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use nom::{self, IResult};
fn take_content(i: &[u8]) -> IResult<&[u8], &[u8]> {
if i.len() < 1 || i[0] == b'{' {
return IResult::Error(error_position!(nom::ErrorKind::TakeUntil, i));
}
for (j, c) in i.iter().enumerate() {
if *c == b'{' {
if i.len() < j + 2 {
return IResult::Done(&i[..0], &i[..]);
} else if i[j + 1] == '{' as u8 {
return IResult::Done(&i[j..], &i[..j]);
} else if i[j + 1] == '%' as u8 {
return IResult::Done(&i[j..], &i[..j]);
}
}
}
IResult::Done(&i[..0], &i[..])
}
named!(var_expr, delimited!(tag!("{{"), take_until!("}}"), tag!("}}")));
named!(parse_template< Vec<&[u8]> >, many1!(alt!(take_content | var_expr)));
pub fn parse<'a>(src: &'a str) -> Vec<&'a [u8]> {
match parse_template(src.as_bytes()) {
IResult::Done(_, res) => res,
_ => panic!("problems parsing template source"),
}
}
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