Initial revision
From-SVN: r102074
This commit is contained in:
Tom Tromey
parent
6f4434b39b
commit
f911ba985a
4557 changed files with 1000262 additions and 0 deletions
144
libjava/classpath/gnu/regexp/RETokenPOSIX.java
Normal file
144
libjava/classpath/gnu/regexp/RETokenPOSIX.java
Normal file
|
|
@ -0,0 +1,144 @@
|
|||
/* gnu/regexp/RETokenPOSIX.java
|
||||
Copyright (C) 1998-2001, 2004 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA.
|
||||
|
||||
Linking this library statically or dynamically with other modules is
|
||||
making a combined work based on this library. Thus, the terms and
|
||||
conditions of the GNU General Public License cover the whole
|
||||
combination.
|
||||
|
||||
As a special exception, the copyright holders of this library give you
|
||||
permission to link this library with independent modules to produce an
|
||||
executable, regardless of the license terms of these independent
|
||||
modules, and to copy and distribute the resulting executable under
|
||||
terms of your choice, provided that you also meet, for each linked
|
||||
independent module, the terms and conditions of the license of that
|
||||
module. An independent module is a module which is not derived from
|
||||
or based on this library. If you modify this library, you may extend
|
||||
this exception to your version of the library, but you are not
|
||||
obligated to do so. If you do not wish to do so, delete this
|
||||
exception statement from your version. */
|
||||
|
||||
|
||||
package gnu.regexp;
|
||||
|
||||
final class RETokenPOSIX extends REToken {
|
||||
int type;
|
||||
boolean insens;
|
||||
boolean negated;
|
||||
|
||||
static final int ALNUM = 0;
|
||||
static final int ALPHA = 1;
|
||||
static final int BLANK = 2;
|
||||
static final int CNTRL = 3;
|
||||
static final int DIGIT = 4;
|
||||
static final int GRAPH = 5;
|
||||
static final int LOWER = 6;
|
||||
static final int PRINT = 7;
|
||||
static final int PUNCT = 8;
|
||||
static final int SPACE = 9;
|
||||
static final int UPPER = 10;
|
||||
static final int XDIGIT = 11;
|
||||
|
||||
// Array indices correspond to constants defined above.
|
||||
static final String[] s_nameTable = {
|
||||
"alnum", "alpha", "blank", "cntrl", "digit", "graph", "lower",
|
||||
"print", "punct", "space", "upper", "xdigit"
|
||||
};
|
||||
|
||||
// The RE constructor uses this to look up the constant for a string
|
||||
static int intValue(String key) {
|
||||
for (int i = 0; i < s_nameTable.length; i++) {
|
||||
if (s_nameTable[i].equals(key)) return i;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
RETokenPOSIX(int subIndex, int type, boolean insens, boolean negated) {
|
||||
super(subIndex);
|
||||
this.type = type;
|
||||
this.insens = insens;
|
||||
this.negated = negated;
|
||||
}
|
||||
|
||||
int getMinimumLength() {
|
||||
return 1;
|
||||
}
|
||||
|
||||
boolean match(CharIndexed input, REMatch mymatch) {
|
||||
char ch = input.charAt(mymatch.index);
|
||||
if (ch == CharIndexed.OUT_OF_BOUNDS)
|
||||
return false;
|
||||
|
||||
boolean retval = false;
|
||||
switch (type) {
|
||||
case ALNUM:
|
||||
// Note that there is some debate over whether '_' should be included
|
||||
retval = Character.isLetterOrDigit(ch) || (ch == '_');
|
||||
break;
|
||||
case ALPHA:
|
||||
retval = Character.isLetter(ch);
|
||||
break;
|
||||
case BLANK:
|
||||
retval = ((ch == ' ') || (ch == '\t'));
|
||||
break;
|
||||
case CNTRL:
|
||||
retval = Character.isISOControl(ch);
|
||||
break;
|
||||
case DIGIT:
|
||||
retval = Character.isDigit(ch);
|
||||
break;
|
||||
case GRAPH:
|
||||
retval = (!(Character.isWhitespace(ch) || Character.isISOControl(ch)));
|
||||
break;
|
||||
case LOWER:
|
||||
retval = ((insens && Character.isLetter(ch)) || Character.isLowerCase(ch));
|
||||
break;
|
||||
case PRINT:
|
||||
retval = (!(Character.isWhitespace(ch) || Character.isISOControl(ch)))
|
||||
|| (ch == ' ');
|
||||
break;
|
||||
case PUNCT:
|
||||
// This feels sloppy, especially for non-U.S. locales.
|
||||
retval = ("`~!@#$%^&*()-_=+[]{}\\|;:'\"/?,.<>".indexOf(ch)!=-1);
|
||||
break;
|
||||
case SPACE:
|
||||
retval = Character.isWhitespace(ch);
|
||||
break;
|
||||
case UPPER:
|
||||
retval = ((insens && Character.isLetter(ch)) || Character.isUpperCase(ch));
|
||||
break;
|
||||
case XDIGIT:
|
||||
retval = (Character.isDigit(ch) || ("abcdefABCDEF".indexOf(ch)!=-1));
|
||||
break;
|
||||
}
|
||||
|
||||
if (negated) retval = !retval;
|
||||
if (retval) {
|
||||
++mymatch.index;
|
||||
return next(input, mymatch);
|
||||
}
|
||||
else return false;
|
||||
}
|
||||
|
||||
void dump(StringBuffer os) {
|
||||
if (negated) os.append('^');
|
||||
os.append("[:" + s_nameTable[type] + ":]");
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue