Function createEventCollector

xml/_parser_test.ts:49–126

Creates callbacks that collect events into an array.

()

/** Creates callbacks that collect events into an array. */
function createEventCollector(): {
  events: XmlEvent[];
  callbacks: XmlEventCallbacks;
} {
  const events: XmlEvent[] = [];
  const callbacks: XmlEventCallbacks = {
    onDeclaration(version, encoding, standalone, line, column, offset) {
      events.push({
        type: "declaration",
        version,
        ...(encoding !== undefined ? { encoding } : {}),
        ...(standalone !== undefined ? { standalone } : {}),
        line,
        column,
        offset,
      } as XmlEvent);
    },
    onStartElement(
      name,
      colonIndex,
      uri,
      attributes: XmlAttributeIterator,
      selfClosing,
      line,
      column,
      offset,
    ) {
      const attrs: Array<{ name: XmlName; value: string }> = [];
      for (let i = 0; i < attributes.count; i++) {
        const attrName = attributes.getName(i);
        const attrColonIndex = attributes.getColonIndex(i);
        const attrUri = attributes.getUri(i);
        attrs.push({
          name: parseName(attrName, attrColonIndex, attrUri),
          value: attributes.getValue(i),
        });
      }
      events.push({
        type: "start_element",
        name: parseName(name, colonIndex, uri),
        attributes: attrs,
        selfClosing,
        line,
        column,
        offset,
      });
    },
    onEndElement(name, colonIndex, uri, line, column, offset) {
      events.push({
        type: "end_element",
        name: parseName(name, colonIndex, uri),
        line,
        column,
        offset,
      });
    },
    onText(text, line, column, offset) {
      events.push({ type: "text", text, line, column, offset });