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use uri::Uri;
pub enum RdfSyntaxDataTypes {
A,
ListFirst,
ListRest,
ListNil,
}
impl RdfSyntaxDataTypes {
pub fn to_uri(&self) -> Uri {
Uri::new(self.to_string())
}
pub fn to_string(&self) -> String {
let schema_name = "http://www.w3.org/1999/02/22-rdf-syntax-ns#".to_string();
match *self {
RdfSyntaxDataTypes::A => schema_name + "type",
RdfSyntaxDataTypes::ListFirst => schema_name + "first",
RdfSyntaxDataTypes::ListRest => schema_name + "rest",
RdfSyntaxDataTypes::ListNil => schema_name + "nil",
}
}
}
pub struct RdfSyntaxSpecs {}
impl RdfSyntaxSpecs {
fn characters_to_be_escaped() -> Vec<char> {
vec!['\'', '"', '\\']
}
pub fn escape_literal(literal: &str) -> String {
let escaped_literal = literal.to_string();
for c in RdfSyntaxSpecs::characters_to_be_escaped() {
let mut escaped_char = "\\".to_string();
escaped_char.push(c);
escaped_literal.replace(c, &escaped_char);
}
escaped_literal
}
}