Iterate over commands in all files

src/files.rs

@@ -5,7 +5,7 @@ use std::{fs, io, result};
 use chrono::{DateTime, Utc};
 use tzfile::Tz;
 
-use self::commands::File;
+use self::commands::{Command, File};
 
 pub mod commands;
 mod format;
@@ -23,6 +23,18 @@ impl LoadedFile {
     }
 }
 
+#[derive(Debug)]
+pub struct Source<'a> {
+    file: &'a Path,
+    index: usize,
+}
+
+#[derive(Debug)]
+pub struct SourcedCommand<'a> {
+    pub source: Source<'a>,
+    pub command: &'a Command,
+}
+
 #[derive(Debug)]
 pub struct Files {
     files: HashMap<PathBuf, LoadedFile>,
@@ -124,6 +136,17 @@ impl Files {
         }
     }
 
+    pub fn commands(&self) -> Vec<SourcedCommand<'_>> {
+        let mut result = vec![];
+        for (path, file) in &self.files {
+            for (index, command) in file.file.commands.iter().enumerate() {
+                let source = Source { file: path, index };
+                result.push(SourcedCommand { source, command });
+            }
+        }
+        result
+    }
+
     pub fn now(&self) -> DateTime<&Tz> {
         Utc::now().with_timezone(&&self.timezone)
     }