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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| import { Position, Range, SelectionRange } from 'vscode-languageserver-types'; | ||
| import { yamlDocumentsCache } from '../parser/yaml-documents'; | ||
| import { TextDocument } from 'vscode-languageserver-textdocument'; | ||
| import { ASTNode } from 'vscode-json-languageservice'; | ||
|
|
||
| export function getSelectionRanges(document: TextDocument, positions: Position[]): SelectionRange[] | undefined { | ||
| if (!document) { | ||
| return; | ||
| } | ||
| const doc = yamlDocumentsCache.getYamlDocument(document); | ||
| return positions.map((position) => { | ||
| const ranges = getRanges(position); | ||
| let current: SelectionRange; | ||
| for (const range of ranges) { | ||
| current = SelectionRange.create(range, current); | ||
| } | ||
| if (!current) { | ||
| current = SelectionRange.create({ | ||
| start: position, | ||
| end: position, | ||
| }); | ||
| } | ||
| return current; | ||
| }); | ||
|
|
||
| function getRanges(position: Position): Range[] { | ||
| const offset = document.offsetAt(position); | ||
| const result: Range[] = []; | ||
| for (const ymlDoc of doc.documents) { | ||
| let currentNode: ASTNode; | ||
| let firstNodeOffset: number; | ||
| let isFirstNode = true; | ||
| ymlDoc.visit((node) => { | ||
| const endOffset = node.offset + node.length; | ||
| // Skip if end offset doesn't even reach cursor position | ||
| if (endOffset < offset) { | ||
| return true; | ||
| } | ||
| let startOffset = node.offset; | ||
| // Recheck start offset with the trimmed one in case of this | ||
| // key: | ||
| // - value | ||
| // ↑ | ||
| if (startOffset > offset) { | ||
| const nodePosition = document.positionAt(startOffset); | ||
| if (nodePosition.line !== position.line) { | ||
| return true; | ||
| } | ||
| const lineBeginning = { line: nodePosition.line, character: 0 }; | ||
| const text = document.getText({ | ||
| start: lineBeginning, | ||
| end: nodePosition, | ||
| }); | ||
| if (text.trim().length !== 0) { | ||
| return true; | ||
| } | ||
| startOffset = document.offsetAt(lineBeginning); | ||
| if (startOffset > offset) { | ||
| return true; | ||
| } | ||
| } | ||
| // Allow equal for children to override | ||
| if (!currentNode || startOffset >= currentNode.offset) { | ||
| currentNode = node; | ||
| firstNodeOffset = startOffset; | ||
| } | ||
| return true; | ||
| }); | ||
| while (currentNode) { | ||
| const startOffset = isFirstNode ? firstNodeOffset : currentNode.offset; | ||
| const endOffset = currentNode.offset + currentNode.length; | ||
| const range = { | ||
| start: document.positionAt(startOffset), | ||
| end: document.positionAt(endOffset), | ||
| }; | ||
| const text = document.getText(range); | ||
| const trimmedText = text.trimEnd(); | ||
| const trimmedLength = text.length - trimmedText.length; | ||
| if (trimmedLength > 0) { | ||
| range.end = document.positionAt(endOffset - trimmedLength); | ||
| } | ||
| // Add a jump between '' "" {} [] | ||
| const isSurroundedBy = (startCharacter: string, endCharacter?: string): boolean => { | ||
| return trimmedText.startsWith(startCharacter) && trimmedText.endsWith(endCharacter || startCharacter); | ||
| }; | ||
| if ( | ||
| (currentNode.type === 'string' && (isSurroundedBy("'") || isSurroundedBy('"'))) || | ||
| (currentNode.type === 'object' && isSurroundedBy('{', '}')) || | ||
| (currentNode.type === 'array' && isSurroundedBy('[', ']')) | ||
| ) { | ||
| result.push({ | ||
| start: document.positionAt(startOffset + 1), | ||
| end: document.positionAt(endOffset - 1), | ||
| }); | ||
| } | ||
| result.push(range); | ||
| currentNode = currentNode.parent; | ||
| isFirstNode = false; | ||
| } | ||
| // A position can't be in multiple documents | ||
| if (result.length > 0) { | ||
| break; | ||
| } | ||
| } | ||
| return result.reverse(); | ||
| } | ||
| } |
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