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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
**
** Purpose: Methods for Parsing numbers and Strings.
** All methods are implemented in native.
**
**
===========================================================*/
//This class contains only static members and does not need to be serializable.
using System;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
namespace System
{
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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