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perf:优化isSubEquals方法，去除toString()防止拷贝

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This commit is contained in:
LettuceLeaves 2025-11-19 00:20:56 +08:00
parent 7e8fd78377
commit 1bba40a32f
1 changed files with 28 additions and 1 deletions
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29
hutool-core/src/main/java/cn/hutool/v7/core/text/CharSequenceUtil.java
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@ -2416,8 +2416,35 @@ public class CharSequenceUtil extends StrValidator {
if (null == str1 || null == str2) {
return false;
}
if (str1 instanceof String && str2 instanceof String) {
return ((String) str1).regionMatches(ignoreCase, offset1, (String) str2, offset2, length);
}
if (offset1 < 0 || offset2 < 0 || length < 0) {
return false;
}
if (str1.length() - offset1 < length || str2.length() - offset2 < length) {
return false;
}
for (int i = 0; i < length; i++) {
final char c1 = str1.charAt(offset1 + i);
final char c2 = str2.charAt(offset2 + i);
if (c1 == c2) {
continue;
}
if (ignoreCase) {
final char u1 = Character.toUpperCase(c1);
final char u2 = Character.toUpperCase(c2);
if (u1 == u2) {
continue;
}
if (Character.toLowerCase(u1) == Character.toLowerCase(u2)) {
continue;
}
}
return false;
}
return str1.toString().regionMatches(ignoreCase, offset1, str2.toString(), offset2, length);
return true;
}
// endregion