1 package org.cacert.gigi.output;
3 import java.io.EOFException;
4 import java.io.IOException;
5 import java.io.PrintWriter;
7 import java.util.LinkedList;
10 import org.cacert.gigi.Language;
12 public class Template implements Outputable {
16 public Template(Reader r) {
18 LinkedList<String> splitted = new LinkedList<String>();
19 LinkedList<Outputable> commands = new LinkedList<Outputable>();
20 StringBuffer buf = new StringBuffer();
23 while (!endsWith(buf, "<?")) {
27 buf.append((char) ch);
30 buf.delete(buf.length() - 2, buf.length());
31 splitted.add(buf.toString());
32 buf.delete(0, buf.length());
33 while (!endsWith(buf, "?>")) {
34 buf.append((char) ch);
37 throw new EOFException();
40 buf.delete(buf.length() - 2, buf.length());
41 commands.add(parseCommand(buf.toString()));
42 buf.delete(0, buf.length());
44 splitted.add(buf.toString());
45 contents = splitted.toArray(new String[splitted.size()]);
46 vars = commands.toArray(new Outputable[commands.size()]);
48 } catch (IOException e) {
53 private boolean endsWith(StringBuffer buf, String string) {
54 return buf.length() >= string.length()
55 && buf.substring(buf.length() - string.length(), buf.length()).equals(string);
58 private Outputable parseCommand(String s2) {
59 s2 = s2.replace("\n", "");
60 if (s2.startsWith("=_")) {
61 final String raw = s2.substring(2);
62 return new Outputable() {
65 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
66 out.print(l.getTranslation(raw));
69 } else if (s2.startsWith("=$")) {
70 final String raw = s2.substring(2);
71 return new Outputable() {
74 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
75 outputVar(out, l, vars, raw);
78 } else if (s2.startsWith("=s,")) {
79 String command = s2.substring(3);
80 final LinkedList<String> store = new LinkedList<String>();
81 while (command.startsWith("$")) {
82 int idx = command.indexOf(",");
83 store.add(command.substring(0, idx));
84 command = command.substring(idx + 1);
86 final String text = command;
87 return new Outputable() {
90 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
91 String[] parts = l.getTranslation(text).split("%s");
92 String[] myvars = store.toArray(new String[store.size()]);
94 for (int j = 1; j < parts.length; j++) {
95 outputVar(out, l, vars, myvars[j - 1].substring(1));
101 System.out.println("Unknown processing instruction: " + s2);
106 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
107 for (int i = 0; i < contents.length; i++) {
108 out.print(contents[i]);
109 if (i < this.vars.length) {
110 this.vars[i].output(out, l, vars);
115 private void outputVar(PrintWriter out, Language l, Map<String, Object> vars, String varname) {
116 Object s = vars.get(varname);
119 System.out.println("Empty variable: " + varname);
121 if (s instanceof Outputable) {
122 ((Outputable) s).output(out, l, vars);