43 lines
1.5 KiB
Rust
43 lines
1.5 KiB
Rust
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//! Conversion lsp_types types to rust-analyzer specific ones.
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use ra_db::{FileId, FilePosition, FileRange};
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use ra_ide::{LineCol, LineIndex};
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use ra_syntax::{TextRange, TextSize};
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use crate::{world::WorldSnapshot, Result};
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pub(crate) fn offset(line_index: &LineIndex, position: lsp_types::Position) -> TextSize {
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let line_col = LineCol { line: position.line as u32, col_utf16: position.character as u32 };
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line_index.offset(line_col)
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}
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pub(crate) fn text_range(line_index: &LineIndex, range: lsp_types::Range) -> TextRange {
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let start = offset(line_index, range.start);
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let end = offset(line_index, range.end);
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TextRange::new(start, end)
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}
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pub(crate) fn file_id(world: &WorldSnapshot, url: &lsp_types::Url) -> Result<FileId> {
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world.uri_to_file_id(url)
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}
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pub(crate) fn file_position(
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world: &WorldSnapshot,
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tdpp: lsp_types::TextDocumentPositionParams,
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) -> Result<FilePosition> {
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let file_id = file_id(world, &tdpp.text_document.uri)?;
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let line_index = world.analysis().file_line_index(file_id)?;
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let offset = offset(&*line_index, tdpp.position);
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Ok(FilePosition { file_id, offset })
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}
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pub(crate) fn file_range(
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world: &WorldSnapshot,
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text_document_identifier: lsp_types::TextDocumentIdentifier,
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range: lsp_types::Range,
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) -> Result<FileRange> {
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let file_id = file_id(world, &text_document_identifier.uri)?;
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let line_index = world.analysis().file_line_index(file_id)?;
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let range = text_range(&line_index, range);
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Ok(FileRange { file_id, range })
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}
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