first commit

hrmsEjb/jxl/biff/drawing/EscherRecordData.java

@@ -0,0 +1,121 @@
+package jxl.biff.drawing;
+
+import common.Logger;
+import jxl.biff.IntegerHelper;
+
+final class EscherRecordData {
+  private static Logger logger = Logger.getLogger(EscherRecordData.class);
+  
+  private int pos;
+  
+  private int instance;
+  
+  private int version;
+  
+  private int recordId;
+  
+  private int length;
+  
+  private int streamLength;
+  
+  private boolean container;
+  
+  private EscherRecordType type;
+  
+  private EscherStream escherStream;
+  
+  public EscherRecordData(EscherStream dg, int p) {
+    this.escherStream = dg;
+    this.pos = p;
+    byte[] data = this.escherStream.getData();
+    this.streamLength = data.length;
+    int value = IntegerHelper.getInt(data[this.pos], data[this.pos + 1]);
+    this.instance = (value & 0xFFF0) >> 4;
+    this.version = value & 0xF;
+    this.recordId = IntegerHelper.getInt(data[this.pos + 2], data[this.pos + 3]);
+    this.length = IntegerHelper.getInt(data[this.pos + 4], data[this.pos + 5], data[this.pos + 6], data[this.pos + 7]);
+    if (this.version == 15) {
+      this.container = true;
+    } else {
+      this.container = false;
+    } 
+  }
+  
+  public EscherRecordData(EscherRecordType t) {
+    this.type = t;
+    this.recordId = this.type.getValue();
+  }
+  
+  public boolean isContainer() {
+    return this.container;
+  }
+  
+  public int getLength() {
+    return this.length;
+  }
+  
+  public int getRecordId() {
+    return this.recordId;
+  }
+  
+  EscherStream getDrawingGroup() {
+    return this.escherStream;
+  }
+  
+  int getPos() {
+    return this.pos;
+  }
+  
+  EscherRecordType getType() {
+    if (this.type == null)
+      this.type = EscherRecordType.getType(this.recordId); 
+    return this.type;
+  }
+  
+  int getInstance() {
+    return this.instance;
+  }
+  
+  void setContainer(boolean c) {
+    this.container = c;
+  }
+  
+  void setInstance(int inst) {
+    this.instance = inst;
+  }
+  
+  void setLength(int l) {
+    this.length = l;
+  }
+  
+  void setVersion(int v) {
+    this.version = v;
+  }
+  
+  byte[] setHeaderData(byte[] d) {
+    byte[] data = new byte[d.length + 8];
+    System.arraycopy(d, 0, data, 8, d.length);
+    if (this.container)
+      this.version = 15; 
+    int value = this.instance << 4;
+    value |= this.version;
+    IntegerHelper.getTwoBytes(value, data, 0);
+    IntegerHelper.getTwoBytes(this.recordId, data, 2);
+    IntegerHelper.getFourBytes(d.length, data, 4);
+    return data;
+  }
+  
+  EscherStream getEscherStream() {
+    return this.escherStream;
+  }
+  
+  byte[] getBytes() {
+    byte[] d = new byte[this.length];
+    System.arraycopy(this.escherStream.getData(), this.pos + 8, d, 0, this.length);
+    return d;
+  }
+  
+  int getStreamLength() {
+    return this.streamLength;
+  }
+}