2019-08-19 07:16:39 +02:00
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use crate::commands::WholeStreamCommand;
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2019-09-05 18:23:42 +02:00
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use crate::data::TaggedDictBuilder;
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2019-09-11 16:36:50 +02:00
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use crate::errors::ShellError;
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2019-08-07 19:49:11 +02:00
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use crate::prelude::*;
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2019-10-13 06:12:43 +02:00
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use std::sync::atomic::Ordering;
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2019-08-07 19:49:11 +02:00
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2019-08-19 07:16:39 +02:00
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pub struct Shells;
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impl WholeStreamCommand for Shells {
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fn name(&self) -> &str {
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"shells"
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}
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fn signature(&self) -> Signature {
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Signature::build("shells")
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}
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2019-08-30 00:52:32 +02:00
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fn usage(&self) -> &str {
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"Display the list of current shells."
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}
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fn run(
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&self,
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args: CommandArgs,
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registry: &CommandRegistry,
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) -> Result<OutputStream, ShellError> {
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shells(args, registry)
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}
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2019-08-19 07:16:39 +02:00
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}
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fn shells(args: CommandArgs, _registry: &CommandRegistry) -> Result<OutputStream, ShellError> {
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2019-08-07 19:49:11 +02:00
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let mut shells_out = VecDeque::new();
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2019-09-14 18:30:24 +02:00
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let tag = args.call_info.name_tag;
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2019-08-07 19:49:11 +02:00
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2019-08-10 22:18:14 +02:00
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for (index, shell) in args.shell_manager.shells.lock().unwrap().iter().enumerate() {
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2019-10-13 06:12:43 +02:00
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let mut dict = TaggedDictBuilder::new(&tag);
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2019-08-10 22:18:14 +02:00
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2019-10-13 06:12:43 +02:00
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if index == (*args.shell_manager.current_shell).load(Ordering::SeqCst) {
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2019-11-21 15:33:14 +01:00
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dict.insert_untagged(" ", "X".to_string());
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2019-08-10 22:18:14 +02:00
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} else {
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2019-11-21 15:33:14 +01:00
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dict.insert_untagged(" ", " ".to_string());
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2019-08-10 22:18:14 +02:00
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}
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2019-11-21 15:33:14 +01:00
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dict.insert_untagged("name", shell.name());
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dict.insert_untagged("path", shell.path());
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2019-08-07 19:49:11 +02:00
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2019-11-21 15:33:14 +01:00
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shells_out.push_back(dict.into_value());
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2019-08-07 19:49:11 +02:00
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}
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Ok(shells_out.to_output_stream())
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}
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