From f5ac7b8efb4e0d1dd197ddecbad2b46fd19f5ddb Mon Sep 17 00:00:00 2001 From: Ruben Beltran del Rio Date: Thu, 9 Jan 2025 22:02:19 +0100 Subject: Remove no longer necessary code --- src/html_renderer.rs | 256 --------------------------------------------------- 1 file changed, 256 deletions(-) delete mode 100644 src/html_renderer.rs (limited to 'src/html_renderer.rs') diff --git a/src/html_renderer.rs b/src/html_renderer.rs deleted file mode 100644 index 6b9ce38..0000000 --- a/src/html_renderer.rs +++ /dev/null @@ -1,256 +0,0 @@ -use crate::gemini_parser::GeminiLine; - -/// Renders HTML from a vector of `GeminiLine` elements. -/// -/// # Arguments -/// * `lines` - Vector of `GeminiLine` elements to render -/// -/// # Returns -/// A String containing the rendered HTML. -pub fn render_html(lines: &[GeminiLine]) -> String { - let mut heading_stack = Vec::new(); - let mut last_line: Option<&GeminiLine> = None; - let mut result = String::new(); - - for line in lines { - result.push_str(&line_preamble(line, last_line, &mut heading_stack)); - result.push_str(&line_content(line)); - result.push('\n'); - last_line = Some(line); - } - - result.push_str(&finalize_html(&heading_stack, last_line)); - result -} - -fn line_preamble( - line: &GeminiLine, - last_line: Option<&GeminiLine>, - heading_stack: &mut Vec, -) -> String { - let mut html = String::new(); - - if let Some(last_line) = last_line { - match last_line { - GeminiLine::ListItem(_) => match line { - GeminiLine::ListItem(_) => {} - _ => html.push_str("\n"), - }, - GeminiLine::Quote(_) => match line { - GeminiLine::Quote(_) => {} - _ => html.push_str("\n"), - }, - _ => {} - } - } - - match line { - GeminiLine::Heading(level, _) => { - while let Some(open_heading) = heading_stack.pop() { - // You just encountered a more important heading. - // Put it back. Desist. - if open_heading < *level { - heading_stack.push(open_heading); - break; - } - - html.push_str("\n"); - - if open_heading == *level { - break; - } - } - heading_stack.push(*level); - html.push_str(&format!("
\n")); - } - GeminiLine::ListItem(_) => match last_line { - Some(GeminiLine::ListItem(_)) => {} - _ => html.push_str("
    \n"), - }, - GeminiLine::Quote(_) => match last_line { - Some(GeminiLine::Quote(_)) => {} - _ => html.push_str("
    \n"), - }, - _ => {} - } - - html -} - -fn line_content(line: &GeminiLine) -> String { - match line { - GeminiLine::Text(content, false) => format!("

    {content}

    "), - GeminiLine::Link(url, text) => { - let display = if text.is_empty() { url } else { text }; - format!("

    {display}

    ") - } - GeminiLine::Heading(level, content) => format!("{content}"), - GeminiLine::ListItem(content) => format!("
  • {content}
    • "), - GeminiLine::PreformattedToggle(true, alt_text) => { - format!("
    ")
-        }
-        GeminiLine::PreformattedToggle(false, _) => "
    ".to_string(), - GeminiLine::Text(content, true) | GeminiLine::Quote(content) => content.to_string(), - } -} - -fn finalize_html(heading_stack: &[u8], last_line: Option<&GeminiLine>) -> String { - let mut html = String::new(); - - match last_line { - Some(GeminiLine::ListItem(_)) => html.push_str("
\n"), - Some(GeminiLine::Quote(_)) => html.push_str("\n"), - _ => {} - } - - for _ in heading_stack { - html.push_str("
\n"); - } - - html -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn test_simple_text() { - let input = vec![GeminiLine::Text("Hello world".to_string(), false)]; - assert_eq!(render_html(&input), "

Hello world

\n"); - } - - #[test] - fn test_heading_nesting() { - let input = vec![ - GeminiLine::Heading(1, "Top".to_string()), - GeminiLine::Heading(2, "Sub".to_string()), - GeminiLine::Heading(3, "SubSub".to_string()), - GeminiLine::Heading(2, "Another Sub".to_string()), - ]; - assert_eq!( - render_html(&input), - "
\n\ -

Top

\n\ -
\n\ -

Sub

\n\ -
\n\ -

SubSub

\n\ -
\n\ -
\n\ -
\n\ -

Another Sub

\n\ -
\n\ -
\n" - ); - } - - #[test] - fn test_list_transitions() { - let input = vec![ - GeminiLine::ListItem("First".to_string()), - GeminiLine::ListItem("Second".to_string()), - GeminiLine::Text("Break".to_string(), false), - GeminiLine::ListItem("New list".to_string()), - ]; - assert_eq!( - render_html(&input), - "\n\ -

Break

\n\ - \n" - ); - } - - #[test] - fn test_quote_transitions() { - let input = vec![ - GeminiLine::Quote("First quote".to_string()), - GeminiLine::Quote("Still quoting".to_string()), - GeminiLine::Text("Normal text".to_string(), false), - GeminiLine::Quote("New quote".to_string()), - ]; - assert_eq!( - render_html(&input), - "
\n\ - First quote\n\ - Still quoting\n\ -
\n\ -

Normal text

\n\ -
\n\ - New quote\n\ -
\n" - ); - } - - #[test] - fn test_preformatted() { - let input = vec![ - GeminiLine::PreformattedToggle(true, "code".to_string()), - GeminiLine::Text("let x = 42;".to_string(), true), - GeminiLine::PreformattedToggle(false, String::new()), - ]; - assert_eq!( - render_html(&input), - "
\n\
-             let x = 42;\n\
-
\n" - ); - } - - #[test] - fn test_links() { - let input = vec![ - GeminiLine::Link("https://example.com".to_string(), "Example".to_string()), - GeminiLine::Link("https://rust-lang.org".to_string(), String::new()), - ]; - assert_eq!( - render_html(&input), - "

Example

\n\ -

https://rust-lang.org

\n" - ); - } - - #[test] - fn test_complex_nesting() { - let input = vec![ - GeminiLine::Heading(1, "Title".to_string()), - GeminiLine::Text("Intro".to_string(), false), - GeminiLine::Heading(2, "Section".to_string()), - GeminiLine::ListItem("Point 1".to_string()), - GeminiLine::ListItem("Point 2".to_string()), - GeminiLine::Quote("Important quote".to_string()), - GeminiLine::Heading(2, "Another Section".to_string()), - ]; - assert_eq!( - render_html(&input), - "
\n\ -

Title

\n\ -

Intro

\n\ -
\n\ -

Section

\n\ -
    \n\ -
  • Point 1
    • \n\ -
  • Point 2
    • \n\ -
\n\ -
\n\ - Important quote\n\ -
\n\ -
\n\ -
\n\ -

Another Section

\n\ -
\n\ -
\n" - ); - } - - #[test] - fn test_empty_input() { - let input = Vec::new(); - assert_eq!(render_html(&input), ""); - } -} -- cgit