Struct dmntk_feel::FeelScope

pub struct FeelScope { /* private fields */ }

The FEEL scope.

Implementations

impl FeelScope

pub fn contexts(&self) -> Vec<FeelContext>

Temporary - remove

pub fn new() -> Self

Creates a new and empty FeelScope.

pub fn push(&self, ctx: FeelContext)

Pushes a context on the top of the scope stack.

pub fn append(&self, other: FeelScope)

Appends the content of another scope at the end of this scope.

pub fn pop(&self) -> Option<FeelContext>

Takes and returns a context from the top of the stack.

pub fn peek(&self) -> Option<FeelContext>

Peeks a context from the top of the stack. If the stack is empty, the default context is returned.

pub fn get_value(&self, name: &Name) -> Option<Value>

Returns a value of an entry with specified name. Entries are searched from the last to the first context, (from top to bottom of the stack).

pub fn search(&self, names: &[Name]) -> Option<Value>

Searches for a value under so called qualified name build from multiple names passed as an argument.

pub fn search_entry(&self, qname: &QualifiedName) -> Option<Value>

Searches for a value of an entry pointed by specified qualified name.

pub fn set_value(&self, name: &Name, value: Value)

Sets a specified value for entry name in FeelContext placed on the top of the scope stack.

pub fn set_name(&self, name: Name)

Sets a null value for entry name in FeelContext placed on the top of the scope stack.

Trait Implementations

impl Default for FeelScope

fn default() -> Self

Creates a default FeelScope containing single default FeelContext.

impl Display for FeelScope

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

Converts FeelScope to text.

impl From<FeelContext> for FeelScope

fn from(ctx: FeelContext) -> Self

Creates a FeelScope from FeelContext.

impl Jsonify for FeelScope

fn jsonify(&self) -> String

Converts this FeelScope to JSON text.