]> git.cameronkatri.com Git - mandoc.git/blobdiff - mdoc_html.c
"sys/param.h is for kernel interface programs.
[mandoc.git] / mdoc_html.c
index e4337efb85a2b30f9c001db1792c1c537df81fc4..1ee5c07667e1ca1baf1c77b4e59edb546c81f4a5 100644 (file)
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_html.c,v 1.81 2010/06/12 11:58:22 kristaps Exp $ */
+/*     $Id: mdoc_html.c,v 1.102 2010/08/20 01:02:07 schwarze 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
@@ -72,6 +72,8 @@ static        int               mdoc_aq_pre(MDOC_ARGS);
 static int               mdoc_ar_pre(MDOC_ARGS);
 static int               mdoc_bd_pre(MDOC_ARGS);
 static int               mdoc_bf_pre(MDOC_ARGS);
+static void              mdoc_bk_post(MDOC_ARGS);
+static int               mdoc_bk_pre(MDOC_ARGS);
 static void              mdoc_bl_post(MDOC_ARGS);
 static int               mdoc_bl_pre(MDOC_ARGS);
 static void              mdoc_bq_post(MDOC_ARGS);
@@ -123,6 +125,7 @@ static      int               mdoc_pq_pre(MDOC_ARGS);
 static int               mdoc_rs_pre(MDOC_ARGS);
 static int               mdoc_rv_pre(MDOC_ARGS);
 static int               mdoc_sh_pre(MDOC_ARGS);
+static int               mdoc_sm_pre(MDOC_ARGS);
 static int               mdoc_sp_pre(MDOC_ARGS);
 static void              mdoc_sq_post(MDOC_ARGS);
 static int               mdoc_sq_pre(MDOC_ARGS);
@@ -207,7 +210,7 @@ static      const struct htmlmdoc mdocs[MDOC_MAX] = {
        {mdoc_em_pre, NULL}, /* Em */ 
        {NULL, NULL}, /* Eo */
        {mdoc_xx_pre, NULL}, /* Fx */
-       {mdoc_ms_pre, NULL}, /* Ms */ /* FIXME: convert to symbol? */
+       {mdoc_ms_pre, NULL}, /* Ms */
        {NULL, NULL}, /* No */
        {mdoc_ns_pre, NULL}, /* Ns */
        {mdoc_xx_pre, NULL}, /* Nx */
@@ -225,7 +228,7 @@ static      const struct htmlmdoc mdocs[MDOC_MAX] = {
        {NULL, NULL}, /* Sc */
        {mdoc_sq_pre, mdoc_sq_post}, /* So */
        {mdoc_sq_pre, mdoc_sq_post}, /* Sq */
-       {NULL, NULL}, /* Sm */ /* FIXME - no idea. */
+       {mdoc_sm_pre, NULL}, /* Sm */ 
        {mdoc_sx_pre, NULL}, /* Sx */
        {mdoc_sy_pre, NULL}, /* Sy */
        {NULL, NULL}, /* Tn */
@@ -236,7 +239,7 @@ static      const struct htmlmdoc mdocs[MDOC_MAX] = {
        {NULL, NULL}, /* Fc */ 
        {mdoc_op_pre, mdoc_op_post}, /* Oo */
        {NULL, NULL}, /* Oc */
-       {NULL, NULL}, /* Bk */
+       {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
        {NULL, NULL}, /* Ek */
        {mdoc_bt_pre, NULL}, /* Bt */
        {NULL, NULL}, /* Hf */
@@ -303,7 +306,7 @@ synopsis_pre(struct html *h, const struct mdoc_node *n)
        struct roffsu    su;
        struct htmlpair  tag;
 
-       if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
+       if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
                return;
 
        SCALE_VS_INIT(&su, 1);
@@ -436,11 +439,23 @@ print_mdoc_node(MDOC_ARGS)
                print_text(h, n->string);
                return;
        default:
-               if (mdocs[n->tok].pre)
+               if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
                        child = (*mdocs[n->tok].pre)(m, n, h);
                break;
        }
 
+       if (HTML_KEEP & h->flags) {
+               if (n->prev && n->prev->line != n->line) {
+                       h->flags &= ~HTML_KEEP;
+                       h->flags |= HTML_PREKEEP;
+               } else if (NULL == n->prev) {
+                       if (n->parent && n->parent->line != n->line) {
+                               h->flags &= ~HTML_KEEP;
+                               h->flags |= HTML_PREKEEP;
+                       }
+               }
+       }
+
        if (child && n->child)
                print_mdoc_nodelist(m, n->child, h);
 
@@ -452,7 +467,7 @@ print_mdoc_node(MDOC_ARGS)
                mdoc_root_post(m, n, h);
                break;
        default:
-               if (mdocs[n->tok].post)
+               if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
                        (*mdocs[n->tok].post)(m, n, h);
                break;
        }
@@ -735,17 +750,70 @@ mdoc_op_post(MDOC_ARGS)
 static int
 mdoc_nm_pre(MDOC_ARGS)
 {
-       struct htmlpair tag;
+       struct htmlpair  tag;
+       struct roffsu    su;
+       const char      *cp;
 
-       if (NULL == n->child && NULL == m->name)
-               return(1);
+       /*
+        * Accomodate for `Nm' being both an element (which may have
+        * NULL children AND no m->name) and a block.
+        */
 
-       synopsis_pre(h, n);
+       cp = NULL;
+
+       if (MDOC_ELEM == n->type) {
+               if (NULL == n->child && NULL == m->name)
+                       return(1);
+               synopsis_pre(h, n);
+               PAIR_CLASS_INIT(&tag, "name");
+               print_otag(h, TAG_SPAN, 1, &tag);
+               if (NULL == n->child)
+                       print_text(h, m->name);
+       } else if (MDOC_BLOCK == n->type) {
+               synopsis_pre(h, n);
+
+               bufcat_style(h, "clear", "both");
+               if (n->head->child || m->name) {
+                       if (n->head->child && MDOC_TEXT == 
+                                       n->head->child->type)
+                               cp = n->head->child->string;
+                       if (NULL == cp || '\0' == *cp)
+                               cp = m->name;
+
+                       SCALE_HS_INIT(&su, (double)strlen(cp));
+                       bufcat_su(h, "padding-left", &su);
+               }
+
+               PAIR_STYLE_INIT(&tag, h);
+               print_otag(h, TAG_DIV, 1, &tag);
+       } else if (MDOC_HEAD == n->type) { 
+               if (NULL == n->child && NULL == m->name)
+                       return(1);
+
+               if (n->child && MDOC_TEXT == n->child->type)
+                       cp = n->child->string;
+               if (NULL == cp || '\0' == *cp)
+                       cp = m->name;
+
+               SCALE_HS_INIT(&su, (double)strlen(cp));
+
+               bufcat_style(h, "float", "left");
+               bufcat_su(h, "min-width", &su);
+               SCALE_INVERT(&su);
+               bufcat_su(h, "margin-left", &su);
+
+               PAIR_STYLE_INIT(&tag, h);
+               print_otag(h, TAG_DIV, 1, &tag);
+
+               if (NULL == n->child)
+                       print_text(h, m->name);
+       } else if (MDOC_BODY == n->type) {
+               SCALE_HS_INIT(&su, 2);
+               bufcat_su(h, "margin-left", &su);
+               PAIR_STYLE_INIT(&tag, h);
+               print_otag(h, TAG_DIV, 1, &tag);
+       }
 
-       PAIR_CLASS_INIT(&tag, "name");
-       print_otag(h, TAG_SPAN, 1, &tag);
-       if (NULL == n->child)
-               print_text(h, m->name);
        return(1);
 }
 
@@ -1020,7 +1088,7 @@ mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
 static int
 mdoc_it_pre(MDOC_ARGS)
 {
-       int                      i, wp, comp;
+       int                      i, comp;
        const struct mdoc_node  *bl, *nn;
        struct roffsu            width, offs;
        enum mdoc_list           type;
@@ -1035,11 +1103,14 @@ mdoc_it_pre(MDOC_ARGS)
        if (MDOC_BLOCK != n->type)
                bl = bl->parent;
 
-       type = bl->data.Bl.type;
+       SCALE_HS_INIT(&offs, 0);
 
-       /* Set default width and offset. */
+       assert(bl->data.Bl);
+       type = bl->data.Bl->type;
+       comp = bl->data.Bl->comp;
 
-       SCALE_HS_INIT(&offs, 0);
+       if (bl->data.Bl->offs)
+               a2offs(bl->data.Bl->offs, &offs);
 
        switch (type) {
        case (LIST_enum):
@@ -1056,26 +1127,8 @@ mdoc_it_pre(MDOC_ARGS)
                break;
        }
 
-       /* Get width, offset, and compact arguments. */
-
-       wp = -1;
-       for (comp = i = 0; bl->args && i < (int)bl->args->argc; i++) 
-               switch (bl->args->argv[i].arg) {
-               case (MDOC_Column):
-                       wp = i; /* Save for later. */
-                       break;
-               case (MDOC_Width):
-                       a2width(bl->args->argv[i].value[0], &width);
-                       break;
-               case (MDOC_Offset):
-                       a2offs(bl->args->argv[i].value[0], &offs);
-                       break;
-               case (MDOC_Compact):
-                       comp = 1;
-                       break;
-               default:
-                       break;
-               }
+       if (bl->data.Bl->width)
+               a2width(bl->data.Bl->width, &width);
 
        /* Override width in some cases. */
 
@@ -1100,8 +1153,8 @@ mdoc_it_pre(MDOC_ARGS)
                for (i = 0; nn && nn != n; nn = nn->next)
                        if (MDOC_BODY == nn->type)
                                i++;
-               if (i < (int)bl->args->argv[wp].sz)
-                       a2width(bl->args->argv[wp].value[i], &width);
+               if (i < (int)bl->data.Bl->ncols)
+                       a2width(bl->data.Bl->cols[i], &width);
        }
 
        if (MDOC_HEAD == n->type)
@@ -1123,13 +1176,14 @@ mdoc_bl_pre(MDOC_ARGS)
                return(0);
        if (MDOC_BLOCK != n->type)
                return(1);
-       if (LIST_enum != n->data.Bl.type)
+       assert(n->data.Bl);
+       if (LIST_enum != n->data.Bl->type)
                return(1);
 
        ord = malloc(sizeof(struct ord));
        if (NULL == ord) {
                perror(NULL);
-               exit(EXIT_FAILURE);
+               exit(MANDOCLEVEL_SYSERR);
        }
        ord->cookie = n;
        ord->pos = 1;
@@ -1147,7 +1201,7 @@ mdoc_bl_post(MDOC_ARGS)
 
        if (MDOC_BLOCK != n->type)
                return;
-       if (LIST_enum != n->data.Bl.type)
+       if (LIST_enum != n->data.Bl->type)
                return;
 
        ord = h->ords.head;
@@ -1362,10 +1416,11 @@ mdoc_bd_pre(MDOC_ARGS)
 
        SCALE_VS_INIT(&su, 0);
 
-       if (n->data.Bd.offs)
-               a2offs(n->data.Bd.offs, &su);
+       assert(n->data.Bd);
+       if (n->data.Bd->offs)
+               a2offs(n->data.Bd->offs, &su);
 
-       comp = n->data.Bd.comp;
+       comp = n->data.Bd->comp;
 
        /* FIXME: -centered, etc. formatting. */
        /* FIXME: does not respect -offset ??? */
@@ -1392,8 +1447,8 @@ mdoc_bd_pre(MDOC_ARGS)
                return(1);
        }
 
-       if (DISP_unfilled != n->data.Bd.type && 
-                       DISP_literal != n->data.Bd.type)
+       if (DISP_unfilled != n->data.Bd->type && 
+                       DISP_literal != n->data.Bd->type)
                return(1);
 
        PAIR_CLASS_INIT(&tag[0], "lit");
@@ -1402,14 +1457,11 @@ mdoc_bd_pre(MDOC_ARGS)
        print_otag(h, TAG_DIV, 2, tag);
 
        for (nn = n->child; nn; nn = nn->next) {
-               h->flags |= HTML_NOSPACE;
                print_mdoc_node(m, nn, h);
-               if (NULL == nn->next)
+               if (nn->next && nn->next->line == nn->line)
                        continue;
-               if (nn->prev && nn->prev->line < nn->line)
-                       print_text(h, "\n");
-               else if (NULL == nn->prev)
-                       print_text(h, "\n");
+               print_text(h, "\n");
+               h->flags |= HTML_NOSPACE;
        }
 
        return(0);
@@ -1619,7 +1671,7 @@ mdoc_fn_pre(MDOC_ARGS)
         */
 
 #if 0
-       if (SEC_SYNOPSIS == n->sec) {
+       if (MDOC_SYNPRETTY & n->flags) {
                nbuf[0] = '\0';
                html_idcat(nbuf, sp, BUFSIZ);
                PAIR_ID_INIT(&tag[1], nbuf);
@@ -1649,7 +1701,7 @@ mdoc_fn_pre(MDOC_ARGS)
 
        for (nn = n->child->next; nn; nn = nn->next) {
                i = 1;
-               if (SEC_SYNOPSIS == n->sec)
+               if (MDOC_SYNPRETTY & n->flags)
                        i = 2;
                t = print_otag(h, TAG_SPAN, i, tag);
                print_text(h, nn->string);
@@ -1659,13 +1711,30 @@ mdoc_fn_pre(MDOC_ARGS)
        }
 
        print_text(h, ")");
-       if (SEC_SYNOPSIS == n->sec)
+       if (MDOC_SYNPRETTY & n->flags)
                print_text(h, ";");
 
        return(0);
 }
 
 
+/* ARGSUSED */
+static int
+mdoc_sm_pre(MDOC_ARGS)
+{
+
+       assert(n->child && MDOC_TEXT == n->child->type);
+       if (0 == strcmp("on", n->child->string)) {
+               /* FIXME: no p->col to check... */
+               h->flags &= ~HTML_NOSPACE;
+               h->flags &= ~HTML_NONOSPACE;
+       } else
+               h->flags |= HTML_NONOSPACE;
+
+       return(0);
+}
+
+
 /* ARGSUSED */
 static int
 mdoc_sp_pre(MDOC_ARGS)
@@ -1683,6 +1752,11 @@ mdoc_sp_pre(MDOC_ARGS)
                len = 0;
                break;
        default:
+               assert(n->parent);
+               if ((NULL == n->next || NULL == n->prev) &&
+                               (MDOC_Ss == n->parent->tok ||
+                                MDOC_Sh == n->parent->tok))
+                       return(0);
                len = 1;
                break;
        }
@@ -1829,7 +1903,7 @@ mdoc_in_pre(MDOC_ARGS)
        PAIR_CLASS_INIT(&tag[0], "includes");
        print_otag(h, TAG_SPAN, 1, tag);
 
-       if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
+       if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
                print_text(h, "#include");
 
        print_text(h, "<");
@@ -1964,46 +2038,33 @@ mdoc_ap_pre(MDOC_ARGS)
 static int
 mdoc_bf_pre(MDOC_ARGS)
 {
-       int              i;
        struct htmlpair  tag[2];
        struct roffsu    su;
 
        if (MDOC_HEAD == n->type)
                return(0);
-       else if (MDOC_BLOCK != n->type)
+       else if (MDOC_BODY != n->type)
                return(1);
 
-       PAIR_CLASS_INIT(&tag[0], "lit");
+       assert(n->data.Bf);
 
-       if (n->head->child) {
-               if ( ! strcmp("Em", n->head->child->string))
-                       PAIR_CLASS_INIT(&tag[0], "emph");
-               else if ( ! strcmp("Sy", n->head->child->string))
-                       PAIR_CLASS_INIT(&tag[0], "symb");
-               else if ( ! strcmp("Li", n->head->child->string))
-                       PAIR_CLASS_INIT(&tag[0], "lit");
-       } else {
-               for (i = 0; n->args && i < (int)n->args->argc; i++) 
-                       switch (n->args->argv[i].arg) {
-                       case (MDOC_Symbolic):
-                               PAIR_CLASS_INIT(&tag[0], "symb");
-                               break;
-                       case (MDOC_Literal):
-                               PAIR_CLASS_INIT(&tag[0], "lit");
-                               break;
-                       case (MDOC_Emphasis):
-                               PAIR_CLASS_INIT(&tag[0], "emph");
-                               break;
-                       default:
-                               break;
-                       }
-       }
-
-       /* FIXME: div's have spaces stripped--we want them. */
+       if (FONT_Em == n->data.Bf->font) 
+               PAIR_CLASS_INIT(&tag[0], "emph");
+       else if (FONT_Sy == n->data.Bf->font) 
+               PAIR_CLASS_INIT(&tag[0], "symb");
+       else if (FONT_Li == n->data.Bf->font) 
+               PAIR_CLASS_INIT(&tag[0], "lit");
+       else
+               PAIR_CLASS_INIT(&tag[0], "none");
 
+       /* 
+        * We want this to be inline-formatted, but needs to be div to
+        * accept block children. 
+        */
        bufcat_style(h, "display", "inline");
        SCALE_HS_INIT(&su, 1);
-       bufcat_su(h, "margin-right", &su);
+       /* Needs a left-margin for spacing. */
+       bufcat_su(h, "margin-left", &su);
        PAIR_STYLE_INIT(&tag[1], h);
        print_otag(h, TAG_DIV, 2, tag);
        return(1);
@@ -2199,3 +2260,35 @@ mdoc__x_post(MDOC_ARGS)
        h->flags |= HTML_NOSPACE;
        print_text(h, n->next ? "," : ".");
 }
+
+
+/* ARGSUSED */
+static int
+mdoc_bk_pre(MDOC_ARGS)
+{
+
+       switch (n->type) {
+       case (MDOC_BLOCK):
+               break;
+       case (MDOC_HEAD):
+               return(0);
+       case (MDOC_BODY):
+               h->flags |= HTML_PREKEEP;
+               break;
+       default:
+               abort();
+               /* NOTREACHED */
+       }
+
+       return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_bk_post(MDOC_ARGS)
+{
+
+       if (MDOC_BODY == n->type)
+               h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
+}