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调整一下，把多余的东西去掉

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This commit is contained in:
shenjack 2024-01-13 18:22:10 +08:00
parent 1ee6336145
commit 6a3ac291a4
Signed by: shenjack
GPG Key ID: 7B1134A979775551
15 changed files with 32 additions and 379 deletions
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7
.vscode/settings.json vendored Normal file
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@ -0,0 +1,7 @@
{
"rust-analyzer.linkedProjects": [
"crates/shen-nbt1/Cargo.toml",
"crates/shen-nbt2/Cargo.toml",
"crates/shen-nbt3/Cargo.toml",
]
}

0
v1/Cargo.toml → crates/shen-nbt1/Cargo.toml
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0
v1/LICENSE → crates/shen-nbt1/LICENSE
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0
v1/src/data.rs → crates/shen-nbt1/src/data.rs
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0
v1/src/main.rs → crates/shen-nbt1/src/main.rs
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0
v1/src/read.rs → crates/shen-nbt1/src/read.rs
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0
v1/src/rustfmt.toml → crates/shen-nbt1/src/rustfmt.toml
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0
v2/Cargo.toml → crates/shen-nbt2/Cargo.toml
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2
v2/src/data_struct.rs → crates/shen-nbt2/src/lib.rs
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@ -1,4 +1,4 @@
use std::{borrow::Cow};
use std::borrow::Cow;
#[cfg(feature = "internal_opt")]
use std::intrinsics::unlikely;

0
v2/src/rustfmt.toml → crates/shen-nbt2/src/rustfmt.toml
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0
v3/Cargo.toml → crates/shen-nbt3/Cargo.toml
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86
v3/src/data_struct.rs → crates/shen-nbt3/src/lib.rs
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@ -1,83 +1,45 @@
use std::{borrow::Cow};
use std::borrow::Cow;
#[cfg(feature = "internal_opt")]
use std::intrinsics::unlikely;
pub struct NbtData {
pub head: usize,
pub data: Vec<u8>,
use byte::{BytesExt, BE};
pub struct NbtData<'value> {
pub offset: usize,
pub data: &'value mut [u8],
}
impl NbtData {
pub fn new(data: Vec<u8>) -> Self { Self { head: 0, data } }
impl<'value> NbtData<'value> {
pub fn new(data: &'value mut [u8]) -> Self { Self { offset: 0, data } }
pub fn get_mut(&mut self) -> &mut [u8] {
let (_, data) = self.data.split_at_mut(self.head);
let (_, data) = self.data.split_at_mut(self.offset);
data
}
pub fn push_head(&mut self, length: usize) -> usize {
self.head += length;
self.head
self.offset += length;
self.offset
}
pub fn read_byte(&mut self) -> i8 {
let value = self.data[self.head] as i8;
self.head += 1;
value
self.data.read_with::<i8>(&mut self.offset, BE).unwrap()
}
pub fn read_short(&mut self) -> i16 {
let value = i16::from_be_bytes([self.data[self.head], self.data[self.head + 1]]);
self.head += 2;
value
self.data.read_with::<i16>(&mut self.offset, BE).unwrap()
}
pub fn read_int(&mut self) -> i32 {
let value = i32::from_be_bytes([
self.data[self.head],
self.data[self.head + 1],
self.data[self.head + 2],
self.data[self.head + 3],
]);
self.head += 4;
value
self.data.read_with::<i32>(&mut self.offset, BE).unwrap()
}
pub fn read_long(&mut self) -> i64 {
let value = i64::from_be_bytes([
self.data[self.head],
self.data[self.head + 1],
self.data[self.head + 2],
self.data[self.head + 3],
self.data[self.head + 4],
self.data[self.head + 5],
self.data[self.head + 6],
self.data[self.head + 7],
]);
self.head += 8;
value
self.data.read_with::<i64>(&mut self.offset, BE).unwrap()
}
pub fn read_float(&mut self) -> f32 {
let value = f32::from_be_bytes([
self.data[self.head],
self.data[self.head + 1],
self.data[self.head + 2],
self.data[self.head + 3],
]);
self.head += 4;
value
self.data.read_with::<f32>(&mut self.offset, BE).unwrap()
}
pub fn read_double(&mut self) -> f64 {
let value = f64::from_be_bytes([
self.data[self.head],
self.data[self.head + 1],
self.data[self.head + 2],
self.data[self.head + 3],
self.data[self.head + 4],
self.data[self.head + 5],
self.data[self.head + 6],
self.data[self.head + 7],
]);
self.head += 8;
value
self.data.read_with::<f64>(&mut self.offset, BE).unwrap()
}
pub fn read_bytes(&mut self, length: usize) -> Vec<u8> {
let value = self.data[self.head..self.head + length].to_vec();
self.head += length;
let value = self.data[self.offset..self.offset + length].to_vec();
self.offset += length;
value
}
}
@ -469,13 +431,13 @@ impl<'value> Value<'value> {
_ => None,
}
}
pub fn from_vec(data: Vec<u8>) -> Self {
let mut nbt_data = NbtData::new(data);
pub fn from_vec(mut data: Vec<u8>) -> Self {
let mut nbt_data = NbtData::new(&mut data[..]);
let _type_id = nbt_data.read_byte();
let _name_len = nbt_data.read_short();
println!("{} {}", _type_id, _name_len);
let name = String::from_utf8(nbt_data.read_bytes(_name_len as usize)).unwrap();
println!("{}", name);
// println!("{} {}", _type_id, _name_len);
let _name = String::from_utf8(nbt_data.read_bytes(_name_len as usize)).unwrap();
// println!("{}", _name);
Value::read_compound(&mut nbt_data)
}
}

0
v3/src/rustfmt.toml → crates/shen-nbt3/src/rustfmt.toml
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158
v2/src/main.rs
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@ -1,158 +0,0 @@
#![feature(core_intrinsics)]
mod data_struct;
fn main() {
// small_read_test();
// big_read_test();
cli_read_test();
}
fn cli_read_test() {
let mut args = std::env::args();
// 如果有, 取出
if let Some(arg) = args.nth(1) {
let data = std::fs::read(arg).unwrap();
read_test(data);
} else {
println!("Usage: cargo run --release -- <file>");
}
}
fn small_read_test() {
let data: [u8; 0x21] = [
0x0A, 0x00, 0x0B, 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x08,
0x00, 0x04, 0x6E, 0x61, 0x6D, 0x65, 0x00, 0x09, 0x42, 0x61, 0x6E, 0x61, 0x6E, 0x72, 0x61,
0x6D, 0x61, 0x00,
];
read_test(data.to_vec());
}
fn big_read_test() {
let data: [u8; 0x608] = [
0x0A, 0x00, 0x05, 0x4C, 0x65, 0x76, 0x65, 0x6C, 0x04, 0x00, 0x08, 0x6C, 0x6F, 0x6E, 0x67,
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0x42, 0x08, 0x3C, 0x16, 0x5E, 0x4C, 0x44, 0x46, 0x52, 0x04, 0x24, 0x4E, 0x1E, 0x5C, 0x40,
0x2E, 0x26, 0x28, 0x34, 0x4A, 0x06, 0x30, 0x06, 0x00, 0x0A, 0x64, 0x6F, 0x75, 0x62, 0x6C,
0x65, 0x54, 0x65, 0x73, 0x74, 0x3F, 0xDF, 0x8F, 0x6B, 0xBB, 0xFF, 0x6A, 0x5E, 0x00,
];
read_test(data.to_vec());
}
fn read_test(data: Vec<u8>) {
let len = data.len();
println!("file size: {}", len);
let start_time = std::time::Instant::now();
let _data = data_struct::Value::from_vec(data);
let end_time = std::time::Instant::now();
println!("===local nbt===");
println!("time: {:?}", end_time - start_time);
println!("speed: {:?} (bytes/sec)", len as f64 / (end_time - start_time).as_secs_f64());
println!("{:?} (kb/sec)", len as f64 / (end_time - start_time).as_secs_f64() / 1024.0);
println!(
"{:?} (mb/sec)",
len as f64 / (end_time - start_time).as_secs_f64() / 1024.0 / 1024.0
);
println!(
"{:?} (gb/sec)",
len as f64 / (end_time - start_time).as_secs_f64() / 1024.0 / 1024.0 / 1024.0
);
// println!("{:?}", data);
}

158
v3/src/main.rs
View File

@ -1,158 +0,0 @@
#![feature(core_intrinsics)]
mod data_struct;
fn main() {
// small_read_test();
// big_read_test();
cli_read_test();
}
fn cli_read_test() {
let mut args = std::env::args();
// 如果有, 取出
if let Some(arg) = args.nth(1) {
let data = std::fs::read(arg).unwrap();
read_test(data);
} else {
println!("Usage: cargo run --release -- <file>");
}
}
fn small_read_test() {
let data: [u8; 0x21] = [
0x0A, 0x00, 0x0B, 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x08,
0x00, 0x04, 0x6E, 0x61, 0x6D, 0x65, 0x00, 0x09, 0x42, 0x61, 0x6E, 0x61, 0x6E, 0x72, 0x61,
0x6D, 0x61, 0x00,
];
read_test(data.to_vec());
}
fn big_read_test() {
let data: [u8; 0x608] = [
0x0A, 0x00, 0x05, 0x4C, 0x65, 0x76, 0x65, 0x6C, 0x04, 0x00, 0x08, 0x6C, 0x6F, 0x6E, 0x67,
0x54, 0x65, 0x73, 0x74, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x02, 0x00, 0x09,
0x73, 0x68, 0x6F, 0x72, 0x74, 0x54, 0x65, 0x73, 0x74, 0x7F, 0xFF, 0x08, 0x00, 0x0A, 0x73,
0x74, 0x72, 0x69, 0x6E, 0x67, 0x54, 0x65, 0x73, 0x74, 0x00, 0x29, 0x48, 0x45, 0x4C, 0x4C,
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0xC3, 0x85, 0xC3, 0x84, 0xC3, 0x96, 0x21, 0x05, 0x00, 0x09, 0x66, 0x6C, 0x6F, 0x61, 0x74,
0x54, 0x65, 0x73, 0x74, 0x3E, 0xFF, 0x18, 0x32, 0x03, 0x00, 0x07, 0x69, 0x6E, 0x74, 0x54,
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0x60, 0x58, 0x5A, 0x02, 0x18, 0x38, 0x62, 0x32, 0x0C, 0x54, 0x42, 0x3A, 0x3C, 0x48, 0x5E,
0x1A, 0x44, 0x14, 0x52, 0x36, 0x24, 0x1C, 0x1E, 0x2A, 0x40, 0x60, 0x26, 0x5A, 0x34, 0x18,
0x06, 0x62, 0x00, 0x0C, 0x22, 0x42, 0x08, 0x3C, 0x16, 0x5E, 0x4C, 0x44, 0x46, 0x52, 0x04,
0x24, 0x4E, 0x1E, 0x5C, 0x40, 0x2E, 0x26, 0x28, 0x34, 0x4A, 0x06, 0x30, 0x00, 0x3E, 0x22,
0x10, 0x08, 0x0A, 0x16, 0x2C, 0x4C, 0x12, 0x46, 0x20, 0x04, 0x56, 0x4E, 0x50, 0x5C, 0x0E,
0x2E, 0x58, 0x28, 0x02, 0x4A, 0x38, 0x30, 0x32, 0x3E, 0x54, 0x10, 0x3A, 0x0A, 0x48, 0x2C,
0x1A, 0x12, 0x14, 0x20, 0x36, 0x56, 0x1C, 0x50, 0x2A, 0x0E, 0x60, 0x58, 0x5A, 0x02, 0x18,
0x38, 0x62, 0x32, 0x0C, 0x54, 0x42, 0x3A, 0x3C, 0x48, 0x5E, 0x1A, 0x44, 0x14, 0x52, 0x36,
0x24, 0x1C, 0x1E, 0x2A, 0x40, 0x60, 0x26, 0x5A, 0x34, 0x18, 0x06, 0x62, 0x00, 0x0C, 0x22,
0x42, 0x08, 0x3C, 0x16, 0x5E, 0x4C, 0x44, 0x46, 0x52, 0x04, 0x24, 0x4E, 0x1E, 0x5C, 0x40,
0x2E, 0x26, 0x28, 0x34, 0x4A, 0x06, 0x30, 0x06, 0x00, 0x0A, 0x64, 0x6F, 0x75, 0x62, 0x6C,
0x65, 0x54, 0x65, 0x73, 0x74, 0x3F, 0xDF, 0x8F, 0x6B, 0xBB, 0xFF, 0x6A, 0x5E, 0x00,
];
read_test(data.to_vec());
}
fn read_test(data: Vec<u8>) {
let len = data.len();
println!("file size: {}", len);
let start_time = std::time::Instant::now();
let _data = data_struct::Value::from_vec(data);
let end_time = std::time::Instant::now();
println!("===local nbt===");
println!("time: {:?}", end_time - start_time);
println!("speed: {:?} (bytes/sec)", len as f64 / (end_time - start_time).as_secs_f64());
println!("{:?} (kb/sec)", len as f64 / (end_time - start_time).as_secs_f64() / 1024.0);
println!(
"{:?} (mb/sec)",
len as f64 / (end_time - start_time).as_secs_f64() / 1024.0 / 1024.0
);
println!(
"{:?} (gb/sec)",
len as f64 / (end_time - start_time).as_secs_f64() / 1024.0 / 1024.0 / 1024.0
);
// println!("{:?}", data);
}