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use LogMessage;
use LogParser;
pub use proxies::parser::{OptionError, Parser, ParserBuilder};
#[repr(C)]
pub struct ParserProxy<B>
where B: ParserBuilder<LogParser>
{
pub parser: Option<B::Parser>,
pub builder: Option<B>,
}
impl<B> ParserProxy<B> where B: ParserBuilder<LogParser>
{
pub fn new() -> ParserProxy<B> {
ParserProxy {
parser: None,
builder: Some(B::new()),
}
}
pub fn init(&mut self) -> bool {
let builder = self.builder.take().expect("Called init when builder was not set");
match builder.build() {
Ok(parser) => {
self.parser = Some(parser);
true
}
Err(error) => {
error!("Error: {:?}", error);
false
}
}
}
pub fn set_option(&mut self, name: String, value: String) {
if self.builder.is_none() {
self.builder = Some(B::new());
}
let builder = self.builder.as_mut().expect("Failed to get builder on a ParserProxy");
builder.option(name, value);
}
pub fn process(&mut self, parent: &mut LogParser, msg: &mut LogMessage, input: &str) -> bool {
self.parser
.as_mut()
.expect("Called process on a non-existing Rust parser")
.parse(parent, msg, input)
}
}
impl<B> Clone for ParserProxy<B> where B: ParserBuilder<LogParser> {
fn clone(&self) -> ParserProxy<B> {
ParserProxy {parser: self.parser.clone(), builder: None}
}
}