Handle nested, recursive mathematical subexpressions. This is

[mandoc.git] / man_html.c

diff --git a/man_html.c b/man_html.c
index 75900970aea0e4feabe629e043c23563f5906ac3..0a386e07db7a4d1c8e4afa8774380a3fc2535d1a 100644 (file)
--- a/man_html.c
+++ b/man_html.c
@@ -1,6 +1,6 @@
-/*     $Id: man_html.c,v 1.31 2010/05/15 15:54:39 kristaps Exp $ */
+/*     $Id: man_html.c,v 1.45 2010/07/23 12:27:28 kristaps Exp $ */

 /*
 /*

- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>

  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -26,6 +26,7 @@
 #include <stdlib.h>
 #include <string.h>
 
 #include <stdlib.h>
 #include <string.h>
 

+#include "mandoc.h"

 #include "out.h"
 #include "html.h"
 #include "man.h"
 #include "out.h"
 #include "html.h"
 #include "man.h"


@@ -39,8 +40,14 @@
 
 #define        MAN_ARGS          const struct man_meta *m, \
                          const struct man_node *n, \
 
 #define        MAN_ARGS          const struct man_meta *m, \
                          const struct man_node *n, \

+                         struct mhtml *mh, \

                          struct html *h
 
                          struct html *h
 

+struct mhtml {
+       int               fl;
+#define        MANH_LITERAL     (1 << 0) /* literal context */
+};
+

 struct htmlman {
        int             (*pre)(MAN_ARGS);
        int             (*post)(MAN_ARGS);
 struct htmlman {
        int             (*pre)(MAN_ARGS);
        int             (*post)(MAN_ARGS);


@@ -57,6 +64,8 @@ static        int               a2width(const struct man_node *,
 static int               man_alt_pre(MAN_ARGS);
 static int               man_br_pre(MAN_ARGS);
 static int               man_ign_pre(MAN_ARGS);
 static int               man_alt_pre(MAN_ARGS);
 static int               man_br_pre(MAN_ARGS);
 static int               man_ign_pre(MAN_ARGS);

+static int               man_in_pre(MAN_ARGS);
+static int               man_literal_pre(MAN_ARGS);

 static void              man_root_post(MAN_ARGS);
 static int               man_root_pre(MAN_ARGS);
 static int               man_B_pre(MAN_ARGS);
 static void              man_root_post(MAN_ARGS);
 static int               man_root_pre(MAN_ARGS);
 static int               man_B_pre(MAN_ARGS);


@@ -95,8 +104,8 @@ static       const struct htmlman mans[MAN_MAX] = {
        { NULL, NULL }, /* na */
        { NULL, NULL }, /* i */
        { man_br_pre, NULL }, /* sp */
        { NULL, NULL }, /* na */
        { NULL, NULL }, /* i */
        { man_br_pre, NULL }, /* sp */

-       { NULL, NULL }, /* nf */
-       { NULL, NULL }, /* fi */
+       { man_literal_pre, NULL }, /* nf */
+       { man_literal_pre, NULL }, /* fi */

        { NULL, NULL }, /* r */
        { NULL, NULL }, /* RE */
        { man_RS_pre, NULL }, /* RS */
        { NULL, NULL }, /* r */
        { NULL, NULL }, /* RE */
        { man_RS_pre, NULL }, /* RS */


@@ -104,14 +113,10 @@ static    const struct htmlman mans[MAN_MAX] = {
        { man_ign_pre, NULL }, /* UC */
        { man_ign_pre, NULL }, /* PD */
        { man_br_pre, NULL }, /* Sp */
        { man_ign_pre, NULL }, /* UC */
        { man_ign_pre, NULL }, /* PD */
        { man_br_pre, NULL }, /* Sp */

-       { man_ign_pre, NULL }, /* Vb */
-       { NULL, NULL }, /* Ve */
-       { man_ign_pre, NULL }, /* de */
-       { man_ign_pre, NULL }, /* dei */
-       { man_ign_pre, NULL }, /* am */
-       { man_ign_pre, NULL }, /* ami */
-       { man_ign_pre, NULL }, /* ig */
-       { NULL, NULL }, /* . */
+       { man_literal_pre, NULL }, /* Vb */
+       { man_literal_pre, NULL }, /* Ve */
+       { man_ign_pre, NULL }, /* AT */
+       { man_in_pre, NULL }, /* in */

 };
 
 
 };
 
 


@@ -120,13 +125,16 @@ html_man(void *arg, const struct man *m)
 {
        struct html     *h;
        struct tag      *t;
 {
        struct html     *h;
        struct tag      *t;

+       struct mhtml     mh;

 
        h = (struct html *)arg;
 
        print_gen_decls(h);
 
 
        h = (struct html *)arg;
 
        print_gen_decls(h);
 

+       memset(&mh, 0, sizeof(struct mhtml));
+

        t = print_otag(h, TAG_HTML, 0, NULL);
        t = print_otag(h, TAG_HTML, 0, NULL);

-       print_man(man_meta(m), man_node(m), h);
+       print_man(man_meta(m), man_node(m), &mh, h);

        print_tagq(h, t);
 
        printf("\n");
        print_tagq(h, t);
 
        printf("\n");


@@ -141,7 +149,7 @@ print_man(MAN_ARGS)
 
        t = print_otag(h, TAG_HEAD, 0, NULL);
 
 
        t = print_otag(h, TAG_HEAD, 0, NULL);
 

-       print_man_head(m, n, h);
+       print_man_head(m, n, mh, h);

        print_tagq(h, t);
        t = print_otag(h, TAG_BODY, 0, NULL);
 
        print_tagq(h, t);
        t = print_otag(h, TAG_BODY, 0, NULL);
 


@@ -149,7 +157,7 @@ print_man(MAN_ARGS)
        tag.val = "body";
        print_otag(h, TAG_DIV, 1, &tag);
 
        tag.val = "body";
        print_otag(h, TAG_DIV, 1, &tag);
 

-       print_man_nodelist(m, n, h);
+       print_man_nodelist(m, n, mh, h);

 
        print_tagq(h, t);
 }
 
        print_tagq(h, t);
 }


@@ -173,9 +181,9 @@ static void
 print_man_nodelist(MAN_ARGS)
 {
 
 print_man_nodelist(MAN_ARGS)
 {
 

-       print_man_node(m, n, h);
+       print_man_node(m, n, mh, h);

        if (n->next)
        if (n->next)

-               print_man_nodelist(m, n->next, h);
+               print_man_nodelist(m, n->next, mh, h);

 }
 
 
 }
 
 


@@ -198,10 +206,14 @@ print_man_node(MAN_ARGS)
 
        switch (n->type) {
        case (MAN_ROOT):
 
        switch (n->type) {
        case (MAN_ROOT):

-               child = man_root_pre(m, n, h);
+               child = man_root_pre(m, n, mh, h);

                break;
        case (MAN_TEXT):
                print_text(h, n->string);
                break;
        case (MAN_TEXT):
                print_text(h, n->string);

+
+               if (MANH_LITERAL & mh->fl)
+                       print_otag(h, TAG_BR, 0, NULL);
+

                return;
        default:
                /* 
                return;
        default:
                /* 


@@ -216,12 +228,12 @@ print_man_node(MAN_ARGS)
                        t = h->tags.head;
                }
                if (mans[n->tok].pre)
                        t = h->tags.head;
                }
                if (mans[n->tok].pre)

-                       child = (*mans[n->tok].pre)(m, n, h);
+                       child = (*mans[n->tok].pre)(m, n, mh, h);

                break;
        }
 
        if (child && n->child)
                break;
        }
 
        if (child && n->child)

-               print_man_nodelist(m, n->child, h);
+               print_man_nodelist(m, n->child, mh, h);

 
        /* This will automatically close out any font scope. */
        print_stagq(h, t);
 
        /* This will automatically close out any font scope. */
        print_stagq(h, t);


@@ -230,13 +242,13 @@ print_man_node(MAN_ARGS)
 
        switch (n->type) {
        case (MAN_ROOT):
 
        switch (n->type) {
        case (MAN_ROOT):

-               man_root_post(m, n, h);
+               man_root_post(m, n, mh, h);

                break;
        case (MAN_TEXT):
                break;
        default:
                if (mans[n->tok].post)
                break;
        case (MAN_TEXT):
                break;
        default:
                if (mans[n->tok].post)

-                       (*mans[n->tok].post)(m, n, h);
+                       (*mans[n->tok].post)(m, n, mh, h);

                break;
        }
 }
                break;
        }
 }


@@ -312,7 +324,10 @@ man_root_post(MAN_ARGS)
        struct tag      *t, *tt;
        char             b[DATESIZ];
 
        struct tag      *t, *tt;
        char             b[DATESIZ];
 

-       time2a(m->date, b, DATESIZ);
+       if (m->rawdate)
+               strlcpy(b, m->rawdate, DATESIZ);
+       else
+               time2a(m->date, b, DATESIZ);

 
        PAIR_CLASS_INIT(&tag[0], "footer");
        bufcat_style(h, "width", "100%");
 
        PAIR_CLASS_INIT(&tag[0], "footer");
        bufcat_style(h, "width", "100%");


@@ -454,7 +469,7 @@ man_alt_pre(MAN_ARGS)
                 * closed out with the scope.
                 */
                t = print_ofont(h, fp);
                 * closed out with the scope.
                 */
                t = print_ofont(h, fp);

-               print_man_node(m, nn, h);
+               print_man_node(m, nn, mh, h);

                print_tagq(h, t);
        }
 
                print_tagq(h, t);
        }
 


@@ -648,10 +663,10 @@ man_IP_pre(MAN_ARGS)
 
        if (MAN_IP == n->tok)
                for (nn = n->child; nn->next; nn = nn->next)
 
        if (MAN_IP == n->tok)
                for (nn = n->child; nn->next; nn = nn->next)

-                       print_man_node(m, nn, h);
+                       print_man_node(m, nn, mh, h);

        if (MAN_TP == n->tok)
                for (nn = n->child->next; nn; nn = nn->next)
        if (MAN_TP == n->tok)
                for (nn = n->child->next; nn; nn = nn->next)

-                       print_man_node(m, nn, h);
+                       print_man_node(m, nn, mh, h);

 
        return(0);
 }
 
        return(0);
 }


@@ -716,6 +731,37 @@ man_I_pre(MAN_ARGS)
 }
 
 
 }
 
 

+/* ARGSUSED */
+static int
+man_literal_pre(MAN_ARGS)
+{
+
+       switch (n->tok) {
+       case (MAN_nf):
+               /* FALLTHROUGH */
+       case (MAN_Vb):
+               print_otag(h, TAG_BR, 0, NULL);
+               mh->fl |= MANH_LITERAL;
+               return(MAN_Vb != n->tok);
+       default:
+               mh->fl &= ~MANH_LITERAL;
+               break;
+       }
+
+       return(1);
+}
+
+
+/* ARGSUSED */
+static int
+man_in_pre(MAN_ARGS)
+{
+
+       print_otag(h, TAG_BR, 0, NULL);
+       return(0);
+}
+
+

 /* ARGSUSED */
 static int
 man_ign_pre(MAN_ARGS)
 /* ARGSUSED */
 static int
 man_ign_pre(MAN_ARGS)