Add file printer helpers

src/main.rs

@@ -17,6 +17,7 @@ mod configuration;
 mod runtime;
 mod module;
 mod storage;
+mod ui;
 
 fn main() {
     let yaml = load_yaml!("../etc/cli.yml");

src/ui/file.rs

@@ -0,0 +1,71 @@
+use std::iter::Iterator;
+
+use runtime::Runtime;
+use storage::file::File;
+
+pub trait FilePrinter {
+
+    fn new(verbose: bool, debug: bool) -> Self;
+
+    /*
+     * Print a single file
+     */
+    fn print_file(&self, &File);
+
+    /*
+     * Print a list of files
+     */
+    fn print_files<'a, I: Iterator<Item = File<'a>>>(&self, files: I) {
+        for file in files {
+            self.print_file(&file);
+        }
+    }
+
+}
+
+struct DebugPrinter {
+    debug: bool,
+}
+
+impl FilePrinter for DebugPrinter {
+
+    fn new(verbose: bool, debug: bool) -> DebugPrinter {
+        DebugPrinter {
+            debug: debug,
+        }
+    }
+
+    fn print_file(&self, f: &File) {
+        if self.debug {
+            debug!("[DebugPrinter] ->\n{:?}", f);
+        }
+    }
+
+}
+
+struct SimplePrinter {
+    verbose:    bool,
+    debug:      bool,
+}
+
+impl FilePrinter for SimplePrinter {
+
+    fn new(verbose: bool, debug: bool) -> SimplePrinter {
+        SimplePrinter {
+            debug:      debug,
+            verbose:    verbose,
+        }
+    }
+
+    fn print_file(&self, f: &File) {
+        if self.debug {
+            debug!("{:?}", f);
+        } else if self.verbose {
+            info!("{}", f);
+        } else {
+            info!("[File]: {}", f.id());
+        }
+    }
+
+}
+

src/ui/mod.rs

@@ -0,0 +1 @@
+pub mod file;