Files
scrcpy/server/src/main/java/com/genymobile/scrcpy/StringUtils.java
Romain Vimont 5031b2c8ff Remove MagicNumber checkstyle
There are a lot of "magic numbers" that we really don't want to extract
as a constant.

Until now, many @SuppressWarnings annotations were added, but it makes
no sense to check for magic number if we silent the warnings everywhere.
2020-03-28 22:08:16 +01:00

23 lines
679 B
Java

package com.genymobile.scrcpy;
public final class StringUtils {
private StringUtils() {
// not instantiable
}
public static int getUtf8TruncationIndex(byte[] utf8, int maxLength) {
int len = utf8.length;
if (len <= maxLength) {
return len;
}
len = maxLength;
// see UTF-8 encoding <https://en.wikipedia.org/wiki/UTF-8#Description>
while ((utf8[len] & 0x80) != 0 && (utf8[len] & 0xc0) != 0xc0) {
// the next byte is not the start of a new UTF-8 codepoint
// so if we would cut there, the character would be truncated
len--;
}
return len;
}
}