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add Range::{from_node,into_byte_range}
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@ -14,6 +14,7 @@
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use helix_stdx::rope::{self, RopeSliceExt};
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use smallvec::{smallvec, SmallVec};
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use std::borrow::Cow;
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use tree_sitter::Node;
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/// A single selection range.
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///
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@ -73,6 +74,12 @@ pub fn point(head: usize) -> Self {
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Self::new(head, head)
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}
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pub fn from_node(node: Node, text: RopeSlice, direction: Direction) -> Self {
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let from = text.byte_to_char(node.start_byte());
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let to = text.byte_to_char(node.end_byte());
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Range::new(from, to).with_direction(direction)
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}
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/// Start of the range.
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#[inline]
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#[must_use]
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@ -376,6 +383,12 @@ pub fn is_single_grapheme(&self, doc: RopeSlice) -> bool {
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let second = graphemes.next();
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first.is_some() && second.is_none()
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}
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/// Converts this char range into an in order byte range, discarding
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/// direction.
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pub fn into_byte_range(&self, text: RopeSlice) -> (usize, usize) {
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(text.char_to_byte(self.from()), text.char_to_byte(self.to()))
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}
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}
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impl From<(usize, usize)> for Range {
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@ -783,7 +796,9 @@ pub fn split_on_newline(text: RopeSlice, selection: &Selection) -> Selection {
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let mut start = sel_start;
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for line in sel.slice(text).lines() {
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let Some(line_ending) = get_line_ending(&line) else { break };
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let Some(line_ending) = get_line_ending(&line) else {
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break;
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};
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let line_end = start + line.len_chars();
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// TODO: retain range direction
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result.push(Range::new(start, line_end - line_ending.len_chars()));
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