/
DriverGenerator.java
125 lines (109 loc) · 3.43 KB
/
DriverGenerator.java
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package jycessing.build;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import processing.core.PApplet;
@SuppressWarnings("serial")
public class DriverGenerator {
final String BAD_METHOD = "^(init|handleDraw|draw|parse[A-Z].*)$";
private static final Set<String> BAD_FIELDS = new HashSet<String>(Arrays.asList(
"screen", "args", "recorder", "frame", "g", "selectedFile", "keyEvent",
"mouseEvent", "sketchPath", "screenWidth", "screenHeight", "defaultSize",
"firstMouse", "finished", "requestImageMax"));
private static final Set<String> ALL_APPLET_METHODS = Collections
.unmodifiableSet(new HashSet<String>() {
{
for (final Method m : PApplet.class.getDeclaredMethods()) {
if (!Modifier.isPublic(m.getModifiers())) {
continue;
}
add(m.getName());
}
}
});
final Map<String, Binding> bindings = new HashMap<String, Binding>();
public DriverGenerator() {
for (final Method m : PApplet.class.getDeclaredMethods()) {
maybeAdd(m);
}
for (final Field f : PApplet.class.getDeclaredFields()) {
maybeAdd(f);
}
}
private Binding findOrCreateBinding(final String name) {
if (!bindings.containsKey(name)) {
bindings.put(name, new Binding("interp", name));
}
return bindings.get(name);
}
private void maybeAdd(final Method m) {
final String name = m.getName();
final int mods = m.getModifiers();
if (!Modifier.isPublic(mods) || !PolymorphicMethod.shouldAdd(m)
|| name.matches(BAD_METHOD) || !ALL_APPLET_METHODS.contains(name)) {
return;
}
findOrCreateBinding(name).add(m);
}
private void maybeAdd(final Field f) {
final String name = f.getName();
final int mods = f.getModifiers();
if (!Modifier.isPublic(mods) || Modifier.isStatic(mods) || BAD_FIELDS.contains(name)) {
return;
}
findOrCreateBinding(name).setField(f);
}
public String getMethodBindings() {
final StringBuilder sb = new StringBuilder();
for (final Binding b : bindings.values()) {
if (!b.hasGlobal()) {
sb.append(b.toString());
}
}
return sb.toString();
}
public String getFieldBindings() {
final StringBuilder sb = new StringBuilder();
for (final Binding b : bindings.values()) {
if (b.hasGlobal()) {
sb.append(b.toString());
}
}
return sb.toString();
}
public static String getText(final Reader r) throws IOException {
final BufferedReader reader = new BufferedReader(r);
final StringBuilder sb = new StringBuilder();
String line;
try {
while ((line = reader.readLine()) != null) {
sb.append(line).append("\n");
}
return sb.toString();
} finally {
reader.close();
}
}
public static void main(final String[] args) throws Exception {
final DriverGenerator gen = new DriverGenerator();
final String template = getText(new FileReader("template/DriverImpl.java"));
final String withMethodBindings = template.replace("%METHOD_BINDINGS%", gen
.getMethodBindings());
final String withFieldBindings = withMethodBindings.replace("%FIELD_BINDINGS%", gen
.getFieldBindings());
final FileWriter out = new FileWriter("generated/jycessing/DriverImpl.java");
out.write(withFieldBindings);
out.close();
}
}