mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-07 20:08:59 +02:00
200 lines
No EOL
6.5 KiB
C#
200 lines
No EOL
6.5 KiB
C#
using System;
|
|
using System.Globalization;
|
|
using System.Xml;
|
|
|
|
namespace MediaBrowser.Controller.Extensions
|
|
{
|
|
/// <summary>
|
|
/// Class XmlExtensions
|
|
/// </summary>
|
|
public static class XmlExtensions
|
|
{
|
|
|
|
/// <summary>
|
|
/// Safes the get int32.
|
|
/// </summary>
|
|
/// <param name="doc">The doc.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>System.Int32.</returns>
|
|
public static int SafeGetInt32(this XmlDocument doc, string path)
|
|
{
|
|
return SafeGetInt32(doc, path, 0);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Safes the get int32.
|
|
/// </summary>
|
|
/// <param name="doc">The doc.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="defaultInt">The default int.</param>
|
|
/// <returns>System.Int32.</returns>
|
|
public static int SafeGetInt32(this XmlDocument doc, string path, int defaultInt)
|
|
{
|
|
XmlNode rvalNode = doc.SelectSingleNode(path);
|
|
if (rvalNode != null && rvalNode.InnerText.Length > 0)
|
|
{
|
|
int rval;
|
|
if (Int32.TryParse(rvalNode.InnerText, out rval))
|
|
{
|
|
return rval;
|
|
}
|
|
|
|
}
|
|
return defaultInt;
|
|
}
|
|
|
|
/// <summary>
|
|
/// The _us culture
|
|
/// </summary>
|
|
private static readonly CultureInfo _usCulture = new CultureInfo("en-US");
|
|
|
|
/// <summary>
|
|
/// Safes the get single.
|
|
/// </summary>
|
|
/// <param name="doc">The doc.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="minValue">The min value.</param>
|
|
/// <param name="maxValue">The max value.</param>
|
|
/// <returns>System.Single.</returns>
|
|
public static float SafeGetSingle(this XmlDocument doc, string path, float minValue, float maxValue)
|
|
{
|
|
XmlNode rvalNode = doc.SelectSingleNode(path);
|
|
if (rvalNode != null && rvalNode.InnerText.Length > 0)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
}
|
|
return minValue;
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Safes the get string.
|
|
/// </summary>
|
|
/// <param name="doc">The doc.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string SafeGetString(this XmlDocument doc, string path)
|
|
{
|
|
return SafeGetString(doc, path, null);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Safes the get string.
|
|
/// </summary>
|
|
/// <param name="doc">The doc.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="defaultString">The default string.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string SafeGetString(this XmlDocument doc, string path, string defaultString)
|
|
{
|
|
XmlNode rvalNode = doc.SelectSingleNode(path);
|
|
if (rvalNode != null && rvalNode.InnerText.Trim().Length > 0)
|
|
{
|
|
return rvalNode.InnerText;
|
|
}
|
|
return defaultString;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Safes the get string.
|
|
/// </summary>
|
|
/// <param name="doc">The doc.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string SafeGetString(this XmlNode doc, string path)
|
|
{
|
|
return SafeGetString(doc, path, null);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Safes the get string.
|
|
/// </summary>
|
|
/// <param name="doc">The doc.</param>
|
|
/// <param name="path">The path.</param>
|
|
/// <param name="defaultValue">The default value.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string SafeGetString(this XmlNode doc, string path, string defaultValue)
|
|
{
|
|
XmlNode rvalNode = doc.SelectSingleNode(path);
|
|
if (rvalNode != null && rvalNode.InnerText.Length > 0)
|
|
{
|
|
return rvalNode.InnerText;
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reads the string safe.
|
|
/// </summary>
|
|
/// <param name="reader">The reader.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string ReadStringSafe(this XmlReader reader)
|
|
{
|
|
var val = reader.ReadElementContentAsString();
|
|
|
|
return string.IsNullOrWhiteSpace(val) ? null : val;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reads the value safe.
|
|
/// </summary>
|
|
/// <param name="reader">The reader.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string ReadValueSafe(this XmlReader reader)
|
|
{
|
|
reader.Read();
|
|
|
|
var val = reader.Value;
|
|
|
|
return string.IsNullOrWhiteSpace(val) ? null : val;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reads a float from the current element of an XmlReader
|
|
/// </summary>
|
|
/// <param name="reader">The reader.</param>
|
|
/// <returns>System.Single.</returns>
|
|
public static float ReadFloatSafe(this XmlReader reader)
|
|
{
|
|
string valueString = reader.ReadElementContentAsString();
|
|
|
|
float value = 0;
|
|
|
|
if (!string.IsNullOrWhiteSpace(valueString))
|
|
{
|
|
// float.TryParse is local aware, so it can be probamatic, force us culture
|
|
float.TryParse(valueString, NumberStyles.AllowDecimalPoint, _usCulture, out value);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reads an int from the current element of an XmlReader
|
|
/// </summary>
|
|
/// <param name="reader">The reader.</param>
|
|
/// <returns>System.Int32.</returns>
|
|
public static int ReadIntSafe(this XmlReader reader)
|
|
{
|
|
string valueString = reader.ReadElementContentAsString();
|
|
|
|
int value = 0;
|
|
|
|
if (!string.IsNullOrWhiteSpace(valueString))
|
|
{
|
|
int.TryParse(valueString, out value);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
}
|
|
} |