svgdom 0.18.0

[DEPRECATED] Library to represent an SVG as a DOM.
Documentation 
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#[macro_use] extern crate pretty_assertions;

use svgdom::{
    Document,
    WriteOptions,
};

fn write_options() -> WriteOptions {
    let mut opt = WriteOptions::default();
    opt.use_single_quote = true;
    opt
}

macro_rules! test_resave {
    ($name:ident, $in_text:expr, $out_text:expr) => (
        #[test]
        fn $name() {
            let doc = Document::from_str($in_text).unwrap();
            assert_eq!(doc.to_string_with_opt(&write_options()), $out_text);
        }
    )
}

test_resave!(parse_css_1,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
        <![CDATA[
            .fil1 {fill:#00913f}
            .str1{stroke:#ffcc00;stroke-width:2}
            .str2  {stroke-linejoin:round;}
        ]]>
    </style>
    <g class='fil1'/>
    <g class='str1 str2'/>
</svg>
",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#00913f'/>
    <g stroke='#ffcc00' stroke-linejoin='round' stroke-width='2'/>
</svg>
");

// style can be set after usage
test_resave!(parse_css_2,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g class='fil1'/>
    <style type='text/css'>
        <![CDATA[ .fil1 {fill:#00913f} ]]>
    </style>
</svg>
",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#00913f'/>
</svg>
");

test_resave!(parse_css_4,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
    <![CDATA[
        rect {fill:red;}
    ]]>
    </style>
    <rect/>
    <rect/>
</svg>
",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <rect fill='#ff0000'/>
    <rect fill='#ff0000'/>
</svg>
");

// empty data
test_resave!(parse_css_5,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
    </style>
</svg>
",
"<svg xmlns='http://www.w3.org/2000/svg'/>
");

// multiline comments and styles
test_resave!(parse_css_6,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
    <![CDATA[
        /*
         * Below are Cascading Style Sheet (CSS) definitions in use in this file,
         * which allow easily changing how elements are displayed.
         *
         */
        .circle
        {
          opacity:0;
          fill:#b9b9b9;
          fill-opacity:1;
        }
        /*
         * Comment
         */
    ]]>
    </style>
    <g class='circle'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#b9b9b9' fill-opacity='1' opacity='0'/>
</svg>
");

// links should be properly linked
test_resave!(parse_css_7,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
    <![CDATA[
        .fil1 {fill:url(#lg1)}
    ]]>
    </style>
    <radialGradient id='lg1'/>
    <rect class='fil1'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <radialGradient id='lg1'/>
    <rect fill='url(#lg1)'/>
</svg>
");

// order of styles ungrouping is important
test_resave!(parse_css_8,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
    <![CDATA[
        .fil1 {fill:blue}
    ]]>
    </style>
    <g fill='red' style='fill:green' class='fil1'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#008000'/>
</svg>
");

// order of styles ungrouping is important
test_resave!(parse_css_9,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
    <![CDATA[
        .fil1 {fill:blue}
    ]]>
    </style>
    <g fill='red' class='fil1'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#0000ff'/>
</svg>
");

// style can be set without CDATA block
test_resave!(parse_css_10,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
        .fil1 {fill:blue}
    </style>
    <g fill='red' class='fil1'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#0000ff'/>
</svg>
");

test_resave!(parse_css_11,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
        @import url('../some.css');
    </style>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'/>
");

test_resave!(parse_css_12,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'><![CDATA[
        #c { fill: red }
        ]]>
    </style>
    <g id='c'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g id='c' fill='#ff0000'/>
</svg>
");

test_resave!(parse_css_14,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'><![CDATA[
        * { fill: red }
        ]]>
    </style>
    <g>
        <rect/>
    </g>
    <path/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg' fill='#ff0000'>
    <g fill='#ff0000'>
        <rect fill='#ff0000'/>
    </g>
    <path fill='#ff0000'/>
</svg>
");

test_resave!(parse_css_15,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'><![CDATA[
        g > rect { fill: green}
        ]]>
    </style>
    <g>
        <rect/>
    </g>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g>
        <rect fill='#008000'/>
    </g>
</svg>
");

test_resave!(parse_css_16,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'><![CDATA[
        g rect { fill: green}
        ]]>
    </style>
    <g>
        <rect/>
    </g>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g>
        <rect fill='#008000'/>
    </g>
</svg>
");

// empty style
test_resave!(parse_css_17,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'/>
    <g fill='#0000ff'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#0000ff'/>
</svg>
");

test_resave!(parse_css_18,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
        .fil1, .fil2 {fill:blue}
    </style>
    <g class='fil1'/>
    <g class='fil2'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#0000ff'/>
    <g fill='#0000ff'/>
</svg>
");

test_resave!(parse_css_19,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
    <![CDATA[
    ]]>
    </style>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'/>
");

test_resave!(parse_css_20,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
        .cls-1,.cls-17{fill:red;}
        .cls-1{stroke:red;}
        .cls-17{stroke:black;}
    </style>
    <g class='cls-1'/>
    <g class='cls-17'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#ff0000' stroke='#ff0000'/>
    <g fill='#ff0000' stroke='#000000'/>
</svg>
");

test_resave!(parse_css_21,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style>#g1 { fill:red }</style>
    <style type='text/css'>#g1 { fill:blue }</style>
    <style type='blah'>#g1 { fill:red }</style>
    <g id='g1'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g id='g1' fill='#0000ff'/>
</svg>
");

// marker property
test_resave!(parse_css_23,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style type='text/css'>
        rect { marker: url(#marker1); }
    </style>
    <marker id='marker1'/>
    <rect/>
</svg>
",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <marker id='marker1'/>
    <rect marker-end='url(#marker1)' marker-mid='url(#marker1)' marker-start='url(#marker1)'/>
</svg>
");

// no `type`
test_resave!(parse_css_24,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style>
    <![CDATA[
        .fil1 {fill:blue}
    ]]>
    </style>
    <g class='fil1'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g fill='#0000ff'/>
</svg>
");

// Skip non-presentation attributes, but keep transform.
test_resave!(parse_css_25,
"<svg xmlns='http://www.w3.org/2000/svg'>
    <style>
        #g1 { height:100; transform:scale(2) }
    </style>
    <g id='g1'/>
</svg>",
"<svg xmlns='http://www.w3.org/2000/svg'>
    <g id='g1' transform='matrix(2 0 0 2 0 0)'/>
</svg>
");