neo4j 0.2.0

Bolt driver for Neo4j.
Documentation 
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// Copyright Rouven Bauer
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::fmt::{Display, Formatter};

pub(crate) const SRID_CARTESIAN_2D: i64 = 7203;
pub(crate) const SRID_CARTESIAN_3D: i64 = 9157;
pub(crate) const SRID_WGS84_2D: i64 = 4326;
pub(crate) const SRID_WGS84_3D: i64 = 4979;

#[derive(Debug, Copy, Clone, PartialEq)]
pub struct Cartesian2D {
    pub(crate) srid: i64,
    pub(crate) coordinates: [f64; 2],
}

impl Cartesian2D {
    pub fn new(x: f64, y: f64) -> Self {
        Cartesian2D {
            srid: SRID_CARTESIAN_2D,
            coordinates: [x, y],
        }
    }
    pub fn x(&self) -> f64 {
        self.coordinates[0]
    }
    pub fn y(&self) -> f64 {
        self.coordinates[1]
    }
    pub fn srid(&self) -> i64 {
        self.srid
    }

    pub(crate) fn eq_data(&self, other: &Self) -> bool {
        self.srid == other.srid && coordinates_eq_data(self.coordinates, other.coordinates)
    }
}

impl Display for Cartesian2D {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
            "Cartesian2D({}, {})",
            self.coordinates[0], self.coordinates[1]
        )
    }
}

#[derive(Debug, Copy, Clone, PartialEq)]
pub struct Cartesian3D {
    pub(crate) srid: i64,
    pub(crate) coordinates: [f64; 3],
}

impl Cartesian3D {
    pub fn new(x: f64, y: f64, z: f64) -> Self {
        Cartesian3D {
            srid: SRID_CARTESIAN_3D,
            coordinates: [x, y, z],
        }
    }
    pub fn x(&self) -> f64 {
        self.coordinates[0]
    }
    pub fn y(&self) -> f64 {
        self.coordinates[1]
    }
    pub fn z(&self) -> f64 {
        self.coordinates[2]
    }
    pub fn srid(&self) -> i64 {
        self.srid
    }

    pub(crate) fn eq_data(&self, other: &Self) -> bool {
        self.srid == other.srid && coordinates_eq_data(self.coordinates, other.coordinates)
    }
}

impl Display for Cartesian3D {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
            "Cartesian3D({}, {}, {})",
            self.coordinates[0], self.coordinates[1], self.coordinates[2]
        )
    }
}

#[derive(Debug, Copy, Clone, PartialEq)]
pub struct WGS84_2D {
    pub(crate) srid: i64,
    pub(crate) coordinates: [f64; 2],
}

impl WGS84_2D {
    pub fn new(longitude: f64, latitude: f64) -> Self {
        WGS84_2D {
            srid: SRID_WGS84_2D,
            coordinates: [longitude, latitude],
        }
    }
    pub fn longitude(&self) -> f64 {
        self.coordinates[0]
    }
    pub fn latitude(&self) -> f64 {
        self.coordinates[1]
    }
    pub fn srid(&self) -> i64 {
        self.srid
    }

    pub(crate) fn eq_data(&self, other: &Self) -> bool {
        self.srid == other.srid && coordinates_eq_data(self.coordinates, other.coordinates)
    }
}

impl Display for WGS84_2D {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
            "WGS84_2D({}, {})",
            self.coordinates[0], self.coordinates[1]
        )
    }
}

#[derive(Debug, Copy, Clone, PartialEq)]
pub struct WGS84_3D {
    pub(crate) srid: i64,
    pub(crate) coordinates: [f64; 3],
}

impl WGS84_3D {
    pub fn new(longitude: f64, latitude: f64, height: f64) -> Self {
        WGS84_3D {
            srid: SRID_WGS84_3D,
            coordinates: [longitude, latitude, height],
        }
    }
    pub fn longitude(&self) -> f64 {
        self.coordinates[0]
    }
    pub fn latitude(&self) -> f64 {
        self.coordinates[1]
    }
    pub fn altitude(&self) -> f64 {
        self.coordinates[2]
    }
    pub fn srid(&self) -> i64 {
        self.srid
    }

    pub(crate) fn eq_data(&self, other: &Self) -> bool {
        self.srid == other.srid && coordinates_eq_data(self.coordinates, other.coordinates)
    }
}

impl Display for WGS84_3D {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
            "WGS84_3D({}, {}, {})",
            self.coordinates[0], self.coordinates[1], self.coordinates[2]
        )
    }
}

fn coordinates_eq_data<const N: usize>(coordinates1: [f64; N], coordinates2: [f64; N]) -> bool {
    coordinates1
        .iter()
        .zip(coordinates2.iter())
        .all(|(c1, c2)| c1.to_bits() == c2.to_bits())
}