feat: container struct
This commit is contained in:
parent
e788e4aa13
commit
6dc79f7e29
GPG key ID:
FAB914DDC2F180EB
3 changed files with 362 additions and 254 deletions
36
.github/workflows/ci-tests.yml
vendored
36
.github/workflows/ci-tests.yml
vendored
|
|
@ -2,9 +2,13 @@ name: Rust
|
|||
|
||||
on:
|
||||
push:
|
||||
branches: [ "main" ]
|
||||
branches:
|
||||
- "main"
|
||||
- "feat/*"
|
||||
pull_request:
|
||||
branches: [ "main" ]
|
||||
branches:
|
||||
- "main"
|
||||
- "feat/*"
|
||||
|
||||
permissions:
|
||||
contents: read
|
||||
|
|
@ -24,3 +28,31 @@ jobs:
|
|||
run: cargo test --verbose --all-features --workspace --tests --bins --lib
|
||||
- name: Run doctests
|
||||
run: cargo test --verbose --all-features --workspace --doc
|
||||
|
||||
clippy_check:
|
||||
name: Clippy
|
||||
runs-on: ubuntu-latest
|
||||
timeout-minutes: 30
|
||||
steps:
|
||||
- name: Checkout sources
|
||||
uses: actions/checkout@v4
|
||||
- name: Install toolchain
|
||||
uses: dtolnay/rust-toolchain@nightly
|
||||
with:
|
||||
components: clippy
|
||||
- name: Run clippy
|
||||
run: cargo clippy -- -D warnings
|
||||
|
||||
format:
|
||||
name: Format
|
||||
runs-on: ubuntu-latest
|
||||
timeout-minutes: 30
|
||||
steps:
|
||||
- name: Checkout sources
|
||||
uses: actions/checkout@v4
|
||||
- name: Install toolchain
|
||||
uses: dtolnay/rust-toolchain@nightly
|
||||
with:
|
||||
components: rustfmt
|
||||
- name: Run cargo fmt
|
||||
run: cargo fmt --all -- --check
|
||||
|
|
|
|||
|
|
@ -25,128 +25,169 @@ use proc_macro2_diagnostics::Diagnostic;
|
|||
/// you can also call functions from BitFlag trait beacause the new struct implements deref and deref_mut to the underlying type
|
||||
#[proc_macro_attribute]
|
||||
pub fn bitflag(_attr: TokenStream, input: TokenStream) -> TokenStream {
|
||||
let mut diagnostics = Vec::new();
|
||||
let mut diagnostics = Vec::new();
|
||||
|
||||
let structdef: syn::ItemStruct = syn::parse_macro_input!(input as syn::ItemStruct);
|
||||
// check if the struct has correct shape
|
||||
check_struct(&mut diagnostics, &structdef);
|
||||
let structdef: syn::ItemStruct = syn::parse_macro_input!(input as syn::ItemStruct);
|
||||
// check if the struct has correct shape
|
||||
check_struct(&mut diagnostics, &structdef);
|
||||
|
||||
let structname = structdef.ident;
|
||||
let structfields = match &structdef.fields {
|
||||
syn::Fields::Named(f) => f.named.iter().map(|f| f.ident.clone().unwrap()).collect::<Vec<_>>(),
|
||||
_ => {diagnostics.push(syn::Error::new_spanned(&structdef.fields, "struct has incorrect shape, only works on struct with named fields").into()); Vec::new()},
|
||||
};
|
||||
let structname = structdef.ident;
|
||||
let structfields = match &structdef.fields {
|
||||
syn::Fields::Named(f) => f
|
||||
.named
|
||||
.iter()
|
||||
.map(|f| f.ident.clone().unwrap())
|
||||
.collect::<Vec<_>>(),
|
||||
_ => {
|
||||
diagnostics.push(
|
||||
syn::Error::new_spanned(
|
||||
&structdef.fields,
|
||||
"struct has incorrect shape, only works on struct with named fields",
|
||||
)
|
||||
.into(),
|
||||
);
|
||||
Vec::new()
|
||||
}
|
||||
};
|
||||
|
||||
let vis = structdef.vis.clone();
|
||||
let attrs = structdef.attrs.clone();
|
||||
let vis = structdef.vis.clone();
|
||||
let attrs = structdef.attrs.clone();
|
||||
|
||||
// a unsigned int type of a size larger then the number of fields in the struct
|
||||
let u_type = {
|
||||
let fields_len = structfields.len();
|
||||
match fields_len {
|
||||
0..=8 => quote::quote! { u8 },
|
||||
9..=16 => quote::quote! { u16 },
|
||||
17..=32 => quote::quote! { u32 },
|
||||
33..=64 => quote::quote! { u64 },
|
||||
65..=128 => quote::quote! { u128 },
|
||||
_ => {diagnostics.push(syn::Error::new_spanned(structdef.fields, "struct has too many fields").into()); quote::quote! { u8 }}
|
||||
}
|
||||
};
|
||||
// a unsigned int type of a size larger then the number of fields in the struct
|
||||
let u_type = {
|
||||
let fields_len = structfields.len();
|
||||
match fields_len {
|
||||
0..=8 => quote::quote! { u8 },
|
||||
9..=16 => quote::quote! { u16 },
|
||||
17..=32 => quote::quote! { u32 },
|
||||
33..=64 => quote::quote! { u64 },
|
||||
65..=128 => quote::quote! { u128 },
|
||||
_ => {
|
||||
diagnostics.push(
|
||||
syn::Error::new_spanned(structdef.fields, "struct has too many fields").into(),
|
||||
);
|
||||
quote::quote! { u128 }
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let newstruct = quote::quote! {
|
||||
#(#attrs)*
|
||||
#vis struct #structname {
|
||||
value: #u_type
|
||||
}
|
||||
};
|
||||
let newstruct = quote::quote! {
|
||||
#(#attrs)*
|
||||
#vis struct #structname {
|
||||
value: #u_type
|
||||
}
|
||||
};
|
||||
|
||||
// make functions for each field in the struct
|
||||
let mut functions = Vec::new();
|
||||
for (i, field) in structfields.iter().enumerate() {
|
||||
let field = field.clone();
|
||||
let i = i as u8;
|
||||
let set_ident = syn::Ident::new(&format!("set_{}", field), field.span());
|
||||
functions.push(quote::quote! {
|
||||
pub fn #field(&self) -> bool {
|
||||
self.value.get_flag(#i)
|
||||
}
|
||||
pub fn #set_ident(&mut self, value: bool) {
|
||||
self.value.set_flag(#i, value);
|
||||
}
|
||||
});
|
||||
}
|
||||
// make functions for each field in the struct
|
||||
let mut functions = Vec::new();
|
||||
for (i, field) in structfields.iter().enumerate() {
|
||||
let field = field.clone();
|
||||
let i = i as u8;
|
||||
let set_ident = syn::Ident::new(&format!("set_{}", field), field.span());
|
||||
functions.push(quote::quote! {
|
||||
pub fn #field(&self) -> bool {
|
||||
self.value.get_flag(#i)
|
||||
}
|
||||
pub fn #set_ident(&mut self, value: bool) {
|
||||
self.value.set_flag(#i, value);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
let impls = quote::quote! {
|
||||
impl #structname {
|
||||
#(#functions)*
|
||||
let impls = quote::quote! {
|
||||
impl #structname {
|
||||
#(#functions)*
|
||||
|
||||
pub fn new(val: #u_type) -> Self {
|
||||
Self {
|
||||
value: val
|
||||
}
|
||||
}
|
||||
pub fn new(val: #u_type) -> Self {
|
||||
Self {
|
||||
value: val
|
||||
}
|
||||
}
|
||||
|
||||
pub fn value(&self) -> #u_type {
|
||||
self.value
|
||||
}
|
||||
}
|
||||
};
|
||||
pub fn value(&self) -> #u_type {
|
||||
self.value
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let deref_impl = quote::quote! {
|
||||
impl std::ops::Deref for #structname {
|
||||
type Target = #u_type;
|
||||
fn deref(&self) -> &Self::Target {
|
||||
&self.value
|
||||
}
|
||||
}
|
||||
};
|
||||
let deref_impl = quote::quote! {
|
||||
impl std::ops::Deref for #structname {
|
||||
type Target = #u_type;
|
||||
fn deref(&self) -> &Self::Target {
|
||||
&self.value
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let deref_mut_impl = quote::quote! {
|
||||
impl std::ops::DerefMut for #structname {
|
||||
fn deref_mut(&mut self) -> &mut Self::Target {
|
||||
&mut self.value
|
||||
}
|
||||
}
|
||||
};
|
||||
let deref_mut_impl = quote::quote! {
|
||||
impl std::ops::DerefMut for #structname {
|
||||
fn deref_mut(&mut self) -> &mut Self::Target {
|
||||
&mut self.value
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
let diagnostics = diagnostics.iter().map(|d| d.clone().emit_as_item_tokens());
|
||||
quote::quote! {
|
||||
#(#diagnostics)*
|
||||
#newstruct
|
||||
#impls
|
||||
#deref_impl
|
||||
#deref_mut_impl
|
||||
}.into()
|
||||
let diagnostics = diagnostics.iter().map(|d| d.clone().emit_as_item_tokens());
|
||||
quote::quote! {
|
||||
#(#diagnostics)*
|
||||
#newstruct
|
||||
#impls
|
||||
#deref_impl
|
||||
#deref_mut_impl
|
||||
}
|
||||
.into()
|
||||
}
|
||||
|
||||
/// returns true if the struct has a correct shape
|
||||
fn check_struct(diagnostics: &mut Vec<Diagnostic>, input: &syn::ItemStruct) {
|
||||
if input.generics.lt_token.is_some() {
|
||||
diagnostics.push(syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs").into());
|
||||
}
|
||||
if input.generics.gt_token.is_some() {
|
||||
diagnostics.push(syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs").into());
|
||||
}
|
||||
if input.generics.where_clause.is_some() {
|
||||
diagnostics.push(syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs").into());
|
||||
}
|
||||
if !input.generics.params.is_empty() {
|
||||
diagnostics.push(syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs").into());
|
||||
}
|
||||
if input.generics.lt_token.is_some() {
|
||||
diagnostics.push(
|
||||
syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs")
|
||||
.into(),
|
||||
);
|
||||
}
|
||||
if input.generics.gt_token.is_some() {
|
||||
diagnostics.push(
|
||||
syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs")
|
||||
.into(),
|
||||
);
|
||||
}
|
||||
if input.generics.where_clause.is_some() {
|
||||
diagnostics.push(
|
||||
syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs")
|
||||
.into(),
|
||||
);
|
||||
}
|
||||
if !input.generics.params.is_empty() {
|
||||
diagnostics.push(
|
||||
syn::Error::new_spanned(&input.generics, "generics not allowed in bitflag structs")
|
||||
.into(),
|
||||
);
|
||||
}
|
||||
|
||||
match &input.fields {
|
||||
syn::Fields::Unnamed(f) => diagnostics.push(syn::Error::new_spanned(f, "struct has incorrect shape, found tuple struct").into()),
|
||||
syn::Fields::Unit => diagnostics.push(syn::Error::new_spanned(input, "struct has incorrect shape, found unit struct").into()),
|
||||
syn::Fields::Named(f) => {
|
||||
if f.named.len() > 128 {
|
||||
diagnostics.push(syn::Error::new_spanned(f, "struct has too many fields").into());
|
||||
}
|
||||
for field in f.named.iter() {
|
||||
match &field.ty {
|
||||
syn::Type::Path(path_type) if path_type.path.is_ident("bool") => {},
|
||||
_ => diagnostics.push(syn::Error::new_spanned(field, "struct has incorrect shape, found non bool field").into()),
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
match &input.fields {
|
||||
syn::Fields::Unnamed(f) => diagnostics.push(
|
||||
syn::Error::new_spanned(f, "struct has incorrect shape, found tuple struct").into(),
|
||||
),
|
||||
syn::Fields::Unit => diagnostics.push(
|
||||
syn::Error::new_spanned(input, "struct has incorrect shape, found unit struct").into(),
|
||||
),
|
||||
syn::Fields::Named(f) => {
|
||||
if f.named.len() > 128 {
|
||||
diagnostics.push(syn::Error::new_spanned(f, "struct has too many fields").into());
|
||||
}
|
||||
for field in f.named.iter() {
|
||||
match &field.ty {
|
||||
syn::Type::Path(path_type) if path_type.path.is_ident("bool") => {}
|
||||
_ => diagnostics.push(
|
||||
syn::Error::new_spanned(
|
||||
field,
|
||||
"struct has incorrect shape, found non bool field",
|
||||
)
|
||||
.into(),
|
||||
),
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
323
src/lib.rs
323
src/lib.rs
|
|
@ -7,179 +7,214 @@ pub use binf_macros::*;
|
|||
|
||||
/// A trait for types that can be used as bit flags.
|
||||
pub trait BitFlag {
|
||||
type T;
|
||||
/// Sets the flag at the given position to the given value.
|
||||
/// I don't know what happens if the position is larger than the number of bits in the type.
|
||||
fn set_flag(&mut self, position: u8, value: bool);
|
||||
/// Returns the value of the flag at the given position.
|
||||
/// I don't know what happens if the position is larger than the number of bits in the type.
|
||||
fn get_flag(&self, position: u8) -> bool;
|
||||
/// Returns an array of bools representing the flags.
|
||||
/// The first element in the array is the flag at position 0.
|
||||
fn flags(&self) -> Self::T;
|
||||
/// Sets the flags to the given values.
|
||||
/// flags can be any size, but if it is larger than the number of bits in the type only the first bits will be used.
|
||||
/// So if this is u8 flags should be 8 or less any more are ignored.
|
||||
fn set_flags(&mut self, flags: &[bool]);
|
||||
type T;
|
||||
/// Sets the flag at the given position to the given value.
|
||||
/// I don't know what happens if the position is larger than the number of bits in the type.
|
||||
fn set_flag(&mut self, position: u8, value: bool);
|
||||
/// Returns the value of the flag at the given position.
|
||||
/// I don't know what happens if the position is larger than the number of bits in the type.
|
||||
fn get_flag(&self, position: u8) -> bool;
|
||||
/// Returns an array of bools representing the flags.
|
||||
/// The first element in the array is the flag at position 0.
|
||||
fn flags(&self) -> Self::T;
|
||||
/// Sets the flags to the given values.
|
||||
/// flags can be any size, but if it is larger than the number of bits in the type only the first bits will be used.
|
||||
/// So if this is u8 flags should be 8 or less any more are ignored.
|
||||
fn set_flags(&mut self, flags: &[bool]);
|
||||
}
|
||||
|
||||
/// implementation for u8. u8 means it can store 8 flags 1 flag per bit.
|
||||
impl BitFlag for u8 {
|
||||
type T = [bool; 8];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
type T = [bool; 8];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 8];
|
||||
for i in 0..8 {
|
||||
flags[i] = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 8];
|
||||
for (i, flag) in flags.iter_mut().enumerate() {
|
||||
*flag = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.into_iter().enumerate() {
|
||||
if i >= 8 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.iter().enumerate() {
|
||||
if i >= 8 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl BitFlag for u16 {
|
||||
type T = [bool; 16];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
type T = [bool; 16];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 16];
|
||||
for i in 0..16 {
|
||||
flags[i] = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 16];
|
||||
for (i, flag) in flags.iter_mut().enumerate() {
|
||||
*flag = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.into_iter().enumerate() {
|
||||
if i >= 16 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.iter().enumerate() {
|
||||
if i >= 16 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl BitFlag for u32 {
|
||||
type T = [bool; 32];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
type T = [bool; 32];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 32];
|
||||
for i in 0..32 {
|
||||
flags[i] = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 32];
|
||||
for (i, flag) in flags.iter_mut().enumerate() {
|
||||
*flag = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.into_iter().enumerate() {
|
||||
if i >= 32 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.iter().enumerate() {
|
||||
if i >= 32 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl BitFlag for u64 {
|
||||
type T = [bool; 64];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
type T = [bool; 64];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 64];
|
||||
for i in 0..64 {
|
||||
flags[i] = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 64];
|
||||
for (i, flag) in flags.iter_mut().enumerate() {
|
||||
*flag = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.into_iter().enumerate() {
|
||||
if i >= 64 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.iter().enumerate() {
|
||||
if i >= 64 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl BitFlag for u128 {
|
||||
type T = [bool; 128];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
type T = [bool; 128];
|
||||
fn set_flag(&mut self, position: u8, value: bool) {
|
||||
if value {
|
||||
*self |= 1 << position;
|
||||
} else {
|
||||
*self &= !(1 << position);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
fn get_flag(&self, position: u8) -> bool {
|
||||
(*self & (1 << position)) != 0
|
||||
}
|
||||
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 128];
|
||||
for i in 0..128 {
|
||||
flags[i] = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
fn flags(&self) -> Self::T {
|
||||
let mut flags = [false; 128];
|
||||
for (i, flag) in flags.iter_mut().enumerate() {
|
||||
*flag = self.get_flag(i as u8);
|
||||
}
|
||||
flags
|
||||
}
|
||||
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.into_iter().enumerate() {
|
||||
if i >= 128 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
fn set_flags(&mut self, flags: &[bool]) {
|
||||
for (i, v) in flags.iter().enumerate() {
|
||||
if i >= 128 {
|
||||
break;
|
||||
}
|
||||
self.set_flag(i as u8, *v);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A wrapper around a type that implements BitFlag. In case you don't want to import the trait and
|
||||
/// see the trait methods on each unsized integer.
|
||||
pub struct BitFlags<T>(T);
|
||||
|
||||
impl<T: BitFlag> BitFlags<T> {
|
||||
pub fn new(value: T) -> Self {
|
||||
Self(value)
|
||||
}
|
||||
|
||||
/// Sets the flag at the given position to the given value.
|
||||
/// I don't know what happens if the position is larger than the number of bits in the type.
|
||||
pub fn set_flag(&mut self, position: u8, value: bool) {
|
||||
self.0.set_flag(position, value);
|
||||
}
|
||||
|
||||
/// Returns the value of the flag at the given position.
|
||||
/// I don't know what happens if the position is larger than the number of bits in the type.
|
||||
pub fn get_flag(&self, position: u8) -> bool {
|
||||
self.0.get_flag(position)
|
||||
}
|
||||
|
||||
/// Returns an array of bools representing the flags.
|
||||
/// The first element in the array is the flag at position 0.
|
||||
pub fn flags(&self) -> T::T {
|
||||
self.0.flags()
|
||||
}
|
||||
|
||||
/// Sets the flags to the given values.
|
||||
/// flags can be any size, but if it is larger than the number of bits in the type only the first bits will be used.
|
||||
/// So if this is u8 flags should be 8 or less any more are ignored.
|
||||
pub fn set_flags(&mut self, flags: &[bool]) {
|
||||
self.0.set_flags(flags);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue