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use crate::{
BinaryReader, ComponentExternalKind, ExternalKind, Result, SectionIteratorLimited,
SectionReader, SectionWithLimitedItems,
};
use std::ops::Range;
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum OuterAliasKind {
Type,
}
#[derive(Debug, Clone)]
pub enum Alias<'a> {
InstanceExport {
kind: ExternalKind,
instance_index: u32,
name: &'a str,
},
Outer {
kind: OuterAliasKind,
count: u32,
index: u32,
},
}
#[derive(Clone)]
pub struct AliasSectionReader<'a> {
reader: BinaryReader<'a>,
count: u32,
}
impl<'a> AliasSectionReader<'a> {
pub fn new(data: &'a [u8], offset: usize) -> Result<Self> {
let mut reader = BinaryReader::new_with_offset(data, offset);
let count = reader.read_var_u32()?;
Ok(Self { reader, count })
}
pub fn original_position(&self) -> usize {
self.reader.original_position()
}
pub fn get_count(&self) -> u32 {
self.count
}
pub fn read(&mut self) -> Result<Alias<'a>> {
self.reader.read_alias()
}
}
impl<'a> SectionReader for AliasSectionReader<'a> {
type Item = Alias<'a>;
fn read(&mut self) -> Result<Self::Item> {
Self::read(self)
}
fn eof(&self) -> bool {
self.reader.eof()
}
fn original_position(&self) -> usize {
Self::original_position(self)
}
fn range(&self) -> Range<usize> {
self.reader.range()
}
}
impl<'a> SectionWithLimitedItems for AliasSectionReader<'a> {
fn get_count(&self) -> u32 {
Self::get_count(self)
}
}
impl<'a> IntoIterator for AliasSectionReader<'a> {
type Item = Result<Alias<'a>>;
type IntoIter = SectionIteratorLimited<Self>;
fn into_iter(self) -> Self::IntoIter {
SectionIteratorLimited::new(self)
}
}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum ComponentOuterAliasKind {
CoreModule,
CoreType,
Type,
Component,
}
#[derive(Debug, Clone)]
pub enum ComponentAlias<'a> {
InstanceExport {
kind: ComponentExternalKind,
instance_index: u32,
name: &'a str,
},
Outer {
kind: ComponentOuterAliasKind,
count: u32,
index: u32,
},
}
#[derive(Clone)]
pub struct ComponentAliasSectionReader<'a> {
reader: BinaryReader<'a>,
count: u32,
}
impl<'a> ComponentAliasSectionReader<'a> {
pub fn new(data: &'a [u8], offset: usize) -> Result<Self> {
let mut reader = BinaryReader::new_with_offset(data, offset);
let count = reader.read_var_u32()?;
Ok(Self { reader, count })
}
pub fn original_position(&self) -> usize {
self.reader.original_position()
}
pub fn get_count(&self) -> u32 {
self.count
}
pub fn read(&mut self) -> Result<ComponentAlias<'a>> {
self.reader.read_component_alias()
}
}
impl<'a> SectionReader for ComponentAliasSectionReader<'a> {
type Item = ComponentAlias<'a>;
fn read(&mut self) -> Result<Self::Item> {
Self::read(self)
}
fn eof(&self) -> bool {
self.reader.eof()
}
fn original_position(&self) -> usize {
Self::original_position(self)
}
fn range(&self) -> Range<usize> {
self.reader.range()
}
}
impl<'a> SectionWithLimitedItems for ComponentAliasSectionReader<'a> {
fn get_count(&self) -> u32 {
Self::get_count(self)
}
}
impl<'a> IntoIterator for ComponentAliasSectionReader<'a> {
type Item = Result<ComponentAlias<'a>>;
type IntoIter = SectionIteratorLimited<Self>;
fn into_iter(self) -> Self::IntoIter {
SectionIteratorLimited::new(self)
}
}