rustex_lib 0.1.13

A crate for converting TeX/pdfTeX to HTML
Documentation 
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

use tex_engine::engine::filesystem::FileSystem;
use tex_engine::engine::fontsystem::{Font, FontSystem as FontSystemT};
use tex_engine::engine::{EngineAux, EngineTypes};
use tex_engine::tex::numerics::Dim32;
use tex_engine::tex::tokens::control_sequences::InternedCSName;

pub(crate) type FontStore = tex_glyphs::encodings::FontInfoStore<String, fn(&str) -> String>;

fn get(s: &str) -> String {
    match tex_engine::engine::filesystem::kpathsea::KPATHSEA.which(s) {
        Some(p) => p.display().to_string(),
        None => s.to_string(),
    }
}
#[derive(Clone, Debug)]
pub struct Fontsystem {
    fs: tex_engine::engine::fontsystem::TfmFontSystem<i32, Dim32, InternedCSName<u8>>,
    pub glyphmaps: FontStore,
}
impl FontSystemT for Fontsystem {
    type Char = u8;
    type Int = i32;
    type Font = tex_engine::engine::fontsystem::TfmFont<i32, Dim32, InternedCSName<u8>>;
    type Dim = Dim32;
    type CS = InternedCSName<u8>;
    fn new<ET: EngineTypes<Char = Self::Char, CSName = Self::CS>>(aux: &mut EngineAux<ET>) -> Self {
        Fontsystem {
            fs: tex_engine::engine::fontsystem::TfmFontSystem::new(aux),
            glyphmaps: FontStore::new(get),
        }
    }

    fn new_font<S: AsRef<str>, F: FileSystem>(
        &mut self,
        path: S,
        macroname: <Self::Font as Font>::CS,
        fs: &mut F,
    ) -> Self::Font {
        self.fs.new_font(path, macroname, fs)
    }

    fn null(&self) -> Self::Font {
        self.fs.null()
    }
}