From 0eada0bdcb36a9907c6c928aa707ed6bef03c02f Mon Sep 17 00:00:00 2001
From: Arne Dußin
Date: Wed, 6 Jan 2021 22:47:34 +0100
Subject: Add loading capabilities back

---
 src/cli/cmd/read.rs | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/cli/cmd/read.rs

(limited to 'src/cli/cmd/read.rs')

diff --git a/src/cli/cmd/read.rs b/src/cli/cmd/read.rs
new file mode 100644
index 0000000..4ac671c
--- /dev/null
+++ b/src/cli/cmd/read.rs
@@ -0,0 +1,38 @@
+//! Read the contents of a file and add it to the currently edited map.
+
+use super::Command;
+use super::{CmdParseError, FromArgs};
+use crate::map::MapData;
+use crate::Editor;
+use std::path::PathBuf;
+
+pub struct Read {
+    file: PathBuf,
+}
+
+impl FromArgs for Read {
+    fn from_args(args: &[&str]) -> Result<Self, CmdParseError> {
+        if args.len() != 1 {
+            return Err(CmdParseError::WrongNumberOfArgs(args.len(), 1..=1));
+        }
+
+        Ok(Self {
+            file: PathBuf::from(args[0]),
+        })
+    }
+}
+
+impl Command for Read {
+    fn process(&self, editor: &mut Editor) -> Result<String, String> {
+        let data = match MapData::load_from_file(&self.file) {
+            Ok(data) => data,
+            Err(err) => return Err(format!("Unable to read file: {:?}", &self.file)),
+        };
+
+        editor.map_mut().add_data(data);
+        Ok(format!(
+            "Map data from {:?} read and added to the current buffer.",
+            &self.file
+        ))
+    }
+}
-- 
cgit v1.2.3-70-g09d2