1 files changed, 104 insertions, 0 deletions
diff --git a/lib/core/libimagstore/src/configuration.rs b/lib/core/libimagstore/src/configuration.rs
new file mode 100644
index 00000000..0dfc0490
--- /dev/null
+++ b/lib/core/libimagstore/src/configuration.rs
@@ -0,0 +1,104 @@
+//
+// imag - the personal information management suite for the commandline
+// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; version
+// 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//
+
+use toml::Value;
+
+use libimagerror::into::IntoError;
+
+use store::Result;
+
+/// Check whether the configuration is valid for the store
+pub fn config_is_valid(config: &Option<Value>) -> Result<()> {
+    use error::StoreErrorKind as SEK;
+
+    if config.is_none() {
+        return Ok(());
+    }
+
+    match *config {
+        Some(Value::Table(_)) => Ok(()),
+        _ => {
+            warn!("Store config is no table");
+            Err(SEK::ConfigTypeError.into_error())
+        },
+    }
+}
+
+/// Checks whether the store configuration has a key "implicit-create" which maps to a boolean
+/// value. If that key is present, the boolean is returned, otherwise false is returned.
+pub fn config_implicit_store_create_allowed(config: Option<&Value>) -> bool {
+    config.map(|t| {
+        match *t {
+            Value::Table(ref t) => {
+                match t.get("implicit-create") {
+                    Some(&Value::Boolean(b)) => b,
+                    Some(_) => {
+                        warn!("Key 'implicit-create' does not contain a Boolean value");
+                        false
+                    }
+                    None => {
+                        warn!("Key 'implicit-create' in store configuration missing");
+                        false
+                    },
+                }
+            }
+            _ => {
+                warn!("Store configuration seems to be no Table");
+                false
+            },
+        }
+    }).unwrap_or(false)
+}
+
+#[cfg(test)]
+mod tests {
+    use toml::de::from_str as toml_from_str;
+    use configuration::*;
+
+    #[test]
+    fn test_implicit_store_create_allowed_no_toml() {
+        assert!(!config_implicit_store_create_allowed(None));
+    }
+
+    #[test]
+    fn test_implicit_store_create_allowed_toml_empty() {
+        let config = toml_from_str("").unwrap();
+        assert!(!config_implicit_store_create_allowed(Some(config).as_ref()));
+    }
+
+    #[test]
+    fn test_implicit_store_create_allowed_toml_false() {
+        let config = toml_from_str(r#"
+            implicit-create = false
+        "#).unwrap();
+
+        assert!(!config_implicit_store_create_allowed(Some(config).as_ref()));
+    }
+
+    #[test]
+    fn test_implicit_store_create_allowed_toml_true() {
+        let config = toml_from_str(r#"
+            implicit-create = true
+        "#).unwrap();
+
+        assert!(config_implicit_store_create_allowed(Some(config).as_ref()));
+    }
+
+}
+