Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'xtask/src/publish/notes.rs')
| -rw-r--r-- | xtask/src/publish/notes.rs | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/xtask/src/publish/notes.rs b/xtask/src/publish/notes.rs index 3ff0f5a280..974baabefe 100644 --- a/xtask/src/publish/notes.rs +++ b/xtask/src/publish/notes.rs @@ -1,5 +1,6 @@ use anyhow::{anyhow, bail}; use std::{ + borrow::Cow, io::{BufRead, Lines}, iter::Peekable, }; @@ -431,6 +432,141 @@ impl ListMarker { } } +fn process_inline_macros(line: &str) -> anyhow::Result<Cow<'_, str>> { + let mut chars = line.char_indices(); + loop { + let (start, end, a_macro) = match get_next_line_component(&mut chars) { + Component::None => break, + Component::Text => continue, + Component::Macro(s, e, m) => (s, e, m), + }; + let mut src = line.chars(); + let mut processed = String::new(); + for _ in 0..start { + processed.push(src.next().unwrap()); + } + processed.push_str(a_macro.process()?.as_str()); + for _ in start..end { + let _ = src.next().unwrap(); + } + let mut pos = end; + + loop { + let (start, end, a_macro) = match get_next_line_component(&mut chars) { + Component::None => break, + Component::Text => continue, + Component::Macro(s, e, m) => (s, e, m), + }; + for _ in pos..start { + processed.push(src.next().unwrap()); + } + processed.push_str(a_macro.process()?.as_str()); + for _ in start..end { + let _ = src.next().unwrap(); + } + pos = end; + } + for ch in src { + processed.push(ch); + } + return Ok(Cow::Owned(processed)); + } + Ok(Cow::Borrowed(line)) +} + +fn get_next_line_component(chars: &mut std::str::CharIndices<'_>) -> Component { + let (start, mut macro_name) = match chars.next() { + None => return Component::None, + Some((_, ch)) if ch == ' ' || !ch.is_ascii() => return Component::Text, + Some((pos, ch)) => (pos, String::from(ch)), + }; + loop { + match chars.next() { + None => return Component::None, + Some((_, ch)) if ch == ' ' || !ch.is_ascii() => return Component::Text, + Some((_, ':')) => break, + Some((_, ch)) => macro_name.push(ch), + } + } + + let mut macro_target = String::new(); + loop { + match chars.next() { + None => return Component::None, + Some((_, ' ')) => return Component::Text, + Some((_, '[')) => break, + Some((_, ch)) => macro_target.push(ch), + } + } + + let mut attr_value = String::new(); + let end = loop { + match chars.next() { + None => return Component::None, + Some((pos, ']')) => break pos + 1, + Some((_, ch)) => attr_value.push(ch), + } + }; + + Component::Macro(start, end, Macro::new(macro_name, macro_target, attr_value)) +} + +enum Component { + None, + Text, + Macro(usize, usize, Macro), +} + +struct Macro { + name: String, + target: String, + attrs: String, +} + +impl Macro { + fn new(name: String, target: String, attrs: String) -> Self { + Self { name, target, attrs } + } + + fn process(&self) -> anyhow::Result<String> { + let name = &self.name; + let text = match name.as_str() { + "https" => { + let url = &self.target; + let anchor_text = &self.attrs; + format!("[{anchor_text}](https:{url})") + } + "image" => { + let url = &self.target; + let alt = &self.attrs; + format!("") + } + "kbd" => { + let keys = self.attrs.split('+').map(|k| Cow::Owned(format!("<kbd>{k}</kbd>"))); + keys.collect::<Vec<_>>().join("+") + } + "pr" => { + let pr = &self.target; + let url = format!("https://github.com/rust-analyzer/rust-analyzer/pull/{pr}"); + format!("[`#{pr}`]({url})") + } + "commit" => { + let hash = &self.target; + let short = &hash[0..7]; + let url = format!("https://github.com/rust-analyzer/rust-analyzer/commit/{hash}"); + format!("[`{short}`]({url})") + } + "release" => { + let date = &self.target; + let url = format!("https://github.com/rust-analyzer/rust-analyzer/releases/{date}"); + format!("[`{date}`]({url})") + } + _ => bail!("macro not supported: {name}"), + }; + Ok(text) + } +} + #[cfg(test)] mod tests { use super::*; @@ -612,4 +748,50 @@ This is a plain listing. assert_eq!(actual, expected); } + + macro_rules! test_inline_macro_processing { + ($(( + $name:ident, + $input:expr, + $expected:expr + ),)*) => ($( + #[test] + fn $name() { + let input = $input; + let actual = process_inline_macros(&input).unwrap(); + let expected = $expected; + assert_eq!(actual, expected) + } + )*); + } + + test_inline_macro_processing! { + (inline_macro_processing_for_empty_line, "", ""), + (inline_macro_processing_for_line_with_no_macro, "foo bar", "foo bar"), + ( + inline_macro_processing_for_macro_in_line_start, + "kbd::[Ctrl+T] foo", + "<kbd>Ctrl</kbd>+<kbd>T</kbd> foo" + ), + ( + inline_macro_processing_for_macro_in_line_end, + "foo kbd::[Ctrl+T]", + "foo <kbd>Ctrl</kbd>+<kbd>T</kbd>" + ), + ( + inline_macro_processing_for_macro_in_the_middle_of_line, + "foo kbd::[Ctrl+T] foo", + "foo <kbd>Ctrl</kbd>+<kbd>T</kbd> foo" + ), + ( + inline_macro_processing_for_several_macros, + "foo kbd::[Ctrl+T] foo kbd::[Enter] foo", + "foo <kbd>Ctrl</kbd>+<kbd>T</kbd> foo <kbd>Enter</kbd> foo" + ), + ( + inline_macro_processing_for_several_macros_without_text_in_between, + "foo kbd::[Ctrl+T]kbd::[Enter] foo", + "foo <kbd>Ctrl</kbd>+<kbd>T</kbd><kbd>Enter</kbd> foo" + ), + } } |