return(1);
+ for (i = 0; i < pardist; i++)
+ term_vspace(p);
}
-/* ARGSUSED */
static int
-pre_I(DECL_ARGS)
+pre_ign(DECL_ARGS)
{
- p->flags |= TERMP_UNDER;
- return(1);
+ return 0;
}
-
-/* ARGSUSED */
-static void
-post_I(DECL_ARGS)
+static int
+pre_ll(DECL_ARGS)
{
- p->flags &= ~TERMP_UNDER;
+ term_setwidth(p, n->child != NULL ? n->child->string : NULL);
+ return 0;
}
+static int
+pre_I(DECL_ARGS)
+{
+
+ term_fontrepl(p, TERMFONT_UNDER);
+ return 1;
+}
-/* ARGSUSED */
static int
-pre_IR(DECL_ARGS)
+pre_literal(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if ( ! (i % 2))
- p->flags |= TERMP_UNDER;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_node(p, nn, m);
- if ( ! (i % 2))
- p->flags &= ~TERMP_UNDER;
+ term_newln(p);
+
+ if (MAN_nf == n->tok || MAN_EX == n->tok)
+ mt->fl |= MANT_LITERAL;
+ else
+ mt->fl &= ~MANT_LITERAL;
+
+ /*
+ * Unlike .IP and .TP, .HP does not have a HEAD.
+ * So in case a second call to term_flushln() is needed,
+ * indentation has to be set up explicitly.
+ */
+ if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
+ p->trailspace = 0;
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+ p->flags |= TERMP_NOSPACE;
}
- return(0);
-}
+ return 0;
+}
-/* ARGSUSED */
static int
-pre_IB(DECL_ARGS)
+pre_PD(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
+ struct roffsu su;
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- p->flags |= i % 2 ? TERMP_BOLD : TERMP_UNDER;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_node(p, nn, m);
- p->flags &= i % 2 ? ~TERMP_BOLD : ~TERMP_UNDER;
+ n = n->child;
+ if (n == NULL) {
+ mt->pardist = 1;
+ return 0;
}
- return(0);
+ assert(n->type == ROFFT_TEXT);
+ if (a2roffsu(n->string, &su, SCALE_VS))
+ mt->pardist = term_vspan(p, &su);
+ return 0;
}
-
-/* ARGSUSED */
static int
-pre_RB(DECL_ARGS)
+pre_alternate(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
+ enum termfont font[2];
+ struct roff_node *nn;
+ int savelit, i;
+
+ switch (n->tok) {
+ case MAN_RB:
+ font[0] = TERMFONT_NONE;
+ font[1] = TERMFONT_BOLD;
+ break;
+ case MAN_RI:
+ font[0] = TERMFONT_NONE;
+ font[1] = TERMFONT_UNDER;
+ break;
+ case MAN_BR:
+ font[0] = TERMFONT_BOLD;
+ font[1] = TERMFONT_NONE;
+ break;
+ case MAN_BI:
+ font[0] = TERMFONT_BOLD;
+ font[1] = TERMFONT_UNDER;
+ break;
+ case MAN_IR:
+ font[0] = TERMFONT_UNDER;
+ font[1] = TERMFONT_NONE;
+ break;
+ case MAN_IB:
+ font[0] = TERMFONT_UNDER;
+ font[1] = TERMFONT_BOLD;
+ break;
+ default:
+ abort();
+ }
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if (i % 2)
- p->flags |= TERMP_BOLD;
- if (i > 0)
+ savelit = MANT_LITERAL & mt->fl;
+ mt->fl &= ~MANT_LITERAL;
+
+ for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
+ term_fontrepl(p, font[i]);
+ if (savelit && NULL == nn->next)
+ mt->fl |= MANT_LITERAL;
+ assert(nn->type == ROFFT_TEXT);
+ term_word(p, nn->string);
+ if (nn->flags & NODE_EOS)
+ p->flags |= TERMP_SENTENCE;
+ if (nn->next)
p->flags |= TERMP_NOSPACE;
- print_node(p, nn, m);
- if (i % 2)
- p->flags &= ~TERMP_BOLD;
}
- return(0);
+
+ return 0;
}
+static int
+pre_B(DECL_ARGS)
+{
+
+ term_fontrepl(p, TERMFONT_BOLD);
+ return 1;
+}
-/* ARGSUSED */
static int
-pre_RI(DECL_ARGS)
+pre_OP(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if ( ! (i % 2))
- p->flags |= TERMP_UNDER;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_node(p, nn, m);
- if ( ! (i % 2))
- p->flags &= ~TERMP_UNDER;
+ term_word(p, "[");
+ p->flags |= TERMP_NOSPACE;
+
+ if (NULL != (n = n->child)) {
+ term_fontrepl(p, TERMFONT_BOLD);
+ term_word(p, n->string);
+ }
+ if (NULL != n && NULL != n->next) {
+ term_fontrepl(p, TERMFONT_UNDER);
+ term_word(p, n->next->string);
}
- return(0);
-}
+ term_fontrepl(p, TERMFONT_NONE);
+ p->flags |= TERMP_NOSPACE;
+ term_word(p, "]");
+ return 0;
+}
-/* ARGSUSED */
static int
-pre_BR(DECL_ARGS)
+pre_ft(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
+ const char *cp;
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if ( ! (i % 2))
- p->flags |= TERMP_BOLD;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_node(p, nn, m);
- if ( ! (i % 2))
- p->flags &= ~TERMP_BOLD;
+ if (NULL == n->child) {
+ term_fontlast(p);
+ return 0;
}
- return(0);
-}
+ cp = n->child->string;
+ switch (*cp) {
+ case '4':
+ case '3':
+ case 'B':
+ term_fontrepl(p, TERMFONT_BOLD);
+ break;
+ case '2':
+ case 'I':
+ term_fontrepl(p, TERMFONT_UNDER);
+ break;
+ case 'P':
+ term_fontlast(p);
+ break;
+ case '1':
+ case 'C':
+ case 'R':
+ term_fontrepl(p, TERMFONT_NONE);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
-/* ARGSUSED */
static int
-pre_BI(DECL_ARGS)
+pre_in(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
+ struct roffsu su;
+ const char *cp;
+ size_t v;
+ int less;
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- p->flags |= i % 2 ? TERMP_UNDER : TERMP_BOLD;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_node(p, nn, m);
- p->flags &= i % 2 ? ~TERMP_UNDER : ~TERMP_BOLD;
+ term_newln(p);
+
+ if (NULL == n->child) {
+ p->offset = mt->offset;
+ return 0;
}
- return(0);
-}
+ cp = n->child->string;
+ less = 0;
+
+ if ('-' == *cp)
+ less = -1;
+ else if ('+' == *cp)
+ less = 1;
+ else
+ cp--;
+
+ if ( ! a2roffsu(++cp, &su, SCALE_EN))
+ return 0;
+
+ v = (term_hspan(p, &su) + 11) / 24;
+
+ if (less < 0)
+ p->offset -= p->offset > v ? v : p->offset;
+ else if (less > 0)
+ p->offset += v;
+ else
+ p->offset = v;
+ if (p->offset > SHRT_MAX)
+ p->offset = term_len(p, p->defindent);
+
+ return 0;
+}
-/* ARGSUSED */
static int
-pre_B(DECL_ARGS)
+pre_sp(DECL_ARGS)
{
+ struct roffsu su;
+ int i, len;
+
+ if ((NULL == n->prev && n->parent)) {
+ switch (n->parent->tok) {
+ case MAN_SH:
+ case MAN_SS:
+ case MAN_PP:
+ case MAN_LP:
+ case MAN_P:
+ return 0;
+ default:
+ break;
+ }
+ }
- p->flags |= TERMP_BOLD;
- return(1);
-}
+ if (n->tok == MAN_br)
+ len = 0;
+ else if (n->child == NULL)
+ len = 1;
+ else {
+ if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
+ su.scale = 1.0;
+ len = term_vspan(p, &su);
+ }
+ if (len == 0)
+ term_newln(p);
+ else if (len < 0)
+ p->skipvsp -= len;
+ else
+ for (i = 0; i < len; i++)
+ term_vspace(p);
-/* ARGSUSED */
-static void
-post_B(DECL_ARGS)
-{
+ /*
+ * Handle an explicit break request in the same way
+ * as an overflowing line.
+ */
- p->flags &= ~TERMP_BOLD;
-}
+ if (p->flags & TERMP_BRIND) {
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+ }
+ return 0;
+}
-/* ARGSUSED */
static int
-pre_br(DECL_ARGS)
+pre_HP(DECL_ARGS)
{
+ struct roffsu su;
+ const struct roff_node *nn;
+ int len;
- term_newln(p);
- return(0);
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ print_bvspace(p, n, mt->pardist);
+ return 1;
+ case ROFFT_BODY:
+ break;
+ default:
+ return 0;
+ }
+
+ if ( ! (MANT_LITERAL & mt->fl)) {
+ p->flags |= TERMP_NOBREAK | TERMP_BRIND;
+ p->trailspace = 2;
+ }
+
+ /* Calculate offset. */
+
+ if ((nn = n->parent->head->child) != NULL &&
+ a2roffsu(nn->string, &su, SCALE_EN)) {
+ len = term_hspan(p, &su) / 24;
+ if (len < 0 && (size_t)(-len) > mt->offset)
+ len = -mt->offset;
+ else if (len > SHRT_MAX)
+ len = term_len(p, p->defindent);
+ mt->lmargin[mt->lmargincur] = len;
+ } else
+ len = mt->lmargin[mt->lmargincur];
+
+ p->offset = mt->offset;
+ p->rmargin = mt->offset + len;
+ return 1;
}
+static void
+post_HP(DECL_ARGS)
+{
+
+ switch (n->type) {
+ case ROFFT_BODY:
+ term_newln(p);
+
+ /*
+ * Compatibility with a groff bug.
+ * The .HP macro uses the undocumented .tag request
+ * which causes a line break and cancels no-space
+ * mode even if there isn't any output.
+ */
+
+ if (n->child == NULL)
+ term_vspace(p);
+
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+ p->trailspace = 0;
+ p->offset = mt->offset;
+ p->rmargin = p->maxrmargin;
+ break;
+ default:
+ break;
+ }
+}
-/* ARGSUSED */
static int
pre_PP(DECL_ARGS)
{
- term_vspace(p);
- p->offset = INDENT;
- return(0);
-}
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
+ print_bvspace(p, n, mt->pardist);
+ break;
+ default:
+ p->offset = mt->offset;
+ break;
+ }
+ return n->type != ROFFT_HEAD;
+}
-/* ARGSUSED */
static int
pre_IP(DECL_ARGS)
{
-#if 0
- const struct man_node *nn;
- size_t offs;
-#endif
+ struct roffsu su;
+ const struct roff_node *nn;
+ int len, savelit;
- term_vspace(p);
- p->offset = INDENT;
-
-#if 0
- if (NULL == (nn = n->child))
- return(1);
- if (MAN_TEXT != nn->type)
- errx(1, "expected text line argument");
-
- if (nn->next) {
- if (MAN_TEXT != nn->next->type)
- errx(1, "expected text line argument");
- offs = (size_t)atoi(nn->next->string);
+ switch (n->type) {
+ case ROFFT_BODY:
+ p->flags |= TERMP_NOSPACE;
+ break;
+ case ROFFT_HEAD:
+ p->flags |= TERMP_NOBREAK;
+ p->trailspace = 1;
+ break;
+ case ROFFT_BLOCK:
+ print_bvspace(p, n, mt->pardist);
+ /* FALLTHROUGH */
+ default:
+ return 1;
+ }
+
+ /* Calculate the offset from the optional second argument. */
+ if ((nn = n->parent->head->child) != NULL &&
+ (nn = nn->next) != NULL &&
+ a2roffsu(nn->string, &su, SCALE_EN)) {
+ len = term_hspan(p, &su) / 24;
+ if (len < 0 && (size_t)(-len) > mt->offset)
+ len = -mt->offset;
+ else if (len > SHRT_MAX)
+ len = term_len(p, p->defindent);
+ mt->lmargin[mt->lmargincur] = len;
} else
- offs = strlen(nn->string);
+ len = mt->lmargin[mt->lmargincur];
- p->flags |= TERMP_NOSPACE;
- /* FIXME */
- if ((p->offset += offs) > p->rmargin)
- errx(1, "line too long");
-#endif
+ switch (n->type) {
+ case ROFFT_HEAD:
+ p->offset = mt->offset;
+ p->rmargin = mt->offset + len;
+
+ savelit = MANT_LITERAL & mt->fl;
+ mt->fl &= ~MANT_LITERAL;
+
+ if (n->child)
+ print_man_node(p, mt, n->child, meta);
+
+ if (savelit)
+ mt->fl |= MANT_LITERAL;
+
+ return 0;
+ case ROFFT_BODY:
+ p->offset = mt->offset + len;
+ p->rmargin = p->maxrmargin;
+ break;
+ default:
+ break;
+ }
- return(0);
+ return 1;
}
+static void
+post_IP(DECL_ARGS)
+{
+
+ switch (n->type) {
+ case ROFFT_HEAD:
+ term_flushln(p);
+ p->flags &= ~TERMP_NOBREAK;
+ p->trailspace = 0;
+ p->rmargin = p->maxrmargin;
+ break;
+ case ROFFT_BODY:
+ term_newln(p);
+ p->offset = mt->offset;
+ break;
+ default:
+ break;
+ }
+}
-/* ARGSUSED */
static int
pre_TP(DECL_ARGS)
{
- const struct man_node *nn;
- size_t offs;
+ struct roffsu su;
+ struct roff_node *nn;
+ int len, savelit;
- term_vspace(p);
+ switch (n->type) {
+ case ROFFT_HEAD:
+ p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
+ p->trailspace = 1;
+ break;
+ case ROFFT_BODY:
+ p->flags |= TERMP_NOSPACE;
+ break;
+ case ROFFT_BLOCK:
+ print_bvspace(p, n, mt->pardist);
+ /* FALLTHROUGH */
+ default:
+ return 1;
+ }
- p->offset = INDENT;
+ /* Calculate offset. */
+
+ if ((nn = n->parent->head->child) != NULL &&
+ nn->string != NULL && ! (NODE_LINE & nn->flags) &&
+ a2roffsu(nn->string, &su, SCALE_EN)) {
+ len = term_hspan(p, &su) / 24;
+ if (len < 0 && (size_t)(-len) > mt->offset)
+ len = -mt->offset;
+ else if (len > SHRT_MAX)
+ len = term_len(p, p->defindent);
+ mt->lmargin[mt->lmargincur] = len;
+ } else
+ len = mt->lmargin[mt->lmargincur];
- if (NULL == (nn = n->child))
- return(1);
+ switch (n->type) {
+ case ROFFT_HEAD:
+ p->offset = mt->offset;
+ p->rmargin = mt->offset + len;
- if (nn->line == n->line) {
- if (MAN_TEXT != nn->type)
- errx(1, "expected text line argument");
- offs = (size_t)atoi(nn->string);
- nn = nn->next;
- } else
- offs = INDENT;
+ savelit = MANT_LITERAL & mt->fl;
+ mt->fl &= ~MANT_LITERAL;
- for ( ; nn; nn = nn->next)
- print_node(p, nn, m);
+ /* Don't print same-line elements. */
+ nn = n->child;
+ while (NULL != nn && 0 == (NODE_LINE & nn->flags))
+ nn = nn->next;
- term_flushln(p);
- p->flags |= TERMP_NOSPACE;
- p->offset += offs;
- return(0);
+ while (NULL != nn) {
+ print_man_node(p, mt, nn, meta);
+ nn = nn->next;
+ }
+
+ if (savelit)
+ mt->fl |= MANT_LITERAL;
+ return 0;
+ case ROFFT_BODY:
+ p->offset = mt->offset + len;
+ p->rmargin = p->maxrmargin;
+ p->trailspace = 0;
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
+ break;
+ default:
+ break;
+ }
+
+ return 1;
}
+static void
+post_TP(DECL_ARGS)
+{
+
+ switch (n->type) {
+ case ROFFT_HEAD:
+ term_flushln(p);
+ break;
+ case ROFFT_BODY:
+ term_newln(p);
+ p->offset = mt->offset;
+ break;
+ default:
+ break;
+ }
+}
-/* ARGSUSED */
static int
pre_SS(DECL_ARGS)
{
+ int i;
- term_vspace(p);
- p->flags |= TERMP_BOLD;
- return(1);
-}
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ mt->fl &= ~MANT_LITERAL;
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
+ mt->offset = term_len(p, p->defindent);
+
+ /*
+ * No vertical space before the first subsection
+ * and after an empty subsection.
+ */
+ do {
+ n = n->prev;
+ } while (n != NULL && n->tok != TOKEN_NONE &&
+ termacts[n->tok].flags & MAN_NOTEXT);
+ if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
+ break;
+
+ for (i = 0; i < mt->pardist; i++)
+ term_vspace(p);
+ break;
+ case ROFFT_HEAD:
+ term_fontrepl(p, TERMFONT_BOLD);
+ p->offset = term_len(p, 3);
+ p->rmargin = mt->offset;
+ p->trailspace = mt->offset;
+ p->flags |= TERMP_NOBREAK | TERMP_BRIND;
+ break;
+ case ROFFT_BODY:
+ p->offset = mt->offset;
+ p->rmargin = p->maxrmargin;
+ p->trailspace = 0;
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+ break;
+ default:
+ break;
+ }
+
+ return 1;
+}
-/* ARGSUSED */
static void
post_SS(DECL_ARGS)
{
-
- term_flushln(p);
- p->flags &= ~TERMP_BOLD;
- p->flags |= TERMP_NOSPACE;
-}
+ switch (n->type) {
+ case ROFFT_HEAD:
+ term_newln(p);
+ break;
+ case ROFFT_BODY:
+ term_newln(p);
+ break;
+ default:
+ break;
+ }
+}
-/* ARGSUSED */
static int
pre_SH(DECL_ARGS)
{
+ int i;
- term_vspace(p);
- p->offset = 0;
- p->flags |= TERMP_BOLD;
- return(1);
-}
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ mt->fl &= ~MANT_LITERAL;
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
+ mt->offset = term_len(p, p->defindent);
+
+ /*
+ * No vertical space before the first section
+ * and after an empty section.
+ */
+
+ do {
+ n = n->prev;
+ } while (n != NULL && n->tok != TOKEN_NONE &&
+ termacts[n->tok].flags & MAN_NOTEXT);
+ if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
+ break;
+
+ for (i = 0; i < mt->pardist; i++)
+ term_vspace(p);
+ break;
+ case ROFFT_HEAD:
+ term_fontrepl(p, TERMFONT_BOLD);
+ p->offset = 0;
+ p->rmargin = mt->offset;
+ p->trailspace = mt->offset;
+ p->flags |= TERMP_NOBREAK | TERMP_BRIND;
+ break;
+ case ROFFT_BODY:
+ p->offset = mt->offset;
+ p->rmargin = p->maxrmargin;
+ p->trailspace = 0;
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
+ break;
+ default:
+ break;
+ }
+ return 1;
+}
-/* ARGSUSED */
static void
post_SH(DECL_ARGS)
{
-
- term_flushln(p);
- p->offset = INDENT;
- p->flags &= ~TERMP_BOLD;
- p->flags |= TERMP_NOSPACE;
+
+ switch (n->type) {
+ case ROFFT_HEAD:
+ term_newln(p);
+ break;
+ case ROFFT_BODY:
+ term_newln(p);
+ break;
+ default:
+ break;
+ }
}
+static int
+pre_RS(DECL_ARGS)
+{
+ struct roffsu su;
+
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ term_newln(p);
+ return 1;
+ case ROFFT_HEAD:
+ return 0;
+ default:
+ break;
+ }
+
+ n = n->parent->head;
+ n->aux = SHRT_MAX + 1;
+ if (n->child == NULL)
+ n->aux = mt->lmargin[mt->lmargincur];
+ else if (a2roffsu(n->child->string, &su, SCALE_EN))
+ n->aux = term_hspan(p, &su) / 24;
+ if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
+ n->aux = -mt->offset;
+ else if (n->aux > SHRT_MAX)
+ n->aux = term_len(p, p->defindent);
+
+ mt->offset += n->aux;
+ p->offset = mt->offset;
+ p->rmargin = p->maxrmargin;
+
+ if (++mt->lmarginsz < MAXMARGINS)
+ mt->lmargincur = mt->lmarginsz;
+
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
+ return 1;
+}
static void
-print_node(DECL_ARGS)
+post_RS(DECL_ARGS)
{
- int c, sz;
-
- c = 1;
switch (n->type) {
- case(MAN_ELEM):
- if (termacts[n->tok].pre)
- c = (*termacts[n->tok].pre)(p, n, m);
+ case ROFFT_BLOCK:
+ return;
+ case ROFFT_HEAD:
+ return;
+ default:
+ term_newln(p);
break;
- case(MAN_TEXT):
- if (0 == *n->string) {
- term_vspace(p);
- break;
- }
+ }
+
+ mt->offset -= n->parent->head->aux;
+ p->offset = mt->offset;
+
+ if (--mt->lmarginsz < MAXMARGINS)
+ mt->lmargincur = mt->lmarginsz;
+}
+
+static int
+pre_UR(DECL_ARGS)
+{
+
+ return n->type != ROFFT_HEAD;
+}
+
+static void
+post_UR(DECL_ARGS)
+{
+
+ if (n->type != ROFFT_BLOCK)
+ return;
+
+ term_word(p, "<");
+ p->flags |= TERMP_NOSPACE;
+
+ if (NULL != n->child->child)
+ print_man_node(p, mt, n->child->child, meta);
+
+ p->flags |= TERMP_NOSPACE;
+ term_word(p, ">");
+}
+
+static void
+print_man_node(DECL_ARGS)
+{
+ size_t rm, rmax;
+ int c;
+
+ switch (n->type) {
+ case ROFFT_TEXT:
/*
- * Note! This is hacky. Here, we recognise the `\c'
- * escape embedded in so many -man pages. It's supposed
- * to remove the subsequent space, so we mark NOSPACE if
- * it's encountered in the string.
+ * If we have a blank line, output a vertical space.
+ * If we have a space as the first character, break
+ * before printing the line's data.
*/
- sz = (int)strlen(n->string);
+ if ('\0' == *n->string) {
+ term_vspace(p);
+ return;
+ } else if (' ' == *n->string && NODE_LINE & n->flags)
+ term_newln(p);
+
term_word(p, n->string);
- if (sz >= 2 && n->string[sz - 1] == 'c' &&
- n->string[sz - 2] == '\\')
+ goto out;
+
+ case ROFFT_EQN:
+ if ( ! (n->flags & NODE_LINE))
p->flags |= TERMP_NOSPACE;
- break;
+ term_eqn(p, n->eqn);
+ if (n->next != NULL && ! (n->next->flags & NODE_LINE))
+ p->flags |= TERMP_NOSPACE;
+ return;
+ case ROFFT_TBL:
+ if (p->tbl.cols == NULL)
+ term_vspace(p);
+ term_tbl(p, n->span);
+ return;
default:
break;
}
- if (c && n->child)
- print_body(p, n->child, m);
+ if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ term_fontrepl(p, TERMFONT_NONE);
- switch (n->type) {
- case (MAN_ELEM):
- if (termacts[n->tok].post)
- (*termacts[n->tok].post)(p, n, m);
- break;
- default:
- break;
+ c = 1;
+ if (termacts[n->tok].pre)
+ c = (*termacts[n->tok].pre)(p, mt, n, meta);
+
+ if (c && n->child)
+ print_man_nodelist(p, mt, n->child, meta);
+
+ if (termacts[n->tok].post)
+ (*termacts[n->tok].post)(p, mt, n, meta);
+ if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ term_fontrepl(p, TERMFONT_NONE);
+
+out:
+ /*
+ * If we're in a literal context, make sure that words
+ * together on the same line stay together. This is a
+ * POST-printing call, so we check the NEXT word. Since
+ * -man doesn't have nested macros, we don't need to be
+ * more specific than this.
+ */
+ if (mt->fl & MANT_LITERAL &&
+ ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
+ (n->next == NULL || n->next->flags & NODE_LINE)) {
+ rm = p->rmargin;
+ rmax = p->maxrmargin;
+ p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
+ p->flags |= TERMP_NOSPACE;
+ if (n->string != NULL && *n->string != '\0')
+ term_flushln(p);
+ else
+ term_newln(p);
+ if (rm < rmax && n->parent->tok == MAN_HP) {
+ p->offset = rm;
+ p->rmargin = rmax;
+ } else
+ p->rmargin = rm;
+ p->maxrmargin = rmax;
}
+ if (NODE_EOS & n->flags)
+ p->flags |= TERMP_SENTENCE;
}
static void
-print_body(DECL_ARGS)
+print_man_nodelist(DECL_ARGS)
{
- print_node(p, n, m);
- if ( ! n->next)
- return;
- print_body(p, n->next, m);
-}
+ while (n != NULL) {
+ print_man_node(p, mt, n, meta);
+ n = n->next;
+ }
+}
static void
-print_foot(struct termp *p, const struct man_meta *meta)
+print_man_foot(struct termp *p, const struct roff_meta *meta)
{
- struct tm *tm;
- char *buf;
+ char *title;
+ size_t datelen, titlen;
- if (NULL == (buf = malloc(p->rmargin)))
- err(1, "malloc");
+ assert(meta->title);
+ assert(meta->msec);
+ assert(meta->date);
- tm = localtime(&meta->date);
+ term_fontrepl(p, TERMFONT_NONE);
- if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
- err(1, "strftime");
+ if (meta->hasbody)
+ term_vspace(p);
- term_vspace(p);
+ /*
+ * Temporary, undocumented option to imitate mdoc(7) output.
+ * In the bottom right corner, use the operating system
+ * instead of the title.
+ */
+
+ if ( ! p->mdocstyle) {
+ if (meta->hasbody) {
+ term_vspace(p);
+ term_vspace(p);
+ }
+ mandoc_asprintf(&title, "%s(%s)",
+ meta->title, meta->msec);
+ } else if (meta->os) {
+ title = mandoc_strdup(meta->os);
+ } else {
+ title = mandoc_strdup("");
+ }
+ datelen = term_strlen(p, meta->date);
+
+ /* Bottom left corner: operating system. */
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
- p->rmargin = p->maxrmargin - strlen(buf);
+ p->trailspace = 1;
p->offset = 0;
+ p->rmargin = p->maxrmargin > datelen ?
+ (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
- if (meta->source)
- term_word(p, meta->source);
- if (meta->source)
- term_word(p, "");
+ if (meta->os)
+ term_word(p, meta->os);
term_flushln(p);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ /* At the bottom in the middle: manual date. */
+
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
- p->flags &= ~TERMP_NOBREAK;
+ titlen = term_strlen(p, title);
+ p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
+ p->flags |= TERMP_NOSPACE;
- term_word(p, buf);
+ term_word(p, meta->date);
term_flushln(p);
- free(buf);
-}
+ /* Bottom right corner: manual title and section. */
+ p->flags &= ~TERMP_NOBREAK;
+ p->flags |= TERMP_NOSPACE;
+ p->trailspace = 0;
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
+
+ term_word(p, title);
+ term_flushln(p);
+ free(title);
+}
static void
-print_head(struct termp *p, const struct man_meta *meta)
+print_man_head(struct termp *p, const struct roff_meta *meta)
{
- char *buf, *title;
+ const char *volume;
+ char *title;
+ size_t vollen, titlen;
- p->rmargin = p->maxrmargin;
- p->offset = 0;
+ assert(meta->title);
+ assert(meta->msec);
- if (NULL == (buf = malloc(p->rmargin)))
- err(1, "malloc");
- if (NULL == (title = malloc(p->rmargin)))
- err(1, "malloc");
+ volume = NULL == meta->vol ? "" : meta->vol;
+ vollen = term_strlen(p, volume);
- if (meta->vol)
- (void)strlcpy(buf, meta->vol, p->rmargin);
- else
- *buf = 0;
+ /* Top left corner: manual title and section. */
- (void)snprintf(title, p->rmargin, "%s(%d)",
- meta->title, meta->msec);
+ mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
+ titlen = term_strlen(p, title);
- p->offset = 0;
- p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
+ p->trailspace = 1;
+ p->offset = 0;
+ p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
+ (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
+ vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
term_word(p, title);
term_flushln(p);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ /* At the top in the middle: manual volume. */
+
+ p->flags |= TERMP_NOSPACE;
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin - strlen(title);
+ p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
+ p->maxrmargin - titlen : p->maxrmargin;
- term_word(p, buf);
+ term_word(p, volume);
term_flushln(p);
- p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
- p->flags &= ~TERMP_NOBREAK;
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ /* Top right corner: title and section, again. */
- term_word(p, title);
- term_flushln(p);
+ p->flags &= ~TERMP_NOBREAK;
+ p->trailspace = 0;
+ if (p->rmargin + titlen <= p->maxrmargin) {
+ p->flags |= TERMP_NOSPACE;
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
+ term_word(p, title);
+ term_flushln(p);
+ }
- p->rmargin = p->maxrmargin;
- p->offset = 0;
p->flags &= ~TERMP_NOSPACE;
+ p->offset = 0;
+ p->rmargin = p->maxrmargin;
+
+ /*
+ * Groff prints three blank lines before the content.
+ * Do the same, except in the temporary, undocumented
+ * mode imitating mdoc(7) output.
+ */
+ term_vspace(p);
+ if ( ! p->mdocstyle) {
+ term_vspace(p);
+ term_vspace(p);
+ }
free(title);
- free(buf);
}
-
git.ckatri.com / mandoc.git / blobdiff