Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/src/vs/editor/contrib/find/replaceAllCommand.ts

@@ -0,0 +1,72 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { Range } from 'vs/editor/common/core/range';
+import { Selection } from 'vs/editor/common/core/selection';
+import { ICommand, IEditOperationBuilder, ICursorStateComputerData } from 'vs/editor/common/editorCommon';
+import { ITextModel } from 'vs/editor/common/model';
+
+interface IEditOperation {
+	range: Range;
+	text: string;
+}
+
+export class ReplaceAllCommand implements ICommand {
+
+	private readonly _editorSelection: Selection;
+	private _trackedEditorSelectionId: string | null;
+	private readonly _ranges: Range[];
+	private readonly _replaceStrings: string[];
+
+	constructor(editorSelection: Selection, ranges: Range[], replaceStrings: string[]) {
+		this._editorSelection = editorSelection;
+		this._ranges = ranges;
+		this._replaceStrings = replaceStrings;
+		this._trackedEditorSelectionId = null;
+	}
+
+	public getEditOperations(model: ITextModel, builder: IEditOperationBuilder): void {
+		if (this._ranges.length > 0) {
+			// Collect all edit operations
+			let ops: IEditOperation[] = [];
+			for (let i = 0; i < this._ranges.length; i++) {
+				ops.push({
+					range: this._ranges[i],
+					text: this._replaceStrings[i]
+				});
+			}
+
+			// Sort them in ascending order by range starts
+			ops.sort((o1, o2) => {
+				return Range.compareRangesUsingStarts(o1.range, o2.range);
+			});
+
+			// Merge operations that touch each other
+			let resultOps: IEditOperation[] = [];
+			let previousOp = ops[0];
+			for (let i = 1; i < ops.length; i++) {
+				if (previousOp.range.endLineNumber === ops[i].range.startLineNumber && previousOp.range.endColumn === ops[i].range.startColumn) {
+					// These operations are one after another and can be merged
+					previousOp.range = previousOp.range.plusRange(ops[i].range);
+					previousOp.text = previousOp.text + ops[i].text;
+				} else {
+					resultOps.push(previousOp);
+					previousOp = ops[i];
+				}
+			}
+			resultOps.push(previousOp);
+
+			for (const op of resultOps) {
+				builder.addEditOperation(op.range, op.text);
+			}
+		}
+
+		this._trackedEditorSelectionId = builder.trackSelection(this._editorSelection);
+	}
+
+	public computeCursorState(model: ITextModel, helper: ICursorStateComputerData): Selection {
+		return helper.getTrackedSelection(this._trackedEditorSelectionId!);
+	}
+}