OfficeMathMathObjectType Property |
Namespace: Aspose.Words.Math
public void OfficeMathToText() { // Open the document that has office math objects we want to print the info of Document doc = new Document(MyDir + "DocumentVisitor-compatible features.docx"); // Create an object that inherits from the DocumentVisitor class OfficeMathInfoPrinter visitor = new OfficeMathInfoPrinter(); // Accepting a visitor lets it start traversing the nodes in the document, // starting with the node that accepted it to then recursively visit every child doc.Accept(visitor); // Once the visiting is complete, we can retrieve the result of the operation, // that in this example, has accumulated in the visitor Console.WriteLine(visitor.GetText()); } /// <summary> /// This Visitor implementation prints information about office math objects encountered in the document. /// </summary> public class OfficeMathInfoPrinter : DocumentVisitor { public OfficeMathInfoPrinter() { mBuilder = new StringBuilder(); mVisitorIsInsideOfficeMath = false; } /// <summary> /// Gets the plain text of the document that was accumulated by the visitor. /// </summary> public string GetText() { return mBuilder.ToString(); } /// <summary> /// Called when a Run node is encountered in the document. /// </summary> public override VisitorAction VisitRun(Run run) { if (mVisitorIsInsideOfficeMath) IndentAndAppendLine("[Run] \"" + run.GetText() + "\""); return VisitorAction.Continue; } /// <summary> /// Called when an OfficeMath node is encountered in the document. /// </summary> public override VisitorAction VisitOfficeMathStart(OfficeMath officeMath) { IndentAndAppendLine("[OfficeMath start] Math object type: " + officeMath.MathObjectType); mDocTraversalDepth++; mVisitorIsInsideOfficeMath = true; return VisitorAction.Continue; } /// <summary> /// Called when the visiting of a OfficeMath node is ended. /// </summary> public override VisitorAction VisitOfficeMathEnd(OfficeMath officeMath) { mDocTraversalDepth--; IndentAndAppendLine("[OfficeMath end]"); mVisitorIsInsideOfficeMath = false; return VisitorAction.Continue; } /// <summary> /// Append a line to the StringBuilder and indent it depending on how deep the visitor is into the document tree. /// </summary> /// <param name="text"></param> private void IndentAndAppendLine(string text) { for (int i = 0; i < mDocTraversalDepth; i++) mBuilder.Append("| "); mBuilder.AppendLine(text); } private bool mVisitorIsInsideOfficeMath; private int mDocTraversalDepth; private readonly StringBuilder mBuilder; }