tree.c

   1 /*      $Id: tree.c,v 1.72 2017/01/12 17:29:33 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2013, 2014, 2015, 2017 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 "main.h"
  33
  34 static  void    print_box(const struct eqn_box *, int);
  35 static  void    print_man(const struct roff_node *, int);
  36 static  void    print_meta(const struct roff_meta *);
  37 static  void    print_mdoc(const struct roff_node *, int);
  38 static  void    print_span(const struct tbl_span *, int);
  39
  40
  41 void
  42 tree_mdoc(void *arg, const struct roff_man *mdoc)
  43 {
  44         print_meta(&mdoc->meta);
  45         putchar('\n');
  46         print_mdoc(mdoc->first->child, 0);
  47 }
  48
  49 void
  50 tree_man(void *arg, const struct roff_man *man)
  51 {
  52         print_meta(&man->meta);
  53         if (man->meta.hasbody == 0)
  54                 puts("body  = empty");
  55         putchar('\n');
  56         print_man(man->first->child, 0);
  57 }
  58
  59 static void
  60 print_meta(const struct roff_meta *meta)
  61 {
  62         if (meta->title != NULL)
  63                 printf("title = \"%s\"\n", meta->title);
  64         if (meta->name != NULL)
  65                 printf("name  = \"%s\"\n", meta->name);
  66         if (meta->msec != NULL)
  67                 printf("sec   = \"%s\"\n", meta->msec);
  68         if (meta->vol != NULL)
  69                 printf("vol   = \"%s\"\n", meta->vol);
  70         if (meta->arch != NULL)
  71                 printf("arch  = \"%s\"\n", meta->arch);
  72         if (meta->os != NULL)
  73                 printf("os    = \"%s\"\n", meta->os);
  74         if (meta->date != NULL)
  75                 printf("date  = \"%s\"\n", meta->date);
  76 }
  77
  78 static void
  79 print_mdoc(const struct roff_node *n, int indent)
  80 {
  81         const char       *p, *t;
  82         int               i, j;
  83         size_t            argc;
  84         struct mdoc_argv *argv;
  85
  86         if (n == NULL)
  87                 return;
  88
  89         argv = NULL;
  90         argc = 0;
  91         t = p = NULL;
  92
  93         switch (n->type) {
  94         case ROFFT_ROOT:
  95                 t = "root";
  96                 break;
  97         case ROFFT_BLOCK:
  98                 t = "block";
  99                 break;
 100         case ROFFT_HEAD:
 101                 t = "head";
 102                 break;
 103         case ROFFT_BODY:
 104                 if (n->end)
 105                         t = "body-end";
 106                 else
 107                         t = "body";
 108                 break;
 109         case ROFFT_TAIL:
 110                 t = "tail";
 111                 break;
 112         case ROFFT_ELEM:
 113                 t = "elem";
 114                 break;
 115         case ROFFT_TEXT:
 116                 t = "text";
 117                 break;
 118         case ROFFT_TBL:
 119                 break;
 120         case ROFFT_EQN:
 121                 t = "eqn";
 122                 break;
 123         default:
 124                 abort();
 125         }
 126
 127         switch (n->type) {
 128         case ROFFT_TEXT:
 129                 p = n->string;
 130                 break;
 131         case ROFFT_BODY:
 132                 p = mdoc_macronames[n->tok];
 133                 break;
 134         case ROFFT_HEAD:
 135                 p = mdoc_macronames[n->tok];
 136                 break;
 137         case ROFFT_TAIL:
 138                 p = mdoc_macronames[n->tok];
 139                 break;
 140         case ROFFT_ELEM:
 141                 p = mdoc_macronames[n->tok];
 142                 if (n->args) {
 143                         argv = n->args->argv;
 144                         argc = n->args->argc;
 145                 }
 146                 break;
 147         case ROFFT_BLOCK:
 148                 p = mdoc_macronames[n->tok];
 149                 if (n->args) {
 150                         argv = n->args->argv;
 151                         argc = n->args->argc;
 152                 }
 153                 break;
 154         case ROFFT_TBL:
 155                 break;
 156         case ROFFT_EQN:
 157                 p = "EQ";
 158                 break;
 159         case ROFFT_ROOT:
 160                 p = "root";
 161                 break;
 162         default:
 163                 abort();
 164         }
 165
 166         if (n->span) {
 167                 assert(NULL == p && NULL == t);
 168                 print_span(n->span, indent);
 169         } else {
 170                 for (i = 0; i < indent; i++)
 171                         putchar(' ');
 172
 173                 printf("%s (%s)", p, t);
 174
 175                 for (i = 0; i < (int)argc; i++) {
 176                         printf(" -%s", mdoc_argnames[argv[i].arg]);
 177                         if (argv[i].sz > 0)
 178                                 printf(" [");
 179                         for (j = 0; j < (int)argv[i].sz; j++)
 180                                 printf(" [%s]", argv[i].value[j]);
 181                         if (argv[i].sz > 0)
 182                                 printf(" ]");
 183                 }
 184
 185                 putchar(' ');
 186                 if (NODE_DELIMO & n->flags)
 187                         putchar('(');
 188                 if (NODE_LINE & n->flags)
 189                         putchar('*');
 190                 printf("%d:%d", n->line, n->pos + 1);
 191                 if (NODE_DELIMC & n->flags)
 192                         putchar(')');
 193                 if (NODE_EOS & n->flags)
 194                         putchar('.');
 195                 if (NODE_NOSRC & n->flags)
 196                         printf(" NOSRC");
 197                 if (NODE_NOPRT & n->flags)
 198                         printf(" NOPRT");
 199                 putchar('\n');
 200         }
 201
 202         if (n->eqn)
 203                 print_box(n->eqn->root->first, indent + 4);
 204         if (n->child)
 205                 print_mdoc(n->child, indent +
 206                     (n->type == ROFFT_BLOCK ? 2 : 4));
 207         if (n->next)
 208                 print_mdoc(n->next, indent);
 209 }
 210
 211 static void
 212 print_man(const struct roff_node *n, int indent)
 213 {
 214         const char       *p, *t;
 215         int               i;
 216
 217         if (n == NULL)
 218                 return;
 219
 220         t = p = NULL;
 221
 222         switch (n->type) {
 223         case ROFFT_ROOT:
 224                 t = "root";
 225                 break;
 226         case ROFFT_ELEM:
 227                 t = "elem";
 228                 break;
 229         case ROFFT_TEXT:
 230                 t = "text";
 231                 break;
 232         case ROFFT_BLOCK:
 233                 t = "block";
 234                 break;
 235         case ROFFT_HEAD:
 236                 t = "head";
 237                 break;
 238         case ROFFT_BODY:
 239                 t = "body";
 240                 break;
 241         case ROFFT_TBL:
 242                 break;
 243         case ROFFT_EQN:
 244                 t = "eqn";
 245                 break;
 246         default:
 247                 abort();
 248         }
 249
 250         switch (n->type) {
 251         case ROFFT_TEXT:
 252                 p = n->string;
 253                 break;
 254         case ROFFT_ELEM:
 255         case ROFFT_BLOCK:
 256         case ROFFT_HEAD:
 257         case ROFFT_BODY:
 258                 p = man_macronames[n->tok];
 259                 break;
 260         case ROFFT_ROOT:
 261                 p = "root";
 262                 break;
 263         case ROFFT_TBL:
 264                 break;
 265         case ROFFT_EQN:
 266                 p = "EQ";
 267                 break;
 268         default:
 269                 abort();
 270         }
 271
 272         if (n->span) {
 273                 assert(NULL == p && NULL == t);
 274                 print_span(n->span, indent);
 275         } else {
 276                 for (i = 0; i < indent; i++)
 277                         putchar(' ');
 278                 printf("%s (%s) ", p, t);
 279                 if (NODE_LINE & n->flags)
 280                         putchar('*');
 281                 printf("%d:%d", n->line, n->pos + 1);
 282                 if (NODE_EOS & n->flags)
 283                         putchar('.');
 284                 putchar('\n');
 285         }
 286
 287         if (n->eqn)
 288                 print_box(n->eqn->root->first, indent + 4);
 289         if (n->child)
 290                 print_man(n->child, indent +
 291                     (n->type == ROFFT_BLOCK ? 2 : 4));
 292         if (n->next)
 293                 print_man(n->next, indent);
 294 }
 295
 296 static void
 297 print_box(const struct eqn_box *ep, int indent)
 298 {
 299         int              i;
 300         const char      *t;
 301
 302         static const char *posnames[] = {
 303             NULL, "sup", "subsup", "sub",
 304             "to", "from", "fromto",
 305             "over", "sqrt", NULL };
 306
 307         if (NULL == ep)
 308                 return;
 309         for (i = 0; i < indent; i++)
 310                 putchar(' ');
 311
 312         t = NULL;
 313         switch (ep->type) {
 314         case EQN_ROOT:
 315                 t = "eqn-root";
 316                 break;
 317         case EQN_LISTONE:
 318         case EQN_LIST:
 319                 t = "eqn-list";
 320                 break;
 321         case EQN_SUBEXPR:
 322                 t = "eqn-expr";
 323                 break;
 324         case EQN_TEXT:
 325                 t = "eqn-text";
 326                 break;
 327         case EQN_PILE:
 328                 t = "eqn-pile";
 329                 break;
 330         case EQN_MATRIX:
 331                 t = "eqn-matrix";
 332                 break;
 333         }
 334
 335         fputs(t, stdout);
 336         if (ep->pos)
 337                 printf(" pos=%s", posnames[ep->pos]);
 338         if (ep->left)
 339                 printf(" left=\"%s\"", ep->left);
 340         if (ep->right)
 341                 printf(" right=\"%s\"", ep->right);
 342         if (ep->top)
 343                 printf(" top=\"%s\"", ep->top);
 344         if (ep->bottom)
 345                 printf(" bottom=\"%s\"", ep->bottom);
 346         if (ep->text)
 347                 printf(" text=\"%s\"", ep->text);
 348         if (ep->font)
 349                 printf(" font=%d", ep->font);
 350         if (ep->size != EQN_DEFSIZE)
 351                 printf(" size=%d", ep->size);
 352         if (ep->expectargs != UINT_MAX && ep->expectargs != ep->args)
 353                 printf(" badargs=%zu(%zu)", ep->args, ep->expectargs);
 354         else if (ep->args)
 355                 printf(" args=%zu", ep->args);
 356         putchar('\n');
 357
 358         print_box(ep->first, indent + 4);
 359         print_box(ep->next, indent);
 360 }
 361
 362 static void
 363 print_span(const struct tbl_span *sp, int indent)
 364 {
 365         const struct tbl_dat *dp;
 366         int              i;
 367
 368         for (i = 0; i < indent; i++)
 369                 putchar(' ');
 370
 371         switch (sp->pos) {
 372         case TBL_SPAN_HORIZ:
 373                 putchar('-');
 374                 return;
 375         case TBL_SPAN_DHORIZ:
 376                 putchar('=');
 377                 return;
 378         default:
 379                 break;
 380         }
 381
 382         for (dp = sp->first; dp; dp = dp->next) {
 383                 switch (dp->pos) {
 384                 case TBL_DATA_HORIZ:
 385                 case TBL_DATA_NHORIZ:
 386                         putchar('-');
 387                         continue;
 388                 case TBL_DATA_DHORIZ:
 389                 case TBL_DATA_NDHORIZ:
 390                         putchar('=');
 391                         continue;
 392                 default:
 393                         break;
 394                 }
 395                 printf("[\"%s\"", dp->string ? dp->string : "");
 396                 if (dp->spans)
 397                         printf("(%d)", dp->spans);
 398                 if (NULL == dp->layout)
 399                         putchar('*');
 400                 putchar(']');
 401                 putchar(' ');
 402         }
 403
 404         printf("(tbl) %d:1\n", sp->line);
 405 }