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Improved loading performance even more by switching from XmlDocument to XmlReader. Also added more api improvements.

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LukePulverenti Luke Pulverenti luke pulverenti
2012-07-14 16:45:11 -04:00
parent 5f5f2838b1
commit 2e03cb0916
18 changed files with 652 additions and 404 deletions
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69
MediaBrowser.Controller/Xml/XmlExtensions.cs
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@@ -6,69 +6,36 @@ namespace MediaBrowser.Controller.Xml
{
public static class XmlExtensions
{
public static int SafeGetInt32(this XmlNode node)
{
return SafeGetInt32(node, 0);
}
public static int SafeGetInt32(this XmlNode node, int defaultInt)
{
if (node != null && node.InnerText.Length > 0)
{
int rval;
if (Int32.TryParse(node.InnerText, out rval))
{
return rval;
}
}
return defaultInt;
}
private static CultureInfo _usCulture = new CultureInfo("en-US");
public static float SafeGetSingle(this XmlNode rvalNode, float minValue, float maxValue)
public static float ReadFloatSafe(this XmlReader reader)
{
if (rvalNode.InnerText.Length > 0)
string valueString = reader.ReadElementContentAsString();
float value = 0;
if (!string.IsNullOrEmpty(valueString))
{
float rval;
// float.TryParse is local aware, so it can be probamatic, force us culture
if (float.TryParse(rvalNode.InnerText, NumberStyles.AllowDecimalPoint, _usCulture, out rval))
{
if (rval >= minValue && rval <= maxValue)
{
return rval;
}
}
float.TryParse(valueString, NumberStyles.AllowDecimalPoint, _usCulture, out value);
}
return minValue;
return value;
}
public static float SafeGetSingle(this XmlNode doc, string path, float minValue, float maxValue)
public static int ReadIntSafe(this XmlReader reader)
{
XmlNode rvalNode = doc.SelectSingleNode(path);
if (rvalNode != null)
string valueString = reader.ReadElementContentAsString();
int value = 0;
if (!string.IsNullOrEmpty(valueString))
{
rvalNode.SafeGetSingle(minValue, maxValue);
int.TryParse(valueString, out value);
}
return minValue;
}
public static string SafeGetString(this XmlNode node)
{
return SafeGetString(node, null);
}
public static string SafeGetString(this XmlNode node, string defaultValue)
{
if (node != null && node.InnerText.Length > 0)
{
return node.InnerText;
}
return defaultValue;
return value;
}
}
}