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 String name;
  10     private LinkedHashMap<String,DockDescription> docks         = new LinkedHashMap<String,DockDescription>();
  11     private LinkedHashMap<String,DockDescription> ports = new LinkedHashMap<String,DockDescription>();
  12     private HashMap<String,String>                sections      = new HashMap<String,String>();
  13     private HashMap<String,Constant>              constants     = new HashMap<String,Constant>();
  14
  15     public String getName() { return name; }
  16     public String getSection(String sectionName) { return sections.get(sectionName); }
  17     public DockDescription getDockDescription(String name) { return docks.get(name); }
  18     public Iterator<DockDescription> iterator() { return docks.values().iterator(); }
  19     public Iterable<DockDescription> ports() {
  20         return ports.values();
  21     }
  22
  23     public final LinkedList<PercolatedPort> percolatedPorts = new LinkedList<PercolatedPort>();
  24
  25     public ShipDescription(String name, BufferedReader r) throws IOException {
  26         if (name.endsWith(".ship")) name = name.substring(0, name.length()-".ship".length());
  27         this.name = name;
  28         String sectionName = null;
  29         StringBuffer sb = new StringBuffer();
  30         while(true) {
  31             String s = r.readLine();
  32             if (s==null || s.startsWith("==")) {
  33                 if (sectionName != null) sections.put(sectionName, sb.toString());
  34                 if (s==null) break;
  35                 sb = new StringBuffer();
  36                 sectionName = s.trim();
  37                 while(sectionName.startsWith("="))
  38                     sectionName = sectionName.substring(1);
  39                 while(sectionName.endsWith("="))
  40                     sectionName = sectionName.substring(0, sectionName.length()-1);
  41                 sectionName = sectionName.trim().toLowerCase();
  42                 continue;
  43             }
  44             sb.append(s+"\n");
  45         }
  46         for(String s : sections.keySet())
  47             processSection(s);
  48     }
  49
  50     public Constant getConstant(String name) {
  51         return constants.get(name);
  52     }
  53
  54     private void processSection(String section) throws IOException {
  55         if (section.equals("")) {
  56             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  57             for(String s = br.readLine(); s != null; s = br.readLine()) {
  58                 if (s.trim().length()==0) continue;
  59                 String key = s.substring(0, s.indexOf(':')).trim();
  60                 String val = s.substring(s.indexOf(':')+1).trim();
  61                 if (key.toLowerCase().equals("ship"))
  62                     name = val.trim();
  63             }
  64         } else if (section.equals("constants")) {
  65             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  66             for(String s = br.readLine(); s != null; s = br.readLine()) {
  67                 if (s.indexOf(':')==-1) continue;
  68                 String key = s.substring(0, s.indexOf(':')).trim();
  69                 if (key.startsWith("constant")) {
  70                     String constname = key.substring("constant".length()+1).trim();
  71                     String val       = s.substring(s.indexOf(':')+1).trim();
  72                     constants.put(constname, new Constant(val));
  73                 }
  74             }
  75         } else if (section.equals("ports")) {
  76             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  77             boolean rightSide = false;
  78             DockDescription p = null;
  79             for(String s = br.readLine(); s != null; s = br.readLine()) {
  80                 if (s.trim().length()==0) { rightSide = true; continue; }
  81
  82                 String key = s.substring(0, s.indexOf(':')).trim();
  83                 boolean inbox = false;
  84                 boolean dockless = false;
  85                 key = key.replaceAll("  +", " ");
  86                 if      (key.equals("data in"))   { inbox = true;  }
  87                 else if (key.equals("data out"))  { inbox = false; }
  88                 else if (key.equals("in"))        { inbox = true;  }
  89                 else if (key.equals("dockless out")) { inbox = false; dockless = true; }
  90                 else if (key.equals("out"))       { inbox = false; }
  91                 else if (key.startsWith("percolate")) {
  92                     key = s;
  93                     key = key.substring("percolate".length()+1).trim();
  94                     PercolatedPort.PortType type = null;
  95                     if (key.startsWith("up")) type = PercolatedPort.PortType.UP;
  96                     if (key.startsWith("down")) type = PercolatedPort.PortType.DOWN;
  97                     if (key.startsWith("inout")) type = PercolatedPort.PortType.INOUT;
  98                     key = key.substring(key.indexOf(':')+1).trim();
  99                     String name = key.substring(0, key.indexOf(' '));
 100                     int width = Integer.parseInt(key.substring(key.indexOf(' ')).trim());
 101                     percolatedPorts.add(new PercolatedPort(name, width, type));
 102                     continue;
 103                 }
 104                 else if (key.startsWith("constant")) {
 105                     String constname = key.substring("constant".length()+1).trim();
 106                     String val       = s.substring(s.indexOf(':')+1).trim();
 107                     p.addConstant(constname, new Constant(val));
 108                     continue;
 109                 } else if (key.startsWith("shortcut to")) {
 110                     continue;
 111                 }
 112                 else throw new RuntimeException("unknown port type: \""+key+"\"");
 113
 114                 p = null;
 115                 String val = s.substring(s.indexOf(':')+1).trim();
 116                 String boxname = val.indexOf('.') != -1 ? val.substring(0, val.indexOf('.')) : val;
 117                 String dest    = val.indexOf('.') != -1 ? val.substring(val.indexOf('.')+1)  : "";
 118                 p = docks.get(boxname);
 119                 if (p==null) {
 120                     p = new DockDescription(this, boxname, !rightSide, inbox, dockless);
 121                     ports.put(boxname, p);
 122                     if (!dockless) docks.put(boxname, p);
 123                 }
 124             }
 125         }
 126     }
 127
 128     public void printTeX(PrintWriter pw) throws Exception {
 129         ShipDescription sd = this;
 130         pw.println("\\pagebreak");
 131         pw.println("\\section*{The {\\tt "+sd.getName()+"} Ship}");
 132         pw.println("\\addcontentsline{toc}{subsection}{"+sd.getName()+"}");
 133         String tex = sd.getSection("tex");
 134         /*
 135         for(DockDescription bbd : sd) {
 136             pw.println("{\\bf "+(bbd.isInputDock() ? "Input: " : "Output: ")+"{\\tt "+bbd.getName()+"}}\n\n");
 137         }
 138         */
 139         int boxGap = 5;
 140         int boxHeight = 25;
 141         int boxWidth = 75;
 142
 143         int leftSize = 0;
 144         int rightSize = 0;
 145         for(DockDescription bbd : sd)
 146             if (bbd.isLeft()) leftSize += (boxHeight+boxGap);
 147             else              rightSize += (boxHeight+boxGap);
 148
 149         int totalHeight = Math.max(leftSize, rightSize);
 150         int shipWidth = (int)(boxWidth * 1.5);
 151         int totalWidth = boxGap*2 + boxWidth*2 + shipWidth;
 152
 153         pw.println("");
 154         pw.println("\\begin{center}");
 155         pw.println("\\begin{empfile}["+sd.getName()+"]");
 156         pw.println("\\begin{emp}["+sd.getName()+"]("+(totalWidth+10)+","+(totalHeight+10)+")");
 157         pw.println("  beginfig(1)");
 158         pw.println("      pickup pencircle scaled 1pt;");
 159         pw.println("      draw "+
 160                    "("+((totalWidth-shipWidth)/2)+","+0+")--"+
 161                    "("+((totalWidth-shipWidth)/2)+","+totalHeight+")--"+
 162                    "("+(totalWidth-((totalWidth-shipWidth)/2))+","+totalHeight+")--"+
 163                    "("+(totalWidth-((totalWidth-shipWidth)/2))+","+0+")--"+
 164                    "("+((totalWidth-shipWidth)/2)+","+0+");");
 165         int left = 0;
 166         int right = 0;
 167         for(DockDescription bbd : sd) {
 168             int ypos = (totalHeight - (boxGap/2) - (bbd.isLeft() ? left : right));
 169             int half = (totalWidth-shipWidth)/2;
 170             int p1 = bbd.isLeft() ? (half-5) : ((totalWidth-half)+5);
 171             int p3 = bbd.isLeft() ? (p1 - boxWidth) : (p1 + boxWidth);
 172             if (bbd.isInputDock()) {
 173                 int p1x = p1;
 174                 p1 = p3;
 175                 p3 = p1x;
 176             }
 177             boolean goo = ((bbd.isLeft() && bbd.isInputDock()) || (!bbd.isLeft() && bbd.isOutputDock()));
 178             int p2 = goo ? (p3 - (boxHeight/2)) : (p3 + (boxHeight/2));
 179             if (bbd.isLeft()) left += (boxHeight+boxGap);
 180             else              right += (boxHeight+boxGap);
 181             if (goo) {
 182                 pw.println("      label.rt(btex \\tt "+bbd.getName()+" etex, ("+(p1+3)+","+(ypos-boxHeight/2)+"));");
 183             } else {
 184                 pw.println("      label.lft(btex \\tt "+bbd.getName()+" etex, ("+(p1-3)+","+(ypos-boxHeight/2)+"));");
 185             }
 186             pw.println("      draw "+
 187                        "  ("+p1+","+ypos+")--"+
 188                        "  ("+p2+","+ypos+")--"+
 189                        "  ("+p3+","+(ypos-(boxHeight/2))+")--"+
 190                        "  ("+p2+","+(ypos-boxHeight)+")--"+
 191                        "  ("+p1+","+(ypos-boxHeight)+")--"+
 192                        "  ("+p1+","+ypos+");");
 193             if (bbd.isLeft()) leftSize += boxHeight;
 194             else              rightSize += boxHeight;
 195         }
 196         pw.println("  endfig;");
 197         pw.println("\\end{emp}");
 198         pw.println("\\end{empfile}");
 199         pw.println("\\end{center}");
 200         pw.println("");
 201
 202         if (tex!=null)
 203             pw.println(tex);
 204     }
 205
 206     // FIXME: merge with BitMask
 207     public class Constant {
 208         public long    setbits   = 0;
 209         public long    clearbits = 0;
 210         public boolean signExtend = false;
 211         public int     numberOffset = 0;
 212         public int     numberWidth = 0;
 213         public Constant(String s) {
 214             if (s.startsWith("0x")) {
 215                 setbits = Long.parseLong(s.substring(2), 16);
 216                 clearbits = ~setbits;
 217             } else if (s.length() == 37) {
 218                 for(int i=36; i>=0; i--) {
 219                     char c = s.charAt(36-i);
 220                     switch(c) {
 221                         case '0': clearbits |= (1<<i); break;
 222                         case '1': setbits   |= (1<<i); break;
 223                         case '.': break;
 224                         case 's': signExtend = true;  numberOffset = i; numberWidth++; break;
 225                         case 'u': signExtend = false; numberOffset = i; numberWidth++; break;
 226                     }
 227                 }
 228             } else {
 229                 setbits = Long.parseLong(s);
 230                 clearbits = ~setbits;
 231             }
 232         }
 233     }
 234
 235 }