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//! Conversion lsp_types types to rust-analyzer specific ones.
use std::convert::TryFrom;
use ide::{AssistKind, LineCol, LineIndex};
use ide_db::base_db::{FileId, FilePosition, FileRange};
use syntax::{TextRange, TextSize};
use vfs::AbsPathBuf;
use crate::{global_state::GlobalStateSnapshot, Result};
pub(crate) fn abs_path(url: &lsp_types::Url) -> Result<AbsPathBuf> {
let path = url.to_file_path().map_err(|()| "url is not a file")?;
Ok(AbsPathBuf::try_from(path).unwrap())
}
pub(crate) fn vfs_path(url: &lsp_types::Url) -> Result<vfs::VfsPath> {
abs_path(url).map(vfs::VfsPath::from)
}
pub(crate) fn offset(line_index: &LineIndex, position: lsp_types::Position) -> TextSize {
let line_col = LineCol { line: position.line as u32, col_utf16: position.character as u32 };
line_index.offset(line_col)
}
pub(crate) fn text_range(line_index: &LineIndex, range: lsp_types::Range) -> TextRange {
let start = offset(line_index, range.start);
let end = offset(line_index, range.end);
TextRange::new(start, end)
}
pub(crate) fn file_id(world: &GlobalStateSnapshot, url: &lsp_types::Url) -> Result<FileId> {
world.url_to_file_id(url)
}
pub(crate) fn file_position(
world: &GlobalStateSnapshot,
tdpp: lsp_types::TextDocumentPositionParams,
) -> Result<FilePosition> {
let file_id = file_id(world, &tdpp.text_document.uri)?;
let line_index = world.analysis.file_line_index(file_id)?;
let offset = offset(&*line_index, tdpp.position);
Ok(FilePosition { file_id, offset })
}
pub(crate) fn file_range(
world: &GlobalStateSnapshot,
text_document_identifier: lsp_types::TextDocumentIdentifier,
range: lsp_types::Range,
) -> Result<FileRange> {
let file_id = file_id(world, &text_document_identifier.uri)?;
let line_index = world.analysis.file_line_index(file_id)?;
let range = text_range(&line_index, range);
Ok(FileRange { file_id, range })
}
pub(crate) fn assist_kind(kind: lsp_types::CodeActionKind) -> Option<AssistKind> {
let assist_kind = match &kind {
k if k == &lsp_types::CodeActionKind::EMPTY => AssistKind::None,
k if k == &lsp_types::CodeActionKind::QUICKFIX => AssistKind::QuickFix,
k if k == &lsp_types::CodeActionKind::REFACTOR => AssistKind::Refactor,
k if k == &lsp_types::CodeActionKind::REFACTOR_EXTRACT => AssistKind::RefactorExtract,
k if k == &lsp_types::CodeActionKind::REFACTOR_INLINE => AssistKind::RefactorInline,
k if k == &lsp_types::CodeActionKind::REFACTOR_REWRITE => AssistKind::RefactorRewrite,
_ => return None,
};
Some(assist_kind)
}
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