Struct FieldPath 

pub struct FieldPath { /* private fields */ }

A path to a field in a nested structure.

Example

use skp_validator_core::FieldPath;

// Build path: user.addresses[0].city
let path = FieldPath::new()
    .push_field("user")
    .push_field("addresses")
    .push_index(0)
    .push_field("city");

assert_eq!(path.to_string(), "user.addresses[0].city");

Implementations

impl FieldPath

pub fn new() -> FieldPath

Create an empty field path

pub fn from_field(name: impl Into<String>) -> FieldPath

Create a path from a single field name

pub fn is_empty(&self) -> bool

Check if the path is empty (root level)

pub fn len(&self) -> usize

Get the number of segments

pub fn push_field(self, name: impl Into<String>) -> FieldPath

Add a field segment and return self (builder pattern)

pub fn push_index(self, idx: usize) -> FieldPath

Add an index segment and return self (builder pattern)

pub fn push_key(self, key: impl Into<String>) -> FieldPath

Add a key segment and return self (builder pattern)

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

Add a field segment in place

pub fn append_index(&mut self, idx: usize)

Add an index segment in place

pub fn append_key(&mut self, key: impl Into<String>)

Add a key segment in place

pub fn segments(&self) -> &[PathSegment]

Get the segments as a slice

pub fn parent(&self) -> Option<FieldPath>

Get the parent path (without the last segment)

pub fn last(&self) -> Option<&PathSegment>

Get the last segment (leaf field name)

pub fn last_field_name(&self) -> Option<&str>

Get the field name of the last segment if it’s a Field

pub fn child_field(&self, name: impl Into<String>) -> FieldPath

Create a child path with a field segment

pub fn child_index(&self, idx: usize) -> FieldPath

Create a child path with an index segment

pub fn child_key(&self, key: impl Into<String>) -> FieldPath

Create a child path with a key segment

pub fn to_dot_notation(&self) -> String

Convert to a dot-notation string

pub fn to_json_pointer(&self) -> String

Convert to a JSON pointer string (RFC 6901)

Trait Implementations

impl Clone for FieldPath

fn clone(&self) -> FieldPath

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FieldPath

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

Formats the value using the given formatter.

impl Default for FieldPath

fn default() -> FieldPath

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for FieldPath

fn deserialize<__D>( __deserializer: __D, ) -> Result<FieldPath, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for FieldPath

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

Formats the value using the given formatter.

impl From<&str> for FieldPath

fn from(s: &str) -> FieldPath

Converts to this type from the input type.

impl From<String> for FieldPath

fn from(s: String) -> FieldPath

Converts to this type from the input type.

impl Hash for FieldPath

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for FieldPath

fn eq(&self, other: &FieldPath) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for FieldPath

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for FieldPath

impl StructuralPartialEq for FieldPath