use super::{
BinaryReader, Range, Result, SectionIteratorLimited, SectionReader, SectionWithLimitedItems,
TableType,
};
#[derive(Clone)]
pub struct TableSectionReader<'a> {
reader: BinaryReader<'a>,
count: u32,
}
impl<'a> TableSectionReader<'a> {
pub fn new(data: &'a [u8], offset: usize) -> Result<TableSectionReader<'a>> {
let mut reader = BinaryReader::new_with_offset(data, offset);
let count = reader.read_var_u32()?;
Ok(TableSectionReader { 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<TableType> {
self.reader.read_table_type()
}
}
impl<'a> SectionReader for TableSectionReader<'a> {
type Item = TableType;
fn read(&mut self) -> Result<Self::Item> {
TableSectionReader::read(self)
}
fn eof(&self) -> bool {
self.reader.eof()
}
fn original_position(&self) -> usize {
TableSectionReader::original_position(self)
}
fn range(&self) -> Range {
self.reader.range()
}
}
impl<'a> SectionWithLimitedItems for TableSectionReader<'a> {
fn get_count(&self) -> u32 {
TableSectionReader::get_count(self)
}
}
impl<'a> IntoIterator for TableSectionReader<'a> {
type Item = Result<TableType>;
type IntoIter = SectionIteratorLimited<TableSectionReader<'a>>;
fn into_iter(self) -> Self::IntoIter {
SectionIteratorLimited::new(self)
}
}