Struct json_ns::Context

pub struct Context {
    pub ns: Option<String>,
    pub lang: String,
    pub prefixes: BTreeMap<String, String>,
    pub aliases: BTreeMap<String, String>,
    pub container: BTreeMap<String, String>,
}

Structure holding the current context to interpret a document with.

An instance of this struct is part of the Processor, which can be modified to provide an external context to interpret documents with. Such a custom context can also be created from JSON using one of the From implementations.

Fields

ns: Option<String>

The default namespace, for properties that are not a keyword, CURIE, or IRI.

lang: String

The Default language for internationalised properties that don't specify one. The empty string when not defined.

prefixes: BTreeMap<String, String>

Map of defined CURIE prefixes to their base IRIs.

aliases: BTreeMap<String, String>

Map of defined aliases by their literal property names.

container: BTreeMap<String, String>

Map of defined container mappings by their literal property names.

Methods

impl Context

pub fn new() -> Context

An alias for Context::default().

pub fn merge_value(&mut self, value: &Value)

Merge an @context value into this structure.

pub fn merge_object(&mut self, object: &Map<String, Value>)

Merge an @context object into this structure.

pub fn expand_name<'a>(&self, name: &'a str) -> Option<Cow<'a, str>>

Expand a name according to this context.

A name may be an absolute IRI, a CURIE within a defined namespace, or a name in the default namespace, otherwise None is returned (and the property or value should be dropped).

Trait Implementations

impl Clone for Context

fn clone(&self) -> Context

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Context

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Default for Context

fn default() -> Context

Returns the "default value" for a type.

impl<'a> From<&'a Value> for Context

fn from(value: &'a Value) -> Context

Performs the conversion.

impl<'a> From<&'a Map<String, Value>> for Context

fn from(object: &'a Map<String, Value>) -> Context

Performs the conversion.