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use clap::ArgMatches;
use failure::Fallible as Result;
use librepology::v1::types::*;
use crate::config::Configuration;
use crate::frontend::list::ListFrontend;
use crate::frontend::json::JsonFrontend;
use crate::frontend::table::TableFrontend;
pub trait Frontend {
fn list_packages(&self, packages: Vec<Package>) -> Result<()>;
fn list_problems(&self, problems: Vec<Problem>) -> Result<()>;
}
pub mod list;
pub mod json;
pub mod table;
pub fn new_frontend(app: &ArgMatches, _config: &Configuration) -> Result<Box<Frontend>> {
match app.value_of("output") {
None | Some("lines") => {
debug!("No output specified, using default");
Ok(Box::new(ListFrontend::new(::std::io::stdout())))
},
Some("json") => {
debug!("Using JSON Frontend");
Ok(Box::new(JsonFrontend::new(::std::io::stdout())))
},
Some("table") => {
debug!("Using table Frontend");
Ok(Box::new(TableFrontend::new(::std::io::stdout())))
},
Some(other) => Err(format_err!("Unknown Frontend '{}'", other)),
}
}
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