mirror of
https://github.com/denoland/deno.git
synced 2024-11-02 09:34:19 -04:00
356 lines
8.7 KiB
Rust
356 lines
8.7 KiB
Rust
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
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// Creates vector of strings, Vec<String>
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#[cfg(test)]
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macro_rules! svec {
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($($x:expr),*) => (vec![$($x.to_string()),*]);
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}
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#[cfg_attr(feature = "cargo-clippy", allow(stutter))]
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#[derive(Clone, Debug, PartialEq, Default)]
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pub struct DenoFlags {
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pub log_debug: bool,
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pub version: bool,
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pub reload: bool,
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pub allow_read: bool,
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pub allow_write: bool,
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pub allow_net: bool,
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pub allow_env: bool,
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pub allow_run: bool,
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pub allow_high_precision: bool,
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pub no_prompts: bool,
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pub v8_help: bool,
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pub v8_flags: Option<Vec<String>>,
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}
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static ENV_VARIABLES_HELP: &str = "ENVIRONMENT VARIABLES:
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DENO_DIR Set deno's base directory
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NO_COLOR Set to disable color";
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pub fn create_cli_app<'a, 'b>() -> App<'a, 'b> {
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App::new("deno")
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.bin_name("deno")
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.global_settings(&[AppSettings::ColorNever])
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.settings(&[
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AppSettings::AllowExternalSubcommands,
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AppSettings::DisableVersion,
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]).after_help(ENV_VARIABLES_HELP)
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.arg(
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Arg::with_name("allow-read")
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.long("allow-read")
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.help("Allow file system read access"),
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).arg(
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Arg::with_name("allow-write")
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.long("allow-write")
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.help("Allow file system write access"),
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).arg(
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Arg::with_name("allow-net")
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.long("allow-net")
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.help("Allow network access"),
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).arg(
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Arg::with_name("allow-env")
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.long("allow-env")
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.help("Allow environment access"),
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).arg(
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Arg::with_name("allow-run")
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.long("allow-run")
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.help("Allow running subprocesses"),
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).arg(
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Arg::with_name("allow-high-precision")
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.long("allow-high-precision")
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.help("Allow high precision time measurement"),
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).arg(
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Arg::with_name("allow-all")
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.short("A")
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.long("allow-all")
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.help("Allow all permissions"),
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).arg(
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Arg::with_name("no-prompt")
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.long("no-prompt")
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.help("Do not use prompts"),
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).arg(
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Arg::with_name("log-debug")
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.short("D")
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.long("log-debug")
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.help("Log debug output"),
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).arg(
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Arg::with_name("reload")
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.short("r")
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.long("reload")
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.help("Reload source code cache (recompile TypeScript)"),
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).arg(
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Arg::with_name("v8-options")
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.long("v8-options")
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.help("Print V8 command line options"),
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).arg(
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Arg::with_name("v8-flags")
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.long("v8-flags")
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.takes_value(true)
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.use_delimiter(true)
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.require_equals(true)
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.help("Set V8 command line options"),
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).subcommand(
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SubCommand::with_name("version")
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.setting(AppSettings::DisableVersion)
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.about("Print the version"),
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).subcommand(
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SubCommand::with_name("fetch")
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.setting(AppSettings::DisableVersion)
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.about("Fetch the dependencies")
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.arg(Arg::with_name("file").takes_value(true).required(true)),
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).subcommand(
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SubCommand::with_name("types")
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.setting(AppSettings::DisableVersion)
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.about("Print runtime TypeScript declarations"),
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).subcommand(
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SubCommand::with_name("info")
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.setting(AppSettings::DisableVersion)
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.about("Show source file related info")
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.arg(Arg::with_name("file").takes_value(true).required(true)),
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).subcommand(
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SubCommand::with_name("eval")
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.setting(AppSettings::DisableVersion)
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.about("Eval script")
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.arg(Arg::with_name("code").takes_value(true).required(true)),
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).subcommand(
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SubCommand::with_name("fmt")
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.setting(AppSettings::DisableVersion)
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.about("Format files")
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.arg(
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Arg::with_name("files")
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.takes_value(true)
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.multiple(true)
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.required(true),
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),
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).subcommand(
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// this is a fake subcommand - it's used in conjunction with
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// AppSettings:AllowExternalSubcommand to treat it as an
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// entry point script
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SubCommand::with_name("<script>").about("Script to run"),
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)
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}
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/// Parse ArgMatches into internal DenoFlags structure.
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/// This method should not make any side effects.
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#[cfg_attr(feature = "cargo-clippy", allow(stutter))]
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pub fn parse_flags(matches: ArgMatches) -> DenoFlags {
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let mut flags = DenoFlags::default();
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if matches.is_present("log-debug") {
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flags.log_debug = true;
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}
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if matches.is_present("version") {
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flags.version = true;
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}
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if matches.is_present("reload") {
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flags.reload = true;
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}
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if matches.is_present("allow-read") {
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flags.allow_read = true;
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}
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if matches.is_present("allow-write") {
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flags.allow_write = true;
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}
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if matches.is_present("allow-net") {
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flags.allow_net = true;
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}
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if matches.is_present("allow-env") {
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flags.allow_env = true;
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}
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if matches.is_present("allow-run") {
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flags.allow_run = true;
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}
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if matches.is_present("allow-high-precision") {
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flags.allow_high_precision = true;
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}
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if matches.is_present("allow-all") {
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flags.allow_read = true;
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flags.allow_env = true;
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flags.allow_net = true;
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flags.allow_run = true;
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flags.allow_read = true;
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flags.allow_write = true;
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flags.allow_high_precision = true;
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}
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if matches.is_present("no-prompt") {
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flags.no_prompts = true;
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}
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if matches.is_present("v8-options") {
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flags.v8_help = true;
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}
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if matches.is_present("v8-flags") {
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let v8_flags: Vec<String> = matches
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.values_of("v8-flags")
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.unwrap()
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.map(String::from)
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.collect();
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flags.v8_flags = Some(v8_flags);
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}
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flags
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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fn flags_from_vec(args: Vec<String>) -> DenoFlags {
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let cli_app = create_cli_app();
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let matches = cli_app.get_matches_from(args);
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parse_flags(matches)
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}
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#[test]
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fn test_set_flags_1() {
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let flags = flags_from_vec(svec!["deno", "version"]);
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assert_eq!(
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flags,
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DenoFlags {
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version: true,
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..DenoFlags::default()
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}
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);
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}
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#[test]
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fn test_set_flags_2() {
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let flags = flags_from_vec(svec!["deno", "-r", "-D", "script.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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log_debug: true,
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reload: true,
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..DenoFlags::default()
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}
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);
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}
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#[test]
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fn test_set_flags_3() {
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let flags =
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flags_from_vec(svec!["deno", "-r", "--allow-write", "script.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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reload: true,
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allow_write: true,
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..DenoFlags::default()
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}
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);
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}
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#[test]
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fn test_set_flags_4() {
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let flags =
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flags_from_vec(svec!["deno", "-Dr", "--allow-write", "script.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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log_debug: true,
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reload: true,
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allow_write: true,
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..DenoFlags::default()
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}
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);
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}
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#[test]
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fn test_set_flags_5() {
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let flags = flags_from_vec(svec!["deno", "--v8-options"]);
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assert_eq!(
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flags,
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DenoFlags {
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v8_help: true,
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..DenoFlags::default()
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}
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);
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let flags =
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flags_from_vec(svec!["deno", "--v8-flags=--expose-gc,--gc-stats=1"]);
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assert_eq!(
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flags,
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DenoFlags {
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v8_flags: Some(svec!["--expose-gc", "--gc-stats=1"]),
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..DenoFlags::default()
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}
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);
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}
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#[test]
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fn test_set_flags_6() {
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let flags =
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flags_from_vec(svec!["deno", "--allow-net", "gist.ts", "--title", "X"]);
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assert_eq!(
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flags,
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DenoFlags {
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allow_net: true,
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..DenoFlags::default()
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}
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)
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}
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#[test]
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fn test_set_flags_7() {
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let flags = flags_from_vec(svec!["deno", "--allow-all", "gist.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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allow_net: true,
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allow_env: true,
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allow_run: true,
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allow_read: true,
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allow_write: true,
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allow_high_precision: true,
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..DenoFlags::default()
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}
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)
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}
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#[test]
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fn test_set_flags_8() {
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let flags = flags_from_vec(svec!["deno", "--allow-read", "gist.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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allow_read: true,
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..DenoFlags::default()
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}
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)
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}
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#[test]
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fn test_set_flags_9() {
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let flags =
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flags_from_vec(svec!["deno", "--allow-high-precision", "script.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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allow_high_precision: true,
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..DenoFlags::default()
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}
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)
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}
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#[test]
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fn test_set_flags_10() {
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// notice that flags passed after script name will not
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// be parsed to DenoFlags but instead forwarded to
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// script args as Deno.args
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let flags = flags_from_vec(svec![
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"deno",
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"--allow-write",
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"script.ts",
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"-D",
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"--allow-net"
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]);
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assert_eq!(
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flags,
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DenoFlags {
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allow_write: true,
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..DenoFlags::default()
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}
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)
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}
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}
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