public static String readTag(KyoroFile vFile) throws IOException {
byte[] header = new byte[128];
long pointer = vFile.getFilePointer();
vFile.read(header);
int sep = 0;
for (int i = 0; i < header.length; i++) {
if (':' == header[i]) {
sep = i;
break;
}
}
String sizeAsS = new String(header, 3, sep - 3);
// android.util.Log.v("kiyo","##NNNN#"+new String(header,0,header.length));
long size = Long.parseLong(sizeAsS);
vFile.seek(pointer + sep + 1);
byte[] body = new byte[(int) size];
vFile.read(body);
return new String(body, "utf8");
}
public static void saveF(KyoroFile input, KyoroFile output, long begin, long end)
throws IOException {
byte[] buffer = new byte[1024];
long len = 0;
int writed = 0;
do {
len = end - begin - writed;
if (len >= 1024) {
len = 1024;
}
if (len <= 0) {
break;
}
len = input.read(buffer, (int) len);
if (len <= 0) {
break;
}
writed += len;
output.addChunk(buffer, 0, (int) len);
if (writed >= end - begin) {
break;
}
} while (true);
}
//
// call close in this method
public static void restore(KyoroFile index, KyoroFile input, KyoroFile output)
throws IOException {
// android.util.Log.v("kiyo","#restore()--1--");
// BufferedReader isrIndex = new BufferedReader(new InputStreamReader(input));
long inputPosition = 0;
try {
// android.util.Log.v("kiyo","#restore()--2-"+input.getFilePointer()+"<"+input.length());
// android.util.Log.v("kiyo","#restore()--2-"+index.getFilePointer()+"<"+index.length());
while (index.getFilePointer() < index.length()) {
// android.util.Log.v("kiyo","#restore()--3-"+index.getFilePointer()+"<"+index.length());
// String line = VirtualFile.readLine(index, "utf8");
String line = readTag(index);
//
// "DEL:b=" + beginPointer + ",e=" + endPointer + ";/n";
//
if (line.startsWith("DEL")) {
// android.util.Log.v("kiyo","#restore()--4--");
String tmp = line.substring(6, line.length());
String[] sp = tmp.split(",e=|;");
long begin = Long.parseLong(sp[0]);
long end = Long.parseLong(sp[1]);
// android.util.Log.v("kiyo","#be="+begin+","+end);
//
// write begin
//
// android.util.Log.v("kiyo","#1fp"+input.getFilePointer()+","+output.getFilePointer());
saveF(input, output, 0, begin - inputPosition);
//
// android.util.Log.v("kiyo","#2fp"+input.getFilePointer()+","+output.getFilePointer());
inputPosition += begin - inputPosition;
//
// android.util.Log.v("kiyo","#3fp"+input.getFilePointer()+","+output.getFilePointer());
// jump
input.seek(input.getFilePointer() + (end - begin));
//
// android.util.Log.v("kiyo","#4fp"+input.getFilePointer()+","+output.getFilePointer());
inputPosition += (end - begin);
//
// android.util.Log.v("kiyo","#5fp"+input.getFilePointer()+","+output.getFilePointer());
} else if (line.startsWith("ADD")) {
//
// "ADD:b=" + beginPointer + ",e=" + endPointer +",l="+",t="+ text + ";\n";
//
// android.util.Log.v("kiyo","#restore()--5--");
String tmp = line.substring(6, line.length());
String[] sp = tmp.split(",e=|,t=|;|,l=");
long begin = Long.parseLong(sp[0]);
long end = Long.parseLong(sp[1]);
long length = Long.parseLong(sp[2]);
String text = tmp.substring((int) (tmp.length() - length - 2), tmp.length() - 2);
//
// write begin
//
// android.util.Log.v("kiyo","#a1fp"+input.getFilePointer()+","+output.getFilePointer());
saveF(input, output, 0, begin - inputPosition);
//
// android.util.Log.v("kiyo","#a2fp"+input.getFilePointer()+","+output.getFilePointer());
inputPosition += begin - inputPosition;
//
// android.util.Log.v("kiyo","#a3fp"+input.getFilePointer()+","+output.getFilePointer());
// write text
byte[] buf = text.getBytes();
output.addChunk(buf, 0, buf.length);
} else {
// android.util.Log.v("kiyo","#restore()--6--"+line);
}
}
long av = input.length() - input.getFilePointer();
if (av >= 0) {
saveF(input, output, 0, av);
inputPosition += av;
}
} finally {
}
}
