Tedu support for the -xsh4.2 argument to the mdoc(7) .St macro

[mandoc.git] / mdoc_state.c

diff --git a/mdoc_state.c b/mdoc_state.c
index d0ee6c25adfb19b7345dd41bd5e9ef9068b7a26f..d696ff27e06c40075b8f8805c3d2a9515ef2ee4d 100644 (file)
--- a/mdoc_state.c
+++ b/mdoc_state.c
@@ -1,4 +1,4 @@
-/*     $Id: mdoc_state.c,v 1.7 2017/05/05 13:17:55 schwarze Exp $ */
+/* $Id: mdoc_state.c,v 1.17 2020/06/22 19:20:40 schwarze Exp $ */
 /*
  * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -14,9 +14,12 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#include "config.h"
+
 #include <sys/types.h>
 
 #include <assert.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -24,19 +27,18 @@
 #include "roff.h"
 #include "mdoc.h"
 #include "libmandoc.h"
+#include "roff_int.h"
 #include "libmdoc.h"
 
 #define STATE_ARGS  struct roff_man *mdoc, struct roff_node *n
 
 typedef        void    (*state_handler)(STATE_ARGS);
 
-static void     state_bd(STATE_ARGS);
 static void     state_bl(STATE_ARGS);
-static void     state_dl(STATE_ARGS);
 static void     state_sh(STATE_ARGS);
 static void     state_sm(STATE_ARGS);
 
-static const state_handler __state_handlers[MDOC_MAX - MDOC_Dd] = {
+static const state_handler state_handlers[MDOC_MAX - MDOC_Dd] = {
        NULL,           /* Dd */
        NULL,           /* Dt */
        NULL,           /* Os */
@@ -44,8 +46,8 @@ static        const state_handler __state_handlers[MDOC_MAX - MDOC_Dd] = {
        NULL,           /* Ss */
        NULL,           /* Pp */
        NULL,           /* D1 */
-       state_dl,       /* Dl */
-       state_bd,       /* Bd */
+       NULL,           /* Dl */
+       NULL,           /* Bd */
        NULL,           /* Ed */
        state_bl,       /* Bl */
        NULL,           /* El */
@@ -155,11 +157,10 @@ static    const state_handler __state_handlers[MDOC_MAX - MDOC_Dd] = {
        NULL,           /* En */
        NULL,           /* Dx */
        NULL,           /* %Q */
-       NULL,           /* sp */
        NULL,           /* %U */
        NULL,           /* Ta */
+       NULL,           /* Tg */
 };
-static const state_handler *const state_handlers = __state_handlers - MDOC_Dd;
 
 
 void
@@ -171,73 +172,35 @@ mdoc_state(struct roff_man *mdoc, struct roff_node *n)
                return;
 
        assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
-       if ( ! (mdoc_macros[n->tok].flags & MDOC_PROLOGUE))
+       if ((mdoc_macro(n->tok)->flags & MDOC_PROLOGUE) == 0)
                mdoc->flags |= MDOC_PBODY;
 
-       handler = state_handlers[n->tok];
+       handler = state_handlers[n->tok - MDOC_Dd];
        if (*handler)
                (*handler)(mdoc, n);
 }
 
-void
-mdoc_state_reset(struct roff_man *mdoc)
-{
-
-       roff_setreg(mdoc->roff, "nS", 0, '=');
-       mdoc->flags = 0;
-}
-
-static void
-state_bd(STATE_ARGS)
-{
-       enum mdocargt arg;
-
-       if (n->type != ROFFT_HEAD &&
-           (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
-               return;
-
-       if (n->parent->args == NULL)
-               return;
-
-       arg = n->parent->args->argv[0].arg;
-       if (arg != MDOC_Literal && arg != MDOC_Unfilled)
-               return;
-
-       state_dl(mdoc, n);
-}
-
 static void
 state_bl(STATE_ARGS)
 {
+       struct mdoc_arg *args;
+       size_t           i;
 
        if (n->type != ROFFT_HEAD || n->parent->args == NULL)
                return;
 
-       switch(n->parent->args->argv[0].arg) {
-       case MDOC_Diag:
-               n->norm->Bl.type = LIST_diag;
-               break;
-       case MDOC_Column:
-               n->norm->Bl.type = LIST_column;
-               break;
-       default:
-               break;
-       }
-}
-
-static void
-state_dl(STATE_ARGS)
-{
-
-       switch (n->type) {
-       case ROFFT_HEAD:
-               mdoc->flags |= MDOC_LITERAL;
-               break;
-       case ROFFT_BODY:
-               mdoc->flags &= ~MDOC_LITERAL;
-               break;
-       default:
-               break;
+       args = n->parent->args;
+       for (i = 0; i < args->argc; i++) {
+               switch(args->argv[i].arg) {
+               case MDOC_Diag:
+                       n->norm->Bl.type = LIST_diag;
+                       return;
+               case MDOC_Column:
+                       n->norm->Bl.type = LIST_column;
+                       return;
+               default:
+                       break;
+               }
        }
 }