hopefully fix plurals

CheckTranslations.java

@@ -0,0 +1,131 @@
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.regex.*;
+import java.util.Arrays;
+import java.util.List;
+import java.util.ArrayList;
+import java.nio.file.Files;
+import java.nio.charset.Charset;
+
+public final class CheckTranslations {
+
+    private static boolean debug = false;
+    private static boolean plurals = false;
+    private static boolean empty = false;
+    private static boolean remove = false;
+    private static int checks = 0;
+    private static int matches = 0;
+    private static Pattern p, e;
+
+    /**
+     * Search translated strings.xml files for empty item / plural tags
+     * and remove them.
+     * @param args directories which contain string.xml files (in any subdirectory)
+     *             -e option to find all empty string tags
+     *             -p option to find all empty plurals and item tags
+     *             -r option to remove all occurrences from the files
+     *             -d option to see more details
+     */
+    public static void main(String[] args) {
+        if (args.length < 1 || (args[0].equals("-d") && args.length < 2)) {  
+            System.out.println("Not enough arguments");
+            return;
+        }
+        for (int i = 0; i < args.length; i++) {
+            switch (args[i]) {
+                case "-d":
+                    debug = true;
+                    break;
+                case "-p":
+                    plurals = true;
+                    break;
+                case "-e":
+                    empty = true;
+                    break;
+                case "-r":
+                    remove = true;
+                    break;
+            }
+        }
+        
+        if (!plurals && !empty) {
+            plurals = true;
+            empty = true;
+        }
+
+        p = Pattern.compile("(<item quantity=\")(zero|one|two|three|few|many|other)(\"></item>|\"/>)");
+        e = Pattern.compile("(<string[\\sa-z_\\\"=]*)((><\\/string>|\\/>){1})");
+
+        for (int i = 0; i < args.length; i++) {
+            if (!args[i].equals("-d") && !args[i].equals("-p") && !args[i].equals("-e") && !args[i].equals("-r")) {
+                File f = new File(args[i]);
+                if (f.exists() && !f.isDirectory()) {
+                    checkFile(f);
+                } else if (f.isDirectory()) {
+                    checkFiles(f.listFiles());
+                } else {
+                    System.out.println("'" + args[i] + "' does not exist!");
+                }
+            }
+        }
+
+        System.out.println(checks + " files were checked.");
+        System.out.println(matches + " corrupt lines detected.");
+        if (remove) System.out.println(matches + " corrupt lines removed.");
+    }
+
+
+    private static void checkFiles(File[] f) {
+        for (int i = 0; i < f.length; i++) {
+            if (f[i].exists() && !f[i].isDirectory()) {
+                if (f[i].toString().contains("strings.xml")) {
+                    checkFile(f[i]);
+                }
+            } else if (f[i].isDirectory()) {
+                checkFiles(f[i].listFiles());
+            }
+        }
+    }
+
+    private static void checkFile(File f) {
+        // Do not check our original English strings to cause no unwanted changes
+        // Btw. there should not be empty plural/item tags
+        if (f.toString().contains("values/strings.xml")) {
+            return;
+        }
+        if (debug) System.out.println("Checking " + f.toString());
+        checks++;
+
+
+        List<String> lines = new ArrayList<String>();
+        boolean checkFailed = false;
+
+        try (BufferedReader br = new BufferedReader(new FileReader(f))) {
+            String line;
+            int ln = 0;
+            while ((line = br.readLine()) != null) {
+                ln++;
+                if (plurals && p.matcher(line).find()) {
+                    matches++;
+                    if (debug) System.out.println("    Line " + ln + " was " + ((remove) ? "removed" : "detected") + ": '" + line + "'");
+                    checkFailed = true;
+                } else if (empty && e.matcher(line).find()) {
+                    matches++;
+                    checkFailed = true;
+                    if (debug) System.out.println("    Line " + ln + " was " + ((remove) ? "removed" : "detected") + ": '" + line + "'");
+                } else {
+                    if (remove) lines.add(line);
+                }
+            }
+            br.close();
+            if (remove && checkFailed) {
+                Files.write(f.toPath(), lines, Charset.forName("UTF-8"));
+            }
+        } catch (IOException e) {
+            System.out.println(e);
+        }
+    }
+}
+