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//! Block-level container handlers for Djot parsing.
use super::state::{ExtractionState, push_block};
use crate::types::{Attributes, BlockType, FormattedBlock};
use jotdown::Container;
/// Handle start of block containers.
pub(super) fn handle_block_start(
state: &mut ExtractionState,
container: &Container,
_attrs: &jotdown::Attributes,
parsed_attrs: Option<Attributes>,
footnotes: &mut Vec<crate::types::Footnote>,
) -> bool {
match container {
Container::Heading { level, .. } => {
push_block(
state,
FormattedBlock {
block_type: BlockType::Heading,
level: Some(*level as usize),
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::Paragraph => {
push_block(
state,
FormattedBlock {
block_type: BlockType::Paragraph,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::Blockquote => {
push_block(
state,
FormattedBlock {
block_type: BlockType::Blockquote,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::CodeBlock { language } => {
let lang_str = if language.is_empty() {
None
} else {
Some(language.to_string())
};
state.in_code_block = true;
state.code_content.clear();
push_block(
state,
FormattedBlock {
block_type: BlockType::CodeBlock,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: lang_str,
code: Some(String::new()),
children: Vec::new(),
},
);
true
}
Container::RawBlock { format } => {
state.in_raw_block = true;
state.raw_format = Some(format.to_string());
state.code_content.clear();
push_block(
state,
FormattedBlock {
block_type: BlockType::RawBlock,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: Some(format.to_string()),
code: Some(String::new()),
children: Vec::new(),
},
);
true
}
Container::List { kind, .. } => {
let block_type = match kind {
jotdown::ListKind::Ordered { .. } => BlockType::OrderedList,
jotdown::ListKind::Unordered(_) => BlockType::BulletList,
jotdown::ListKind::Task(_) => BlockType::TaskList,
};
push_block(
state,
FormattedBlock {
block_type,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::ListItem => {
push_block(
state,
FormattedBlock {
block_type: BlockType::ListItem,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::TaskListItem { checked } => {
let mut attrs = parsed_attrs.unwrap_or_default();
attrs.key_values.push(("checked".to_string(), checked.to_string()));
push_block(
state,
FormattedBlock {
block_type: BlockType::ListItem,
level: None,
inline_content: Vec::new(),
attributes: Some(attrs),
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::DescriptionList => {
push_block(
state,
FormattedBlock {
block_type: BlockType::DefinitionList,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::DescriptionTerm => {
push_block(
state,
FormattedBlock {
block_type: BlockType::DefinitionTerm,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::DescriptionDetails => {
push_block(
state,
FormattedBlock {
block_type: BlockType::DefinitionDescription,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::Div { .. } => {
push_block(
state,
FormattedBlock {
block_type: BlockType::Div,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::Section { .. } => {
push_block(
state,
FormattedBlock {
block_type: BlockType::Section,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
Container::Footnote { label } => {
// Start tracking a footnote definition
footnotes.push(crate::types::Footnote {
label: label.to_string(),
content: Vec::new(),
});
// We'll collect the content as blocks
push_block(
state,
FormattedBlock {
block_type: BlockType::Paragraph,
level: None,
inline_content: Vec::new(),
attributes: parsed_attrs,
language: None,
code: None,
children: Vec::new(),
},
);
true
}
_ => false,
}
}
/// Handle end of block containers.
pub(super) fn handle_block_end(_state: &mut ExtractionState, container: &Container) -> bool {
matches!(
container,
Container::Heading { .. }
| Container::Paragraph
| Container::Blockquote
| Container::CodeBlock { .. }
| Container::RawBlock { .. }
| Container::Div { .. }
| Container::Section { .. }
| Container::List { .. }
| Container::ListItem
| Container::TaskListItem { .. }
| Container::DescriptionList
| Container::DescriptionTerm
| Container::DescriptionDetails
)
}