feat: OrgizeError
enum
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parent
5db7ec7465
commit
89758da638
125
src/error.rs
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125
src/error.rs
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use indextree::NodeId;
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use crate::elements::*;
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use crate::Org;
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/// Orgize Error
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#[derive(Debug)]
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pub enum OrgizeError {
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/// Expect this node has children
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Children { at: NodeId },
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/// Expect this node has no children
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NoChildren { at: NodeId },
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/// Expect this node contains a headline or section element
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HeadlineOrSection { at: NodeId },
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/// Expect this node contains a title element
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Title { at: NodeId },
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/// Expect this node contains a headline element
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Headline { at: NodeId },
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/// Expect a detached headline
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Detached { at: NodeId },
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/// Expect a headline where its level >= max and <= min
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HeadlineLevel {
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max: Option<usize>,
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min: Option<usize>,
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at: NodeId,
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},
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}
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impl Org<'_> {
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pub fn check(&self) -> Result<(), OrgizeError> {
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for node_id in self.root.descendants(&self.arena) {
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let node = &self.arena[node_id];
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match node.get() {
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Element::Document => {
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for child_id in node_id.children(&self.arena) {
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match self.arena[child_id].get() {
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Element::Headline { .. } | Element::Section => (),
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_ => return Err(OrgizeError::HeadlineOrSection { at: child_id }),
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}
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}
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}
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Element::Headline { .. } => {
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if node.first_child().is_none() {
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return Err(OrgizeError::Children { at: node_id });
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}
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let title = node.first_child().unwrap();
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match self.arena[title].get() {
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Element::Title(Title { .. }) => (),
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_ => return Err(OrgizeError::Title { at: title }),
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}
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if let Some(next) = self.arena[title].next_sibling() {
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match self.arena[next].get() {
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Element::Headline { .. } | Element::Section => (),
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_ => return Err(OrgizeError::HeadlineOrSection { at: next }),
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}
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for sibling in next.following_siblings(&self.arena).skip(1) {
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match self.arena[sibling].get() {
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Element::Headline { .. } => (),
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_ => return Err(OrgizeError::Headline { at: sibling }),
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}
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}
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}
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}
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Element::Title(Title { raw, .. }) => {
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if !raw.is_empty() && node.first_child().is_none() {
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return Err(OrgizeError::Children { at: node_id });
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}
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}
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Element::CommentBlock(_)
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| Element::ExampleBlock(_)
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| Element::ExportBlock(_)
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| Element::SourceBlock(_)
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| Element::BabelCall(_)
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| Element::InlineSrc(_)
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| Element::Code { .. }
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| Element::FnRef(_)
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| Element::InlineCall(_)
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| Element::Link(_)
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| Element::Macros(_)
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| Element::RadioTarget
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| Element::Snippet(_)
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| Element::Target(_)
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| Element::Text { .. }
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| Element::Timestamp(_)
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| Element::Verbatim { .. }
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| Element::FnDef(_)
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| Element::Clock(_)
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| Element::Comment { .. }
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| Element::FixedWidth { .. }
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| Element::Keyword(_)
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| Element::Drawer(_)
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| Element::Rule
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| Element::Cookie(_)
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| Element::Table(Table::TableEl { .. })
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| Element::TableRow(TableRow::Rule) => {
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if node.first_child().is_some() {
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return Err(OrgizeError::NoChildren { at: node_id });
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}
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}
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Element::SpecialBlock(_)
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| Element::QuoteBlock(_)
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| Element::CenterBlock(_)
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| Element::VerseBlock(_)
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| Element::Paragraph
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| Element::Section
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| Element::Table(Table::Org { .. })
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| Element::TableRow(TableRow::Standard)
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| Element::TableCell
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| Element::Bold
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| Element::Italic
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| Element::Underline
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| Element::Strike
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| Element::DynBlock(_)
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| Element::List(_)
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| Element::ListItem(_) => {
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if node.first_child().is_none() {
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return Err(OrgizeError::Children { at: node_id });
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}
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}
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}
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}
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Ok(())
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}
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}
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