use crate::traits::{FromPointerReader, FromPointerBuilder, ListIter, IndexMove};
use crate::private::layout::{ListReader, ListBuilder, PointerReader, PointerBuilder, Pointer};
use crate::Result;
#[derive(Clone, Copy)]
pub struct Owned;
impl <'a> crate::traits::Owned<'a> for Owned {
type Reader = Reader<'a>;
type Builder = Builder<'a>;
}
#[derive(Clone, Copy)]
pub struct Reader<'a> {
pub reader: ListReader<'a>
}
impl <'a> Reader<'a> {
pub fn new<'b>(reader: ListReader<'b>) -> Reader<'b> {
Reader { reader: reader }
}
pub fn len(&self) -> u32 { self.reader.len() }
pub fn iter(self) -> ListIter<Reader<'a>, Result<crate::any_pointer::Reader<'a>>>{
let l = self.len();
ListIter::new(self, l)
}
pub fn get(self, index : u32) -> crate::any_pointer::Reader<'a> {
assert!(index < self.len());
crate::any_pointer::Reader::new(self.reader.get_pointer_element(index))
}
}
impl <'a> IndexMove<u32, Result<crate::any_pointer::Reader<'a>>> for Reader<'a>{
fn index_move(&self, index: u32) -> Result<crate::any_pointer::Reader<'a>> {
Ok(self.get(index))
}
}
impl <'a> FromPointerReader<'a> for Reader<'a> {
fn get_from_pointer(reader: &PointerReader<'a>, default: Option<&'a [crate::Word]>) -> Result<Reader<'a>> {
Ok(Reader { reader: reader.get_list(Pointer, default)? })
}
}
impl <'a> crate::traits::IntoInternalListReader<'a> for Reader<'a> {
fn into_internal_list_reader(self) -> ListReader<'a> {
self.reader
}
}
pub struct Builder<'a> {
builder: ListBuilder<'a>
}
impl <'a> Builder<'a> {
pub fn new(builder: ListBuilder<'a>) -> Builder<'a> {
Builder { builder: builder }
}
pub fn len(&self) -> u32 { self.builder.len() }
pub fn into_reader(self) -> Reader<'a> {
Reader { reader: self.builder.into_reader() }
}
pub fn get(self, index : u32) -> crate::any_pointer::Builder<'a> {
assert!(index < self.len());
crate::any_pointer::Builder::new(self.builder.get_pointer_element(index))
}
pub fn reborrow<'b>(&'b mut self) -> Builder<'b> {
Builder {builder: self.builder.borrow()}
}
}
impl <'a> FromPointerBuilder<'a> for Builder<'a> {
fn init_pointer(builder: PointerBuilder<'a>, size : u32) -> Builder<'a> {
Builder {
builder: builder.init_list(Pointer, size)
}
}
fn get_from_pointer(builder: PointerBuilder<'a>, default: Option<&'a [crate::Word]>) -> Result<Builder<'a>> {
Ok(Builder {
builder: builder.get_list(Pointer, default)?
})
}
}
impl <'a> crate::traits::SetPointerBuilder<Builder<'a>> for Reader<'a> {
fn set_pointer_builder<'b>(pointer: PointerBuilder<'b>,
value: Reader<'a>,
canonicalize: bool) -> Result<()> {
pointer.set_list(&value.reader, canonicalize)?;
Ok(())
}
}
impl <'a> ::std::iter::IntoIterator for Reader<'a> {
type Item = Result<crate::any_pointer::Reader<'a>>;
type IntoIter = ListIter<Reader<'a>, Self::Item>;
fn into_iter(self) -> Self::IntoIter {
self.iter()
}
}