/*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.jcodings;
public abstract class CanBeTrailTableEncoding extends MultiByteEncoding {
protected final boolean[] CanBeTrailTable;
protected CanBeTrailTableEncoding(String name, int minLength, int maxLength, int[]EncLen, int[][]Trans, short[]CTypeTable, boolean[]CanBeTrailTable) {
super(name, minLength, maxLength, EncLen, Trans, CTypeTable);
this.CanBeTrailTable = CanBeTrailTable;
}
@Override
public int leftAdjustCharHead(byte[]bytes, int p, int s, int end) {
if (s <= p) return s;
int p_ = s;
if (CanBeTrailTable[bytes[p_] & 0xff]) {
while (p_ > p) {
if (!(EncLen[bytes[--p_] & 0xff] > 1)) {
p_++;
break;
}
}
}
int len = length(bytes, p_, end);
if (p_ + len > s) return p_;
p_ += len;
return p_ + ((s - p_) & ~1);
}
@Override
public boolean isReverseMatchAllowed(byte[]bytes, int p, int end) {
return !CanBeTrailTable[bytes[p] & 0xff];
}
}