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// timespan - A simple timespan for chrono times.
//
// Copyright (C) 2017
//     Fin Christensen <christensen.fin@gmail.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

//! # Timespan Library for Rust
//! [![crates.io](https://img.shields.io/crates/v/timespan.svg)](https://crates.io/crates/timespan)
//! [![Latest Tag](https://img.shields.io/github/tag/fin-ger/rust-timespan.svg)](https://github.com/fin-ger/rust-timespan/releases)
//! [![Build Status](https://travis-ci.org/fin-ger/rust-timespan.svg?branch=master)](https://travis-ci.org/fin-ger/rust-timespan)
//! [![Documentation](https://docs.rs/timespan/badge.svg)](https://docs.rs/timespan/)
//! [![Homepage](https://img.shields.io/badge/github.io-homepage-blue.svg)](https://fin-ger.github.io/rust-timespan/)
//!
//! A simple timespan for chrono times.
//!
//! ## Usage
//!
//! Put this in your `Cargo.toml`:
//!
//! ```toml
//! [dependencies]
//! timespan = "^0"
//! ```
//!
//! Or, if you want [Serde](https://github.com/serde-rs/serde) support, include it like this:
//!
//! ```toml
//! [dependencies]
//! timespan = { version = "^0", features = ["with-serde"] }
//! ```
//!
//! Then put this in your crate root:
//!
//! ```rust
//! extern crate timespan;
//! ```
//!
//! ## Overview
//!
//! ## Date and Time Spans
//!
//! `Timespan` can be used to create a time zone aware span consisting of `chrono::DateTime`s.
//!
//! Currently the `DateTimeSpan` supports serialization and deserialization for the `chrono::Utc`,
//! `chrono::Local` and `chrono::FixedOffset` time zones. For support of other time zone types
//! please refer to the [documentation](https://docs.rs/timespan/).
//!
//! When the `with-serde` feature is enabled `DateTimeSpan` has support for
//! [`serde`](https://github.com/serde-rs/serde) serialization and deserialization.
//!
//! ```rust
//! # extern crate timespan; extern crate chrono; fn main() {
//! use timespan::DateTimeSpan;
//! use chrono::Utc;
//!
//! let a: DateTimeSpan<Utc> = "2017-01-01T15:10:00 +0200 - 2017-01-02T09:30:00 +0200"
//!    .parse().unwrap();
//!
//! assert!(
//!     format!("{}", a.format("{start} to {end}", "%c", "%c")) ==
//!     "Sun Jan  1 13:10:00 2017 to Mon Jan  2 07:30:00 2017"
//! );
//! # }
//! ```
//!
//! ## Individual Date Spans
//!
//! A `DateSpan` can be used to create a time zone aware span consisting of `chrono::Date`s.
//!
//! Currently the `DateSpan` does *not* support serialization and deserialization from strings.
//!
//! ```rust
//! # extern crate timespan; extern crate chrono_tz; fn main() {
//! use timespan::DateSpan;
//! use chrono_tz::Europe::Paris;
//!
//! let a = DateSpan::from_utc_datespan(
//!     &"1789-06-17 - 1799-11-10".parse().unwrap(),
//!     &Paris,
//! );
//!
//! let f = a.format(
//!     "The french revolution lasted from the {start} to the {end}.",
//!     "%eth of %B %Y",
//!     "%eth of %B %Y",
//! );
//! assert!(
//!     format!("{}", f) ==
//!     "The french revolution lasted from the 17th of June 1789 to the 10th of November 1799."
//! );
//! # }
//! ```
//!
//! ## Naive Date and Time Spans
//!
//! The `NaiveDateSpan`, `NaiveTimeSpan` and `NaiveDateTimeSpan` are all not aware of time zones
//! and can be used for simple time spans.
//!
//! All naive spans have full support for serialization and deserialization from strings.
//!
//! When the `with-serde` feature is enabled all naive spans have support for
//! [`serde`](https://github.com/serde-rs/serde) serialization and deserialization.
//!
//! ```rust
//! use timespan::NaiveDateSpan;
//!
//! let a: NaiveDateSpan = "2017-04-15 - 2017-08-15".parse().unwrap();
//! let b = NaiveDateSpan::parse_from_str(
//!     "15.04.17 - 15.08.17",
//!     "{start} - {end}",
//!     "%d.%m.%y", "%d.%m.%y"
//! ).unwrap();
//!
//! let f = a.format("from {start} to {end}", "%m/%d", "%m/%d");
//! assert!(format!("{}", f) == "from 04/15 to 08/15");
//! assert!(a == b);
//! ```
//!
//! ```rust
//! use timespan::NaiveTimeSpan;
//!
//! let a: NaiveTimeSpan = "17:30:00 - 19:15:00".parse().unwrap();
//! let b = NaiveTimeSpan::parse_from_str(
//!     "05.30 PM - 07.15 PM",
//!     "{start} - {end}",
//!     "%I.%M %P", "%I.%M %P"
//! ).unwrap();
//!
//! let f = a.format("from {start} to {end}", "%R", "%R");
//! assert!(format!("{}", f) == "from 17:30 to 19:15");
//! assert!(a == b);
//! ```
//!
//! ```rust
//! use timespan::NaiveDateTimeSpan;
//!
//! let a: NaiveDateTimeSpan = "2017-02-20T11:30:00 - 2017-02-23T18:00:00".parse().unwrap();
//! let b = NaiveDateTimeSpan::parse_from_str(
//!     "02/20/17 11.30 am - 02/23/17 06.00 pm",
//!     "{start} - {end}",
//!     "%D %I.%M %p", "%D %I.%M %p"
//! ).unwrap();
//!
//! let f = a.format("from {start} to {end}", "%R on %A", "%R on %A");
//! assert!(format!("{}", f) == "from 11:30 on Monday to 18:00 on Thursday");
//! assert!(a == b);
//! ```
//!
//! ## How to Run the Examples
//!
//! In order to run an example from the `example` folder issue the following command.
//!
//! ```sh
//! $ cargo run --example <name>
//! ```
//!
//! ### The `convert` Example
//!
//! Convert `from 10.30 to 14.00` to `10:30 - 14:00`:
//!
//! ```sh
//! $ cargo run --example convert -- "from 10.30 to 14.00" \
//!     "from {start} to {end}" "%H.%M" "%H.%M" \
//!     "{start} - {end}" "%R" "%R"
//! ```
//!
//! ### The `duration` Example
//!
//! Get the duration of the time span `from 10.30 to 14.00`:
//!
//! ```sh
//! $ cargo run --example duration -- "from 10.30 to 14.00" \
//!     "from {start} to {end}" "%H.%M" "%H.%M"
//! ```
//!
//! ### The `contains` Example
//!
//! Get whether `11.20` is contained in the time span `from 10.30 to 14.00`:
//!
//! ```sh
//! $ cargo run --example contains -- "from 10.30 to 14.00" "11.20" \
//!     "from {start} to {end}" "%H.%M" "%H.%M" "%H.%M"
//! ```
//!
//! ## License
//!
//! This project is licensed under the GPL-v3 license - see the [LICENSE](LICENSE) file for details.

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

#[cfg(test)]
extern crate serde_json;

#[cfg(all(test, feature = "with-serde"))]
#[cfg_attr(all(test, feature = "with-serde"), macro_use)]
extern crate serde_derive;

extern crate chrono;
extern crate regex;

#[cfg(feature = "chrono-tz")]
extern crate chrono_tz;

mod date_span;
mod date_time_span;
mod delayed_format;
mod error;
mod span;
mod traits;

pub mod naive;

#[cfg(test)]
mod delayed_format_test;
#[cfg(test)]
mod span_test;

pub use self::date_span::DateSpan;
pub use self::date_time_span::DateTimeSpan;
pub use self::delayed_format::DelayedFormat;
pub use self::error::Error;
pub use self::naive::NaiveDateSpan;
pub use self::naive::NaiveDateTimeSpan;
pub use self::naive::NaiveTimeSpan;
pub use self::span::Span;
pub use self::traits::Formatable;
pub use self::traits::Parsable;
pub use self::traits::Spanable;