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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! This is an internal module used by the ifmt! runtime. These structures are
//! emitted to static arrays to precompile format strings ahead of time.
//!
//! These definitions are similar to their `ct` equivalents, but differ in that
//! these can be statically allocated and are slightly optimized for the runtime
#[allow(missing_doc)];
#[doc(hidden)];
use either::Either;
use fmt::parse;
use option::Option;
pub enum Piece<'self> {
String(&'self str),
// FIXME(#8259): this shouldn't require the unit-value here
CurrentArgument(()),
Argument(Argument<'self>),
}
pub struct Argument<'self> {
position: Position,
format: FormatSpec,
method: Option<&'self Method<'self>>
}
pub struct FormatSpec {
fill: char,
align: parse::Alignment,
flags: uint,
precision: parse::Count,
width: parse::Count,
}
pub enum Position {
ArgumentNext, ArgumentIs(uint)
}
pub enum Method<'self> {
Plural(Option<uint>, &'self [PluralArm<'self>], &'self [Piece<'self>]),
Select(&'self [SelectArm<'self>], &'self [Piece<'self>]),
}
pub struct PluralArm<'self> {
selector: Either<parse::PluralKeyword, uint>,
result: &'self [Piece<'self>],
}
pub struct SelectArm<'self> {
selector: &'self str,
result: &'self [Piece<'self>],
}
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