Remove support for hjson

The serde-hjson crate is not maintained anymore and this feature is
actually causing pain in packaging even.

Thus, remove it.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

3 files changed, 1 insertions, 71 deletions

diff --git a/src/file/format/hjson.rs b/src/file/format/hjson.rs
deleted file mode 100644
index 4b76114..0000000
--- a/src/file/format/hjson.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-use std::error::Error;
-
-use crate::map::Map;
-use crate::value::{Value, ValueKind};
-
-pub fn parse(
-    uri: Option<&String>,
-    text: &str,
-) -> Result<Map<String, Value>, Box<dyn Error + Send + Sync>> {
-    // Parse a JSON object value from the text
-    // TODO: Have a proper error fire if the root of a file is ever not a Table
-    let value = from_hjson_value(uri, &serde_hjson::from_str(text)?);
-    match value.kind {
-        ValueKind::Table(map) => Ok(map),
-
-        _ => Ok(Map::new()),
-    }
-}
-
-fn from_hjson_value(uri: Option<&String>, value: &serde_hjson::Value) -> Value {
-    match *value {
-        serde_hjson::Value::String(ref value) => Value::new(uri, ValueKind::String(value.clone())),
-
-        serde_hjson::Value::I64(value) => Value::new(uri, ValueKind::Integer(value)),
-
-        serde_hjson::Value::U64(value) => Value::new(uri, ValueKind::Integer(value as i64)),
-
-        serde_hjson::Value::F64(value) => Value::new(uri, ValueKind::Float(value)),
-
-        serde_hjson::Value::Bool(value) => Value::new(uri, ValueKind::Boolean(value)),
-
-        serde_hjson::Value::Object(ref table) => {
-            let mut m = Map::new();
-
-            for (key, value) in table {
-                m.insert(key.clone(), from_hjson_value(uri, value));
-            }
-
-            Value::new(uri, ValueKind::Table(m))
-        }
-
-        serde_hjson::Value::Array(ref array) => {
-            let mut l = Vec::new();
-
-            for value in array {
-                l.push(from_hjson_value(uri, value));
-            }
-
-            Value::new(uri, ValueKind::Array(l))
-        }
-
-        serde_hjson::Value::Null => Value::new(uri, ValueKind::Nil),
-    }
-}
diff --git a/src/file/format/mod.rs b/src/file/format/mod.rs
index 9f6d7d7..b4129e1 100644
--- a/src/file/format/mod.rs
+++ b/src/file/format/mod.rs
@@ -17,9 +17,6 @@ mod json;
 #[cfg(feature = "yaml")]
 mod yaml;
 
-#[cfg(feature = "hjson")]
-mod hjson;
-
 #[cfg(feature = "ini")]
 mod ini;
 
@@ -43,10 +40,6 @@ pub enum FileFormat {
     #[cfg(feature = "yaml")]
     Yaml,
 
-    /// HJSON (parsed with serde_hjson)
-    #[cfg(feature = "hjson")]
-    Hjson,
-
     /// INI (parsed with rust_ini)
     #[cfg(feature = "ini")]
     Ini,
@@ -75,9 +68,6 @@ lazy_static! {
         #[cfg(feature = "yaml")]
         formats.insert(FileFormat::Yaml, vec!["yaml", "yml"]);
 
-        #[cfg(feature = "hjson")]
-        formats.insert(FileFormat::Hjson, vec!["hjson"]);
-
         #[cfg(feature = "ini")]
         formats.insert(FileFormat::Ini, vec!["ini"]);
 
@@ -119,9 +109,6 @@ impl FileFormat {
             #[cfg(feature = "yaml")]
             FileFormat::Yaml => yaml::parse(uri, text),
 
-            #[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 267e0d8..98c90b4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,7 +6,7 @@
 //!  - Environment variables
 //!  - Another Config instance
 //!  - Remote configuration: etcd, Consul
-//!  - Files: TOML, JSON, YAML, HJSON, INI, RON, JSON5
+//!  - Files: TOML, JSON, YAML, INI, RON, JSON5
 //!  - Manual, programmatic override (via a `.set` method on the Config instance)
 //!
 //! Additionally, Config supports:
@@ -41,9 +41,6 @@ extern crate serde_json;
 #[cfg(feature = "yaml")]
 extern crate yaml_rust;
 
-#[cfg(feature = "hjson")]
-extern crate serde_hjson;
-
 #[cfg(feature = "ini")]
 extern crate ini;