//! Markdown 檢視器 use anyhow::Result; pub struct MarkdownViewer { content: Option, } impl MarkdownViewer { pub fn new() -> Self { Self { content: None } } pub fn load(&mut self, content: &str) -> Result { self.content = Some(content.to_string()); self.render() } pub fn render(&self) -> Result { let content = self.content.as_ref() .ok_or_else(|| anyhow::anyhow!("No content loaded"))?; let parser = pulldown_cmark::Parser::new(content); let mut html = String::new(); pulldown_cmark::html::push_html(&mut html, parser); Ok(html) } pub fn get_html_template(&self) -> String { r#"

CONTENT_PLACEHOLDER

"#.replace("CONTENT_PLACEHOLDER", &self.render().unwrap_or_default()) } }