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use super::*;
use std::{
iter,
slice,
};
#[repr(C)]
#[derive(Copy, Clone, StableAbi)]
#[sabi(unsafe_sabi_opaque_fields)]
pub struct CompTLFields {
comp_fields:*const CompTLField,
functions:Option<&'static TLFunctions >,
comp_fields_len:u16,
}
unsafe impl Sync for CompTLFields {}
unsafe impl Send for CompTLFields {}
impl CompTLFields{
pub const EMPTY:Self=Self::from_fields(rslice![]);
pub const fn new(
comp_fields:RSlice<'static,CompTLFieldRepr>,
functions:Option<&'static TLFunctions >,
)->Self{
Self{
comp_fields:comp_fields.as_ptr()
as *const CompTLFieldRepr
as *const CompTLField,
comp_fields_len:comp_fields.len() as u16,
functions,
}
}
pub const fn from_fields(
comp_fields:RSlice<'static,CompTLField>,
)->Self{
Self{
comp_fields:comp_fields.as_ptr(),
comp_fields_len:comp_fields.len() as u16,
functions:None,
}
}
pub fn comp_fields(&self)->&'static [CompTLField] {
unsafe{
slice::from_raw_parts(self.comp_fields,self.comp_fields_len as usize)
}
}
pub fn comp_fields_rslice(&self)->RSlice<'static,CompTLField> {
unsafe{
RSlice::from_raw_parts(self.comp_fields,self.comp_fields_len as usize)
}
}
pub fn field_names(
&self,
shared_vars:&MonoSharedVars,
)->impl ExactSizeIterator<Item=&'static str>+Clone+'static{
let fields=self.comp_fields();
let strings=shared_vars.strings();
fields.iter().map(move|field| field.name(strings) )
}
pub fn get_field_name(&self,index:usize,shared_vars:&MonoSharedVars)-> Option<&'static str> {
let strings=shared_vars.strings();
self.comp_fields()
.get(index)
.map(|f| f.name(strings) )
}
pub fn len(&self)->usize{
self.comp_fields_len as usize
}
pub fn is_empty(&self) -> bool {
self.comp_fields_len == 0
}
pub fn expand(self,shared_vars:&'static SharedVars)->TLFields{
TLFields{
shared_vars,
comp_fields:self.comp_fields_rslice(),
functions:self.functions,
}
}
}
#[repr(C)]
#[derive(Copy, Clone, StableAbi)]
pub struct TLFields {
shared_vars:&'static SharedVars,
comp_fields:RSlice<'static,CompTLField>,
functions:Option<&'static TLFunctions >,
}
impl TLFields{
pub fn from_fields(
comp_fields:&'static [CompTLField],
shared_vars:&'static SharedVars,
)->Self{
Self{
comp_fields:comp_fields.into(),
shared_vars,
functions:None,
}
}
pub fn len(&self)->usize{
self.comp_fields.len()
}
pub fn is_empty(&self)->bool{
self.comp_fields.is_empty()
}
pub fn get(&self,i:usize)->Option<TLField>{
self.comp_fields.get(i)
.map(|field| field.expand(i,self.functions,self.shared_vars) )
}
pub fn iter(&self)->TLFieldsIterator{
TLFieldsIterator{
shared_vars:self.shared_vars,
comp_fields:self.comp_fields.as_slice().iter().enumerate(),
functions:self.functions,
}
}
pub fn to_vec(&self)->Vec<TLField>{
self.iter().collect()
}
}
impl IntoIterator for TLFields {
type IntoIter=TLFieldsIterator;
type Item=TLField;
#[inline]
fn into_iter(self)->Self::IntoIter{
self.iter()
}
}
impl Debug for TLFields{
fn fmt(&self,f:&mut fmt::Formatter<'_>)->fmt::Result{
f.debug_list()
.entries(self.iter())
.finish()
}
}
impl Display for TLFields {
fn fmt(&self,f:&mut fmt::Formatter<'_>)->fmt::Result{
for field in self.iter() {
Display::fmt(&field,f)?;
writeln!(f)?;
}
Ok(())
}
}
impl Eq for TLFields{}
impl PartialEq for TLFields{
fn eq(&self,other:&Self)->bool{
self.iter().eq(other.iter())
}
}
#[derive(Clone,Debug)]
pub struct TLFieldsIterator {
shared_vars:&'static SharedVars,
comp_fields:iter::Enumerate<slice::Iter<'static,CompTLField>>,
functions:Option<&'static TLFunctions >,
}
impl Iterator for TLFieldsIterator{
type Item=TLField;
fn next(&mut self)->Option<TLField>{
self.comp_fields.next()
.map(|(i,field)|{
field.expand(i,self.functions,self.shared_vars)
})
}
fn size_hint(&self)->(usize,Option<usize>){
let len=self.comp_fields.len();
(len,Some(len))
}
fn count(self) -> usize {
self.comp_fields.len()
}
}
impl std::iter::ExactSizeIterator for TLFieldsIterator{}