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. 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