+++ /dev/null
-package org.cacert.gigi.output.template;
-
-import java.io.PrintWriter;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import org.cacert.gigi.localisation.Language;
-import org.cacert.gigi.util.HTMLEncoder;
-
-/**
- * A pattern that is to be translated before variables are inserted.
- */
-public final class SprintfCommand implements Translatable {
-
- private final String text;
-
- private final String[] store;
-
- /**
- * Creates a new SprintfCommand based on its pre-parsed contents.
- *
- * @param text
- * a string with <code>{0},{1},..</code> as placeholders.
- * @param store
- * the data to put into the placeholders: ${var}, $!{var},
- * !'plain'.
- */
- public SprintfCommand(String text, List<String> store) {
- this.text = text;
- this.store = store.toArray(new String[store.size()]);
- }
-
- private static final String VARIABLE = "\\$!?\\{[a-zA-Z0-9_-]+\\}";
-
- private static final Pattern processingInstruction = Pattern.compile("(" + VARIABLE + ")|(!'[^{}'\\$]*)'");
-
- /**
- * Creates a new SprintfCommand that is parsed as from template source.
- *
- * @param content
- * the part from the template that is to be parsed.
- */
- protected SprintfCommand(String content) {
- StringBuffer raw = new StringBuffer();
- List<String> var = new LinkedList<String>();
- int counter = 0;
- Matcher m = processingInstruction.matcher(content);
- int last = 0;
- while (m.find()) {
- raw.append(content.substring(last, m.start()));
- String group = null;
- if ((group = m.group(1)) != null) {
- var.add(group);
- } else if ((group = m.group(2)) != null) {
- var.add(group);
- } else {
- throw new Error("Regex is broken??");
- }
- last = m.end();
- raw.append("{" + (counter++) + "}");
- }
- raw.append(content.substring(last));
- text = raw.toString();
- store = var.toArray(new String[var.size()]);
- }
-
- private static final Pattern replacant = Pattern.compile("\\{([0-9]+)\\}");
-
- @Override
- public void output(PrintWriter out, Language l, Map<String, Object> vars) {
- String parts = l.getTranslation(text);
- Matcher m = replacant.matcher(parts);
- int pos = 0;
- while (m.find()) {
- out.print(escape(vars, parts.substring(pos, m.start())));
- String var = store[Integer.parseInt(m.group(1))];
- if (var.startsWith("$!")) {
- Template.outputVar(out, l, vars, var.substring(3, var.length() - 1), true);
- } else if (var.startsWith("!'")) {
- out.print(var.substring(2));
- } else if (var.startsWith("$")) {
- Template.outputVar(out, l, vars, var.substring(2, var.length() - 1), false);
- } else {
- throw new Error("Processing error in template.");
- }
- pos = m.end();
-
- }
- out.print(escape(vars, parts.substring(pos)));
- }
-
- private String escape(Map<String, Object> vars, String target) {
- if (vars.containsKey(OUT_KEY_PLAIN)) {
- return target;
- }
- return HTMLEncoder.encodeHTML(target);
- }
-
- @Override
- public void addTranslations(Collection<String> s) {
- s.add(text);
- }
-
- /**
- * Creates a simple {@link SprintfCommand} wrapped in a {@link Scope} to fit
- * in now constant variables into this template.
- *
- * @param msg
- * the message (to be translated) with <code>{0},{1},...</code>
- * as placeholders.
- * @param vars
- * the variables to put into the placeholders.
- * @return the constructed {@link Outputable}.
- */
- public static Outputable createSimple(String msg, Object... vars) {
- HashMap<String, Object> scope = new HashMap<>();
- String[] store = new String[vars.length];
- for (int i = 0; i < vars.length; i++) {
- scope.put("autoVar" + i, vars[i]);
- store[i] = "${autoVar" + i + "}";
- }
- return new Scope(new SprintfCommand(msg, Arrays.asList(store)), scope);
- }
-}