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extern crate regex;
#[macro_use]
extern crate lazy_static;
mod tests;
pub mod validators;
pub struct ValidationChain {
chain: Vec<Box<ValidatorCondition>>
}
pub trait ValidatorCondition {
fn validate(&self, input: String) -> bool {
unimplemented!()
}
fn get_err_message(&self) -> String {
unimplemented!()
}
}
impl ValidationChain {
pub fn new() -> Self {
ValidationChain { chain: Vec::new() }
}
pub fn add(&mut self, condition: Box<ValidatorCondition>) -> &mut Self {
self.chain.push(condition);
self
}
pub fn validate(&self, s: String) -> Result<String, String> {
for condition in self.chain.iter() {
if !condition.validate(s.clone()) {
return Err(condition.get_err_message())
}
}
Ok(s.clone())
}
}