tree.c

   1 /*      $Id: tree.c,v 1.15 2009/09/16 09:41:24 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #include <assert.h>
  18 #include <err.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21
  22 #include "mdoc.h"
  23 #include "man.h"
  24
  25 static  void    print_mdoc(const struct mdoc_node *, int);
  26 static  void    print_man(const struct man_node *, int);
  27
  28
  29 /* ARGSUSED */
  30 void
  31 tree_mdoc(void *arg, const struct mdoc *mdoc)
  32 {
  33
  34         print_mdoc(mdoc_node(mdoc), 0);
  35 }
  36
  37
  38 /* ARGSUSED */
  39 void
  40 tree_man(void *arg, const struct man *man)
  41 {
  42
  43         print_man(man_node(man), 0);
  44 }
  45
  46
  47 static void
  48 print_mdoc(const struct mdoc_node *n, int indent)
  49 {
  50         const char       *p, *t;
  51         int               i, j;
  52         size_t            argc, sz;
  53         char            **params;
  54         struct mdoc_argv *argv;
  55
  56         argv = NULL;
  57         argc = sz = 0;
  58         params = NULL;
  59
  60         switch (n->type) {
  61         case (MDOC_ROOT):
  62                 t = "root";
  63                 break;
  64         case (MDOC_BLOCK):
  65                 t = "block";
  66                 break;
  67         case (MDOC_HEAD):
  68                 t = "block-head";
  69                 break;
  70         case (MDOC_BODY):
  71                 t = "block-body";
  72                 break;
  73         case (MDOC_TAIL):
  74                 t = "block-tail";
  75                 break;
  76         case (MDOC_ELEM):
  77                 t = "elem";
  78                 break;
  79         case (MDOC_TEXT):
  80                 t = "text";
  81                 break;
  82         default:
  83                 abort();
  84                 /* NOTREACHED */
  85         }
  86
  87         switch (n->type) {
  88         case (MDOC_TEXT):
  89                 p = n->string;
  90                 break;
  91         case (MDOC_BODY):
  92                 p = mdoc_macronames[n->tok];
  93                 break;
  94         case (MDOC_HEAD):
  95                 p = mdoc_macronames[n->tok];
  96                 break;
  97         case (MDOC_TAIL):
  98                 p = mdoc_macronames[n->tok];
  99                 break;
 100         case (MDOC_ELEM):
 101                 p = mdoc_macronames[n->tok];
 102                 if (n->args) {
 103                         argv = n->args->argv;
 104                         argc = n->args->argc;
 105                 }
 106                 break;
 107         case (MDOC_BLOCK):
 108                 p = mdoc_macronames[n->tok];
 109                 if (n->args) {
 110                         argv = n->args->argv;
 111                         argc = n->args->argc;
 112                 }
 113                 break;
 114         case (MDOC_ROOT):
 115                 p = "root";
 116                 break;
 117         default:
 118                 abort();
 119                 /* NOTREACHED */
 120         }
 121
 122         for (i = 0; i < indent; i++)
 123                 (void)printf("    ");
 124         (void)printf("%s (%s)", p, t);
 125
 126         for (i = 0; i < (int)argc; i++) {
 127                 (void)printf(" -%s", mdoc_argnames[argv[i].arg]);
 128                 if (argv[i].sz > 0)
 129                         (void)printf(" [");
 130                 for (j = 0; j < (int)argv[i].sz; j++)
 131                         (void)printf(" [%s]", argv[i].value[j]);
 132                 if (argv[i].sz > 0)
 133                         (void)printf(" ]");
 134         }
 135
 136         for (i = 0; i < (int)sz; i++)
 137                 (void)printf(" [%s]", params[i]);
 138
 139         (void)printf(" %d:%d\n", n->line, n->pos);
 140
 141         if (n->child)
 142                 print_mdoc(n->child, indent + 1);
 143         if (n->next)
 144                 print_mdoc(n->next, indent);
 145 }
 146
 147
 148 static void
 149 print_man(const struct man_node *n, int indent)
 150 {
 151         const char       *p, *t;
 152         int               i;
 153
 154         switch (n->type) {
 155         case (MAN_ROOT):
 156                 t = "root";
 157                 break;
 158         case (MAN_ELEM):
 159                 t = "elem";
 160                 break;
 161         case (MAN_TEXT):
 162                 t = "text";
 163                 break;
 164         case (MAN_BLOCK):
 165                 t = "block";
 166                 break;
 167         case (MAN_HEAD):
 168                 t = "block-head";
 169                 break;
 170         case (MAN_BODY):
 171                 t = "block-body";
 172                 break;
 173         default:
 174                 abort();
 175                 /* NOTREACHED */
 176         }
 177
 178         switch (n->type) {
 179         case (MAN_TEXT):
 180                 p = n->string;
 181                 break;
 182         case (MAN_ELEM):
 183                 /* FALLTHROUGH */
 184         case (MAN_BLOCK):
 185                 /* FALLTHROUGH */
 186         case (MAN_HEAD):
 187                 /* FALLTHROUGH */
 188         case (MAN_BODY):
 189                 p = man_macronames[n->tok];
 190                 break;
 191         case (MAN_ROOT):
 192                 p = "root";
 193                 break;
 194         default:
 195                 abort();
 196                 /* NOTREACHED */
 197         }
 198
 199         for (i = 0; i < indent; i++)
 200                 (void)printf("    ");
 201         (void)printf("%s (%s) %d:%d\n", p, t, n->line, n->pos);
 202
 203         if (n->child)
 204                 print_man(n->child, indent + 1);
 205         if (n->next)
 206                 print_man(n->next, indent);
 207 }