h3o_cli/commands/
decompress.rs

1//! Expose [`h3o_zip::decompress`]
2
3use anyhow::{Context, Result as AnyResult};
4use clap::{Parser, ValueEnum};
5use std::io::{self, Read};
6
7/// Decompress and print the cell indexes from the compressed input on stdin.
8#[derive(Parser, Debug)]
9pub struct Args {
10    /// Output format.
11    #[arg(short, long, value_enum, default_value_t = Format::Text)]
12    format: Format,
13
14    /// Prettify the output (JSON only).
15    #[arg(short, long, default_value_t = false)]
16    pretty: bool,
17}
18
19#[derive(Debug, Copy, Clone, PartialEq, Eq, ValueEnum)]
20enum Format {
21    Text,
22    Json,
23}
24
25/// Run the `cellToPolygon` command.
26pub fn run(args: &Args) -> AnyResult<()> {
27    let mut bytes = Vec::new();
28    io::stdin()
29        .read_to_end(&mut bytes)
30        .context("read bytes from stdin")?;
31    let indexes = h3o_zip::decompress(bytes.as_slice());
32
33    match args.format {
34        Format::Text => {
35            for index in indexes {
36                println!("{}", index.context("decompress")?);
37            }
38        }
39        Format::Json => {
40            let indexes = indexes
41                .map(|index| index.map(Into::into))
42                .collect::<Result<Vec<crate::json::CellIndex>, _>>()
43                .context("decompress")?;
44            crate::json::print(&indexes, args.pretty)?;
45        }
46    }
47
48    Ok(())
49}
h3o_cli/commands/decompress.rs

h3o_cli/commands/
decompress.rs
