src/vcg.c

   1 /* VCG description handler for Bison.
   2    Copyright 2001 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, allocated in slot 0,
  27    for NAME, suitable for C strings.  */
  28 static char const *
  29 quote (char const *name)
  30 {
  31   return quotearg_n_style (0, c_quoting_style, name);
  32 }
  33
  34
  35 /* Initialize a graph with the default values. */
  36 void
  37 new_graph (graph_t *g)
  38 {
  39   g->title = G_TITLE;
  40   g->label = G_LABEL;
  41
  42   g->infos[0] = G_INFOS1;
  43   g->infos[1] = G_INFOS2;
  44   g->infos[2] = G_INFOS3;
  45
  46   g->color = G_COLOR;
  47   g->textcolor = G_TEXTCOLOR;
  48   g->bordercolor = G_BORDERCOLOR;
  49
  50   g->width = G_WIDTH;
  51   g->height = G_HEIGHT;
  52   g->borderwidth = G_BORDERWIDTH;
  53   g->x = G_X;
  54   g->y = G_Y;
  55   g->folding = G_FOLDING;
  56   g->shrink = G_SHRINK;
  57   g->stretch = G_STRETCH;
  58
  59   g->textmode = G_TEXTMODE;
  60   g->shape = G_SHAPE;
  61
  62   g->vertical_order = G_VERTICAL_ORDER;
  63   g->horizontal_order = G_HORIZONTAL_ORDER;
  64
  65   g->xmax = G_XMAX; /* Not output. */
  66   g->ymax = G_YMAX; /* Not output. */
  67
  68   g->xbase = G_XBASE;
  69   g->ybase = G_YBASE;
  70
  71   g->xspace = G_XSPACE;
  72   g->yspace = G_YSPACE;
  73   g->xlspace = G_XLSPACE; /* Not output. */
  74
  75   g->xraster = G_XRASTER;
  76   g->yraster = G_YRASTER;
  77   g->xlraster = G_XLRASTER;
  78
  79   g->hidden = G_HIDDEN; /* No default value. */
  80
  81   g->classname = G_CLASSNAME; /* No class name association. */
  82
  83   g->layoutalgorithm = G_LAYOUTALGORITHM;
  84   g->layout_downfactor = G_LAYOUT_DOWNFACTOR;
  85   g->layout_upfactor = G_LAYOUT_UPFACTOR;
  86   g->layout_nearfactor = G_LAYOUT_NEARFACTOR;
  87   g->layout_splinefactor = G_LAYOUT_SPLINEFACTOR;
  88
  89   g->late_edge_labels = G_LATE_EDGE_LABELS;
  90   g->display_edge_labels = G_DISPLAY_EDGE_LABELS;
  91   g->dirty_edge_labels = G_DIRTY_EDGE_LABELS;
  92   g->finetuning = G_FINETUNING;
  93   g->ignore_singles = G_IGNORE_SINGLES;
  94   g->straight_phase = G_STRAIGHT_PHASE;
  95   g->priority_phase = G_PRIORITY_PHASE;
  96   g->manhattan_edges = G_MANHATTAN_EDGES;
  97   g->smanhattan_edges = G_SMANHATTAN_EDGES;
  98   g->near_edges = G_NEAR_EDGES;
  99
 100   g->orientation = G_ORIENTATION;
 101   g->node_alignement = G_NODE_ALIGNEMENT;
 102   g->port_sharing = G_PORT_SHARING;
 103   g->arrow_mode = G_ARROW_MODE;
 104   g->treefactor = G_TREEFACTOR;
 105   g->spreadlevel = G_SPREADLEVEL;
 106   g->crossing_weight = G_CROSSING_WEIGHT;
 107   g->crossing_phase2 = G_CROSSING_PHASE2;
 108   g->crossing_optimization = G_CROSSING_OPTIMIZATION;
 109   g->view = G_VIEW;
 110
 111   g->edges = G_EDGES;
 112   g->nodes = G_NODES;
 113   g->splines = G_SPLINES;
 114
 115   g->bmax = G_BMAX;
 116   g->cmin = G_CMIN;
 117   g->cmax = G_CMAX;
 118   g->pmin = G_PMIN;
 119   g->pmax = G_PMAX;
 120   g->rmin = G_RMIN;
 121   g->rmax = G_RMAX;
 122   g->smax = G_SMAX;
 123
 124   g->node_list = G_NODE_LIST;
 125   g->edge_list = G_EDGE_LIST;
 126
 127   new_edge(&g->edge);
 128   new_node(&g->node);
 129 }
 130
 131 /* Initialize a node with the defalut values. */
 132 void
 133 new_node (node_t *node)
 134 {
 135   node->title = N_TITLE;
 136   node->label = N_LABEL;
 137
 138   node->locx = N_LOCX; /* Default unspcified. */
 139   node->locy = N_LOCY; /* Default unspcified. */
 140
 141   node->vertical_order = N_VERTICAL_ORDER;      /* Default unspcified. */
 142   node->horizontal_order = N_HORIZONTAL_ORDER;  /* Default unspcified. */
 143
 144   node->width = N_WIDTH; /* We assume that we can't define it now. */
 145   node->height = N_HEIGHT; /* Also. */
 146
 147   node->shrink = N_SHRINK;
 148   node->stretch = N_STRETCH;
 149
 150   node->folding = N_FOLDING; /* No explicit default value. */
 151
 152   node->shape = N_SHAPE;
 153   node->textmode = N_TEXTMODE;
 154   node->borderwidth = N_BORDERWIDTH;
 155
 156   node->color = N_COLOR;
 157   node->textcolor = N_TEXTCOLOR;
 158   node->bordercolor = N_BORDERCOLOR;
 159
 160   node->infos[0] = N_INFOS1;
 161   node->infos[1] = N_INFOS2;
 162   node->infos[2] = N_INFOS3;
 163
 164   node->next = N_NEXT;
 165 }
 166
 167 /* Initialize a edge with the defalut values. */
 168 void
 169 new_edge (edge_t *edge)
 170 {
 171   edge->type = E_EDGE_TYPE;
 172
 173   edge->sourcename = E_SOURCENAME;
 174   edge->targetname = E_TARGETNAME;
 175   edge->label = E_LABEL;
 176
 177   edge->linestyle = E_LINESTYLE;
 178   edge->thickness = E_THICKNESS;
 179
 180   edge->class = E_CLASS;
 181
 182   edge->color = E_COLOR;
 183   edge->textcolor = E_TEXTCOLOR;
 184   edge->arrowcolor = E_ARROWCOLOR;
 185   edge->backarrowcolor = E_BACKARROWCOLOR;
 186
 187   edge->arrowsize = E_ARROWSIZE;
 188   edge->backarrowsize = E_BACKARROWSIZE;
 189   edge->arrowstyle = E_ARROWSTYLE;
 190
 191   edge->backarrowstyle = E_BACKARROWSTYLE;
 192
 193   edge->priority = E_PRIORITY;
 194
 195   edge->anchor = E_ANCHOR;
 196
 197   edge->horizontal_order = E_HORIZONTAL_ORDER;
 198
 199   edge->next = E_NEXT;
 200 }
 201
 202 /*----------------------------------------------.
 203 | Get functions.                                |
 204 | Return string corresponding to an enum value. |
 205 `----------------------------------------------*/
 206
 207 static const char *
 208 get_color_str (enum color_e c)
 209 {
 210   switch (c)
 211     {
 212     case white:         return "white";
 213     case blue:          return "blue";
 214     case red:           return "red";
 215     case green:         return "green";
 216     case yellow:        return "yellow";
 217     case magenta:       return "magenta";
 218     case cyan:          return "cyan";
 219     case darkgrey:      return "darkgrey";
 220     case darkblue:      return "darkblue";
 221     case darkred:       return "darkred";
 222     case darkgreen:     return "darkgreen";
 223     case darkyellow:    return "darkyellow";
 224     case darkmagenta:   return "darkmagenta";
 225     case darkcyan:      return "darkcyan";
 226     case gold:          return "gold";
 227     case lightgrey:     return "lightgrey";
 228     case lightblue:     return "lightblue";
 229     case lightred:      return "lightred";
 230     case lightgreen:    return "lightgreen";
 231     case lightyellow:   return "lightyellow";
 232     case lightmagenta:  return "lightmagenta";
 233     case lightcyan:     return "lightcyan";
 234     case lilac:         return "lilac";
 235     case turquoise:     return "turquoise";
 236     case aquamarine:    return "aquamarine";
 237     case khaki:         return "khaki";
 238     case purple:        return "purple";
 239     case yellowgreen:   return "yellowgreen";
 240     case pink:          return "pink";
 241     case orange:        return "orange";
 242     case orchid:        return "orchid";
 243     case black:         return "black";
 244     default:
 245       assert (!"Not a default color.");
 246     }
 247   return NULL;
 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:
 259       assert (!"Not a text mode.");
 260     }
 261   return NULL;
 262 }
 263
 264 static const char *
 265 get_shape_str (enum shape_e s)
 266 {
 267   switch (s)
 268     {
 269     case box:           return "box";
 270     case rhomb:         return "rhomb";
 271     case ellipse:       return "ellipse";
 272     case triangle:      return "triangle";
 273     default:
 274       assert (!"Not a shape.");
 275     }
 276   return NULL;
 277 }
 278
 279 static const char *
 280 get_layoutalgorithm_str (enum layoutalgorithm_e l)
 281 {
 282   switch (l)
 283     {
 284     case normal:        return "normal";
 285     case maxdepth:      return "maxdepth";
 286     case mindepth:      return "mindepth";
 287     case maxdepthslow:  return "maxdepthslow";
 288     case mindepthslow:  return "mindepthslow";
 289     case maxdegree:     return "maxdegree";
 290     case mindegree:     return "mindegree";
 291     case maxindegree:   return "maxindegree";
 292     case minindegree:   return "minindegree";
 293     case maxoutdegree:  return "maxoutdegree";
 294     case minoutdegree:  return "minoutdegree";
 295     case minbackward:   return "minbackward";
 296     case dfs:           return "dfs";
 297     case tree:          return "tree";
 298     default:
 299       assert (!"Not a layout algorithm.");
 300     }
 301   return NULL;
 302 }
 303
 304 static const char *
 305 get_decision_str (enum decision_e d)
 306 {
 307   switch (d)
 308     {
 309     case no:    return "no";
 310     case yes:   return "yes";
 311     default:
 312       assert (!"Either yes nor no.");
 313     }
 314   return NULL;
 315 }
 316
 317 static const char *
 318 get_orientation_str (enum orientation_e o)
 319 {
 320   switch (o)
 321     {
 322     case top_to_bottom: return "top_to_bottom";
 323     case bottom_to_top: return "bottom_to_top";
 324     case left_to_right: return "left_to_right";
 325     case right_to_left: return "right_to_left";
 326     default:
 327       assert (!"Not an orientation.");
 328     }
 329   return NULL;
 330 }
 331
 332 static const char *
 333 get_node_alignement_str (enum alignement_e a)
 334 {
 335   switch (a)
 336     {
 337     case center:        return "center";
 338     case top:           return "top";
 339     case bottom:        return "bottom";
 340     default:
 341       assert (!"Not an alignement.");
 342     }
 343   return NULL;
 344 }
 345
 346 static const char *
 347 get_arrow_mode_str (enum arrow_mode_e a)
 348 {
 349   switch (a)
 350     {
 351     case fixed:         return "fixed";
 352     case free_a:        return "free";
 353     default:
 354       assert (!"Not an arrow mode.");
 355     }
 356   return NULL;
 357 }
 358
 359 static const char *
 360 get_crossing_type_str (enum crossing_type_e c)
 361 {
 362   switch (c)
 363     {
 364     case bary:          return "bary";
 365     case median:        return "median";
 366     case barymedian:    return "barymedian";
 367     case medianbary:    return "medianbary";
 368     default:
 369       assert (!"Not a crossing type.");
 370     }
 371   return NULL;
 372 }
 373
 374 static const char *
 375 get_view_str (enum view_e v)
 376 {
 377   switch (v)
 378     {
 379     case normal_view:   return "normal_view";
 380     case cfish:         return "cfish";
 381     case pfish:         return "pfish";
 382     case fcfish:        return "fcfish";
 383     case fpfish:        return "fpfish";
 384     default:
 385       assert (!"Not a view.");
 386     }
 387   return NULL;
 388 }
 389
 390 static const char *
 391 get_linestyle_str (enum linestyle_e l)
 392 {
 393   switch (l)
 394     {
 395     case continuous:    return "continuous";
 396     case dashed:        return "dashed";
 397     case dotted:        return "dotted";
 398     case invisible:     return "invisible";
 399     default:
 400       assert (!"Not a line style.");
 401     }
 402   return NULL;
 403 }
 404
 405 static const char *
 406 get_arrowstyle_str (enum arrowstyle_e a)
 407 {
 408   switch (a)
 409     {
 410     case solid: return "solid";
 411     case line:  return "line";
 412     case none:  return "none";
 413     default:
 414       assert (!"Not an arrow style.");
 415     }
 416   return NULL;
 417 }
 418
 419 /*----------------------------.
 420 | Add functions.              |
 421 | Edge and Nodes int a graph. |
 422 `----------------------------*/
 423
 424 void
 425 add_node (graph_t *graph, node_t *node)
 426 {
 427   node->next = graph->node_list;
 428   graph->node_list = node;
 429 }
 430
 431 void
 432 add_edge (graph_t *graph, edge_t *edge)
 433 {
 434   edge->next = graph->edge_list;
 435   graph->edge_list = edge;
 436 }
 437
 438 void
 439 add_classname (graph_t *g, int val, const char *name)
 440 {
 441   struct classname_s *classname;
 442
 443   classname = XMALLOC (struct classname_s, 1);
 444   classname->no = val;
 445   classname->name = name;
 446   classname->next = g->classname;
 447   g->classname = classname;
 448 }
 449
 450 void
 451 add_infoname (graph_t *g, int integer, const char *string)
 452 {
 453   struct infoname_s *infoname;
 454
 455   infoname = XMALLOC (struct infoname_s, 1);
 456   infoname->integer = integer;
 457   infoname->string = string;
 458   infoname->next = g->infoname;
 459   g->infoname = infoname;
 460 }
 461
 462 /* Build a colorentry struct and add it to the list.  */
 463 void
 464 add_colorentry (graph_t *g, int color_idx, int red_cp,
 465                 int green_cp, int blue_cp)
 466 {
 467   struct colorentry_s *ce;
 468
 469   ce = XMALLOC (struct colorentry_s, 1);
 470   ce->color_index = color_idx;
 471   ce->red_cp = red_cp;
 472   ce->green_cp = green_cp;
 473   ce->blue_cp = blue_cp;
 474   ce->next = g->colorentry;
 475   g->colorentry = ce;
 476 }
 477
 478 /*-------------------------------------.
 479 | Open and close functions (formatted) |
 480 `-------------------------------------*/
 481
 482 void
 483 open_edge(edge_t *edge, FILE *fout)
 484 {
 485   switch (edge->type)
 486     {
 487     case normal_edge:
 488       fputs ("\tedge: {\n", fout);
 489       break;
 490     case back_edge:
 491       fputs ("\tbackedge: {\n", fout);
 492       break;
 493     case near_edge:
 494       fputs ("\tnearedge: {\n", fout);
 495       break;
 496     case bent_near_edge:
 497       fputs ("\tbentnearedge: {\n", fout);
 498       break;
 499     default:
 500       fputs ("\tedge: {\n", fout);
 501     }
 502 }
 503
 504 void
 505 close_edge(FILE *fout)
 506 {
 507   fputs ("\t}\n", fout);
 508 }
 509
 510 void
 511 open_node(FILE *fout)
 512 {
 513   fputs ("\tnode: {\n", fout);
 514 }
 515
 516 void
 517 close_node(FILE *fout)
 518 {
 519   fputs ("\t}\n", fout);
 520 }
 521
 522 void
 523 open_graph(FILE *fout)
 524 {
 525   fputs ("graph: {\n", fout);
 526 }
 527
 528 void
 529 close_graph(graph_t *graph, FILE *fout)
 530 {
 531   fputc ('\n', fout);
 532
 533   /* FIXME: Unallocate nodes and edges if required.  */
 534   {
 535     node_t *node;
 536
 537     for (node = graph->node_list; node; node = node->next)
 538       {
 539         open_node (fout);
 540         output_node (node, fout);
 541         close_node (fout);
 542       }
 543   }
 544
 545   fputc ('\n', fout);
 546
 547   {
 548     edge_t *edge;
 549
 550     for (edge = graph->edge_list; edge; edge = edge->next)
 551       {
 552         open_edge (edge, fout);
 553         output_edge (edge, fout);
 554         close_edge (fout);
 555       }
 556   }
 557
 558   fputs ("}\n", fout);
 559 }
 560
 561 /*-------------------------------------------.
 562 | Output functions (formatted) in file FOUT  |
 563 `-------------------------------------------*/
 564
 565 void
 566 output_node (node_t *node, FILE *fout)
 567 {
 568   if (node->title != N_TITLE)
 569     fprintf (fout, "\t\ttitle:\t%s\n", quote (node->title));
 570   if (node->label != N_LABEL)
 571     fprintf (fout, "\t\tlabel:\t%s\n", quote (node->label));
 572
 573   if ((node->locx != N_LOCX) && (node->locy != N_LOCY))
 574     fprintf (fout, "\t\tloc { x: %d  y: %d }\t\n", node->locx, node->locy);
 575
 576   if (node->vertical_order != N_VERTICAL_ORDER)
 577     fprintf (fout, "\t\tvertical_order:\t%d\n", node->vertical_order);
 578   if (node->horizontal_order != N_HORIZONTAL_ORDER)
 579     fprintf (fout, "\t\thorizontal_order:\t%d\n", node->horizontal_order);
 580
 581   if (node->width != N_WIDTH)
 582     fprintf (fout, "\t\twidth:\t%d\n", node->width);
 583   if (node->height != N_HEIGHT)
 584     fprintf (fout, "\t\theight:\t%d\n", node->height);
 585
 586   if (node->shrink != N_SHRINK)
 587     fprintf (fout, "\t\tshrink:\t%d\n", node->shrink);
 588   if (node->stretch != N_STRETCH)
 589     fprintf (fout, "\t\tstretch:\t%d\n", node->stretch);
 590
 591   if (node->folding != N_FOLDING)
 592     fprintf (fout, "\t\tfolding:\t%d\n", node->folding);
 593
 594   if (node->textmode != N_TEXTMODE)
 595     fprintf (fout, "\t\ttextmode:\t%s\n",
 596              get_textmode_str (node->textmode));
 597
 598   if (node->shape != N_SHAPE)
 599     fprintf (fout, "\t\tshape:\t%s\n", get_shape_str (node->shape));
 600
 601   if (node->borderwidth != N_BORDERWIDTH)
 602     fprintf (fout, "\t\tborderwidth:\t%d\n", node->borderwidth);
 603
 604   if (node->color != N_COLOR)
 605     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (node->color));
 606   if (node->textcolor != N_TEXTCOLOR)
 607     fprintf (fout, "\t\ttextcolor:\t%s\n",
 608              get_color_str (node->textcolor));
 609   if (node->bordercolor != N_BORDERCOLOR)
 610     fprintf (fout, "\t\tbordercolor:\t%s\n",
 611              get_color_str (node->bordercolor));
 612
 613   {
 614     int i;
 615     for (i = 0; i < 3; ++i)
 616       if (node->infos[i])
 617         fprintf (fout, "\t\tinfo%d:\t%s\n",
 618                  i, quote (node->infos[i]));
 619   }
 620 }
 621
 622 void
 623 output_edge (edge_t *edge, FILE *fout)
 624 {
 625   /* FIXME: SOURCENAME and TARGETNAME are mandatory
 626      so it has to be fatal not to give these informations.  */
 627   if (edge->sourcename != E_SOURCENAME)
 628     fprintf (fout, "\t\tsourcename:\t%s\n", quote (edge->sourcename));
 629   if (edge->targetname != E_TARGETNAME)
 630     fprintf (fout, "\t\ttargetname:\t%s\n", quote (edge->targetname));
 631
 632   if (edge->label != E_LABEL)
 633     fprintf (fout, "\t\tlabel:\t%s\n", quote (edge->label));
 634
 635   if (edge->linestyle != E_LINESTYLE)
 636     fprintf (fout, "\t\tlinestyle:\t%s\n",
 637              quote (get_linestyle_str(edge->linestyle)));
 638
 639   if (edge->thickness != E_THICKNESS)
 640     fprintf (fout, "\t\tthickness:\t%d\n", edge->thickness);
 641   if (edge->class != E_CLASS)
 642     fprintf (fout, "\t\tclass:\t%d\n", edge->class);
 643
 644   if (edge->color != E_COLOR)
 645     fprintf (fout, "\t\tcolor:\t%s\n", get_color_str (edge->color));
 646   if (edge->color != E_TEXTCOLOR)
 647     fprintf (fout, "\t\ttextcolor:\t%s\n",
 648              get_color_str (edge->textcolor));
 649   if (edge->arrowcolor != E_ARROWCOLOR)
 650     fprintf (fout, "\t\tarrowcolor:\t%s\n",
 651              get_color_str (edge->arrowcolor));
 652   if (edge->backarrowcolor != E_BACKARROWCOLOR)
 653     fprintf (fout, "\t\tbackarrowcolor:\t%s\n",
 654              get_color_str (edge->backarrowcolor));
 655
 656   if (edge->arrowsize != E_ARROWSIZE)
 657     fprintf (fout, "\t\tarrowsize:\t%d\n", edge->arrowsize);
 658   if (edge->backarrowsize != E_BACKARROWSIZE)
 659     fprintf (fout, "\t\tbackarrowsize:\t%d\n", edge->backarrowsize);
 660
 661   if (edge->arrowstyle != E_ARROWSTYLE)
 662     fprintf (fout, "\t\tarrowstyle:\t%s\n",
 663              get_arrowstyle_str(edge->arrowstyle));
 664   if (edge->backarrowstyle != E_BACKARROWSTYLE)
 665     fprintf (fout, "\t\tbackarrowstyle:\t%s\n",
 666              get_arrowstyle_str(edge->backarrowstyle));
 667
 668   if (edge->priority != E_PRIORITY)
 669     fprintf (fout, "\t\tpriority:\t%d\n", edge->priority);
 670   if (edge->anchor != E_ANCHOR)
 671     fprintf (fout, "\t\tanchor:\t%d\n", edge->anchor);
 672   if (edge->horizontal_order != E_HORIZONTAL_ORDER)
 673     fprintf (fout, "\t\thorizontal_order:\t%d\n", edge->horizontal_order);
 674 }
 675
 676 void
 677 output_graph (graph_t *graph, FILE *fout)
 678 {
 679   if (graph->title)
 680     fprintf (fout, "\ttitle:\t%s\n", quote (graph->title));
 681   if (graph->label)
 682     fprintf (fout, "\tlabel:\t%s\n", quote (graph->label));
 683
 684   {
 685     int i;
 686     for (i = 0; i < 3; ++i)
 687       if (graph->infos[i])
 688         fprintf (fout, "\tinfo%d:\t%s\n", i, quote (graph->infos[i]));
 689   }
 690
 691   if (graph->color != G_COLOR)
 692     fprintf (fout, "\tcolor:\t%s\n", get_color_str (graph->color));
 693   if (graph->textcolor != G_TEXTCOLOR)
 694     fprintf (fout, "\ttextcolor:\t%s\n", get_color_str (graph->textcolor));
 695   if (graph->bordercolor != G_BORDERCOLOR)
 696     fprintf (fout, "\tbordercolor:\t%s\n",
 697              get_color_str (graph->bordercolor));
 698
 699   if (graph->width != G_WIDTH)
 700     fprintf (fout, "\twidth:\t%d\n", graph->width);
 701   if (graph->height != G_HEIGHT)
 702     fprintf (fout, "\theight:\t%d\n", graph->height);
 703   if (graph->borderwidth != G_BORDERWIDTH)
 704     fprintf (fout, "\tborderwidth:\t%d\n", graph->borderwidth);
 705
 706   if (graph->x != G_X)
 707     fprintf (fout, "\tx:\t%d\n", graph->x);
 708   if (graph->y != G_Y)
 709     fprintf (fout, "\ty:\t%d\n", graph->y);
 710
 711   if (graph->folding != G_FOLDING)
 712     fprintf (fout, "\tfolding:\t%d\n", graph->folding);
 713
 714   if (graph->shrink != G_SHRINK)
 715     fprintf (fout, "\tshrink:\t%d\n", graph->shrink);
 716   if (graph->stretch != G_STRETCH)
 717     fprintf (fout, "\tstretch:\t%d\n", graph->stretch);
 718
 719   if (graph->textmode != G_TEXTMODE)
 720     fprintf (fout, "\ttextmode:\t%s\n",
 721              get_textmode_str (graph->textmode));
 722
 723   if (graph->shape != G_SHAPE)
 724     fprintf (fout, "\tshape:\t%s\n", get_shape_str (graph->shape));
 725
 726   if (graph->vertical_order != G_VERTICAL_ORDER)
 727     fprintf (fout, "\tvertical_order:\t%d\n", graph->vertical_order);
 728   if (graph->horizontal_order != G_HORIZONTAL_ORDER)
 729     fprintf (fout, "\thorizontal_order:\t%d\n", graph->horizontal_order);
 730
 731   if (graph->xmax != G_XMAX)
 732     fprintf (fout, "\txmax:\t%d\n", graph->xmax);
 733   if (graph->ymax != G_YMAX)
 734     fprintf (fout, "\tymax:\t%d\n", graph->ymax);
 735
 736   if (graph->xbase != G_XBASE)
 737     fprintf (fout, "\txbase:\t%d\n", graph->xbase);
 738   if (graph->ybase != G_YBASE)
 739     fprintf (fout, "\tybase:\t%d\n", graph->ybase);
 740
 741   if (graph->xspace != G_XSPACE)
 742     fprintf (fout, "\txspace:\t%d\n", graph->xspace);
 743   if (graph->yspace != G_YSPACE)
 744     fprintf (fout, "\tyspace:\t%d\n", graph->yspace);
 745   if (graph->xlspace != G_XLSPACE)
 746     fprintf (fout, "\txlspace:\t%d\n", graph->xlspace);
 747
 748   if (graph->xraster != G_XRASTER)
 749     fprintf (fout, "\txraster:\t%d\n", graph->xraster);
 750   if (graph->yraster != G_YRASTER)
 751     fprintf (fout, "\tyraster:\t%d\n", graph->yraster);
 752   if (graph->xlraster != G_XLRASTER)
 753     fprintf (fout, "\txlraster:\t%d\n", graph->xlraster);
 754
 755   if (graph->hidden != G_HIDDEN)
 756     fprintf (fout, "\thidden:\t%d\n", graph->hidden);
 757
 758   /* FIXME: Unallocate struct list if required.
 759      Maybe with a little function.  */
 760   if (graph->classname != G_CLASSNAME)
 761     {
 762       struct classname_s *ite;
 763
 764       for (ite = graph->classname; ite; ite = ite->next)
 765         fprintf (fout, "\tclassname %d :\t%s\n", ite->no, ite->name);
 766     }
 767
 768   if (graph->infoname != G_INFONAME)
 769     {
 770       struct infoname_s *ite;
 771
 772       for (ite = graph->infoname; ite; ite = ite->next)
 773         fprintf (fout, "\tinfoname %d :\t%s\n", ite->integer, ite->string);
 774     }
 775
 776   if (graph->colorentry != G_COLORENTRY)
 777     {
 778       struct colorentry_s *ite;
 779
 780       for (ite = graph->colorentry; ite; ite = ite->next)
 781         {
 782           fprintf (fout, "\tcolorentry %d :\t%d %d %d\n",
 783                    ite->color_index,
 784                    ite->red_cp,
 785                    ite->green_cp,
 786                    ite->blue_cp);
 787         }
 788     }
 789
 790   if (graph->layoutalgorithm != G_LAYOUTALGORITHM)
 791     fprintf (fout, "\tlayoutalgorithm:\t%s\n",
 792              get_layoutalgorithm_str(graph->layoutalgorithm));
 793
 794   if (graph->layout_downfactor != G_LAYOUT_DOWNFACTOR)
 795     fprintf (fout, "\tlayout_downfactor:\t%d\n", graph->layout_downfactor);
 796   if (graph->layout_upfactor != G_LAYOUT_UPFACTOR)
 797     fprintf (fout, "\tlayout_upfactor:\t%d\n", graph->layout_upfactor);
 798   if (graph->layout_nearfactor != G_LAYOUT_NEARFACTOR)
 799     fprintf (fout, "\tlayout_nearfactor:\t%d\n", graph->layout_nearfactor);
 800   if (graph->layout_splinefactor != G_LAYOUT_SPLINEFACTOR)
 801     fprintf (fout, "\tlayout_splinefactor:\t%d\n",
 802              graph->layout_splinefactor);
 803
 804   if (graph->late_edge_labels != G_LATE_EDGE_LABELS)
 805     fprintf (fout, "\tlate_edge_labels:\t%s\n",
 806              get_decision_str(graph->late_edge_labels));
 807   if (graph->display_edge_labels != G_DISPLAY_EDGE_LABELS)
 808     fprintf (fout, "\tdisplay_edge_labels:\t%s\n",
 809              get_decision_str(graph->display_edge_labels));
 810   if (graph->dirty_edge_labels != G_DIRTY_EDGE_LABELS)
 811     fprintf (fout, "\tdirty_edge_labels:\t%s\n",
 812              get_decision_str(graph->dirty_edge_labels));
 813   if (graph->finetuning != G_FINETUNING)
 814     fprintf (fout, "\tfinetuning:\t%s\n",
 815              get_decision_str(graph->finetuning));
 816   if (graph->ignore_singles != G_IGNORE_SINGLES)
 817     fprintf (fout, "\tignore_singles:\t%s\n",
 818              get_decision_str(graph->ignore_singles));
 819   if (graph->straight_phase != G_STRAIGHT_PHASE)
 820     fprintf (fout, "\tstraight_phase:\t%s\n",
 821              get_decision_str(graph->straight_phase));
 822   if (graph->priority_phase != G_PRIORITY_PHASE)
 823     fprintf (fout, "\tpriority_phase:\t%s\n",
 824              get_decision_str(graph->priority_phase));
 825   if (graph->manhattan_edges != G_MANHATTAN_EDGES)
 826     fprintf (fout,
 827              "\tmanhattan_edges:\t%s\n",
 828              get_decision_str(graph->manhattan_edges));
 829   if (graph->smanhattan_edges != G_SMANHATTAN_EDGES)
 830     fprintf (fout,
 831              "\tsmanhattan_edges:\t%s\n",
 832              get_decision_str(graph->smanhattan_edges));
 833   if (graph->near_edges != G_NEAR_EDGES)
 834     fprintf (fout, "\tnear_edges:\t%s\n",
 835              get_decision_str(graph->near_edges));
 836
 837   if (graph->orientation != G_ORIENTATION)
 838     fprintf (fout, "\torientation:\t%s\n",
 839              get_orientation_str(graph->orientation));
 840
 841   if (graph->node_alignement != G_NODE_ALIGNEMENT)
 842     fprintf (fout, "\tnode_alignement:\t%s\n",
 843              get_node_alignement_str(graph->node_alignement));
 844
 845   if (graph->port_sharing != G_PORT_SHARING)
 846     fprintf (fout, "\tport_sharing:\t%s\n",
 847              get_decision_str(graph->port_sharing));
 848
 849   if (graph->arrow_mode != G_ARROW_MODE)
 850     fprintf (fout, "\tarrow_mode:\t%s\n",
 851              get_arrow_mode_str(graph->arrow_mode));
 852
 853   if (graph->treefactor != G_TREEFACTOR)
 854     fprintf (fout, "\ttreefactor:\t%f\n", graph->treefactor);
 855   if (graph->spreadlevel != G_SPREADLEVEL)
 856     fprintf (fout, "\tspreadlevel:\t%d\n", graph->spreadlevel);
 857
 858   if (graph->crossing_weight != G_CROSSING_WEIGHT)
 859     fprintf (fout, "\tcrossing_weight:\t%s\n",
 860              get_crossing_type_str(graph->crossing_weight));
 861   if (graph->crossing_phase2 != G_CROSSING_PHASE2)
 862     fprintf (fout, "\tcrossing_phase2:\t%s\n",
 863              get_decision_str(graph->crossing_phase2));
 864   if (graph->crossing_optimization != G_CROSSING_OPTIMIZATION)
 865     fprintf (fout, "\tcrossing_optimization:\t%s\n",
 866              get_decision_str(graph->crossing_optimization));
 867
 868   if (graph->view != G_VIEW)
 869     fprintf (fout, "\tview:\t%s\n", get_view_str(graph->view));
 870
 871   if (graph->edges != G_EDGES)
 872     fprintf (fout, "\tedges:\t%s\n", get_decision_str(graph->edges));
 873
 874   if (graph->nodes != G_NODES)
 875     fprintf (fout,"\tnodes:\t%s\n", get_decision_str(graph->nodes));
 876
 877   if (graph->splines != G_SPLINES)
 878     fprintf (fout, "\tsplines:\t%s\n", get_decision_str(graph->splines));
 879
 880   if (graph->bmax != G_BMAX)
 881     fprintf (fout, "\tbmax:\t%d\n", graph->bmax);
 882   if (graph->cmin != G_CMIN)
 883     fprintf (fout, "\tcmin:\t%d\n", graph->cmin);
 884   if (graph->cmax != G_CMAX)
 885     fprintf (fout, "\tcmax:\t%d\n", graph->cmax);
 886   if (graph->pmin != G_PMIN)
 887     fprintf (fout, "\tpmin:\t%d\n", graph->pmin);
 888   if (graph->pmax != G_PMAX)
 889     fprintf (fout, "\tpmax:\t%d\n", graph->pmax);
 890   if (graph->rmin != G_RMIN)
 891     fprintf (fout, "\trmin:\t%d\n", graph->rmin);
 892   if (graph->rmax != G_RMAX)
 893     fprintf (fout, "\trmax:\t%d\n", graph->rmax);
 894   if (graph->smax != G_SMAX)
 895     fprintf (fout, "\tsmax:\t%d\n", graph->smax);
 896 }