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README
A HTML entity encoding library for Rust
Example usage
All example assume a extern crate htmlescape; and use htmlescape::{relevant functions here}; is present.
Encoding
htmlescape::encode_minimal() encodes an input string using a minimal set of HTML entities.
let title = "Cats & dogs";
let tag = format!("<title>{}</title>", encode_minimal(title));
assert_eq!(tag.as_slice(), "<title>Cats & dogs</title>");
There is also a htmlescape::encode_attribute() function for encoding strings that are to be used
as html attribute values.
Decoding
htmlescape::decode_html() decodes an encoded string, replacing HTML entities with the
corresponding characters. Named, hex, and decimal entities are supported. A Result value is
returned, with either the decoded string in Ok, or an error in Err.
let encoded = "Cats & dogs";
let decoded = match decode_html(encoded) {
Err(reason) => panic!("Error {:?} at character {}", reason.kind, reason.position),
Ok(s) => s
};
assert_eq!(decoded.as_slice(), "Cats & dogs");
Avoiding allocations
Both the encoding and decoding functions are available in forms that take a Writer for output rather
than returning an String. These version can be used to avoid allocation and copying if the returned
String was just going to be written to a Writer anyway.