@Override
public void render(PetriNet pn, Writer writer) throws RenderException, IOException {
verifyNet(pn);
STGroup group = new STGroupFile("uniol/apt/io/renderer/impl/BagginsPN.stg", '$', '$');
ST pnTemplate = group.getInstanceOf("pn");
pnTemplate.add("name", pn.getName());
// Handle places
pnTemplate.add("places", pn.getPlaces());
List<Place> placeList = new ArrayList<>(pn.getPlaces());
// Handle transitions (and arcs)
for (Transition t : pn.getTransitions()) {
List<IdWeightPair> preset = new ArrayList<>();
List<IdWeightPair> postset = new ArrayList<>();
for (Flow e : t.getPresetEdges()) {
preset.add(new IdWeightPair(placeList.indexOf(e.getSource()), -e.getWeight()));
}
for (Flow e : t.getPostsetEdges()) {
postset.add(new IdWeightPair(placeList.indexOf(e.getTarget()), e.getWeight()));
}
pnTemplate.addAggr("transitions.{transition, preset, postset}", t, preset, postset);
}
pnTemplate.write(new AutoIndentWriter(writer), new ThrowingErrorListener());
}
// output dir is a function of where the original file/module was located.
@Override
protected void write(
@NotNull ModuleIdentifier moduleIdentifier,
@NotNull ST code,
@NotNull String outputFileName) {
try {
Writer w =
compiler.getOutputFileWriter(
moduleIdentifier,
outputFileName,
new Function<String, File>() {
@Override
public File apply(String s) {
Path p = moduleIdentifier.getPathRelativeToRootDir();
String outputDir = compiler.outputDirectory;
if (compiler.outputDirectory.equals(".")) outputDir = "out";
return new File(outputDir, p.getParent().toString());
}
});
STWriter wr = new AutoIndentWriter(w);
wr.setLineWidth(80);
code.write(wr);
w.close();
} catch (IOException ioe) {
compiler.errMgr.toolError(ErrorKind.CANNOT_WRITE_FILE, ioe, outputFileName);
}
}
@Test
public void testNewlineNormalizationInTemplateStringPC() throws Exception {
ST st = new ST("Foo\r\n" + "Bar\n");
StringWriter sw = new StringWriter();
st.write(new AutoIndentWriter(sw, "\r\n")); // force \r\n as newline
String result = sw.toString();
String expecting = "Foo\r\nBar\r\n"; // expect \r\n in output
assertEquals(expecting, result);
}
@Test
public void testLineBreakNoWhiteSpace() throws Exception {
ST st = new ST("Foo <\\\\>" + newline + "bar\n");
StringWriter sw = new StringWriter();
st.write(new AutoIndentWriter(sw, "\n")); // force \n as newline
String result = sw.toString();
String expecting = "Foo bar\n";
assertEquals(expecting, result);
}
@Test
public void testNewlineNormalizationInAttribute() throws Exception {
ST st = new ST("Foo\r\n" + "<name>\n");
st.add("name", "a\nb\r\nc");
StringWriter sw = new StringWriter();
st.write(new AutoIndentWriter(sw, "\n")); // force \n as newline
String result = sw.toString();
String expecting = "Foo\na\nb\nc\n"; // expect \n in output
assertEquals(expecting, result);
}
/**
* Render the fully-initialized template into the given Writer. The line width will be set to
* {@value #LINE_WIDTH}. The Writer will be closed by this method.
*/
protected void renderTemplate(ST template, Writer out) throws IOException {
AutoIndentWriter writer = new AutoIndentWriter(out);
writer.setLineWidth(LINE_WIDTH);
template.write(writer);
out.close();
}