package org.cacert.gigi.output;
+import java.io.EOFException;
+import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
import java.util.LinkedList;
import java.util.Map;
-import java.util.Scanner;
-import java.util.regex.Pattern;
import org.cacert.gigi.Language;
public class Template implements Outputable {
String[] contents;
+ Outputable[] vars;
public Template(Reader r) {
- LinkedList<String> splitted = new LinkedList<String>();
- Scanner sc = new Scanner(r);
- Pattern p1 = Pattern.compile("([^<]|<[^?])*<\\?");
- Pattern p2 = Pattern.compile("([^<]|<[^?])*\\?>");
- while (true) {
- String s1 = sc.findWithinHorizon(p1, 0);
- if (s1 == null) {
- break;
+ try {
+ LinkedList<String> splitted = new LinkedList<String>();
+ LinkedList<Outputable> commands = new LinkedList<Outputable>();
+ StringBuffer buf = new StringBuffer();
+ int ch = r.read();
+ outer : while (true) {
+ while (!endsWith(buf, "<?")) {
+ if (ch == -1) {
+ break outer;
+ }
+ buf.append((char) ch);
+ ch = r.read();
+ }
+ buf.delete(buf.length() - 2, buf.length());
+ splitted.add(buf.toString());
+ buf.delete(0, buf.length());
+ while (!endsWith(buf, "?>")) {
+ buf.append((char) ch);
+ ch = r.read();
+ if (ch == -1) {
+ throw new EOFException();
+ }
+ }
+ buf.delete(buf.length() - 2, buf.length());
+ commands.add(parseCommand(buf.toString()));
+ buf.delete(0, buf.length());
}
- s1 = s1.substring(0, s1.length() - 2);
- splitted.add(s1);
- String s2 = sc.findWithinHorizon(p2, 0);
- s2 = s2.substring(0, s2.length() - 2);
- splitted.add(s2);
+ splitted.add(buf.toString());
+ contents = splitted.toArray(new String[splitted.size()]);
+ vars = commands.toArray(new Outputable[commands.size()]);
+ r.close();
+ } catch (IOException e) {
+ throw new Error(e);
}
- sc.useDelimiter("\0");
- if (sc.hasNext()) {
- splitted.add(sc.next());
+ }
+ private boolean endsWith(StringBuffer buf, String string) {
+ return buf.length() >= string.length()
+ && buf.substring(buf.length() - string.length(), buf.length())
+ .equals(string);
+ }
+ private Outputable parseCommand(String s2) {
+ s2 = s2.replace("\n", "");
+ if (s2.startsWith("=_")) {
+ final String raw = s2.substring(2);
+ return new Outputable() {
+
+ @Override
+ public void output(PrintWriter out, Language l,
+ Map<String, Object> vars) {
+ out.print(l.getTranslation(raw));
+ }
+ };
+ } else if (s2.startsWith("=$")) {
+ final String raw = s2.substring(2);
+ return new Outputable() {
+
+ @Override
+ public void output(PrintWriter out, Language l,
+ Map<String, Object> vars) {
+ outputVar(out, l, vars, raw);
+ }
+ };
+ } else if (s2.startsWith("=s,")) {
+ String command = s2.substring(3);
+ final LinkedList<String> store = new LinkedList<String>();
+ while (command.startsWith("$")) {
+ int idx = command.indexOf(",");
+ store.add(command.substring(0, idx));
+ command = command.substring(idx + 1);
+ }
+ final String text = command;
+ return new Outputable() {
+
+ @Override
+ public void output(PrintWriter out, Language l,
+ Map<String, Object> vars) {
+ String[] parts = l.getTranslation(text).split("%s");
+ String[] myvars = store.toArray(new String[store.size()]);
+ out.print(parts[0]);
+ for (int j = 1; j < parts.length; j++) {
+ outputVar(out, l, vars, myvars[j - 1].substring(1));
+ out.print(parts[j]);
+ }
+ }
+ };
+ } else {
+ System.out.println("Unknown processing instruction: " + s2);
}
- sc.close();
- contents = splitted.toArray(new String[splitted.size()]);
+ return null;
}
public void output(PrintWriter out, Language l, Map<String, Object> vars) {
- LinkedList<String> store = new LinkedList<String>();
for (int i = 0; i < contents.length; i++) {
- if (i % 2 == 0) {
- out.print(contents[i]);
- } else if (contents[i].startsWith("=_")) {
- out.print(l.getTranslation(contents[i].substring(2)));
- } else if (contents[i].startsWith("=$")) {
- outputVar(out, l, vars, contents[i].substring(2));
- } else if (contents[i].startsWith("=s,")) {
- String command = contents[i].substring(3);
- store.clear();
- while (command.startsWith("$")) {
- int idx = command.indexOf(",");
- store.add(command.substring(0, idx));
- command = command.substring(idx + 1);
- }
- String[] parts = l.getTranslation(command).split("%s");
- String[] myvars = store.toArray(new String[store.size()]);
- out.print(parts[0]);
- for (int j = 1; j < parts.length; j++) {
- outputVar(out, l, vars, myvars[j - 1].substring(1));
- out.print(parts[j]);
- }
- } else {
- System.out.println("Unknown processing instruction: "
- + contents[i]);
+ out.print(contents[i]);
+ if (i < this.vars.length) {
+ this.vars[i].output(out, l, vars);
}
}
}