Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Base / System / IO / Packaging / CompoundFile / VersionPair.cs / 1 / VersionPair.cs
//------------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
// Description:
// A major, minor version number pair.
//
// History:
// 06/20/2002: YoungGK: Created
// 05/30/2003: LGolding: Ported to WCP tree. Split out from FormatVersion.cs.
// 02/16/2005: YoungGK: Changed Class name to VersionPair from VersionTuple
//
//-----------------------------------------------------------------------------
// Allow use of presharp warning numbers [6506] unknown to the compiler
#pragma warning disable 1634, 1691
using System;
using System.Globalization;
#if PBTCOMPILER
using MS.Utility; // For SR.cs
#else
using System.Windows;
using System.Text;
using MS.Internal.WindowsBase; // FriendAccessAllowed
#endif
namespace MS.Internal.IO.Packaging.CompoundFile
{
///Class for a version pair which consists of major and minor numbers
#if !PBTCOMPILER
[FriendAccessAllowed]
internal class VersionPair : IComparable
#else
internal class VersionPair
#endif
{
//-----------------------------------------------------
//
// Internal Constructors
//
//-----------------------------------------------------
#region Constructors
///
/// Constructor for VersionPair with given major and minor numbers.
///
/// major part of version
/// minor part of version
internal VersionPair(Int16 major, Int16 minor)
{
if (major < 0)
{
throw new ArgumentOutOfRangeException("major",
SR.Get(SRID.VersionNumberComponentNegative));
}
if (minor < 0)
{
throw new ArgumentOutOfRangeException("minor",
SR.Get(SRID.VersionNumberComponentNegative));
}
_major = major;
_minor = minor;
}
#endregion Constructors
//------------------------------------------------------
//
// Internal Properties
//
//-----------------------------------------------------
#region Public Properties
///
/// Major number of version
///
public Int16 Major
{
get
{
return _major;
}
}
///
/// Minor number of version
///
public Int16 Minor
{
get
{
return _minor;
}
}
#endregion Public Properties
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public methods
#if !PBTCOMPILER
///
/// Returns a string that represents the current VersionPair object.
/// The string is of the form (major,minor).
///
public override string ToString()
{
StringBuilder stringFormBuilder = new StringBuilder("(");
stringFormBuilder.Append(_major);
stringFormBuilder.Append(",");
stringFormBuilder.Append(_minor);
stringFormBuilder.Append(")");
return stringFormBuilder.ToString();
}
#endif
#endregion
#region Operators
///
/// == comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator ==(VersionPair v1, VersionPair v2)
{
bool result = false;
// If both v1 & v2 are null they are same
if ((Object) v1 == null && (Object) v2 == null)
{
result = true;
}
// Do comparison only if both v1 and v2 are not null
else if ((Object) v1 != null && (Object) v2 != null)
{
if (v1.Major == v2.Major && v1.Minor == v2.Minor)
{
result = true;
}
}
return result;
}
///
/// != comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator !=(VersionPair v1, VersionPair v2)
{
// == is previously define so it can be used
return !(v1 == v2);
}
#if !PBTCOMPILER
///
/// "less than" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator <(VersionPair v1, VersionPair v2)
{
bool result = false;
if ((Object) v1 == null && (Object) v2 != null)
{
result = true;
}
else if ((Object) v1 != null && (object) v2 != null)
{
// == is previously define so it can be used
if (v1.Major < v2.Major || ((v1.Major == v2.Major) && (v1.Minor < v2.Minor)))
{
result = true;
}
}
return result;
}
///
/// "greater than" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator >(VersionPair v1, VersionPair v2)
{
bool result = false;
if ((Object) v1 != null && (Object) v2 == null)
{
result = true;
}
// Comare only if neither v1 nor v2 are not null
else if ((Object) v1 != null && (object) v2 != null)
{
// < and == are previously define so it can be used
if (!(v1 < v2) && v1 != v2)
{
return true;
}
}
return result;
}
///
/// "less than or equal" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator <=(VersionPair v1, VersionPair v2)
{
if (!(v1 > v2))
{
return true;
}
return false;
}
///
/// "greater than or equal" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator >=(VersionPair v1, VersionPair v2)
{
if (!(v1 < v2))
{
return true;
}
return false;
}
#endif
///
/// Eaual comparison operator
///
/// Object to compare
/// true if the object is equal to this instance
public override bool Equals(Object obj)
{
if (obj == null)
{
return false;
}
if (obj.GetType() != GetType())
{
return false;
}
VersionPair v = (VersionPair) obj;
//PRESHARP:Parameter to this public method must be validated: A null-dereference can occur here.
// Parameter 'v' to this public method must be validated: A null-dereference can occur here.
//This is a false positive as the checks above can gurantee no null dereference will occur
#pragma warning disable 6506
if (this != v)
{
return false;
}
#pragma warning restore 6506
return true;
}
///
/// Hash code
///
public override int GetHashCode()
{
return (_major << 16 + _minor);
}
#if !PBTCOMPILER
///
/// Compare this instance to the object
///
/// Object to compare
/// Less than 0 - This instance is less than obj
/// Zero - This instance is equal to obj
/// Greater than 0 - This instance is greater than obj
public int CompareTo(Object obj)
{
if (obj == null)
{
return 1;
}
if (obj.GetType() != GetType())
{
throw new ArgumentException(SR.Get(SRID.ExpectedVersionPairObject));
}
VersionPair v = (VersionPair) obj;
//PRESHARP:Parameter to this public method must be validated: A null-dereference can occur here.
// Parameter 'v' to this public method must be validated: A null-dereference can occur here.
//This is a false positive as the checks above can gurantee no null dereference will occur
#pragma warning disable 6506
if (this.Equals(obj)) // equal
{
return 0;
}
// less than
else if (this < v)
{
return -1;
}
#pragma warning restore 6506
// greater than
return 1;
}
#endif
#endregion Operators
//-----------------------------------------------------
//
// Public Events
//
//------------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Constructors
//
//-----------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Properties
//
//------------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
// None
//------------------------------------------------------
//
// Internal Events
//
//-----------------------------------------------------
// None
//------------------------------------------------------
//
// Private Methods
//
//-----------------------------------------------------
// None
//-----------------------------------------------------
//
// Private Fields
//
//-----------------------------------------------------
#region Member Variables
private Int16 _major; // Major number
private Int16 _minor; // Minor number
#endregion Member Variables
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
// Description:
// A major, minor version number pair.
//
// History:
// 06/20/2002: YoungGK: Created
// 05/30/2003: LGolding: Ported to WCP tree. Split out from FormatVersion.cs.
// 02/16/2005: YoungGK: Changed Class name to VersionPair from VersionTuple
//
//-----------------------------------------------------------------------------
// Allow use of presharp warning numbers [6506] unknown to the compiler
#pragma warning disable 1634, 1691
using System;
using System.Globalization;
#if PBTCOMPILER
using MS.Utility; // For SR.cs
#else
using System.Windows;
using System.Text;
using MS.Internal.WindowsBase; // FriendAccessAllowed
#endif
namespace MS.Internal.IO.Packaging.CompoundFile
{
///Class for a version pair which consists of major and minor numbers
#if !PBTCOMPILER
[FriendAccessAllowed]
internal class VersionPair : IComparable
#else
internal class VersionPair
#endif
{
//-----------------------------------------------------
//
// Internal Constructors
//
//-----------------------------------------------------
#region Constructors
///
/// Constructor for VersionPair with given major and minor numbers.
///
/// major part of version
/// minor part of version
internal VersionPair(Int16 major, Int16 minor)
{
if (major < 0)
{
throw new ArgumentOutOfRangeException("major",
SR.Get(SRID.VersionNumberComponentNegative));
}
if (minor < 0)
{
throw new ArgumentOutOfRangeException("minor",
SR.Get(SRID.VersionNumberComponentNegative));
}
_major = major;
_minor = minor;
}
#endregion Constructors
//------------------------------------------------------
//
// Internal Properties
//
//-----------------------------------------------------
#region Public Properties
///
/// Major number of version
///
public Int16 Major
{
get
{
return _major;
}
}
///
/// Minor number of version
///
public Int16 Minor
{
get
{
return _minor;
}
}
#endregion Public Properties
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public methods
#if !PBTCOMPILER
///
/// Returns a string that represents the current VersionPair object.
/// The string is of the form (major,minor).
///
public override string ToString()
{
StringBuilder stringFormBuilder = new StringBuilder("(");
stringFormBuilder.Append(_major);
stringFormBuilder.Append(",");
stringFormBuilder.Append(_minor);
stringFormBuilder.Append(")");
return stringFormBuilder.ToString();
}
#endif
#endregion
#region Operators
///
/// == comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator ==(VersionPair v1, VersionPair v2)
{
bool result = false;
// If both v1 & v2 are null they are same
if ((Object) v1 == null && (Object) v2 == null)
{
result = true;
}
// Do comparison only if both v1 and v2 are not null
else if ((Object) v1 != null && (Object) v2 != null)
{
if (v1.Major == v2.Major && v1.Minor == v2.Minor)
{
result = true;
}
}
return result;
}
///
/// != comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator !=(VersionPair v1, VersionPair v2)
{
// == is previously define so it can be used
return !(v1 == v2);
}
#if !PBTCOMPILER
///
/// "less than" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator <(VersionPair v1, VersionPair v2)
{
bool result = false;
if ((Object) v1 == null && (Object) v2 != null)
{
result = true;
}
else if ((Object) v1 != null && (object) v2 != null)
{
// == is previously define so it can be used
if (v1.Major < v2.Major || ((v1.Major == v2.Major) && (v1.Minor < v2.Minor)))
{
result = true;
}
}
return result;
}
///
/// "greater than" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator >(VersionPair v1, VersionPair v2)
{
bool result = false;
if ((Object) v1 != null && (Object) v2 == null)
{
result = true;
}
// Comare only if neither v1 nor v2 are not null
else if ((Object) v1 != null && (object) v2 != null)
{
// < and == are previously define so it can be used
if (!(v1 < v2) && v1 != v2)
{
return true;
}
}
return result;
}
///
/// "less than or equal" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator <=(VersionPair v1, VersionPair v2)
{
if (!(v1 > v2))
{
return true;
}
return false;
}
///
/// "greater than or equal" comparison operator
///
/// version to be compared
/// version to be compared
public static bool operator >=(VersionPair v1, VersionPair v2)
{
if (!(v1 < v2))
{
return true;
}
return false;
}
#endif
///
/// Eaual comparison operator
///
/// Object to compare
/// true if the object is equal to this instance
public override bool Equals(Object obj)
{
if (obj == null)
{
return false;
}
if (obj.GetType() != GetType())
{
return false;
}
VersionPair v = (VersionPair) obj;
//PRESHARP:Parameter to this public method must be validated: A null-dereference can occur here.
// Parameter 'v' to this public method must be validated: A null-dereference can occur here.
//This is a false positive as the checks above can gurantee no null dereference will occur
#pragma warning disable 6506
if (this != v)
{
return false;
}
#pragma warning restore 6506
return true;
}
///
/// Hash code
///
public override int GetHashCode()
{
return (_major << 16 + _minor);
}
#if !PBTCOMPILER
///
/// Compare this instance to the object
///
/// Object to compare
/// Less than 0 - This instance is less than obj
/// Zero - This instance is equal to obj
/// Greater than 0 - This instance is greater than obj
public int CompareTo(Object obj)
{
if (obj == null)
{
return 1;
}
if (obj.GetType() != GetType())
{
throw new ArgumentException(SR.Get(SRID.ExpectedVersionPairObject));
}
VersionPair v = (VersionPair) obj;
//PRESHARP:Parameter to this public method must be validated: A null-dereference can occur here.
// Parameter 'v' to this public method must be validated: A null-dereference can occur here.
//This is a false positive as the checks above can gurantee no null dereference will occur
#pragma warning disable 6506
if (this.Equals(obj)) // equal
{
return 0;
}
// less than
else if (this < v)
{
return -1;
}
#pragma warning restore 6506
// greater than
return 1;
}
#endif
#endregion Operators
//-----------------------------------------------------
//
// Public Events
//
//------------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Constructors
//
//-----------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Properties
//
//------------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
// None
//------------------------------------------------------
//
// Internal Events
//
//-----------------------------------------------------
// None
//------------------------------------------------------
//
// Private Methods
//
//-----------------------------------------------------
// None
//-----------------------------------------------------
//
// Private Fields
//
//-----------------------------------------------------
#region Member Variables
private Int16 _major; // Major number
private Int16 _minor; // Minor number
#endregion Member Variables
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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