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import type { DocTreeNode } from './docContainer.ts';import { NodeHandler } from "./helpers/NodeHandler.ts";
export class FileParser {  node?: DocTreeNode;  buffer?: Uint8Array;  currentTestNode?: DocTreeNode;  private _nodeHandler: NodeHandler = new NodeHandler();
  getSections (): DocTreeNode | null {    this._run();    return this.node || null;  }
  private _run () {        this._walkFileBuffer(0);        }
  private _walkFileBuffer (currentIndex: number): void {    if (      !this.buffer ||      !this.node ||      this.buffer.length === 0 ||      currentIndex >= this.buffer.length - 1    ) {      return;    }
    if (this._nodeHandler.isStartIndexForTest(this.buffer, currentIndex)) {      currentIndex = this._nodeHandler.generateTestNode(this.node, this.buffer, currentIndex);      currentIndex++;      this.currentTestNode = this.node.children[this.node.children.length-1];      currentIndex = this._walkFileBufferForTestSubsections(currentIndex);
    } else {      currentIndex++;    }    this._walkFileBuffer(currentIndex);   }
  private _walkFileBufferForTestSubsections (currentIndex: number): number {    if (      !this.buffer ||      !this.currentTestNode ||      currentIndex >= this.buffer.length - 1 ||      this._nodeHandler.isStartIndexForTest(this.buffer, currentIndex)    ) {      return currentIndex;    }    if (this._nodeHandler.isStartIndexForGiven(this.buffer, currentIndex)) {      currentIndex = this._nodeHandler.generateGivenNode(this.currentTestNode, this.buffer, currentIndex);    }    else if (this._nodeHandler.isStartIndexForWhen(this.buffer, currentIndex)) {      currentIndex = this._nodeHandler.generateWhenNode(this.currentTestNode, this.buffer, currentIndex);    }    else if (this._nodeHandler.isStartIndexForThen(this.buffer, currentIndex)) {      currentIndex = this._nodeHandler.generateThenNode(this.currentTestNode, this.buffer, currentIndex);    }     currentIndex++;    return this._walkFileBufferForTestSubsections(currentIndex);   }}