XmlHelper.cs :  » Persistence-Frameworks » FileHelpers-Library » FileHelpers » RunTime » C# / CSharp Open Source

using System;
using System.IO;
using System.Xml;

namespace FileHelpers.RunTime{
  internal sealed class XmlHelper
  {
    public XmlHelper()
    {}
    
    internal XmlTextWriter mWriter;
    internal XmlTextReader mReader;
    
    public void BeginWriteFile(string filename)
    {
      mWriter = new XmlTextWriter(new StreamWriter(filename));
      mWriter.Formatting = Formatting.Indented;
      mWriter.Indentation = 4;
    }

    public void BeginReadFile(string filename)
    {
      mReader = new XmlTextReader(new StreamReader(filename));
    }

    public void WriteElement(string element, string valueStr)
    {
      mWriter.WriteStartElement(element);
      mWriter.WriteString(valueStr);
      mWriter.WriteEndElement();
    }

    public void WriteElement(string element, string valueStr, string defaultVal)
    {
      if (valueStr != defaultVal)
        WriteElement(element, valueStr);
    }

    public void WriteElement(string element, bool mustWrite)
    {
            if (mustWrite)
      {
        mWriter.WriteStartElement(element);
        mWriter.WriteEndElement();
      }
    }

    public void WriteAttribute(string attb, string valueStr, string defaultVal)
    {
      if (valueStr != defaultVal)
        WriteAttribute(attb, valueStr);
    }

    public void WriteAttribute(string attb, string valueStr)
    {
      mWriter.WriteStartAttribute(attb, string.Empty);
      mWriter.WriteString(valueStr);
      mWriter.WriteEndAttribute();
    }

    public void EndWrite()
    {
      mWriter.Close();
      mWriter = null;
    }
    
    public void ReadToNextElement()
    {
      while(mReader.Read())
        if (mReader.NodeType == XmlNodeType.Element)
          return;
    }

    
  }
}