hi, i just add some api for taglib v2 (now v2.0.1)

.gitignore

@@ -1,3 +1,6 @@
 target
 Cargo.lock
 fixtures/temp.mp3
+
+.DS_Store
+.idea/**

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "taglib"
 description = "Rust bindings for TagLib"
-version = "1.0.0"
+version = "2.0.2"
 authors = ["Emmanuele Bassi <ebassi@gnome.org>", "Chris Down <chris@chrisdown.name>"]
 license = "MIT"
 repository = "https://github.com/ebassi/taglib-rust/"
@@ -14,11 +14,16 @@ name = "taglib"
 path = "src/lib.rs"
 
 [dependencies]
+lazy_static = "1.4.0"
 libc = "0.2"
 
 [dependencies.taglib-sys]
 path = "taglib-sys"
-version = "1.0.0"
+version = "2.0.0"
+
+[target.'cfg(target_os = "windows")'.dependencies]
+codepage = "0.1.1"
+windows-sys = { version = "0.52", features = ["Win32_Globalization"] }
 
 [features]
 default = []

examples/tagreader.rs

@@ -3,6 +3,8 @@ extern crate taglib;
 use std::env;
 
 pub fn main() {
+    const EMPTY: &str = "";
+
     let args: Vec<String> = env::args().collect();
 
     for i in 1..args.len() {
@@ -23,10 +25,38 @@ pub fn main() {
                 println!("title   - {}", t.title().unwrap_or_default());
                 println!("artist  - {}", t.artist().unwrap_or_default());
                 println!("album   - {}", t.album().unwrap_or_default());
-                println!("year    - {}", t.year().unwrap_or_default());
+                println!("year    - {}", t.year()
+                    .map_or_else(|| EMPTY.to_string(), |t| t.to_string()));
                 println!("comment - {}", t.comment().unwrap_or_default());
-                println!("track   - {}", t.track().unwrap_or_default());
+                println!("track   - {}", t.track()
+                    .map_or_else(|| EMPTY.to_string(), |t| t.to_string()));
                 println!("genre   - {}", t.genre().unwrap_or_default());
+
+                println!("-- File TAG --");
+                println!("album artist    - {}", t.album_artist().unwrap_or_default());
+                println!("composer        - {}", t.composer().unwrap_or_default());
+                println!("track total     - {}", t.track_total()
+                    .map_or_else(|| EMPTY.to_string(), |t| t.to_string()));
+                println!("disc number     - {}", t.disc_number()
+                    .map_or_else(|| EMPTY.to_string(), |t| t.to_string()));
+                println!("disc total      - {}", t.disc_total()
+                    .map_or_else(|| EMPTY.to_string(), |t| t.to_string()));
+
+                println!("-- PROPERTY --");
+                let result_keys = file.keys();
+                if result_keys.is_ok() {
+                    let keys = result_keys.unwrap();
+                    println!("{} keys.", keys.len());
+                    for key in keys {
+                        println!("{}: {:?}",
+                                 key,
+                                 file.get_property(&key).unwrap_or_default());
+                    }
+                } else {
+                    println!("No available properties for {} (error: {:?})",
+                             arg,
+                             result_keys.err().unwrap());
+                }
             }
             Err(e) => {
                 println!("No available tags for {} (error: {:?})", arg, e);