bb2be852aa
6948903: Make Unicode scripts available for use in regular expressions Added Unicode script suport Reviewed-by: martin
106 lines
4.1 KiB
Java
106 lines
4.1 KiB
Java
/**
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* @test
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* @bug 6945564
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* @summary Check that the j.l.Character.UnicodeScript
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* @ignore don't run until #6903266 is integrated
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*/
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import java.io.*;
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import java.lang.reflect.*;
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import java.util.*;
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import java.util.regex.*;
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import java.lang.Character.UnicodeScript;
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public class CheckScript {
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public static void main(String[] args) throws Exception {
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if (args.length != 1) {
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System.out.println("java CharacterScript script.txt");
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System.exit(1);
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}
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BufferedReader sbfr = new BufferedReader(new FileReader(args[0]));
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Matcher m = Pattern.compile("(\\p{XDigit}+)(?:\\.{2}(\\p{XDigit}+))?\\s+;\\s+(\\w+)\\s+#.*").matcher("");
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String line = null;
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HashMap<String,ArrayList<Integer>> scripts = new HashMap<>();
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while ((line = sbfr.readLine()) != null) {
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if (line.length() <= 1 || line.charAt(0) == '#') {
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continue;
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}
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m.reset(line);
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if (m.matches()) {
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int start = Integer.parseInt(m.group(1), 16);
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int end = (m.group(2)==null)?start
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:Integer.parseInt(m.group(2), 16);
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String name = m.group(3).toLowerCase(Locale.ENGLISH);
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ArrayList<Integer> ranges = scripts.get(name);
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if (ranges == null) {
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ranges = new ArrayList<Integer>();
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scripts.put(name, ranges);
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}
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ranges.add(start);
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ranges.add(end);
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}
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}
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sbfr.close();
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// check all defined ranges
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Integer[] ZEROSIZEARRAY = new Integer[0];
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for (String name : scripts.keySet()) {
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System.out.println("Checking " + name + "...");
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Integer[] ranges = scripts.get(name).toArray(ZEROSIZEARRAY);
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Character.UnicodeScript expected =
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Character.UnicodeScript.forName(name);
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int off = 0;
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while (off < ranges.length) {
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int start = ranges[off++];
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int end = ranges[off++];
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for (int cp = start; cp <= end; cp++) {
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Character.UnicodeScript script =
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Character.UnicodeScript.of(cp);
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if (script != expected) {
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throw new RuntimeException(
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"UnicodeScript failed: cp=" +
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Integer.toHexString(cp) +
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", of(cp)=<" + script + "> but <" +
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expected + "> is expected");
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}
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}
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}
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}
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// check all codepoints
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for (int cp = 0; cp < Character.MAX_CODE_POINT; cp++) {
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Character.UnicodeScript script = Character.UnicodeScript.of(cp);
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if (script == Character.UnicodeScript.UNKNOWN) {
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if (Character.getType(cp) != Character.UNASSIGNED &&
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Character.getType(cp) != Character.SURROGATE &&
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Character.getType(cp) != Character.PRIVATE_USE)
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throw new RuntimeException(
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"UnicodeScript failed: cp=" +
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Integer.toHexString(cp) +
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", of(cp)=<" + script + "> but UNKNOWN is expected");
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} else {
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Integer[] ranges =
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scripts.get(script.name().toLowerCase(Locale.ENGLISH))
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.toArray(ZEROSIZEARRAY);
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int off = 0;
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boolean found = false;
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while (off < ranges.length) {
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int start = ranges[off++];
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int end = ranges[off++];
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if (cp >= start && cp <= end)
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found = true;
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}
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if (!found) {
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throw new RuntimeException(
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"UnicodeScript failed: cp=" +
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Integer.toHexString(cp) +
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", of(cp)=<" + script +
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"> but NOT in ranges of this script");
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}
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}
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}
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}
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}
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