Partial implementation of .Bd -centered.

[mandoc.git] / mdoc_term.c

diff --git a/mdoc_term.c b/mdoc_term.c
index 4629e43a7ed876e91d30796f46856315e638ff96..a7f5b36db04cacc10a4b3e9315593bf2c7f4188f 100644 (file)
--- a/mdoc_term.c
+++ b/mdoc_term.c
@@ -1,4 +1,4 @@
-/*     $Id: mdoc_term.c,v 1.271 2014/07/07 15:03:43 schwarze Exp $ */
+/*     $Id: mdoc_term.c,v 1.272 2014/07/29 13:58:18 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -1571,7 +1571,7 @@ termp_fa_pre(DECL_ARGS)
 static int
 termp_bd_pre(DECL_ARGS)
 {
-       size_t                   tabwidth, rm, rmax;
+       size_t                   tabwidth, lm, len, rm, rmax;
        struct mdoc_node        *nn;
 
        if (MDOC_BLOCK == n->type) {
@@ -1592,18 +1592,29 @@ termp_bd_pre(DECL_ARGS)
         */
 
        if (DISP_literal != n->norm->Bd.type &&
-           DISP_unfilled != n->norm->Bd.type)
+           DISP_unfilled != n->norm->Bd.type &&
+           DISP_centered != n->norm->Bd.type)
                return(1);
 
        tabwidth = p->tabwidth;
        if (DISP_literal == n->norm->Bd.type)
                p->tabwidth = term_len(p, 8);
 
+       lm = p->offset;
        rm = p->rmargin;
        rmax = p->maxrmargin;
        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
 
        for (nn = n->child; nn; nn = nn->next) {
+               if (DISP_centered == n->norm->Bd.type) {
+                       if (MDOC_TEXT == nn->type) {
+                               len = term_strlen(p, nn->string);
+                               p->offset = len >= rm ? 0 :
+                                   lm + len >= rm ? rm - len :
+                                   (lm + rm - len) / 2;
+                       } else
+                               p->offset = lm;
+               }
                print_mdoc_node(p, pair, meta, nn);
                /*
                 * If the printed node flushes its own line, then we