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notnull

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This commit is contained in:
Alexey Kudravtsev
2015-07-07 13:48:00 +03:00
parent 9576593064
commit acdb030cf7
1 changed files with 29 additions and 19 deletions
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platform/util/src/com/intellij/openapi/util/text/LineTokenizer.java
+29 -19
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2000-2011 JetBrains s.r.o.
* 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.
@@ -17,32 +17,37 @@ package com.intellij.openapi.util.text;
import com.intellij.util.ArrayUtil;
import com.intellij.util.text.CharArrayCharSequence;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class LineTokenizer {
private int myOffset = 0;
private int myLength = 0;
private int myLineSeparatorLength = 0;
private boolean atEnd = false;
private CharSequence myText;
private int myOffset;
private int myLength;
private int myLineSeparatorLength;
private boolean atEnd;
private final CharSequence myText;
@NotNull
public static String[] tokenize(CharSequence chars, boolean includeSeparators) {
return tokenize(chars, includeSeparators, true);
}
private static String[] tokenize(final CharSequence chars, final boolean includeSeparators, final boolean skipLastEmptyLine) {
@NotNull
private static String[] tokenize(CharSequence chars, final boolean includeSeparators, final boolean skipLastEmptyLine) {
final List<String> strings = tokenizeIntoList(chars, includeSeparators, skipLastEmptyLine);
return strings.isEmpty() ? ArrayUtil.EMPTY_STRING_ARRAY : ArrayUtil.toStringArray(strings);
}
public static List<String> tokenizeIntoList(final CharSequence chars, final boolean includeSeparators) {
@NotNull
public static List<String> tokenizeIntoList(CharSequence chars, final boolean includeSeparators) {
return tokenizeIntoList(chars, includeSeparators, true);
}
public static List<String> tokenizeIntoList(final CharSequence chars, final boolean includeSeparators, final boolean skipLastEmptyLine) {
@NotNull
public static List<String> tokenizeIntoList(CharSequence chars, final boolean includeSeparators, final boolean skipLastEmptyLine) {
if (chars == null || chars.length() == 0){
return Collections.emptyList();
}
@@ -67,9 +72,10 @@ public class LineTokenizer {
return lines;
}
public static int calcLineCount(final CharSequence chars, final boolean skipLastEmptyLine) {
public static int calcLineCount(@NotNull CharSequence chars, final boolean skipLastEmptyLine) {
int lineCount = 0;
if (chars != null && chars.length() != 0) {
if (chars.length() != 0) {
final LineTokenizer tokenizer = new LineTokenizer(chars);
while (!tokenizer.atEnd()) {
lineCount += 1;
@@ -82,34 +88,38 @@ public class LineTokenizer {
return lineCount;
}
public static String[] tokenize(char[] chars, boolean includeSeparators) {
@NotNull
public static String[] tokenize(@NotNull char[] chars, boolean includeSeparators) {
return tokenize(chars, includeSeparators, true);
}
public static String[] tokenize(char[] chars, boolean includeSeparators, boolean skipLastEmptyLine) {
@NotNull
public static String[] tokenize(@NotNull char[] chars, boolean includeSeparators, boolean skipLastEmptyLine) {
return tokenize(chars, 0, chars.length, includeSeparators, skipLastEmptyLine);
}
public static String[] tokenize(char[] chars, int startOffset, int endOffset, boolean includeSeparators,
@NotNull
public static String[] tokenize(@NotNull char[] chars, int startOffset, int endOffset, boolean includeSeparators,
boolean skipLastEmptyLine) {
return tokenize(new CharArrayCharSequence(chars, startOffset, endOffset), includeSeparators, skipLastEmptyLine);
}
private static boolean stringEndsWithSeparator(LineTokenizer tokenizer) {
private static boolean stringEndsWithSeparator(@NotNull LineTokenizer tokenizer) {
return tokenizer.getLineSeparatorLength() > 0;
}
public static String[] tokenize(char[] chars, int startOffset, int endOffset, boolean includeSeparators) {
@NotNull
public static String[] tokenize(@NotNull char[] chars, int startOffset, int endOffset, boolean includeSeparators) {
return tokenize(chars, startOffset, endOffset, includeSeparators, true);
}
public LineTokenizer(CharSequence text) {
public LineTokenizer(@NotNull CharSequence text) {
myText = text;
myOffset = 0;
advance();
}
public LineTokenizer(char[] text, int startOffset, int endOffset) {
public LineTokenizer(@NotNull char[] text, int startOffset, int endOffset) {
this(new CharArrayCharSequence(text, startOffset, endOffset));
}
@@ -142,7 +152,7 @@ public class LineTokenizer {
i++;
}
myOffset = myOffset + myLength + myLineSeparatorLength;
myOffset += myLength + myLineSeparatorLength;
myLength = i - myOffset;
myLineSeparatorLength = 0;