mirror of https://github.com/rwf2/Rocket.git
59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
#![feature(plugin, custom_derive)]
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#![plugin(rocket_codegen)]
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extern crate rocket;
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use rocket::request::{FromForm, FromFormValue, FormItems};
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use rocket::http::RawStr;
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#[derive(Debug, PartialEq, FromForm)]
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struct Form {
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single: usize,
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#[form(field = "camelCase")]
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camel_case: String,
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#[form(field = "TitleCase")]
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title_case: String,
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#[form(field = "type")]
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field_type: isize,
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#[form(field = "DOUBLE")]
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double: String,
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}
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fn parse<'f, T: FromForm<'f>>(string: &'f str, strict: bool) -> Option<T> {
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let mut items = FormItems::from(string);
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let result = T::from_form(items.by_ref(), strict);
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if !items.exhaust() {
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panic!("Invalid form input.");
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}
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result.ok()
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}
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fn parse_strict<'f, T: FromForm<'f>>(string: &'f str) -> Option<T> {
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parse(string, true)
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}
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fn main() {
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let form_string = &[
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"single=100", "camelCase=helloThere", "TitleCase=HiHi", "type=-2",
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"DOUBLE=bing_bong"
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].join("&");
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let form: Option<Form> = parse_strict(&form_string);
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assert_eq!(form, Some(Form {
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single: 100,
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camel_case: "helloThere".into(),
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title_case: "HiHi".into(),
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field_type: -2,
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double: "bing_bong".into()
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}));
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let form_string = &[
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"single=100", "camel_case=helloThere", "TitleCase=HiHi", "type=-2",
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"DOUBLE=bing_bong"
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].join("&");
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let form: Option<Form> = parse_strict(&form_string);
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assert!(form.is_none());
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}
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