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use crate::compact1::{Offset, OffsetSize};
use crate::{Result, Tape, Value};
table! {
@define
#[doc = "An index."]
pub Index {
count (u16 ), offset_size (OffsetSize ), offsets (Vec<Offset> ), data (Vec<Vec<u8>>), }
}
dereference! { Index::data => [Vec<u8>] }
impl Value for Index {
fn read<T: Tape>(tape: &mut T) -> Result<Self> {
let count = tape.take::<u16>()?;
if count == 0 {
return Ok(Index {
count: 0,
offset_size: 0,
offsets: vec![],
data: vec![],
});
}
let offset_size = tape.take::<OffsetSize>()?;
let mut offsets = Vec::with_capacity(count as usize + 1);
for _ in 0..(count as usize + 1) {
let offset = tape.take_given::<Offset>(offset_size)?;
offsets.push(offset);
}
if offsets[0] != Offset(1) {
raise!("found a malformed index");
}
let mut data = Vec::with_capacity(count as usize);
for i in 0..(count as usize) {
if offsets[i] > offsets[i + 1] {
raise!("found a malformed index");
}
let size = (offsets[i + 1].0 - offsets[i].0) as usize;
data.push(tape.take_given(size)?);
}
Ok(Index {
count,
offset_size,
offsets,
data,
})
}
}
macro_rules! index {
($(#[$attribute:meta])* pub $structure:ident) => (
index! { @define $(#[$attribute])* pub $structure }
index! { @implement $structure }
);
(@define $(#[$attribute:meta])* pub $structure:ident) => (
$(#[$attribute])*
#[derive(Clone, Debug)]
pub struct $structure(pub crate::compact1::index::Index);
dereference! { $structure::0 => crate::compact1::index::Index }
);
(@implement $structure:ident) => (
impl typeface::Value for $structure {
#[inline]
fn read<T: typeface::Tape>(tape: &mut T) -> typeface::Result<Self> {
Ok($structure(tape.take()?))
}
}
);
}
mod character_strings;
mod dictionaries;
mod names;
mod strings;
mod subroutines;
pub use character_strings::CharacterStrings;
pub use dictionaries::Dictionaries;
pub use names::Names;
pub use strings::Strings;
pub use subroutines::Subroutines;