lua-patterns 0.4.0

Binding to Lua String Patterns
Documentation 
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extern crate lua_patterns as lp;

fn main() {
    //~ let mut m = lp::LuaPattern::new("hello%");
    //~ m.matches("hello");
    //~ println!("ok");

    let mut m = lp::LuaPattern::new("(%a+)");
    let mut iter = m.gmatch("one two three");
    assert_eq!(iter.next(), Some("one"));
    assert_eq!(iter.next(), Some("two"));
    assert_eq!(iter.next(), Some("three"));
    assert_eq!(iter.next(), None);

    let mut m = lp::LuaPattern::new("%S+");
    let split: Vec<_> = m.gmatch("dog  cat leopard wolf").collect();
    assert_eq!(split, &["dog", "cat", "leopard", "wolf"]);

    let mut m = lp::LuaPattern::new("%s*(%S+)%s*=%s*(.-);");
    let cc = m.captures(" hello= bonzo dog;");
    assert_eq!(cc[0], " hello= bonzo dog;");
    assert_eq!(cc[1], "hello");
    assert_eq!(cc[2], "bonzo dog");

    for cc in m.gmatch_captures("hello=bonzo dog; bye=cat;") {
        println!("'{}'='{}'", cc.get(1), cc.get(2));
    }

    let mut m = lp::LuaPattern::new("%$(%S+)");
    let res = m.gsub_with("hello $dolly you're so $fine", |cc| {
        cc.get(1).to_uppercase()
    });
    assert_eq!(res, "hello DOLLY you're so FINE");

    let mut m = lp::LuaPattern::new("(%S+)%s*=%s*([^;]+);");
    let res = m.gsub_with("alpha=bonzo; beta=felix;", |cc| {
        format!("{}:'{}',", cc.get(1), cc.get(2))
    });
    assert_eq!(res, "alpha:'bonzo', beta:'felix',");
}