author | rgoel |
Mon, 11 Mar 2019 17:34:23 +0530 | |
changeset 54054 | 1def2d745747 |
parent 50045 | d9d55f64d136 |
child 55013 | 8dae495a59e7 |
permissions | -rw-r--r-- |
31680 | 1 |
/* |
54054
1def2d745747
8220414: Correct copyright headers in Norm2AllModes.java and Normalizer2.java
rgoel
parents:
50045
diff
changeset
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* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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******************************************************************************* |
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* Copyright (C) 2009-2014, International Business Machines |
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* Corporation and others. All Rights Reserved. |
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******************************************************************************* |
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*/ |
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package sun.text.normalizer; |
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import java.io.IOException; |
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final class Norm2AllModes { |
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// Public API dispatch via Normalizer2 subclasses -------------------------- *** |
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// Normalizer2 implementation for the old UNORM_NONE. |
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public static final class NoopNormalizer2 extends Normalizer2 { |
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@Override |
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public StringBuilder normalize(CharSequence src, StringBuilder dest) { |
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if(dest!=src) { |
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dest.setLength(0); |
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return dest.append(src); |
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} else { |
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throw new IllegalArgumentException(); |
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} |
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} |
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@Override |
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public Appendable normalize(CharSequence src, Appendable dest) { |
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if(dest!=src) { |
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try { |
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return dest.append(src); |
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} catch(IOException e) { |
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throw new InternalError(e.toString(), e); |
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} |
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} else { |
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throw new IllegalArgumentException(); |
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} |
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} |
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@Override |
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public StringBuilder normalizeSecondAndAppend(StringBuilder first, CharSequence second) { |
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if(first!=second) { |
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return first.append(second); |
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} else { |
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throw new IllegalArgumentException(); |
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} |
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} |
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@Override |
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public StringBuilder append(StringBuilder first, CharSequence second) { |
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if(first!=second) { |
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return first.append(second); |
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} else { |
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throw new IllegalArgumentException(); |
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} |
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} |
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@Override |
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public String getDecomposition(int c) { |
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return null; |
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} |
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// No need to override the default getRawDecomposition(). |
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@Override |
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public boolean isNormalized(CharSequence s) { return true; } |
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@Override |
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public int spanQuickCheckYes(CharSequence s) { return s.length(); } |
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@Override |
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public boolean hasBoundaryBefore(int c) { return true; } |
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} |
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// Intermediate class: |
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// Has NormalizerImpl and does boilerplate argument checking and setup. |
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32649
2ee9017c7597
8136583: Core libraries should use blessed modifier order
martin
parents:
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diff
changeset
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public abstract static class Normalizer2WithImpl extends Normalizer2 { |
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public Normalizer2WithImpl(NormalizerImpl ni) { |
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impl=ni; |
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} |
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// normalize |
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@Override |
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public StringBuilder normalize(CharSequence src, StringBuilder dest) { |
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if(dest==src) { |
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throw new IllegalArgumentException(); |
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} |
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dest.setLength(0); |
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normalize(src, new NormalizerImpl.ReorderingBuffer(impl, dest, src.length())); |
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return dest; |
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} |
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@Override |
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public Appendable normalize(CharSequence src, Appendable dest) { |
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if(dest==src) { |
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throw new IllegalArgumentException(); |
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} |
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NormalizerImpl.ReorderingBuffer buffer= |
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new NormalizerImpl.ReorderingBuffer(impl, dest, src.length()); |
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normalize(src, buffer); |
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buffer.flush(); |
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return dest; |
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} |
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protected abstract void normalize(CharSequence src, NormalizerImpl.ReorderingBuffer buffer); |
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// normalize and append |
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@Override |
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public StringBuilder normalizeSecondAndAppend(StringBuilder first, CharSequence second) { |
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return normalizeSecondAndAppend(first, second, true); |
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} |
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@Override |
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public StringBuilder append(StringBuilder first, CharSequence second) { |
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return normalizeSecondAndAppend(first, second, false); |
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} |
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public StringBuilder normalizeSecondAndAppend( |
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StringBuilder first, CharSequence second, boolean doNormalize) { |
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if(first==second) { |
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throw new IllegalArgumentException(); |
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} |
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normalizeAndAppend( |
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second, doNormalize, |
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new NormalizerImpl.ReorderingBuffer(impl, first, first.length()+second.length())); |
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return first; |
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} |
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protected abstract void normalizeAndAppend( |
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CharSequence src, boolean doNormalize, NormalizerImpl.ReorderingBuffer buffer); |
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@Override |
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public String getDecomposition(int c) { |
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return impl.getDecomposition(c); |
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} |
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@Override |
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public int getCombiningClass(int c) { |
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return impl.getCC(impl.getNorm16(c)); |
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} |
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// quick checks |
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@Override |
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public boolean isNormalized(CharSequence s) { |
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return s.length()==spanQuickCheckYes(s); |
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} |
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public final NormalizerImpl impl; |
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} |
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public static final class DecomposeNormalizer2 extends Normalizer2WithImpl { |
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public DecomposeNormalizer2(NormalizerImpl ni) { |
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super(ni); |
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} |
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@Override |
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protected void normalize(CharSequence src, NormalizerImpl.ReorderingBuffer buffer) { |
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impl.decompose(src, 0, src.length(), buffer); |
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} |
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@Override |
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protected void normalizeAndAppend( |
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CharSequence src, boolean doNormalize, NormalizerImpl.ReorderingBuffer buffer) { |
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impl.decomposeAndAppend(src, doNormalize, buffer); |
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} |
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@Override |
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public int spanQuickCheckYes(CharSequence s) { |
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return impl.decompose(s, 0, s.length(), null); |
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} |
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@Override |
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public boolean hasBoundaryBefore(int c) { return impl.hasDecompBoundaryBefore(c); } |
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} |
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public static final class ComposeNormalizer2 extends Normalizer2WithImpl { |
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public ComposeNormalizer2(NormalizerImpl ni, boolean fcc) { |
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super(ni); |
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onlyContiguous=fcc; |
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} |
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@Override |
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protected void normalize(CharSequence src, NormalizerImpl.ReorderingBuffer buffer) { |
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impl.compose(src, 0, src.length(), onlyContiguous, true, buffer); |
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} |
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@Override |
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protected void normalizeAndAppend( |
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CharSequence src, boolean doNormalize, NormalizerImpl.ReorderingBuffer buffer) { |
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impl.composeAndAppend(src, doNormalize, onlyContiguous, buffer); |
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} |
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@Override |
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public boolean isNormalized(CharSequence s) { |
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// 5: small destCapacity for substring normalization |
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return impl.compose(s, 0, s.length(), |
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onlyContiguous, false, |
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new NormalizerImpl.ReorderingBuffer(impl, new StringBuilder(), 5)); |
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} |
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@Override |
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public int spanQuickCheckYes(CharSequence s) { |
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return impl.composeQuickCheck(s, 0, s.length(), onlyContiguous, true)>>>1; |
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} |
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@Override |
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public boolean hasBoundaryBefore(int c) { return impl.hasCompBoundaryBefore(c); } |
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private final boolean onlyContiguous; |
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} |
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// instance cache ---------------------------------------------------------- *** |
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private Norm2AllModes(NormalizerImpl ni) { |
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impl=ni; |
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comp=new ComposeNormalizer2(ni, false); |
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decomp=new DecomposeNormalizer2(ni); |
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} |
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public final NormalizerImpl impl; |
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public final ComposeNormalizer2 comp; |
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public final DecomposeNormalizer2 decomp; |
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private static Norm2AllModes getInstanceFromSingleton(Norm2AllModesSingleton singleton) { |
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if(singleton.exception!=null) { |
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throw singleton.exception; |
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} |
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return singleton.allModes; |
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} |
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public static Norm2AllModes getNFCInstance() { |
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return getInstanceFromSingleton(NFCSingleton.INSTANCE); |
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} |
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public static Norm2AllModes getNFKCInstance() { |
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return getInstanceFromSingleton(NFKCSingleton.INSTANCE); |
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} |
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public static final NoopNormalizer2 NOOP_NORMALIZER2=new NoopNormalizer2(); |
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private static final class Norm2AllModesSingleton { |
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private Norm2AllModesSingleton(String name) { |
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try { |
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String DATA_FILE_NAME = "/sun/text/resources/" + name + ".icu"; |
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NormalizerImpl impl=new NormalizerImpl().load(DATA_FILE_NAME); |
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allModes=new Norm2AllModes(impl); |
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} catch (RuntimeException e) { |
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exception=e; |
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} |
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} |
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private Norm2AllModes allModes; |
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private RuntimeException exception; |
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} |
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private static final class NFCSingleton { |
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private static final Norm2AllModesSingleton INSTANCE=new Norm2AllModesSingleton("nfc"); |
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} |
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private static final class NFKCSingleton { |
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private static final Norm2AllModesSingleton INSTANCE=new Norm2AllModesSingleton("nfkc"); |
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} |
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} |