/**
* Save color result which is computed by AGG grammar.
*
* @param gra
* @param outFileName must end with ".aggcol"
*/
public void saveAGGColor(GraGra gra, String outFileName) {
if (outputFileName.endsWith(".aggcol")) {
final List<Node> edges = new Vector<Node>();
final List<Node> nodes = new Vector<Node>();
nodes.addAll(gragra.getGraph(this.indx).getNodesSet());
for (int i = 0; i < nodes.size(); i++) {
final Node n = nodes.get(i);
if (n.getType().getName().equals("Node")) {
} else if (n.getType().getName().equals("Edge")) {
edges.add(n);
nodes.remove(i);
i--;
} else {
nodes.remove(i);
i--;
}
}
final File f = new File(outputFileName);
ByteArrayOutputStream baOut = null;
FileOutputStream fos = null;
try {
fos = new FileOutputStream(f);
// write comment
baOut = new ByteArrayOutputStream();
String comment = "c AGG Color\n";
// put in out stream and file
baOut.write(comment.getBytes());
fos.write(baOut.toByteArray());
baOut.flush();
// write problem
baOut = new ByteArrayOutputStream();
String problem = "p edge ";
problem = problem.concat(String.valueOf(nodes.size()));
problem = problem.concat(" ");
problem = problem.concat(String.valueOf(edges.size()));
problem = problem.concat("\n");
// put in out stream and file
baOut.write(problem.getBytes());
fos.write(baOut.toByteArray());
baOut.flush();
for (int i = 0; i < nodes.size(); i++) {
final Node n = nodes.get(i);
ValueTuple val = (ValueTuple) n.getAttribute();
String color = ((ValueMember) val.getMemberAt("color")).getExprAsText();
color = color.concat(" ");
// write color
baOut = new ByteArrayOutputStream();
baOut.write(color.getBytes());
fos.write(baOut.toByteArray());
baOut.flush();
}
} catch (IOException e) {
}
}
}
/**
* Import a ColorGraph which is specified by String colorFileName into the by index specified
* Graph of the specified GraGra.
*
* @param gra
* @param graph
* @param colorFileName is the full file name and must end with ".res"
*/
private boolean importColorGraph2AGG(final GraGra gra, final Graph graph) {
if (this.colorFileName.endsWith(".res")) {
// final List<Node> edges = new Vector<Node>();
final List<Node> nodes = new Vector<Node>();
nodes.addAll(graph.getNodesSet());
for (int i = 0; i < nodes.size(); i++) {
final Node n = nodes.get(i);
if (n.getType().getName().equals("Node")) {
} else if (n.getType().getName().equals("Edge")) {
// edges.add(n);
nodes.remove(i);
i--;
} else {
nodes.remove(i);
i--;
}
}
final File f = new File(this.colorFileName);
FileInputStream fos = null;
byte b[] = new byte[1024];
int count = 0;
try {
fos = new FileInputStream(f);
while (count != -1) {
count = fos.read(b);
if (count != -1) {
String s = new String(b);
int lineEnd = s.indexOf("\n");
while (lineEnd != -1) {
String str = s.substring(0, lineEnd);
s = s.substring(lineEnd + 1, s.length() - 1);
lineEnd = s.indexOf("\n");
if (lineEnd == -1) {
while (str.charAt(0) == ' ') {
str = str.substring(1, str.length());
}
String[] str_e = str.split(" ");
for (int i = 0; i < str_e.length; i++) {
String color = str_e[i].trim();
Node node = nodes.get(i);
if (node.getAttribute() != null) {
ValueTuple val = (ValueTuple) node.getAttribute();
ValueMember mem = val.getValueMemberAt("color");
if (mem == null) mem = val.getValueMemberAt("Color");
if (mem != null) mem.setExprAsText(color);
}
}
}
}
}
}
return true;
} catch (IOException e) {
}
}
return false;
}
/**
* Search the host graph of the grammar for subgraph with Node<--Edge-->Node structure, where each
* edge starts at node Edge and ends at node Node. Save this subgraph in GraphColor format.
*
* @param gra
* @param outFileName must end with ".col"
*/
public void saveAGGNodeEdge2ColorGraph(GraGra gra, String outFileName) {
if (outputFileName.endsWith(".col")) {
final List<Node> edges = new Vector<Node>();
final List<Node> nodes = new Vector<Node>();
nodes.addAll(gragra.getGraph(this.indx).getNodesSet());
for (int i = 0; i < nodes.size(); i++) {
final Node n = nodes.get(i);
if (n.getType().getName().equals("Node")) {
} else if (n.getType().getName().equals("Edge")) {
edges.add(n);
nodes.remove(i);
i--;
} else {
nodes.remove(i);
i--;
}
}
final File f = new File(outputFileName);
ByteArrayOutputStream baOut = null;
FileOutputStream fos = null;
try {
fos = new FileOutputStream(f);
// write comment
baOut = new ByteArrayOutputStream();
String comment = "c AGG to Color Graph (.col)\n";
// put in out stream and file
baOut.write(comment.getBytes());
fos.write(baOut.toByteArray());
baOut.flush();
// write problem
baOut = new ByteArrayOutputStream();
String problem = "p edge ";
problem = problem.concat(String.valueOf(nodes.size()));
problem = problem.concat(" ");
problem = problem.concat(String.valueOf(edges.size()));
problem = problem.concat("\n");
// put in out stream and file
baOut.write(problem.getBytes());
fos.write(baOut.toByteArray());
baOut.flush();
for (int i = 0; i < edges.size(); i++) {
final Node en = edges.get(i);
Iterator<Arc> outs = en.getOutgoingArcs();
if (outs.hasNext()) {
final Arc a = outs.next();
int index = nodes.indexOf(a.getTarget()) + 1;
while (outs.hasNext()) {
final Arc aj = outs.next();
int indxj = nodes.indexOf(aj.getTarget()) + 1;
String str = "e ";
str = str.concat(String.valueOf(index)).concat(" ");
str = str.concat(String.valueOf(indxj).concat("\n"));
// write edge line
baOut = new ByteArrayOutputStream();
baOut.write(str.getBytes());
fos.write(baOut.toByteArray());
baOut.flush();
}
}
}
} catch (IOException e) {
}
}
}