diff options
Diffstat (limited to 'libjava/classpath/gnu/java/util/regex/RETokenNamedProperty.java')
| -rw-r--r-- | libjava/classpath/gnu/java/util/regex/RETokenNamedProperty.java | 519 |
1 files changed, 278 insertions, 241 deletions
diff --git a/libjava/classpath/gnu/java/util/regex/RETokenNamedProperty.java b/libjava/classpath/gnu/java/util/regex/RETokenNamedProperty.java index 0051f164364..1683cb1bf67 100644 --- a/libjava/classpath/gnu/java/util/regex/RETokenNamedProperty.java +++ b/libjava/classpath/gnu/java/util/regex/RETokenNamedProperty.java @@ -38,303 +38,341 @@ exception statement from your version. */ package gnu.java.util.regex; +import gnu.java.lang.CPStringBuilder; + import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; -final class RETokenNamedProperty extends REToken { +final class RETokenNamedProperty extends REToken +{ String name; boolean insens; boolean negate; Handler handler; // Grouped properties - static final byte[] LETTER = new byte[] - { Character.LOWERCASE_LETTER, + static final byte[] LETTER = new byte[]{ Character.LOWERCASE_LETTER, Character.UPPERCASE_LETTER, Character.TITLECASE_LETTER, Character.MODIFIER_LETTER, - Character.OTHER_LETTER }; - - static final byte[] MARK = new byte[] - { Character.NON_SPACING_MARK, + Character.OTHER_LETTER + }; + + static final byte[] MARK = new byte[]{ Character.NON_SPACING_MARK, Character.COMBINING_SPACING_MARK, - Character.ENCLOSING_MARK }; - - static final byte[] SEPARATOR = new byte[] - { Character.SPACE_SEPARATOR, + Character.ENCLOSING_MARK + }; + + static final byte[] SEPARATOR = new byte[]{ Character.SPACE_SEPARATOR, Character.LINE_SEPARATOR, - Character.PARAGRAPH_SEPARATOR }; - - static final byte[] SYMBOL = new byte[] - { Character.MATH_SYMBOL, + Character.PARAGRAPH_SEPARATOR + }; + + static final byte[] SYMBOL = new byte[]{ Character.MATH_SYMBOL, Character.CURRENCY_SYMBOL, Character.MODIFIER_SYMBOL, - Character.OTHER_SYMBOL }; - - static final byte[] NUMBER = new byte[] - { Character.DECIMAL_DIGIT_NUMBER, + Character.OTHER_SYMBOL + }; + + static final byte[] NUMBER = new byte[]{ Character.DECIMAL_DIGIT_NUMBER, Character.LETTER_NUMBER, - Character.OTHER_NUMBER }; - - static final byte[] PUNCTUATION = new byte[] - { Character.DASH_PUNCTUATION, + Character.OTHER_NUMBER + }; + + static final byte[] PUNCTUATION = new byte[]{ Character.DASH_PUNCTUATION, Character.START_PUNCTUATION, Character.END_PUNCTUATION, Character.CONNECTOR_PUNCTUATION, Character.OTHER_PUNCTUATION, Character.INITIAL_QUOTE_PUNCTUATION, - Character.FINAL_QUOTE_PUNCTUATION}; - - static final byte[] OTHER = new byte[] - { Character.CONTROL, + Character.FINAL_QUOTE_PUNCTUATION + }; + + static final byte[] OTHER = new byte[]{ Character.CONTROL, Character.FORMAT, Character.PRIVATE_USE, Character.SURROGATE, - Character.UNASSIGNED }; + Character.UNASSIGNED + }; - RETokenNamedProperty(int subIndex, String name, boolean insens, boolean negate) throws REException { - super(subIndex); + RETokenNamedProperty (int subIndex, String name, boolean insens, + boolean negate) throws REException + { + super (subIndex); this.name = name; this.insens = insens; this.negate = negate; - handler = getHandler(name); + handler = getHandler (name); } - int getMinimumLength() { - return 1; - } + int getMinimumLength () + { + return 1; + } - int getMaximumLength() { - return 1; - } + int getMaximumLength () + { + return 1; + } - REMatch matchThis(CharIndexed input, REMatch mymatch) { - char ch = input.charAt(mymatch.index); - boolean retval = matchOneChar(ch); - if (retval) { + REMatch matchThis (CharIndexed input, REMatch mymatch) + { + char ch = input.charAt (mymatch.index); + boolean retval = matchOneChar (ch); + if (retval) + { ++mymatch.index; return mymatch; } - return null; + return null; } - private boolean matchOneChar(char ch) { + private boolean matchOneChar (char ch) + { if (ch == CharIndexed.OUT_OF_BOUNDS) return false; - - boolean retval = handler.includes(ch); - if (insens) { - retval = retval || - handler.includes(toUpperCase(ch, unicodeAware)) || - handler.includes(toLowerCase(ch, unicodeAware)); - } - if (negate) retval = !retval; + boolean retval = handler.includes (ch); + if (insens) + { + retval = retval || + handler.includes (toUpperCase (ch, unicodeAware)) || + handler.includes (toLowerCase (ch, unicodeAware)); + } + + if (negate) + retval = !retval; return retval; } - boolean returnsFixedLengthMatches() { return true; } + boolean returnsFixedLengthMatches () + { + return true; + } - int findFixedLengthMatches(CharIndexed input, REMatch mymatch, int max) { + int findFixedLengthMatches (CharIndexed input, REMatch mymatch, int max) + { int index = mymatch.index; int numRepeats = 0; - while (true) { - if (numRepeats >= max) break; - char ch = input.charAt(index++); - if (! matchOneChar(ch)) break; + while (true) + { + if (numRepeats >= max) + break; + char ch = input.charAt (index++); + if (!matchOneChar (ch)) + break; numRepeats++; - } + } return numRepeats; } - void dump(StringBuffer os) { - os.append("\\") - .append(negate ? "P" : "p") - .append("{" + name + "}"); + void dump (CPStringBuilder os) + { + os.append ("\\").append (negate ? "P" : "p").append ("{" + name + "}"); } - private abstract static class Handler { - public abstract boolean includes(char c); + private abstract static class Handler + { + public abstract boolean includes (char c); } - private Handler getHandler(String name) throws REException { - if (name.equals("Lower") || - name.equals("Upper") || - // name.equals("ASCII") || - name.equals("Alpha") || - name.equals("Digit") || - name.equals("Alnum") || - name.equals("Punct") || - name.equals("Graph") || - name.equals("Print") || - name.equals("Blank") || - name.equals("Cntrl") || - name.equals("XDigit") || - name.equals("Space") ) { - return new POSIXHandler(name); + private Handler getHandler (String name) throws REException + { + if (name.equals ("Lower") || name.equals ("Upper") || + // name.equals("ASCII") || + name.equals ("Alpha") || + name.equals ("Digit") || + name.equals ("Alnum") || + name.equals ("Punct") || + name.equals ("Graph") || + name.equals ("Print") || + name.equals ("Blank") || + name.equals ("Cntrl") || + name.equals ("XDigit") || name.equals ("Space")) + { + return new POSIXHandler (name); } - if (name.startsWith("In")) { - try { - name = name.substring(2); - Character.UnicodeBlock block = Character.UnicodeBlock.forName(name); - return new UnicodeBlockHandler(block); - } - catch (IllegalArgumentException e) { - throw new REException("Invalid Unicode block name: " + name, REException.REG_ESCAPE, 0); - } + if (name.startsWith ("In")) + { + try + { + name = name.substring (2); + Character.UnicodeBlock block = + Character.UnicodeBlock.forName (name); + return new UnicodeBlockHandler (block); + } + catch (IllegalArgumentException e) + { + throw new REException ("Invalid Unicode block name: " + name, + REException.REG_ESCAPE, 0); + } } - if (name.startsWith("Is")) { - name = name.substring(2); + if (name.startsWith ("Is")) + { + name = name.substring (2); } - // "grouped properties" - if (name.equals("L")) - return new UnicodeCategoriesHandler(LETTER); - if (name.equals("M")) - return new UnicodeCategoriesHandler(MARK); - if (name.equals("Z")) - return new UnicodeCategoriesHandler(SEPARATOR); - if (name.equals("S")) - return new UnicodeCategoriesHandler(SYMBOL); - if (name.equals("N")) - return new UnicodeCategoriesHandler(NUMBER); - if (name.equals("P")) - return new UnicodeCategoriesHandler(PUNCTUATION); - if (name.equals("C")) - return new UnicodeCategoriesHandler(OTHER); - - if (name.equals("Mc")) - return new UnicodeCategoryHandler(Character.COMBINING_SPACING_MARK); - if (name.equals("Pc")) - return new UnicodeCategoryHandler(Character.CONNECTOR_PUNCTUATION); - if (name.equals("Cc")) - return new UnicodeCategoryHandler(Character.CONTROL); - if (name.equals("Sc")) - return new UnicodeCategoryHandler(Character.CURRENCY_SYMBOL); - if (name.equals("Pd")) - return new UnicodeCategoryHandler(Character.DASH_PUNCTUATION); - if (name.equals("Nd")) - return new UnicodeCategoryHandler(Character.DECIMAL_DIGIT_NUMBER); - if (name.equals("Me")) - return new UnicodeCategoryHandler(Character.ENCLOSING_MARK); - if (name.equals("Pe")) - return new UnicodeCategoryHandler(Character.END_PUNCTUATION); - if (name.equals("Pf")) - return new UnicodeCategoryHandler(Character.FINAL_QUOTE_PUNCTUATION); - if (name.equals("Cf")) - return new UnicodeCategoryHandler(Character.FORMAT); - if (name.equals("Pi")) - return new UnicodeCategoryHandler(Character.INITIAL_QUOTE_PUNCTUATION); - if (name.equals("Nl")) - return new UnicodeCategoryHandler(Character.LETTER_NUMBER); - if (name.equals("Zl")) - return new UnicodeCategoryHandler(Character.LINE_SEPARATOR); - if (name.equals("Ll")) - return new UnicodeCategoryHandler(Character.LOWERCASE_LETTER); - if (name.equals("Sm")) - return new UnicodeCategoryHandler(Character.MATH_SYMBOL); - if (name.equals("Lm")) - return new UnicodeCategoryHandler(Character.MODIFIER_LETTER); - if (name.equals("Sk")) - return new UnicodeCategoryHandler(Character.MODIFIER_SYMBOL); - if (name.equals("Mn")) - return new UnicodeCategoryHandler(Character.NON_SPACING_MARK); - if (name.equals("Lo")) - return new UnicodeCategoryHandler(Character.OTHER_LETTER); - if (name.equals("No")) - return new UnicodeCategoryHandler(Character.OTHER_NUMBER); - if (name.equals("Po")) - return new UnicodeCategoryHandler(Character.OTHER_PUNCTUATION); - if (name.equals("So")) - return new UnicodeCategoryHandler(Character.OTHER_SYMBOL); - if (name.equals("Zp")) - return new UnicodeCategoryHandler(Character.PARAGRAPH_SEPARATOR); - if (name.equals("Co")) - return new UnicodeCategoryHandler(Character.PRIVATE_USE); - if (name.equals("Zs")) - return new UnicodeCategoryHandler(Character.SPACE_SEPARATOR); - if (name.equals("Ps")) - return new UnicodeCategoryHandler(Character.START_PUNCTUATION); - if (name.equals("Cs")) - return new UnicodeCategoryHandler(Character.SURROGATE); - if (name.equals("Lt")) - return new UnicodeCategoryHandler(Character.TITLECASE_LETTER); - if (name.equals("Cn")) - return new UnicodeCategoryHandler(Character.UNASSIGNED); - if (name.equals("Lu")) - return new UnicodeCategoryHandler(Character.UPPERCASE_LETTER); - if (name.equals("all")) - return new Handler() - { - public boolean includes(char c) - { - return true; - } - }; - if (name.startsWith("java")) + // "grouped properties" + if (name.equals ("L")) + return new UnicodeCategoriesHandler (LETTER); + if (name.equals ("M")) + return new UnicodeCategoriesHandler (MARK); + if (name.equals ("Z")) + return new UnicodeCategoriesHandler (SEPARATOR); + if (name.equals ("S")) + return new UnicodeCategoriesHandler (SYMBOL); + if (name.equals ("N")) + return new UnicodeCategoriesHandler (NUMBER); + if (name.equals ("P")) + return new UnicodeCategoriesHandler (PUNCTUATION); + if (name.equals ("C")) + return new UnicodeCategoriesHandler (OTHER); + + if (name.equals ("Mc")) + return new UnicodeCategoryHandler (Character.COMBINING_SPACING_MARK); + if (name.equals ("Pc")) + return new UnicodeCategoryHandler (Character.CONNECTOR_PUNCTUATION); + if (name.equals ("Cc")) + return new UnicodeCategoryHandler (Character.CONTROL); + if (name.equals ("Sc")) + return new UnicodeCategoryHandler (Character.CURRENCY_SYMBOL); + if (name.equals ("Pd")) + return new UnicodeCategoryHandler (Character.DASH_PUNCTUATION); + if (name.equals ("Nd")) + return new UnicodeCategoryHandler (Character.DECIMAL_DIGIT_NUMBER); + if (name.equals ("Me")) + return new UnicodeCategoryHandler (Character.ENCLOSING_MARK); + if (name.equals ("Pe")) + return new UnicodeCategoryHandler (Character.END_PUNCTUATION); + if (name.equals ("Pf")) + return new UnicodeCategoryHandler (Character.FINAL_QUOTE_PUNCTUATION); + if (name.equals ("Cf")) + return new UnicodeCategoryHandler (Character.FORMAT); + if (name.equals ("Pi")) + return new UnicodeCategoryHandler (Character.INITIAL_QUOTE_PUNCTUATION); + if (name.equals ("Nl")) + return new UnicodeCategoryHandler (Character.LETTER_NUMBER); + if (name.equals ("Zl")) + return new UnicodeCategoryHandler (Character.LINE_SEPARATOR); + if (name.equals ("Ll")) + return new UnicodeCategoryHandler (Character.LOWERCASE_LETTER); + if (name.equals ("Sm")) + return new UnicodeCategoryHandler (Character.MATH_SYMBOL); + if (name.equals ("Lm")) + return new UnicodeCategoryHandler (Character.MODIFIER_LETTER); + if (name.equals ("Sk")) + return new UnicodeCategoryHandler (Character.MODIFIER_SYMBOL); + if (name.equals ("Mn")) + return new UnicodeCategoryHandler (Character.NON_SPACING_MARK); + if (name.equals ("Lo")) + return new UnicodeCategoryHandler (Character.OTHER_LETTER); + if (name.equals ("No")) + return new UnicodeCategoryHandler (Character.OTHER_NUMBER); + if (name.equals ("Po")) + return new UnicodeCategoryHandler (Character.OTHER_PUNCTUATION); + if (name.equals ("So")) + return new UnicodeCategoryHandler (Character.OTHER_SYMBOL); + if (name.equals ("Zp")) + return new UnicodeCategoryHandler (Character.PARAGRAPH_SEPARATOR); + if (name.equals ("Co")) + return new UnicodeCategoryHandler (Character.PRIVATE_USE); + if (name.equals ("Zs")) + return new UnicodeCategoryHandler (Character.SPACE_SEPARATOR); + if (name.equals ("Ps")) + return new UnicodeCategoryHandler (Character.START_PUNCTUATION); + if (name.equals ("Cs")) + return new UnicodeCategoryHandler (Character.SURROGATE); + if (name.equals ("Lt")) + return new UnicodeCategoryHandler (Character.TITLECASE_LETTER); + if (name.equals ("Cn")) + return new UnicodeCategoryHandler (Character.UNASSIGNED); + if (name.equals ("Lu")) + return new UnicodeCategoryHandler (Character.UPPERCASE_LETTER); + if (name.equals ("all")) + return new Handler () + { + public boolean includes (char c) + { + return true; + } + }; + if (name.startsWith ("java")) + { + try { - try - { - Method m = Character.class.getMethod("is" + name.substring(4), - Character.TYPE); - return new JavaCategoryHandler(m); - } - catch (NoSuchMethodException e) - { - throw new REException("Unsupported Java handler: " + name, e, - REException.REG_ESCAPE, 0); - } + Method m = Character.class.getMethod ("is" + name.substring (4), + Character.TYPE); + return new JavaCategoryHandler (m); } - throw new REException("unsupported name " + name, REException.REG_ESCAPE, 0); + catch (NoSuchMethodException e) + { + throw new REException ("Unsupported Java handler: " + name, e, + REException.REG_ESCAPE, 0); + } + } + throw new REException ("unsupported name " + name, REException.REG_ESCAPE, + 0); } - private static class POSIXHandler extends Handler { - private RETokenPOSIX retoken; - public POSIXHandler(String name) { - int posixId = RETokenPOSIX.intValue(name.toLowerCase()); - if (posixId != -1) - retoken = new RETokenPOSIX(0,posixId,false,false); - else - throw new RuntimeException("Unknown posix ID: " + name); - } - public boolean includes(char c) { - return retoken.matchOneChar(c); - } + private static class POSIXHandler extends Handler + { + private RETokenPOSIX retoken; + public POSIXHandler (String name) + { + int posixId = RETokenPOSIX.intValue (name.toLowerCase ()); + if (posixId != -1) + retoken = new RETokenPOSIX (0, posixId, false, false); + else + throw new RuntimeException ("Unknown posix ID: " + name); + } + public boolean includes (char c) + { + return retoken.matchOneChar (c); + } } - private static class UnicodeCategoryHandler extends Handler { - public UnicodeCategoryHandler(byte category) { - this.category = (int)category; - } - private int category; - public boolean includes(char c) { - return Character.getType(c) == category; - } + private static class UnicodeCategoryHandler extends Handler + { + public UnicodeCategoryHandler (byte category) + { + this.category = (int) category; + } + private int category; + public boolean includes (char c) + { + return Character.getType (c) == category; + } } - private static class UnicodeCategoriesHandler extends Handler { - public UnicodeCategoriesHandler(byte[] categories) { - this.categories = categories; - } - private byte[] categories; - public boolean includes(char c) { - int category = Character.getType(c); - for (int i = 0; i < categories.length; i++) - if (category == categories[i]) - return true; - return false; - } + private static class UnicodeCategoriesHandler extends Handler + { + public UnicodeCategoriesHandler (byte[]categories) + { + this.categories = categories; + } + private byte[] categories; + public boolean includes (char c) + { + int category = Character.getType (c); + for (int i = 0; i < categories.length; i++) + if (category == categories[i]) + return true; + return false; + } } - private static class UnicodeBlockHandler extends Handler { - public UnicodeBlockHandler(Character.UnicodeBlock block) { - this.block = block; - } - private Character.UnicodeBlock block; - public boolean includes(char c) { - Character.UnicodeBlock cblock = Character.UnicodeBlock.of(c); - return (cblock != null && cblock.equals(block)); - } + private static class UnicodeBlockHandler extends Handler + { + public UnicodeBlockHandler (Character.UnicodeBlock block) + { + this.block = block; + } + private Character.UnicodeBlock block; + public boolean includes (char c) + { + Character.UnicodeBlock cblock = Character.UnicodeBlock.of (c); + return (cblock != null && cblock.equals (block)); + } } /** @@ -343,30 +381,29 @@ final class RETokenNamedProperty extends REToken { * * @author Andrew John Hughes (gnu_andrew@member.fsf.org) */ - private static class JavaCategoryHandler - extends Handler + private static class JavaCategoryHandler extends Handler { private Method method; - public JavaCategoryHandler(Method m) + public JavaCategoryHandler (Method m) { this.method = m; } - public boolean includes(char c) + public boolean includes (char c) { try - { - return (Boolean) method.invoke(null, c); - } + { + return (Boolean) method.invoke (null, c); + } catch (IllegalAccessException e) - { - throw new InternalError("Unable to access method " + method); - } + { + throw new InternalError ("Unable to access method " + method); + } catch (InvocationTargetException e) - { - throw new InternalError("Error invoking " + method); - } + { + throw new InternalError ("Error invoking " + method); + } } } |