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优化NbtReader的read_int_array和read_long_array方法实现

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This commit is contained in:
shenjack 2024-03-06 23:33:14 +08:00
parent 1dee92147d
commit 9e57447ab2
Signed by: shenjack
GPG Key ID: 7B1134A979775551
1 changed files with 8 additions and 8 deletions
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16
shen-nbt5/src/lib.rs
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@ -80,16 +80,16 @@ impl NbtReader<'_> {
value.into_owned()
}
pub fn read_int_array(&mut self, len: usize) -> &[i32] {
let datas = self.read_u8_array(len * 4);
let value = unsafe {
std::slice::from_raw_parts(datas.as_ptr() as *const i32, len)
};
unsafe {
self.cursor += len * 4;
std::slice::from_raw_parts(self.data[self.cursor..].as_ptr() as *const i32, len)
}
}
pub fn read_long_array(&mut self, len: usize) -> &[i64] {
let datas = self.read_u8_array(len * 8);
let value = unsafe {
std::slice::from_raw_parts(datas.as_ptr() as *const i64, len)
};
unsafe {
self.cursor += len * 8;
std::slice::from_raw_parts(self.data[self.cursor..].as_ptr() as *const i64, len)
}
}
}