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denoland-deno/cli/flags.rs
2019-04-13 13:24:15 -04:00

395 lines
9.9 KiB
Rust

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
use deno::v8_set_flags;
// Creates vector of strings, Vec<String>
#[cfg(test)]
macro_rules! svec {
($($x:expr),*) => (vec![$($x.to_string()),*]);
}
#[cfg_attr(feature = "cargo-clippy", allow(stutter))]
#[derive(Clone, Debug, PartialEq, Default)]
pub struct DenoFlags {
pub log_debug: bool,
pub version: bool,
pub reload: bool,
pub allow_read: bool,
pub allow_write: bool,
pub allow_net: bool,
pub allow_env: bool,
pub allow_run: bool,
pub allow_high_precision: bool,
pub no_prompts: bool,
pub types: bool,
pub prefetch: bool,
pub info: bool,
pub fmt: bool,
pub eval: bool,
}
impl<'a> From<ArgMatches<'a>> for DenoFlags {
fn from(matches: ArgMatches) -> DenoFlags {
let mut flags = DenoFlags::default();
if matches.is_present("log-debug") {
flags.log_debug = true;
}
if matches.is_present("version") {
flags.version = true;
}
if matches.is_present("reload") {
flags.reload = true;
}
if matches.is_present("allow-read") {
flags.allow_read = true;
}
if matches.is_present("allow-write") {
flags.allow_write = true;
}
if matches.is_present("allow-net") {
flags.allow_net = true;
}
if matches.is_present("allow-env") {
flags.allow_env = true;
}
if matches.is_present("allow-run") {
flags.allow_run = true;
}
if matches.is_present("allow-high-precision") {
flags.allow_high_precision = true;
}
if matches.is_present("allow-all") {
flags.allow_read = true;
flags.allow_env = true;
flags.allow_net = true;
flags.allow_run = true;
flags.allow_read = true;
flags.allow_write = true;
flags.allow_high_precision = true;
}
if matches.is_present("no-prompt") {
flags.no_prompts = true;
}
if matches.is_present("types") {
flags.types = true;
}
if matches.is_present("prefetch") {
flags.prefetch = true;
}
if matches.is_present("info") {
flags.info = true;
}
if matches.is_present("fmt") {
flags.fmt = true;
}
if matches.is_present("eval") {
flags.eval = true;
}
flags
}
}
static ENV_VARIABLES_HELP: &str = "ENVIRONMENT VARIABLES:
DENO_DIR Set deno's base directory
NO_COLOR Set to disable color";
fn create_cli_app<'a, 'b>() -> App<'a, 'b> {
let cli_app = App::new("deno")
.bin_name("deno")
.global_settings(&[AppSettings::ColorNever])
.settings(&[
AppSettings::AllowExternalSubcommands,
AppSettings::DisableHelpSubcommand,
]).after_help(ENV_VARIABLES_HELP)
.arg(
Arg::with_name("version")
.short("v")
.long("version")
.help("Print the version"),
).arg(
Arg::with_name("allow-read")
.long("allow-read")
.help("Allow file system read access"),
).arg(
Arg::with_name("allow-write")
.long("allow-write")
.help("Allow file system write access"),
).arg(
Arg::with_name("allow-net")
.long("allow-net")
.help("Allow network access"),
).arg(
Arg::with_name("allow-env")
.long("allow-env")
.help("Allow environment access"),
).arg(
Arg::with_name("allow-run")
.long("allow-run")
.help("Allow running subprocesses"),
).arg(
Arg::with_name("allow-high-precision")
.long("allow-high-precision")
.help("Allow high precision time measurement"),
).arg(
Arg::with_name("allow-all")
.short("A")
.long("allow-all")
.help("Allow all permissions"),
).arg(
Arg::with_name("no-prompt")
.long("no-prompt")
.help("Do not use prompts"),
).arg(
Arg::with_name("log-debug")
.short("D")
.long("log-debug")
.help("Log debug output"),
).arg(
Arg::with_name("reload")
.short("r")
.long("reload")
.help("Reload source code cache (recompile TypeScript)"),
).arg(
Arg::with_name("v8-options")
.long("v8-options")
.help("Print V8 command line options"),
).arg(
Arg::with_name("v8-flags")
.long("v8-flags")
.takes_value(true)
.require_equals(true)
.help("Set V8 command line options"),
).arg(
Arg::with_name("types")
.long("types")
.help("Print runtime TypeScript declarations"),
).arg(
Arg::with_name("prefetch")
.long("prefetch")
.help("Prefetch the dependencies"),
).subcommand(
SubCommand::with_name("info")
.setting(AppSettings::DisableVersion)
.about("Show source file related info")
.arg(Arg::with_name("file").takes_value(true).required(true)),
).subcommand(
SubCommand::with_name("eval")
.setting(AppSettings::DisableVersion)
.about("Eval script")
.arg(Arg::with_name("code").takes_value(true).required(true)),
).subcommand(
SubCommand::with_name("fmt")
.setting(AppSettings::DisableVersion)
.about("Format files")
.arg(
Arg::with_name("files")
.takes_value(true)
.multiple(true)
.required(true),
),
).subcommand(
// this is a fake subcommand - it's used in conjunction with
// AppSettings:AllowExternalSubcommand to treat it as an
// entry point script
SubCommand::with_name("<script>").about("Script to run"),
);
cli_app
}
#[cfg_attr(feature = "cargo-clippy", allow(stutter))]
pub fn set_flags(
args: Vec<String>,
) -> Result<(DenoFlags, Vec<String>), String> {
let mut rest_argv: Vec<String> = vec!["deno".to_string()];
let cli_app = create_cli_app();
let matches = cli_app.get_matches_from(args);
match matches.subcommand() {
("eval", Some(info_match)) => {
let code: &str = info_match.value_of("code").unwrap();
rest_argv.extend(vec![code.to_string()]);
}
("info", Some(info_match)) => {
let file: &str = info_match.value_of("file").unwrap();
rest_argv.extend(vec![file.to_string()]);
}
("fmt", Some(fmt_match)) => {
let files: Vec<String> = fmt_match
.values_of("files")
.unwrap()
.map(String::from)
.collect();
rest_argv.extend(files);
}
(script, Some(script_match)) => {
rest_argv.extend(vec![script.to_string()]);
// check if there are any extra arguments that should
// be passed to script
if script_match.is_present("") {
let script_args: Vec<String> = script_match
.values_of("")
.unwrap()
.map(String::from)
.collect();
rest_argv.extend(script_args);
}
}
_ => {}
}
if matches.is_present("v8-options") {
// display v8 help and exit
// TODO(bartlomieju): this relies on `v8_set_flags` to swap `--v8-options` to help
v8_set_flags(vec!["deno".to_string(), "--v8-options".to_string()]);
}
if matches.is_present("v8-flags") {
let mut v8_flags: Vec<String> = matches
.values_of("v8-flags")
.unwrap()
.map(String::from)
.collect();
v8_flags.insert(1, "deno".to_string());
v8_set_flags(v8_flags);
}
let flags = DenoFlags::from(matches);
Ok((flags, rest_argv))
}
#[test]
fn test_set_flags_1() {
let (flags, rest) = set_flags(svec!["deno", "--version"]).unwrap();
assert_eq!(rest, svec!["deno"]);
assert_eq!(
flags,
DenoFlags {
version: true,
..DenoFlags::default()
}
);
}
#[test]
fn test_set_flags_2() {
let (flags, rest) =
set_flags(svec!["deno", "-r", "-D", "script.ts"]).unwrap();
assert_eq!(rest, svec!["deno", "script.ts"]);
assert_eq!(
flags,
DenoFlags {
log_debug: true,
reload: true,
..DenoFlags::default()
}
);
}
#[test]
fn test_set_flags_3() {
let (flags, rest) =
set_flags(svec!["deno", "-r", "--allow-write", "script.ts"]).unwrap();
assert_eq!(rest, svec!["deno", "script.ts"]);
assert_eq!(
flags,
DenoFlags {
reload: true,
allow_write: true,
..DenoFlags::default()
}
);
}
#[test]
fn test_set_flags_4() {
let (flags, rest) =
set_flags(svec!["deno", "-Dr", "--allow-write", "script.ts"]).unwrap();
assert_eq!(rest, svec!["deno", "script.ts"]);
assert_eq!(
flags,
DenoFlags {
log_debug: true,
reload: true,
allow_write: true,
..DenoFlags::default()
}
);
}
#[test]
fn test_set_flags_5() {
let (flags, rest) = set_flags(svec!["deno", "--types"]).unwrap();
assert_eq!(rest, svec!["deno"]);
assert_eq!(
flags,
DenoFlags {
types: true,
..DenoFlags::default()
}
)
}
#[test]
fn test_set_flags_6() {
let (flags, rest) =
set_flags(svec!["deno", "--allow-net", "gist.ts", "--title", "X"]).unwrap();
assert_eq!(rest, svec!["deno", "gist.ts", "--title", "X"]);
assert_eq!(
flags,
DenoFlags {
allow_net: true,
..DenoFlags::default()
}
)
}
#[test]
fn test_set_flags_7() {
let (flags, rest) =
set_flags(svec!["deno", "--allow-all", "gist.ts"]).unwrap();
assert_eq!(rest, svec!["deno", "gist.ts"]);
assert_eq!(
flags,
DenoFlags {
allow_net: true,
allow_env: true,
allow_run: true,
allow_read: true,
allow_write: true,
allow_high_precision: true,
..DenoFlags::default()
}
)
}
#[test]
fn test_set_flags_8() {
let (flags, rest) =
set_flags(svec!["deno", "--allow-read", "gist.ts"]).unwrap();
assert_eq!(rest, svec!["deno", "gist.ts"]);
assert_eq!(
flags,
DenoFlags {
allow_read: true,
..DenoFlags::default()
}
)
}
#[test]
fn test_set_flags_9() {
let (flags, rest) =
set_flags(svec!["deno", "--allow-high-precision", "script.ts"]).unwrap();
assert_eq!(rest, svec!["deno", "script.ts"]);
assert_eq!(
flags,
DenoFlags {
allow_high_precision: true,
..DenoFlags::default()
}
)
}