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// License: see LICENSE file at root directory of `master` branch

//! # Some JSON implementation
//!
//! ## Project
//!
//! - Repository: <https://bitbucket.org/haibison/sj>
//! - License: Nice License 1.0.0 _(see LICENSE file at root directory of `master` branch)_
//! - _This project follows [Semantic Versioning 2.0.0]_
//!
//! ## Features
//!
//! - This is an implementation of [JSON](https://www.json.org/).
//! - Parsing from [Read][std::io/Read]: [`parse()`][::parse()].
//! - Generating to JSON string: [`Value`][::Value].
//!
//! ## Notes
//!
//! Documentation is built with all features. Some of them are optional. If you see components from other crates, you can view source to see
//! what features are required.
//!
//! [Semantic Versioning 2.0.0]: https://semver.org/spec/v2.0.0.html
//!
//! [std::io/Read]: https://doc.rust-lang.org/std/io/trait.Read.html
//!
//! [::parse()]: fn.parse.html
//! [::Value]: enum.Value.html

#![warn(missing_docs)]
#![no_std]
#![deny(unsafe_code)]

// ╔═════════════════╗
// ║   IDENTIFIERS   ║
// ╚═════════════════╝

macro_rules! code_name  { () => { "sj" }}
macro_rules! version    { () => { "0.20.0" }}

/// # Crate name
pub const NAME: &str = "SJ";

/// # Crate code name
pub const CODE_NAME: &str = code_name!();

/// # ID of this crate
pub const ID: &str = concat!(
    "d1e51da8-8e4e9fc1-6d3f9d7e-c135be7d-a1cdeb80-6920a8dd-d18e7fc6-3e1d2013-",
    "208af671-7371879e-1b7a8d84-2613ca10-dfeea565-302e82c4-53dd84e8-f31d9ead",
);

/// # Crate version
pub const VERSION: &str = version!();

/// # Crate release date (year/month/day)
pub const RELEASE_DATE: (u16, u8, u8) = (2021, 3, 10);

/// # Tag, which can be used for logging...
pub const TAG: &str = concat!(code_name!(), "::d1e51da8::", version!());

// ╔════════════════════╗
// ║   IMPLEMENTATION   ║
// ╚════════════════════╝

extern crate alloc;

#[cfg(feature="std")]
extern crate std;

/// # Makes new Error with formatted string, or without one
macro_rules! err {
    () => {
        crate::Error::new(line!(), module_path!(), None)
    };
    ($s: literal) => {
        crate::Error::new(line!(), module_path!(), Some(alloc::borrow::Cow::Borrowed($s)))
    };
    ($s: literal, $($arg: tt)+) => {
        crate::Error::new(line!(), module_path!(), Some(alloc::borrow::Cow::Owned(alloc::format!($s, $($arg)+))))
    };
}

#[test]
fn test_macro_err() {
    use alloc::borrow::Cow;

    macro_rules! s_test { () => { "test" }}

    fn eq(first: Error, second: Error) -> bool {
        first.line() == second.line() && first.module_path() == second.module_path() && first.msg() == second.msg()
    }

    assert!(eq(err!(), Error::new(line!(), module_path!(), None)));
    assert!(eq(err!("test"), Error::new(line!(), module_path!(), Some(Cow::Borrowed(s_test!())))));
    assert!(eq(err!("{s:?}", s=s_test!()), Error::new(line!(), module_path!(), Some(Cow::Owned(alloc::format!("{:?}", s_test!()))))));
}

mod bytes;
mod error;
mod number;
mod parser;
mod value;

pub use self::{
    error::*,
    number::*,
    value::*,
};

#[cfg(feature="std")]
pub use self::{
    parser::*,
};

pub mod version_info;

/// # Result type used in this crate
pub type Result<T> = core::result::Result<T, Error>;

/// # Result for I/O functions
#[cfg(feature="std")]
pub type IoResult<T> = core::result::Result<T, std::io::Error>;

#[test]
fn test_crate_version() {
    assert_eq!(VERSION, env!("CARGO_PKG_VERSION"));
}