support ini

10 files changed, 144 insertions, 3 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 8ee4d4c..8a33e4d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,10 +14,12 @@ license = "MIT/Apache-2.0"
 travis-ci = { repository = "mehcode/config-rs" }
 
 [features]
-default = ["toml", "json", "yaml", "hjson"]
+default = ["toml", "json", "yaml", "hjson","ini"]
 json = ["serde_json"]
 yaml = ["yaml-rust"]
 hjson = ["serde-hjson"]
+ini = []
+
 
 [dependencies]
 lazy_static = "1.0"
@@ -28,6 +30,7 @@ toml = { version = "^0.4.1", optional = true }
 serde_json = { version = "^1.0.2", optional = true }
 yaml-rust = { version = "^0.4", optional = true }
 serde-hjson = { version = "^0.8.1", optional = true }
+rust-ini = "0.12.1"
 
 [dev-dependencies]
 serde_derive = "^1.0.8"
diff --git a/README.md b/README.md
index ea2d4b0..b77daa9 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
  - Set defaults
  - Set explicit values (to programmatically override)
- - Read from [JSON], [TOML], [YAML] and [HJSON] files
+ - Read from [JSON], [TOML], [YAML], [HJSON], [INI] files
  - Read from environment
  - Loosely typed — Configuration values may be read in any supported type, as long as there exists a reasonable conversion
  - Access nested fields using a formatted path — Uses a subset of JSONPath; currently supports the child ( `redis.port` ) and subscript operators ( `databases[0].name` )
@@ -19,6 +19,7 @@
 [TOML]: https://github.com/toml-lang/toml
 [YAML]: https://github.com/chyh1990/yaml-rust
 [HJSON]: https://github.com/hjson/hjson-rust
+[INI]: https://github.com/zonyitoo/rust-ini
 
 ## Usage
 
@@ -27,6 +28,7 @@
 config = "0.8"
 ```
 
+ - `ini` - Adds support for reading INI files
  - `json` - Adds support for reading JSON files
  - `hjson` - Adds support for reading HJSON files
  - `yaml` - Adds support for reading YAML files
diff --git a/src/file/format/ini.rs b/src/file/format/ini.rs
new file mode 100644
index 0000000..b7c0f71
--- /dev/null
+++ b/src/file/format/ini.rs
@@ -0,0 +1,32 @@
+use source::Source;
+use std::collections::HashMap;
+use std::error::Error;
+use value::{Value, ValueKind};
+use ini::Ini;
+
+pub fn parse(
+    uri: Option<&String>,
+    text: &str,
+) -> Result<HashMap<String, Value>, Box<Error + Send + Sync>> {
+    let mut map: HashMap<String, Value> = HashMap::new();
+    let i = Ini::load_from_str(text)?;
+    for (sec, prop) in i.iter() {
+        match *sec {
+            Some(ref sec) => {
+                let mut sec_map: HashMap<String, Value> = HashMap::new();
+                for (k, v) in prop.iter() {
+                    sec_map.insert(k.to_lowercase().clone(),
+                                   Value::new(uri, ValueKind::String(v.clone())));
+                }
+                map.insert(sec.to_lowercase().clone(), Value::new(uri, ValueKind::Table(sec_map)));
+            }
+            None => {
+                for (k, v) in prop.iter() {
+                    map.insert(k.to_lowercase().clone(),
+                               Value::new(uri, ValueKind::String(v.clone())));
+                }
+            }
+        }
+    }
+    Ok(map)
+}
diff --git a/src/file/format/mod.rs b/src/file/format/mod.rs
index 5dfdfde..65e2914 100644
--- a/src/file/format/mod.rs
+++ b/src/file/format/mod.rs
@@ -19,6 +19,9 @@ mod yaml;
 #[cfg(feature = "hjson")]
 mod hjson;
 
+#[cfg(feature = "ini")]
+mod ini;
+
 #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
 pub enum FileFormat {
     /// TOML (parsed with toml)
@@ -36,6 +39,10 @@ pub enum FileFormat {
     /// HJSON (parsed with serde_hjson)
     #[cfg(feature = "hjson")]
     Hjson,
+    /// INI (parsed with serde_hjson)
+    #[cfg(feature = "ini")]
+    Ini,
+
 }
 
 lazy_static! {
@@ -56,6 +63,9 @@ lazy_static! {
         #[cfg(feature = "hjson")]
         formats.insert(FileFormat::Hjson, vec!["hjson"]);
 
+        #[cfg(feature = "ini")]
+        formats.insert(FileFormat::Ini, vec!["ini"]);
+
         formats
     };
 }
@@ -90,6 +100,9 @@ impl FileFormat {
 
             #[cfg(feature = "hjson")]
             FileFormat::Hjson => hjson::parse(uri, text),
+
+            #[cfg(feature = "ini")]
+            FileFormat::Ini => ini::parse(uri, text),
         }
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 6178375..ad205d0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -43,6 +43,9 @@ extern crate yaml_rust;
 #[cfg(feature = "hjson")]
 extern crate serde_hjson;
 
+#[cfg(feature = "ini")]
+extern crate ini;
+
 mod error;
 mod value;
 mod de;
diff --git a/tests/Settings-invalid.ini b/tests/Settings-invalid.ini
new file mode 100644
index 0000000..f2b8d9b
--- /dev/null
+++ b/tests/Settings-invalid.ini
@@ -0,0 +1,2 @@
+ok : true,
+error
diff --git a/tests/Settings.ini b/tests/Settings.ini
new file mode 100644
index 0000000..16badd4
--- /dev/null
+++ b/tests/Settings.ini
@@ -0,0 +1,9 @@
+debug = true

+production = false

+[place]

+name = Torre di Pisa

+longitude = 43.7224985

+latitude = 10.3970522

+favorite = false

+reviews = 3866

+rating = 4.5

diff --git a/tests/datetime.rs b/tests/datetime.rs
index 89a34a1..26b395d 100644
--- a/tests/datetime.rs
+++ b/tests/datetime.rs
@@ -38,6 +38,13 @@ fn make() -> Config {
             FileFormat::Hjson,
         ))
         .unwrap()
+        .merge(File::from_str(
+            r#"
+                ini_datetime = 2017-05-10T02:14:53Z
+            "#,
+            FileFormat::Ini,
+        ))
+        .unwrap()
         .clone()
 }
 
@@ -64,6 +71,11 @@ fn test_datetime_string() {
     let date: String = s.get("hjson_datetime").unwrap();
 
     assert_eq!(&date, "2017-05-10T02:14:53Z");
+
+    // INI
+    let date: String = s.get("ini_datetime").unwrap();
+
+    assert_eq!(&date, "2017-05-10T02:14:53Z");
 }
 
 #[test]
@@ -89,4 +101,9 @@ fn test_datetime() {
     let date: DateTime<Utc> = s.get("hjson_datetime").unwrap();
 
     assert_eq!(date, Utc.ymd(2017, 5, 10).and_hms(2, 14, 53));
+
+    // INI
+    let date: DateTime<Utc> = s.get("ini_datetime").unwrap();
+
+    assert_eq!(date, Utc.ymd(2017, 5, 10).and_hms(2, 14, 53));
 }
diff --git a/tests/file_ini.rs b/tests/file_ini.rs
new file mode 100644
index 0000000..4c0030a
--- /dev/null
+++ b/tests/file_ini.rs
@@ -0,0 +1,60 @@
+extern crate config;

+extern crate serde;

+extern crate float_cmp;

+

+#[macro_use]

+extern crate serde_derive;

+

+use config::*;

+

+#[derive(Debug, Deserialize, PartialEq)]

+struct Place {

+    name: String,

+    longitude: f64,

+    latitude: f64,

+    favorite: bool,

+    reviews: u64,

+    rating: Option<f32>,

+}

+

+#[derive(Debug, Deserialize, PartialEq)]

+struct Settings {

+    debug: f64,

+    place: Place,

+}

+

+fn make() -> Config {

+    let mut c = Config::default();

+    c.merge(File::new("tests/Settings", FileFormat::Ini))

+        .unwrap();

+    c

+}

+

+#[test]

+fn test_file() {

+    let c = make();

+    let s: Settings = c.try_into().unwrap();

+    assert_eq!(s, Settings {

+        debug: 1.0,

+        place: Place {

+            name: String::from("Torre di Pisa"),

+            longitude: 43.7224985,

+            latitude: 10.3970522,

+            favorite: false,

+            reviews: 3866,

+            rating: Some(4.5),

+        },

+    });

+}

+

+#[test]

+fn test_error_parse() {

+    let mut c = Config::default();

+    let res = c.merge(File::new("tests/Settings-invalid", FileFormat::Ini));

+

+    assert!(res.is_err());

+    assert_eq!(

+        res.unwrap_err().to_string(),

+        r#"2:0 Expecting "[Some('='), Some(':')]" but found EOF. in tests/Settings-invalid.ini"#

+    );

+}

diff --git a/tests/file_json.rs b/tests/file_json.rs
index 1d35cae..8bffe23 100644
--- a/tests/file_json.rs
+++ b/tests/file_json.rs
@@ -72,4 +72,4 @@ fn test_error_parse() {
         res.unwrap_err().to_string(),
         "expected `:` at line 4 column 1 in tests/Settings-invalid.json".to_string()
     );
-}
+}
\ No newline at end of file