-/* $Id: man_term.c,v 1.2 2009/03/26 14:44:41 kristaps Exp $ */
+/* $Id: man_term.c,v 1.86 2010/12/05 16:14:16 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
*
* 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.
+ * 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.
+ * 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.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/types.h>
+
#include <assert.h>
-#include <err.h>
+#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "term.h"
+#include "mandoc.h"
+#include "out.h"
#include "man.h"
-
-#ifdef __linux__
-extern size_t strlcpy(char *, const char *, size_t);
-extern size_t strlcat(char *, const char *, size_t);
-#endif
+#include "term.h"
+#include "chars.h"
+#include "main.h"
+
+#define INDENT 7
+#define HALFINDENT 3
+
+/* FIXME: have PD set the default vspace width. */
+
+struct mtermp {
+ int fl;
+#define MANT_LITERAL (1 << 0)
+ /*
+ * Default amount to indent the left margin after leading text
+ * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
+ * indent). This needs to be saved because `HP' and so on, if
+ * not having a specified value, must default.
+ *
+ * Note that this is the indentation AFTER the left offset, so
+ * the total offset is usually offset + lmargin.
+ */
+ size_t lmargin;
+ /*
+ * The default offset, i.e., the amount between any text and the
+ * page boundary.
+ */
+ size_t offset;
+};
#define DECL_ARGS struct termp *p, \
+ struct mtermp *mt, \
const struct man_node *n, \
const struct man_meta *m
struct termact {
int (*pre)(DECL_ARGS);
void (*post)(DECL_ARGS);
+ int flags;
+#define MAN_NOTEXT (1 << 0) /* Never has text children. */
};
+static int a2width(const struct termp *, const char *);
+static size_t a2height(const struct termp *, const char *);
+
+static void print_man_nodelist(DECL_ARGS);
+static void print_man_node(DECL_ARGS);
+static void print_man_head(struct termp *, const void *);
+static void print_man_foot(struct termp *, const void *);
+static void print_bvspace(struct termp *,
+ const struct man_node *);
+
static int pre_B(DECL_ARGS);
+static int pre_BI(DECL_ARGS);
+static int pre_HP(DECL_ARGS);
static int pre_I(DECL_ARGS);
+static int pre_IP(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_ign(DECL_ARGS);
+static int pre_in(DECL_ARGS);
+static int pre_literal(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] = {
- { 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 post_TP(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_BI, NULL, 0 }, /* BI */
+ { pre_BI, NULL, 0 }, /* IB */
+ { pre_RB, NULL, 0 }, /* BR */
+ { pre_RB, NULL, 0 }, /* RB */
+ { NULL, NULL, 0 }, /* R */
+ { pre_B, NULL, 0 }, /* B */
+ { pre_I, NULL, 0 }, /* I */
+ { pre_RI, NULL, 0 }, /* IR */
+ { pre_RI, NULL, 0 }, /* RI */
+ { NULL, NULL, MAN_NOTEXT }, /* na */
+ { pre_I, NULL, 0 }, /* i */
+ { pre_sp, NULL, MAN_NOTEXT }, /* sp */
+ { pre_literal, NULL, 0 }, /* nf */
+ { pre_literal, NULL, 0 }, /* fi */
+ { NULL, NULL, 0 }, /* r */
+ { NULL, NULL, 0 }, /* RE */
+ { pre_RS, post_RS, 0 }, /* RS */
+ { pre_ign, NULL, 0 }, /* DT */
+ { pre_ign, NULL, 0 }, /* UC */
+ { pre_ign, NULL, 0 }, /* PD */
+ { pre_ign, NULL, 0 }, /* AT */
+ { pre_in, NULL, MAN_NOTEXT }, /* in */
};
-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)
+void
+terminal_man(void *arg, const struct man *man)
{
+ struct termp *p;
+ const struct man_node *n;
+ const struct man_meta *m;
+ struct mtermp mt;
+
+ p = (struct termp *)arg;
+
+ p->overstep = 0;
+ p->maxrmargin = p->defrmargin;
+ p->tabwidth = term_len(p, 5);
+
+ if (NULL == p->symtab)
+ switch (p->enc) {
+ case (TERMENC_ASCII):
+ p->symtab = chars_init(CHARS_ASCII);
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
+
+ n = man_node(man);
+ m = man_meta(man);
- print_head(p, man_meta(m));
+ term_begin(p, print_man_head, print_man_foot, m);
p->flags |= TERMP_NOSPACE;
- print_body(p, man_node(m), man_meta(m));
- print_foot(p, man_meta(m));
- return(1);
+ mt.fl = 0;
+ mt.lmargin = term_len(p, INDENT);
+ mt.offset = term_len(p, INDENT);
+
+ if (n->child)
+ print_man_nodelist(p, &mt, n->child, m);
+
+ term_end(p);
+}
+
+
+static size_t
+a2height(const struct termp *p, const char *cp)
+{
+ struct roffsu su;
+
+ if ( ! a2roffsu(cp, &su, SCALE_VS))
+ SCALE_VS_INIT(&su, term_strlen(p, cp));
+
+ return(term_vspan(p, &su));
}
+static int
+a2width(const struct termp *p, const char *cp)
+{
+ struct roffsu su;
+
+ if ( ! a2roffsu(cp, &su, SCALE_BU))
+ return(-1);
+
+ return((int)term_hspan(p, &su));
+}
+
+
+static void
+print_bvspace(struct termp *p, const struct man_node *n)
+{
+ term_newln(p);
+
+ if (NULL == n->prev)
+ return;
+
+ if (MAN_SS == n->prev->tok)
+ return;
+ if (MAN_SH == n->prev->tok)
+ return;
+
+ term_vspace(p);
+}
+
+
+/* ARGSUSED */
+static int
+pre_ign(DECL_ARGS)
+{
+
+ return(0);
+}
+
+
+/* ARGSUSED */
static int
pre_I(DECL_ARGS)
{
- p->flags |= TERMP_UNDER;
+ term_fontrepl(p, TERMFONT_UNDER);
return(1);
}
-static void
-post_I(DECL_ARGS)
+/* ARGSUSED */
+static int
+pre_literal(DECL_ARGS)
{
- p->flags &= ~TERMP_UNDER;
+ term_newln(p);
+ switch (n->tok) {
+ case (MAN_nf):
+ mt->fl |= MANT_LITERAL;
+ break;
+ default:
+ mt->fl &= ~MANT_LITERAL;
+ break;
+ }
+
+ return(1);
+}
+
+
+
+/* ARGSUSED */
+static int
+pre_RB(DECL_ARGS)
+{
+ const struct man_node *nn;
+ int i;
+
+ for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
+ if (i % 2 && MAN_RB == n->tok)
+ term_fontrepl(p, TERMFONT_BOLD);
+ else if ( ! (i % 2) && MAN_RB != n->tok)
+ term_fontrepl(p, TERMFONT_BOLD);
+ else
+ term_fontrepl(p, TERMFONT_NONE);
+
+ if (i > 0)
+ p->flags |= TERMP_NOSPACE;
+
+ print_man_node(p, mt, nn, m);
+ }
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+pre_RI(DECL_ARGS)
+{
+ const struct man_node *nn;
+ int i;
+
+ for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
+ if (i % 2 && MAN_RI == n->tok)
+ term_fontrepl(p, TERMFONT_UNDER);
+ else if ( ! (i % 2) && MAN_RI != n->tok)
+ term_fontrepl(p, TERMFONT_UNDER);
+ else
+ term_fontrepl(p, TERMFONT_NONE);
+
+ if (i > 0)
+ p->flags |= TERMP_NOSPACE;
+
+ print_man_node(p, mt, nn, m);
+ }
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+pre_BI(DECL_ARGS)
+{
+ const struct man_node *nn;
+ int i;
+
+ for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
+ if (i % 2 && MAN_BI == n->tok)
+ term_fontrepl(p, TERMFONT_UNDER);
+ else if (i % 2)
+ term_fontrepl(p, TERMFONT_BOLD);
+ else if (MAN_BI == n->tok)
+ term_fontrepl(p, TERMFONT_BOLD);
+ else
+ term_fontrepl(p, TERMFONT_UNDER);
+
+ if (i)
+ p->flags |= TERMP_NOSPACE;
+
+ print_man_node(p, mt, nn, m);
+ }
+ return(0);
}
+/* ARGSUSED */
static int
pre_B(DECL_ARGS)
{
- p->flags |= TERMP_BOLD;
+ term_fontrepl(p, TERMFONT_BOLD);
return(1);
}
+/* ARGSUSED */
+static int
+pre_in(DECL_ARGS)
+{
+ int len, less;
+ size_t v;
+ const char *cp;
+
+ term_newln(p);
+
+ if (NULL == n->child) {
+ p->offset = mt->offset;
+ return(0);
+ }
+
+ cp = n->child->string;
+ less = 0;
+
+ if ('-' == *cp)
+ less = -1;
+ else if ('+' == *cp)
+ less = 1;
+ else
+ cp--;
+
+ if ((len = a2width(p, ++cp)) < 0)
+ return(0);
+
+ v = (size_t)len;
+
+ if (less < 0)
+ p->offset -= p->offset > v ? v : p->offset;
+ else if (less > 0)
+ p->offset += v;
+ else
+ p->offset = v;
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+pre_sp(DECL_ARGS)
+{
+ size_t i, len;
+
+ switch (n->tok) {
+ case (MAN_br):
+ len = 0;
+ break;
+ default:
+ len = n->child ? a2height(p, n->child->string) : 1;
+ break;
+ }
+
+ if (0 == len)
+ term_newln(p);
+ for (i = 0; i < len; i++)
+ term_vspace(p);
+
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+pre_HP(DECL_ARGS)
+{
+ size_t len;
+ int ival;
+ const struct man_node *nn;
+
+ switch (n->type) {
+ case (MAN_BLOCK):
+ print_bvspace(p, n);
+ return(1);
+ case (MAN_BODY):
+ p->flags |= TERMP_NOBREAK;
+ p->flags |= TERMP_TWOSPACE;
+ break;
+ default:
+ return(0);
+ }
+
+ len = mt->lmargin;
+ ival = -1;
+
+ /* Calculate offset. */
+
+ if (NULL != (nn = n->parent->head->child))
+ if ((ival = a2width(p, nn->string)) >= 0)
+ len = (size_t)ival;
+
+ if (0 == len)
+ len = term_len(p, 1);
+
+ p->offset = mt->offset;
+ p->rmargin = mt->offset + len;
+
+ if (ival >= 0)
+ mt->lmargin = (size_t)ival;
+
+ return(1);
+}
+
+
+/* ARGSUSED */
static void
-post_B(DECL_ARGS)
+post_HP(DECL_ARGS)
{
- p->flags &= ~TERMP_BOLD;
+ switch (n->type) {
+ case (MAN_BLOCK):
+ term_flushln(p);
+ break;
+ case (MAN_BODY):
+ term_flushln(p);
+ p->flags &= ~TERMP_NOBREAK;
+ p->flags &= ~TERMP_TWOSPACE;
+ 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 (MAN_BLOCK):
+ mt->lmargin = term_len(p, INDENT);
+ print_bvspace(p, n);
+ break;
+ default:
+ p->offset = mt->offset;
+ break;
+ }
+
+ return(1);
}
+/* ARGSUSED */
static int
-pre_TP(DECL_ARGS)
+pre_IP(DECL_ARGS)
{
- const struct man_node *nn;
- size_t offs;
+ const struct man_node *nn;
+ size_t len;
+ int ival;
- term_vspace(p);
- p->offset = INDENT;
+ switch (n->type) {
+ case (MAN_BODY):
+ p->flags |= TERMP_NOLPAD;
+ p->flags |= TERMP_NOSPACE;
+ break;
+ case (MAN_HEAD):
+ p->flags |= TERMP_NOBREAK;
+ break;
+ case (MAN_BLOCK):
+ print_bvspace(p, n);
+ /* FALLTHROUGH */
+ default:
+ return(1);
+ }
+
+ len = mt->lmargin;
+ ival = -1;
- if (NULL == (nn = n->child))
+ /* Calculate offset. */
+
+ if (NULL != (nn = n->parent->head->child))
+ if (NULL != (nn = nn->next)) {
+ for ( ; nn->next; nn = nn->next)
+ /* Do nothing. */ ;
+ if ((ival = a2width(p, nn->string)) >= 0)
+ len = (size_t)ival;
+ }
+
+ switch (n->type) {
+ case (MAN_HEAD):
+ /* Handle zero-width lengths. */
+ if (0 == len)
+ len = term_len(p, 1);
+
+ p->offset = mt->offset;
+ p->rmargin = mt->offset + len;
+ if (ival < 0)
+ break;
+
+ /* Set the saved left-margin. */
+ mt->lmargin = (size_t)ival;
+
+ /* Don't print the length value. */
+ for (nn = n->child; nn->next; nn = nn->next)
+ print_man_node(p, mt, nn, m);
+ return(0);
+ case (MAN_BODY):
+ p->offset = mt->offset + len;
+ p->rmargin = p->maxrmargin;
+ break;
+ default:
+ break;
+ }
+
+ return(1);
+}
+
+
+/* ARGSUSED */
+static void
+post_IP(DECL_ARGS)
+{
+
+ switch (n->type) {
+ case (MAN_HEAD):
+ term_flushln(p);
+ p->flags &= ~TERMP_NOBREAK;
+ p->rmargin = p->maxrmargin;
+ break;
+ case (MAN_BODY):
+ term_flushln(p);
+ p->flags &= ~TERMP_NOLPAD;
+ break;
+ default:
+ break;
+ }
+}
+
+
+/* ARGSUSED */
+static int
+pre_TP(DECL_ARGS)
+{
+ const struct man_node *nn;
+ size_t len;
+ int ival;
+
+ switch (n->type) {
+ case (MAN_HEAD):
+ p->flags |= TERMP_NOBREAK;
+ p->flags |= TERMP_TWOSPACE;
+ break;
+ case (MAN_BODY):
+ p->flags |= TERMP_NOLPAD;
+ p->flags |= TERMP_NOSPACE;
+ break;
+ case (MAN_BLOCK):
+ print_bvspace(p, n);
+ /* FALLTHROUGH */
+ default:
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;
+ len = (size_t)mt->lmargin;
+ ival = -1;
- for ( ; nn; nn = nn->next)
- print_node(p, nn, m);
+ /* Calculate offset. */
- term_flushln(p);
- p->flags |= TERMP_NOSPACE;
- p->offset += offs;
- return(0);
+ if (NULL != (nn = n->parent->head->child)) {
+ while (nn && MAN_TEXT != nn->type)
+ nn = nn->next;
+ if (nn && nn->next)
+ if ((ival = a2width(p, nn->string)) >= 0)
+ len = (size_t)ival;
+ }
+
+ switch (n->type) {
+ case (MAN_HEAD):
+ /* Handle zero-length properly. */
+ if (0 == len)
+ len = term_len(p, 1);
+
+ p->offset = mt->offset;
+ p->rmargin = mt->offset + len;
+
+ /* Don't print same-line elements. */
+ for (nn = n->child; nn; nn = nn->next)
+ if (nn->line > n->line)
+ print_man_node(p, mt, nn, m);
+
+ if (ival >= 0)
+ mt->lmargin = (size_t)ival;
+
+ return(0);
+ case (MAN_BODY):
+ p->offset = mt->offset + len;
+ p->rmargin = p->maxrmargin;
+ break;
+ default:
+ break;
+ }
+
+ return(1);
}
+/* ARGSUSED */
+static void
+post_TP(DECL_ARGS)
+{
+
+ switch (n->type) {
+ case (MAN_HEAD):
+ term_flushln(p);
+ p->flags &= ~TERMP_NOBREAK;
+ p->flags &= ~TERMP_TWOSPACE;
+ p->rmargin = p->maxrmargin;
+ break;
+ case (MAN_BODY):
+ term_flushln(p);
+ p->flags &= ~TERMP_NOLPAD;
+ break;
+ default:
+ break;
+ }
+}
+
+
+/* ARGSUSED */
static int
pre_SS(DECL_ARGS)
{
- term_vspace(p);
- p->flags |= TERMP_BOLD;
+ switch (n->type) {
+ case (MAN_BLOCK):
+ mt->lmargin = term_len(p, INDENT);
+ mt->offset = term_len(p, INDENT);
+ /* If following a prior empty `SS', no vspace. */
+ if (n->prev && MAN_SS == n->prev->tok)
+ if (NULL == n->prev->body->child)
+ break;
+ if (NULL == n->prev)
+ break;
+ term_vspace(p);
+ break;
+ case (MAN_HEAD):
+ term_fontrepl(p, TERMFONT_BOLD);
+ p->offset = term_len(p, HALFINDENT);
+ break;
+ case (MAN_BODY):
+ p->offset = mt->offset;
+ 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 (MAN_HEAD):
+ term_newln(p);
+ break;
+ case (MAN_BODY):
+ term_newln(p);
+ break;
+ default:
+ break;
+ }
}
+/* ARGSUSED */
static int
pre_SH(DECL_ARGS)
{
- term_vspace(p);
- p->offset = 0;
- p->flags |= TERMP_BOLD;
+ switch (n->type) {
+ case (MAN_BLOCK):
+ mt->lmargin = term_len(p, INDENT);
+ mt->offset = term_len(p, INDENT);
+ /* If following a prior empty `SH', no vspace. */
+ if (n->prev && MAN_SH == n->prev->tok)
+ if (NULL == n->prev->body->child)
+ break;
+ /* If the first macro, no vspae. */
+ if (NULL == n->prev)
+ break;
+ term_vspace(p);
+ break;
+ case (MAN_HEAD):
+ term_fontrepl(p, TERMFONT_BOLD);
+ p->offset = 0;
+ break;
+ case (MAN_BODY):
+ p->offset = mt->offset;
+ 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 (MAN_HEAD):
+ term_newln(p);
+ break;
+ case (MAN_BODY):
+ term_newln(p);
+ break;
+ default:
+ break;
+ }
}
+/* ARGSUSED */
+static int
+pre_RS(DECL_ARGS)
+{
+ const struct man_node *nn;
+ int ival;
+
+ switch (n->type) {
+ case (MAN_BLOCK):
+ term_newln(p);
+ return(1);
+ case (MAN_HEAD):
+ return(0);
+ default:
+ break;
+ }
+
+ if (NULL == (nn = n->parent->head->child)) {
+ mt->offset = mt->lmargin + term_len(p, INDENT);
+ p->offset = mt->offset;
+ return(1);
+ }
+
+ if ((ival = a2width(p, nn->string)) < 0)
+ return(1);
+
+ mt->offset = term_len(p, INDENT) + (size_t)ival;
+ p->offset = mt->offset;
+
+ return(1);
+}
+
+
+/* ARGSUSED */
static void
-print_node(DECL_ARGS)
+post_RS(DECL_ARGS)
{
+
+ switch (n->type) {
+ case (MAN_BLOCK):
+ mt->offset = mt->lmargin = term_len(p, INDENT);
+ break;
+ case (MAN_HEAD):
+ break;
+ default:
+ term_newln(p);
+ p->offset = term_len(p, INDENT);
+ break;
+ }
+}
+
+
+static void
+print_man_node(DECL_ARGS)
+{
+ size_t rm, rmax;
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);
+ if (0 == *n->string) {
+ term_vspace(p);
break;
}
- term_vspace(p);
+
+ term_word(p, n->string);
+
+ /* FIXME: this means that macro lines are munged! */
+
+ if (MANT_LITERAL & mt->fl) {
+ rm = p->rmargin;
+ rmax = p->maxrmargin;
+ p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
+ p->flags |= TERMP_NOSPACE;
+ term_flushln(p);
+ p->rmargin = rm;
+ p->maxrmargin = rmax;
+ }
break;
default:
+ if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ term_fontrepl(p, TERMFONT_NONE);
+ if (termacts[n->tok].pre)
+ c = (*termacts[n->tok].pre)(p, mt, n, m);
break;
}
if (c && n->child)
- print_body(p, n->child, m);
+ print_man_nodelist(p, mt, n->child, m);
- switch (n->type) {
- case (MAN_ELEM):
+ if (MAN_TEXT != n->type) {
if (termacts[n->tok].post)
- (*termacts[n->tok].post)(p, n, m);
- break;
- default:
- break;
+ (*termacts[n->tok].post)(p, mt, n, m);
+ if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ term_fontrepl(p, TERMFONT_NONE);
}
+
+ if (MAN_EOS & n->flags)
+ p->flags |= TERMP_SENTENCE;
}
static void
-print_body(DECL_ARGS)
+print_man_nodelist(DECL_ARGS)
{
- print_node(p, n, m);
+
+ print_man_node(p, mt, n, m);
if ( ! n->next)
return;
- print_body(p, n->next, m);
+ print_man_nodelist(p, mt, n->next, m);
}
static void
-print_foot(struct termp *p, const struct man_meta *meta)
+print_man_foot(struct termp *p, const void *arg)
{
- struct tm *tm;
- char *buf;
-
- if (NULL == (buf = malloc(p->rmargin)))
- err(1, "malloc");
+ char buf[DATESIZ];
+ const struct man_meta *meta;
- tm = localtime(&meta->date);
+ meta = (const struct man_meta *)arg;
-#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");
+ term_fontrepl(p, TERMFONT_NONE);
- /*
- * This is /slightly/ different from regular groff output
- * because we don't have page numbers. Print the following:
- *
- * OS MDOCDATE
- */
+ if (meta->rawdate)
+ strlcpy(buf, meta->rawdate, DATESIZ);
+ else
+ time2a(meta->date, buf, DATESIZ);
term_vspace(p);
+ term_vspace(p);
+ term_vspace(p);
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
- p->rmargin = p->maxrmargin - strlen(buf);
+ p->rmargin = p->maxrmargin - term_strlen(p, buf);
p->offset = 0;
+ /* term_strlen() can return zero. */
+ if (p->rmargin == p->maxrmargin)
+ p->rmargin--;
+
if (meta->source)
term_word(p, meta->source);
if (meta->source)
term_word(p, buf);
term_flushln(p);
-
- free(buf);
}
static void
-print_head(struct termp *p, const struct man_meta *meta)
+print_man_head(struct termp *p, const void *arg)
{
- char *buf, *title;
+ char buf[BUFSIZ], title[BUFSIZ];
+ size_t buflen, titlen;
+ const struct man_meta *m;
- 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");
+ m = (const struct man_meta *)arg;
/*
- * 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.
+ * Note that old groff would spit out some spaces before the
+ * header. We discontinue this strange behaviour, but at one
+ * point we did so here.
*/
- if (meta->vol)
- (void)strlcpy(buf, meta->vol, p->rmargin);
- else
- *buf = 0;
+ p->rmargin = p->maxrmargin;
- (void)snprintf(title, p->rmargin, "%s(%d)",
- meta->title, meta->msec);
+ p->offset = 0;
+ buf[0] = title[0] = '\0';
+
+ if (m->vol)
+ strlcpy(buf, m->vol, BUFSIZ);
+ buflen = term_strlen(p, buf);
+
+ snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
+ titlen = term_strlen(p, title);
p->offset = 0;
- p->rmargin = (p->maxrmargin - strlen(buf)) / 2;
+ p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
+ (p->maxrmargin -
+ term_strlen(p, buf) + term_len(p, 1)) / 2 :
+ p->maxrmargin - buflen;
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
term_word(p, title);
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin - strlen(title);
+ p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
+ p->maxrmargin - titlen : p->maxrmargin;
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);
+ if (p->rmargin + titlen <= p->maxrmargin) {
+ p->flags |= TERMP_NOLPAD | 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;
- free(title);
- free(buf);
-}
+ /*
+ * Groff likes to have some leading spaces before content. Well
+ * that's fine by me.
+ */
+ term_vspace(p);
+ term_vspace(p);
+ term_vspace(p);
+}
git.ckatri.com / mandoc.git / blobdiff