TypeScript range.Range类代码示例

	private static _enter(config: CursorConfiguration, model: ITokenizedModel, keepPosition: boolean, range: Range): ICommand {
		let r = LanguageConfigurationRegistry.getEnterAction(model, range);
		if (r) {
			let enterAction = r.enterAction;
			let indentation = r.indentation;

			if (enterAction.indentAction === IndentAction.None) {
				// Nothing special
				return TypeOperations._typeCommand(range, '\n' + config.normalizeIndentation(indentation + enterAction.appendText), keepPosition);

			} else if (enterAction.indentAction === IndentAction.Indent) {
				// Indent once
				return TypeOperations._typeCommand(range, '\n' + config.normalizeIndentation(indentation + enterAction.appendText), keepPosition);

			} else if (enterAction.indentAction === IndentAction.IndentOutdent) {
				// Ultra special
				let normalIndent = config.normalizeIndentation(indentation);
				let increasedIndent = config.normalizeIndentation(indentation + enterAction.appendText);

				let typeText = '\n' + increasedIndent + '\n' + normalIndent;

				if (keepPosition) {
					return new ReplaceCommandWithoutChangingPosition(range, typeText, true);
				} else {
					return new ReplaceCommandWithOffsetCursorState(range, typeText, -1, increasedIndent.length - normalIndent.length, true);
				}
			} else if (enterAction.indentAction === IndentAction.Outdent) {
				let actualIndentation = TypeOperations.unshiftIndent(config, indentation);
				return TypeOperations._typeCommand(range, '\n' + config.normalizeIndentation(actualIndentation + enterAction.appendText), keepPosition);
			}
		}

		// no enter rules applied, we should check indentation rules then.
		let ir = LanguageConfigurationRegistry.getIndentForEnter(model, range, {
			unshiftIndent: (indent) => {
				return TypeOperations.unshiftIndent(config, indent);
			},
			shiftIndent: (indent) => {
				return TypeOperations.shiftIndent(config, indent);
			},
			normalizeIndentation: (indent) => {
				return config.normalizeIndentation(indent);
			}
		}, config.autoIndent);

		let lineText = model.getLineContent(range.startLineNumber);
		let indentation = strings.getLeadingWhitespace(lineText).substring(0, range.startColumn - 1);

		if (ir) {
			let oldEndViewColumn = CursorColumns.visibleColumnFromColumn2(config, model, range.getEndPosition());
			let oldEndColumn = range.endColumn;

			let beforeText = '\n';
			if (indentation !== config.normalizeIndentation(ir.beforeEnter)) {
				beforeText = config.normalizeIndentation(ir.beforeEnter) + lineText.substring(indentation.length, range.startColumn - 1) + '\n';
				range = new Range(range.startLineNumber, 1, range.endLineNumber, range.endColumn);
			}

			let newLineContent = model.getLineContent(range.endLineNumber);
			let firstNonWhitespace = strings.firstNonWhitespaceIndex(newLineContent);
			if (firstNonWhitespace >= 0) {
				range = range.setEndPosition(range.endLineNumber, Math.max(range.endColumn, firstNonWhitespace + 1));
			} else {
				range = range.setEndPosition(range.endLineNumber, model.getLineMaxColumn(range.endLineNumber));
			}

			if (keepPosition) {
				return new ReplaceCommandWithoutChangingPosition(range, beforeText + config.normalizeIndentation(ir.afterEnter), true);
			} else {
				let offset = 0;
				if (oldEndColumn <= firstNonWhitespace + 1) {
					if (!config.insertSpaces) {
						oldEndViewColumn = Math.ceil(oldEndViewColumn / config.tabSize);
					}
					offset = Math.min(oldEndViewColumn + 1 - config.normalizeIndentation(ir.afterEnter).length - 1, 0);
				}
				return new ReplaceCommandWithOffsetCursorState(range, beforeText + config.normalizeIndentation(ir.afterEnter), 0, offset, true);
			}

		} else {
			return TypeOperations._typeCommand(range, '\n' + config.normalizeIndentation(indentation), keepPosition);
		}
	}

			ops.sort((o1, o2) => {
				return Range.compareRangesUsingStarts(o1.range, o2.range);
			});

	private symbolEntry(name: string, type: string, description: string, range: IRange, highlights: IHighlight[], editor: ICodeEditor, decorator: IDecorator): SymbolEntry {
		return new SymbolEntry(name, type, description, Range.lift(range), highlights, editor, decorator);
	}

	private toQuickOpenEntries(editor: ICommonCodeEditor, flattened: SymbolInformation[], searchValue: string): SymbolEntry[] {
		const controller = this.getController(editor);

		let results: SymbolEntry[] = [];

		// Convert to Entries
		let normalizedSearchValue = searchValue;
		if (searchValue.indexOf(SCOPE_PREFIX) === 0) {
			normalizedSearchValue = normalizedSearchValue.substr(SCOPE_PREFIX.length);
		}

		for (let i = 0; i < flattened.length; i++) {
			let element = flattened[i];
			let label = strings.trim(element.name);

			// Check for meatch
			let highlights = matchesFuzzy(normalizedSearchValue, label);
			if (highlights) {

				// Show parent scope as description
				let description: string = null;
				if (element.containerName) {
					description = element.containerName;
				}

				// Add
				results.push(new SymbolEntry(label, symbolKindToCssClass(element.kind), description, Range.lift(element.location.range), highlights, editor, controller));
			}
		}

		// Sort properly if actually searching
		if (searchValue) {
			if (searchValue.indexOf(SCOPE_PREFIX) === 0) {
				results = results.sort(this.sortScoped.bind(this, searchValue.toLowerCase()));
			} else {
				results = results.sort(this.sortNormal.bind(this, searchValue.toLowerCase()));
			}
		}

		// Mark all type groups
		if (results.length > 0 && searchValue.indexOf(SCOPE_PREFIX) === 0) {
			let currentType: string = null;
			let currentResult: SymbolEntry = null;
			let typeCounter = 0;

			for (let i = 0; i < results.length; i++) {
				let result = results[i];

				// Found new type
				if (currentType !== result.getType()) {

					// Update previous result with count
					if (currentResult) {
						currentResult.setGroupLabel(this.typeToLabel(currentType, typeCounter));
					}

					currentType = result.getType();
					currentResult = result;
					typeCounter = 1;

					result.setShowBorder(i > 0);
				}

				// Existing type, keep counting
				else {
					typeCounter++;
				}
			}

			// Update previous result with count
			if (currentResult) {
				currentResult.setGroupLabel(this.typeToLabel(currentType, typeCounter));
			}
		}

		// Mark first entry as outline
		else if (results.length > 0) {
			results[0].setGroupLabel(nls.localize('symbols', "symbols ({0})", results.length));
		}

		return results;
	}

	private _deltaDecorationsImpl(decorationsTracker: DecorationsTracker, ownerId: number, oldDecorationsIds: string[], newDecorations: ModelDeltaDecoration[]): string[] {

		if (oldDecorationsIds.length === 0) {
			// Nothing to remove
			return this._addDecorationsImpl(decorationsTracker, ownerId, newDecorations);
		}

		if (newDecorations.length === 0) {
			// Nothing to add
			this._removeDecorationsImpl(decorationsTracker, oldDecorationsIds);
			return [];
		}

		let oldDecorations = this._resolveOldDecorations(oldDecorationsIds);

		oldDecorations.sort((a, b) => Range.compareRangesUsingStarts(a.range, b.range));
		newDecorations.sort((a, b) => Range.compareRangesUsingStarts(a.range, b.range));

		let result: string[] = [],
			oldDecorationsIndex = 0,
			oldDecorationsLength = oldDecorations.length,
			newDecorationsIndex = 0,
			newDecorationsLength = newDecorations.length,
			decorationsToAdd: ModelDeltaDecoration[] = [],
			decorationsToRemove: string[] = [];

		while (oldDecorationsIndex < oldDecorationsLength && newDecorationsIndex < newDecorationsLength) {
			let oldDecoration = oldDecorations[oldDecorationsIndex];
			let newDecoration = newDecorations[newDecorationsIndex];
			let comparison = Range.compareRangesUsingStarts(oldDecoration.range, newDecoration.range);

			if (comparison < 0) {
				// `oldDecoration` is before `newDecoration` => remove `oldDecoration`
				decorationsToRemove.push(oldDecoration.id);
				oldDecorationsIndex++;
				continue;
			}

			if (comparison > 0) {
				// `newDecoration` is before `oldDecoration` => add `newDecoration`
				decorationsToAdd.push(newDecoration);
				newDecorationsIndex++;
				continue;
			}

			// The ranges of `oldDecoration` and `newDecoration` are equal

			if (!oldDecoration.options.equals(newDecoration.options)) {
				// The options do not match => remove `oldDecoration`
				decorationsToRemove.push(oldDecoration.id);
				oldDecorationsIndex++;
				continue;
			}

			// Bingo! We can reuse `oldDecoration` for `newDecoration`
			result[newDecoration.index] = oldDecoration.id;
			oldDecorationsIndex++;
			newDecorationsIndex++;
		}

		while (oldDecorationsIndex < oldDecorationsLength) {
			// No more new decorations => remove decoration at `oldDecorationsIndex`
			decorationsToRemove.push(oldDecorations[oldDecorationsIndex].id);
			oldDecorationsIndex++;
		}

		while (newDecorationsIndex < newDecorationsLength) {
			// No more old decorations => add decoration at `newDecorationsIndex`
			decorationsToAdd.push(newDecorations[newDecorationsIndex]);
			newDecorationsIndex++;
		}

		// Remove `decorationsToRemove`
		if (decorationsToRemove.length > 0) {
			this._removeDecorationsImpl(decorationsTracker, decorationsToRemove);
		}

		// Add `decorationsToAdd`
		if (decorationsToAdd.length > 0) {
			let newIds = this._addDecorationsImpl(decorationsTracker, ownerId, decorationsToAdd);
			for (let i = 0, len = decorationsToAdd.length; i < len; i++) {
				result[decorationsToAdd[i].index] = newIds[i];
			}
		}

		return result;
	}

	public static cut(config: CursorConfiguration, model: ICursorSimpleModel, selections: Selection[]): EditOperationResult {
		let commands: (ICommand | null)[] = [];
		for (let i = 0, len = selections.length; i < len; i++) {
			const selection = selections[i];

			if (selection.isEmpty()) {
				if (config.emptySelectionClipboard) {
					// This is a full line cut

					let position = selection.getPosition();

					let startLineNumber: number,
						startColumn: number,
						endLineNumber: number,
						endColumn: number;

					if (position.lineNumber < model.getLineCount()) {
						// Cutting a line in the middle of the model
						startLineNumber = position.lineNumber;
						startColumn = 1;
						endLineNumber = position.lineNumber + 1;
						endColumn = 1;
					} else if (position.lineNumber > 1) {
						// Cutting the last line & there are more than 1 lines in the model
						startLineNumber = position.lineNumber - 1;
						startColumn = model.getLineMaxColumn(position.lineNumber - 1);
						endLineNumber = position.lineNumber;
						endColumn = model.getLineMaxColumn(position.lineNumber);
					} else {
						// Cutting the single line that the model contains
						startLineNumber = position.lineNumber;
						startColumn = 1;
						endLineNumber = position.lineNumber;
						endColumn = model.getLineMaxColumn(position.lineNumber);
					}

					let deleteSelection = new Range(
						startLineNumber,
						startColumn,
						endLineNumber,
						endColumn
					);

					if (!deleteSelection.isEmpty()) {
						commands[i] = new ReplaceCommand(deleteSelection, '');
					} else {
						commands[i] = null;
					}
				} else {
					// Cannot cut empty selection
					commands[i] = null;
				}
			} else {
				commands[i] = new ReplaceCommand(selection, '');
			}
		}
		return new EditOperationResult(EditOperationType.Other, commands, {
			shouldPushStackElementBefore: true,
			shouldPushStackElementAfter: true
		});
	}

		operations = operations.sort((a, b) => -Range.compareRangesUsingEnds(a.range, b.range));

			editor.executeEdits('formatEditsCommand', edits.map(edit => EditOperation.replaceMove(Range.lift(edit.range), edit.text)));

function compareEntriesUsingStart(a: DocumentSymbol, b: DocumentSymbol): number {
	return Range.compareRangesUsingStarts(a.range, b.range);
}

	public hasSelection(): boolean {
		return (!this.selection.isEmpty() || !this.selectionStart.isEmpty());
	}