Struct JsonPathParser 

pub struct JsonPathParser { /* private fields */ }

Parses and evaluates JSON path expressions

Implementations

impl JsonPathParser

pub fn parse(expression: &str) -> Result<Self>

Create a new JSON path parser from an expression string

Examples

let parser = JsonPathParser::parse("$.result.items[*].label")?;

pub fn extract(&self, value: &Value) -> Result<Vec<Value>>

Extract values from a JSON object using this path

Returns a vector of values. For paths with wildcards, may return multiple values.

pub fn extract_single(&self, value: &Value) -> Result<Value>

Extract a single value from a JSON object, returning an error if not found

Trait Implementations

impl Clone for JsonPathParser

fn clone(&self) -> JsonPathParser

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JsonPathParser

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

Formats the value using the given formatter.

impl FromStr for JsonPathParser

type Err = ExternalLspError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self>

Parses a string s to return a value of this type.