move source change to a dedicated file

2 files changed, 104 insertions, 95 deletions

diff --git a/crates/ra_ide_api/src/lib.rs b/crates/ra_ide_api/src/lib.rs
index b2a1d185b..6b8aa7a8e 100644
--- a/crates/ra_ide_api/src/lib.rs
+++ b/crates/ra_ide_api/src/lib.rs
@@ -14,6 +14,7 @@ mod db;
 pub mod mock_analysis;
 mod symbol_index;
 mod change;
+mod source_change;
 mod feature_flags;
 
 mod status;
@@ -54,8 +55,6 @@ use ra_db::{
     CheckCanceled, FileLoader, SourceDatabase,
 };
 use ra_syntax::{SourceFile, TextRange, TextUnit};
-use ra_text_edit::TextEdit;
-use relative_path::RelativePathBuf;
 
 use crate::{db::LineIndexDatabase, symbol_index::FileSymbol};
 
@@ -73,6 +72,7 @@ pub use crate::{
     line_index_utils::translate_offset_with_edit,
     references::{ReferenceSearchResult, SearchScope},
     runnables::{Runnable, RunnableKind},
+    source_change::{FileSystemEdit, SourceChange, SourceFileEdit},
     syntax_highlighting::HighlightedRange,
 };
 
@@ -84,99 +84,6 @@ pub use ra_db::{
 pub type Cancelable<T> = Result<T, Canceled>;
 
 #[derive(Debug)]
-pub struct SourceChange {
-    pub label: String,
-    pub source_file_edits: Vec<SourceFileEdit>,
-    pub file_system_edits: Vec<FileSystemEdit>,
-    pub cursor_position: Option<FilePosition>,
-}
-
-impl SourceChange {
-    /// Creates a new SourceChange with the given label
-    /// from the edits.
-    pub(crate) fn from_edits<L: Into<String>>(
-        label: L,
-        source_file_edits: Vec<SourceFileEdit>,
-        file_system_edits: Vec<FileSystemEdit>,
-    ) -> Self {
-        SourceChange {
-            label: label.into(),
-            source_file_edits,
-            file_system_edits,
-            cursor_position: None,
-        }
-    }
-
-    /// Creates a new SourceChange with the given label,
-    /// containing only the given `SourceFileEdits`.
-    pub(crate) fn source_file_edits<L: Into<String>>(label: L, edits: Vec<SourceFileEdit>) -> Self {
-        SourceChange {
-            label: label.into(),
-            source_file_edits: edits,
-            file_system_edits: vec![],
-            cursor_position: None,
-        }
-    }
-
-    /// Creates a new SourceChange with the given label,
-    /// containing only the given `FileSystemEdits`.
-    pub(crate) fn file_system_edits<L: Into<String>>(label: L, edits: Vec<FileSystemEdit>) -> Self {
-        SourceChange {
-            label: label.into(),
-            source_file_edits: vec![],
-            file_system_edits: edits,
-            cursor_position: None,
-        }
-    }
-
-    /// Creates a new SourceChange with the given label,
-    /// containing only a single `SourceFileEdit`.
-    pub(crate) fn source_file_edit<L: Into<String>>(label: L, edit: SourceFileEdit) -> Self {
-        SourceChange::source_file_edits(label, vec![edit])
-    }
-
-    /// Creates a new SourceChange with the given label
-    /// from the given `FileId` and `TextEdit`
-    pub(crate) fn source_file_edit_from<L: Into<String>>(
-        label: L,
-        file_id: FileId,
-        edit: TextEdit,
-    ) -> Self {
-        SourceChange::source_file_edit(label, SourceFileEdit { file_id, edit })
-    }
-
-    /// Creates a new SourceChange with the given label
-    /// from the given `FileId` and `TextEdit`
-    pub(crate) fn file_system_edit<L: Into<String>>(label: L, edit: FileSystemEdit) -> Self {
-        SourceChange::file_system_edits(label, vec![edit])
-    }
-
-    /// Sets the cursor position to the given `FilePosition`
-    pub(crate) fn with_cursor(mut self, cursor_position: FilePosition) -> Self {
-        self.cursor_position = Some(cursor_position);
-        self
-    }
-
-    /// Sets the cursor position to the given `FilePosition`
-    pub(crate) fn with_cursor_opt(mut self, cursor_position: Option<FilePosition>) -> Self {
-        self.cursor_position = cursor_position;
-        self
-    }
-}
-
-#[derive(Debug)]
-pub struct SourceFileEdit {
-    pub file_id: FileId,
-    pub edit: TextEdit,
-}
-
-#[derive(Debug)]
-pub enum FileSystemEdit {
-    CreateFile { source_root: SourceRootId, path: RelativePathBuf },
-    MoveFile { src: FileId, dst_source_root: SourceRootId, dst_path: RelativePathBuf },
-}
-
-#[derive(Debug)]
 pub struct Diagnostic {
     pub message: String,
     pub range: TextRange,
diff --git a/crates/ra_ide_api/src/source_change.rs b/crates/ra_ide_api/src/source_change.rs
new file mode 100644
index 000000000..80e8821b0
--- /dev/null
+++ b/crates/ra_ide_api/src/source_change.rs
@@ -0,0 +1,102 @@
+//! This modules defines type to represent changes to the source code, that flow
+//! from the server to the client.
+//!
+//! It can be viewed as a dual for `AnalysisChange`.
+
+use ra_text_edit::TextEdit;
+use relative_path::RelativePathBuf;
+
+use crate::{FileId, FilePosition, SourceRootId};
+
+#[derive(Debug)]
+pub struct SourceChange {
+    pub label: String,
+    pub source_file_edits: Vec<SourceFileEdit>,
+    pub file_system_edits: Vec<FileSystemEdit>,
+    pub cursor_position: Option<FilePosition>,
+}
+
+impl SourceChange {
+    /// Creates a new SourceChange with the given label
+    /// from the edits.
+    pub(crate) fn from_edits<L: Into<String>>(
+        label: L,
+        source_file_edits: Vec<SourceFileEdit>,
+        file_system_edits: Vec<FileSystemEdit>,
+    ) -> Self {
+        SourceChange {
+            label: label.into(),
+            source_file_edits,
+            file_system_edits,
+            cursor_position: None,
+        }
+    }
+
+    /// Creates a new SourceChange with the given label,
+    /// containing only the given `SourceFileEdits`.
+    pub(crate) fn source_file_edits<L: Into<String>>(label: L, edits: Vec<SourceFileEdit>) -> Self {
+        SourceChange {
+            label: label.into(),
+            source_file_edits: edits,
+            file_system_edits: vec![],
+            cursor_position: None,
+        }
+    }
+
+    /// Creates a new SourceChange with the given label,
+    /// containing only the given `FileSystemEdits`.
+    pub(crate) fn file_system_edits<L: Into<String>>(label: L, edits: Vec<FileSystemEdit>) -> Self {
+        SourceChange {
+            label: label.into(),
+            source_file_edits: vec![],
+            file_system_edits: edits,
+            cursor_position: None,
+        }
+    }
+
+    /// Creates a new SourceChange with the given label,
+    /// containing only a single `SourceFileEdit`.
+    pub(crate) fn source_file_edit<L: Into<String>>(label: L, edit: SourceFileEdit) -> Self {
+        SourceChange::source_file_edits(label, vec![edit])
+    }
+
+    /// Creates a new SourceChange with the given label
+    /// from the given `FileId` and `TextEdit`
+    pub(crate) fn source_file_edit_from<L: Into<String>>(
+        label: L,
+        file_id: FileId,
+        edit: TextEdit,
+    ) -> Self {
+        SourceChange::source_file_edit(label, SourceFileEdit { file_id, edit })
+    }
+
+    /// Creates a new SourceChange with the given label
+    /// from the given `FileId` and `TextEdit`
+    pub(crate) fn file_system_edit<L: Into<String>>(label: L, edit: FileSystemEdit) -> Self {
+        SourceChange::file_system_edits(label, vec![edit])
+    }
+
+    /// Sets the cursor position to the given `FilePosition`
+    pub(crate) fn with_cursor(mut self, cursor_position: FilePosition) -> Self {
+        self.cursor_position = Some(cursor_position);
+        self
+    }
+
+    /// Sets the cursor position to the given `FilePosition`
+    pub(crate) fn with_cursor_opt(mut self, cursor_position: Option<FilePosition>) -> Self {
+        self.cursor_position = cursor_position;
+        self
+    }
+}
+
+#[derive(Debug)]
+pub struct SourceFileEdit {
+    pub file_id: FileId,
+    pub edit: TextEdit,
+}
+
+#[derive(Debug)]
+pub enum FileSystemEdit {
+    CreateFile { source_root: SourceRootId, path: RelativePathBuf },
+    MoveFile { src: FileId, dst_source_root: SourceRootId, dst_path: RelativePathBuf },
+}