Add a test case for nesting of .RS/.RE

[mandoc.git] / mdoc_term.c

diff --git a/mdoc_term.c b/mdoc_term.c
index 6197f10d4bf56c45b01a404fe357f2f3a5d53865..b0e3a68f3ac1e410d0ef2de636b24404f4014b7e 100644 (file)
--- a/mdoc_term.c
+++ b/mdoc_term.c
@@ -1,4 +1,4 @@
-/*     $Id: mdoc_term.c,v 1.113 2010/04/03 14:25:12 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>
  *
@@ -22,6 +22,7 @@
 
 #include <assert.h>
 #include <ctype.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -58,6 +59,7 @@ static        int       arg_hasattr(int, const struct mdoc_node *);
 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 *,
@@ -93,12 +95,12 @@ static      void      termp_sq_post(DECL_ARGS);
 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);
@@ -148,7 +150,7 @@ static      const struct termact termacts[MDOC_MAX] = {
        { 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 */ 
@@ -187,7 +189,7 @@ static      const struct termact termacts[MDOC_MAX] = {
        { 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 */
@@ -271,7 +273,7 @@ terminal_mdoc(void *arg, const struct mdoc *mdoc)
        p = (struct termp *)arg;
 
        p->overstep = 0;
-       p->maxrmargin = 78;
+       p->maxrmargin = p->defrmargin;
 
        if (NULL == p->symtab)
                switch (p->enc) {
@@ -335,6 +337,9 @@ print_mdoc_node(DECL_ARGS)
                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;
 }
@@ -420,7 +425,7 @@ print_mdoc_head(DECL_ARGS)
                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;
@@ -477,6 +482,35 @@ a2width(const struct mdoc_argv *arg, int pos)
 }
 
 
+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)
 {
@@ -1051,7 +1085,7 @@ static int
 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);
@@ -1070,10 +1104,10 @@ termp_fl_pre(DECL_ARGS)
        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);
 }
@@ -1126,7 +1160,7 @@ termp_an_post(DECL_ARGS)
                return;
        }
 
-       if (arg_getattr(MDOC_Split, n) > -1) {
+       if (arg_hasattr(MDOC_Split, n)) {
                p->flags &= ~TERMP_NOSPLIT;
                p->flags |= TERMP_SPLIT;
        } else {
@@ -1249,6 +1283,15 @@ termp_nd_pre(DECL_ARGS)
 }
 
 
+/* ARGSUSED */
+static int
+termp_bl_pre(DECL_ARGS)
+{
+
+       return(MDOC_HEAD != n->type);
+}
+
+
 /* ARGSUSED */
 static void
 termp_bl_post(DECL_ARGS)
@@ -1341,7 +1384,7 @@ static void
 termp_fd_post(DECL_ARGS)
 {
 
-       if (n->sec != SEC_SYNOPSIS)
+       if (n->sec != SEC_SYNOPSIS || ! (MDOC_LINE & n->flags))
                return;
 
        term_newln(p);
@@ -1428,7 +1471,7 @@ static void
 termp_lb_post(DECL_ARGS)
 {
 
-       if (SEC_LIBRARY == n->sec)
+       if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
                term_newln(p);
 }
 
@@ -1497,7 +1540,7 @@ static int
 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);
 
@@ -1511,7 +1554,7 @@ static void
 termp_ft_post(DECL_ARGS)
 {
 
-       if (SEC_SYNOPSIS == n->sec)
+       if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
                term_newln(p);
 }
 
@@ -1552,7 +1595,7 @@ static void
 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);
 }
 
@@ -1589,36 +1632,22 @@ static int
 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
@@ -1628,10 +1657,13 @@ termp_bd_pre(DECL_ARGS)
         * 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);
@@ -1643,6 +1675,8 @@ termp_bd_pre(DECL_ARGS)
                        term_flushln(p);
        }
 
+       p->rmargin = rm;
+       p->maxrmargin = rmax;
        return(0);
 }
 
@@ -1651,11 +1685,26 @@ termp_bd_pre(DECL_ARGS)
 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;
 }
 
 
@@ -1845,7 +1894,7 @@ termp_in_post(DECL_ARGS)
        term_word(p, ">");
        term_fontpop(p);
 
-       if (SEC_SYNOPSIS != n->sec)
+       if (SEC_SYNOPSIS != n->sec && ! (MDOC_LINE & n->flags))
                return;
 
        term_newln(p);
@@ -2070,14 +2119,6 @@ termp____post(DECL_ARGS)
        /* 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 ? "," : ".");
 }
 
@@ -2127,14 +2168,3 @@ termp_under_pre(DECL_ARGS)
        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);
-}