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/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.spellchecker.inspections;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.progress.ProcessCanceledException;
import com.intellij.openapi.progress.ProgressIndicatorProvider;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.util.Consumer;
import com.intellij.util.SmartList;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.text.CharacterIterator;
import java.text.StringCharacterIterator;
import java.util.Collections;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public abstract class BaseSplitter implements Splitter {
public static final int MIN_RANGE_LENGTH = 3;
protected static void addWord(@NotNull Consumer<? super TextRange> consumer, boolean ignore, @Nullable TextRange found) {
if (found == null || ignore) {
return;
}
boolean tooShort = (found.getEndOffset() - found.getStartOffset()) <= MIN_RANGE_LENGTH;
if (tooShort) {
return;
}
consumer.consume(found);
}
protected static boolean isAllWordsAreUpperCased(@NotNull String text, @NotNull List<? extends TextRange> words) {
for (TextRange word : words) {
CharacterIterator it = new StringCharacterIterator(text, word.getStartOffset(), word.getEndOffset(), word.getStartOffset());
for (char c = it.first(); c != CharacterIterator.DONE; c = it.next()) {
if (!Character.isUpperCase(c)) {
return false;
}
}
}
return true;
}
protected static boolean containsShortWord(@NotNull List<? extends TextRange> words) {
for (TextRange word : words) {
if (word.getLength() < MIN_RANGE_LENGTH) {
return true;
}
}
return false;
}
@NotNull
protected static TextRange matcherRange(@NotNull TextRange range, @NotNull Matcher matcher) {
return subRange(range, matcher.start(), matcher.end());
}
@NotNull
protected static TextRange matcherRange(@NotNull TextRange range, @NotNull Matcher matcher, int group) {
return subRange(range, matcher.start(group), matcher.end(group));
}
@NotNull
protected static TextRange subRange(@NotNull TextRange range, int start, int end) {
return TextRange.from(range.getStartOffset() + start, end - start);
}
protected static boolean badSize(int from, int till) {
int l = till - from;
return l <= MIN_RANGE_LENGTH;
}
@NotNull
static protected List<TextRange> excludeByPattern(String text, TextRange range, @NotNull Pattern toExclude, int groupToInclude) {
List<TextRange> toCheck = new SmartList<>();
int from = range.getStartOffset();
int till;
boolean addLast = true;
Matcher matcher = toExclude.matcher(StringUtil.newBombedCharSequence(range.substring(text), 500));
try {
while (matcher.find()) {
checkCancelled();
TextRange found = matcherRange(range, matcher);
till = found.getStartOffset();
if (range.getEndOffset() - found.getEndOffset() < MIN_RANGE_LENGTH) {
addLast = false;
}
if (!badSize(from, till)) {
toCheck.add(new TextRange(from, till));
}
if (groupToInclude > 0) {
TextRange contentFound = matcherRange(range, matcher, groupToInclude);
if (badSize(contentFound.getEndOffset(), contentFound.getStartOffset())) {
toCheck.add(TextRange.create(contentFound));
}
}
from = found.getEndOffset();
}
till = range.getEndOffset();
if (badSize(from, till)) {
return toCheck;
}
if (addLast) {
toCheck.add(new TextRange(from, till));
}
return toCheck;
}
catch (ProcessCanceledException e) {
return Collections.singletonList(range);
}
}
public static void checkCancelled() {
if (ApplicationManager.getApplication() != null) {
ProgressIndicatorProvider.checkCanceled();
}
}
}
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