From cf831b1a65625f29d6e1bc12483a45c1adc8dff4 Mon Sep 17 00:00:00 2001 From: Jason Hansen Date: Tue, 9 Nov 2021 18:53:14 -0700 Subject: [PATCH] Allow piping from stdin into a buffer on startup (#996) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Allow piping from stdin into a buffer on startup * Refactor * Don't allow piping into new buffer on macOS * Update helix-term/src/application.rs Co-authored-by: Blaž Hrastnik * Update helix-term/src/application.rs Co-authored-by: Blaž Hrastnik * Fix Co-authored-by: Blaž Hrastnik --- helix-term/src/application.rs | 14 ++++++++++++-- helix-view/src/editor.rs | 17 +++++++++++++---- 2 files changed, 25 insertions(+), 6 deletions(-) diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs index f1884199..b04eef0d 100644 --- a/helix-term/src/application.rs +++ b/helix-term/src/application.rs @@ -7,7 +7,7 @@ use crate::{args::Args, compositor::Compositor, config::Config, job::Jobs, ui}; use log::{error, warn}; use std::{ - io::{stdout, Write}, + io::{stdin, stdout, Write}, sync::Arc, time::{Duration, Instant}, }; @@ -17,6 +17,7 @@ use anyhow::Error; use crossterm::{ event::{DisableMouseCapture, EnableMouseCapture, Event, EventStream}, execute, terminal, + tty::IsTty, }; #[cfg(not(windows))] use { @@ -134,8 +135,17 @@ impl Application { } editor.set_status(format!("Loaded {} files.", nr_of_files)); } - } else { + } else if stdin().is_tty() { editor.new_file(Action::VerticalSplit); + } else if cfg!(target_os = "macos") { + // On Linux and Windows, we allow the output of a command to be piped into the new buffer. + // This doesn't currently work on macOS because of the following issue: + // https://github.com/crossterm-rs/crossterm/issues/500 + anyhow::bail!("Piping into helix-term is currently not supported on macOS"); + } else { + editor + .new_file_from_stdin(Action::VerticalSplit) + .unwrap_or_else(|_| editor.new_file(Action::VerticalSplit)); } editor.set_theme(theme); diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs index 631dcf0c..7650d217 100644 --- a/helix-view/src/editor.rs +++ b/helix-view/src/editor.rs @@ -9,6 +9,7 @@ use crate::{ use futures_util::future; use std::{ collections::BTreeMap, + io::stdin, path::{Path, PathBuf}, pin::Pin, sync::Arc, @@ -314,16 +315,24 @@ impl Editor { self._refresh(); } - pub fn new_file(&mut self, action: Action) -> DocumentId { + fn new_file_from_document(&mut self, action: Action, mut document: Document) -> DocumentId { let id = DocumentId(self.next_document_id); self.next_document_id += 1; - let mut doc = Document::default(); - doc.id = id; - self.documents.insert(id, doc); + document.id = id; + self.documents.insert(id, document); self.switch(id, action); id } + pub fn new_file(&mut self, action: Action) -> DocumentId { + self.new_file_from_document(action, Document::default()) + } + + pub fn new_file_from_stdin(&mut self, action: Action) -> Result { + let (rope, encoding) = crate::document::from_reader(&mut stdin(), None)?; + Ok(self.new_file_from_document(action, Document::from(rope, Some(encoding)))) + } + pub fn open(&mut self, path: PathBuf, action: Action) -> Result { let path = helix_core::path::get_canonicalized_path(&path)?;