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lifegpc
2025-07-29 15:01:50 +08:00
parent 70943f4a3e
commit 2e9b769f4a
3 changed files with 25 additions and 13 deletions
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24
msg_tool_macro/src/lib.rs
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@@ -60,7 +60,7 @@ pub fn struct_unpack_impl_for_num(item: TokenStream) -> TokenStream {
}
/// Macro to derive `StructPack` trait for structs.
///
///
/// make sure to import the necessary imports:
/// ```
/// use crate::ext::io::*;
@@ -77,7 +77,10 @@ pub fn struct_unpack_impl_for_num(item: TokenStream) -> TokenStream {
/// * `pvec(<len_type>)` attribute can be used to specify a packed vector length for Vec<_> fields, where `<len_type>` can be `u8`, `u16`, `u32`, or `u64`.
/// Length is read as a prefix before the vector data.
/// * `skip_pack_if(<expr>)` attribute can be used to skip packing a field if the expression evaluates to true. The expression must be a valid Rust expression that evaluates to a boolean.
#[proc_macro_derive(StructPack, attributes(skip_pack, fstring, fstring_pad, fvec, pstring, pvec, skip_pack_if))]
#[proc_macro_derive(
StructPack,
attributes(skip_pack, fstring, fstring_pad, fvec, pstring, pvec, skip_pack_if)
)]
pub fn struct_pack_derive(input: TokenStream) -> TokenStream {
let a = syn::parse_macro_input!(input as PackStruct);
match a {
@@ -452,14 +455,14 @@ pub fn struct_pack_derive(input: TokenStream) -> TokenStream {
}
/// Macro to derive `StructUnpack` trait for structs.
///
///
/// make sure to import the necessary imports:
/// ```
/// use crate::ext::io::*;
/// use crate::utils::struct_pack::*;
/// use std::io::{Read, Seek, Write};
/// ```
///
///
/// * `skip_unpack` attribute can be used to skip fields from unpacking.
/// * `fstring = <len>` attribute can be used to specify a fixed string length for String fields.
/// * `fstring_no_trim` attribute can be used to disable trimming of fixed strings.
@@ -469,7 +472,18 @@ pub fn struct_pack_derive(input: TokenStream) -> TokenStream {
/// * `pvec(<number_type>)` attribute can be used to specify a packed vector length for Vec<_> fields, where `<number_type>` can be `u8`, `u16`, `u32` or `u64`.
/// length is read as a prefix before the vector data.
/// * `skip_unpack_if(<expr>)` attribute can be used to skip unpacking a field if the expression evaluates to true. The expression must be a valid Rust expression that evaluates to a boolean.
#[proc_macro_derive(StructUnpack, attributes(skip_unpack, fstring, fstring_no_trim, fvec, pstring, pvec, skip_unpack_if))]
#[proc_macro_derive(
StructUnpack,
attributes(
skip_unpack,
fstring,
fstring_no_trim,
fvec,
pstring,
pvec,
skip_unpack_if
)
)]
pub fn struct_unpack_derive(input: TokenStream) -> TokenStream {
let sut = syn::parse_macro_input!(input as syn::ItemStruct);
let name = sut.ident;