Next speed optimization step for the new apropos(1).

[mandoc.git] / mdoc_man.c

diff --git a/mdoc_man.c b/mdoc_man.c
index 97b3a78ef464a4f08ec10748b0d3b64f0295a29c..3830e558bca9456d8f241b198f7a6ccbbca7d723 100644 (file)
--- a/mdoc_man.c
+++ b/mdoc_man.c
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_man.c,v 1.54 2013/12/24 20:45:27 schwarze Exp $ */
+/*     $Id: mdoc_man.c,v 1.61 2014/03/30 23:34:32 schwarze Exp $ */
 /*
- * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2012, 2013, 2014 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
@@ -23,6 +23,7 @@
 #include <string.h>
 
 #include "mandoc.h"
+#include "mandoc_aux.h"
 #include "out.h"
 #include "man.h"
 #include "mdoc.h"
@@ -89,6 +90,7 @@ static        int       pre_in(DECL_ARGS);
 static int       pre_it(DECL_ARGS);
 static int       pre_lk(DECL_ARGS);
 static int       pre_li(DECL_ARGS);
+static int       pre_ll(DECL_ARGS);
 static int       pre_nm(DECL_ARGS);
 static int       pre_no(DECL_ARGS);
 static int       pre_ns(DECL_ARGS);
@@ -240,6 +242,7 @@ static      const struct manact manacts[MDOC_MAX + 1] = {
        { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
+       { NULL, pre_ll, post_sp, NULL, NULL }, /* ll */
        { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
 };
 
@@ -256,6 +259,7 @@ static      int             outflags;
 #define        MMAN_An_split   (1 << 9)  /* author mode is "split" */
 #define        MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
 #define        MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
+#define        MMAN_nbrword    (1 << 12) /* do not break the next word */
 
 #define        BL_STACK_MAX    32
 
@@ -364,6 +368,15 @@ print_word(const char *s)
                case (ASCII_HYPH):
                        putchar('-');
                        break;
+               case (ASCII_BREAK):
+                       printf("\\:");
+                       break;
+               case (' '):
+                       if (MMAN_nbrword & outflags) {
+                               printf("\\ ");
+                               break;
+                       }
+                       /* FALLTHROUGH */
                default:
                        putchar((unsigned char)*s);
                        break;
@@ -371,6 +384,7 @@ print_word(const char *s)
                if (TPremain)
                        TPremain--;
        }
+       outflags &= ~MMAN_nbrword;
 }
 
 static void
@@ -450,7 +464,7 @@ print_offs(const char *v)
 /*
  * Set up the indentation for a list item; used from pre_it().
  */
-void
+static void
 print_width(const char *v, const struct mdoc_node *child, size_t defsz)
 {
        char              buf[24];
@@ -502,7 +516,7 @@ print_width(const char *v, const struct mdoc_node *child, size_t defsz)
        TPremain = remain;
 }
 
-void
+static void
 print_count(int *count)
 {
        char              buf[12];
@@ -587,7 +601,7 @@ print_node(DECL_ARGS)
                 */
                act = manacts + n->tok;
                cond = NULL == act->cond || (*act->cond)(meta, n);
-               if (cond && act->pre)
+               if (cond && act->pre && ENDBODY_NOT == n->end)
                        do_sub = (*act->pre)(meta, n);
        }
 
@@ -603,8 +617,17 @@ print_node(DECL_ARGS)
        /*
         * Lastly, conditionally run the post-node handler.
         */
+       if (MDOC_ENDED & n->flags)
+               return;
+
        if (cond && act->post)
                (*act->post)(meta, n);
+
+       if (ENDBODY_NOT != n->end)
+               n->pending->flags |= MDOC_ENDED;
+
+       if (ENDBODY_NOSPACE == n->end)
+               outflags &= ~(MMAN_spc | MMAN_nl);
 }
 
 static int
@@ -642,7 +665,7 @@ post_enc(DECL_ARGS)
        suffix = manacts[n->tok].suffix;
        if (NULL == suffix)
                return;
-       outflags &= ~MMAN_spc;
+       outflags &= ~(MMAN_spc | MMAN_nl);
        print_word(suffix);
 }
 
@@ -1022,12 +1045,17 @@ post_eo(DECL_ARGS)
 static int
 pre_fa(DECL_ARGS)
 {
+       int      am_Fa;
 
-       if (MDOC_Fa == n->tok)
+       am_Fa = MDOC_Fa == n->tok;
+
+       if (am_Fa)
                n = n->child;
 
        while (NULL != n) {
                font_push('I');
+               if (am_Fa || MDOC_SYNPRETTY & n->flags)
+                       outflags |= MMAN_nbrword;
                print_node(meta, n);
                font_pop();
                if (NULL != (n = n->next))
@@ -1091,6 +1119,9 @@ pre_fn(DECL_ARGS)
        if (NULL == n)
                return(0);
 
+       if (MDOC_SYNPRETTY & n->flags)
+               print_block(".HP 4n", MMAN_nl);
+
        font_push('B');
        print_node(meta, n);
        font_pop();
@@ -1111,7 +1142,7 @@ post_fn(DECL_ARGS)
        print_word(")");
        if (MDOC_SYNPRETTY & n->flags) {
                print_word(";");
-               outflags |= MMAN_br;
+               outflags |= MMAN_PP;
        }
 }
 
@@ -1124,6 +1155,8 @@ pre_fo(DECL_ARGS)
                pre_syn(n);
                break;
        case (MDOC_HEAD):
+               if (MDOC_SYNPRETTY & n->flags)
+                       print_block(".HP 4n", MMAN_nl);
                font_push('B');
                break;
        case (MDOC_BODY):
@@ -1136,7 +1169,7 @@ pre_fo(DECL_ARGS)
        }
        return(1);
 }
-               
+
 static void
 post_fo(DECL_ARGS)
 {
@@ -1383,6 +1416,14 @@ pre_lk(DECL_ARGS)
        return(0);
 }
 
+static int
+pre_ll(DECL_ARGS)
+{
+
+       print_line(".ll", 0);
+       return(1);
+}
+
 static int
 pre_li(DECL_ARGS)
 {