src/edu/berkeley/fleet/two/ShipDescription.java

   1 package edu.berkeley.fleet.two;
   2 import edu.berkeley.fleet.api.*;
   3 import java.io.*;
   4 import java.util.*;
   5
   6 /** NOT YET FINALIZED: A description (specification) of a ship */
   7 public class ShipDescription implements Iterable<DockDescription> {
   8
   9     private Fleet fleet;
  10     private String name;
  11     private LinkedHashMap<String,DockDescription> docks         = new LinkedHashMap<String,DockDescription>();
  12     private LinkedHashMap<String,DockDescription> ports = new LinkedHashMap<String,DockDescription>();
  13     private HashMap<String,String>                sections      = new HashMap<String,String>();
  14     private HashMap<String,BitVector>              constants     = new HashMap<String,BitVector>();
  15
  16     public String getName() { return name; }
  17     public String getSection(String sectionName) { return sections.get(sectionName); }
  18     public DockDescription getDockDescription(String name) { return docks.get(name); }
  19     public Iterator<DockDescription> iterator() { return docks.values().iterator(); }
  20     public Iterable<DockDescription> ports() {
  21         return ports.values();
  22     }
  23
  24     public final LinkedList<PercolatedPort> percolatedPorts = new LinkedList<PercolatedPort>();
  25
  26     public ShipDescription(Fleet fleet, String name, BufferedReader r) throws IOException {
  27         if (name.endsWith(".ship")) name = name.substring(0, name.length()-".ship".length());
  28         this.name = name;
  29         this.fleet = fleet;
  30         String sectionName = null;
  31         StringBuffer sb = new StringBuffer();
  32         while(true) {
  33             String s = r.readLine();
  34             if (s==null || s.startsWith("==")) {
  35                 if (sectionName != null) sections.put(sectionName, sb.toString());
  36                 if (s==null) break;
  37                 sb = new StringBuffer();
  38                 sectionName = s.trim();
  39                 while(sectionName.startsWith("="))
  40                     sectionName = sectionName.substring(1);
  41                 while(sectionName.endsWith("="))
  42                     sectionName = sectionName.substring(0, sectionName.length()-1);
  43                 sectionName = sectionName.trim().toLowerCase();
  44                 continue;
  45             }
  46             sb.append(s+"\n");
  47         }
  48         for(String s : sections.keySet())
  49             processSection(s);
  50     }
  51
  52     public BitVector getConstant(String name) {
  53         BitVector c = constants.get(name);
  54         if (c==null) throw new RuntimeException("unknown constant " + name);
  55         return c;
  56     }
  57
  58     private void processSection(String section) throws IOException {
  59         if (section.equals("")) {
  60             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  61             for(String s = br.readLine(); s != null; s = br.readLine()) {
  62                 if (s.trim().length()==0) continue;
  63                 String key = s.substring(0, s.indexOf(':')).trim();
  64                 String val = s.substring(s.indexOf(':')+1).trim();
  65                 if (key.toLowerCase().equals("ship"))
  66                     name = val.trim();
  67             }
  68         } else if (section.equals("constants")) {
  69             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  70             for(String s = br.readLine(); s != null; s = br.readLine()) {
  71                 if (s.indexOf(':')==-1) continue;
  72                 String key = s.substring(0, s.indexOf(':')).trim();
  73                 if (key.startsWith("constant")) {
  74                     String constname = key.substring("constant".length()+1).trim();
  75                     String val       = s.substring(s.indexOf(':')+1).trim();
  76                     constants.put(constname, new BitVector(fleet.getWordWidth()).set(Integer.parseInt(val)));
  77                 }
  78             }
  79         } else if (section.equals("ports")) {
  80             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  81             boolean rightSide = false;
  82             DockDescription p = null;
  83             for(String s = br.readLine(); s != null; s = br.readLine()) {
  84                 if (s.trim().length()==0) { rightSide = true; continue; }
  85
  86                 String key = s.substring(0, s.indexOf(':')).trim();
  87                 boolean inbox = false;
  88                 boolean dockless = false;
  89                 key = key.replaceAll("  +", " ");
  90                 if      (key.equals("data in"))   { inbox = true;  }
  91                 else if (key.equals("data out"))  { inbox = false; }
  92                 else if (key.equals("in"))        { inbox = true;  }
  93                 else if (key.equals("dockless out")) { inbox = false; dockless = true; }
  94                 else if (key.equals("out"))       { inbox = false; }
  95                 else if (key.startsWith("percolate")) {
  96                     key = s;
  97                     key = key.substring("percolate".length()+1).trim();
  98                     PercolatedPort.PortType type = null;
  99                     if (key.startsWith("up")) type = PercolatedPort.PortType.UP;
 100                     if (key.startsWith("down")) type = PercolatedPort.PortType.DOWN;
 101                     if (key.startsWith("inout")) type = PercolatedPort.PortType.INOUT;
 102                     key = key.substring(key.indexOf(':')+1).trim();
 103                     String name = key.substring(0, key.indexOf(' '));
 104                     int width = Integer.parseInt(key.substring(key.indexOf(' ')).trim());
 105                     percolatedPorts.add(new PercolatedPort(name, width, type));
 106                     continue;
 107                 }
 108                 else if (key.startsWith("constant")) {
 109                     String constname = key.substring("constant".length()+1).trim();
 110                     String val       = s.substring(s.indexOf(':')+1).trim();
 111                     p.addConstant(constname, new BitVector(fleet.getWordWidth()).set(Integer.parseInt(val)));
 112                     continue;
 113                 } else if (key.startsWith("shortcut to")) {
 114                     continue;
 115                 }
 116                 else throw new RuntimeException("unknown port type: \""+key+"\"");
 117
 118                 p = null;
 119                 String val = s.substring(s.indexOf(':')+1).trim();
 120                 String boxname = val.indexOf('.') != -1 ? val.substring(0, val.indexOf('.')) : val;
 121                 String dest    = val.indexOf('.') != -1 ? val.substring(val.indexOf('.')+1)  : "";
 122                 p = docks.get(boxname);
 123                 if (p==null) {
 124                     p = new DockDescription(this, boxname, !rightSide, inbox, dockless);
 125                     ports.put(boxname, p);
 126                     if (!dockless) docks.put(boxname, p);
 127                 }
 128             }
 129         }
 130     }
 131
 132     public void printTeX(PrintWriter pw) throws Exception {
 133         ShipDescription sd = this;
 134         pw.println("\\pagebreak");
 135         pw.println("\\section*{The {\\tt "+sd.getName()+"} Ship}");
 136         pw.println("\\addcontentsline{toc}{subsection}{"+sd.getName()+"}");
 137         String tex = sd.getSection("tex");
 138         /*
 139         for(DockDescription bbd : sd) {
 140             pw.println("{\\bf "+(bbd.isInputDock() ? "Input: " : "Output: ")+"{\\tt "+bbd.getName()+"}}\n\n");
 141         }
 142         */
 143         int boxGap = 5;
 144         int boxHeight = 25;
 145         int boxWidth = 75;
 146
 147         int leftSize = 0;
 148         int rightSize = 0;
 149         for(DockDescription bbd : sd)
 150             if (bbd.isLeft()) leftSize += (boxHeight+boxGap);
 151             else              rightSize += (boxHeight+boxGap);
 152
 153         int totalHeight = Math.max(leftSize, rightSize);
 154         int shipWidth = (int)(boxWidth * 1.5);
 155         int totalWidth = boxGap*2 + boxWidth*2 + shipWidth;
 156
 157         pw.println("");
 158         pw.println("\\begin{center}");
 159         pw.println("\\begin{empfile}["+sd.getName()+"]");
 160         pw.println("\\begin{emp}["+sd.getName()+"]("+(totalWidth+10)+","+(totalHeight+10)+")");
 161         pw.println("  beginfig(1)");
 162         pw.println("      pickup pencircle scaled 1pt;");
 163         pw.println("      draw "+
 164                    "("+((totalWidth-shipWidth)/2)+","+0+")--"+
 165                    "("+((totalWidth-shipWidth)/2)+","+totalHeight+")--"+
 166                    "("+(totalWidth-((totalWidth-shipWidth)/2))+","+totalHeight+")--"+
 167                    "("+(totalWidth-((totalWidth-shipWidth)/2))+","+0+")--"+
 168                    "("+((totalWidth-shipWidth)/2)+","+0+");");
 169         int left = 0;
 170         int right = 0;
 171         for(DockDescription bbd : sd) {
 172             int ypos = (totalHeight - (boxGap/2) - (bbd.isLeft() ? left : right));
 173             int half = (totalWidth-shipWidth)/2;
 174             int p1 = bbd.isLeft() ? (half-5) : ((totalWidth-half)+5);
 175             int p3 = bbd.isLeft() ? (p1 - boxWidth) : (p1 + boxWidth);
 176             if (bbd.isInputDock()) {
 177                 int p1x = p1;
 178                 p1 = p3;
 179                 p3 = p1x;
 180             }
 181             boolean goo = ((bbd.isLeft() && bbd.isInputDock()) || (!bbd.isLeft() && bbd.isOutputDock()));
 182             int p2 = goo ? (p3 - (boxHeight/2)) : (p3 + (boxHeight/2));
 183             if (bbd.isLeft()) left += (boxHeight+boxGap);
 184             else              right += (boxHeight+boxGap);
 185             if (goo) {
 186                 pw.println("      label.rt(btex \\tt "+bbd.getName()+" etex, ("+(p1+3)+","+(ypos-boxHeight/2)+"));");
 187             } else {
 188                 pw.println("      label.lft(btex \\tt "+bbd.getName()+" etex, ("+(p1-3)+","+(ypos-boxHeight/2)+"));");
 189             }
 190             pw.println("      draw "+
 191                        "  ("+p1+","+ypos+")--"+
 192                        "  ("+p2+","+ypos+")--"+
 193                        "  ("+p3+","+(ypos-(boxHeight/2))+")--"+
 194                        "  ("+p2+","+(ypos-boxHeight)+")--"+
 195                        "  ("+p1+","+(ypos-boxHeight)+")--"+
 196                        "  ("+p1+","+ypos+");");
 197             if (bbd.isLeft()) leftSize += boxHeight;
 198             else              rightSize += boxHeight;
 199         }
 200         pw.println("  endfig;");
 201         pw.println("\\end{emp}");
 202         pw.println("\\end{empfile}");
 203         pw.println("\\end{center}");
 204         pw.println("");
 205
 206         if (tex!=null)
 207             pw.println(tex);
 208     }
 209
 210 }