Struct Schema 

pub struct Schema {
    pub name: String,
    pub fields: Vec<SchemaField>,
    pub key_field_index: Option<usize>,
    pub is_validated: bool,
}

Represents a schema for a DBC file

Fields

name: String

Name of the schema

fields: Vec<SchemaField>

Fields in the schema

key_field_index: Option<usize>

Index of the key field, if any

is_validated: bool

Whether the schema is validated

Implementations

impl Schema

pub fn new(name: impl Into<String>) -> Self

Create a new schema

pub fn add_field(&mut self, field: SchemaField) -> &mut Self

Add a field to the schema

pub fn set_key_field_index(&mut self, index: usize) -> &mut Self

Set the key field by index

pub fn set_key_field(&mut self, name: &str) -> &mut Self

Set the key field by name

Panics

Panics if the field with the given name is not found in the schema. This is intentional as it indicates a programming error in schema definition.

pub fn try_set_key_field(&mut self, name: &str) -> Result<&mut Self, String>

Try to set the key field by name, returning an error if the field is not found

pub fn record_size(&self) -> usize

Calculate the total size of a record in bytes

pub fn validate( &mut self, field_count: u32, record_size: u32, ) -> Result<(), String>

Validate the schema against a DBC header

Trait Implementations

impl Clone for Schema

fn clone(&self) -> Schema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Schema

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

Formats the value using the given formatter.