tree.c

   1 /*      $Id: tree.c,v 1.59 2014/10/20 01:43:48 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2013, 2014 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 #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 "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 void
  40 tree_mdoc(void *arg, const struct mdoc *mdoc)
  41 {
  42
  43         print_mdoc(mdoc_node(mdoc), 0);
  44 }
  45
  46 void
  47 tree_man(void *arg, const struct man *man)
  48 {
  49
  50         print_man(man_node(man), 0);
  51 }
  52
  53 static void
  54 print_mdoc(const struct mdoc_node *n, int indent)
  55 {
  56         const char       *p, *t;
  57         int               i, j;
  58         size_t            argc;
  59         struct mdoc_argv *argv;
  60
  61         argv = NULL;
  62         argc = 0;
  63         t = p = NULL;
  64
  65         switch (n->type) {
  66         case MDOC_ROOT:
  67                 t = "root";
  68                 break;
  69         case MDOC_BLOCK:
  70                 t = "block";
  71                 break;
  72         case MDOC_HEAD:
  73                 t = "block-head";
  74                 break;
  75         case MDOC_BODY:
  76                 if (n->end)
  77                         t = "body-end";
  78                 else
  79                         t = "block-body";
  80                 break;
  81         case MDOC_TAIL:
  82                 t = "block-tail";
  83                 break;
  84         case MDOC_ELEM:
  85                 t = "elem";
  86                 break;
  87         case MDOC_TEXT:
  88                 t = "text";
  89                 break;
  90         case MDOC_TBL:
  91                 break;
  92         case MDOC_EQN:
  93                 t = "eqn";
  94                 break;
  95         default:
  96                 abort();
  97                 /* NOTREACHED */
  98         }
  99
 100         switch (n->type) {
 101         case MDOC_TEXT:
 102                 p = n->string;
 103                 break;
 104         case MDOC_BODY:
 105                 p = mdoc_macronames[n->tok];
 106                 break;
 107         case MDOC_HEAD:
 108                 p = mdoc_macronames[n->tok];
 109                 break;
 110         case MDOC_TAIL:
 111                 p = mdoc_macronames[n->tok];
 112                 break;
 113         case MDOC_ELEM:
 114                 p = mdoc_macronames[n->tok];
 115                 if (n->args) {
 116                         argv = n->args->argv;
 117                         argc = n->args->argc;
 118                 }
 119                 break;
 120         case MDOC_BLOCK:
 121                 p = mdoc_macronames[n->tok];
 122                 if (n->args) {
 123                         argv = n->args->argv;
 124                         argc = n->args->argc;
 125                 }
 126                 break;
 127         case MDOC_TBL:
 128                 break;
 129         case MDOC_EQN:
 130                 p = "EQ";
 131                 break;
 132         case MDOC_ROOT:
 133                 p = "root";
 134                 break;
 135         default:
 136                 abort();
 137                 /* NOTREACHED */
 138         }
 139
 140         if (n->span) {
 141                 assert(NULL == p && NULL == t);
 142                 print_span(n->span, indent);
 143         } else {
 144                 for (i = 0; i < indent; i++)
 145                         putchar('\t');
 146
 147                 printf("%s (%s)", p, t);
 148
 149                 for (i = 0; i < (int)argc; i++) {
 150                         printf(" -%s", mdoc_argnames[argv[i].arg]);
 151                         if (argv[i].sz > 0)
 152                                 printf(" [");
 153                         for (j = 0; j < (int)argv[i].sz; j++)
 154                                 printf(" [%s]", argv[i].value[j]);
 155                         if (argv[i].sz > 0)
 156                                 printf(" ]");
 157                 }
 158
 159                 putchar(' ');
 160                 if (MDOC_LINE & n->flags)
 161                         putchar('*');
 162                 printf("%d:%d", n->line, n->pos + 1);
 163                 if (n->lastline != n->line)
 164                         printf("-%d", n->lastline);
 165                 putchar('\n');
 166         }
 167
 168         if (n->eqn)
 169                 print_box(n->eqn->root->first, indent + 1);
 170         if (n->child)
 171                 print_mdoc(n->child, indent + 1);
 172         if (n->next)
 173                 print_mdoc(n->next, indent);
 174 }
 175
 176 static void
 177 print_man(const struct man_node *n, int indent)
 178 {
 179         const char       *p, *t;
 180         int               i;
 181
 182         t = p = NULL;
 183
 184         switch (n->type) {
 185         case MAN_ROOT:
 186                 t = "root";
 187                 break;
 188         case MAN_ELEM:
 189                 t = "elem";
 190                 break;
 191         case MAN_TEXT:
 192                 t = "text";
 193                 break;
 194         case MAN_BLOCK:
 195                 t = "block";
 196                 break;
 197         case MAN_HEAD:
 198                 t = "block-head";
 199                 break;
 200         case MAN_BODY:
 201                 t = "block-body";
 202                 break;
 203         case MAN_TAIL:
 204                 t = "block-tail";
 205                 break;
 206         case MAN_TBL:
 207                 break;
 208         case MAN_EQN:
 209                 t = "eqn";
 210                 break;
 211         default:
 212                 abort();
 213                 /* NOTREACHED */
 214         }
 215
 216         switch (n->type) {
 217         case MAN_TEXT:
 218                 p = n->string;
 219                 break;
 220         case MAN_ELEM:
 221                 /* FALLTHROUGH */
 222         case MAN_BLOCK:
 223                 /* FALLTHROUGH */
 224         case MAN_HEAD:
 225                 /* FALLTHROUGH */
 226         case MAN_TAIL:
 227                 /* FALLTHROUGH */
 228         case MAN_BODY:
 229                 p = man_macronames[n->tok];
 230                 break;
 231         case MAN_ROOT:
 232                 p = "root";
 233                 break;
 234         case MAN_TBL:
 235                 break;
 236         case MAN_EQN:
 237                 p = "EQ";
 238                 break;
 239         default:
 240                 abort();
 241                 /* NOTREACHED */
 242         }
 243
 244         if (n->span) {
 245                 assert(NULL == p && NULL == t);
 246                 print_span(n->span, indent);
 247         } else {
 248                 for (i = 0; i < indent; i++)
 249                         putchar('\t');
 250                 printf("%s (%s) ", p, t);
 251                 if (MAN_LINE & n->flags)
 252                         putchar('*');
 253                 printf("%d:%d\n", n->line, n->pos + 1);
 254         }
 255
 256         if (n->eqn)
 257                 print_box(n->eqn->root->first, indent + 1);
 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         static const char *posnames[] = {
 271             NULL, "sup", "subsup", "sub",
 272             "to", "from", "fromto",
 273             "over", "sqrt", NULL };
 274
 275         if (NULL == ep)
 276                 return;
 277         for (i = 0; i < indent; i++)
 278                 putchar('\t');
 279
 280         t = NULL;
 281         switch (ep->type) {
 282         case EQN_ROOT:
 283                 t = "eqn-root";
 284                 break;
 285         case EQN_LISTONE:
 286         case EQN_LIST:
 287                 t = "eqn-list";
 288                 break;
 289         case EQN_SUBEXPR:
 290                 t = "eqn-expr";
 291                 break;
 292         case EQN_TEXT:
 293                 t = "eqn-text";
 294                 break;
 295         case EQN_PILE:
 296                 t = "eqn-pile";
 297                 break;
 298         case EQN_MATRIX:
 299                 t = "eqn-matrix";
 300                 break;
 301         }
 302
 303         fputs(t, stdout);
 304         if (ep->pos)
 305                 printf(" pos=%s", posnames[ep->pos]);
 306         if (ep->left)
 307                 printf(" left=\"%s\"", ep->left);
 308         if (ep->right)
 309                 printf(" right=\"%s\"", ep->right);
 310         if (ep->top)
 311                 printf(" top=\"%s\"", ep->top);
 312         if (ep->bottom)
 313                 printf(" bottom=\"%s\"", ep->bottom);
 314         if (ep->text)
 315                 printf(" text=\"%s\"", ep->text);
 316         if (ep->font)
 317                 printf(" font=%d", ep->font);
 318         if (ep->size != EQN_DEFSIZE)
 319                 printf(" size=%d", ep->size);
 320         if (ep->expectargs != UINT_MAX && ep->expectargs != ep->args)
 321                 printf(" badargs=%zu(%zu)", ep->args, ep->expectargs);
 322         else if (ep->args)
 323                 printf(" args=%zu", ep->args);
 324         putchar('\n');
 325
 326         print_box(ep->first, indent + 1);
 327         print_box(ep->next, indent);
 328 }
 329
 330 static void
 331 print_span(const struct tbl_span *sp, int indent)
 332 {
 333         const struct tbl_dat *dp;
 334         int              i;
 335
 336         for (i = 0; i < indent; i++)
 337                 putchar('\t');
 338
 339         switch (sp->pos) {
 340         case TBL_SPAN_HORIZ:
 341                 putchar('-');
 342                 return;
 343         case TBL_SPAN_DHORIZ:
 344                 putchar('=');
 345                 return;
 346         default:
 347                 break;
 348         }
 349
 350         for (dp = sp->first; dp; dp = dp->next) {
 351                 switch (dp->pos) {
 352                 case TBL_DATA_HORIZ:
 353                         /* FALLTHROUGH */
 354                 case TBL_DATA_NHORIZ:
 355                         putchar('-');
 356                         continue;
 357                 case TBL_DATA_DHORIZ:
 358                         /* FALLTHROUGH */
 359                 case TBL_DATA_NDHORIZ:
 360                         putchar('=');
 361                         continue;
 362                 default:
 363                         break;
 364                 }
 365                 printf("[\"%s\"", dp->string ? dp->string : "");
 366                 if (dp->spans)
 367                         printf("(%d)", dp->spans);
 368                 if (NULL == dp->layout)
 369                         putchar('*');
 370                 putchar(']');
 371                 putchar(' ');
 372         }
 373
 374         printf("(tbl) %d:1\n", sp->line);
 375 }