-/* $Id: man_term.c,v 1.46 2009/10/27 08:49:44 kristaps Exp $ */
+/* $Id: man_term.c,v 1.63 2010/05/12 16:46:28 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* 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 <ctype.h>
-#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct termact {
int (*pre)(DECL_ARGS);
void (*post)(DECL_ARGS);
+ int flags;
+#define MAN_NOTEXT (1 << 0) /* Never has text children. */
};
-#ifdef __linux__
-extern size_t strlcpy(char *, const char *, size_t);
-extern size_t strlcat(char *, const char *, size_t);
-#endif
-
static int a2width(const struct man_node *);
static int a2height(const struct man_node *);
static void print_man_head(struct termp *,
const struct man_meta *);
-static void print_man_body(DECL_ARGS);
+static void print_man_nodelist(DECL_ARGS);
static void print_man_node(DECL_ARGS);
static void print_man_foot(struct termp *,
const struct man_meta *);
static int pre_HP(DECL_ARGS);
static int pre_I(DECL_ARGS);
static int pre_IP(DECL_ARGS);
-static int pre_IR(DECL_ARGS);
static int pre_PP(DECL_ARGS);
static int pre_RB(DECL_ARGS);
static int pre_RI(DECL_ARGS);
static int pre_fi(DECL_ARGS);
static int pre_ign(DECL_ARGS);
static int pre_nf(DECL_ARGS);
-static int pre_r(DECL_ARGS);
static int pre_sp(DECL_ARGS);
-static void post_B(DECL_ARGS);
-static void post_I(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 void post_TP(DECL_ARGS);
-static void post_i(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, post_TP }, /* TP */
- { pre_PP, NULL }, /* LP */
- { pre_PP, NULL }, /* PP */
- { pre_PP, NULL }, /* P */
- { pre_IP, post_IP }, /* IP */
- { pre_HP, post_HP }, /* HP */
- { NULL, NULL }, /* SM */
- { pre_B, post_B }, /* SB */
- { pre_BI, NULL }, /* BI */
- { pre_BI, NULL }, /* IB */
- { pre_RB, 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 */
- { pre_sp, NULL }, /* sp */
- { pre_nf, NULL }, /* nf */
- { pre_fi, NULL }, /* fi */
- { pre_r, NULL }, /* r */
- { NULL, NULL }, /* RE */
- { pre_RS, post_RS }, /* RS */
- { pre_ign, NULL }, /* DT */
- { pre_ign, NULL }, /* UC */
- { pre_ign, NULL }, /* PD */
+ { pre_br, 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_nf, NULL, 0 }, /* nf */
+ { pre_fi, 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_sp, NULL, MAN_NOTEXT }, /* Sp */
+ { pre_nf, NULL, 0 }, /* Vb */
+ { pre_fi, NULL, 0 }, /* Ve */
+ { pre_ign, NULL, MAN_NOTEXT }, /* de */
+ { pre_ign, NULL, MAN_NOTEXT }, /* dei */
+ { pre_ign, NULL, MAN_NOTEXT }, /* am */
+ { pre_ign, NULL, MAN_NOTEXT }, /* ami */
+ { pre_ign, NULL, MAN_NOTEXT }, /* ig */
+ { NULL, NULL, 0 }, /* . */
};
p = (struct termp *)arg;
+ p->overstep = 0;
+ p->maxrmargin = 65;
+
if (NULL == p->symtab)
switch (p->enc) {
case (TERMENC_ASCII):
mt.offset = INDENT;
if (n->child)
- print_man_body(p, &mt, n->child, m);
+ print_man_nodelist(p, &mt, n->child, m);
print_man_foot(p, m);
}
pre_I(DECL_ARGS)
{
- p->under++;
+ term_fontrepl(p, TERMFONT_UNDER);
return(1);
}
-/* ARGSUSED */
-static int
-pre_r(DECL_ARGS)
-{
-
- p->bold = p->under = 0;
- return(1);
-}
-
-
-/* ARGSUSED */
-static void
-post_i(DECL_ARGS)
-{
-
- if (n->nchild)
- p->under--;
-}
-
-
-/* ARGSUSED */
-static void
-post_I(DECL_ARGS)
-{
-
- p->under--;
-}
-
-
/* ARGSUSED */
static int
pre_fi(DECL_ARGS)
pre_nf(DECL_ARGS)
{
- term_newln(p);
mt->fl |= MANT_LITERAL;
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
-pre_IR(DECL_ARGS)
-{
- const struct man_node *nn;
- int i;
-
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if ( ! (i % 2))
- p->under++;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_man_node(p, mt, nn, m);
- if ( ! (i % 2))
- p->under--;
- }
- return(0);
+ return(MAN_Vb != n->tok);
}
for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
if (i % 2 && MAN_RB == n->tok)
- p->bold++;
+ term_fontrepl(p, TERMFONT_BOLD);
else if ( ! (i % 2) && MAN_RB != n->tok)
- p->bold++;
+ 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);
-
- if (i % 2 && MAN_RB == n->tok)
- p->bold--;
- else if ( ! (i % 2) && MAN_RB != n->tok)
- p->bold--;
}
return(0);
}
int i;
for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if ( ! (i % 2))
- p->under++;
+ 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);
- if ( ! (i % 2))
- p->under--;
}
return(0);
}
for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
if (i % 2 && MAN_BI == n->tok)
- p->under++;
+ term_fontrepl(p, TERMFONT_UNDER);
else if (i % 2)
- p->bold++;
+ term_fontrepl(p, TERMFONT_BOLD);
else if (MAN_BI == n->tok)
- p->bold++;
+ term_fontrepl(p, TERMFONT_BOLD);
else
- p->under++;
+ term_fontrepl(p, TERMFONT_UNDER);
if (i)
p->flags |= TERMP_NOSPACE;
- print_man_node(p, mt, nn, m);
- if (i % 2 && MAN_BI == n->tok)
- p->under--;
- else if (i % 2)
- p->bold--;
- else if (MAN_BI == n->tok)
- p->bold--;
- else
- p->under--;
+ print_man_node(p, mt, nn, m);
}
return(0);
}
pre_B(DECL_ARGS)
{
- p->bold++;
+ term_fontrepl(p, TERMFONT_BOLD);
return(1);
}
-/* ARGSUSED */
-static void
-post_B(DECL_ARGS)
-{
-
- p->bold--;
-}
-
-
/* ARGSUSED */
static int
pre_sp(DECL_ARGS)
if (0 == len)
term_newln(p);
- for (i = 0; i < len; i++)
+ for (i = 0; i <= len; i++)
term_vspace(p);
return(0);
/* Calculate offset. */
- if (NULL != (nn = n->parent->head->child))
- if (NULL != nn->next)
+ if (NULL != (nn = n->parent->head->child)) {
+ while (nn && MAN_TEXT != nn->type)
+ nn = nn->next;
+ if (nn && nn->next)
if ((ival = a2width(nn)) >= 0)
len = (size_t)ival;
+ }
switch (n->type) {
case (MAN_HEAD):
term_vspace(p);
break;
case (MAN_HEAD):
- p->bold++;
+ term_fontrepl(p, TERMFONT_BOLD);
p->offset = HALFINDENT;
break;
case (MAN_BODY):
switch (n->type) {
case (MAN_HEAD):
term_newln(p);
- p->bold--;
break;
case (MAN_BODY):
term_newln(p);
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):
- p->bold++;
+ term_fontrepl(p, TERMFONT_BOLD);
p->offset = 0;
break;
case (MAN_BODY):
switch (n->type) {
case (MAN_HEAD):
term_newln(p);
- p->bold--;
break;
case (MAN_BODY):
term_newln(p);
case (MAN_BLOCK):
mt->offset = mt->lmargin = INDENT;
break;
+ case (MAN_HEAD):
+ break;
default:
term_newln(p);
p->offset = INDENT;
static void
print_man_node(DECL_ARGS)
{
- int c, sz;
+ int c;
c = 1;
term_vspace(p);
break;
}
- /*
- * 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.
- */
- sz = (int)strlen(n->string);
+
term_word(p, n->string);
- if (sz >= 2 && n->string[sz - 1] == 'c' &&
- n->string[sz - 2] == '\\')
- p->flags |= TERMP_NOSPACE;
+
/* FIXME: this means that macro lines are munged! */
+
if (MANT_LITERAL & mt->fl) {
+ p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
p->flags |= TERMP_NOSPACE;
term_flushln(p);
+ p->rmargin = p->maxrmargin = 65;
}
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_man_body(p, mt, n->child, m);
+ print_man_nodelist(p, mt, n->child, m);
- if (MAN_TEXT != n->type)
+ if (MAN_TEXT != n->type) {
if (termacts[n->tok].post)
(*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_man_body(DECL_ARGS)
+print_man_nodelist(DECL_ARGS)
{
print_man_node(p, mt, n, m);
if ( ! n->next)
return;
- print_man_body(p, mt, n->next, m);
+ print_man_nodelist(p, mt, n->next, m);
}
{
char buf[DATESIZ];
+ term_fontrepl(p, TERMFONT_NONE);
+
time2a(meta->date, buf, DATESIZ);
term_vspace(p);
print_man_head(struct termp *p, const struct man_meta *m)
{
char buf[BUFSIZ], title[BUFSIZ];
+ size_t buflen, titlen;
+
+ /*
+ * 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.
+ */
p->rmargin = p->maxrmargin;
+
p->offset = 0;
buf[0] = title[0] = '\0';
if (m->vol)
strlcpy(buf, m->vol, BUFSIZ);
+ buflen = strlen(buf);
snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
+ titlen = strlen(title);
p->offset = 0;
- p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
+ p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
+ (p->maxrmargin - strlen(buf) + 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;
+
+ /*
+ * 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