author | naoto |
Tue, 15 Oct 2019 09:25:59 -0700 | |
changeset 58603 | 2312d1a04c49 |
parent 58288 | 48e480e56aad |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2000, 2019, 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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package java.text; |
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import java.util.ArrayList; |
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/** |
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* CharacterIteratorFieldDelegate combines the notifications from a Format |
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8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
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* into a resulting {@code AttributedCharacterIterator}. The resulting |
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
47216
diff
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* {@code AttributedCharacterIterator} can be retrieved by way of |
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
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* the {@code getIterator} method. |
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* |
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*/ |
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class CharacterIteratorFieldDelegate implements Format.FieldDelegate { |
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/** |
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* Array of AttributeStrings. Whenever {@code formatted} is invoked |
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* for a region > size, a new instance of AttributedString is added to |
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8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
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* attributedStrings. Subsequent invocations of {@code formatted} |
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* for existing regions result in invoking addAttribute on the existing |
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* AttributedStrings. |
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*/ |
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private ArrayList<AttributedString> attributedStrings; |
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/** |
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* Running count of the number of characters that have |
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* been encountered. |
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*/ |
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private int size; |
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CharacterIteratorFieldDelegate() { |
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attributedStrings = new ArrayList<>(); |
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} |
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public void formatted(Format.Field attr, Object value, int start, int end, |
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StringBuffer buffer) { |
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if (start != end) { |
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if (start < size) { |
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// Adjust attributes of existing runs |
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int index = size; |
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int asIndex = attributedStrings.size() - 1; |
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while (start < index) { |
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AttributedString as = attributedStrings. |
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get(asIndex--); |
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int newIndex = index - as.length(); |
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int aStart = Math.max(0, start - newIndex); |
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as.addAttribute(attr, value, aStart, Math.min( |
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end - start, as.length() - aStart) + |
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aStart); |
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index = newIndex; |
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} |
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} |
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if (size < start) { |
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// Pad attributes |
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attributedStrings.add(new AttributedString( |
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buffer.substring(size, start))); |
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size = start; |
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} |
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if (size < end) { |
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// Add new string |
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int aStart = Math.max(start, size); |
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AttributedString string = new AttributedString( |
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buffer.substring(aStart, end)); |
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string.addAttribute(attr, value); |
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attributedStrings.add(string); |
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size = end; |
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} |
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} |
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} |
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public void formatted(int fieldID, Format.Field attr, Object value, |
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int start, int end, StringBuffer buffer) { |
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formatted(attr, value, start, end, buffer); |
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} |
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/** |
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8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
47216
diff
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* Returns an {@code AttributedCharacterIterator} that can be used |
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* to iterate over the resulting formatted String. |
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* |
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* @pararm string Result of formatting. |
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*/ |
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public AttributedCharacterIterator getIterator(String string) { |
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// Add the last AttributedCharacterIterator if necessary |
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// assert(size <= string.length()); |
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if (string.length() > size) { |
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attributedStrings.add(new AttributedString( |
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string.substring(size))); |
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size = string.length(); |
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} |
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int iCount = attributedStrings.size(); |
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AttributedCharacterIterator iterators[] = new |
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AttributedCharacterIterator[iCount]; |
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for (int counter = 0; counter < iCount; counter++) { |
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iterators[counter] = attributedStrings. |
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get(counter).getIterator(); |
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} |
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return new AttributedString(iterators).getIterator(); |
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} |
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} |