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/*
* parsing/rule/impls/block/blocks/code.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::CodeBlock;
use wikidot_normalize::normalize;
pub const BLOCK_CODE: BlockRule = BlockRule {
name: "block-code",
accepts_names: &["code"],
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>> {
debug!("Parsing code block (in-head {in_head})");
assert!(!flag_star, "Code doesn't allow star flag");
assert!(!flag_score, "Code doesn't allow score flag");
assert_block_name(&BLOCK_CODE, name);
let mut arguments = parser.get_head_map(&BLOCK_CODE, in_head)?;
let mut language = arguments.get("type");
if let Some(ref mut language) = language {
language.to_mut().make_ascii_lowercase();
}
let mut name = arguments.get("name");
if let Some(ref mut name) = name {
normalize(name.to_mut());
}
let code = parser.get_body_text(&BLOCK_CODE)?;
let code_block = CodeBlock {
contents: cow!(code),
language,
name,
};
// We need to clone here since the same code block is
// conveyed in two places, and some of the fields may
// be Cow::Owned.
let element = Element::Code(code_block.clone());
parser.push_code_block(code_block);
ok!(element)
}