simplecss 0.2.1

A simple CSS 2 parser and selector.
Documentation 
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use simplecss::*;

macro_rules! tokenize {
    ($name:ident, $text:expr, $( $token:expr ),*) => (
        #[test]
        fn $name() {
            let mut t = DeclarationTokenizer::from($text);
            $(
                assert_eq!(t.next().unwrap(), $token);
            )*

            assert!(t.next().is_none());
        }
    )
}

fn declare<'a>(name: &'a str, value: &'a str) -> Declaration<'a> {
    Declaration { name, value, important: false }
}

fn declare_important<'a>(name: &'a str, value: &'a str) -> Declaration<'a> {
    Declaration { name, value, important: true }
}

tokenize!(tokenize_01, "", );

tokenize!(tokenize_02, " ", );

tokenize!(tokenize_03, "/**/", );

tokenize!(tokenize_04, "color:red",
    declare("color", "red")
);

tokenize!(tokenize_05, "color:red;",
    declare("color", "red")
);

tokenize!(tokenize_06, "color:red ",
    declare("color", "red")
);

tokenize!(tokenize_07, " color: red; ",
    declare("color", "red")
);

tokenize!(tokenize_08, "  color  :  red  ; ",
    declare("color", "red")
);

tokenize!(tokenize_09, "  color:red;;;;color:red; ",
    declare("color", "red"),
    declare("color", "red")
);

tokenize!(tokenize_10, "background: url(\"img.png\");",
    declare("background", "url(\"img.png\")")
);

tokenize!(tokenize_11, "background: url(\"{}\");",
    declare("background", "url(\"{}\")")
);

tokenize!(tokenize_12, "color: red ! important",
    declare_important("color", "red")
);

tokenize!(tokenize_13, "color: red !important",
    declare_important("color", "red")
);

tokenize!(tokenize_14, "color: red!important",
    declare_important("color", "red")
);

tokenize!(tokenize_15, "color: red !/**/important",
    declare_important("color", "red")
);

tokenize!(tokenize_16, "border: 1em solid blue",
    declare("border", "1em solid blue")
);

tokenize!(tokenize_17, "background: navy url(support/diamond.png) -2em -2em no-repeat",
    declare("background", "navy url(support/diamond.png) -2em -2em no-repeat")
);

tokenize!(tokenize_18, "/**/color:red",
    declare("color", "red")
);

tokenize!(tokenize_19, "/* *\\/*/color: red;",
    declare("color", "red")
);

tokenize!(tokenize_20, "/**/color/**/:/**/red/**/;/**/",
    declare("color", "red")
);

tokenize!(tokenize_21, "\ncolor\n:\nred\n;\n",
    declare("color", "red")
);

tokenize!(tokenize_22, "{color:red}", );

tokenize!(tokenize_23, "(color:red)", );

tokenize!(tokenize_24, "[color:red]", );

tokenize!(tokenize_25, "color:", );

tokenize!(tokenize_26, "value:\"text\"",
    declare("value", "\"text\"")
);

tokenize!(tokenize_27, "value:'text'",
    declare("value", "'text'")
);

tokenize!(tokenize_28, "color:#fff",
    declare("color", "#fff")
);
tokenize!(tokenize_29, "color:0.5",
    declare("color", "0.5")
);

tokenize!(tokenize_30, "color:.5",
    declare("color", ".5")
);

tokenize!(tokenize_31, "color:#FFF",
    declare("color", "#FFF")
);

tokenize!(tokenize_32, "content: counter(chapno, upper-roman) \". \"",
    declare("content", "counter(chapno, upper-roman) \". \"")
);

tokenize!(tokenize_33, "font-family:'Noto Serif','DejaVu Serif',serif",
    declare("font-family", "'Noto Serif','DejaVu Serif',serif")
);

tokenize!(tokenize_34, "*zoom:1;",
    declare("zoom", "1")
);

//tokenize!(tokenize_, "@unsupported { splines: reticulating } color: green",
//    declare("color", "green")
//);

//tokenize!(tokenize_, "/*\\*/*/color: red;", declare("color", "red"));

//tokenize!(tokenize_, "\"this is a string]}\"\"[{\\\"'\";  /*should be parsed as a string but be ignored*/
//    {{}}[]'';                     /*should be parsed as nested blocks and a string but be ignored*/
//    color: red;", declare("color", "red"));