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/*
==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--

SJ

Copyright (C) 2019-2025  Anonymous

There are several releases over multiple years,
they are listed as ranges, such as: "2019-2025".

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--
*/

//! # Shortcuts for primitives

use {
    core::num::{NonZeroI128, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI8, NonZeroU128, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU8},
    crate::{Error, Json, Number},
};

#[cfg(any(target_pointer_width = "16", target_pointer_width = "32", target_pointer_width = "64"))]
use core::num::{NonZeroIsize, NonZeroUsize};

impl From<&Number> for Json {

    fn from(n: &Number) -> Self {
        Json::Number(*n)
    }

}

impl From<Number> for Json {

    fn from(n: Number) -> Self {
        Json::Number(n)
    }

}

impl From<bool> for Json {

    fn from(b: bool) -> Self {
        Json::Boolean(b)
    }

}

impl PartialEq<bool> for Json {

    fn eq(&self, other: &bool) -> bool {
        match self {
            Self::Boolean(b) => b == other,
            _ => false,
        }
    }

}

impl PartialEq<Json> for bool {

    fn eq(&self, other: &Json) -> bool {
        match other {
            Json::Boolean(b) => self == b,
            _ => false,
        }
    }

}

impl TryFrom<&Json> for bool {

    type Error = Error;

    fn try_from(value: &Json) -> Result<Self, Self::Error> {
        match value {
            Json::Boolean(b) => Ok(*b),
            _ => Err(e!("Json is not a Boolean")),
        }
    }

}

impl TryFrom<Json> for bool {

    type Error = Error;

    fn try_from(value: Json) -> Result<Self, Self::Error> {
        Self::try_from(&value)
    }

}

macro_rules! impl_from_primitives_for_json { ($($ty: ty),+$(,)?) => {
    $(
        impl From<$ty> for Json {

            fn from(n: $ty) -> Self {
                Self::Number(Number::from(n))
            }

        }

        impl From<&$ty> for Json {

            fn from(n: &$ty) -> Self {
                Self::from(*n)
            }

        }
    )+
}}

impl_from_primitives_for_json! {
    i8, i16, i32, i64, i128,
    u8, u16, u32, u64, u128,
    f32, f64,
    NonZeroU8, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU128,
    NonZeroI8, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI128,
}

#[cfg(any(target_pointer_width = "16", target_pointer_width = "32", target_pointer_width = "64"))]
impl_from_primitives_for_json!(usize, isize, NonZeroUsize, NonZeroIsize);

macro_rules! impl_try_from_json_for_primitives { ($($ty: ty),+$(,)?) => {
    $(
        impl TryFrom<&Json> for $ty {

            type Error = Error;

            fn try_from(value: &Json) -> Result<Self, Self::Error> {
                match value {
                    Json::Number(n) => Self::try_from(n),
                    _ => Err(e!("Json is not a Number")),
                }
            }

        }

        impl TryFrom<Json> for $ty {

            type Error = Error;

            fn try_from(value: Json) -> Result<Self, Self::Error> {
                Self::try_from(&value)
            }

        }
    )+
}}

impl_try_from_json_for_primitives! {
    i8, i16, i32, i64, i128,
    u8, u16, u32, u64, u128,
    f32, f64,
    NonZeroU8, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU128,
    NonZeroI8, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI128,
}

#[cfg(any(target_pointer_width = "16", target_pointer_width = "32", target_pointer_width = "64"))]
impl_try_from_json_for_primitives! {isize, usize, NonZeroIsize, NonZeroUsize}

// ╔═══════════════╗
// ║   PartialEq   ║
// ╚═══════════════╝

macro_rules! impl_partial_eq_for_json_and_primitive_numbers { ($($ty: ty),+$(,)?) => {
    $(
        impl PartialEq<$ty> for Json {

            fn eq(&self, other: &$ty) -> bool {
                match &self {
                    Self::Number(n) => n == other,
                    _ => false,
                }
            }

        }

        impl PartialEq<Json> for $ty {

            fn eq(&self, other: &Json) -> bool {
                match &other {
                    Json::Number(n) => self == n,
                    _ => false,
                }
            }

        }
    )+
}}

impl_partial_eq_for_json_and_primitive_numbers!(
    u8, u16, u32, u64, u128,
    i8, i16, i32, i64, i128,
    NonZeroU8, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU128,
    NonZeroI8, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI128,
    f32, f64,
);

#[cfg(any(target_pointer_width = "16", target_pointer_width = "32", target_pointer_width = "64"))]
impl_partial_eq_for_json_and_primitive_numbers!(isize, usize, NonZeroUsize, NonZeroIsize);