Struct JavaScriptEngine 

pub struct JavaScriptEngine { /* private fields */ }

Limited JavaScript engine for form calculations

Implementations

impl JavaScriptEngine

pub fn new() -> Self

Create a new JavaScript engine

pub fn set_variable(&mut self, name: impl Into<String>, value: f64)

Set a variable value

pub fn set_field_getter(&mut self, getter: fn(&str) -> Option<f64>)

Set field getter function

pub fn evaluate(&self, code: &str) -> Result<f64, PdfError>

Evaluate a JavaScript expression

Trait Implementations

impl Clone for JavaScriptEngine

fn clone(&self) -> JavaScriptEngine

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JavaScriptEngine

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

Formats the value using the given formatter.

impl Default for JavaScriptEngine

fn default() -> Self

Returns the “default value” for a type.