otl_normalizer/
args.rs

1use std::{path::PathBuf, str::FromStr};
2
3#[derive(Clone, Debug, clap::Parser)]
4#[command(version)]
5pub struct Args {
6    pub font_path: PathBuf,
7    #[arg(short, long)]
8    /// Optional destination path for writing output. Default is stdout.
9    pub out: Option<PathBuf>,
10    /// Target table to print, one of gpos/gsub/all (case insensitive)
11    #[arg(short, long, default_value_t)]
12    pub table: Table,
13    /// Index of font to examine, if target is a font collection
14    #[arg(short, long)]
15    pub index: Option<u32>,
16}
17
18/// What table to print
19#[derive(Clone, Debug, Default)]
20pub enum Table {
21    #[default]
22    All,
23    Gpos,
24    Gsub,
25    Gdef,
26}
27
28impl std::fmt::Display for Table {
29    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
30        match self {
31            Table::All => f.write_str("all"),
32            Table::Gpos => f.write_str("gpos"),
33            Table::Gsub => f.write_str("gsub"),
34            Table::Gdef => f.write_str("gdef"),
35        }
36    }
37}
38
39impl FromStr for Table {
40    type Err = &'static str;
41
42    fn from_str(s: &str) -> Result<Self, Self::Err> {
43        static ERR_MSG: &str = "expected one of 'gsub', 'gpos', 'gdef', 'all'";
44        match s.to_ascii_lowercase().trim() {
45            "gpos" => Ok(Self::Gpos),
46            "gsub" => Ok(Self::Gsub),
47            "gdef" => Ok(Self::Gdef),
48            "all" => Ok(Self::All),
49            _ => Err(ERR_MSG),
50        }
51    }
52}
otl_normalizer/args.rs

otl_normalizer/
args.rs
