Reorganize code in subdirs

1 files changed, 30 insertions, 0 deletions

diff --git a/lib/core/libimagrt/src/spec.rs b/lib/core/libimagrt/src/spec.rs
new file mode 100644
index 00000000..0293f249
--- /dev/null
+++ b/lib/core/libimagrt/src/spec.rs
@@ -0,0 +1,30 @@
+use std::io::Write;
+
+use clap::{App, ArgMatches, Shell};
+
+/// An abstraction over `clap::App` functionality needed for initializing `Runtime`. Different
+/// implementations can be used for testing `imag` binaries without running them as separate
+/// processes.
+pub trait CliSpec<'a> {
+    fn name(&self) -> &str;
+    fn matches(self) -> ArgMatches<'a>;
+    fn completions<W: Write, S: Into<String>>(&mut self, _: S, _: Shell, _: &mut W) {}
+}
+
+impl<'a> CliSpec<'a> for App<'a, 'a> {
+    fn name(&self) -> &str {
+        self.get_name()
+    }
+
+    fn matches(self) -> ArgMatches<'a> {
+        self.get_matches()
+    }
+
+    fn completions<W: Write, S: Into<String>>(&mut self,
+                                              bin_name: S,
+                                              for_shell: Shell,
+                                              buf: &mut W) {
+
+        self.gen_completions_to(bin_name, for_shell, buf);
+    }
+}