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regexodus.CharacterClass Maven / Gradle / Ivy
/**
* Copyright (c) 2001, Sergey A. Samokhodkin
* All rights reserved.
* namedClasses = new HashMap();
private static final ArrayList unicodeBlocks = new ArrayList();
private static final ArrayList posixClasses = new ArrayList();
private static final ArrayList unicodeCategories = new ArrayList();
//modes; used in parseGroup(()
private final static int ADD = 1;
private final static int SUBTRACT = 2;
private final static int INTERSECT = 3;
private static final String blockData =
"0000..007F:InBasicLatin;0080..00FF:InLatin-1Supplement;0100..017F:InLatinExtended-A;"
+ "0180..024F:InLatinExtended-B;0250..02AF:InIPAExtensions;02B0..02FF:InSpacingModifierLetters;"
+ "0300..036F:InCombiningDiacriticalMarks;0370..03FF:InGreek;0400..04FF:InCyrillic;0530..058F:InArmenian;"
+ "0590..05FF:InHebrew;0600..06FF:InArabic;0700..074F:InSyriac;0780..07BF:InThaana;0900..097F:InDevanagari;"
+ "0980..09FF:InBengali;0A00..0A7F:InGurmukhi;0A80..0AFF:InGujarati;0B00..0B7F:InOriya;0B80..0BFF:InTamil;"
+ "0C00..0C7F:InTelugu;0C80..0CFF:InKannada;0D00..0D7F:InMalayalam;0D80..0DFF:InSinhala;0E00..0E7F:InThai;"
+ "0E80..0EFF:InLao;0F00..0FFF:InTibetan;1000..109F:InMyanmar;10A0..10FF:InGeorgian;1100..11FF:InHangulJamo;"
+ "1200..137F:InEthiopic;13A0..13FF:InCherokee;1400..167F:InUnifiedCanadianAboriginalSyllabics;"
+ "1680..169F:InOgham;16A0..16FF:InRunic;1780..17FF:InKhmer;1800..18AF:InMongolian;"
+ "1E00..1EFF:InLatinExtendedAdditional;1F00..1FFF:InGreekExtended;2000..206F:InGeneralPunctuation;"
+ "2070..209F:InSuperscriptsAndSubscripts;20A0..20CF:InCurrencySymbols;"
+ "20D0..20FF:InCombiningMarksForSymbols;2100..214F:InLetterLikeSymbols;2150..218F:InNumberForms;"
+ "2190..21FF:InArrows;2200..22FF:InMathematicalOperators;2300..23FF:InMiscellaneousTechnical;"
+ "2400..243F:InControlPictures;2440..245F:InOpticalCharacterRecognition;"
+ "2460..24FF:InEnclosedAlphanumerics;2500..257F:InBoxDrawing;2580..259F:InBlockElements;"
+ "25A0..25FF:InGeometricShapes;2600..26FF:InMiscellaneousSymbols;2700..27BF:InDingbats;"
+ "2800..28FF:InBraillePatterns;2E80..2EFF:InCJKRadicalsSupplement;2F00..2FDF:InKangxiRadicals;"
+ "2FF0..2FFF:InIdeographicDescriptionCharacters;3000..303F:InCJKSymbolsAndPunctuation;"
+ "3040..309F:InHiragana;30A0..30FF:InKatakana;3100..312F:InBopomofo;3130..318F:InHangulCompatibilityJamo;"
+ "3190..319F:InKanbun;31A0..31BF:InBopomofoExtended;3200..32FF:InEnclosedCJKLettersAndMonths;"
+ "3300..33FF:InCJKCompatibility;3400..4DB5:InCJKUnifiedIdeographsExtensionA;"
+ "4E00..9FFF:InCJKUnifiedIdeographs;A000..A48F:InYiSyllables;A490..A4CF:InYiRadicals;"
+ "AC00..D7A3:InHangulSyllables;D800..DB7F:InHighSurrogates;DB80..DBFF:InHighPrivateUseSurrogates;"
+ "DC00..DFFF:InLowSurrogates;E000..F8FF:InPrivateUse;F900..FAFF:InCJKCompatibilityIdeographs;"
+ "FB00..FB4F:InAlphabeticPresentationForms;FB50..FDFF:InArabicPresentationForms-A;"
+ "FE20..FE2F:InCombiningHalfMarks;FE30..FE4F:InCJKCompatibilityForms;FE50..FE6F:InSmallFormVariants;"
+ "FE70..FEFE:InArabicPresentationForms-B;FEFF..FEFF:InSpecials;FF00..FFEF:InHalfWidthAndFullWidthForms;"
+ "FFF0..FFFD:InSpecials";
static {
//*
DIGIT.setDigit(false);
WORDCHAR.setWordChar(false);
SPACE.setSpace(false);
HSPACE.setHorizontalSpace(false);
VSPACE.setVerticalSpace(false);
UDIGIT.setDigit(true);
UWORDCHAR.setWordChar(true);
USPACE.setSpace(true);
UHSPACE.setHorizontalSpace(true);
UVSPACE.setVerticalSpace(true);
NONDIGIT.setDigit(false);
NONDIGIT.setPositive(false);
NONWORDCHAR.setWordChar(false);
NONWORDCHAR.setPositive(false);
NONSPACE.setSpace(false);
NONSPACE.setPositive(false);
NONHSPACE.setHorizontalSpace(false);
NONHSPACE.setPositive(false);
NONVSPACE.setVerticalSpace(false);
NONVSPACE.setPositive(false);
UNONDIGIT.setDigit(true);
UNONDIGIT.setPositive(false);
UNONWORDCHAR.setWordChar(true);
UNONWORDCHAR.setPositive(false);
UNONSPACE.setSpace(true);
UNONSPACE.setPositive(false);
UNONHSPACE.setHorizontalSpace(true);
UNONHSPACE.setPositive(false);
UNONVSPACE.setVerticalSpace(true);
UNONVSPACE.setPositive(false);
initPosixClasses();
}
private static void registerClass(String name, BlockSet cls, ArrayList realm) {
namedClasses.put(name, cls);
if (!realm.contains(name)) realm.add(name);
}
private static void initPosixClasses() {
BlockSet lower = new BlockSet();
lower.setRange('a', 'z');
registerClass("Lower", lower, posixClasses);
BlockSet upper = new BlockSet();
upper.setRange('A', 'Z');
registerClass("Upper", upper, posixClasses);
BlockSet ascii = new BlockSet();
ascii.setRange((char) 0, (char) 0x7f);
registerClass("ASCII", ascii, posixClasses);
BlockSet alpha = new BlockSet();
alpha.add(lower);
alpha.add(upper);
registerClass("Alpha", alpha, posixClasses);
BlockSet digit = new BlockSet();
digit.setRange('0', '9');
registerClass("Digit", digit, posixClasses);
BlockSet alnum = new BlockSet();
alnum.add(alpha);
alnum.add(digit);
registerClass("Alnum", alnum, posixClasses);
BlockSet punct = new BlockSet();
punct.setChars("!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~");
registerClass("Punct", punct, posixClasses);
BlockSet graph = new BlockSet();
graph.add(alnum);
graph.add(punct);
registerClass("Graph", graph, posixClasses);
registerClass("Print", graph, posixClasses);
BlockSet blank = new BlockSet();
blank.setChars(" \t");
registerClass("Blank", blank, posixClasses);
BlockSet cntrl = new BlockSet();
cntrl.setRange((char) 0, (char) 0x1f);
cntrl.setChar((char) 0x7f);
registerClass("Cntrl", cntrl, posixClasses);
BlockSet xdigit = new BlockSet();
xdigit.setRange('0', '9');
xdigit.setRange('a', 'f');
xdigit.setRange('A', 'F');
registerClass("XDigit", xdigit, posixClasses);
BlockSet space = new BlockSet();
space.setChars(" \t\n\r\f\u000b");
registerClass("Space", space, posixClasses);
}
private static void initNames() {
initNamedCategory("C");
initNamedCategory("Cn");
initNamedCategory("Cc");
initNamedCategory("Cf");
initNamedCategory("Co");
initNamedCategory("Cs");
initNamedCategory("L");
initNamedCategory("Lu");
initNamedCategory("Ll");
initNamedCategory("Lt");
initNamedCategory("Lm");
initNamedCategory("Lo");
initNamedCategory("M");
initNamedCategory("Mn");
initNamedCategory("Me");
initNamedCategory("Mc");
initNamedCategory("N");
initNamedCategory("Nd");
initNamedCategory("Nl");
initNamedCategory("No");
initNamedCategory("Z");
initNamedCategory("Zs");
initNamedCategory("Zl");
initNamedCategory("Zp");
initNamedCategory("P");
initNamedCategory("Pd");
initNamedCategory("Ps");
initNamedCategory("Pi");
initNamedCategory("Pe");
initNamedCategory("Pf");
initNamedCategory("Pc");
initNamedCategory("Po");
initNamedCategory("S");
initNamedCategory("Sm");
initNamedCategory("Sc");
initNamedCategory("Sk");
initNamedCategory("So");
BlockSet bs = new BlockSet();
bs.setCategory("Cn");
registerClass("UNASSIGNED", bs, unicodeCategories);
bs = new BlockSet();
bs.setCategory("Cn");
bs.setPositive(false);
registerClass("ASSIGNED", bs, unicodeCategories);
StringTokenizer st = new StringTokenizer(blockData, ".,:;");
while (st.hasMoreTokens()) {
try {
int first = Integer.parseInt(st.nextToken(), 16);
int last = Integer.parseInt(st.nextToken(), 16);
String name = st.nextToken();
initNamedBlock(name, first, last);
} catch (Exception e) {
e.printStackTrace();
}
}
initNamedBlock("ALL", 0, 0xffff);
namesInitialized = true;
//*/
}
private static void initNamedBlock(String name, int first, int last) {
if (first < Character.MIN_VALUE || first > Character.MAX_VALUE)
throw new IllegalArgumentException("wrong start code (" + first + ") in block " + name);
if (last < Character.MIN_VALUE || last > Character.MAX_VALUE)
throw new IllegalArgumentException("wrong end code (" + last + ") in block " + name);
if (last < first) throw new IllegalArgumentException("end code < start code in block " + name);
BlockSet bs = namedClasses.get(name);
if (bs == null) {
bs = new BlockSet();
registerClass(name, bs, unicodeBlocks);
}
bs.setRange((char) first, (char) last);
}
private static void initNamedCategory(String name) {
BlockSet bs = new BlockSet();
bs.setCategory(name);
registerClass(name, bs, unicodeCategories);
}
private static BlockSet getNamedClass(String name) {
if (!namesInitialized) initNames();
return namedClasses.get(name);
}
/*
static void makeICase(Term term, char c) {
BlockSet bs = new BlockSet();
//bs.setChar(Character.toLowerCase(c));
//bs.setChar(Character.toUpperCase(c));
//bs.setChar(Character.toTitleCase(c));
bs.setChar(Category.caseFold(c));
BlockSet.unify(bs, term);
}*/
static void makeDigit(Term term, boolean inverse, boolean unicode) {
BlockSet digit = unicode ? inverse ? UNONDIGIT : UDIGIT :
inverse ? NONDIGIT : DIGIT;
BlockSet.unify(digit, term);
}
static void makeSpace(Term term, boolean inverse, boolean unicode) {
BlockSet space = unicode ? inverse ? UNONSPACE : USPACE :
inverse ? NONSPACE : SPACE;
BlockSet.unify(space, term);
}
static void makeHSpace(Term term, boolean inverse, boolean unicode) {
BlockSet space = unicode ? inverse ? UNONHSPACE : UHSPACE :
inverse ? NONHSPACE : HSPACE;
BlockSet.unify(space, term);
}
static void makeVSpace(Term term, boolean inverse, boolean unicode) {
BlockSet space = unicode ? inverse ? UNONVSPACE : UVSPACE :
inverse ? NONVSPACE : VSPACE;
BlockSet.unify(space, term);
}
static void makeWordChar(Term term, boolean inverse, boolean unicode) {
BlockSet wordChar = unicode ? inverse ? UNONWORDCHAR : UWORDCHAR :
inverse ? NONWORDCHAR : WORDCHAR;
BlockSet.unify(wordChar, term);
}
static void makeWordBoundary(Term term, boolean inverse, boolean unicode) {
makeWordChar(term, inverse, unicode);
term.type = unicode ? UBOUNDARY : BOUNDARY;
}
static void makeWordStart(Term term, boolean unicode) {
makeWordChar(term, false, unicode);
term.type = unicode ? UDIRECTION : DIRECTION;
}
static void makeWordEnd(Term term, boolean unicode) {
makeWordChar(term, true, unicode);
term.type = unicode ? UDIRECTION : DIRECTION;
}
static void parseGroup(char[] data, int i, int out, Term term, boolean icase, boolean skipspaces,
boolean unicode, boolean xml) throws PatternSyntaxException {
BlockSet sum = new BlockSet();
BlockSet bs = new BlockSet();
int mode = ADD;
char c;
for (; i < out; ) {
switch (c = data[i++]) {
case '+':
mode = ADD;
continue;
case '-':
mode = SUBTRACT;
continue;
case '&':
mode = INTERSECT;
continue;
case '[':
bs.reset();
i = parseClass(data, i, out, bs, icase, skipspaces, unicode, xml);
switch (mode) {
case ADD:
sum.add(bs);
break;
case SUBTRACT:
sum.subtract(bs);
break;
case INTERSECT:
sum.intersect(bs);
break;
}
continue;
case ')':
throw new PatternSyntaxException("unbalanced class group");
}
}
BlockSet.unify(sum, term);
}
static int parseClass(char[] data, int i, int out, Term term, boolean icase, boolean skipspaces,
boolean unicode, boolean xml) throws PatternSyntaxException {
BlockSet bs = new BlockSet();
i = parseClass(data, i, out, bs, icase, skipspaces, unicode, xml);
BlockSet.unify(bs, term);
return i;
}
static int parseName(char[] data, int i, int out, Term term, boolean inverse,
boolean skipspaces) throws PatternSyntaxException {
StringBuilder sb = new StringBuilder();
i = parseName(data, i, out, sb, skipspaces);
BlockSet bs = getNamedClass(sb.toString());
if (bs == null) throw new PatternSyntaxException("unknown class: {" + sb + "}");
BlockSet.unify(bs, term);
term.inverse = inverse;
return i;
}
/*
* @param mode add/subtract
*/
private static int parseClass(char[] data, int i, int out, BlockSet bs,
boolean icase, boolean skipspaces,
boolean unicode, boolean xml) throws PatternSyntaxException {
char c;
int prev = -1, oct = 0;
boolean isFirst = true, setFirst = false, inRange = false;
BlockSet bs1 = null;
StringBuilder sb = null;
for (; i < out; isFirst = setFirst, setFirst = false) {
handle_special:
switch (c = data[i++]) {
case ']':
if (isFirst) break; //treat as normal char
if (inRange) {
bs.setChar('-');
}
if (prev >= 0) {
char c1 = (char) prev;
if (icase) {
/*
bs.setChar(Character.toLowerCase(c1));
bs.setChar(Character.toUpperCase(c1));
bs.setChar(Character.toTitleCase(c1));
*/
bs.setChar(Category.caseFold(c1));
} else bs.setChar(c1);
}
return i;
case '-':
if (isFirst) break;
//if(isFirst) throw new PatternSyntaxException("[-...] is illegal");
if (inRange) break;
//if(inRange) throw new PatternSyntaxException("[...--...] is illegal");
inRange = true;
continue;
case '[':
if (inRange && xml) { //[..-[..]]
if (prev >= 0) bs.setChar((char) prev);
if (bs1 == null) bs1 = new BlockSet();
else bs1.reset();
i = parseClass(data, i, out, bs1, icase, skipspaces, unicode, xml);
bs.subtract(bs1);
inRange = false;
prev = -1;
continue;
} else break;
case '^':
//if(!isFirst) throw new PatternSyntaxException("'^' isn't a first char in a class def");
//bs.setPositive(false);
//setFirst=true;
//continue;
if (isFirst) {
bs.setPositive(false);
setFirst = true;
continue;
}
//treat as normal char
break;
case ' ':
case '\r':
case '\n':
case '\t':
case '\f':
if (skipspaces) continue;
else break;
case '\\':
BlockSet negativeClass = null;
boolean inv = false;
switch (c = data[i++]) {
case 'r':
c = '\r';
break handle_special;
case 'n':
c = '\n';
break handle_special;
case 't':
c = '\t';
break handle_special;
case 'f':
c = '\f';
break handle_special;
case 'u':
if (i >= out - 4) throw new PatternSyntaxException("incomplete escape sequence \\uXXXX");
c = (char) ((toHexDigit(data[i++]) << 12)
+ (toHexDigit(data[i++]) << 8)
+ (toHexDigit(data[i++]) << 4)
+ toHexDigit(data[i++]));
break handle_special;
case 'b':
c = 8; // backspace
break handle_special;
case 'x': { // hex 2-digit number
int hex = 0;
char d;
if ((d = data[i++]) == '{') {
while (i < out && (d = data[i++]) != '}') {
hex = (hex << 4) + toHexDigit(d);
}
if (hex > 0xffff || i == out)
throw new PatternSyntaxException("\\x{}");
} else {
if(i >= out - 2) throw new PatternSyntaxException("incomplete escape sequence \\xHH");
hex = (toHexDigit(d) << 4) + toHexDigit(data[i++]);
}
c = (char) hex;
break handle_special;
}
case 'o': // oct 2- or 3-digit number
oct = 0;
for (; ; ) {
char d = data[i++];
if (d >= '0' && d <= '7') {
oct *= 8;
oct += d - '0';
if (oct > 0xffff){
oct -= d - '0';
oct /= 8;
break;
}
} else break;
}
c = (char) oct;
break handle_special;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
oct = 0;
for (; ; ) {
char d = data[i - 1];
if (d >= '0' && d <= '7') {
i++;
oct *= 8;
oct += d - '0';
if (oct > 0xffff){
oct -= d - '0';
oct /= 8;
break;
}
} else {
i--;
break;
}
}
c = (char) oct;
break handle_special;
case 'm': // decimal number -> char
int dec = 0;
for (; ; ) {
char d = data[i++];
if (d >= '0' && d <= '9') {
dec *= 10;
dec += d - '0';
if (dec > 0xffff) {
dec -= d - '0';
dec /= 10;
break;
}
} else break;
}
c = (char) dec;
break handle_special;
case 'c': // ctrl-char
c = (char) (data[i++] & 0x1f);
break handle_special;
//classes;
//
case 'D': // non-digit
negativeClass = unicode ? UNONDIGIT : NONDIGIT;
break;
case 'S': // space
negativeClass = unicode ? UNONSPACE : NONSPACE;
break;
case 'W': // space
negativeClass = unicode ? UNONWORDCHAR : NONWORDCHAR;
break;
case 'd': // digit
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\d...]");
bs.setDigit(unicode);
continue;
case 's': // digit
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\s...]");
bs.setSpace(unicode);
continue;
case 'w': // digit
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\w...]");
bs.setWordChar(unicode);
continue;
case 'h': // horizontal whitespace
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\w...]");
bs.setHorizontalSpace(unicode);
continue;
case 'v': // vertical whitespace
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\w...]");
bs.setVerticalSpace(unicode);
continue;
case 'P': // \\P{..}
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\P...]");
inv = true;
case 'p': // \\p{..}
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\p...]");
if (sb == null) sb = new StringBuilder();
else sb.setLength(0);
i = parseName(data, i, out, sb, skipspaces);
BlockSet nc = getNamedClass(sb.toString());
if (nc == null) throw new PatternSyntaxException("unknown named class: {" + sb + "}");
bs.add(nc, inv);
continue;
case 'Q':
case 'E':
throw new PatternSyntaxException("Escaped \\Q\\E literals cannot be inside character classes");
default:
//other escaped treat as normal
break handle_special;
}
//negativeClass;
//\S,\D,\W
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\" + c + "...]");
bs.add(negativeClass);
continue;
/*
case '{':
if (inRange) throw new PatternSyntaxException("illegal range: [..." + prev + "-\\w...]");
if (sb == null) sb = new StringBuilder();
else sb.setLength(0);
i = parseName(data, i - 1, out, sb, skipspaces);
BlockSet nc = getNamedClass(sb.toString());
if (nc == null) throw new PatternSyntaxException("unknown named class: {" + sb + "}");
bs.add(nc, false);
continue;
*/
default:
}
//c is a normal char
if (prev < 0) {
prev = c;
inRange = false;
continue;
}
if (!inRange) {
char c1 = (char) prev;
if (icase) {
/*
bs.setChar(Character.toLowerCase(c1));
bs.setChar(Character.toUpperCase(c1));
bs.setChar(Character.toTitleCase(c1));
*/
bs.setChar(Category.caseFold(c1));
} else bs.setChar(c1);
prev = c;
} else {
if (prev > c)
throw new PatternSyntaxException("illegal range: " + prev + ">" + c);
char c0 = (char) prev;
inRange = false;
prev = -1;
if (icase) {
/*
bs.setRange(Character.toLowerCase(c0), Character.toLowerCase(c));
bs.setRange(Character.toUpperCase(c0), Character.toUpperCase(c));
bs.setRange(Character.toTitleCase(c0), Character.toTitleCase(c));
*/
bs.setRange(Category.caseFold(c0), Category.caseFold(c));
} else bs.setRange(c0, c);
}
}
throw new PatternSyntaxException("unbalanced brackets in a class def");
}
private static int parseName(char[] data, int i, int out, StringBuilder sb,
boolean skipspaces) throws PatternSyntaxException {
char c;
int start = -1;
while (i < out) {
switch (c = data[i++]) {
case '{':
start = i;
continue;
case '}':
return i;
case ' ':
case '\r':
case '\n':
case '\t':
case '\f':
if (skipspaces) continue;
//else pass on
case 'I':
if(start > 0 && start + 1 == i) {
if (data[i] == 's') {
i++;
continue;
}
}
else if(start < 0)
throw new PatternSyntaxException("Is or In named class doesn't start with '{'");
case 'C':
case 'L':
case 'M':
case 'N':
case 'Z':
case 'P':
case 'S':
if(start < 0)
{
sb.append(c);
return i;
}
default:
if (start < 0) throw new PatternSyntaxException("named class doesn't start with '{'");
sb.append(c);
}
}
throw new PatternSyntaxException("wrong class name: " + new String(data, i, out - i));
}
private static StringBuilder b0 = new StringBuilder(100), b2 = new StringBuilder(100);
static String stringValue0(IntBitSet arr) {
b0.setLength(0);
int c = 0;
for (; ; ) {
c = arr.nextSetBit(c);
if (c < 0 || c >= 0xff) break;
int first = c;
c = arr.nextClearBit(c);
if (c <= 0 || c > 0xff) break;
int last = c - 1;
if (last == first) b0.append(stringValue(last));
else {
b0.append(stringValue(first));
b0.append('-');
b0.append(stringValue(last));
}
if (c > 0xff) break;
}
return b0.toString();
}
/* Mmm.. what is it?
static String stringValueC(boolean[] categories){
StringBuffer sb=new StringBuffer();
for(int i=0;i> 8];
if (marks != null && marks.get(c & 255)) break;
c++;
if (c > 0xffff) break loop;
}
int first = c;
for (; c <= 0xffff; ) {
IntBitSet marks = arr[c >> 8];
if (marks == null || !marks.get(c & 255)) break;
c++;
}
int last = c - 1;
if (last == first) b2.append(stringValue(last));
else {
b2.append(stringValue(first));
b2.append('-');
b2.append(stringValue(last));
}
if (c > 0xffff) break;
}
return b2.toString();
}
static String stringValue(int c) {
if (c < 32) {
switch (c) {
case '\r':
return "\\r";
case '\n':
return "\\n";
case '\t':
return "\\t";
case '\f':
return "\\f";
default:
return "\\x" + c;
}
}
return String.valueOf((char)c);
}
static int toHexDigit(char d) throws PatternSyntaxException {
int val;
if (d >= '0' && d <= '9') val = d - '0';
else if (d >= 'a' && d <= 'f') val = 10 + d - 'a';
else if (d >= 'A' && d <= 'F') val = 10 + d - 'A';
else throw new PatternSyntaxException("hexadecimal digit expected: " + d);
return val;
}
/*
public static void main(String[] args) {
if (!namesInitialized) initNames();
if (args.length == 0) {
System.out.println("Class usage: \\p{Class},\\P{Class}");
printRealm(posixClasses, "Posix classes");
printRealm(unicodeCategories, "Unicode categories");
printRealm(unicodeBlocks, "Unicode blocks");
} else {
for (int i = 0; i < args.length; i++) {
System.out.print(args[i]);
System.out.print(": ");
System.out.println(namedClasses.containsKey(args[i]) ? "supported" : "not supported");
}
}
}
*/
/*
int[][] data=new int[CATEGORY_COUNT][BLOCK_SIZE+2];
for(int i=Character.MIN_VALUE;i<=Character.MAX_VALUE;i++){
int cat=Character.getType((char)i);
data[cat][BLOCK_SIZE]++;
int b=(i>>8)&0xff;
if(data[cat][b]==0){
data[cat][b]=1;
data[cat][BLOCK_SIZE+1]++;
}
}
for(int i=0;i realm, String name) {
System.out.println(name + ":");
for (String s : realm) {
System.out.println(" " + s);
}
}
}
