summaryrefslogtreecommitdiff
path: root/support/texlab/src/distro.rs
diff options
context:
space:
mode:
Diffstat (limited to 'support/texlab/src/distro.rs')
-rw-r--r--support/texlab/src/distro.rs74
1 files changed, 74 insertions, 0 deletions
diff --git a/support/texlab/src/distro.rs b/support/texlab/src/distro.rs
new file mode 100644
index 0000000000..1e67a14285
--- /dev/null
+++ b/support/texlab/src/distro.rs
@@ -0,0 +1,74 @@
+mod kpsewhich;
+mod miktex;
+mod texlive;
+
+use std::process::{Command, Stdio};
+
+use anyhow::Result;
+use derive_more::Display;
+use log::warn;
+
+pub use kpsewhich::Resolver;
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy, Display)]
+pub enum DistributionKind {
+ #[display(fmt = "TeXLive")]
+ Texlive,
+ #[display(fmt = "MikTeX")]
+ Miktex,
+ #[display(fmt = "Tectonic")]
+ Tectonic,
+ #[display(fmt = "Unknown")]
+ Unknown,
+}
+
+#[derive(Debug, Clone)]
+pub struct Distribution {
+ pub kind: DistributionKind,
+ pub resolver: Resolver,
+}
+
+impl Distribution {
+ pub fn detect() -> Self {
+ let kind = match Command::new("latex").arg("--version").output() {
+ Ok(output) => {
+ let stdout = String::from_utf8_lossy(&output.stdout);
+ if stdout.contains("TeX Live") {
+ DistributionKind::Texlive
+ } else if stdout.contains("MiKTeX") {
+ DistributionKind::Miktex
+ } else {
+ DistributionKind::Unknown
+ }
+ }
+ Err(_) => {
+ if Command::new("tectonic")
+ .arg("--version")
+ .stdout(Stdio::null())
+ .stderr(Stdio::null())
+ .status()
+ .is_ok()
+ {
+ DistributionKind::Tectonic
+ } else {
+ DistributionKind::Unknown
+ }
+ }
+ };
+
+ let resolver = match kind {
+ DistributionKind::Texlive => Self::load_resolver(texlive::load_resolver),
+ DistributionKind::Miktex => Self::load_resolver(miktex::load_resolver),
+ DistributionKind::Tectonic | DistributionKind::Unknown => Resolver::default(),
+ };
+ Self { kind, resolver }
+ }
+
+ fn load_resolver(loader: impl FnOnce() -> Result<Resolver>) -> Resolver {
+ match loader() {
+ Ok(resolver) => return resolver,
+ Err(why) => warn!("Failed to load resolver: {}", why),
+ };
+ Resolver::default()
+ }
+}