Function readPiExp

src/v6/XmlPartReader.js:110–144

(parser)

}

export function readPiExp(parser) {
  let inSingleQuotes = false;
  let inDoubleQuotes = false;
  let i;
  let EOE = false;

  for (i = 0; parser.source.canRead(i) ; i++) {
    const currentChar = parser.source.readChAt(i);
    const nextChar =  parser.source.readChAt(i+1);

    if (currentChar === "'" && !inDoubleQuotes) {
      inSingleQuotes = !inSingleQuotes;
    } else if (currentChar === '"' && !inSingleQuotes) {
      inDoubleQuotes = !inDoubleQuotes;
    }

    if (!inSingleQuotes && !inDoubleQuotes) {
      if (currentChar === '?' && nextChar === '>') {
        EOE = true;
        break; // Exit the loop when '?>' is found
      }
    }
  }
  if(inSingleQuotes || inDoubleQuotes){
    throw new Error("Invalid attribute expression. Quote is not properly closed in PI tag expression");
  }else if(!EOE) throw new Error("Unexpected closing of source. Waiting for '?>'");

  if(!parser.options.attributes.ignore){
    //TODO: use regex to verify attributes if not set to ignore
  }

  const exp = parser.source.readStr(i);
  parser.source.updateBufferBoundary(i + 1);
  return buildTagExpObj(exp, parser)
}

function buildTagExpObj(exp, parser){
  const tagExp = {