From f25db392c434984141c67fb983517a0dd28c4fe1 Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Sun, 22 Feb 2009 15:50:45 +0000
Subject: Initial block-display support.

---
 term.c    | 26 +++++++++++++++---
 term.h    |  1 +
 termact.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 3 files changed, 111 insertions(+), 7 deletions(-)

diff --git a/term.c b/term.c
index f09e3d5f..2611d893 100644
--- a/term.c
+++ b/term.c
@@ -82,6 +82,18 @@ flushln(struct termp *p)
 		for (j = 0; j < p->offset; j++)
 			putchar(' ');
 
+	/*
+	 * If we're literal, print out verbatim.
+	 */
+	if (p->flags & TERMP_LITERAL) {
+		/* FIXME: count non-printing chars. */
+		for (i = 0; i < p->col; i++)
+			putchar(p->buf[i]);
+		putchar('\n');
+		p->col = 0;
+		return;
+	}
+
 	for (i = 0; i < p->col; i++) {
 		/*
 		 * Count up visible word characters.  Control sequences
@@ -267,9 +279,10 @@ pword(struct termp *p, const char *word, size_t len)
 {
 	size_t		 i;
 
-	assert(len > 0);
+	/*assert(len > 0);*/ /* Can be, if literal. */
 
-	if ( ! (p->flags & TERMP_NOSPACE))
+	if ( ! (p->flags & TERMP_NOSPACE) && 
+			! (p->flags & TERMP_LITERAL))
 		chara(p, ' ');
 
 	p->flags &= ~TERMP_NOSPACE;
@@ -298,12 +311,17 @@ word(struct termp *p, const char *word)
 {
 	size_t 		 i, j, len;
 
-	if (mdoc_isdelim(word))
-		p->flags |= TERMP_NOSPACE;
+	if (p->flags & TERMP_LITERAL) {
+		pword(p, word, strlen(word));
+		return;
+	}
 
 	len = strlen(word);
 	assert(len > 0);
 
+	if (mdoc_isdelim(word))
+		p->flags |= TERMP_NOSPACE;
+
 	/* LINTED */
 	for (j = i = 0; i < len; i++) {
 		if ( ! isspace(word[i])) {
diff --git a/term.h b/term.h
index c8d6274a..8ec4ff9d 100644
--- a/term.h
+++ b/term.h
@@ -35,6 +35,7 @@ struct	termp {
 #define	TERMP_NOSPACE	 (1 << 2)	/* No space before words. */
 #define	TERMP_NOLPAD	 (1 << 3)	/* No leftpad before flush. */
 #define	TERMP_NOBREAK	 (1 << 4)	/* No break after flush. */
+#define	TERMP_LITERAL	 (1 << 5)	/* Literal words. */
 	char		 *buf;
 };
 
diff --git a/termact.c b/termact.c
index 7c3b2161..56b4173e 100644
--- a/termact.c
+++ b/termact.c
@@ -83,6 +83,7 @@ static	void	 	  name##_post(DECL_ARGS)
 
 DECL_PRE(termp_aq);
 DECL_PRE(termp_ar);
+DECL_PRE(termp_bd);
 DECL_PRE(termp_d1);
 DECL_PRE(termp_dq);
 DECL_PRE(termp_ex);
@@ -97,9 +98,11 @@ DECL_PRE(termp_nm);
 DECL_PRE(termp_ns);
 DECL_PRE(termp_op);
 DECL_PRE(termp_pp);
+DECL_PRE(termp_qq);
 DECL_PRE(termp_sh);
 DECL_PRE(termp_sx);
 DECL_PRE(termp_ud);
+DECL_PRE(termp_va);
 DECL_PRE(termp_vt);
 DECL_PRE(termp_xr);
 
@@ -116,8 +119,10 @@ DECL_POST(termp_ft);
 DECL_POST(termp_it);
 DECL_POST(termp_nm);
 DECL_POST(termp_op);
+DECL_POST(termp_qq);
 DECL_POST(termp_sh);
 DECL_POST(termp_sx);
+DECL_POST(termp_va);
 DECL_POST(termp_vt);
 
 const	struct termact __termacts[MDOC_MAX] = {
@@ -130,7 +135,7 @@ const	struct termact __termacts[MDOC_MAX] = {
 	{ termp_pp_pre, NULL }, /* Pp */ 
 	{ termp_d1_pre, termp_d1_post }, /* D1 */
 	{ NULL, NULL }, /* Dl */
-	{ NULL, NULL }, /* Bd */
+	{ termp_bd_pre, NULL }, /* Bd */
 	{ NULL, NULL }, /* Ed */
 	{ NULL, termp_bl_post }, /* Bl */
 	{ NULL, NULL }, /* El */
@@ -159,7 +164,7 @@ const	struct termact __termacts[MDOC_MAX] = {
 	{ NULL, NULL }, /* Pa */
 	{ NULL, NULL }, /* Rv */
 	{ NULL, NULL }, /* St */ 
-	{ NULL, NULL }, /* Va */
+	{ termp_va_pre, termp_va_post }, /* Va */
 	{ termp_vt_pre, termp_vt_post }, /* Vt */ 
 	{ termp_xr_pre, NULL }, /* Xr */
 	{ NULL, NULL }, /* %A */
@@ -204,7 +209,7 @@ const	struct termact __termacts[MDOC_MAX] = {
 	{ NULL, NULL }, /* Qc */
 	{ NULL, NULL }, /* Ql */
 	{ NULL, NULL }, /* Qo */
-	{ NULL, NULL }, /* Qq */
+	{ termp_qq_pre, termp_qq_post }, /* Qq */
 	{ NULL, NULL }, /* Re */
 	{ NULL, NULL }, /* Rs */
 	{ NULL, NULL }, /* Sc */
@@ -884,3 +889,83 @@ termp_fa_post(DECL_ARGS)
 }
 
 
+/* ARGSUSED */
+static int
+termp_va_pre(DECL_ARGS)
+{
+
+	p->flags |= ttypes[TTYPE_VAR_DECL];
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+termp_va_post(DECL_ARGS)
+{
+
+	p->flags &= ~ttypes[TTYPE_VAR_DECL];
+}
+
+
+/* ARGSUSED */
+static int
+termp_bd_pre(DECL_ARGS)
+{
+	const struct mdoc_block *bl;
+	const struct mdoc_node *n;
+
+	if (MDOC_BLOCK == node->type) {
+		vspace(p);
+		return(1);
+	} else if (MDOC_BODY != node->type)
+		return(1);
+
+	assert(MDOC_BLOCK == node->parent->type);
+
+	bl = &node->parent->data.block;
+	if ( ! arg_hasattr(MDOC_Literal, bl->argc, bl->argv))
+		return(1);
+
+	p->flags |= TERMP_LITERAL;
+
+	for (n = node->child; n; n = n->next) {
+		assert(MDOC_TEXT == n->type); /* FIXME */
+		if ((*n->data.text.string)) {
+			word(p, n->data.text.string);
+			flushln(p);
+		} else
+			vspace(p);
+
+	}
+
+	p->flags &= ~TERMP_LITERAL;
+	return(0);
+}
+
+
+/* ARGSUSED */
+static int
+termp_qq_pre(DECL_ARGS)
+{
+
+	if (MDOC_BODY != node->type)
+		return(1);
+	word(p, "\"");
+	p->flags |= TERMP_NOSPACE;
+	return(1);
+}
+
+
+/* ARGSUSED */
+static void
+termp_qq_post(DECL_ARGS)
+{
+
+	if (MDOC_BODY != node->type)
+		return;
+	p->flags |= TERMP_NOSPACE;
+	word(p, "\"");
+}
+
+
-- 
cgit