tree.c

   1 /*      $Id: tree.c,v 1.84 2019/01/01 05:56:34 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2013-2015, 2017-2019 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 AUTHORS DISCLAIM ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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 #include "config.h"
  19
  20 #include <sys/types.h>
  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 "roff.h"
  30 #include "mdoc.h"
  31 #include "man.h"
  32 #include "tbl.h"
  33 #include "eqn.h"
  34 #include "main.h"
  35
  36 static  void    print_box(const struct eqn_box *, int);
  37 static  void    print_man(const struct roff_node *, int);
  38 static  void    print_meta(const struct roff_meta *);
  39 static  void    print_mdoc(const struct roff_node *, int);
  40 static  void    print_span(const struct tbl_span *, int);
  41
  42
  43 void
  44 tree_mdoc(void *arg, const struct roff_meta *mdoc)
  45 {
  46         print_meta(mdoc);
  47         putchar('\n');
  48         print_mdoc(mdoc->first->child, 0);
  49 }
  50
  51 void
  52 tree_man(void *arg, const struct roff_meta *man)
  53 {
  54         print_meta(man);
  55         if (man->hasbody == 0)
  56                 puts("body  = empty");
  57         putchar('\n');
  58         print_man(man->first->child, 0);
  59 }
  60
  61 static void
  62 print_meta(const struct roff_meta *meta)
  63 {
  64         if (meta->title != NULL)
  65                 printf("title = \"%s\"\n", meta->title);
  66         if (meta->name != NULL)
  67                 printf("name  = \"%s\"\n", meta->name);
  68         if (meta->msec != NULL)
  69                 printf("sec   = \"%s\"\n", meta->msec);
  70         if (meta->vol != NULL)
  71                 printf("vol   = \"%s\"\n", meta->vol);
  72         if (meta->arch != NULL)
  73                 printf("arch  = \"%s\"\n", meta->arch);
  74         if (meta->os != NULL)
  75                 printf("os    = \"%s\"\n", meta->os);
  76         if (meta->date != NULL)
  77                 printf("date  = \"%s\"\n", meta->date);
  78 }
  79
  80 static void
  81 print_mdoc(const struct roff_node *n, int indent)
  82 {
  83         const char       *p, *t;
  84         int               i, j;
  85         size_t            argc;
  86         struct mdoc_argv *argv;
  87
  88         if (n == NULL)
  89                 return;
  90
  91         argv = NULL;
  92         argc = 0;
  93         t = p = NULL;
  94
  95         switch (n->type) {
  96         case ROFFT_ROOT:
  97                 t = "root";
  98                 break;
  99         case ROFFT_BLOCK:
 100                 t = "block";
 101                 break;
 102         case ROFFT_HEAD:
 103                 t = "head";
 104                 break;
 105         case ROFFT_BODY:
 106                 if (n->end)
 107                         t = "body-end";
 108                 else
 109                         t = "body";
 110                 break;
 111         case ROFFT_TAIL:
 112                 t = "tail";
 113                 break;
 114         case ROFFT_ELEM:
 115                 t = "elem";
 116                 break;
 117         case ROFFT_TEXT:
 118                 t = "text";
 119                 break;
 120         case ROFFT_COMMENT:
 121                 t = "comment";
 122                 break;
 123         case ROFFT_TBL:
 124                 break;
 125         case ROFFT_EQN:
 126                 t = "eqn";
 127                 break;
 128         default:
 129                 abort();
 130         }
 131
 132         switch (n->type) {
 133         case ROFFT_TEXT:
 134         case ROFFT_COMMENT:
 135                 p = n->string;
 136                 break;
 137         case ROFFT_BODY:
 138                 p = roff_name[n->tok];
 139                 break;
 140         case ROFFT_HEAD:
 141                 p = roff_name[n->tok];
 142                 break;
 143         case ROFFT_TAIL:
 144                 p = roff_name[n->tok];
 145                 break;
 146         case ROFFT_ELEM:
 147                 p = roff_name[n->tok];
 148                 if (n->args) {
 149                         argv = n->args->argv;
 150                         argc = n->args->argc;
 151                 }
 152                 break;
 153         case ROFFT_BLOCK:
 154                 p = roff_name[n->tok];
 155                 if (n->args) {
 156                         argv = n->args->argv;
 157                         argc = n->args->argc;
 158                 }
 159                 break;
 160         case ROFFT_TBL:
 161                 break;
 162         case ROFFT_EQN:
 163                 p = "EQ";
 164                 break;
 165         case ROFFT_ROOT:
 166                 p = "root";
 167                 break;
 168         default:
 169                 abort();
 170         }
 171
 172         if (n->span) {
 173                 assert(NULL == p && NULL == t);
 174                 print_span(n->span, indent);
 175         } else {
 176                 for (i = 0; i < indent; i++)
 177                         putchar(' ');
 178
 179                 printf("%s (%s)", p, t);
 180
 181                 for (i = 0; i < (int)argc; i++) {
 182                         printf(" -%s", mdoc_argnames[argv[i].arg]);
 183                         if (argv[i].sz > 0)
 184                                 printf(" [");
 185                         for (j = 0; j < (int)argv[i].sz; j++)
 186                                 printf(" [%s]", argv[i].value[j]);
 187                         if (argv[i].sz > 0)
 188                                 printf(" ]");
 189                 }
 190
 191                 putchar(' ');
 192                 if (n->flags & NODE_DELIMO)
 193                         putchar('(');
 194                 if (n->flags & NODE_LINE)
 195                         putchar('*');
 196                 printf("%d:%d", n->line, n->pos + 1);
 197                 if (n->flags & NODE_DELIMC)
 198                         putchar(')');
 199                 if (n->flags & NODE_EOS)
 200                         putchar('.');
 201                 if (n->flags & NODE_BROKEN)
 202                         printf(" BROKEN");
 203                 if (n->flags & NODE_NOFILL)
 204                         printf(" NOFILL");
 205                 if (n->flags & NODE_NOSRC)
 206                         printf(" NOSRC");
 207                 if (n->flags & NODE_NOPRT)
 208                         printf(" NOPRT");
 209                 putchar('\n');
 210         }
 211
 212         if (n->eqn)
 213                 print_box(n->eqn->first, indent + 4);
 214         if (n->child)
 215                 print_mdoc(n->child, indent +
 216                     (n->type == ROFFT_BLOCK ? 2 : 4));
 217         if (n->next)
 218                 print_mdoc(n->next, indent);
 219 }
 220
 221 static void
 222 print_man(const struct roff_node *n, int indent)
 223 {
 224         const char       *p, *t;
 225         int               i;
 226
 227         if (n == NULL)
 228                 return;
 229
 230         t = p = NULL;
 231
 232         switch (n->type) {
 233         case ROFFT_ROOT:
 234                 t = "root";
 235                 break;
 236         case ROFFT_ELEM:
 237                 t = "elem";
 238                 break;
 239         case ROFFT_TEXT:
 240                 t = "text";
 241                 break;
 242         case ROFFT_COMMENT:
 243                 t = "comment";
 244                 break;
 245         case ROFFT_BLOCK:
 246                 t = "block";
 247                 break;
 248         case ROFFT_HEAD:
 249                 t = "head";
 250                 break;
 251         case ROFFT_BODY:
 252                 t = "body";
 253                 break;
 254         case ROFFT_TBL:
 255                 break;
 256         case ROFFT_EQN:
 257                 t = "eqn";
 258                 break;
 259         default:
 260                 abort();
 261         }
 262
 263         switch (n->type) {
 264         case ROFFT_TEXT:
 265         case ROFFT_COMMENT:
 266                 p = n->string;
 267                 break;
 268         case ROFFT_ELEM:
 269         case ROFFT_BLOCK:
 270         case ROFFT_HEAD:
 271         case ROFFT_BODY:
 272                 p = roff_name[n->tok];
 273                 break;
 274         case ROFFT_ROOT:
 275                 p = "root";
 276                 break;
 277         case ROFFT_TBL:
 278                 break;
 279         case ROFFT_EQN:
 280                 p = "EQ";
 281                 break;
 282         default:
 283                 abort();
 284         }
 285
 286         if (n->span) {
 287                 assert(NULL == p && NULL == t);
 288                 print_span(n->span, indent);
 289         } else {
 290                 for (i = 0; i < indent; i++)
 291                         putchar(' ');
 292                 printf("%s (%s) ", p, t);
 293                 if (n->flags & NODE_LINE)
 294                         putchar('*');
 295                 printf("%d:%d", n->line, n->pos + 1);
 296                 if (n->flags & NODE_DELIMC)
 297                         putchar(')');
 298                 if (n->flags & NODE_EOS)
 299                         putchar('.');
 300                 if (n->flags & NODE_NOFILL)
 301                         printf(" NOFILL");
 302                 putchar('\n');
 303         }
 304
 305         if (n->eqn)
 306                 print_box(n->eqn->first, indent + 4);
 307         if (n->child)
 308                 print_man(n->child, indent +
 309                     (n->type == ROFFT_BLOCK ? 2 : 4));
 310         if (n->next)
 311                 print_man(n->next, indent);
 312 }
 313
 314 static void
 315 print_box(const struct eqn_box *ep, int indent)
 316 {
 317         int              i;
 318         const char      *t;
 319
 320         static const char *posnames[] = {
 321             NULL, "sup", "subsup", "sub",
 322             "to", "from", "fromto",
 323             "over", "sqrt", NULL };
 324
 325         if (NULL == ep)
 326                 return;
 327         for (i = 0; i < indent; i++)
 328                 putchar(' ');
 329
 330         t = NULL;
 331         switch (ep->type) {
 332         case EQN_LIST:
 333                 t = "eqn-list";
 334                 break;
 335         case EQN_SUBEXPR:
 336                 t = "eqn-expr";
 337                 break;
 338         case EQN_TEXT:
 339                 t = "eqn-text";
 340                 break;
 341         case EQN_PILE:
 342                 t = "eqn-pile";
 343                 break;
 344         case EQN_MATRIX:
 345                 t = "eqn-matrix";
 346                 break;
 347         }
 348
 349         fputs(t, stdout);
 350         if (ep->pos)
 351                 printf(" pos=%s", posnames[ep->pos]);
 352         if (ep->left)
 353                 printf(" left=\"%s\"", ep->left);
 354         if (ep->right)
 355                 printf(" right=\"%s\"", ep->right);
 356         if (ep->top)
 357                 printf(" top=\"%s\"", ep->top);
 358         if (ep->bottom)
 359                 printf(" bottom=\"%s\"", ep->bottom);
 360         if (ep->text)
 361                 printf(" text=\"%s\"", ep->text);
 362         if (ep->font)
 363                 printf(" font=%d", ep->font);
 364         if (ep->size != EQN_DEFSIZE)
 365                 printf(" size=%d", ep->size);
 366         if (ep->expectargs != UINT_MAX && ep->expectargs != ep->args)
 367                 printf(" badargs=%zu(%zu)", ep->args, ep->expectargs);
 368         else if (ep->args)
 369                 printf(" args=%zu", ep->args);
 370         putchar('\n');
 371
 372         print_box(ep->first, indent + 4);
 373         print_box(ep->next, indent);
 374 }
 375
 376 static void
 377 print_span(const struct tbl_span *sp, int indent)
 378 {
 379         const struct tbl_dat *dp;
 380         int              i;
 381
 382         for (i = 0; i < indent; i++)
 383                 putchar(' ');
 384
 385         switch (sp->pos) {
 386         case TBL_SPAN_HORIZ:
 387                 putchar('-');
 388                 putchar(' ');
 389                 break;
 390         case TBL_SPAN_DHORIZ:
 391                 putchar('=');
 392                 putchar(' ');
 393                 break;
 394         default:
 395                 for (dp = sp->first; dp; dp = dp->next) {
 396                         switch (dp->pos) {
 397                         case TBL_DATA_HORIZ:
 398                         case TBL_DATA_NHORIZ:
 399                                 putchar('-');
 400                                 putchar(' ');
 401                                 continue;
 402                         case TBL_DATA_DHORIZ:
 403                         case TBL_DATA_NDHORIZ:
 404                                 putchar('=');
 405                                 putchar(' ');
 406                                 continue;
 407                         default:
 408                                 break;
 409                         }
 410                         printf("[\"%s\"", dp->string ? dp->string : "");
 411                         if (dp->hspans)
 412                                 printf(">%d", dp->hspans);
 413                         if (dp->vspans)
 414                                 printf("v%d", dp->vspans);
 415                         if (dp->layout == NULL)
 416                                 putchar('*');
 417                         else if (dp->layout->pos == TBL_CELL_DOWN)
 418                                 putchar('^');
 419                         putchar(']');
 420                         putchar(' ');
 421                 }
 422                 break;
 423         }
 424         printf("(tbl) %d:1\n", sp->line);
 425 }