1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
use super::{ BinaryReader, Range, Result, SectionIteratorLimited, SectionReader, SectionWithLimitedItems, }; #[derive(Clone)] pub struct ModuleSectionReader<'a> { reader: BinaryReader<'a>, count: u32, } impl<'a> ModuleSectionReader<'a> { pub fn new(data: &'a [u8], offset: usize) -> Result<ModuleSectionReader<'a>> { let mut reader = BinaryReader::new_with_offset(data, offset); let count = reader.read_var_u32()?; Ok(ModuleSectionReader { 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<u32> { self.reader.read_var_u32() } } impl<'a> SectionReader for ModuleSectionReader<'a> { type Item = u32; fn read(&mut self) -> Result<Self::Item> { ModuleSectionReader::read(self) } fn eof(&self) -> bool { self.reader.eof() } fn original_position(&self) -> usize { ModuleSectionReader::original_position(self) } fn range(&self) -> Range { self.reader.range() } } impl<'a> SectionWithLimitedItems for ModuleSectionReader<'a> { fn get_count(&self) -> u32 { ModuleSectionReader::get_count(self) } } impl<'a> IntoIterator for ModuleSectionReader<'a> { type Item = Result<u32>; type IntoIter = SectionIteratorLimited<ModuleSectionReader<'a>>; fn into_iter(self) -> Self::IntoIter { SectionIteratorLimited::new(self) } }