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pub enum LineElement {
Normal(String),
Bold(String),
Italic(String),
Monospace(String),
Math(String),
InternalLink(String),
ExternalLink(ExternalLink),
}
impl LineElement {
/// Return only the character content, with none of the styling information.
pub fn as_plain_text(&self) -> &str {
match self {
LineElement::Normal(text) => text,
LineElement::Bold(text) => text,
LineElement::Italic(text) => text,
LineElement::Monospace(text) => text,
LineElement::Math(text) => text,
LineElement::InternalLink(label) => label,
LineElement::ExternalLink(ExternalLink { label, ..}) => label,
}
}
}
pub struct ExternalLink {
pub label: String,
pub target: String,
}
impl std::fmt::Display for LineElement {
fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
let string = match self {
LineElement::Normal(text) => format!("{text}"),
LineElement::Bold(text) => format!("**{text}**"),
LineElement::Italic(text) => format!("_{text}_"),
LineElement::Monospace(text) => format!("`{text}`"),
LineElement::Math(text) => format!("${text}$"),
LineElement::InternalLink(text) => format!("[[{text}]]"),
LineElement::ExternalLink(ExternalLink { label, target }) => {
format!("[{label}]({target})") }
};
f.write_str(&string)
}
}
impl std::fmt::Debug for LineElement {
fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
let string = match self {
LineElement::Normal(text) => format!("Normal ('{text}')"),
LineElement::Bold(text) => format!("Bold ('{text}')"),
LineElement::Italic(text) => format!("Italic ('{text}')"),
LineElement::Monospace(text) => format!("Monospace ('{text}')"),
LineElement::Math(text) => format!("Math ('{text}')"),
LineElement::InternalLink(text) => format!("InternalLink ('{text}')"),
LineElement::ExternalLink(ExternalLink { label, target }) => {
format!("ExternalLink (label:'{label}', target:'{target}')") }
};
f.write_str(&string)
}
}
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