using System ;
using System.Globalization ;
using System.Text ;
using System.Text.RegularExpressions ;
namespace MediaBrowser.Model.Extensions
{
/// <summary>
/// Isolating these helpers allow this entire project to be easily converted to Java
/// </summary>
public static class StringHelper
{
/// <summary>
/// Equalses the ignore case.
/// </summary>
/// <param name="str1">The STR1.</param>
/// <param name="str2">The STR2.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public static bool EqualsIgnoreCase ( string str1 , string str2 )
{
return string . Equals ( str1 , str2 , StringComparison . OrdinalIgnoreCase ) ;
}
/// <summary>
/// Indexes the of ignore case.
/// </summary>
/// <param name="str">The string.</param>
/// <param name="value">The value.</param>
/// <returns>System.Int32.</returns>
public static int IndexOfIgnoreCase ( string str , string value )
{
return str . IndexOf ( value , StringComparison . OrdinalIgnoreCase ) ;
}
/// <summary>
/// To the string culture invariant.
/// </summary>
/// <param name="val">The value.</param>
/// <returns>System.String.</returns>
public static string ToStringCultureInvariant ( int val )
{
return val . ToString ( CultureInfo . InvariantCulture ) ;
}
/// <summary>
/// To the string culture invariant.
/// </summary>
/// <param name="val">The value.</param>
/// <returns>System.String.</returns>
public static string ToStringCultureInvariant ( long val )
{
return val . ToString ( CultureInfo . InvariantCulture ) ;
}
/// <summary>
/// To the string culture invariant.
/// </summary>
/// <param name="val">The value.</param>
/// <returns>System.String.</returns>
public static string ToStringCultureInvariant ( double val )
{
return val . ToString ( CultureInfo . InvariantCulture ) ;
}
/// <summary>
/// Trims the start.
/// </summary>
/// <param name="str">The string.</param>
/// <param name="c">The c.</param>
/// <returns>System.String.</returns>
public static string TrimStart ( string str , char c )
{
return str . TrimStart ( c ) ;
}
/// <summary>
/// Splits the specified string.
/// </summary>
/// <param name="str">The string.</param>
/// <param name="term">The term.</param>
/// <returns>System.String[].</returns>
public static string [ ] RegexSplit ( string str , string term )
{
return Regex . Split ( str , term , RegexOptions . IgnoreCase ) ;
}
/// <summary>
/// Splits the specified string.
/// </summary>
/// <param name="str">The string.</param>
/// <param name="term">The term.</param>
/// <param name="limit">The limit.</param>
/// <returns>System.String[].</returns>
public static string [ ] RegexSplit ( string str , string term , int limit )
{
return new Regex ( term ) . Split ( str , limit ) ;
}
/// <summary>
/// Replaces the specified STR.
/// </summary>
/// <param name="str">The STR.</param>
/// <param name="oldValue">The old value.</param>
/// <param name="newValue">The new value.</param>
/// <param name="comparison">The comparison.</param>
/// <returns>System.String.</returns>
public static string Replace ( this string str , string oldValue , string newValue , StringComparison comparison )
{
var sb = new StringBuilder ( ) ;
var previousIndex = 0 ;
var index = str . IndexOf ( oldValue , comparison ) ;
while ( index ! = - 1 )
{
sb . Append ( str . Substring ( previousIndex , index - previousIndex ) ) ;
sb . Append ( newValue ) ;
index + = oldValue . Length ;
previousIndex = index ;
index = str . IndexOf ( oldValue , index , comparison ) ;
}
sb . Append ( str . Substring ( previousIndex ) ) ;
return sb . ToString ( ) ;
}
}
}