[−][src]Struct sharp_pencil::config::Config
The pencil Config
type, We provide ways to fill it from JSON files:
let mut app = sharp_pencil::Pencil::new("/demo"); app.config.from_jsonfile("yourconfig.json")
You can also load configurations from an environment variable pointing to a file:
let mut app = sharp_pencil::Pencil::new("/demo"); app.config.from_envvar("YOURAPPLICATION_SETTINGS")
In this case, you have to set this environment variable to the file you want to use. On Linux and OS X you can use the export statement:
export YOURAPPLICATION_SETTINGS="/path/to/config/file"
Implementations
impl Config
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pub fn new() -> Config
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Create a Config
object.
pub fn set(&mut self, key: &str, value: Value)
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Set a value for the key.
pub fn get(&self, key: &str) -> Option<&Value>
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Returns a reference to the value corresponding to the key.
pub fn get_boolean(&self, key: &str, default: bool) -> bool
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Get a boolean configuration value. If the key doesn't exist
or the value is not a Json::Boolean
, the default value
will be returned.
pub fn from_envvar(&mut self, variable_name: &str)
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Loads a configuration from an environment variable pointing to a JSON configuration file.
pub fn from_jsonfile(&mut self, filepath: &str)
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Updates the values in the config from a JSON file.
pub fn from_object(&mut self, object: Map<String, Value>)
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Updates the values from the given Object
.
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for Config
impl Send for Config
impl Sync for Config
impl Unpin for Config
impl UnwindSafe for Config
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> CloneAny for T where
T: Clone + Any,
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T: Clone + Any,
fn clone_any(&self) -> Box<dyn CloneAny + 'static>
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fn clone_any_send(&self) -> Box<dyn CloneAny + 'static + Send> where
T: Send,
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T: Send,
fn clone_any_sync(&self) -> Box<dyn CloneAny + 'static + Sync> where
T: Sync,
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T: Sync,
fn clone_any_send_sync(&self) -> Box<dyn CloneAny + 'static + Sync + Send> where
T: Send + Sync,
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T: Send + Sync,
impl<T> DebugAny for T where
T: Any + Debug,
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T: Any + Debug,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Typeable for T where
T: Any,
T: Any,
impl<T> UnsafeAny for T where
T: Any,
T: Any,