contrib/mdocml/tree.c

   1 /*      $Id: tree.c,v 1.50 2013/12/24 19:11:46 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2013 Ingo Schwarze <schwarze@openbsd.org>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #ifdef HAVE_CONFIG_H
  19 #include "config.h"
  20 #endif
  21
  22 #include <assert.h>
  23 #include <limits.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <time.h>
  27
  28 #include "mandoc.h"
  29 #include "mdoc.h"
  30 #include "man.h"
  31 #include "main.h"
  32
  33 static  void    print_box(const struct eqn_box *, int);
  34 static  void    print_man(const struct man_node *, int);
  35 static  void    print_mdoc(const struct mdoc_node *, int);
  36 static  void    print_span(const struct tbl_span *, int);
  37
  38
  39 /* ARGSUSED */
  40 void
  41 tree_mdoc(void *arg, const struct mdoc *mdoc)
  42 {
  43
  44         print_mdoc(mdoc_node(mdoc), 0);
  45 }
  46
  47
  48 /* ARGSUSED */
  49 void
  50 tree_man(void *arg, const struct man *man)
  51 {
  52
  53         print_man(man_node(man), 0);
  54 }
  55
  56
  57 static void
  58 print_mdoc(const struct mdoc_node *n, int indent)
  59 {
  60         const char       *p, *t;
  61         int               i, j;
  62         size_t            argc;
  63         struct mdoc_argv *argv;
  64
  65         argv = NULL;
  66         argc = 0;
  67         t = p = NULL;
  68
  69         switch (n->type) {
  70         case (MDOC_ROOT):
  71                 t = "root";
  72                 break;
  73         case (MDOC_BLOCK):
  74                 t = "block";
  75                 break;
  76         case (MDOC_HEAD):
  77                 t = "block-head";
  78                 break;
  79         case (MDOC_BODY):
  80                 if (n->end)
  81                         t = "body-end";
  82                 else
  83                         t = "block-body";
  84                 break;
  85         case (MDOC_TAIL):
  86                 t = "block-tail";
  87                 break;
  88         case (MDOC_ELEM):
  89                 t = "elem";
  90                 break;
  91         case (MDOC_TEXT):
  92                 t = "text";
  93                 break;
  94         case (MDOC_TBL):
  95                 /* FALLTHROUGH */
  96         case (MDOC_EQN):
  97                 break;
  98         default:
  99                 abort();
 100                 /* NOTREACHED */
 101         }
 102
 103         switch (n->type) {
 104         case (MDOC_TEXT):
 105                 p = n->string;
 106                 break;
 107         case (MDOC_BODY):
 108                 p = mdoc_macronames[n->tok];
 109                 break;
 110         case (MDOC_HEAD):
 111                 p = mdoc_macronames[n->tok];
 112                 break;
 113         case (MDOC_TAIL):
 114                 p = mdoc_macronames[n->tok];
 115                 break;
 116         case (MDOC_ELEM):
 117                 p = mdoc_macronames[n->tok];
 118                 if (n->args) {
 119                         argv = n->args->argv;
 120                         argc = n->args->argc;
 121                 }
 122                 break;
 123         case (MDOC_BLOCK):
 124                 p = mdoc_macronames[n->tok];
 125                 if (n->args) {
 126                         argv = n->args->argv;
 127                         argc = n->args->argc;
 128                 }
 129                 break;
 130         case (MDOC_TBL):
 131                 /* FALLTHROUGH */
 132         case (MDOC_EQN):
 133                 break;
 134         case (MDOC_ROOT):
 135                 p = "root";
 136                 break;
 137         default:
 138                 abort();
 139                 /* NOTREACHED */
 140         }
 141
 142         if (n->span) {
 143                 assert(NULL == p && NULL == t);
 144                 print_span(n->span, indent);
 145         } else if (n->eqn) {
 146                 assert(NULL == p && NULL == t);
 147                 print_box(n->eqn->root, indent);
 148         } else {
 149                 for (i = 0; i < indent; i++)
 150                         putchar('\t');
 151
 152                 printf("%s (%s)", p, t);
 153
 154                 for (i = 0; i < (int)argc; i++) {
 155                         printf(" -%s", mdoc_argnames[argv[i].arg]);
 156                         if (argv[i].sz > 0)
 157                                 printf(" [");
 158                         for (j = 0; j < (int)argv[i].sz; j++)
 159                                 printf(" [%s]", argv[i].value[j]);
 160                         if (argv[i].sz > 0)
 161                                 printf(" ]");
 162                 }
 163
 164                 putchar(' ');
 165                 if (MDOC_LINE & n->flags)
 166                         putchar('*');
 167                 printf("%d:%d", n->line, n->pos);
 168                 if (n->lastline != n->line)
 169                         printf("-%d", n->lastline);
 170                 putchar('\n');
 171         }
 172
 173         if (n->child)
 174                 print_mdoc(n->child, indent + 1);
 175         if (n->next)
 176                 print_mdoc(n->next, indent);
 177 }
 178
 179
 180 static void
 181 print_man(const struct man_node *n, int indent)
 182 {
 183         const char       *p, *t;
 184         int               i;
 185
 186         t = p = NULL;
 187
 188         switch (n->type) {
 189         case (MAN_ROOT):
 190                 t = "root";
 191                 break;
 192         case (MAN_ELEM):
 193                 t = "elem";
 194                 break;
 195         case (MAN_TEXT):
 196                 t = "text";
 197                 break;
 198         case (MAN_BLOCK):
 199                 t = "block";
 200                 break;
 201         case (MAN_HEAD):
 202                 t = "block-head";
 203                 break;
 204         case (MAN_BODY):
 205                 t = "block-body";
 206                 break;
 207         case (MAN_TAIL):
 208                 t = "block-tail";
 209                 break;
 210         case (MAN_TBL):
 211                 /* FALLTHROUGH */
 212         case (MAN_EQN):
 213                 break;
 214         default:
 215                 abort();
 216                 /* NOTREACHED */
 217         }
 218
 219         switch (n->type) {
 220         case (MAN_TEXT):
 221                 p = n->string;
 222                 break;
 223         case (MAN_ELEM):
 224                 /* FALLTHROUGH */
 225         case (MAN_BLOCK):
 226                 /* FALLTHROUGH */
 227         case (MAN_HEAD):
 228                 /* FALLTHROUGH */
 229         case (MAN_TAIL):
 230                 /* FALLTHROUGH */
 231         case (MAN_BODY):
 232                 p = man_macronames[n->tok];
 233                 break;
 234         case (MAN_ROOT):
 235                 p = "root";
 236                 break;
 237         case (MAN_TBL):
 238                 /* FALLTHROUGH */
 239         case (MAN_EQN):
 240                 break;
 241         default:
 242                 abort();
 243                 /* NOTREACHED */
 244         }
 245
 246         if (n->span) {
 247                 assert(NULL == p && NULL == t);
 248                 print_span(n->span, indent);
 249         } else if (n->eqn) {
 250                 assert(NULL == p && NULL == t);
 251                 print_box(n->eqn->root, indent);
 252         } else {
 253                 for (i = 0; i < indent; i++)
 254                         putchar('\t');
 255                 printf("%s (%s) %d:%d\n", p, t, n->line, n->pos);
 256         }
 257
 258         if (n->child)
 259                 print_man(n->child, indent + 1);
 260         if (n->next)
 261                 print_man(n->next, indent);
 262 }
 263
 264 static void
 265 print_box(const struct eqn_box *ep, int indent)
 266 {
 267         int              i;
 268         const char      *t;
 269
 270         if (NULL == ep)
 271                 return;
 272         for (i = 0; i < indent; i++)
 273                 putchar('\t');
 274
 275         t = NULL;
 276         switch (ep->type) {
 277         case (EQN_ROOT):
 278                 t = "eqn-root";
 279                 break;
 280         case (EQN_LIST):
 281                 t = "eqn-list";
 282                 break;
 283         case (EQN_SUBEXPR):
 284                 t = "eqn-expr";
 285                 break;
 286         case (EQN_TEXT):
 287                 t = "eqn-text";
 288                 break;
 289         case (EQN_MATRIX):
 290                 t = "eqn-matrix";
 291                 break;
 292         }
 293
 294         assert(t);
 295         printf("%s(%d, %d, %d, %d, %d, \"%s\", \"%s\") %s\n",
 296                 t, EQN_DEFSIZE == ep->size ? 0 : ep->size,
 297                 ep->pos, ep->font, ep->mark, ep->pile,
 298                 ep->left ? ep->left : "",
 299                 ep->right ? ep->right : "",
 300                 ep->text ? ep->text : "");
 301
 302         print_box(ep->first, indent + 1);
 303         print_box(ep->next, indent);
 304 }
 305
 306 static void
 307 print_span(const struct tbl_span *sp, int indent)
 308 {
 309         const struct tbl_dat *dp;
 310         int              i;
 311
 312         for (i = 0; i < indent; i++)
 313                 putchar('\t');
 314
 315         switch (sp->pos) {
 316         case (TBL_SPAN_HORIZ):
 317                 putchar('-');
 318                 return;
 319         case (TBL_SPAN_DHORIZ):
 320                 putchar('=');
 321                 return;
 322         default:
 323                 break;
 324         }
 325
 326         for (dp = sp->first; dp; dp = dp->next) {
 327                 switch (dp->pos) {
 328                 case (TBL_DATA_HORIZ):
 329                         /* FALLTHROUGH */
 330                 case (TBL_DATA_NHORIZ):
 331                         putchar('-');
 332                         continue;
 333                 case (TBL_DATA_DHORIZ):
 334                         /* FALLTHROUGH */
 335                 case (TBL_DATA_NDHORIZ):
 336                         putchar('=');
 337                         continue;
 338                 default:
 339                         break;
 340                 }
 341                 printf("[\"%s\"", dp->string ? dp->string : "");
 342                 if (dp->spans)
 343                         printf("(%d)", dp->spans);
 344                 if (NULL == dp->layout)
 345                         putchar('*');
 346                 putchar(']');
 347                 putchar(' ');
 348         }
 349
 350         printf("(tbl) %d:1\n", sp->line);
 351 }