Searching in browsers cache (Chrome, Firefox)

trunk/src/com/jpexs/browsers/cache/chrome/IndexInputStream.java

@@ -0,0 +1,63 @@
+package com.jpexs.browsers.cache.chrome;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ *
+ * @author JPEXS
+ */
+public class IndexInputStream extends InputStream {
+
+    private InputStream is;
+    public long pos = 0;
+
+    public long getPos() {
+        return pos;
+    }
+
+    public IndexInputStream(InputStream is) {
+        this.is = is;
+    }
+
+    @Override
+    public int read() throws IOException {
+        int r = is.read();
+        //System.out.print("$"+Integer.toHexString(r));
+        pos++;
+        return r;
+    }
+
+    public long readUInt32() throws IOException {
+        long r = (((long) read()) + ((long) (read() << 8)) + ((long) (read() << 16)) + ((long) (read() << 24))) & 0xffffffffL;
+        //System.out.println("");
+        return r;
+    }
+
+    public long readUInt64() throws IOException {
+        return readUInt32() + (readUInt32() << 32);
+    }
+
+    public long readInt64() throws IOException {
+        return readUInt64(); //FIXME
+    }
+
+    public int readInt32() throws IOException {
+        return (int) readUInt32();
+    }
+
+    public int readInt16() throws IOException {
+        return (short) ((int) read() + (int) (read() << 8));
+    }
+
+    public long readInt() throws IOException {
+        return readInt32();
+    }
+
+    public String readString() throws IOException {
+        int len = (int) readInt();
+        byte data[] = new byte[len];
+        read(data);
+        return new String(data);
+    }
+}