com.iohao.game.common.kit.adapter.HuCharFinder Maven / Gradle / Ivy
package com.iohao.game.common.kit.adapter;
import java.io.Serial;
/**
* @author 渔民小镇
* @date 2023-01-19
*/
class HuCharFinder extends HuTextFinder {
@Serial
private static final long serialVersionUID = 1L;
private final char c;
private final boolean caseInsensitive;
/**
* 构造，不忽略字符大小写
*
* @param c 被查找的字符
*/
public HuCharFinder(char c) {
this(c, false);
}
/**
* 构造
*
* @param c 被查找的字符
* @param caseInsensitive 是否忽略大小写
*/
public HuCharFinder(char c, boolean caseInsensitive) {
this.c = c;
this.caseInsensitive = caseInsensitive;
}
@Override
public int start(int from) {
HuAssert.notNull(this.text, "Text to find must be not null!");
final int limit = getValidEndIndex();
if (negative) {
for (int i = from; i > limit; i--) {
if (HuCharUtil.equals(c, text.charAt(i), caseInsensitive)) {
return i;
}
}
} else {
for (int i = from; i < limit; i++) {
if (HuCharUtil.equals(c, text.charAt(i), caseInsensitive)) {
return i;
}
}
}
return -1;
}
@Override
public int end(int start) {
if (start < 0) {
return -1;
}
return start + 1;
}
}