git.delta.rocks / jrsonnet / refs/commits / d37d57f47273

1use clap::Clap;1use clap::Clap;
2use jsonnet_evaluator::Val;2use jsonnet_evaluator::Val;
3use std::str::FromStr;
4
5enum Format {
6	None,
7	Json,
8}
9
10impl FromStr for Format {
11	type Err = &'static str;
12	fn from_str(s: &str) -> Result<Self, Self::Err> {
13		Ok(match s {
14			"none" => Format::None,
15			"json" => Format::Json,
16			_ => return Err("no such format"),
17		})
18	}
19}
320
4#[derive(Clap)]21#[derive(Clap)]
5#[clap(version = "0.1.0", author = "Lach <iam@lach.pw>")]22#[clap(version = "0.1.0", author = "Lach <iam@lach.pw>")]
8	input: String,25	input: String,
9	#[clap(long, about = "Disable global std variable")]26	#[clap(long, about = "Disable global std variable")]
10	no_stdlib: bool,27	no_stdlib: bool,
28	#[clap(long, short = "f", default_value = "none", possible_values = &["none", "json"])]
29	format: Format,
11}30}
1231
13fn main() {32fn main() {
24		.unwrap();43		.unwrap();
25	let result = evaluator.evaluate_file(&opts.input);44	let result = evaluator.evaluate_file(&opts.input);
26	match result {45	match result {
27		Ok(v) => match v {46		Ok(mut v) => {
47			if let Format::Json = opts.format {
48				if opts.no_stdlib {
49					evaluator.add_stdlib();
50				}
51				evaluator.add_global("__tmp__to_json__".to_owned(), v);
52				v = evaluator
53					.parse_evaluate_raw("std.manifestJson(__tmp__to_json__)")
54					.expect("json serialization");
55			}
56			match v {
28			Val::Str(s) => println!("{}", s),57			Val::Str(s) => println!("{}", s),
29			Val::Num(n) => println!("{}", n),58			Val::Num(n) => println!("{}", n),
30			_v => eprintln!(59			_v => eprintln!(
31				"jsonnet output is not a string.\nDid you forgot to set --format, or wrap your data with std.manifestJson?"60				"jsonnet output is not a string.\nDid you forgot to set --format, or wrap your data with std.manifestJson?"
32			),61			),
33		},62		}
63		}
34		Err(err) => {64		Err(err) => {
35			println!("Error: {:?}", err.0);65			println!("Error: {:?}", err.0);
36			use annotate_snippets::{66			use annotate_snippets::{