diff options
Diffstat (limited to 'helix-term/src/commands.rs')
| -rw-r--r-- | helix-term/src/commands.rs | 136 |
1 files changed, 122 insertions, 14 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index fdad31a8..bd0a60b7 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -12,7 +12,7 @@ pub use typed::*; use helix_core::{ char_idx_at_visual_offset, comment, doc_formatter::TextFormat, - encoding, find_first_non_whitespace_char, find_workspace, graphemes, + encoding, find_workspace, graphemes, history::UndoKind, increment, indent, indent::IndentStyle, @@ -23,7 +23,7 @@ use helix_core::{ regex::{self, Regex}, search::{self, CharMatcher}, selection, shellwords, surround, - syntax::LanguageServerFeature, + syntax::{BlockCommentToken, LanguageServerFeature}, text_annotations::TextAnnotations, textobject, tree_sitter::Node, @@ -415,6 +415,8 @@ impl MappableCommand { completion, "Invoke completion popup", hover, "Show docs for item under cursor", toggle_comments, "Comment/uncomment selections", + toggle_line_comments, "Line comment/uncomment selections", + toggle_block_comments, "Block comment/uncomment selections", rotate_selections_forward, "Rotate selections forward", rotate_selections_backward, "Rotate selections backward", rotate_selection_contents_forward, "Rotate selection contents forward", @@ -822,7 +824,7 @@ fn kill_to_line_start(cx: &mut Context) { let head = if anchor == first_char && line != 0 { // select until previous line line_end_char_index(&text, line - 1) - } else if let Some(pos) = find_first_non_whitespace_char(text.line(line)) { + } else if let Some(pos) = text.line(line).first_non_whitespace_char() { if first_char + pos < anchor { // select until first non-blank in line if cursor is after it first_char + pos @@ -884,7 +886,7 @@ fn goto_first_nonwhitespace_impl(view: &mut View, doc: &mut Document, movement: let selection = doc.selection(view.id).clone().transform(|range| { let line = range.cursor_line(text); - if let Some(pos) = find_first_non_whitespace_char(text.line(line)) { + if let Some(pos) = text.line(line).first_non_whitespace_char() { let pos = pos + text.line_to_char(line); range.put_cursor(text, pos, movement == Movement::Extend) } else { @@ -3087,11 +3089,11 @@ fn insert_with_indent(cx: &mut Context, cursor_fallback: IndentFallbackPos) { } else { // move cursor to the fallback position let pos = match cursor_fallback { - IndentFallbackPos::LineStart => { - find_first_non_whitespace_char(text.line(cursor_line)) - .map(|ws_offset| ws_offset + cursor_line_start) - .unwrap_or(cursor_line_start) - } + IndentFallbackPos::LineStart => text + .line(cursor_line) + .first_non_whitespace_char() + .map(|ws_offset| ws_offset + cursor_line_start) + .unwrap_or(cursor_line_start), IndentFallbackPos::LineEnd => line_end_char_index(&text, cursor_line), }; @@ -4462,18 +4464,124 @@ pub fn completion(cx: &mut Context) { } // comments -fn toggle_comments(cx: &mut Context) { +type CommentTransactionFn = fn( + line_token: Option<&str>, + block_tokens: Option<&[BlockCommentToken]>, + doc: &Rope, + selection: &Selection, +) -> Transaction; + +fn toggle_comments_impl(cx: &mut Context, comment_transaction: CommentTransactionFn) { let (view, doc) = current!(cx.editor); - let token = doc + let line_token: Option<&str> = doc + .language_config() + .and_then(|lc| lc.comment_tokens.as_ref()) + .and_then(|tc| tc.first()) + .map(|tc| tc.as_str()); + let block_tokens: Option<&[BlockCommentToken]> = doc .language_config() - .and_then(|lc| lc.comment_token.as_ref()) - .map(|tc| tc.as_ref()); - let transaction = comment::toggle_line_comments(doc.text(), doc.selection(view.id), token); + .and_then(|lc| lc.block_comment_tokens.as_ref()) + .map(|tc| &tc[..]); + + let transaction = + comment_transaction(line_token, block_tokens, doc.text(), doc.selection(view.id)); doc.apply(&transaction, view.id); exit_select_mode(cx); } +/// commenting behavior: +/// 1. only line comment tokens -> line comment +/// 2. each line block commented -> uncomment all lines +/// 3. whole selection block commented -> uncomment selection +/// 4. all lines not commented and block tokens -> comment uncommented lines +/// 5. no comment tokens and not block commented -> line comment +fn toggle_comments(cx: &mut Context) { + toggle_comments_impl(cx, |line_token, block_tokens, doc, selection| { + let text = doc.slice(..); + + // only have line comment tokens + if line_token.is_some() && block_tokens.is_none() { + return comment::toggle_line_comments(doc, selection, line_token); + } + + let split_lines = comment::split_lines_of_selection(text, selection); + + let default_block_tokens = &[BlockCommentToken::default()]; + let block_comment_tokens = block_tokens.unwrap_or(default_block_tokens); + + let (line_commented, line_comment_changes) = + comment::find_block_comments(block_comment_tokens, text, &split_lines); + + // block commented by line would also be block commented so check this first + if line_commented { + return comment::create_block_comment_transaction( + doc, + &split_lines, + line_commented, + line_comment_changes, + ) + .0; + } + + let (block_commented, comment_changes) = + comment::find_block_comments(block_comment_tokens, text, selection); + + // check if selection has block comments + if block_commented { + return comment::create_block_comment_transaction( + doc, + selection, + block_commented, + comment_changes, + ) + .0; + } + + // not commented and only have block comment tokens + if line_token.is_none() && block_tokens.is_some() { + return comment::create_block_comment_transaction( + doc, + &split_lines, + line_commented, + line_comment_changes, + ) + .0; + } + + // not block commented at all and don't have any tokens + comment::toggle_line_comments(doc, selection, line_token) + }) +} + +fn toggle_line_comments(cx: &mut Context) { + toggle_comments_impl(cx, |line_token, block_tokens, doc, selection| { + if line_token.is_none() && block_tokens.is_some() { + let default_block_tokens = &[BlockCommentToken::default()]; + let block_comment_tokens = block_tokens.unwrap_or(default_block_tokens); + comment::toggle_block_comments( + doc, + &comment::split_lines_of_selection(doc.slice(..), selection), + block_comment_tokens, + ) + } else { + comment::toggle_line_comments(doc, selection, line_token) + } + }); +} + +fn toggle_block_comments(cx: &mut Context) { + toggle_comments_impl(cx, |line_token, block_tokens, doc, selection| { + if line_token.is_some() && block_tokens.is_none() { + comment::toggle_line_comments(doc, selection, line_token) + } else { + let default_block_tokens = &[BlockCommentToken::default()]; + let block_comment_tokens = block_tokens.unwrap_or(default_block_tokens); + comment::toggle_block_comments(doc, selection, block_comment_tokens) + } + }); +} + fn rotate_selections(cx: &mut Context, direction: Direction) { let count = cx.count(); let (view, doc) = current!(cx.editor); |