NewPipe-app-android/CheckTranslations.java

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Java
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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 int changes = 0;
private static Pattern p, pb, pe, e, o;
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/**
* 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>|\"/>)");
pb = Pattern.compile("(<plurals[\\sa-zA-Z=\"]*>)");
pe = Pattern.compile("(</plurals>)");
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e = Pattern.compile("(<string[\\sa-z_\\\"=]*)((><\\/string>|\\/>){1})");
o = Pattern.compile("(<item quantity=\"other\">)[^</>]*(<\\/item>)");
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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 and " + changes + " lines fixed.");
}
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}
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;
boolean otherDetected = false;
boolean inPlurals = false;
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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();
int pluralsLine = 0;
for (int i = 0; i < lines.size(); i++) {
if (o.matcher(lines.get(i)).find()) {
otherDetected = true;
}
if (plurals && pb.matcher(lines.get(i)).find()) {
inPlurals = true;
pluralsLine = i;
} else if (plurals && pe.matcher(lines.get(i)).find()) {
inPlurals = false;
if (!otherDetected) {
boolean b = false;
check: for(int j = pluralsLine; j < i; j++) {
if (lines.get(j).contains("many")) {
b = true;
pluralsLine = j;
break check;
}
}
if (remove && b) {
if (debug) System.out.println(" Line " + (pluralsLine + 1) + " was " + ((remove) ? "changed" : "detected") + ": '" + lines.get(pluralsLine) + "'");
lines.set(pluralsLine, lines.get(pluralsLine).replace("many", "other"));
changes++;
checkFailed = true;
} else if (debug) {
if (debug) System.out.println(" WARNING: Line " + (i + 1) + " - No <item quantity=\"other\"> found!");
}
}
otherDetected = false;
}
}
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if (remove && checkFailed) {
Files.write(f.toPath(), lines, Charset.forName("UTF-8"));
}
} catch (IOException e) {
System.out.println(e);
}
}
}