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/*
 * parsing/collect/container.rs
 *
 * ftml - Library to parse Wikidot text
 * Copyright (C) 2019-2022 Wikijump Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

//! Helper code to parse tokens out to generate recursive containers.

use super::prelude::*;
use crate::parsing::collect::collect_consume;
use crate::tree::{AttributeMap, Container, ContainerType, Element};

/// Generic function to consume tokens into a container.
///
/// This is a subset of the functionality provided by `collect`,
/// as it builds `Container`s specifically.
///
/// The arguments which differ from `collect` are listed:
/// See that function for full documentation, as the call here
/// mostly wraps it.
///
/// This call always sets `step_on_final` to `true`.
///
/// The kind of container we're building:
/// Must match the parse rule.
/// * `container_type`
pub fn collect_container<'p, 'r, 't>(
    parser: &'p mut Parser<'r, 't>,
    rule: Rule,
    container_type: ContainerType,
    close_conditions: &[ParseCondition],
    invalid_conditions: &[ParseCondition],
    warn_kind: Option<ParseWarningKind>,
) -> ParseResult<'r, 't, Elements<'t>> {
    info!(
        "Trying to consume tokens to produce container {} for {}",
        container_type.name(),
        rule.name(),
    );

    // Iterate and consume all the tokens
    let (elements, exceptions, paragraph_safe) = collect_consume(
        parser,
        rule,
        close_conditions,
        invalid_conditions,
        warn_kind,
    )?
    .into();

    // Package into a container
    ok!(
        paragraph_safe && container_type.paragraph_safe();
        Element::Container(Container::new(
            container_type,
            elements,
            AttributeMap::new(),
        )),
        exceptions,
    )
}