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/*
* parsing/rule/impls/block/blocks/align.rs
*
* ftml - Library to parse Wikidot text
* Copyright (C) 2019-2026 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/>.
*/
use super::prelude::*;
use crate::tree::{Alignment, AttributeMap};
macro_rules! make_align_block {
($block_const:ident, $block_name:expr, $symbol:expr, $align:ident) => {
use super::align::parse_alignment_block;
use super::prelude::*;
use crate::tree::Alignment;
pub const $block_const: BlockRule = BlockRule {
name: $block_name,
accepts_names: &[$symbol],
accepts_star: false,
accepts_score: false,
accepts_newlines: true,
parse_fn,
};
fn parse_fn<'r, 't>(
parser: &mut Parser<'r, 't>,
name: &'t str,
flag_star: bool,
flag_score: bool,
in_head: bool,
) -> ParseResult<'r, 't, Elements<'t>> {
parse_alignment_block(
(&$block_const, Alignment::$align),
parser,
name,
flag_star,
flag_score,
in_head,
)
}
};
}
pub fn parse_alignment_block<'r, 't>(
(block_rule, alignment): (&BlockRule, Alignment),
parser: &mut Parser<'r, 't>,
name: &'t str,
flag_star: bool,
flag_score: bool,
in_head: bool,
) -> ParseResult<'r, 't, Elements<'t>> {
debug!(
"Parsing alignment block (name '{}', block-rule '{}', alignment '{}', in-head {})",
name,
block_rule.name,
alignment.name(),
in_head,
);
assert!(!flag_star, "Alignment block doesn't allow star flag");
assert!(!flag_score, "Alignment block doesn't allow score flag");
assert_block_name(block_rule, name);
parser.get_head_none(block_rule, in_head)?;
// Get body content, with paragraphs
let (elements, errors, _) = parser.get_body_elements(block_rule, true)?.into();
// Build element
let element = Element::Container(Container::new(
ContainerType::Align(alignment),
elements,
AttributeMap::new(),
));
ok!(element, errors)
}