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@ -5,8 +5,10 @@ use nom::bytes::complete::take_until;
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use nom::combinator::map;
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use nom::combinator::recognize;
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use nom::combinator::value;
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use nom::multi::many0;
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use nom::multi::separated_list;
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use nom::sequence::delimited;
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use nom::sequence::preceded;
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use nom::sequence::tuple;
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use nom::IResult;
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@ -39,6 +41,18 @@ struct Path<'a> {
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#[derive(Clone, Debug)]
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struct Reference<'a> {
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path: Path<'a>,
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filters: Vec<Filter>,
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}
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#[derive(Clone, Debug)]
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enum Filter {
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HtmlEncode,
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DisableHtmlEncode,
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JavascriptStringEncode,
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EncodeUri,
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EncodeUriComponent,
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JsonStringify,
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JsonParse,
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}
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fn dust_tag(i: &str) -> IResult<&str, DustTag> {
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@ -83,7 +97,27 @@ fn path(i: &str) -> IResult<&str, Path> {
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}
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fn reference(i: &str) -> IResult<&str, Reference> {
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// TODO: Add support for filters
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let (remaining, p) = delimited(tag("{"), path, tag("}"))(i)?;
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Ok((remaining, Reference { path: p }))
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let (remaining, (p, filters)) = delimited(tag("{"), tuple((path, many0(filter))), tag("}"))(i)?;
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Ok((
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remaining,
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Reference {
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path: p,
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filters: filters,
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},
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))
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}
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fn filter(i: &str) -> IResult<&str, Filter> {
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preceded(
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tag("|"),
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alt((
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value(Filter::JsonStringify, tag("js")),
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value(Filter::JsonParse, tag("jp")),
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value(Filter::EncodeUriComponent, tag("uc")),
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value(Filter::HtmlEncode, tag("h")),
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value(Filter::DisableHtmlEncode, tag("s")),
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value(Filter::JavascriptStringEncode, tag("j")),
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value(Filter::EncodeUri, tag("u")),
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)),
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)(i)
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}
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