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/*
* parsing/rule/impls/block/blocks/image.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::{FileSource, FloatAlignment, LinkLocation};
pub const BLOCK_IMAGE: BlockRule = BlockRule {
name: "block-image",
accepts_names: &["image", "=image", "<image", ">image", "f<image", "f>image"],
accepts_star: false,
accepts_score: false,
accepts_newlines: false,
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 image block (name {name}, in-head {in_head})");
assert!(!flag_star, "Image doesn't allow star flag");
assert!(!flag_score, "Image doesn't allow score flag");
assert_block_name(&BLOCK_IMAGE, name);
let (source, mut arguments) = parser.get_head_name_map(&BLOCK_IMAGE, in_head)?;
let link = arguments.get("link").map(LinkLocation::parse);
let alignment = FloatAlignment::parse(name);
// Parse the image source based on format
let source = match FileSource::parse(source) {
Some(source) => source,
None => return Err(parser.make_err(ParseErrorKind::BlockMalformedArguments)),
};
// Build image
let element = Element::Image {
source,
link,
alignment,
attributes: arguments.to_attribute_map(parser.settings()),
};
ok!(element)
}