57 lines
1.4 KiB
Rust
57 lines
1.4 KiB
Rust
//! `Terminal` type.
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use super::{trmf, trmg};
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use crate::{bin, err::*, text};
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/// Reads a `term` chunk.
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pub fn read(b: &[u8]) -> ResultS<(Terminal, usize)>
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{
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read_data! {
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endian: BIG, buf: b, size: 10, start: 0, data {
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let end = u16[0] usize;
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let encoded = u16[2];
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let lines = u16[4];
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let group_n = u16[6] usize;
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let face_n = u16[8] usize;
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}
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}
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let (i_grp, x) = bin::rd_array_num(&b[10..], group_n, trmg::read)?;
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let (faces, y) = bin::rd_array_num(&b[10 + x..], face_n, trmf::read)?;
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let text = ok!(b.get(10 + x + y..end), "not enough data")?;
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let text = if encoded != 0 {
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text::fuck_string(text)
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} else {
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text.to_vec()
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};
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let mut groups = Vec::with_capacity(group_n);
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for grp in &i_grp {
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let flags = grp.flags;
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let ttype = grp.ttype;
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let lines = grp.lines;
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let beg = grp.beg;
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let len = grp.len;
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let text = ok!(text.get(beg..beg + len), "bad offset")?;
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let text = text::mac_roman_cstr(text);
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groups.push(trmg::Group{flags, ttype, lines, text});
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}
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Ok((Terminal{lines, groups, faces}, end))
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}
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/// A terminal definition, with collections of groups and faces.
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#[cfg_attr(feature = "serde_obj", derive(serde::Serialize))]
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#[derive(Debug, Eq, PartialEq)]
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pub struct Terminal
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{
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pub lines: u16,
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pub groups: Vec<trmg::Group>,
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pub faces: Vec<trmf::Face>,
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}
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// EOF
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