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/*
* Copyright 2014 - 2021 Blazebit.
*
* 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.blazebit.persistence.parser;
/**
*
* @author Christian Beikov
* @since 1.5.0
*/
public final class CharSequenceUtils {
private CharSequenceUtils() {
}
public static int lastIndexOf(CharSequence charSequence, char c) {
return lastIndexOf(charSequence, c, 0, charSequence.length() - 1);
}
public static int lastIndexOf(CharSequence charSequence, char c, int fromIndex, int endIndex) {
if (charSequence instanceof String) {
int idx = ((String) charSequence).lastIndexOf(c, endIndex);
if (idx < fromIndex) {
return -1;
}
return idx;
} else if (charSequence instanceof SubSequence) {
int idx = ((SubSequence) charSequence).lastIndexOf(c, fromIndex, endIndex);
if (idx == -1) {
return -1;
}
return idx;
} else {
return lastIndexOf(charSequence.toString(), c, fromIndex, endIndex);
}
}
public static int indexOf(CharSequence charSequence, char c) {
return indexOf(charSequence, c, 0);
}
public static int indexOf(CharSequence charSequence, char c, int fromIndex) {
return indexOf(charSequence, c, fromIndex, charSequence.length() - 1);
}
public static int indexOf(CharSequence charSequence, char c, int fromIndex, int endIndex) {
if (charSequence instanceof String) {
int idx = ((String) charSequence).indexOf(c, fromIndex);
if (idx > endIndex) {
return -1;
}
return idx;
} else if (charSequence instanceof SubSequence) {
int idx = ((SubSequence) charSequence).indexOf(c, fromIndex, endIndex);
if (idx == -1) {
return -1;
}
return idx;
} else {
return indexOf(charSequence.toString(), c, fromIndex, endIndex);
}
}
public static int indexOf(CharSequence charSequence, String target, int fromIndex) {
return indexOf(charSequence, target, fromIndex, charSequence.length() - 1);
}
public static int indexOf(CharSequence charSequence, String target, int fromIndex, int endIndex) {
if (charSequence instanceof String) {
int idx = ((String) charSequence).indexOf(target, fromIndex);
if (idx > endIndex) {
return -1;
}
return idx;
} else if (charSequence instanceof SubSequence) {
int idx = ((SubSequence) charSequence).indexOf(target, fromIndex, endIndex);
if (idx == -1) {
return -1;
}
return idx;
} else {
return indexOf(charSequence.toString(), target, fromIndex, endIndex);
}
}
}
