ParseNumbers.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / ParseNumbers.cs / 1 / ParseNumbers.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  ParseNumbers 
**
** 
** Purpose: Methods for Parsing numbers and Strings.
** All methods are implemented in native.
**
** 
===========================================================*/
namespace System { 
 
    //This class contains only static members and does not need to be serializable.
 	using System; 
	using System.Runtime.CompilerServices;
    internal static class ParseNumbers {
        internal const int PrintAsI1=0x40;
        internal const int PrintAsI2=0x80; 
        internal const int PrintAsI4=0x100;
        internal const int TreatAsUnsigned=0x200; 
        internal const int TreatAsI1=0x400; 
        internal const int TreatAsI2=0x800;
        internal const int IsTight=0x1000; 
        internal const int NoSpace=0x2000;

        //
        // 
        // NATIVE METHODS
        // For comments on these methods please see $\src\vm\COMUtilNative.cpp 
        // 
        public unsafe static long StringToLong(System.String s, int radix, int flags) {
            return StringToLong(s,radix,flags, null); 
        }
        [MethodImplAttribute(MethodImplOptions.InternalCall)]
        public unsafe extern static long StringToLong(System.String s, int radix, int flags, int* currPos);
 
        public unsafe static long StringToLong(System.String s, int radix, int flags, ref int currPos) {
            fixed(int * ppos = &currPos) { 
                return StringToLong( s, radix, flags, ppos); 
            }
        } 

        public unsafe static int StringToInt(System.String s, int radix, int flags) {
            return StringToInt(s,radix,flags, null);
        } 
        [MethodImplAttribute(MethodImplOptions.InternalCall)]
        public unsafe extern static int StringToInt(System.String s, int radix, int flags, int* currPos); 
 
        public unsafe static int StringToInt(System.String s, int radix, int flags, ref int currPos) {
            fixed(int * ppos = &currPos) { 
                return StringToInt( s, radix, flags, ppos);
            }
        }
 
        [MethodImplAttribute(MethodImplOptions.InternalCall)]
        public extern static String IntToString(int l, int radix, int width, char paddingChar, int flags); 
 
	    [MethodImplAttribute(MethodImplOptions.InternalCall)]
        public extern static String LongToString(long l, int radix, int width, char paddingChar, int flags); 
    }
}

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