Method readAttributeValue

src/utils/xml.ts:227–240

(attributeName: string)

  }

  private readAttributeValue(attributeName: string): string {
    const quote = this.xml[this.index];
    if (quote !== '"' && quote !== "'") {
      throw new Error(`XML attribute "${attributeName}" must use a quoted value.`);
    }
    this.index += 1;
    const startIndex = this.index;
    const endIndex = this.xml.indexOf(quote, startIndex);
    if (endIndex === -1) {
      throw new Error(`XML attribute "${attributeName}" is not closed.`);
    }
    this.index = endIndex + 1;
    return decodeXmlEntities(this.xml.slice(startIndex, endIndex).trim());
  }

  private skipDeclaration(): void {
    const state: DeclarationScanState = { quote: null, bracketDepth: 0 };