-/* $Id: mdoc_term.c,v 1.156 2010/06/19 20:46:28 kristaps Exp $ */
+/* $Id: mdoc_term.c,v 1.174 2010/07/16 00:03:37 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010 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
void (*post)(DECL_ARGS);
};
-static size_t a2width(const char *);
-static size_t a2height(const struct mdoc_node *);
-static size_t a2offs(const char *);
+static size_t a2width(const struct termp *, const char *);
+static size_t a2height(const struct termp *, const char *);
+static size_t a2offs(const struct termp *, const char *);
-static int arg_hasattr(int, const struct mdoc_node *);
-static int arg_getattr(int, const struct mdoc_node *);
static void print_bvspace(struct termp *,
const struct mdoc_node *,
const struct mdoc_node *);
static void termp_an_post(DECL_ARGS);
static void termp_aq_post(DECL_ARGS);
static void termp_bd_post(DECL_ARGS);
+static void termp_bk_post(DECL_ARGS);
static void termp_bl_post(DECL_ARGS);
static void termp_bq_post(DECL_ARGS);
static void termp_brq_post(DECL_ARGS);
static void termp_in_post(DECL_ARGS);
static void termp_it_post(DECL_ARGS);
static void termp_lb_post(DECL_ARGS);
+static void termp_nm_post(DECL_ARGS);
static void termp_op_post(DECL_ARGS);
static void termp_pf_post(DECL_ARGS);
static void termp_pq_post(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_bk_pre(DECL_ARGS);
static int termp_bl_pre(DECL_ARGS);
static int termp_bold_pre(DECL_ARGS);
static int termp_bq_pre(DECL_ARGS);
{ termp_in_pre, termp_in_post }, /* In */
{ termp_li_pre, NULL }, /* Li */
{ termp_nd_pre, NULL }, /* Nd */
- { termp_nm_pre, NULL }, /* Nm */
+ { termp_nm_pre, termp_nm_post }, /* Nm */
{ termp_op_pre, termp_op_post }, /* Op */
{ NULL, NULL }, /* Ot */
{ termp_under_pre, NULL }, /* Pa */
{ NULL, NULL }, /* Fc */
{ termp_op_pre, termp_op_post }, /* Oo */
{ NULL, NULL }, /* Oc */
- { NULL, NULL }, /* Bk */
+ { termp_bk_pre, termp_bk_post }, /* Bk */
{ NULL, NULL }, /* Ek */
{ termp_bt_pre, NULL }, /* Bt */
{ NULL, NULL }, /* Hf */
p->overstep = 0;
p->maxrmargin = p->defrmargin;
- p->tabwidth = 5;
+ p->tabwidth = term_len(p, 5);
if (NULL == p->symtab)
switch (p->enc) {
memset(&npair, 0, sizeof(struct termpair));
npair.ppair = pair;
- if (MDOC_TEXT != n->type) {
- if (termacts[n->tok].pre)
- chld = (*termacts[n->tok].pre)(p, &npair, m, n);
- } else
+ if (MDOC_TEXT == n->type)
term_word(p, n->string);
+ else if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
+ chld = (*termacts[n->tok].pre)(p, &npair, m, n);
+
+ /*
+ * Keeps only work until the end of a line. If a keep was
+ * invoked in a prior line, revert it to PREKEEP.
+ */
+
+ if (TERMP_KEEP & p->flags) {
+ if (n->prev && n->prev->line != n->line) {
+ p->flags &= ~TERMP_KEEP;
+ p->flags |= TERMP_PREKEEP;
+ } else if (NULL == n->prev) {
+ if (n->parent && n->parent->line != n->line) {
+ p->flags &= ~TERMP_KEEP;
+ p->flags |= TERMP_PREKEEP;
+ }
+ }
+ }
if (chld && n->child)
print_mdoc_nodelist(p, &npair, m, n->child);
term_fontpopq(p, font);
- if (MDOC_TEXT != n->type)
- if (termacts[n->tok].post)
- (*termacts[n->tok].post)(p, &npair, m, n);
+ if (MDOC_TEXT != n->type && termacts[n->tok].post &&
+ ! (MDOC_ENDED & n->flags)) {
+ (void)(*termacts[n->tok].post)(p, &npair, m, n);
+
+ /*
+ * Explicit end tokens not only call the post
+ * handler, but also tell the respective block
+ * that it must not call the post handler again.
+ */
+ if (ENDBODY_NOT != n->end)
+ n->pending->flags |= MDOC_ENDED;
+
+ /*
+ * End of line terminating an implicit block
+ * while an explicit block is still open.
+ * Continue the explicit block without spacing.
+ */
+ if (ENDBODY_NOSPACE == n->end)
+ p->flags |= TERMP_NOSPACE;
+ }
if (MDOC_EOS & n->flags)
p->flags |= TERMP_SENTENCE;
term_vspace(p);
p->offset = 0;
- p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
+ p->rmargin = (p->maxrmargin -
+ term_strlen(p, buf) + term_len(p, 1)) / 2;
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
term_word(p, os);
term_flushln(p);
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin - strlen(os);
+ p->rmargin = p->maxrmargin - term_strlen(p, os);
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
term_word(p, buf);
snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
p->offset = 0;
- p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
+ p->rmargin = (p->maxrmargin -
+ term_strlen(p, buf) + term_len(p, 1)) / 2;
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
term_word(p, title);
term_flushln(p);
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin - strlen(title);
+ p->rmargin = p->maxrmargin - term_strlen(p, title);
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
term_word(p, buf);
static size_t
-a2height(const struct mdoc_node *n)
+a2height(const struct termp *p, const char *v)
{
struct roffsu su;
- assert(MDOC_TEXT == n->type);
- assert(n->string);
- if ( ! a2roffsu(n->string, &su, SCALE_VS))
- SCALE_VS_INIT(&su, strlen(n->string));
+ assert(v);
+ if ( ! a2roffsu(v, &su, SCALE_VS))
+ SCALE_VS_INIT(&su, term_len(p, 1));
- return(term_vspan(&su));
+ return(term_vspan(p, &su));
}
static size_t
-a2width(const char *v)
+a2width(const struct termp *p, const char *v)
{
struct roffsu su;
assert(v);
if ( ! a2roffsu(v, &su, SCALE_MAX))
- SCALE_HS_INIT(&su, strlen(v));
+ SCALE_HS_INIT(&su, term_strlen(p, v));
- return(term_hspan(&su));
+ return(term_hspan(p, &su));
}
static size_t
-a2offs(const char *v)
+a2offs(const struct termp *p, const char *v)
{
struct roffsu su;
else if (0 == strcmp(v, "left"))
return(0);
else if (0 == strcmp(v, "indent"))
- return(INDENT + 1);
+ return(term_len(p, INDENT + 1));
else if (0 == strcmp(v, "indent-two"))
- return((INDENT + 1) * 2);
+ return(term_len(p, (INDENT + 1) * 2));
else if ( ! a2roffsu(v, &su, SCALE_MAX))
- SCALE_HS_INIT(&su, strlen(v));
+ SCALE_HS_INIT(&su, term_strlen(p, v));
- return(term_hspan(&su));
-}
-
-
-/*
- * Return 1 if an argument has a particular argument value or 0 if it
- * does not. See arg_getattr().
- */
-static int
-arg_hasattr(int arg, const struct mdoc_node *n)
-{
-
- return(-1 != arg_getattr(arg, n));
-}
-
-
-/*
- * Get the index of an argument in a node's argument list or -1 if it
- * does not exist.
- */
-static int
-arg_getattr(int v, const struct mdoc_node *n)
-{
- int i;
-
- if (NULL == n->args)
- return(0);
-
- for (i = 0; i < (int)n->args->argc; i++)
- if (n->args->argv[i].arg == v)
- return(i);
-
- return(-1);
+ return(term_hspan(p, &su));
}
term_newln(p);
- if (MDOC_Bd == bl->tok && bl->data.Bd.comp)
+ if (MDOC_Bd == bl->tok && bl->data.Bd->comp)
return;
- if (MDOC_Bl == bl->tok && bl->data.Bl.comp)
+ if (MDOC_Bl == bl->tok && bl->data.Bl->comp)
return;
/* Do not vspace directly after Ss/Sh. */
/* A `-column' does not assert vspace within the list. */
- if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl.type)
+ if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl->type)
if (n->prev && MDOC_It == n->prev->tok)
return;
/* A `-diag' without body does not vspace. */
- if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl.type)
+ if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl->type)
if (n->prev && MDOC_It == n->prev->tok) {
assert(n->prev->body);
if (NULL == n->prev->body->child)
{
const struct mdoc_node *bl, *nn;
char buf[7];
- int i, col;
+ int i;
size_t width, offset, ncols, dcol;
enum mdoc_list type;
}
bl = n->parent->parent->parent;
- type = bl->data.Bl.type;
+ assert(bl->data.Bl);
+ type = bl->data.Bl->type;
/*
* First calculate width and offset. This is pretty easy unless
width = offset = 0;
- if (bl->data.Bl.offs)
- offset = a2offs(bl->data.Bl.offs);
+ if (bl->data.Bl->offs)
+ offset = a2offs(p, bl->data.Bl->offs);
switch (type) {
case (LIST_column):
if (MDOC_HEAD == n->type)
break;
- col = arg_getattr(MDOC_Column, bl);
-
/*
* Imitate groff's column handling:
* - For each earlier column, add its width.
* column.
* - For more than 5 columns, add only one column.
*/
- ncols = bl->args->argv[col].sz;
+ ncols = bl->data.Bl->ncols;
+
/* LINTED */
- dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
+ dcol = ncols < 5 ? term_len(p, 4) :
+ ncols == 5 ? term_len(p, 3) : term_len(p, 1);
/*
* Calculate the offset by applying all prior MDOC_BODY,
nn->prev && i < (int)ncols;
nn = nn->prev, i++)
offset += dcol + a2width
- (bl->args->argv[col].value[i]);
+ (p, bl->data.Bl->cols[i]);
/*
* When exceeding the declared number of columns, leave
* Use the declared column widths, extended as explained
* in the preceding paragraph.
*/
- width = a2width(bl->args->argv[col].value[i]) + dcol;
+ width = a2width(p, bl->data.Bl->cols[i]) + dcol;
break;
default:
- if (NULL == bl->data.Bl.width)
+ if (NULL == bl->data.Bl->width)
break;
/*
* number for buffering single arguments. See the above
* handling for column for how this changes.
*/
- assert(bl->data.Bl.width);
- width = a2width(bl->data.Bl.width) + 2;
+ assert(bl->data.Bl->width);
+ width = a2width(p, bl->data.Bl->width) + term_len(p, 2);
break;
}
case (LIST_dash):
/* FALLTHROUGH */
case (LIST_hyphen):
- if (width < 4)
- width = 4;
+ if (width < term_len(p, 4))
+ width = term_len(p, 4);
break;
case (LIST_enum):
- if (width < 5)
- width = 5;
+ if (width < term_len(p, 5))
+ width = term_len(p, 5);
break;
case (LIST_hang):
if (0 == width)
- width = 8;
+ width = term_len(p, 8);
break;
case (LIST_column):
/* FALLTHROUGH */
case (LIST_tag):
if (0 == width)
- width = 10;
+ width = term_len(p, 10);
break;
default:
break;
if (MDOC_BLOCK == n->type)
return;
- type = n->parent->parent->parent->data.Bl.type;
+ type = n->parent->parent->parent->data.Bl->type;
switch (type) {
case (LIST_item):
termp_nm_pre(DECL_ARGS)
{
- if (NULL == n->child && NULL == m->name)
+ if (MDOC_BLOCK == n->type)
return(1);
+ if (MDOC_BODY == n->type) {
+ if (NULL == n->child)
+ return(0);
+ p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->offset += term_len(p, 1) +
+ (NULL == n->prev->child ? term_strlen(p, m->name) :
+ MDOC_TEXT == n->prev->child->type ?
+ term_strlen(p, n->prev->child->string) :
+ term_len(p, 5));
+ return(1);
+ }
+
+ if (NULL == n->child && NULL == m->name)
+ return(0);
+
synopsis_pre(p, n);
+ if (MDOC_HEAD == n->type && n->next->child) {
+ p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_HANG;
+ p->rmargin = p->offset + term_len(p, 1) +
+ (NULL == n->child ? term_strlen(p, m->name) :
+ MDOC_TEXT == n->child->type ?
+ term_strlen(p, n->child->string) :
+ term_len(p, 5));
+ }
+
term_fontpush(p, TERMFONT_BOLD);
if (NULL == n->child)
term_word(p, m->name);
}
+/* ARGSUSED */
+static void
+termp_nm_post(DECL_ARGS)
+{
+
+ if (MDOC_HEAD == n->type && n->next->child) {
+ term_flushln(p);
+ p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
+ } else if (MDOC_BODY == n->type && n->child) {
+ term_flushln(p);
+ p->flags &= ~TERMP_NOLPAD;
+ }
+}
+
+
/* ARGSUSED */
static int
termp_fl_pre(DECL_ARGS)
return;
}
- if (arg_hasattr(MDOC_Split, n)) {
+ if (AUTH_split == n->data.An.auth) {
p->flags &= ~TERMP_NOSPLIT;
p->flags |= TERMP_SPLIT;
- } else {
+ } else if (AUTH_nosplit == n->data.An.auth) {
p->flags &= ~TERMP_SPLIT;
p->flags |= TERMP_NOSPLIT;
}
* Obviously, if we're not in a SYNOPSIS or no prior macros
* exist, do nothing.
*/
- if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
+ if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
return;
/*
term_fontpush(p, TERMFONT_BOLD);
break;
case (MDOC_BODY):
- p->offset = INDENT;
+ p->offset = term_len(p, INDENT);
break;
default:
break;
if (MDOC_BLOCK != n->type)
return(1);
term_newln(p);
- p->offset += (INDENT + 1);
+ p->offset += term_len(p, (INDENT + 1));
return(1);
}
term_word(p, ")");
- if (SEC_SYNOPSIS == n->sec)
+ if (MDOC_SYNPRETTY & n->flags)
term_word(p, ";");
return(0);
} else if (MDOC_HEAD == n->type)
return(0);
- if (n->data.Bd.offs)
- p->offset += a2offs(n->data.Bd.offs);
+ assert(n->data.Bd);
+ if (n->data.Bd->offs)
+ p->offset += a2offs(p, n->data.Bd->offs);
/*
* If -ragged or -filled are specified, the block does nothing
* lines are allowed.
*/
- if (DISP_literal != n->data.Bd.type &&
- DISP_unfilled != n->data.Bd.type)
+ if (DISP_literal != n->data.Bd->type &&
+ DISP_unfilled != n->data.Bd->type)
return(1);
tabwidth = p->tabwidth;
- p->tabwidth = 8;
+ p->tabwidth = term_len(p, 8);
rm = p->rmargin;
rmax = p->maxrmargin;
p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
rm = p->rmargin;
rmax = p->maxrmargin;
- if (DISP_literal == n->data.Bd.type ||
- DISP_unfilled == n->data.Bd.type)
+ assert(n->data.Bd);
+ if (DISP_literal == n->data.Bd->type ||
+ DISP_unfilled == n->data.Bd->type)
p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
p->flags |= TERMP_NOSPACE;
break;
case (MDOC_HEAD):
term_fontpush(p, TERMFONT_BOLD);
- p->offset = HALFINDENT;
+ p->offset = term_len(p, HALFINDENT);
break;
default:
break;
synopsis_pre(p, n);
- if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
+ if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
term_fontpush(p, TERMFONT_BOLD);
term_word(p, "#include");
term_word(p, "<");
termp_in_post(DECL_ARGS)
{
- if (SEC_SYNOPSIS == n->sec)
+ if (MDOC_SYNPRETTY & n->flags)
term_fontpush(p, TERMFONT_BOLD);
p->flags |= TERMP_NOSPACE;
term_word(p, ">");
- if (SEC_SYNOPSIS == n->sec)
+ if (MDOC_SYNPRETTY & n->flags)
term_fontpop(p);
}
switch (n->tok) {
case (MDOC_sp):
- len = n->child ? a2height(n->child) : 1;
+ len = n->child ? a2height(p, n->child->string) : 1;
break;
case (MDOC_br):
len = 0;
return(1);
}
+ if (NULL == n->child)
+ return(0);
+
/* XXX: we drop non-initial arguments as per groff. */
- assert(n->child);
assert(n->child->string);
term_fontpush(p, TERMFONT_BOLD);
term_word(p, n->child->string);
p->flags |= TERMP_NOSPACE;
term_word(p, ")");
- if (SEC_SYNOPSIS == n->sec) {
+ if (MDOC_SYNPRETTY & n->flags) {
p->flags |= TERMP_NOSPACE;
term_word(p, ";");
}
static int
termp_bf_pre(DECL_ARGS)
{
- const struct mdoc_node *nn;
if (MDOC_HEAD == n->type)
return(0);
else if (MDOC_BLOCK != n->type)
return(1);
- if (NULL == (nn = n->head->child)) {
- if (arg_hasattr(MDOC_Emphasis, n))
- term_fontpush(p, TERMFONT_UNDER);
- else if (arg_hasattr(MDOC_Symbolic, n))
- term_fontpush(p, TERMFONT_BOLD);
- else
- term_fontpush(p, TERMFONT_NONE);
-
- return(1);
- }
+ assert(n->data.Bf);
- assert(MDOC_TEXT == nn->type);
- if (0 == strcmp("Em", nn->string))
+ if (FONT_Em == n->data.Bf->font)
term_fontpush(p, TERMFONT_UNDER);
- else if (0 == strcmp("Sy", nn->string))
+ else if (FONT_Sy == n->data.Bf->font)
term_fontpush(p, TERMFONT_BOLD);
- else
+ else
term_fontpush(p, TERMFONT_NONE);
return(1);
{
assert(n->child && MDOC_TEXT == n->child->type);
- if (0 == strcmp("on", n->child->string))
+ if (0 == strcmp("on", n->child->string)) {
+ if (p->col)
+ p->flags &= ~TERMP_NOSPACE;
p->flags &= ~TERMP_NONOSPACE;
- else
+ } else
p->flags |= TERMP_NONOSPACE;
return(0);
}
+/* ARGSUSED */
+static int
+termp_bk_pre(DECL_ARGS)
+{
+
+ switch (n->type) {
+ case (MDOC_BLOCK):
+ break;
+ case (MDOC_HEAD):
+ return(0);
+ case (MDOC_BODY):
+ p->flags |= TERMP_PREKEEP;
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
+
+ return(1);
+}
+
+
+/* ARGSUSED */
+static void
+termp_bk_post(DECL_ARGS)
+{
+
+ if (MDOC_BODY == n->type)
+ p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
+}
+
/* ARGSUSED */
static int
termp_under_pre(DECL_ARGS)
git.ckatri.com / mandoc.git / blobdiff