export function checkMultiLineTag()

in src/language/providers/utils.ts [356:415]

• 55 lines of code
• 21 McCabe index (conditional complexity)

export function checkMultiLineTag(
  document: vscode.TextDocument,
  position: vscode.Position,
  itemsOnLine: number,
  nsPrefix: string,
  tagPos: number,
  tagLine: number,
  tag: string,
  isDfdlTag = false
): [boolean, boolean] {
  if (nsPrefix === 'dfdl:') {
    isDfdlTag = true
  }
  if (itemsOnLine > 1) {
    return [false, isDfdlTag]
  }
  let currentLine = position.line
  let openTagLine = position.line
  let closeTagLine = position.line
  const origText = document.lineAt(currentLine).text
  let currentText = origText

  //the current line doesn't have the self close symbol
  if (!currentText.endsWith('/>')) {
    while (currentText.trim() === '' || !currentText.includes('<')) {
      --openTagLine
      currentText = document.lineAt(openTagLine).text
      if (currentText.includes('/>')) {
        closeTagLine = openTagLine
      }
    }

    if (
      currentText.indexOf('<' + nsPrefix + tag) !== -1 &&
      currentText.indexOf('>') === -1 &&
      currentText.indexOf('<' + nsPrefix + tag) &&
      openTagLine <= position.line &&
      closeTagLine >= position.line &&
      (origText.indexOf('>') > position.character ||
        origText.indexOf('>') === -1)
    ) {
      return [true, isDfdlTag]
    }
  }

  if (currentText.endsWith('/>')) {
    let triggerPos = position.character
    let tagEndPos = currentText.indexOf('/>')
    let triggerLine = position.line

    if (
      (triggerLine === currentLine && triggerPos < tagEndPos) ||
      (triggerLine === tagLine && triggerPos > tagPos && tagPos !== -1) ||
      triggerLine < currentLine
    ) {
      return [true, isDfdlTag]
    }
  }
  return [false, isDfdlTag]
}