Struct CalculationEngine 

pub struct CalculationEngine { /* private fields */ }

Calculation engine for form fields

Implementations

impl CalculationEngine

pub fn new() -> Self

Create a new calculation engine

pub fn set_field_value( &mut self, field_name: impl Into<String>, value: FieldValue, )

Set a field value

pub fn get_field_value(&self, field_name: &str) -> Option<&FieldValue>

Get a field value

pub fn add_calculation( &mut self, field_name: impl Into<String>, calculation: Calculation, ) -> Result<(), PdfError>

Add a calculation for a field

pub fn calculate_field(&mut self, field_name: &str) -> Result<(), PdfError>

Calculate a single field

pub fn recalculate_all(&mut self) -> Result<(), PdfError>

Recalculate all fields in dependency order

pub fn remove_calculation(&mut self, field_name: &str)

Remove a calculation for a field

pub fn get_summary(&self) -> CalculationSummary

Get calculation summary

Trait Implementations

impl Clone for CalculationEngine

fn clone(&self) -> CalculationEngine

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CalculationEngine

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

Formats the value using the given formatter.

impl Default for CalculationEngine

fn default() -> Self

Returns the “default value” for a type.