2019-05-18 03:24:13 +02:00
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use crate::errors::ShellError;
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use crate::prelude::*;
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use prettyprint::PrettyPrinter;
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2019-05-23 09:23:06 +02:00
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pub fn view(args: CommandArgs) -> Result<OutputStream, ShellError> {
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2019-06-22 05:43:37 +02:00
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if args.len() == 0 {
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2019-06-15 20:36:17 +02:00
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return Err(ShellError::maybe_labeled_error(
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"View requires a filename",
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"needs parameter",
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args.name_span,
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));
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2019-06-08 00:35:07 +02:00
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}
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2019-06-22 05:43:37 +02:00
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let target = match args.expect_nth(0)?.as_string() {
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2019-06-08 00:35:07 +02:00
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Ok(s) => s.clone(),
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Err(e) => {
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if let Some(span) = args.name_span {
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return Err(ShellError::labeled_error(
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"Expected a string",
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"not a filename",
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span,
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));
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} else {
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return Err(e);
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}
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}
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2019-05-22 09:12:03 +02:00
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};
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2019-05-18 03:24:13 +02:00
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2019-06-13 23:47:25 +02:00
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let cwd = args
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.env
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.lock()
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.unwrap()
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2019-06-15 19:52:55 +02:00
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.front()
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2019-06-13 23:47:25 +02:00
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.unwrap()
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.path()
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.to_path_buf();
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2019-05-18 03:24:13 +02:00
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2019-05-22 09:12:03 +02:00
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let printer = PrettyPrinter::default()
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.line_numbers(false)
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.header(false)
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.grid(false)
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.build()
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.map_err(|e| ShellError::string(e))?;
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2019-05-18 03:24:13 +02:00
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2019-05-22 09:12:03 +02:00
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let file = cwd.join(target);
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2019-05-18 03:24:13 +02:00
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2019-05-22 09:12:03 +02:00
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let _ = printer.file(file.display().to_string());
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2019-05-18 03:24:13 +02:00
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2019-05-23 09:23:06 +02:00
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Ok(VecDeque::new().boxed())
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2019-05-18 03:24:13 +02:00
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}
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