-/* $Id: mdoc_term.c,v 1.108 2010/01/01 18:01:40 kristaps Exp $ */
+/* $Id: mdoc_term.c,v 1.124 2010/05/15 16:24:38 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <assert.h>
#include <ctype.h>
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct termpair {
struct termpair *ppair;
- int flag;
int count;
};
static int arg_getattrs(const int *, int *, size_t,
const struct mdoc_node *);
static int arg_getattr(int, const struct mdoc_node *);
+static int arg_disptype(const struct mdoc_node *);
static int arg_listtype(const struct mdoc_node *);
static void print_bvspace(struct termp *,
const struct mdoc_node *,
static void termp_ss_post(DECL_ARGS);
static void termp_vt_post(DECL_ARGS);
-static int termp__t_pre(DECL_ARGS);
static int termp_an_pre(DECL_ARGS);
static int termp_ap_pre(DECL_ARGS);
static int termp_aq_pre(DECL_ARGS);
static int termp_bd_pre(DECL_ARGS);
static int termp_bf_pre(DECL_ARGS);
+static int termp_bl_pre(DECL_ARGS);
static int termp_bold_pre(DECL_ARGS);
static int termp_bq_pre(DECL_ARGS);
static int termp_brq_pre(DECL_ARGS);
static int termp_ss_pre(DECL_ARGS);
static int termp_under_pre(DECL_ARGS);
static int termp_ud_pre(DECL_ARGS);
+static int termp_vt_pre(DECL_ARGS);
static int termp_xr_pre(DECL_ARGS);
static int termp_xx_pre(DECL_ARGS);
{ termp_d1_pre, termp_d1_post }, /* Dl */
{ termp_bd_pre, termp_bd_post }, /* Bd */
{ NULL, NULL }, /* Ed */
- { NULL, termp_bl_post }, /* Bl */
+ { termp_bl_pre, termp_bl_post }, /* Bl */
{ NULL, NULL }, /* El */
{ termp_it_pre, termp_it_post }, /* It */
{ NULL, NULL }, /* Ad */
{ termp_rv_pre, NULL }, /* Rv */
{ NULL, NULL }, /* St */
{ termp_under_pre, NULL }, /* Va */
- { termp_under_pre, termp_vt_post }, /* Vt */
+ { termp_vt_pre, termp_vt_post }, /* Vt */
{ termp_xr_pre, NULL }, /* Xr */
{ NULL, termp____post }, /* %A */
{ termp_under_pre, termp____post }, /* %B */
{ NULL, termp____post }, /* %O */
{ NULL, termp____post }, /* %P */
{ NULL, termp____post }, /* %R */
- { termp__t_pre, termp____post }, /* %T */
+ { termp_under_pre, termp____post }, /* %T */
{ NULL, termp____post }, /* %V */
{ NULL, NULL }, /* Ac */
{ termp_aq_pre, termp_aq_post }, /* Ao */
{ NULL, NULL }, /* Dc */
{ termp_dq_pre, termp_dq_post }, /* Do */
{ termp_dq_pre, termp_dq_post }, /* Dq */
- { NULL, NULL }, /* Ec */
+ { NULL, NULL }, /* Ec */ /* FIXME: no space */
{ NULL, NULL }, /* Ef */
{ termp_under_pre, NULL }, /* Em */
{ NULL, NULL }, /* Eo */
p = (struct termp *)arg;
+ p->overstep = 0;
+ p->maxrmargin = p->defrmargin;
+
if (NULL == p->symtab)
switch (p->enc) {
case (TERMENC_ASCII):
if (termacts[n->tok].post)
(*termacts[n->tok].post)(p, &npair, m, n);
+ if (MDOC_EOS & n->flags)
+ p->flags |= TERMP_SENTENCE;
+
p->offset = offset;
p->rmargin = rmargin;
}
strlcat(buf, ")", BUFSIZ);
}
- snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
+ snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
p->offset = 0;
p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
}
+static int
+arg_disptype(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_Centred):
+ /* FALLTHROUGH */
+ case (MDOC_Ragged):
+ /* FALLTHROUGH */
+ case (MDOC_Filled):
+ /* FALLTHROUGH */
+ case (MDOC_Unfilled):
+ /* FALLTHROUGH */
+ case (MDOC_Literal):
+ return(n->args->argv[i].arg);
+ default:
+ break;
+ }
+
+ return(-1);
+}
+
+
static int
arg_listtype(const struct mdoc_node *n)
{
bl = n->parent->parent->parent;
- /* Save parent attributes. */
-
- pair->flag = p->flags;
-
/* Get list width, offset, and list type from argument list. */
keys[0] = MDOC_Width;
}
/*
- * 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.
+ * Pad and break control. This is the tricky part. These flags
+ * are documented in term_flushln() in term.c. Note that we're
+ * going to unset all of these flags in termp_it_post() when we
+ * exit.
*/
switch (type) {
break;
case (MDOC_Enum):
(pair->ppair->ppair->count)++;
- (void)snprintf(buf, sizeof(buf), "%d.",
+ snprintf(buf, sizeof(buf), "%d.",
pair->ppair->ppair->count);
term_word(p, buf);
break;
{
int type;
- if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
+ if (MDOC_BLOCK == n->type)
return;
type = arg_listtype(n->parent->parent->parent);
break;
}
- p->flags = pair->flag;
+ /*
+ * Now that our output is flushed, we can reset our tags. Since
+ * only `It' sets these flags, we're free to assume that nobody
+ * has munged them in the meanwhile.
+ */
+
+ p->flags &= ~TERMP_DANGLE;
+ p->flags &= ~TERMP_NOBREAK;
+ p->flags &= ~TERMP_TWOSPACE;
+ p->flags &= ~TERMP_NOLPAD;
+ p->flags &= ~TERMP_HANG;
}
termp_nm_pre(DECL_ARGS)
{
- if (SEC_SYNOPSIS == n->sec)
+ if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
term_newln(p);
term_fontpush(p, TERMFONT_BOLD);
term_fontpush(p, TERMFONT_BOLD);
term_word(p, "\\-");
- /* A blank `Fl' should incur a subsequent space. */
-
if (n->child)
p->flags |= TERMP_NOSPACE;
+ else if (n->next && n->next->line == n->line)
+ p->flags |= TERMP_NOSPACE;
return(1);
}
return;
}
- if (arg_getattr(MDOC_Split, n) > -1) {
+ if (arg_hasattr(MDOC_Split, n)) {
p->flags &= ~TERMP_NOSPLIT;
p->flags |= TERMP_SPLIT;
} else {
}
+/* ARGSUSED */
+static int
+termp_bl_pre(DECL_ARGS)
+{
+
+ return(MDOC_HEAD != n->type);
+}
+
+
/* ARGSUSED */
static void
termp_bl_post(DECL_ARGS)
{
const struct mdoc_node *nn;
- assert(n->child && MDOC_TEXT == n->child->type);
+ if (NULL == n->child)
+ return(0);
+
+ assert(MDOC_TEXT == n->child->type);
nn = n->child;
term_word(p, nn->string);
}
+static int
+termp_vt_pre(DECL_ARGS)
+{
+
+ if (MDOC_ELEM == n->type)
+ return(termp_under_pre(p, pair, m, n));
+ else if (MDOC_HEAD == n->type)
+ return(0);
+ else if (MDOC_BLOCK == n->type)
+ return(1);
+
+ return(termp_under_pre(p, pair, m, n));
+}
+
+
/* ARGSUSED */
static void
termp_vt_post(DECL_ARGS)
{
- if (n->sec != SEC_SYNOPSIS)
+ if (MDOC_BLOCK != n->type)
return;
if (n->next && MDOC_Vt == n->next->tok)
term_newln(p);
termp_fd_post(DECL_ARGS)
{
- if (n->sec != SEC_SYNOPSIS)
+ if (n->sec != SEC_SYNOPSIS || ! (MDOC_LINE & n->flags))
return;
term_newln(p);
termp_lb_post(DECL_ARGS)
{
- if (SEC_LIBRARY == n->sec)
+ if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
term_newln(p);
}
termp_ft_pre(DECL_ARGS)
{
- if (SEC_SYNOPSIS == n->sec)
+ if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
if (n->prev && MDOC_Fo == n->prev->tok)
term_vspace(p);
termp_ft_post(DECL_ARGS)
{
- if (SEC_SYNOPSIS == n->sec)
+ if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
term_newln(p);
}
termp_fn_post(DECL_ARGS)
{
- if (n->sec == SEC_SYNOPSIS && n->next)
+ if (n->sec == SEC_SYNOPSIS && n->next && MDOC_LINE & n->flags)
term_vspace(p);
}
termp_bd_pre(DECL_ARGS)
{
int i, type;
+ size_t rm, rmax;
const struct mdoc_node *nn;
if (MDOC_BLOCK == n->type) {
print_bvspace(p, n, n);
return(1);
- } else if (MDOC_BODY != n->type)
- return(1);
+ } else if (MDOC_HEAD == n->type)
+ return(0);
nn = n->parent;
- for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
- switch (nn->args->argv[i].arg) {
- case (MDOC_Centred):
- /* FALLTHROUGH */
- case (MDOC_Ragged):
- /* FALLTHROUGH */
- case (MDOC_Filled):
- /* FALLTHROUGH */
- case (MDOC_Unfilled):
- /* FALLTHROUGH */
- case (MDOC_Literal):
- type = nn->args->argv[i].arg;
- break;
- case (MDOC_Offset):
- p->offset += a2offs(&nn->args->argv[i]);
- break;
- default:
- break;
- }
- }
+ type = arg_disptype(nn);
+ assert(-1 != type);
+
+ if (-1 != (i = arg_getattr(MDOC_Offset, nn)))
+ p->offset += a2offs(&nn->args->argv[i]);
/*
* If -ragged or -filled are specified, the block does nothing
* lines are allowed.
*/
- assert(type > -1);
if (MDOC_Literal != type && MDOC_Unfilled != type)
return(1);
+ rm = p->rmargin;
+ rmax = p->maxrmargin;
+ p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
+
for (nn = n->child; nn; nn = nn->next) {
p->flags |= TERMP_NOSPACE;
print_mdoc_node(p, pair, m, nn);
term_flushln(p);
}
+ p->rmargin = rm;
+ p->maxrmargin = rmax;
return(0);
}
static void
termp_bd_post(DECL_ARGS)
{
+ int type;
+ size_t rm, rmax;
if (MDOC_BODY != n->type)
return;
+
+ type = arg_disptype(n->parent);
+ assert(-1 != type);
+
+ rm = p->rmargin;
+ rmax = p->maxrmargin;
+
+ if (MDOC_Literal == type || MDOC_Unfilled == type)
+ p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
+
p->flags |= TERMP_NOSPACE;
term_flushln(p);
+
+ p->rmargin = rm;
+ p->maxrmargin = rmax;
}
term_word(p, ">");
term_fontpop(p);
- if (SEC_SYNOPSIS != n->sec)
+ if (SEC_SYNOPSIS != n->sec && ! (MDOC_LINE & n->flags))
return;
term_newln(p);
{
assert(n->child && MDOC_TEXT == n->child->type);
- if (0 == strcmp("on", n->child->string)) {
+ if (0 == strcmp("on", n->child->string))
p->flags &= ~TERMP_NONOSPACE;
- p->flags &= ~TERMP_NOSPACE;
- } else
+ else
p->flags |= TERMP_NONOSPACE;
return(0);
/* TODO: %U. */
p->flags |= TERMP_NOSPACE;
- switch (n->tok) {
- case (MDOC__T):
- term_word(p, "\\(rq");
- p->flags |= TERMP_NOSPACE;
- break;
- default:
- break;
- }
term_word(p, n->next ? "," : ".");
}
term_fontpush(p, TERMFONT_UNDER);
return(1);
}
-
-
-/* ARGSUSED */
-static int
-termp__t_pre(DECL_ARGS)
-{
-
- term_word(p, "\\(lq");
- p->flags |= TERMP_NOSPACE;
- return(1);
-}