1 package org.cacert.gigi.output;
3 import java.io.EOFException;
5 import java.io.FileInputStream;
6 import java.io.IOException;
7 import java.io.InputStreamReader;
8 import java.io.PrintWriter;
10 import java.net.URISyntaxException;
12 import java.util.LinkedList;
15 import org.cacert.gigi.DevelLauncher;
16 import org.cacert.gigi.Language;
18 public class Template implements Outputable {
25 public Template(URL u) {
27 Reader r = new InputStreamReader(u.openStream(), "UTF-8");
29 if (u.getProtocol().equals("file") && DevelLauncher.DEVEL) {
30 source = new File(u.toURI());
31 lastLoaded = source.lastModified() + 1000;
33 } catch (URISyntaxException e) {
37 } catch (IOException e) {
42 public Template(Reader r) {
45 } catch (IOException e) {
50 private void parse(Reader r) throws IOException {
51 LinkedList<String> splitted = new LinkedList<String>();
52 LinkedList<Outputable> commands = new LinkedList<Outputable>();
53 StringBuffer buf = new StringBuffer();
56 while (!endsWith(buf, "<?")) {
60 buf.append((char) ch);
63 buf.delete(buf.length() - 2, buf.length());
64 splitted.add(buf.toString());
65 buf.delete(0, buf.length());
66 while (!endsWith(buf, "?>")) {
67 buf.append((char) ch);
70 throw new EOFException();
73 buf.delete(buf.length() - 2, buf.length());
74 commands.add(parseCommand(buf.toString()));
75 buf.delete(0, buf.length());
77 splitted.add(buf.toString());
78 contents = splitted.toArray(new String[splitted.size()]);
79 vars = commands.toArray(new Outputable[commands.size()]);
83 private boolean endsWith(StringBuffer buf, String string) {
84 return buf.length() >= string.length()
85 && buf.substring(buf.length() - string.length(), buf.length()).equals(string);
88 private Outputable parseCommand(String s2) {
89 s2 = s2.replace("\n", "");
90 if (s2.startsWith("=_")) {
91 final String raw = s2.substring(2);
92 return new Outputable() {
95 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
96 out.print(l.getTranslation(raw));
99 } else if (s2.startsWith("=$")) {
100 final String raw = s2.substring(2);
101 return new Outputable() {
104 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
105 outputVar(out, l, vars, raw);
108 } else if (s2.startsWith("=s,")) {
109 String command = s2.substring(3);
110 final LinkedList<String> store = new LinkedList<String>();
111 while (command.startsWith("$")) {
112 int idx = command.indexOf(",");
113 store.add(command.substring(0, idx));
114 command = command.substring(idx + 1);
116 final String text = command;
117 return new Outputable() {
120 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
121 String[] parts = l.getTranslation(text).split("%s");
122 String[] myvars = store.toArray(new String[store.size()]);
124 for (int j = 1; j < parts.length; j++) {
125 outputVar(out, l, vars, myvars[j - 1].substring(1));
131 System.out.println("Unknown processing instruction: " + s2);
136 public void output(PrintWriter out, Language l, Map<String, Object> vars) {
137 if (source != null && DevelLauncher.DEVEL) {
138 if (lastLoaded < source.lastModified()) {
140 System.out.println("Reloading template.... " + source);
141 parse(new InputStreamReader(new FileInputStream(source), "UTF-8"));
142 lastLoaded = source.lastModified() + 1000;
143 } catch (IOException e) {
148 for (int i = 0; i < contents.length; i++) {
149 out.print(contents[i]);
150 if (i < this.vars.length) {
151 this.vars[i].output(out, l, vars);
156 private void outputVar(PrintWriter out, Language l, Map<String, Object> vars, String varname) {
157 Object s = vars.get(varname);
160 System.out.println("Empty variable: " + varname);
162 if (s instanceof Outputable) {
163 ((Outputable) s).output(out, l, vars);