tree.c

   1 /*      $Id: tree.c,v 1.58 2014/10/10 15:26:29 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                 /* FALLTHROUGH */
  92         case MDOC_EQN:
  93                 break;
  94         default:
  95                 abort();
  96                 /* NOTREACHED */
  97         }
  98
  99         switch (n->type) {
 100         case MDOC_TEXT:
 101                 p = n->string;
 102                 break;
 103         case MDOC_BODY:
 104                 p = mdoc_macronames[n->tok];
 105                 break;
 106         case MDOC_HEAD:
 107                 p = mdoc_macronames[n->tok];
 108                 break;
 109         case MDOC_TAIL:
 110                 p = mdoc_macronames[n->tok];
 111                 break;
 112         case MDOC_ELEM:
 113                 p = mdoc_macronames[n->tok];
 114                 if (n->args) {
 115                         argv = n->args->argv;
 116                         argc = n->args->argc;
 117                 }
 118                 break;
 119         case MDOC_BLOCK:
 120                 p = mdoc_macronames[n->tok];
 121                 if (n->args) {
 122                         argv = n->args->argv;
 123                         argc = n->args->argc;
 124                 }
 125                 break;
 126         case MDOC_TBL:
 127                 /* FALLTHROUGH */
 128         case MDOC_EQN:
 129                 break;
 130         case MDOC_ROOT:
 131                 p = "root";
 132                 break;
 133         default:
 134                 abort();
 135                 /* NOTREACHED */
 136         }
 137
 138         if (n->span) {
 139                 assert(NULL == p && NULL == t);
 140                 print_span(n->span, indent);
 141         } else if (n->eqn) {
 142                 assert(NULL == p && NULL == t);
 143                 print_box(n->eqn->root, indent);
 144         } else {
 145                 for (i = 0; i < indent; i++)
 146                         putchar('\t');
 147
 148                 printf("%s (%s)", p, t);
 149
 150                 for (i = 0; i < (int)argc; i++) {
 151                         printf(" -%s", mdoc_argnames[argv[i].arg]);
 152                         if (argv[i].sz > 0)
 153                                 printf(" [");
 154                         for (j = 0; j < (int)argv[i].sz; j++)
 155                                 printf(" [%s]", argv[i].value[j]);
 156                         if (argv[i].sz > 0)
 157                                 printf(" ]");
 158                 }
 159
 160                 putchar(' ');
 161                 if (MDOC_LINE & n->flags)
 162                         putchar('*');
 163                 printf("%d:%d", n->line, n->pos + 1);
 164                 if (n->lastline != n->line)
 165                         printf("-%d", n->lastline);
 166                 putchar('\n');
 167         }
 168
 169         if (n->child)
 170                 print_mdoc(n->child, indent + 1);
 171         if (n->next)
 172                 print_mdoc(n->next, indent);
 173 }
 174
 175 static void
 176 print_man(const struct man_node *n, int indent)
 177 {
 178         const char       *p, *t;
 179         int               i;
 180
 181         t = p = NULL;
 182
 183         switch (n->type) {
 184         case MAN_ROOT:
 185                 t = "root";
 186                 break;
 187         case MAN_ELEM:
 188                 t = "elem";
 189                 break;
 190         case MAN_TEXT:
 191                 t = "text";
 192                 break;
 193         case MAN_BLOCK:
 194                 t = "block";
 195                 break;
 196         case MAN_HEAD:
 197                 t = "block-head";
 198                 break;
 199         case MAN_BODY:
 200                 t = "block-body";
 201                 break;
 202         case MAN_TAIL:
 203                 t = "block-tail";
 204                 break;
 205         case MAN_TBL:
 206                 /* FALLTHROUGH */
 207         case MAN_EQN:
 208                 break;
 209         default:
 210                 abort();
 211                 /* NOTREACHED */
 212         }
 213
 214         switch (n->type) {
 215         case MAN_TEXT:
 216                 p = n->string;
 217                 break;
 218         case MAN_ELEM:
 219                 /* FALLTHROUGH */
 220         case MAN_BLOCK:
 221                 /* FALLTHROUGH */
 222         case MAN_HEAD:
 223                 /* FALLTHROUGH */
 224         case MAN_TAIL:
 225                 /* FALLTHROUGH */
 226         case MAN_BODY:
 227                 p = man_macronames[n->tok];
 228                 break;
 229         case MAN_ROOT:
 230                 p = "root";
 231                 break;
 232         case MAN_TBL:
 233                 /* FALLTHROUGH */
 234         case MAN_EQN:
 235                 break;
 236         default:
 237                 abort();
 238                 /* NOTREACHED */
 239         }
 240
 241         if (n->span) {
 242                 assert(NULL == p && NULL == t);
 243                 print_span(n->span, indent);
 244         } else if (n->eqn) {
 245                 assert(NULL == p && NULL == t);
 246                 print_box(n->eqn->root, 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->child)
 257                 print_man(n->child, indent + 1);
 258         if (n->next)
 259                 print_man(n->next, indent);
 260 }
 261
 262 static void
 263 print_box(const struct eqn_box *ep, int indent)
 264 {
 265         int              i;
 266         const char      *t;
 267
 268         static const char *posnames[] = {
 269             NULL, "sup", "subsup", "sub",
 270             "to", "from", "fromto",
 271             "over", "sqrt", NULL };
 272
 273         if (NULL == ep)
 274                 return;
 275         for (i = 0; i < indent; i++)
 276                 putchar('\t');
 277
 278         t = NULL;
 279         switch (ep->type) {
 280         case EQN_ROOT:
 281                 t = "eqn-root";
 282                 break;
 283         case EQN_LISTONE:
 284         case EQN_LIST:
 285                 t = "eqn-list";
 286                 break;
 287         case EQN_SUBEXPR:
 288                 t = "eqn-expr";
 289                 break;
 290         case EQN_TEXT:
 291                 t = "eqn-text";
 292                 break;
 293         case EQN_PILE:
 294                 t = "eqn-pile";
 295                 break;
 296         case EQN_MATRIX:
 297                 t = "eqn-matrix";
 298                 break;
 299         }
 300
 301         fputs(t, stdout);
 302         if (ep->pos)
 303                 printf(" pos=%s", posnames[ep->pos]);
 304         if (ep->left)
 305                 printf(" left=\"%s\"", ep->left);
 306         if (ep->right)
 307                 printf(" right=\"%s\"", ep->right);
 308         if (ep->top)
 309                 printf(" top=\"%s\"", ep->top);
 310         if (ep->bottom)
 311                 printf(" bottom=\"%s\"", ep->bottom);
 312         if (ep->text)
 313                 printf(" text=\"%s\"", ep->text);
 314         if (ep->font)
 315                 printf(" font=%d", ep->font);
 316         if (ep->size != EQN_DEFSIZE)
 317                 printf(" size=%d", ep->size);
 318         if (ep->expectargs != UINT_MAX && ep->expectargs != ep->args)
 319                 printf(" badargs=%zu(%zu)", ep->args, ep->expectargs);
 320         else if (ep->args)
 321                 printf(" args=%zu", ep->args);
 322         putchar('\n');
 323
 324         print_box(ep->first, indent + 1);
 325         print_box(ep->next, indent);
 326 }
 327
 328 static void
 329 print_span(const struct tbl_span *sp, int indent)
 330 {
 331         const struct tbl_dat *dp;
 332         int              i;
 333
 334         for (i = 0; i < indent; i++)
 335                 putchar('\t');
 336
 337         switch (sp->pos) {
 338         case TBL_SPAN_HORIZ:
 339                 putchar('-');
 340                 return;
 341         case TBL_SPAN_DHORIZ:
 342                 putchar('=');
 343                 return;
 344         default:
 345                 break;
 346         }
 347
 348         for (dp = sp->first; dp; dp = dp->next) {
 349                 switch (dp->pos) {
 350                 case TBL_DATA_HORIZ:
 351                         /* FALLTHROUGH */
 352                 case TBL_DATA_NHORIZ:
 353                         putchar('-');
 354                         continue;
 355                 case TBL_DATA_DHORIZ:
 356                         /* FALLTHROUGH */
 357                 case TBL_DATA_NDHORIZ:
 358                         putchar('=');
 359                         continue;
 360                 default:
 361                         break;
 362                 }
 363                 printf("[\"%s\"", dp->string ? dp->string : "");
 364                 if (dp->spans)
 365                         printf("(%d)", dp->spans);
 366                 if (NULL == dp->layout)
 367                         putchar('*');
 368                 putchar(']');
 369                 putchar(' ');
 370         }
 371
 372         printf("(tbl) %d:1\n", sp->line);
 373 }