wt_blk 0.0.6

Parser for Json-like files blk
Documentation 
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pub mod error;

use serde_json::{Map, Value};
use crate::output_parsing::error::WTBlkError;

#[derive(Debug)]
pub struct WTBlk {
	inner: Value,
}


impl WTBlk {
	pub fn new(str: &str) -> Result<Self, WTBlkError> {
		let inner: Value = serde_json::from_str(str)?;
		Ok(Self {
			inner,
		})
	}

	/// Returns direct reference result after parsing pointer
	pub fn pointer<'a>(&'a self, pointer: &'a str) -> Result<&Value, WTBlkError> {
		self.inner.pointer(pointer).ok_or_else(||WTBlkError::NoSuchValue(pointer.to_owned()))
	}

	/// Returns a direct mutable reference to the inner serde struct
	pub fn inner(&mut self) -> &mut Value {
		&mut self.inner
	}

	/// Returns boolean value
	pub fn bool<'a>(&'a self, pointer: &'a str) -> Result<bool, WTBlkError> {
		let res = self.pointer(pointer)?;
		res.as_bool().ok_or_else(||WTBlkError::Parse(pointer.to_owned(), res.to_string()))
	}

	/// Returns 64-bit floating point
	pub fn float<'a>(&'a self, pointer: &'a str) -> Result<f64, WTBlkError> {
		let res = self.pointer(pointer)?;
		res.as_f64().ok_or_else(||WTBlkError::Parse(pointer.to_owned(), res.to_string()))
	}

	/// Returns signed 64-bit integer, cast if needed
	pub fn int<'a>(&'a self, pointer: &'a str) -> Result<i64, WTBlkError> {
		let res = self.pointer(pointer)?;
		res.as_i64().ok_or_else(||WTBlkError::Parse(pointer.to_owned(), res.to_string()))
	}

	/// Returns string value
	pub fn str<'a>(&'a self, pointer: &'a str) -> Result<&str, WTBlkError> {
		let res = self.pointer(pointer)?;
		res.as_str().ok_or_else(||WTBlkError::Parse(pointer.to_owned(), res.to_string()))
	}

	/// Returns KV for all following child items
	pub fn objects<'a>(&'a self, pointer: &'a str) -> Result<&Map<String, Value>, WTBlkError> {
		let res = self.pointer(pointer)?;
		res.as_object().ok_or_else(||WTBlkError::Parse(pointer.to_owned(), res.to_string()))
	}

	/// Returns field array
	pub fn array<'a>(&'a self, pointer: &'a str) -> Result<&Vec<Value>, WTBlkError> {
		let res = self.pointer(pointer)?;
		res.as_array().ok_or_else(||WTBlkError::Parse(pointer.to_owned(), res.to_string()))
	}
}