use std::ops::Range; use crate::{ motion::right, state::{Mode, Operator}, Vim,};use editor::{ display_map::{DisplaySnapshot, ToDisplayPoint}, movement::{self, FindRange}, Bias, DisplayPoint, Editor,};use gpui::{actions, impl_actions, Window};use itertools::Itertools;use language::{BufferSnapshot, CharKind, Point, Selection, TextObject, TreeSitterOptions};use multi_buffer::MultiBufferRow;use schemars::JsonSchema;use serde::Deserialize;use ui::Context; #[derive(Copy, Clone, Debug, PartialEq, Eq, Deserialize, JsonSchema)]pub enum Object { Word { ignore_punctuation: bool }, Subword { ignore_punctuation: bool }, Sentence, Paragraph, Quotes, BackQuotes, AnyQuotes, DoubleQuotes, VerticalBars, Parentheses, SquareBrackets, CurlyBrackets, AngleBrackets, Argument, IndentObj { include_below: bool }, Tag, Method, Class, Comment,} #[derive(Clone, Deserialize, JsonSchema, PartialEq)]#[serde(rename_all = "camelCase")]struct Word { #[serde(default)] ignore_punctuation: bool,} #[derive(Clone, Deserialize, JsonSchema, PartialEq)]#[serde(rename_all = "camelCase")]struct Subword { #[serde(default)] ignore_punctuation: bool,}#[derive(Clone, Deserialize, JsonSchema, PartialEq)]#[serde(rename_all = "camelCase")]struct IndentObj { #[serde(default)] include_below: bool,} impl_actions!(vim, [Word, Subword, IndentObj]); actions!( vim, [ Sentence, Paragraph, Quotes, BackQuotes, AnyQuotes, DoubleQuotes, VerticalBars, Parentheses, SquareBrackets, CurlyBrackets, AngleBrackets, Argument, Tag, Method, Class, Comment ]); pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) { Vim::action( editor, cx, |vim, &Word { ignore_punctuation }: &Word, window, cx| { vim.object(Object::Word { ignore_punctuation }, window, cx) }, ); Vim::action( editor, cx, |vim, &Subword { ignore_punctuation }: &Subword, window, cx| { vim.object(Object::Subword { ignore_punctuation }, window, cx) }, ); Vim::action(editor, cx, |vim, _: &Tag, window, cx| { vim.object(Object::Tag, window, cx) }); Vim::action(editor, cx, |vim, _: &Sentence, window, cx| { vim.object(Object::Sentence, window, cx) }); Vim::action(editor, cx, |vim, _: &Paragraph, window, cx| { vim.object(Object::Paragraph, window, cx) }); Vim::action(editor, cx, |vim, _: &Quotes, window, cx| { vim.object(Object::Quotes, window, cx) }); Vim::action(editor, cx, |vim, _: &AnyQuotes, window, cx| { vim.object(Object::AnyQuotes, window, cx) }); Vim::action(editor, cx, |vim, _: &DoubleQuotes, window, cx| { vim.object(Object::DoubleQuotes, window, cx) }); Vim::action(editor, cx, |vim, _: &DoubleQuotes, window, cx| { vim.object(Object::DoubleQuotes, window, cx) }); Vim::action(editor, cx, |vim, _: &Parentheses, window, cx| { vim.object(Object::Parentheses, window, cx) }); Vim::action(editor, cx, |vim, _: &SquareBrackets, window, cx| { vim.object(Object::SquareBrackets, window, cx) }); Vim::action(editor, cx, |vim, _: &CurlyBrackets, window, cx| { vim.object(Object::CurlyBrackets, window, cx) }); Vim::action(editor, cx, |vim, _: &AngleBrackets, window, cx| { vim.object(Object::AngleBrackets, window, cx) }); Vim::action(editor, cx, |vim, _: &VerticalBars, window, cx| { vim.object(Object::VerticalBars, window, cx) }); Vim::action(editor, cx, |vim, _: &Argument, window, cx| { vim.object(Object::Argument, window, cx) }); Vim::action(editor, cx, |vim, _: &Method, window, cx| { vim.object(Object::Method, window, cx) }); Vim::action(editor, cx, |vim, _: &Class, window, cx| { vim.object(Object::Class, window, cx) }); Vim::action(editor, cx, |vim, _: &Comment, window, cx| { if !matches!(vim.active_operator(), Some(Operator::Object { .. })) { vim.push_operator(Operator::Object { around: true }, window, cx); } vim.object(Object::Comment, window, cx) }); Vim::action( editor, cx, |vim, &IndentObj { include_below }: &IndentObj, window, cx| { vim.object(Object::IndentObj { include_below }, window, cx) }, );} impl Vim { fn object(&mut self, object: Object, window: &mut Window, cx: &mut Context<Self>) { match self.mode { Mode::Normal => self.normal_object(object, window, cx), Mode::Visual | Mode::VisualLine | Mode::VisualBlock => { self.visual_object(object, window, cx) } Mode::Insert | Mode::Replace | Mode::HelixNormal => { // Shouldn't execute a text object in insert mode. Ignoring } } }} impl Object { pub fn is_multiline(self) -> bool { match self { Object::Word { .. } | Object::Subword { .. } | Object::Quotes | Object::BackQuotes | Object::AnyQuotes | Object::VerticalBars | Object::DoubleQuotes => false, Object::Sentence | Object::Paragraph | Object::Parentheses | Object::Tag | Object::AngleBrackets | Object::CurlyBrackets | Object::SquareBrackets | Object::Argument | Object::Method | Object::Class | Object::Comment | Object::IndentObj { .. } => true, } } pub fn always_expands_both_ways(self) -> bool { match self { Object::Word { .. } | Object::Subword { .. } | Object::Sentence | Object::Paragraph | Object::Argument | Object::IndentObj { .. } => false, Object::Quotes | Object::BackQuotes | Object::AnyQuotes | Object::DoubleQuotes | Object::VerticalBars | Object::Parentheses | Object::SquareBrackets | Object::Tag | Object::Method | Object::Class | Object::Comment | Object::CurlyBrackets | Object::AngleBrackets => true, } } pub fn target_visual_mode(self, current_mode: Mode, around: bool) -> Mode { match self { Object::Word { .. } | Object::Subword { .. } | Object::Sentence | Object::Quotes | Object::AnyQuotes | Object::BackQuotes | Object::DoubleQuotes => { if current_mode == Mode::VisualBlock { Mode::VisualBlock } else { Mode::Visual } } Object::Parentheses | Object::SquareBrackets | Object::CurlyBrackets | Object::AngleBrackets | Object::VerticalBars | Object::Tag | Object::Comment | Object::Argument | Object::IndentObj { .. } => Mode::Visual, Object::Method | Object::Class => { if around { Mode::VisualLine } else { Mode::Visual } } Object::Paragraph => Mode::VisualLine, } } pub fn range( self, map: &DisplaySnapshot, selection: Selection<DisplayPoint>, around: bool, ) -> Option<Range<DisplayPoint>> { let relative_to = selection.head(); match self { Object::Word { ignore_punctuation } => { if around { around_word(map, relative_to, ignore_punctuation) } else { in_word(map, relative_to, ignore_punctuation) } } Object::Subword { ignore_punctuation } => { if around { around_subword(map, relative_to, ignore_punctuation) } else { in_subword(map, relative_to, ignore_punctuation) } } Object::Sentence => sentence(map, relative_to, around), Object::Paragraph => paragraph(map, relative_to, around), Object::Quotes => { surrounding_markers(map, relative_to, around, self.is_multiline(), '\'', '\'') } Object::BackQuotes => { surrounding_markers(map, relative_to, around, self.is_multiline(), '`', '`') } Object::AnyQuotes => { let quote_types = ['\'', '"', '`']; // Types of quotes to handle let relative_offset = relative_to.to_offset(map, Bias::Left) as isize; // Find the closest matching quote range quote_types .iter() .flat_map(|"e| { // Get ranges for each quote type surrounding_markers( map, relative_to, around, self.is_multiline(), quote, quote, ) }) .min_by_key(|range| { // Calculate proximity of ranges to the cursor let start_distance = (relative_offset - range.start.to_offset(map, Bias::Left) as isize) .abs(); let end_distance = (relative_offset - range.end.to_offset(map, Bias::Right) as isize) .abs(); start_distance + end_distance }) } Object::DoubleQuotes => { surrounding_markers(map, relative_to, around, self.is_multiline(), '"', '"') } Object::VerticalBars => { surrounding_markers(map, relative_to, around, self.is_multiline(), '|', '|') } Object::Parentheses => { surrounding_markers(map, relative_to, around, self.is_multiline(), '(', ')') } Object::Tag => { let head = selection.head(); let range = selection.range(); surrounding_html_tag(map, head, range, around) } Object::SquareBrackets => { surrounding_markers(map, relative_to, around, self.is_multiline(), '[', ']') } Object::CurlyBrackets => { surrounding_markers(map, relative_to, around, self.is_multiline(), '{', '}') } Object::AngleBrackets => { surrounding_markers(map, relative_to, around, self.is_multiline(), '<', '>') } Object::Method => text_object( map, relative_to, if around { TextObject::AroundFunction } else { TextObject::InsideFunction }, ), Object::Comment => text_object( map, relative_to, if around { TextObject::AroundComment } else { TextObject::InsideComment }, ), Object::Class => text_object( map, relative_to, if around { TextObject::AroundClass } else { TextObject::InsideClass }, ), Object::Argument => argument(map, relative_to, around), Object::IndentObj { include_below } => indent(map, relative_to, around, include_below), } } pub fn expand_selection( self, map: &DisplaySnapshot, selection: &mut Selection<DisplayPoint>, around: bool, ) -> bool { if let Some(range) = self.range(map, selection.clone(), around) { selection.start = range.start; selection.end = range.end; true } else { false } }} /// Returns a range that surrounds the word `relative_to` is in.////// If `relative_to` is at the start of a word, return the word./// If `relative_to` is between words, return the space between.fn in_word( map: &DisplaySnapshot, relative_to: DisplayPoint, ignore_punctuation: bool,) -> Option<Range<DisplayPoint>> { // Use motion::right so that we consider the character under the cursor when looking for the start let classifier = map .buffer_snapshot .char_classifier_at(relative_to.to_point(map)) .ignore_punctuation(ignore_punctuation); let start = movement::find_preceding_boundary_display_point( map, right(map, relative_to, 1), movement::FindRange::SingleLine, |left, right| classifier.kind(left) != classifier.kind(right), ); let end = movement::find_boundary(map, relative_to, FindRange::SingleLine, |left, right| { classifier.kind(left) != classifier.kind(right) }); Some(start..end)} fn in_subword( map: &DisplaySnapshot, relative_to: DisplayPoint, ignore_punctuation: bool,) -> Option<Range<DisplayPoint>> { let offset = relative_to.to_offset(map, Bias::Left); // Use motion::right so that we consider the character under the cursor when looking for the start let classifier = map .buffer_snapshot .char_classifier_at(relative_to.to_point(map)) .ignore_punctuation(ignore_punctuation); let in_subword = map .buffer_chars_at(offset) .next() .map(|(c, _)| { if classifier.is_word('-') { !classifier.is_whitespace(c) && c != '_' && c != '-' } else { !classifier.is_whitespace(c) && c != '_' } }) .unwrap_or(false); let start = if in_subword { movement::find_preceding_boundary_display_point( map, right(map, relative_to, 1), movement::FindRange::SingleLine, |left, right| { let is_word_start = classifier.kind(left) != classifier.kind(right); let is_subword_start = classifier.is_word('-') && left == '-' && right != '-' || left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase(); is_word_start || is_subword_start }, ) } else { movement::find_boundary(map, relative_to, FindRange::SingleLine, |left, right| { let is_word_start = classifier.kind(left) != classifier.kind(right); let is_subword_start = classifier.is_word('-') && left == '-' && right != '-' || left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase(); is_word_start || is_subword_start }) }; let end = movement::find_boundary(map, relative_to, FindRange::SingleLine, |left, right| { let is_word_end = classifier.kind(left) != classifier.kind(right); let is_subword_end = classifier.is_word('-') && left != '-' && right == '-' || left != '_' && right == '_' || left.is_lowercase() && right.is_uppercase(); is_word_end || is_subword_end }); Some(start..end)} pub fn surrounding_html_tag( map: &DisplaySnapshot, head: DisplayPoint, range: Range<DisplayPoint>, around: bool,) -> Option<Range<DisplayPoint>> { fn read_tag(chars: impl Iterator<Item = char>) -> String { chars .take_while(|c| c.is_alphanumeric() || *c == ':' || *c == '-' || *c == '_' || *c == '.') .collect() } fn open_tag(mut chars: impl Iterator<Item = char>) -> Option<String> { if Some('<') != chars.next() { return None; } Some(read_tag(chars)) } fn close_tag(mut chars: impl Iterator<Item = char>) -> Option<String> { if (Some('<'), Some('/')) != (chars.next(), chars.next()) { return None; } Some(read_tag(chars)) } let snapshot = &map.buffer_snapshot;Lines 1–500 of 2104. 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use std::ops::Range; use crate::{ motion::right, state::{Mode, Operator}, Vim, }; use editor::{ display_map::{DisplaySnapshot, ToDisplayPoint}, movement::{self, FindRange}, Bias, DisplayPoint, Editor, }; use gpui::{actions, impl_actions, Window}; use itertools::Itertools; use language::{BufferSnapshot, CharKind, Point, Selection, TextObject, TreeSitterOptions}; use multi_buffer::MultiBufferRow; use schemars::JsonSchema; use serde::Deserialize; use ui::Context; #[derive(Copy, Clone, Debug, PartialEq, Eq, Deserialize, JsonSchema)] pub enum Object { Word { ignore_punctuation: bool }, Subword { ignore_punctuation: bool }, Sentence, Paragraph, Quotes, BackQuotes, AnyQuotes, DoubleQuotes, VerticalBars, Parentheses, SquareBrackets, CurlyBrackets, AngleBrackets, Argument, IndentObj { include_below: bool }, Tag, Method, Class, Comment, } #[derive(Clone, Deserialize, JsonSchema, PartialEq)] #[serde(rename_all = "camelCase")] struct Word { #[serde(default)] ignore_punctuation: bool, } #[derive(Clone, Deserialize, JsonSchema, PartialEq)] #[serde(rename_all = "camelCase")] struct Subword { #[serde(default)] ignore_punctuation: bool, } #[derive(Clone, Deserialize, JsonSchema, PartialEq)] #[serde(rename_all = "camelCase")] struct IndentObj { #[serde(default)] include_below: bool, } impl_actions!(vim, [Word, Subword, IndentObj]); actions!( vim, [ Sentence, Paragraph, Quotes, BackQuotes, AnyQuotes, DoubleQuotes, VerticalBars, Parentheses, SquareBrackets, CurlyBrackets, AngleBrackets, Argument, Tag, Method, Class, Comment ] ); pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) { Vim::action( editor, cx, |vim, &Word { ignore_punctuation }: &Word, window, cx| { vim.object(Object::Word { ignore_punctuation }, window, cx) }, ); Vim::action( editor, cx, |vim, &Subword { ignore_punctuation }: &Subword, window, cx| { vim.object(Object::Subword { ignore_punctuation }, window, cx) }, ); Vim::action(editor, cx, |vim, _: &Tag, window, cx| { vim.object(Object::Tag, window, cx) }); Vim::action(editor, cx, |vim, _: &Sentence, window, cx| { vim.object(Object::Sentence, window, cx) }); Vim::action(editor, cx, |vim, _: &Paragraph, window, cx| { vim.object(Object::Paragraph, window, cx) }); Vim::action(editor, cx, |vim, _: &Quotes, window, cx| { vim.object(Object::Quotes, window, cx) }); Vim::action(editor, cx, |vim, _: &AnyQuotes, window, cx| { vim.object(Object::AnyQuotes, window, cx) }); Vim::action(editor, cx, |vim, _: &DoubleQuotes, window, cx| { vim.object(Object::DoubleQuotes, window, cx) }); Vim::action(editor, cx, |vim, _: &DoubleQuotes, window, cx| { vim.object(Object::DoubleQuotes, window, cx) }); Vim::action(editor, cx, |vim, _: &Parentheses, window, cx| { vim.object(Object::Parentheses, window, cx) }); Vim::action(editor, cx, |vim, _: &SquareBrackets, window, cx| { vim.object(Object::SquareBrackets, window, cx) }); Vim::action(editor, cx, |vim, _: &CurlyBrackets, window, cx| { vim.object(Object::CurlyBrackets, window, cx) }); Vim::action(editor, cx, |vim, _: &AngleBrackets, window, cx| { vim.object(Object::AngleBrackets, window, cx) }); Vim::action(editor, cx, |vim, _: &VerticalBars, window, cx| { vim.object(Object::VerticalBars, window, cx) }); Vim::action(editor, cx, |vim, _: &Argument, window, cx| { vim.object(Object::Argument, window, cx) }); Vim::action(editor, cx, |vim, _: &Method, window, cx| { vim.object(Object::Method, window, cx) }); Vim::action(editor, cx, |vim, _: &Class, window, cx| { vim.object(Object::Class, window, cx) }); Vim::action(editor, cx, |vim, _: &Comment, window, cx| { if !matches!(vim.active_operator(), Some(Operator::Object { .. })) { vim.push_operator(Operator::Object { around: true }, window, cx); } vim.object(Object::Comment, window, cx) }); Vim::action( editor, cx, |vim, &IndentObj { include_below }: &IndentObj, window, cx| { vim.object(Object::IndentObj { include_below }, window, cx) }, ); } impl Vim { fn object(&mut self, object: Object, window: &mut Window, cx: &mut Context<Self>) { match self.mode { Mode::Normal => self.normal_object(object, window, cx), Mode::Visual | Mode::VisualLine | Mode::VisualBlock => { self.visual_object(object, window, cx) } Mode::Insert | Mode::Replace | Mode::HelixNormal => { // Shouldn't execute a text object in insert mode. Ignoring } } } } impl Object { pub fn is_multiline(self) -> bool { match self { Object::Word { .. } | Object::Subword { .. } | Object::Quotes | Object::BackQuotes | Object::AnyQuotes | Object::VerticalBars | Object::DoubleQuotes => false, Object::Sentence | Object::Paragraph | Object::Parentheses | Object::Tag | Object::AngleBrackets | Object::CurlyBrackets | Object::SquareBrackets | Object::Argument | Object::Method | Object::Class | Object::Comment | Object::IndentObj { .. } => true, } } pub fn always_expands_both_ways(self) -> bool { match self { Object::Word { .. } | Object::Subword { .. } | Object::Sentence | Object::Paragraph | Object::Argument | Object::IndentObj { .. } => false, Object::Quotes | Object::BackQuotes | Object::AnyQuotes | Object::DoubleQuotes | Object::VerticalBars | Object::Parentheses | Object::SquareBrackets | Object::Tag | Object::Method | Object::Class | Object::Comment | Object::CurlyBrackets | Object::AngleBrackets => true, } } pub fn target_visual_mode(self, current_mode: Mode, around: bool) -> Mode { match self { Object::Word { .. } | Object::Subword { .. } | Object::Sentence | Object::Quotes | Object::AnyQuotes | Object::BackQuotes | Object::DoubleQuotes => { if current_mode == Mode::VisualBlock { Mode::VisualBlock } else { Mode::Visual } } Object::Parentheses | Object::SquareBrackets | Object::CurlyBrackets | Object::AngleBrackets | Object::VerticalBars | Object::Tag | Object::Comment | Object::Argument | Object::IndentObj { .. } => Mode::Visual, Object::Method | Object::Class => { if around { Mode::VisualLine } else { Mode::Visual } } Object::Paragraph => Mode::VisualLine, } } pub fn range( self, map: &DisplaySnapshot, selection: Selection<DisplayPoint>, around: bool, ) -> Option<Range<DisplayPoint>> { let relative_to = selection.head(); match self { Object::Word { ignore_punctuation } => { if around { around_word(map, relative_to, ignore_punctuation) } else { in_word(map, relative_to, ignore_punctuation) } } Object::Subword { ignore_punctuation } => { if around { around_subword(map, relative_to, ignore_punctuation) } else { in_subword(map, relative_to, ignore_punctuation) } } Object::Sentence => sentence(map, relative_to, around), Object::Paragraph => paragraph(map, relative_to, around), Object::Quotes => { surrounding_markers(map, relative_to, around, self.is_multiline(), '\'', '\'') } Object::BackQuotes => { surrounding_markers(map, relative_to, around, self.is_multiline(), '`', '`') } Object::AnyQuotes => { let quote_types = ['\'', '"', '`']; // Types of quotes to handle let relative_offset = relative_to.to_offset(map, Bias::Left) as isize; // Find the closest matching quote range quote_types .iter() .flat_map(|"e| { // Get ranges for each quote type surrounding_markers( map, relative_to, around, self.is_multiline(), quote, quote, ) }) .min_by_key(|range| { // Calculate proximity of ranges to the cursor let start_distance = (relative_offset - range.start.to_offset(map, Bias::Left) as isize) .abs(); let end_distance = (relative_offset - range.end.to_offset(map, Bias::Right) as isize) .abs(); start_distance + end_distance }) } Object::DoubleQuotes => { surrounding_markers(map, relative_to, around, self.is_multiline(), '"', '"') } Object::VerticalBars => { surrounding_markers(map, relative_to, around, self.is_multiline(), '|', '|') } Object::Parentheses => { surrounding_markers(map, relative_to, around, self.is_multiline(), '(', ')') } Object::Tag => { let head = selection.head(); let range = selection.range(); surrounding_html_tag(map, head, range, around) } Object::SquareBrackets => { surrounding_markers(map, relative_to, around, self.is_multiline(), '[', ']') } Object::CurlyBrackets => { surrounding_markers(map, relative_to, around, self.is_multiline(), '{', '}') } Object::AngleBrackets => { surrounding_markers(map, relative_to, around, self.is_multiline(), '<', '>') } Object::Method => text_object( map, relative_to, if around { TextObject::AroundFunction } else { TextObject::InsideFunction }, ), Object::Comment => text_object( map, relative_to, if around { TextObject::AroundComment } else { TextObject::InsideComment }, ), Object::Class => text_object( map, relative_to, if around { TextObject::AroundClass } else { TextObject::InsideClass }, ), Object::Argument => argument(map, relative_to, around), Object::IndentObj { include_below } => indent(map, relative_to, around, include_below), } } pub fn expand_selection( self, map: &DisplaySnapshot, selection: &mut Selection<DisplayPoint>, around: bool, ) -> bool { if let Some(range) = self.range(map, selection.clone(), around) { selection.start = range.start; selection.end = range.end; true } else { false } } } /// Returns a range that surrounds the word `relative_to` is in. /// /// If `relative_to` is at the start of a word, return the word. /// If `relative_to` is between words, return the space between. fn in_word( map: &DisplaySnapshot, relative_to: DisplayPoint, ignore_punctuation: bool, ) -> Option<Range<DisplayPoint>> { // Use motion::right so that we consider the character under the cursor when looking for the start let classifier = map .buffer_snapshot .char_classifier_at(relative_to.to_point(map)) .ignore_punctuation(ignore_punctuation); let start = movement::find_preceding_boundary_display_point( map, right(map, relative_to, 1), movement::FindRange::SingleLine, |left, right| classifier.kind(left) != classifier.kind(right), ); let end = movement::find_boundary(map, relative_to, FindRange::SingleLine, |left, right| { classifier.kind(left) != classifier.kind(right) }); Some(start..end) } fn in_subword( map: &DisplaySnapshot, relative_to: DisplayPoint, ignore_punctuation: bool, ) -> Option<Range<DisplayPoint>> { let offset = relative_to.to_offset(map, Bias::Left); // Use motion::right so that we consider the character under the cursor when looking for the start let classifier = map .buffer_snapshot .char_classifier_at(relative_to.to_point(map)) .ignore_punctuation(ignore_punctuation); let in_subword = map .buffer_chars_at(offset) .next() .map(|(c, _)| { if classifier.is_word('-') { !classifier.is_whitespace(c) && c != '_' && c != '-' } else { !classifier.is_whitespace(c) && c != '_' } }) .unwrap_or(false); let start = if in_subword { movement::find_preceding_boundary_display_point( map, right(map, relative_to, 1), movement::FindRange::SingleLine, |left, right| { let is_word_start = classifier.kind(left) != classifier.kind(right); let is_subword_start = classifier.is_word('-') && left == '-' && right != '-' || left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase(); is_word_start || is_subword_start }, ) } else { movement::find_boundary(map, relative_to, FindRange::SingleLine, |left, right| { let is_word_start = classifier.kind(left) != classifier.kind(right); let is_subword_start = classifier.is_word('-') && left == '-' && right != '-' || left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase(); is_word_start || is_subword_start }) }; let end = movement::find_boundary(map, relative_to, FindRange::SingleLine, |left, right| { let is_word_end = classifier.kind(left) != classifier.kind(right); let is_subword_end = classifier.is_word('-') && left != '-' && right == '-' || left != '_' && right == '_' || left.is_lowercase() && right.is_uppercase(); is_word_end || is_subword_end }); Some(start..end) } pub fn surrounding_html_tag( map: &DisplaySnapshot, head: DisplayPoint, range: Range<DisplayPoint>, around: bool, ) -> Option<Range<DisplayPoint>> { fn read_tag(chars: impl Iterator<Item = char>) -> String { chars .take_while(|c| c.is_alphanumeric() || *c == ':' || *c == '-' || *c == '_' || *c == '.') .collect() } fn open_tag(mut chars: impl Iterator<Item = char>) -> Option<String> { if Some('<') != chars.next() { return None; } Some(read_tag(chars)) } fn close_tag(mut chars: impl Iterator<Item = char>) -> Option<String> { if (Some('<'), Some('/')) != (chars.next(), chars.next()) { return None; } Some(read_tag(chars)) } let snapshot = &map.buffer_snapshot;