colored-macro-impl 0.2.0

A macro to make colored text in the terminal using XML-like syntax. You should depend on the `colored-macro` crate instead.
Documentation 
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macro_rules! colored {
    ($segments: expr) => {
        crate::Colored {
            format_args: vec![],
            segments: $segments,
        }
    };

    ($segments: expr, $format_args: expr) => {
        crate::Colored {
            format_args: $format_args,
            segments: $segments,
        }
    };
}

macro_rules! text {
    ($text: literal) => {
        crate::Segment::Text(None, $text.to_owned())
    };

    ($text: literal, $tag: literal) => {
        crate::Segment::Text(Some($tag.to_owned()), $text.to_owned())
    };
}

macro_rules! end {
    ($tag: literal) => {
        crate::Segment::StyleEnd($tag.to_owned())
    };
}

macro_rules! parses_to {
    ($input: literal, $expected: expr) => {
        let tokens = format!("\"{}\"", $input)
            .parse::<proc_macro2::TokenStream>()
            .unwrap();
        assert_eq!(syn::parse2::<crate::Colored>(tokens).unwrap(), $expected)
    };
}

#[test]
fn parse_no_tags() {
    parses_to!("test", colored!(vec![text!("test")]));
}

#[test]
fn parse_empty_string() {
    parses_to!("", colored!(vec![]));
}

#[test]
fn parse_simple() {
    parses_to!(
        "<red>test</red>",
        colored!(vec![text!("test", "red"), end!("red")])
    );
}

#[test]
fn parse_nested() {
    parses_to!(
        "<red><green>test</green></red>",
        colored!(vec![text!("test", "green"), end!("green"), end!("red")])
    );
}

#[test]
fn parse_nested_more() {
    parses_to!(
        "<red>red <green>green</green></red>",
        colored!(vec![
            text!("red ", "red"),
            text!("green", "green"),
            end!("green"),
            end!("red")
        ])
    );
}

#[test]
fn parse_nested_then_unnested() {
    parses_to!(
        "<red>red</red> nothing",
        colored!(vec![text!("red", "red"), end!("red"), text!(" nothing")])
    );
}