string to primitive

StringExtensions.t4.cs



using System;
using System.Linq;
using System.Text;
using System.Globalization;
namespace TextDataUtility
{
	public static partial class StringExtensions
	{
		
		public static byte ToByteOrDefault(this string s)
		{
			byte result;
			if(byte.TryParse(s,out result))
			{
				return result;
			}
			return default(byte);
		}
		
		public static byte ToByteOrDefault(this string s, byte defaultValue )
		{
			byte result;
			if(byte.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static byte ToByteOrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, byte defaultValue)
		{
			byte result;
			if(byte.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static short ToInt16OrDefault(this string s)
		{
			short result;
			if(short.TryParse(s,out result))
			{
				return result;
			}
			return default(short);
		}
		
		public static short ToInt16OrDefault(this string s, short defaultValue )
		{
			short result;
			if(short.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static short ToInt16OrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, short defaultValue)
		{
			short result;
			if(short.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static ushort ToUInt16OrDefault(this string s)
		{
			ushort result;
			if(ushort.TryParse(s,out result))
			{
				return result;
			}
			return default(ushort);
		}
		
		public static ushort ToUInt16OrDefault(this string s, ushort defaultValue )
		{
			ushort result;
			if(ushort.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static ushort ToUInt16OrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, ushort defaultValue)
		{
			ushort result;
			if(ushort.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static int ToInt32OrDefault(this string s)
		{
			int result;
			if(int.TryParse(s,out result))
			{
				return result;
			}
			return default(int);
		}
		
		public static int ToInt32OrDefault(this string s, int defaultValue )
		{
			int result;
			if(int.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static int ToInt32OrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, int defaultValue)
		{
			int result;
			if(int.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static uint ToUInt32OrDefault(this string s)
		{
			uint result;
			if(uint.TryParse(s,out result))
			{
				return result;
			}
			return default(uint);
		}
		
		public static uint ToUInt32OrDefault(this string s, uint defaultValue )
		{
			uint result;
			if(uint.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static uint ToUInt32OrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, uint defaultValue)
		{
			uint result;
			if(uint.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static long ToInt64OrDefault(this string s)
		{
			long result;
			if(long.TryParse(s,out result))
			{
				return result;
			}
			return default(long);
		}
		
		public static long ToInt64OrDefault(this string s, long defaultValue )
		{
			long result;
			if(long.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static long ToInt64OrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, long defaultValue)
		{
			long result;
			if(long.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static ulong ToUInt64OrDefault(this string s)
		{
			ulong result;
			if(ulong.TryParse(s,out result))
			{
				return result;
			}
			return default(ulong);
		}
		
		public static ulong ToUInt64OrDefault(this string s, ulong defaultValue )
		{
			ulong result;
			if(ulong.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static ulong ToUInt64OrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, ulong defaultValue)
		{
			ulong result;
			if(ulong.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static float ToFloatOrDefault(this string s)
		{
			float result;
			if(float.TryParse(s,out result))
			{
				return result;
			}
			return default(float);
		}
		
		public static float ToFloatOrDefault(this string s, float defaultValue )
		{
			float result;
			if(float.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static float ToFloatOrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, float defaultValue)
		{
			float result;
			if(float.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static double ToDoubleOrDefault(this string s)
		{
			double result;
			if(double.TryParse(s,out result))
			{
				return result;
			}
			return default(double);
		}
		
		public static double ToDoubleOrDefault(this string s, double defaultValue )
		{
			double result;
			if(double.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static double ToDoubleOrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, double defaultValue)
		{
			double result;
			if(double.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static decimal ToDecimalOrDefault(this string s)
		{
			decimal result;
			if(decimal.TryParse(s,out result))
			{
				return result;
			}
			return default(decimal);
		}
		
		public static decimal ToDecimalOrDefault(this string s, decimal defaultValue )
		{
			decimal result;
			if(decimal.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static decimal ToDecimalOrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, decimal defaultValue)
		{
			decimal result;
			if(decimal.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static DateTime ToDateTimeOrDefault(this string s)
		{
			DateTime result;
			if(DateTime.TryParse(s,out result))
			{
				return result;
			}
			return default(DateTime);
		}
		
		public static DateTime ToDateTimeOrDefault(this string s, DateTime defaultValue )
		{
			DateTime result;
			if(DateTime.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	
		public static DateTime ToDateTimeOrDefault(this string s, DateTimeStyles dateTimeStyles, IFormatProvider formatProvider, DateTime defaultValue)
		{
			DateTime result;
			if(DateTime.TryParse(s, formatProvider, dateTimeStyles, out result))
			{
				return result;
			}
			return defaultValue;
		}
			
		public static bool ToBoolOrDefault(this string s)
		{
			bool result;
			if(bool.TryParse(s,out result))
			{
				return result;
			}
			return default(bool);
		}
		
		public static bool ToBoolOrDefault(this string s, bool defaultValue )
		{
			bool result;
			if(bool.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
		}
}

StringExtensions.t4.tt

<#@ template debug="false" hostspecific="false" language="C#" #>
<#@ assembly name="System.Core" #>
<#@ import namespace="System.Linq" #>
<#@ import namespace="System.Text" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="System.Globalization" #>
<#@ output extension=".cs" #>

<# 
KeyValuePair<string,string>[] types = new []
{
	new KeyValuePair<string,string>("byte","Byte"),
	new KeyValuePair<string,string>("short","Int16"),
	new KeyValuePair<string,string>("ushort","UInt16"),
	new KeyValuePair<string,string>("int","Int32"),
	new KeyValuePair<string,string>("uint","UInt32"),
	new KeyValuePair<string,string>("long","Int64"),
	new KeyValuePair<string,string>("ulong","UInt64"),
	new KeyValuePair<string,string>("float","Float"),
	new KeyValuePair<string,string>("double","Double"),
	new KeyValuePair<string,string>("decimal","Decimal"),
	new KeyValuePair<string,string>("DateTime","DateTime"),
	new KeyValuePair<string,string>("bool","Bool")
};
#>

using System;
using System.Linq;
using System.Text;
using System.Globalization;
namespace TextDataUtility
{
	public static partial class StringExtensions
	{
<# foreach(var typeName in types){ #>
		
		public static <#= typeName.Key #> To<#= typeName.Value #>OrDefault(this string s)
		{
			<#= typeName.Key #> result;
			if(<#= typeName.Key #>.TryParse(s,out result))
			{
				return result;
			}
			return default(<#= typeName.Key #>);
		}
		
		public static <#= typeName.Key #> To<#= typeName.Value #>OrDefault(this string s, <#= typeName.Key #> defaultValue )
		{
			<#= typeName.Key #> result;
			if(<#= typeName.Key #>.TryParse(s,out result))
			{
				return result;
			}
			return defaultValue;
		}
	<# if(typeName.Key == "DateTime") 
	{ #>

		public static <#= typeName.Key #> To<#= typeName.Value #>OrDefault(this string s, DateTimeStyles dateTimeStyles, IFormatProvider formatProvider, <#= typeName.Key #> defaultValue)
		{
			<#= typeName.Key #> result;
			if(<#= typeName.Key #>.TryParse(s, formatProvider, dateTimeStyles, out result))
			{
				return result;
			}
			return defaultValue;
		}
	<# }else if(typeName.Key != "bool")
	{ #>

		public static <#= typeName.Key #> To<#= typeName.Value #>OrDefault(this string s, NumberStyles numberStyles, IFormatProvider formatProvider, <#= typeName.Key #> defaultValue)
		{
			<#= typeName.Key #> result;
			if(<#= typeName.Key #>.TryParse(s,numberStyles, formatProvider,out result))
			{
				return result;
			}
			return defaultValue;
		}
	<# } #>
<# } #>
	}
}