120 lines
3.8 KiB
Rust
120 lines
3.8 KiB
Rust
//! This modules defines type to represent changes to the source code, that flow
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//! from the server to the client.
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//!
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//! It can be viewed as a dual for `AnalysisChange`.
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use ra_db::RelativePathBuf;
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use ra_text_edit::TextEdit;
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use crate::{FileId, FilePosition, SourceRootId, TextUnit};
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#[derive(Debug)]
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pub struct SourceChange {
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pub label: String,
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pub source_file_edits: Vec<SourceFileEdit>,
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pub file_system_edits: Vec<FileSystemEdit>,
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pub cursor_position: Option<FilePosition>,
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}
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impl SourceChange {
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/// Creates a new SourceChange with the given label
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/// from the edits.
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pub(crate) fn from_edits<L: Into<String>>(
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label: L,
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source_file_edits: Vec<SourceFileEdit>,
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file_system_edits: Vec<FileSystemEdit>,
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) -> Self {
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SourceChange {
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label: label.into(),
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source_file_edits,
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file_system_edits,
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cursor_position: None,
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}
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}
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/// Creates a new SourceChange with the given label,
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/// containing only the given `SourceFileEdits`.
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pub(crate) fn source_file_edits<L: Into<String>>(label: L, edits: Vec<SourceFileEdit>) -> Self {
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SourceChange {
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label: label.into(),
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source_file_edits: edits,
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file_system_edits: vec![],
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cursor_position: None,
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}
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}
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/// Creates a new SourceChange with the given label,
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/// containing only the given `FileSystemEdits`.
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pub(crate) fn file_system_edits<L: Into<String>>(label: L, edits: Vec<FileSystemEdit>) -> Self {
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SourceChange {
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label: label.into(),
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source_file_edits: vec![],
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file_system_edits: edits,
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cursor_position: None,
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}
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}
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/// Creates a new SourceChange with the given label,
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/// containing only a single `SourceFileEdit`.
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pub(crate) fn source_file_edit<L: Into<String>>(label: L, edit: SourceFileEdit) -> Self {
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SourceChange::source_file_edits(label, vec![edit])
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}
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/// Creates a new SourceChange with the given label
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/// from the given `FileId` and `TextEdit`
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pub(crate) fn source_file_edit_from<L: Into<String>>(
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label: L,
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file_id: FileId,
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edit: TextEdit,
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) -> Self {
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SourceChange::source_file_edit(label, SourceFileEdit { file_id, edit })
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}
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/// Creates a new SourceChange with the given label
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/// from the given `FileId` and `TextEdit`
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pub(crate) fn file_system_edit<L: Into<String>>(label: L, edit: FileSystemEdit) -> Self {
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SourceChange::file_system_edits(label, vec![edit])
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}
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/// Sets the cursor position to the given `FilePosition`
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pub(crate) fn with_cursor(mut self, cursor_position: FilePosition) -> Self {
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self.cursor_position = Some(cursor_position);
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self
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}
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/// Sets the cursor position to the given `FilePosition`
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pub(crate) fn with_cursor_opt(mut self, cursor_position: Option<FilePosition>) -> Self {
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self.cursor_position = cursor_position;
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self
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}
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}
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#[derive(Debug)]
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pub struct SourceFileEdit {
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pub file_id: FileId,
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pub edit: TextEdit,
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}
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#[derive(Debug)]
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pub enum FileSystemEdit {
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CreateFile { source_root: SourceRootId, path: RelativePathBuf },
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MoveFile { src: FileId, dst_source_root: SourceRootId, dst_path: RelativePathBuf },
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}
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pub(crate) struct SingleFileChange {
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pub label: String,
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pub edit: TextEdit,
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pub cursor_position: Option<TextUnit>,
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}
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impl SingleFileChange {
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pub(crate) fn into_source_change(self, file_id: FileId) -> SourceChange {
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SourceChange {
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label: self.label,
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source_file_edits: vec![SourceFileEdit { file_id, edit: self.edit }],
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file_system_edits: Vec::new(),
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cursor_position: self.cursor_position.map(|offset| FilePosition { file_id, offset }),
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}
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}
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}
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