-/* $Id: mdoc_term.c,v 1.58 2009/07/23 08:36:32 kristaps Exp $ */
+/* $Id: mdoc_term.c,v 1.66 2009/08/10 10:09:51 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include "term.h"
#include "mdoc.h"
+#define INDENT 5
+#define HALFINDENT 3
+
/* FIXME: macro arguments can be escaped. */
#define TTYPE_PROG 0
};
static void termp____post(DECL_ARGS);
+static void termp_an_post(DECL_ARGS);
static void termp_aq_post(DECL_ARGS);
static void termp_bd_post(DECL_ARGS);
static void termp_bl_post(DECL_ARGS);
static int termp__j_pre(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_ar_pre(DECL_ARGS);
{ NULL, NULL }, /* El */
{ termp_it_pre, termp_it_post }, /* It */
{ NULL, NULL }, /* Ad */
- { NULL, NULL }, /* An */
+ { termp_an_pre, termp_an_post }, /* An */
{ termp_ar_pre, NULL }, /* Ar */
{ termp_cd_pre, NULL }, /* Cd */
{ termp_cm_pre, NULL }, /* Cm */
term_newln(p);
- if (arg_hasattr(MDOC_Compact, bl))
+ if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
return;
+ assert(node);
/*
* Search through our prior nodes. If we follow a `Ss' or `Sh',
* within the list.
*/
- if (arg_hasattr(MDOC_Column, bl))
+ if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
if (node->prev && MDOC_It == node->prev->tok)
return;
* XXX - not documented: a `-diag' without a body does not
* assert a vspace prior to the next element.
*/
- if (arg_hasattr(MDOC_Diag, bl))
+ if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
if (node->prev && MDOC_It == node->prev->tok) {
assert(node->prev->body);
if (NULL == node->prev->body->child)
switch (type) {
case (MDOC_Diag):
- term_word(p, "\\ \\ ");
+ if (MDOC_BODY == node->type)
+ term_word(p, "\\ \\ ");
break;
case (MDOC_Inset):
if (MDOC_BODY == node->type)
else
p->flags |= TERMP_NOLPAD;
- if (MDOC_HEAD == node->type)
+ if (MDOC_HEAD != node->type)
+ break;
+
+ /*
+ * This is ugly. If `-hang' is specified and the body
+ * is a `Bl' or `Bd', then we want basically to nullify
+ * the "overstep" effect in term_flushln() and treat
+ * this as a `-ohang' list instead.
+ */
+ if (node->next->child &&
+ (MDOC_Bl == node->next->child->tok ||
+ MDOC_Bd == node->next->child->tok)) {
+ p->flags &= ~TERMP_NOBREAK;
+ p->flags &= ~TERMP_NOLPAD;
+ } else
p->flags |= TERMP_HANG;
break;
case (MDOC_Tag):
p->offset += offset;
switch (type) {
+ case (MDOC_Hang):
+ /*
+ * Same stipulation as above, regarding `-hang'. We
+ * don't want to recalculate rmargin and offsets when
+ * using `Bd' or `Bl' within `-hang' overstep lists.
+ */
+ if (MDOC_HEAD == node->type && node->next->child &&
+ (MDOC_Bl == node->next->child->tok ||
+ MDOC_Bd == node->next->child->tok))
+ break;
+ /* FALLTHROUGH */
case (MDOC_Bullet):
/* FALLTHROUGH */
case (MDOC_Dash):
/* FALLTHROUGH */
case (MDOC_Hyphen):
/* FALLTHROUGH */
- case (MDOC_Hang):
- /* FALLTHROUGH */
case (MDOC_Tag):
assert(width);
if (MDOC_HEAD == node->type)
}
+/* ARGSUSED */
+static int
+termp_an_pre(DECL_ARGS)
+{
+
+ if (NULL == node->child)
+ return(1);
+
+ /*
+ * XXX: this is poorly documented. If not in the AUTHORS
+ * section, `An -split' will cause newlines to occur before the
+ * author name. If in the AUTHORS section, by default, the
+ * first `An' invocation is nosplit, then all subsequent ones,
+ * regardless of whether interspersed with other macros/text,
+ * are split. -split, in this case, will override the condition
+ * of the implied first -nosplit.
+ */
+
+ if (node->sec == SEC_AUTHORS) {
+ if ( ! (TERMP_ANPREC & p->flags)) {
+ if (TERMP_SPLIT & p->flags)
+ term_newln(p);
+ return(1);
+ }
+ if (TERMP_NOSPLIT & p->flags)
+ return(1);
+ term_newln(p);
+ return(1);
+ }
+
+ if (TERMP_SPLIT & p->flags)
+ term_newln(p);
+
+ return(1);
+}
+
+
+/* ARGSUSED */
+static void
+termp_an_post(DECL_ARGS)
+{
+
+ if (node->child) {
+ if (SEC_AUTHORS == node->sec)
+ p->flags |= TERMP_ANPREC;
+ return;
+ }
+
+ if (arg_getattr(MDOC_Split, node) > -1) {
+ p->flags &= ~TERMP_NOSPLIT;
+ p->flags |= TERMP_SPLIT;
+ } else {
+ p->flags &= ~TERMP_SPLIT;
+ p->flags |= TERMP_NOSPLIT;
+ }
+
+}
+
+
/* ARGSUSED */
static int
termp_ar_pre(DECL_ARGS)
static int
termp_sh_pre(DECL_ARGS)
{
-
+ /*
+ * XXX: undocumented: using two `Sh' macros in sequence has no
+ * vspace between calls, only a newline.
+ */
switch (node->type) {
- case (MDOC_HEAD):
+ case (MDOC_BLOCK):
+ if (node->prev && MDOC_Sh == node->prev->tok)
+ if (NULL == node->prev->body->child)
+ break;
term_vspace(p);
+ break;
+ case (MDOC_HEAD):
pair->flag |= ttypes[TTYPE_SECTION];
break;
case (MDOC_BODY):
static int
termp_bd_pre(DECL_ARGS)
{
- int i, type, ln;
+ int i, type;
/*
* This is fairly tricky due primarily to crappy documentation.
} else if (MDOC_BODY != node->type)
return(1);
- /* FIXME: display type should be mandated by parser. */
+ assert(node->parent->args);
- if (NULL == node->parent->args)
- errx(1, "missing display type");
-
- for (type = -1, i = 0;
+ for (type = -1, i = 0; -1 == type &&
i < (int)node->parent->args->argc; i++) {
switch (node->parent->args->argv[i].arg) {
case (MDOC_Ragged):
/* FALLTHROUGH */
case (MDOC_Literal):
type = node->parent->args->argv[i].arg;
- i = (int)node->parent->args->argc;
break;
default:
break;
}
}
-
- if (NULL == node->parent->args)
- errx(1, "missing display type");
+
+ assert(type > -1);
i = arg_getattr(MDOC_Offset, node->parent);
- if (-1 != i) {
- if (1 != node->parent->args->argv[i].sz)
- errx(1, "expected single value");
+ if (-1 != i)
p->offset += arg_offset(&node->parent->args->argv[i]);
- }
switch (type) {
case (MDOC_Literal):
return(1);
}
- /*
- * Tricky. Iterate through all children. If we're on a
- * different parse line, append a newline and then the contents.
- * Ew.
- */
-
- ln = node->child ? node->child->line : 0;
-
for (node = node->child; node; node = node->next) {
- if (ln < node->line) {
- term_flushln(p);
- p->flags |= TERMP_NOSPACE;
- }
- ln = node->line;
+ p->flags |= TERMP_NOSPACE;
print_node(p, pair, meta, node);
+ if (node->next)
+ term_flushln(p);
}
return(0);
if (MDOC_BODY != node->type)
return;
+ p->flags |= TERMP_NOSPACE;
term_flushln(p);
}