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/*
* Copyright (c) 2013-2015 Mozilla Foundation
*
* 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 nu.validator.encoding;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.CoderResult;
public final class FallibleSingleByteDecoder extends InfallibleSingleByteDecoder {
public FallibleSingleByteDecoder(Encoding cs, char[] upperHalf) {
super(cs, upperHalf);
}
@Override protected CoderResult decodeLoop(ByteBuffer in, CharBuffer out) {
if (!this.report) {
return super.decodeLoop(in, out);
} else {
for (;;) {
if (!in.hasRemaining()) {
return CoderResult.UNDERFLOW;
}
if (!out.hasRemaining()) {
return CoderResult.OVERFLOW;
}
int b = (int) in.get();
if (b >= 0) {
out.put((char) b);
} else {
char mapped = this.upperHalf[b + 128];
if (mapped == '\uFFFD') {
in.position(in.position() - 1);
return CoderResult.malformedForLength(1);
}
out.put(mapped);
}
}
}
}
}
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