mojang就是有毛病
This commit is contained in:
parent
00c0121940
commit
f05ea5814d
GPG Key ID:
7B1134A979775551
@ -6,3 +6,7 @@ edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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[features]
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default = []
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debug = []
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13
src/data.rs
13
src/data.rs
@ -9,7 +9,7 @@ pub type NbtLength = i32;
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/// NBT 里的字符串独树一帜的把自己的长度用一个u32表示
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/// 不如说为啥别的不用 u32 呢
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pub type StringLength = u32;
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pub type StringLength = u16;
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/// Reader
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pub type Reader<'a> = Cursor<&'a [u8]>;
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@ -112,7 +112,9 @@ impl From<Vec<NbtItem>> for NbtList {
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impl From<HashMap<Arc<str>, NbtItem>> for NbtList {
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#[inline]
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fn from(value: HashMap<Arc<str>, NbtItem>) -> Self { Self::Compound(Rc::new(RefCell::new(value))) }
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fn from(value: HashMap<Arc<str>, NbtItem>) -> Self {
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Self::Compound(Rc::new(RefCell::new(value)))
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}
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}
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impl From<Vec<bool>> for NbtList {
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@ -194,13 +196,16 @@ impl NbtValue {
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/// 直接读取
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pub fn from_string(value: &mut Reader) -> Self {
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let len: StringLength = Self::from_i32(value).as_i32().unwrap() as StringLength;
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let len: StringLength = Self::from_i16(value).as_i16().unwrap() as StringLength;
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if len == 0 {
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return Self::String(Arc::from(""));
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}
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let mut buff = vec![0_u8; len as usize];
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_ = value.read(&mut buff).unwrap();
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Self::String(Arc::from(String::from_utf8(buff).unwrap()))
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let str = Arc::from(String::from_utf8(buff).unwrap());
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#[cfg(feature = "debug")]
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println!("-----string len: {} value: |{}|", len, str);
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Self::String(str)
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}
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/// 读取一个有类型无名称的值 (List)
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118
src/main.rs
118
src/main.rs
@ -1,9 +1,127 @@
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#![feature(buf_read_has_data_left)]
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mod data;
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mod read;
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fn main() {
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println!("Hello, world!");
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big_read_test();
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}
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// bincode-org/bincode: A binary encoder / decoder implementation in Rust.
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// https://github.com/bincode-org/bincode
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fn big_read_test() {
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let data: [u8; 0x21] = [
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0x0A, 0x00, 0x0B, 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x08, 0x00,
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0x00 ];
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read_test(&data);
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let data: [u8; 0x608] = [
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|
||||
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);
|
||||
}
|
||||
|
||||
fn read_test(data: &[u8]) {
|
||||
let cursor: std::io::Cursor<&[u8]> = std::io::Cursor::new(data);
|
||||
println!("data: {:?}", data);
|
||||
let nbt_data = data::NbtItem::try_from(cursor).unwrap();
|
||||
println!("nbt_data: {:#?}", nbt_data);
|
||||
}
|
||||
|
||||
26
src/read.rs
26
src/read.rs
@ -1,6 +1,6 @@
|
||||
use crate::data::{NbtItem, NbtList, NbtValue, Reader};
|
||||
use std::convert::From;
|
||||
use std::io::{Cursor, Read};
|
||||
use std::io::{BufRead, Cursor, Read};
|
||||
|
||||
/// 输出类型标识符
|
||||
/// 类型标识符
|
||||
@ -164,17 +164,21 @@ pub mod read_data {
|
||||
// 进来直接是 values
|
||||
// loop 读取长度 name len name value value
|
||||
// 直到一个 End
|
||||
#[cfg(feature = "debug")]
|
||||
println!("reading compound {} bytes", value.position());
|
||||
let mut map: HashMap<Arc<str>, NbtItem> = HashMap::new();
|
||||
loop {
|
||||
// 读取 name
|
||||
// 直接调之前的方法读
|
||||
let name = NbtValue::from_string(value).as_string().unwrap();
|
||||
let mut type_tag = [0_u8; 1];
|
||||
_ = value.read(&mut type_tag).unwrap();
|
||||
#[cfg(feature = "debug")]
|
||||
println!("compound type tag {:?} with name: {:?}", type_tag, name);
|
||||
if type_tag == [0x00] {
|
||||
// End
|
||||
break;
|
||||
}
|
||||
// 读取 name
|
||||
// 直接调之前的方法读
|
||||
let name = NbtValue::from_string(value).as_string().unwrap();
|
||||
// 读取 value
|
||||
let nbt_value: NbtItem = match type_tag {
|
||||
[0x01] => NbtItem::Value(NbtValue::from_bool(value)),
|
||||
@ -203,6 +207,8 @@ pub mod read_data {
|
||||
};
|
||||
// 读取完了，放进去
|
||||
map.insert(name, nbt_value);
|
||||
#[cfg(feature = "debug")]
|
||||
println!("compound: {:?}", map);
|
||||
}
|
||||
NbtList::from(map)
|
||||
}
|
||||
@ -229,10 +235,13 @@ impl TryFrom<Cursor<&[u8]>> for NbtItem {
|
||||
fn try_from(in_value: Reader) -> Result<NbtItem, Self::Error> {
|
||||
let mut value: Reader = in_value.clone();
|
||||
let mut items: Vec<NbtItem> = Vec::new();
|
||||
#[cfg(feature = "debug")]
|
||||
println!("reader pos: {:?}", value.position());
|
||||
loop {
|
||||
// 读取类型
|
||||
let mut buff = [0_u8; 1];
|
||||
_ = value.read(&mut buff).unwrap();
|
||||
let name = NbtValue::from_string(&mut value).as_string().unwrap();
|
||||
let type_code: NbtStatus = match buff {
|
||||
[0x00] => NbtStatus::End,
|
||||
[0x01] => NbtStatus::Going(NbtItem::Value(NbtValue::from_bool(&mut value))),
|
||||
@ -256,12 +265,21 @@ impl TryFrom<Cursor<&[u8]>> for NbtItem {
|
||||
),
|
||||
)),
|
||||
};
|
||||
#[cfg(feature = "debug")]
|
||||
println!(
|
||||
"==type_code: {:?} reader pos: {:?}",
|
||||
buff,
|
||||
value.position()
|
||||
);
|
||||
match type_code {
|
||||
NbtStatus::End => {
|
||||
break;
|
||||
}
|
||||
NbtStatus::Going(item) => {
|
||||
items.push(item);
|
||||
if !value.has_data_left().unwrap() {
|
||||
break;
|
||||
}
|
||||
}
|
||||
NbtStatus::Error(e) => {
|
||||
return Err(e);
|
||||
|
||||
@ -1,13 +1,13 @@
|
||||
# cargo fmt config
|
||||
|
||||
# 最大行长
|
||||
max_width = 150
|
||||
max_width = 100
|
||||
# 链式调用的最大长度
|
||||
chain_width = 100
|
||||
chain_width = 80
|
||||
# 数组的最大长度
|
||||
array_width = 100
|
||||
array_width = 80
|
||||
# 函数参数的最大长度
|
||||
attr_fn_like_width = 100
|
||||
attr_fn_like_width = 80
|
||||
# 函数调用参数的最大长度
|
||||
fn_call_width = 80
|
||||
# 简单函数格式化为单行
|
||||
|
||||
Loading…
Reference in New Issue
Block a user