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Slice.java
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61 lines (50 loc) · 1.4 KB
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package com.jsoniter;
public class Slice {
public byte[] data;
public int head;
public int len;
public Slice(byte[] data, int head, int len) {
this.data = data;
this.head = head;
this.len = len;
}
public static Slice make(int len, int cap) {
return new Slice(new byte[cap], 0, len);
}
public static Slice make(String str) {
byte[] data = str.getBytes();
return new Slice(data, 0, data.length);
}
public final void append(byte c) {
if (len == data.length) {
byte[] newData = new byte[data.length * 2];
System.arraycopy(data, 0, newData, 0, data.length);
data = newData;
}
data[len++] = c;
}
public final byte at(int pos) {
return data[head+pos];
}
@Override
public final boolean equals(Object o) {
Slice slice = (Slice) o;
if (len != slice.len) return false;
for (int i = head, j = slice.head; i < head+len; i++, j++)
if (data[i] != slice.data[j])
return false;
return true;
}
@Override
public final int hashCode() {
int result = 1;
for (int i = head; i < head+len; i++) {
result = 31 * result + data[i];
}
return result;
}
@Override
public final String toString() {
return new String(data, head, len);
}
}