-/* $Id: man_term.c,v 1.34 2009/10/07 12:19:39 kristaps Exp $ */
+/* $Id: man_term.c,v 1.47 2009/10/30 18:53:08 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <assert.h>
#include <ctype.h>
-#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "term.h"
+#include "out.h"
#include "man.h"
+#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)
void (*post)(DECL_ARGS);
};
+#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_node(DECL_ARGS);
+static void print_man_foot(struct termp *,
+ const struct man_meta *);
+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_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_PP(DECL_ARGS);
{ NULL, NULL }, /* SM */
{ pre_B, post_B }, /* SB */
{ pre_BI, NULL }, /* BI */
- { pre_IB, NULL }, /* IB */
- { pre_BR, NULL }, /* BR */
+ { pre_BI, NULL }, /* IB */
+ { pre_RB, NULL }, /* BR */
{ pre_RB, NULL }, /* RB */
{ NULL, NULL }, /* R */
{ pre_B, post_B }, /* B */
{ pre_RS, post_RS }, /* RS */
{ pre_ign, NULL }, /* DT */
{ pre_ign, NULL }, /* UC */
+ { pre_ign, NULL }, /* PD */
};
-#ifdef __linux__
-extern size_t strlcpy(char *, const char *, size_t);
-extern size_t strlcat(char *, const char *, size_t);
-#endif
-
-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 *);
-static void fmt_block_vspace(struct termp *,
- const struct man_node *);
-static int arg_width(const struct man_node *);
void
-man_run(struct termp *p, const struct man *m)
+terminal_man(void *arg, const struct man *man)
{
- struct mtermp mt;
+ struct termp *p;
+ const struct man_node *n;
+ const struct man_meta *m;
+ struct mtermp mt;
- print_head(p, man_meta(m));
+ p = (struct termp *)arg;
+
+ 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_man_head(p, m);
p->flags |= TERMP_NOSPACE;
mt.fl = 0;
mt.lmargin = INDENT;
mt.offset = INDENT;
- if (man_node(m)->child)
- print_body(p, &mt, man_node(m)->child, man_meta(m));
- print_foot(p, man_meta(m));
+ if (n->child)
+ print_man_body(p, &mt, n->child, m);
+ print_man_foot(p, m);
}
-static void
-fmt_block_vspace(struct termp *p, const struct man_node *n)
+static int
+a2height(const struct man_node *n)
{
- term_newln(p);
+ struct roffsu su;
- if (NULL == n->prev)
- return;
-
- if (MAN_SS == n->prev->tok)
- return;
- if (MAN_SH == n->prev->tok)
- return;
+ assert(MAN_TEXT == n->type);
+ assert(n->string);
+ if ( ! a2roffsu(n->string, &su, SCALE_VS))
+ SCALE_VS_INIT(&su, strlen(n->string));
- term_vspace(p);
+ return((int)term_vspan(&su));
}
static int
-arg_width(const struct man_node *n)
+a2width(const struct man_node *n)
{
- int i, len;
- const char *p;
+ struct roffsu su;
assert(MAN_TEXT == n->type);
assert(n->string);
+ if ( ! a2roffsu(n->string, &su, SCALE_BU))
+ return(-1);
- p = n->string;
+ return((int)term_hspan(&su));
+}
- if (0 == (len = (int)strlen(p)))
- return(-1);
- for (i = 0; i < len; i++)
- if ( ! isdigit((u_char)p[i]))
- break;
+static void
+print_bvspace(struct termp *p, const struct man_node *n)
+{
+ term_newln(p);
- if (i == len - 1) {
- if ('n' == p[len - 1] || 'm' == p[len - 1])
- return(atoi(p));
- } else if (i == len)
- return(atoi(p));
+ if (NULL == n->prev)
+ return;
+
+ if (MAN_SS == n->prev->tok)
+ return;
+ if (MAN_SH == n->prev->tok)
+ return;
- return(-1);
+ term_vspace(p);
}
p->under++;
if (i > 0)
p->flags |= TERMP_NOSPACE;
- print_node(p, mt, nn, m);
+ print_man_node(p, mt, nn, m);
if ( ! (i % 2))
p->under--;
}
/* ARGSUSED */
static int
-pre_IB(DECL_ARGS)
+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)
+ if (i % 2 && MAN_RB == n->tok)
p->bold++;
- else
- p->under++;
+ else if ( ! (i % 2) && MAN_RB != n->tok)
+ p->bold++;
+
if (i > 0)
p->flags |= TERMP_NOSPACE;
- print_node(p, mt, nn, m);
- if (i % 2)
- p->bold--;
- else
- p->under--;
- }
- return(0);
-}
+ print_man_node(p, mt, nn, m);
-/* 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)
- p->bold++;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_node(p, mt, nn, m);
- if (i % 2)
+ if (i % 2 && MAN_RB == n->tok)
+ p->bold--;
+ else if ( ! (i % 2) && MAN_RB != n->tok)
p->bold--;
}
return(0);
p->under++;
if (i > 0)
p->flags |= TERMP_NOSPACE;
- print_node(p, mt, nn, m);
+ print_man_node(p, mt, nn, m);
if ( ! (i % 2))
p->under--;
}
}
-/* ARGSUSED */
-static int
-pre_BR(DECL_ARGS)
-{
- const struct man_node *nn;
- int i;
-
- for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if ( ! (i % 2))
- p->bold++;
- if (i > 0)
- p->flags |= TERMP_NOSPACE;
- print_node(p, mt, nn, m);
- if ( ! (i % 2))
- p->bold--;
- }
- return(0);
-}
-
-
/* ARGSUSED */
static int
pre_BI(DECL_ARGS)
{
- const struct man_node *nn;
- int i;
+ const struct man_node *nn;
+ int i;
for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
- if (i % 2)
+ if (i % 2 && MAN_BI == n->tok)
p->under++;
- else
+ else if (i % 2)
p->bold++;
- if (i > 0)
+ else if (MAN_BI == n->tok)
+ p->bold++;
+ else
+ p->under++;
+
+ if (i)
p->flags |= TERMP_NOSPACE;
- print_node(p, mt, nn, m);
- if (i % 2)
+ print_man_node(p, mt, nn, m);
+
+ if (i % 2 && MAN_BI == n->tok)
p->under--;
- else
+ else if (i % 2)
p->bold--;
+ else if (MAN_BI == n->tok)
+ p->bold--;
+ else
+ p->under--;
}
return(0);
}
{
int i, len;
- if (NULL == n->child) {
- term_vspace(p);
- return(0);
- }
+ len = n->child ? a2height(n->child) : 1;
- len = atoi(n->child->string);
if (0 == len)
term_newln(p);
for (i = 0; i < len; i++)
switch (n->type) {
case (MAN_BLOCK):
- fmt_block_vspace(p, n);
+ print_bvspace(p, n);
return(1);
case (MAN_BODY):
p->flags |= TERMP_NOBREAK;
/* Calculate offset. */
if (NULL != (nn = n->parent->head->child))
- if ((ival = arg_width(nn)) >= 0)
+ if ((ival = a2width(nn)) >= 0)
len = (size_t)ival;
if (0 == len)
switch (n->type) {
case (MAN_BLOCK):
mt->lmargin = INDENT;
- fmt_block_vspace(p, n);
+ print_bvspace(p, n);
break;
default:
p->offset = mt->offset;
p->flags |= TERMP_TWOSPACE;
break;
case (MAN_BLOCK):
- fmt_block_vspace(p, n);
+ print_bvspace(p, n);
/* FALLTHROUGH */
default:
return(1);
if (NULL != (nn = nn->next)) {
for ( ; nn->next; nn = nn->next)
/* Do nothing. */ ;
- if ((ival = arg_width(nn)) >= 0)
+ if ((ival = a2width(nn)) >= 0)
len = (size_t)ival;
}
/* Don't print the length value. */
for (nn = n->child; nn->next; nn = nn->next)
- print_node(p, mt, nn, m);
+ print_man_node(p, mt, nn, m);
return(0);
case (MAN_BODY):
p->offset = mt->offset + len;
p->flags |= TERMP_NOSPACE;
break;
case (MAN_BLOCK):
- fmt_block_vspace(p, n);
+ print_bvspace(p, n);
/* FALLTHROUGH */
default:
return(1);
if (NULL != (nn = n->parent->head->child))
if (NULL != nn->next)
- if ((ival = arg_width(nn)) >= 0)
+ if ((ival = a2width(nn)) >= 0)
len = (size_t)ival;
switch (n->type) {
/* Don't print same-line elements. */
for (nn = n->child; nn; nn = nn->next)
if (nn->line > n->line)
- print_node(p, mt, nn, m);
+ print_man_node(p, mt, nn, m);
if (ival >= 0)
mt->lmargin = (size_t)ival;
return(1);
}
- if ((ival = arg_width(nn)) < 0)
+ if ((ival = a2width(nn)) < 0)
return(1);
mt->offset = INDENT + (size_t)ival;
static void
-print_node(DECL_ARGS)
+print_man_node(DECL_ARGS)
{
int c, sz;
}
if (c && n->child)
- print_body(p, mt, n->child, m);
+ print_man_body(p, mt, n->child, m);
if (MAN_TEXT != n->type)
if (termacts[n->tok].post)
static void
-print_body(DECL_ARGS)
+print_man_body(DECL_ARGS)
{
- print_node(p, mt, n, m);
+ print_man_node(p, mt, n, m);
if ( ! n->next)
return;
- print_body(p, mt, n->next, m);
+ print_man_body(p, mt, n->next, m);
}
static void
-print_foot(struct termp *p, const struct man_meta *meta)
+print_man_foot(struct termp *p, const struct man_meta *meta)
{
- struct tm *tm;
- char buf[BUFSIZ];
-
- tm = localtime(&meta->date);
+ char buf[DATESIZ];
- if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
- (void)strlcpy(buf, "(invalid date)", BUFSIZ);
+ time2a(meta->date, buf, DATESIZ);
term_vspace(p);
static void
-print_head(struct termp *p, const struct man_meta *meta)
+print_man_head(struct termp *p, const struct man_meta *m)
{
- char *buf, *title;
+ char buf[BUFSIZ], title[BUFSIZ];
p->rmargin = p->maxrmargin;
p->offset = 0;
+ buf[0] = title[0] = '\0';
- if (NULL == (buf = malloc(p->rmargin)))
- err(EXIT_FAILURE, "malloc");
- if (NULL == (title = malloc(p->rmargin)))
- err(EXIT_FAILURE, "malloc");
+ if (m->vol)
+ strlcpy(buf, m->vol, BUFSIZ);
- if (meta->vol)
- (void)strlcpy(buf, meta->vol, p->rmargin);
- else
- *buf = 0;
-
- (void)snprintf(title, p->rmargin, "%s(%d)",
- meta->title, meta->msec);
+ snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
p->offset = 0;
p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
p->rmargin = p->maxrmargin;
p->offset = 0;
p->flags &= ~TERMP_NOSPACE;
-
- free(title);
- free(buf);
}
-