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BuildoutFile.java
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BuildoutFile.java
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package swg;
import com.sun.deploy.util.ArrayUtil;
import java.io.*;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.*;
import java.util.stream.IntStream;
public class BuildoutFile {
private List<String> columnNames;
private List<String> columnTypes;
private List<BuildoutNode> nodes = new ArrayList<>();;
private String fileName;
public String getFileName() {
return fileName;
}
public void setFileName(String name) {
this.fileName = name;
}
public List<BuildoutNode> getNodes() {
if(nodes == null){
nodes = new ArrayList<>();
}
return nodes;
}
public void readFile(File file) {
try{
parseFile(file);
}
catch(Exception e){
e.printStackTrace();
}
}
private void parseFile(File file) throws IOException {
try{
if(file.getName().endsWith(".iff")){
FileInputStream fis = null;
BufferedInputStream bi = null;
try {
byte[] formSize = new byte[4];
byte[] dtiiFormSize = new byte[4];
byte[] colsSize = new byte[4];
byte[] typeSize = new byte[4];
byte[] rowsSize = new byte[4];
fis = new FileInputStream(file);
bi = new BufferedInputStream(fis);
bi.skip(4); // skip form tag
bi.read(formSize); // length of form
bi.skip(8); // skip dtii tag
bi.read(dtiiFormSize); // length of dtiiform
bi.skip(8); // skip cols tag
bi.read(colsSize); // length of column names
int buffLength = ByteBuffer.wrap(colsSize).getInt();
byte[] colsbuffer = new byte[buffLength];
bi.read(colsbuffer);
parseColumnNames(colsbuffer);
bi.skip(4); // skip type tag
bi.read(typeSize);
buffLength = ByteBuffer.wrap(typeSize).getInt();
byte[] typesBuffer = new byte[buffLength];
bi.read(typesBuffer);
parseColumnTypes(typesBuffer);
bi.skip(4); // skip rows tag
bi.read(rowsSize);
buffLength = ByteBuffer.wrap(rowsSize).getInt();
byte[] rowsBuffer = new byte[buffLength];
bi.read(rowsBuffer);
parseRows(rowsBuffer);
}
catch (Exception e) {
e.printStackTrace();
}
}
else if(file.getName().endsWith(".tab")) {
BufferedReader rdr = new BufferedReader(new FileReader(file));
BuildoutNode node = new BuildoutNode();
// grab column names
String line = rdr.readLine();
columnNames = new ArrayList<>(Arrays.asList(line.split("\t")));
// grab column types
line = rdr.readLine();
columnTypes = new ArrayList<>(Arrays.asList(line.split("\t")));
line = rdr.readLine();
while (line != null) {
nodes.add(parseRow(line));
line = rdr.readLine();
}
}
}
catch (Exception e) {
System.err.println("EXCEPTION: " + e.getMessage());
e.printStackTrace();
}
}
private void parseNodes(byte[] data) throws IOException {
}
private void parseColumnNames(byte[] columnNameBuffer) {
byte[] cNameBuffer = Arrays.copyOfRange(columnNameBuffer, 4, columnNameBuffer.length);
columnNames = new ArrayList<>();
// The names are null delimited so use that to split them.
String[] names = new String(cNameBuffer).split("\0");
for(String name : names){
columnNames.add(name);
}
}
private void parseColumnTypes(byte[] columnTypesBuffer) {
columnTypes = new ArrayList<>();
// The names are null delimited so use that to split them.
String[] types = new String(columnTypesBuffer).split("\0");
for(String type : types){
columnTypes.add(type);
}
}
private void parseRows(byte[] rowsBuffer) {
int rowSize = columnNames.size() * 4;
// get the number of rows (stored in first four bytes)
int iterations = ByteBuffer.wrap(Arrays.copyOfRange(rowsBuffer, 0,4)).order(ByteOrder.LITTLE_ENDIAN).getInt();
for(int i = 0; i < iterations; i++){
nodes.add(parseRow(Arrays.copyOfRange(rowsBuffer, i * rowSize + 4, (i + 1) * rowSize + 4)));
}
}
private BuildoutNode parseRow(byte[] rowBuffer) {
BuildoutNode node = new BuildoutNode();
for(int i = 0; i < columnNames.size(); i++){
String colName = columnNames.get(i);
String colType = columnTypes.get(i);
Object value = null;
switch (colType){
case "i": // int
value = ByteBuffer.wrap(Arrays.copyOfRange(rowBuffer, i*4,(i*4)+4)).order(ByteOrder.LITTLE_ENDIAN).getInt();
break;
case "f": // float
value = ByteBuffer.wrap(Arrays.copyOfRange(rowBuffer, i*4,(i*4)+4)).order(ByteOrder.LITTLE_ENDIAN).getFloat();
break;
case "h": // hex
byte[] values = Arrays.copyOfRange(rowBuffer, i * 4, (i * 4) + 4);
Object[] reversed = IntStream.rangeClosed(1, values.length)
.mapToObj(j -> values[values.length - j])
.toArray();
value = bytesToHexString(reversed);
break;
}
node.addValue(colName, value);
}
return node;
}
private BuildoutNode parseRow(String rowData){
BuildoutNode node = new BuildoutNode();
List<String> values = new ArrayList(Arrays.asList(rowData.split("\t", -1)));
while(values.size() < columnNames.size()){
values.add("");
}
for(int i = 0; i < columnNames.size(); i++){
node.addValue(columnNames.get(i), values.get(i));
}
return node;
}
private String bytesToHexString(Object[] bytes){
StringBuilder sb = new StringBuilder();
for (Object b : bytes){
sb.append(String.format("%02x", (byte)b&0xff));
}
return sb.toString();
}
public void updateTemplateNames(Map<String, String> templates) {
for (BuildoutNode node : nodes){
String templateHex = (String) node.getValue("shared_template_crc");
node.setTemplateName(templates.get("0x" + templateHex));
}
}
}