src/vcg.c

   1 /* VCG description handler for Bison.
   2    Copyright (C) 2001, 2002 Free Software Foundation, Inc.
   3
   4    This file is part of Bison, the GNU Compiler Compiler.
   5
   6    Bison is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    Bison is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with Bison; see the file COPYING.  If not, write to
  18    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #include "system.h"
  22 #include "vcg.h"
  23 #include "vcg_defaults.h"
  24 #include "quotearg.h"
  25
  26 /* Return an unambiguous printable representated, for NAME, suitable
  27    for C strings.  Use slot 2 since the user may use slots 0 and 1.
  28    */
  29
  30 static char const *
  31 quote (char const *name)
  32 {
  33   return quotearg_n_style (2, c_quoting_style, name);
  34 }
  35
  36
  37 /* Initialize a graph with the default values. */
  38 void
  39 new_graph (graph_t *g)
  40 {
  41   g->title = G_TITLE;
  42   g->label = G_LABEL;
  43
  44   g->infos[0] = G_INFOS1;
  45   g->infos[1] = G_INFOS2;
  46   g->infos[2] = G_INFOS3;
  47
  48   g->color = G_COLOR;
  49   g->textcolor = G_TEXTCOLOR;
  50   g->bordercolor = G_BORDERCOLOR;
  51
  52   g->width = G_WIDTH;
  53   g->height = G_HEIGHT;
  54   g->borderwidth = G_BORDERWIDTH;
  55   g->x = G_X;
  56   g->y = G_Y;
  57   g->folding = G_FOLDING;
  58   g->shrink = G_SHRINK;
  59   g->stretch = G_STRETCH;
  60
  61   g->textmode = G_TEXTMODE;
  62   g->shape = G_SHAPE;
  63
  64   g->vertical_order = G_VERTICAL_ORDER;
  65   g->horizontal_order = G_HORIZONTAL_ORDER;
  66
  67   g->xmax = G_XMAX; /* Not output. */
  68   g->ymax = G_YMAX; /* Not output. */
  69
  70   g->xbase = G_XBASE;
  71   g->ybase = G_YBASE;
  72
  73   g->xspace = G_XSPACE;
  74   g->yspace = G_YSPACE;
  75   g->xlspace = G_XLSPACE; /* Not output. */
  76
  77   g->xraster = G_XRASTER;
  78   g->yraster = G_YRASTER;
  79   g->xlraster = G_XLRASTER;
  80
  81   g->hidden = G_HIDDEN; /* No default value. */
  82
  83   g->classname = G_CLASSNAME; /* No class name association. */
  84
  85   g->layoutalgorithm = G_LAYOUTALGORITHM;
  86   g->layout_downfactor = G_LAYOUT_DOWNFACTOR;
  87   g->layout_upfactor = G_LAYOUT_UPFACTOR;
  88   g->layout_nearfactor = G_LAYOUT_NEARFACTOR;
  89   g->layout_splinefactor = G_LAYOUT_SPLINEFACTOR;
  90
  91   g->late_edge_labels = G_LATE_EDGE_LABELS;
  92   g->display_edge_labels = G_DISPLAY_EDGE_LABELS;
  93   g->dirty_edge_labels = G_DIRTY_EDGE_LABELS;
  94   g->finetuning = G_FINETUNING;
  95   g->ignore_singles = G_IGNORE_SINGLES;
  96   g->straight_phase = G_STRAIGHT_PHASE;
  97   g->priority_phase = G_PRIORITY_PHASE;
  98   g->manhattan_edges = G_MANHATTAN_EDGES;
  99   g->smanhattan_edges = G_SMANHATTAN_EDGES;
 100   g->near_edges = G_NEAR_EDGES;
 101
 102   g->orientation = G_ORIENTATION;
 103   g->node_alignement = G_NODE_ALIGNEMENT;
 104   g->port_sharing = G_PORT_SHARING;
 105   g->arrow_mode = G_ARROW_MODE;
 106   g->treefactor = G_TREEFACTOR;
 107   g->spreadlevel = G_SPREADLEVEL;
 108   g->crossing_weight = G_CROSSING_WEIGHT;
 109   g->crossing_phase2 = G_CROSSING_PHASE2;
 110   g->crossing_optimization = G_CROSSING_OPTIMIZATION;
 111   g->view = G_VIEW;
 112
 113   g->edges = G_EDGES;
 114   g->nodes = G_NODES;
 115   g->splines = G_SPLINES;
 116
 117   g->bmax = G_BMAX;
 118   g->cmin = G_CMIN;
 119   g->cmax = G_CMAX;
 120   g->pmin = G_PMIN;
 121   g->pmax = G_PMAX;
 122   g->rmin = G_RMIN;
 123   g->rmax = G_RMAX;
 124   g->smax = G_SMAX;
 125
 126   g->node_list = G_NODE_LIST;
 127   g->edge_list = G_EDGE_LIST;
 128
 129   new_edge(&g->edge);
 130   new_node(&g->node);
 131 }
 132
 133 /* Initialize a node with the defalut values. */
 134 void
 135 new_node (node_t *node)
 136 {
 137   node->title = N_TITLE;
 138   node->label = N_LABEL;
 139
 140   node->locx = N_LOCX; /* Default unspcified. */
 141   node->locy = N_LOCY; /* Default unspcified. */
 142
 143   node->vertical_order = N_VERTICAL_ORDER;      /* Default unspcified. */
 144   node->horizontal_order = N_HORIZONTAL_ORDER;  /* Default unspcified. */
 145
 146   node->width = N_WIDTH; /* We assume that we can't define it now. */
 147   node->height = N_HEIGHT; /* Also. */
 148
 149   node->shrink = N_SHRINK;
 150   node->stretch = N_STRETCH;
 151
 152   node->folding = N_FOLDING; /* No explicit default value. */
 153
 154   node->shape = N_SHAPE;
 155   node->textmode = N_TEXTMODE;
 156   node->borderwidth = N_BORDERWIDTH;
 157
 158   node->color = N_COLOR;
 159   node->textcolor = N_TEXTCOLOR;
 160   node->bordercolor = N_BORDERCOLOR;
 161
 162   node->infos[0] = N_INFOS1;
 163   node->infos[1] = N_INFOS2;
 164   node->infos[2] = N_INFOS3;
 165
 166   node->next = N_NEXT;
 167 }
 168
 169 /* Initialize a edge with the defalut values. */
 170 void
 171 new_edge (edge_t *edge)
 172 {
 173   edge->type = E_EDGE_TYPE;
 174
 175   edge->sourcename = E_SOURCENAME;
 176   edge->targetname = E_TARGETNAME;
 177   edge->label = E_LABEL;
 178
 179   edge->linestyle = E_LINESTYLE;
 180   edge->thickness = E_THICKNESS;
 181
 182   edge->class = E_CLASS;
 183
 184   edge->color = E_COLOR;
 185   edge->textcolor = E_TEXTCOLOR;
 186   edge->arrowcolor = E_ARROWCOLOR;
 187   edge->backarrowcolor = E_BACKARROWCOLOR;
 188
 189   edge->arrowsize = E_ARROWSIZE;
 190   edge->backarrowsize = E_BACKARROWSIZE;
 191   edge->arrowstyle = E_ARROWSTYLE;
 192
 193   edge->backarrowstyle = E_BACKARROWSTYLE;
 194
 195   edge->priority = E_PRIORITY;
 196
 197   edge->anchor = E_ANCHOR;
 198
 199   edge->horizontal_order = E_HORIZONTAL_ORDER;
 200
 201   edge->next = E_NEXT;
 202 }
 203
 204 /*----------------------------------------------.
 205 | Get functions.                                |
 206 | Return string corresponding to an enum value. |
 207 `----------------------------------------------*/
 208
 209 static const char *
 210 get_color_str (enum color_e c)
 211 {
 212   switch (c)
 213     {
 214     case white:         return "white";
 215     case blue:          return "blue";
 216     case red:           return "red";
 217     case green:         return "green";
 218     case yellow:        return "yellow";
 219     case magenta:       return "magenta";
 220     case cyan:          return "cyan";
 221     case darkgrey:      return "darkgrey";
 222     case darkblue:      return "darkblue";
 223     case darkred:       return "darkred";
 224     case darkgreen:     return "darkgreen";
 225     case darkyellow:    return "darkyellow";
 226     case darkmagenta:   return "darkmagenta";
 227     case darkcyan:      return "darkcyan";
 228     case gold:          return "gold";
 229     case lightgrey:     return "lightgrey";
 230     case lightblue:     return "lightblue";
 231     case lightred:      return "lightred";
 232     case lightgreen:    return "lightgreen";
 233     case lightyellow:   return "lightyellow";
 234     case lightmagenta:  return "lightmagenta";
 235     case lightcyan:     return "lightcyan";
 236     case lilac:         return "lilac";
 237     case turquoise:     return "turquoise";
 238     case aquamarine:    return "aquamarine";
 239     case khaki:         return "khaki";
 240     case purple:        return "purple";
 241     case yellowgreen:   return "yellowgreen";
 242     case pink:          return "pink";
 243     case orange:        return "orange";
 244     case orchid:        return "orchid";
 245     case black:         return "black";
 246     default:            abort (); return NULL;
 247     }
 248 }
 249
 250 static const char *
 251 get_textmode_str (enum textmode_e t)
 252 {
 253   switch (t)
 254     {
 255     case centered:      return "center";
 256     case left_justify:  return "left_justify";
 257     case right_justify: return "right_justify";
 258     default:            abort (); return NULL;
 259     }
 260 }
 261
 262 static const char *
 263 get_shape_str (enum shape_e s)
 264 {
 265   switch (s)
 266     {
 267     case box:           return "box";
 268     case rhomb:         return "rhomb";
 269     case ellipse:       return "ellipse";
 270     case triangle:      return "triangle";
 271     default:            abort (); return NULL;
 272     }
 273 }
 274
 275 static const char *
 276 get_layoutalgorithm_str (enum layoutalgorithm_e l)
 277 {
 278   switch (l)
 279     {
 280     case normal:        return "normal";
 281     case maxdepth:      return "maxdepth";
 282     case mindepth:      return "mindepth";
 283     case maxdepthslow:  return "maxdepthslow";
 284     case mindepthslow:  return "mindepthslow";
 285     case maxdegree:     return "maxdegree";
 286     case mindegree:     return "mindegree";
 287     case maxindegree:   return "maxindegree";
 288     case minindegree:   return "minindegree";
 289     case maxoutdegree:  return "maxoutdegree";
 290     case minoutdegree:  return "minoutdegree";
 291     case minbackward:   return "minbackward";
 292     case dfs:           return "dfs";
 293     case tree:          return "tree";
 294     default:            abort (); return NULL;
 295     }
 296 }
 297
 298 static const char *
 299 get_decision_str (enum decision_e d)
 300 {
 301   switch (d)
 302     {
 303     case no:    return "no";
 304     case yes:   return "yes";
 305     default:    abort (); return NULL;
 306     }
 307 }
 308
 309 static const char *
 310 get_orientation_str (enum orientation_e o)
 311 {
 312   switch (o)
 313     {
 314     case top_to_bottom: return "top_to_bottom";
 315     case bottom_to_top: return "bottom_to_top";
 316     case left_to_right: return "left_to_right";
 317     case right_to_left: return "right_to_left";
 318     default:            abort (); return NULL;
 319     }
 320 }
 321
 322 static const char *
 323 get_node_alignement_str (enum alignement_e a)
 324 {
 325   switch (a)
 326     {
 327     case center:        return "center";
 328     case top:           return "top";
 329     case bottom:        return "bottom";
 330     default:            abort (); return NULL;
 331     }
 332 }
 333
 334 static const char *
 335 get_arrow_mode_str (enum arrow_mode_e a)
 336 {
 337   switch (a)
 338     {
 339     case fixed:         return "fixed";
 340     case free_a:        return "free";
 341     default:            abort (); return NULL;
 342     }
 343 }
 344
 345 static const char *
 346 get_crossing_type_str (enum crossing_type_e c)
 347 {
 348   switch (c)
 349     {
 350     case bary:          return "bary";
 351     case median:        return "median";
 352     case barymedian:    return "barymedian";
 353     case medianbary:    return "medianbary";
 354     default:            abort (); return NULL;
 355     }
 356 }
 357
 358 static const char *
 359 get_view_str (enum view_e v)
 360 {
 361   switch (v)
 362     {
 363     case normal_view:   return "normal_view";
 364     case cfish:         return "cfish";
 365     case pfish:         return "pfish";
 366     case fcfish:        return "fcfish";
 367     case fpfish:        return "fpfish";
 368     default:            abort (); return NULL;
 369     }
 370 }
 371
 372 static const char *
 373 get_linestyle_str (enum linestyle_e l)
 374 {
 375   switch (l)
 376     {
 377     case continuous:    return "continuous";
 378     case dashed:        return "dashed";
 379     case dotted:        return "dotted";
 380     case invisible:     return "invisible";
 381     default:            abort (); return NULL;
 382     }
 383 }
 384
 385 static const char *
 386 get_arrowstyle_str (enum arrowstyle_e a)
 387 {
 388   switch (a)
 389     {
 390     case solid: return "solid";
 391     case line:  return "line";
 392     case none:  return "none";
 393     default:    abort (); return NULL;
 394     }
 395 }
 396
 397 /*----------------------------.
 398 | Add functions.              |
 399 | Edge and Nodes int a graph. |
 400 `----------------------------*/
 401
 402 void
 403 add_node (graph_t *graph, node_t *node)
 404 {
 405   node->next = graph->node_list;
 406   graph->node_list = node;
 407 }
 408
 409 void
 410 add_edge (graph_t *graph, edge_t *edge)
 411 {
 412   edge->next = graph->edge_list;
 413   graph->edge_list = edge;
 414 }
 415
 416 void
 417 add_classname (graph_t *g, int val, const char *name)
 418 {
 419   struct classname_s *classname;
 420
 421   classname = XMALLOC (struct classname_s, 1);
 422   classname->no = val;
 423   classname->name = name;
 424   classname->next = g->classname;
 425   g->classname = classname;
 426 }
 427
 428 void
 429 add_infoname (graph_t *g, int integer, const char *string)
 430 {
 431   struct infoname_s *infoname;
 432
 433   infoname = XMALLOC (struct infoname_s, 1);
 434   infoname->integer = integer;
 435   infoname->string = string;
 436   infoname->next = g->infoname;
 437   g->infoname = infoname;
 438 }
 439
 440 /* Build a colorentry struct and add it to the list.  */
 441 void
 442 add_colorentry (graph_t *g, int color_idx, int red_cp,
 443                 int green_cp, int blue_cp)
 444 {
 445   struct colorentry_s *ce;
 446
 447   ce = XMALLOC (struct colorentry_s, 1);
 448   ce->color_index = color_idx;
 449   ce->red_cp = red_cp;
 450   ce->green_cp = green_cp;
 451   ce->blue_cp = blue_cp;
 452   ce->next = g->colorentry;
 453   g->colorentry = ce;
 454 }
 455
 456 /*-------------------------------------.
 457 | Open and close functions (formatted) |
 458 `-------------------------------------*/
 459
 460 void
 461 open_edge(edge_t *edge, FILE *fout)
 462 {
 463   switch (edge->type)
 464     {
 465     case normal_edge:
 466       fputs ("\tedge: {\n", fout);
 467       break;
 468     case back_edge:
 469       fputs ("\tbackedge: {\n", fout);
 470       break;
 471     case near_edge:
 472       fputs ("\tnearedge: {\n", fout);
 473       break;
 474     case bent_near_edge:
 475       fputs ("\tbentnearedge: {\n", fout);
 476       break;
 477     default:
 478       fputs ("\tedge: {\n", fout);
 479     }
 480 }
 481
 482 void
 483 close_edge(FILE *fout)
 484 {
 485   fputs ("\t}\n", fout);
 486 }
 487
 488 void
 489 open_node(FILE *fout)
 490 {
 491   fputs ("\tnode: {\n", fout);
 492 }
 493
 494 void
 495 close_node(FILE *fout)
 496 {
 497   fputs ("\t}\n", fout);
 498 }
 499
 500 void
 501 open_graph(FILE *fout)
 502 {
 503   fputs ("graph: {\n", fout);
 504 }
 505
 506 void
 507 close_graph(graph_t *graph, FILE *fout)
 508 {
 509   fputc ('\n', fout);
 510
 511   /* FIXME: Unallocate nodes and edges if required.  */
 512   {
 513     node_t *node;
 514
 515     for (node = graph->node_list; node; node = node->next)
 516       {
 517         open_node (fout);
 518         output_node (node, fout);
 519         close_node (fout);
 520       }
 521   }
 522
 523   fputc ('\n', fout);
 524
 525   {
 526     edge_t *edge;
 527
 528     for (edge = graph->edge_list; edge; edge = edge->next)
 529       {
 530         open_edge (edge, fout);
 531         output_edge (edge, fout);
 532         close_edge (fout);
 533       }
 534   }
 535
 536   fputs ("}\n", fout);
 537 }
 538
 539 /*-------------------------------------------.
 540 | Output functions (formatted) in file FOUT  |
 541 `-------------------------------------------*/
 542
 543 void
 544 output_node (node_t *node, FILE *fout)
 545 {
 546   if (node->title != N_TITLE)
 547     fprintf (fout, "\t\ttitle:\t%s\n", quote (node->title));
 548   if (node->label != N_LABEL)
 549     fprintf (fout, "\t\tlabel:\t%s\n", quote (node->label));
 550
 551   if ((node->locx != N_LOCX) && (node->locy != N_LOCY))
 552     fprintf (fout, "\t\tloc { x: %d  y: %d }\t\n", node->locx, node->locy);
 553
 554   if (node->vertical_order != N_VERTICAL_ORDER)
 555     fprintf (fout, "\t\tvertical_order:\t%d\n", node->vertical_order);
 556   if (node->horizontal_order != N_HORIZONTAL_ORDER)
 557     fprintf (fout, "\t\thorizontal_order:\t%d\n", node->horizontal_order);
 558
 559   if (node->width != N_WIDTH)
 560     fprintf (fout, "\t\twidth:\t%d\n", node->width);
 561   if (node->height != N_HEIGHT)
 562     fprintf (fout, "\t\theight:\t%d\n", node->height);
 563
 564   if (node->shrink != N_SHRINK)
 565     fprintf (fout, "\t\tshrink:\t%d\n", node->shrink);
 566   if (node->stretch != N_STRETCH)
 567     fprintf (fout, "\t\tstretch:\t%d\n", node->stretch);
 568
 569   if (node->folding != N_FOLDING)
 570     fprintf (fout, "\t\tfolding:\t%d\n", node->folding);
 571
 572   if (node->textmode != N_TEXTMODE)
 573     fprintf (fout, "\t\ttextmode:\t%s\n",
 574              get_textmode_str (node->textmode));
 575
 576   if (node->shape != N_SHAPE)
 577     fprintf (fout, "\t\tshape:\t%s\n", get_shape_str (node->shape));
 578
 579   if (node->borderwidth != N_BORDERWIDTH)
 580     fprintf (fout, "\t\tborderwidth:\t%d\n", node->borderwidth);
 581
 582   if (node->color != N_COLOR)
 583     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (node->color));
 584   if (node->textcolor != N_TEXTCOLOR)
 585     fprintf (fout, "\t\ttextcolor:\t%s\n",
 586              get_color_str (node->textcolor));
 587   if (node->bordercolor != N_BORDERCOLOR)
 588     fprintf (fout, "\t\tbordercolor:\t%s\n",
 589              get_color_str (node->bordercolor));
 590
 591   {
 592     int i;
 593     for (i = 0; i < 3; ++i)
 594       if (node->infos[i])
 595         fprintf (fout, "\t\tinfo%d:\t%s\n",
 596                  i, quote (node->infos[i]));
 597   }
 598 }
 599
 600 void
 601 output_edge (edge_t *edge, FILE *fout)
 602 {
 603   /* FIXME: SOURCENAME and TARGETNAME are mandatory
 604      so it has to be fatal not to give these informations.  */
 605   if (edge->sourcename != E_SOURCENAME)
 606     fprintf (fout, "\t\tsourcename:\t%s\n", quote (edge->sourcename));
 607   if (edge->targetname != E_TARGETNAME)
 608     fprintf (fout, "\t\ttargetname:\t%s\n", quote (edge->targetname));
 609
 610   if (edge->label != E_LABEL)
 611     fprintf (fout, "\t\tlabel:\t%s\n", quote (edge->label));
 612
 613   if (edge->linestyle != E_LINESTYLE)
 614     fprintf (fout, "\t\tlinestyle:\t%s\n",
 615              quote (get_linestyle_str(edge->linestyle)));
 616
 617   if (edge->thickness != E_THICKNESS)
 618     fprintf (fout, "\t\tthickness:\t%d\n", edge->thickness);
 619   if (edge->class != E_CLASS)
 620     fprintf (fout, "\t\tclass:\t%d\n", edge->class);
 621
 622   if (edge->color != E_COLOR)
 623     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (edge->color));
 624   if (edge->color != E_TEXTCOLOR)
 625     fprintf (fout, "\t\ttextcolor:\t%s\n",
 626              get_color_str (edge->textcolor));
 627   if (edge->arrowcolor != E_ARROWCOLOR)
 628     fprintf (fout, "\t\tarrowcolor:\t%s\n",
 629              get_color_str (edge->arrowcolor));
 630   if (edge->backarrowcolor != E_BACKARROWCOLOR)
 631     fprintf (fout, "\t\tbackarrowcolor:\t%s\n",
 632              get_color_str (edge->backarrowcolor));
 633
 634   if (edge->arrowsize != E_ARROWSIZE)
 635     fprintf (fout, "\t\tarrowsize:\t%d\n", edge->arrowsize);
 636   if (edge->backarrowsize != E_BACKARROWSIZE)
 637     fprintf (fout, "\t\tbackarrowsize:\t%d\n", edge->backarrowsize);
 638
 639   if (edge->arrowstyle != E_ARROWSTYLE)
 640     fprintf (fout, "\t\tarrowstyle:\t%s\n",
 641              get_arrowstyle_str(edge->arrowstyle));
 642   if (edge->backarrowstyle != E_BACKARROWSTYLE)
 643     fprintf (fout, "\t\tbackarrowstyle:\t%s\n",
 644              get_arrowstyle_str(edge->backarrowstyle));
 645
 646   if (edge->priority != E_PRIORITY)
 647     fprintf (fout, "\t\tpriority:\t%d\n", edge->priority);
 648   if (edge->anchor != E_ANCHOR)
 649     fprintf (fout, "\t\tanchor:\t%d\n", edge->anchor);
 650   if (edge->horizontal_order != E_HORIZONTAL_ORDER)
 651     fprintf (fout, "\t\thorizontal_order:\t%d\n", edge->horizontal_order);
 652 }
 653
 654 void
 655 output_graph (graph_t *graph, FILE *fout)
 656 {
 657   if (graph->title)
 658     fprintf (fout, "\ttitle:\t%s\n", quote (graph->title));
 659   if (graph->label)
 660     fprintf (fout, "\tlabel:\t%s\n", quote (graph->label));
 661
 662   {
 663     int i;
 664     for (i = 0; i < 3; ++i)
 665       if (graph->infos[i])
 666         fprintf (fout, "\tinfo%d:\t%s\n", i, quote (graph->infos[i]));
 667   }
 668
 669   if (graph->color != G_COLOR)
 670     fprintf (fout, "\tcolor:\t%s\n", get_color_str (graph->color));
 671   if (graph->textcolor != G_TEXTCOLOR)
 672     fprintf (fout, "\ttextcolor:\t%s\n", get_color_str (graph->textcolor));
 673   if (graph->bordercolor != G_BORDERCOLOR)
 674     fprintf (fout, "\tbordercolor:\t%s\n",
 675              get_color_str (graph->bordercolor));
 676
 677   if (graph->width != G_WIDTH)
 678     fprintf (fout, "\twidth:\t%d\n", graph->width);
 679   if (graph->height != G_HEIGHT)
 680     fprintf (fout, "\theight:\t%d\n", graph->height);
 681   if (graph->borderwidth != G_BORDERWIDTH)
 682     fprintf (fout, "\tborderwidth:\t%d\n", graph->borderwidth);
 683
 684   if (graph->x != G_X)
 685     fprintf (fout, "\tx:\t%d\n", graph->x);
 686   if (graph->y != G_Y)
 687     fprintf (fout, "\ty:\t%d\n", graph->y);
 688
 689   if (graph->folding != G_FOLDING)
 690     fprintf (fout, "\tfolding:\t%d\n", graph->folding);
 691
 692   if (graph->shrink != G_SHRINK)
 693     fprintf (fout, "\tshrink:\t%d\n", graph->shrink);
 694   if (graph->stretch != G_STRETCH)
 695     fprintf (fout, "\tstretch:\t%d\n", graph->stretch);
 696
 697   if (graph->textmode != G_TEXTMODE)
 698     fprintf (fout, "\ttextmode:\t%s\n",
 699              get_textmode_str (graph->textmode));
 700
 701   if (graph->shape != G_SHAPE)
 702     fprintf (fout, "\tshape:\t%s\n", get_shape_str (graph->shape));
 703
 704   if (graph->vertical_order != G_VERTICAL_ORDER)
 705     fprintf (fout, "\tvertical_order:\t%d\n", graph->vertical_order);
 706   if (graph->horizontal_order != G_HORIZONTAL_ORDER)
 707     fprintf (fout, "\thorizontal_order:\t%d\n", graph->horizontal_order);
 708
 709   if (graph->xmax != G_XMAX)
 710     fprintf (fout, "\txmax:\t%d\n", graph->xmax);
 711   if (graph->ymax != G_YMAX)
 712     fprintf (fout, "\tymax:\t%d\n", graph->ymax);
 713
 714   if (graph->xbase != G_XBASE)
 715     fprintf (fout, "\txbase:\t%d\n", graph->xbase);
 716   if (graph->ybase != G_YBASE)
 717     fprintf (fout, "\tybase:\t%d\n", graph->ybase);
 718
 719   if (graph->xspace != G_XSPACE)
 720     fprintf (fout, "\txspace:\t%d\n", graph->xspace);
 721   if (graph->yspace != G_YSPACE)
 722     fprintf (fout, "\tyspace:\t%d\n", graph->yspace);
 723   if (graph->xlspace != G_XLSPACE)
 724     fprintf (fout, "\txlspace:\t%d\n", graph->xlspace);
 725
 726   if (graph->xraster != G_XRASTER)
 727     fprintf (fout, "\txraster:\t%d\n", graph->xraster);
 728   if (graph->yraster != G_YRASTER)
 729     fprintf (fout, "\tyraster:\t%d\n", graph->yraster);
 730   if (graph->xlraster != G_XLRASTER)
 731     fprintf (fout, "\txlraster:\t%d\n", graph->xlraster);
 732
 733   if (graph->hidden != G_HIDDEN)
 734     fprintf (fout, "\thidden:\t%d\n", graph->hidden);
 735
 736   /* FIXME: Unallocate struct list if required.
 737      Maybe with a little function.  */
 738   if (graph->classname != G_CLASSNAME)
 739     {
 740       struct classname_s *ite;
 741
 742       for (ite = graph->classname; ite; ite = ite->next)
 743         fprintf (fout, "\tclassname %d :\t%s\n", ite->no, ite->name);
 744     }
 745
 746   if (graph->infoname != G_INFONAME)
 747     {
 748       struct infoname_s *ite;
 749
 750       for (ite = graph->infoname; ite; ite = ite->next)
 751         fprintf (fout, "\tinfoname %d :\t%s\n", ite->integer, ite->string);
 752     }
 753
 754   if (graph->colorentry != G_COLORENTRY)
 755     {
 756       struct colorentry_s *ite;
 757
 758       for (ite = graph->colorentry; ite; ite = ite->next)
 759         {
 760           fprintf (fout, "\tcolorentry %d :\t%d %d %d\n",
 761                    ite->color_index,
 762                    ite->red_cp,
 763                    ite->green_cp,
 764                    ite->blue_cp);
 765         }
 766     }
 767
 768   if (graph->layoutalgorithm != G_LAYOUTALGORITHM)
 769     fprintf (fout, "\tlayoutalgorithm:\t%s\n",
 770              get_layoutalgorithm_str(graph->layoutalgorithm));
 771
 772   if (graph->layout_downfactor != G_LAYOUT_DOWNFACTOR)
 773     fprintf (fout, "\tlayout_downfactor:\t%d\n", graph->layout_downfactor);
 774   if (graph->layout_upfactor != G_LAYOUT_UPFACTOR)
 775     fprintf (fout, "\tlayout_upfactor:\t%d\n", graph->layout_upfactor);
 776   if (graph->layout_nearfactor != G_LAYOUT_NEARFACTOR)
 777     fprintf (fout, "\tlayout_nearfactor:\t%d\n", graph->layout_nearfactor);
 778   if (graph->layout_splinefactor != G_LAYOUT_SPLINEFACTOR)
 779     fprintf (fout, "\tlayout_splinefactor:\t%d\n",
 780              graph->layout_splinefactor);
 781
 782   if (graph->late_edge_labels != G_LATE_EDGE_LABELS)
 783     fprintf (fout, "\tlate_edge_labels:\t%s\n",
 784              get_decision_str(graph->late_edge_labels));
 785   if (graph->display_edge_labels != G_DISPLAY_EDGE_LABELS)
 786     fprintf (fout, "\tdisplay_edge_labels:\t%s\n",
 787              get_decision_str(graph->display_edge_labels));
 788   if (graph->dirty_edge_labels != G_DIRTY_EDGE_LABELS)
 789     fprintf (fout, "\tdirty_edge_labels:\t%s\n",
 790              get_decision_str(graph->dirty_edge_labels));
 791   if (graph->finetuning != G_FINETUNING)
 792     fprintf (fout, "\tfinetuning:\t%s\n",
 793              get_decision_str(graph->finetuning));
 794   if (graph->ignore_singles != G_IGNORE_SINGLES)
 795     fprintf (fout, "\tignore_singles:\t%s\n",
 796              get_decision_str(graph->ignore_singles));
 797   if (graph->straight_phase != G_STRAIGHT_PHASE)
 798     fprintf (fout, "\tstraight_phase:\t%s\n",
 799              get_decision_str(graph->straight_phase));
 800   if (graph->priority_phase != G_PRIORITY_PHASE)
 801     fprintf (fout, "\tpriority_phase:\t%s\n",
 802              get_decision_str(graph->priority_phase));
 803   if (graph->manhattan_edges != G_MANHATTAN_EDGES)
 804     fprintf (fout,
 805              "\tmanhattan_edges:\t%s\n",
 806              get_decision_str(graph->manhattan_edges));
 807   if (graph->smanhattan_edges != G_SMANHATTAN_EDGES)
 808     fprintf (fout,
 809              "\tsmanhattan_edges:\t%s\n",
 810              get_decision_str(graph->smanhattan_edges));
 811   if (graph->near_edges != G_NEAR_EDGES)
 812     fprintf (fout, "\tnear_edges:\t%s\n",
 813              get_decision_str(graph->near_edges));
 814
 815   if (graph->orientation != G_ORIENTATION)
 816     fprintf (fout, "\torientation:\t%s\n",
 817              get_orientation_str(graph->orientation));
 818
 819   if (graph->node_alignement != G_NODE_ALIGNEMENT)
 820     fprintf (fout, "\tnode_alignement:\t%s\n",
 821              get_node_alignement_str(graph->node_alignement));
 822
 823   if (graph->port_sharing != G_PORT_SHARING)
 824     fprintf (fout, "\tport_sharing:\t%s\n",
 825              get_decision_str(graph->port_sharing));
 826
 827   if (graph->arrow_mode != G_ARROW_MODE)
 828     fprintf (fout, "\tarrow_mode:\t%s\n",
 829              get_arrow_mode_str(graph->arrow_mode));
 830
 831   if (graph->treefactor != G_TREEFACTOR)
 832     fprintf (fout, "\ttreefactor:\t%f\n", graph->treefactor);
 833   if (graph->spreadlevel != G_SPREADLEVEL)
 834     fprintf (fout, "\tspreadlevel:\t%d\n", graph->spreadlevel);
 835
 836   if (graph->crossing_weight != G_CROSSING_WEIGHT)
 837     fprintf (fout, "\tcrossing_weight:\t%s\n",
 838              get_crossing_type_str(graph->crossing_weight));
 839   if (graph->crossing_phase2 != G_CROSSING_PHASE2)
 840     fprintf (fout, "\tcrossing_phase2:\t%s\n",
 841              get_decision_str(graph->crossing_phase2));
 842   if (graph->crossing_optimization != G_CROSSING_OPTIMIZATION)
 843     fprintf (fout, "\tcrossing_optimization:\t%s\n",
 844              get_decision_str(graph->crossing_optimization));
 845
 846   if (graph->view != G_VIEW)
 847     fprintf (fout, "\tview:\t%s\n", get_view_str(graph->view));
 848
 849   if (graph->edges != G_EDGES)
 850     fprintf (fout, "\tedges:\t%s\n", get_decision_str(graph->edges));
 851
 852   if (graph->nodes != G_NODES)
 853     fprintf (fout,"\tnodes:\t%s\n", get_decision_str(graph->nodes));
 854
 855   if (graph->splines != G_SPLINES)
 856     fprintf (fout, "\tsplines:\t%s\n", get_decision_str(graph->splines));
 857
 858   if (graph->bmax != G_BMAX)
 859     fprintf (fout, "\tbmax:\t%d\n", graph->bmax);
 860   if (graph->cmin != G_CMIN)
 861     fprintf (fout, "\tcmin:\t%d\n", graph->cmin);
 862   if (graph->cmax != G_CMAX)
 863     fprintf (fout, "\tcmax:\t%d\n", graph->cmax);
 864   if (graph->pmin != G_PMIN)
 865     fprintf (fout, "\tpmin:\t%d\n", graph->pmin);
 866   if (graph->pmax != G_PMAX)
 867     fprintf (fout, "\tpmax:\t%d\n", graph->pmax);
 868   if (graph->rmin != G_RMIN)
 869     fprintf (fout, "\trmin:\t%d\n", graph->rmin);
 870   if (graph->rmax != G_RMAX)
 871     fprintf (fout, "\trmax:\t%d\n", graph->rmax);
 872   if (graph->smax != G_SMAX)
 873     fprintf (fout, "\tsmax:\t%d\n", graph->smax);
 874 }