Move everything into `crates/` directory

1 files changed, 79 insertions, 0 deletions

diff --git a/crates/typst-cli/src/main.rs b/crates/typst-cli/src/main.rs
new file mode 100644
index 00000000..425d05fd
--- /dev/null
+++ b/crates/typst-cli/src/main.rs
@@ -0,0 +1,79 @@
+mod args;
+mod compile;
+mod fonts;
+mod package;
+mod tracing;
+mod watch;
+mod world;
+
+use std::cell::Cell;
+use std::env;
+use std::io::{self, IsTerminal, Write};
+use std::process::ExitCode;
+
+use clap::Parser;
+use codespan_reporting::term::{self, termcolor};
+use termcolor::{ColorChoice, WriteColor};
+
+use crate::args::{CliArguments, Command};
+
+thread_local! {
+    /// The CLI's exit code.
+    static EXIT: Cell<ExitCode> = Cell::new(ExitCode::SUCCESS);
+}
+
+/// Entry point.
+fn main() -> ExitCode {
+    let arguments = CliArguments::parse();
+    let _guard = match crate::tracing::setup_tracing(&arguments) {
+        Ok(guard) => guard,
+        Err(err) => {
+            eprintln!("failed to initialize tracing {}", err);
+            None
+        }
+    };
+
+    let res = match arguments.command {
+        Command::Compile(command) => crate::compile::compile(command),
+        Command::Watch(command) => crate::watch::watch(command),
+        Command::Fonts(command) => crate::fonts::fonts(command),
+    };
+
+    if let Err(msg) = res {
+        set_failed();
+        print_error(&msg).expect("failed to print error");
+    }
+
+    EXIT.with(|cell| cell.get())
+}
+
+/// Ensure a failure exit code.
+fn set_failed() {
+    EXIT.with(|cell| cell.set(ExitCode::FAILURE));
+}
+
+/// Print an application-level error (independent from a source file).
+fn print_error(msg: &str) -> io::Result<()> {
+    let mut w = color_stream();
+    let styles = term::Styles::default();
+
+    w.set_color(&styles.header_error)?;
+    write!(w, "error")?;
+
+    w.reset()?;
+    writeln!(w, ": {msg}.")
+}
+
+/// Get stderr with color support if desirable.
+fn color_stream() -> termcolor::StandardStream {
+    termcolor::StandardStream::stderr(if std::io::stderr().is_terminal() {
+        ColorChoice::Auto
+    } else {
+        ColorChoice::Never
+    })
+}
+
+/// Used by `args.rs`.
+fn typst_version() -> &'static str {
+    env!("TYPST_VERSION")
+}