zeroshade commented on code in PR #3099:
URL: https://github.com/apache/arrow-adbc/pull/3099#discussion_r2195964267
##########
rust/core/src/driver_manager.rs:
##########
@@ -161,8 +170,94 @@ struct ManagedDriverInner {
_library: Option<libloading::Library>,
}
+#[derive(Default)]
+struct DriverInfo {
+ manifest_file: std::path::PathBuf,
+ lib_path: std::path::PathBuf,
+ entrypoint: Option<Vec<u8>>,
+ // TODO: until we add more logging these are unused so we'll leave
+ // them out until such time that we do so.
+ // driver_name: String,
+ // version: String,
+ // source: String,
+}
+
+impl DriverInfo {
+ fn load_driver_manifest(&self) -> Result<Self> {
+ let contents =
fs::read_to_string(self.manifest_file.as_path()).map_err(|e| {
+ Error::with_message_and_status(
+ format!(
+ "Could not read manifest '{}': {e}",
+ self.manifest_file.display()
+ ),
+ Status::InvalidArguments,
+ )
+ })?;
+
+ let manifest = contents
+ .parse::<Table>()
+ .map_err(|e| Error::with_message_and_status(e.to_string(),
Status::InvalidArguments))?;
+
+ // leave these out until we add logging that would actually utilize
them
+ // let driver_name = get_optional_key(&manifest, "name");
+ // let version = get_optional_key(&manifest, "version");
+ // let source = get_optional_key(&manifest, "source");
+ let (os, arch, extra) = arch_triplet();
+
+ let mut lib_path = PathBuf::default();
+ if let Some(driver) = manifest.get("Driver").and_then(|v|
v.get("shared")) {
+ if driver.is_str() {
+ lib_path = PathBuf::from(driver.as_str().unwrap_or_default());
+ } else if driver.is_table() {
+ lib_path = PathBuf::from(
+ driver
+ .get(format!("{os}_{arch}{extra}"))
+ .and_then(Value::as_str)
Review Comment:
personally, i'm fine with ignoring the invalid type and treating it as an
empty string. thoughts?
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