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/*
* Copyright (C) 2007 Steve Ratcliffe
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* Author: Steve Ratcliffe
* Create date: 23-Sep-2007
*/
package uk.me.parabola.tdbfmt;
import java.io.IOException;
import uk.me.parabola.io.StructuredInputStream;
import uk.me.parabola.io.StructuredOutputStream;
/**
* Details of a single .img file that is part of the map set. There will be
* one of these for each .img file.
*
* @author Steve Ratcliffe
*/
public class DetailMapBlock
extends OverviewMapBlock
{
private int tdbVersion
;
private String innername
;
// Sizes of the regions. It is possible that rgn and tre are reversed?
private int rgnDataSize
;
private int treDataSize
;
private int lblDataSize
;
private int netDataSize
;
private int nodDataSize
;
public DetailMapBlock
(int tdbVersion
) {
assert tdbVersion
> 0;
this.
tdbVersion = tdbVersion
;
}
/**
* Initialise this block from the raw block given.
* @param block The raw block read from the file.
* @throws IOException For io problems.
*/
public DetailMapBlock
(Block block
) throws IOException {
super(block
);
StructuredInputStream ds = block.
getInputStream();
// First there are a couple of fields that we ignore.
int junk = ds.
read2();
assert junk ==
4;
junk = ds.
read2();
assert junk ==
3;
// Sizes of the data
rgnDataSize = ds.
read4();
treDataSize = ds.
read4();
lblDataSize = ds.
read4();
// Another ignored field
junk = ds.
read();
assert junk ==
1;
}
/**
* Write into the given block.
*
* @param block The block that will have been initialised to be a detail
* block.
* @throws IOException Problems writing, probably can't really happen as
* we use an array backed stream.
*/
public void write
(Block block
) throws IOException {
super.
write(block
);
StructuredOutputStream os = block.
getOutputStream();
int n =
3;
if (tdbVersion
>= TdbFile.
TDB_V407) {
if (netDataSize
> 0)
n++
;
if (nodDataSize
> 0)
n++
;
}
os.
write2(n+
1);
os.
write2(n
);
os.
write4(treDataSize
);
os.
write4(rgnDataSize
);
os.
write4(lblDataSize
);
if (tdbVersion
>= TdbFile.
TDB_V407) {
if (n
> 3) os.
write4(netDataSize
);
if (n
> 4) os.
write4(nodDataSize
);
//01 c3 00 ff
os.
write4(0xff00c301
);
os.
write(0);
os.
write(0);
os.
write(0);
String mn = getInnername
();
os.
writeString(mn +
".TRE");
os.
writeString(mn +
".RGN");
os.
writeString(mn +
".LBL");
if (n
> 3) os.
writeString(mn +
".NET");
if (n
> 4) os.
writeString(mn +
".NOD");
} else {
os.
write(1);
}
}
public String getInnername
() {
return innername
;
}
public void setInnername
(String innername
) {
this.
innername = innername
;
}
public void setRgnDataSize
(int rgnDataSize
) {
this.
rgnDataSize = rgnDataSize
;
}
public void setTreDataSize
(int treDataSize
) {
this.
treDataSize = treDataSize
;
}
public void setLblDataSize
(int lblDataSize
) {
this.
lblDataSize = lblDataSize
;
}
public void setNetDataSize
(int netDataSize
) {
this.
netDataSize = netDataSize
;
}
public void setNodDataSize
(int nodDataSize
) {
this.
nodDataSize = nodDataSize
;
}
public String toString
() {
return super.
toString()
+
", rgn size="
+ rgnDataSize
+
", tre size="
+ treDataSize
+
", lbl size"
+ lblDataSize
;
}
}