package com.mbridge.msdk.thrid.okio;
/* loaded from: classes5.dex */
public final class Utf8 {
    private Utf8() {
    }

    public static long size(String str) {
        return size(str, 0, str.length());
    }

    public static long size(String str, int i, int i2) {
        long j;
        if (str != null) {
            if (i >= 0) {
                if (i2 < i) {
                    throw new IllegalArgumentException("endIndex < beginIndex: " + i2 + " < " + i);
                }
                if (i2 <= str.length()) {
                    long j2 = 0;
                    while (i < i2) {
                        char charAt = str.charAt(i);
                        if (charAt < 128) {
                            j2++;
                        } else {
                            if (charAt < 2048) {
                                j = 2;
                            } else if (charAt < 55296 || charAt > 57343) {
                                j = 3;
                            } else {
                                int i3 = i + 1;
                                char charAt2 = i3 < i2 ? str.charAt(i3) : (char) 0;
                                if (charAt > 56319 || charAt2 < 56320 || charAt2 > 57343) {
                                    j2++;
                                    i = i3;
                                } else {
                                    j2 += 4;
                                    i += 2;
                                }
                            }
                            j2 += j;
                        }
                        i++;
                    }
                    return j2;
                }
                throw new IllegalArgumentException("endIndex > string.length: " + i2 + " > " + str.length());
            }
            throw new IllegalArgumentException("beginIndex < 0: " + i);
        }
        throw new IllegalArgumentException("string == null");
    }
}