Struct RenderContext 

pub struct RenderContext {
    values: HashMap<String, RenderValue>,
}

Context for rendering a template.

Fields

values: HashMap<String, RenderValue>

Variable values keyed by name.

Implementations

impl RenderContext

pub fn new() -> Self

Creates a new empty render context.

pub fn add_string(&mut self, name: impl Into<String>, value: impl Into<String>)

Adds a string value to the context.

pub fn add_list( &mut self, name: impl Into<String>, items: Vec<HashMap<String, String>>, )

Adds a list value to the context for iteration.

pub fn add_object( &mut self, name: impl Into<String>, fields: HashMap<String, String>, )

Adds an object value to the context.

pub fn add_value(&mut self, name: impl Into<String>, value: RenderValue)

Adds a render value to the context.

pub fn set(&mut self, name: impl Into<String>, value: RenderValue)

Sets a value in the context (alias for add_value).

pub fn get(&self, name: &str) -> Option<&RenderValue>

Gets a value from the context.

pub fn get_string(&self, name: &str) -> Option<&str>

Gets a string value from the context.

pub fn get_list(&self, name: &str) -> Option<&[HashMap<String, String>]>

Gets a list value from the context.

pub fn to_string_map(&self) -> HashMap<String, String>

Returns all values as a flat string map for variable substitution.

pub fn contains(&self, name: &str) -> bool

Checks if the context contains a value.

pub fn len(&self) -> usize

Returns the number of values in the context.

pub fn is_empty(&self) -> bool

Returns true if the context is empty.

Trait Implementations

impl Clone for RenderContext

fn clone(&self) -> RenderContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RenderContext

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

Formats the value using the given formatter.

impl Default for RenderContext

fn default() -> RenderContext

Returns the “default value” for a type.