diff options
Diffstat (limited to 'src/mscorlib/src/System/Boolean.cs')
| -rw-r--r-- | src/mscorlib/src/System/Boolean.cs | 351 |
1 files changed, 192 insertions, 159 deletions
diff --git a/src/mscorlib/src/System/Boolean.cs b/src/mscorlib/src/System/Boolean.cs index c085b0a020..fe25e22920 100644 --- a/src/mscorlib/src/System/Boolean.cs +++ b/src/mscorlib/src/System/Boolean.cs @@ -11,105 +11,113 @@ ** ** ===========================================================*/ -namespace System { - - using System; - using System.Globalization; - using System.Diagnostics.Contracts; + +using System; +using System.Globalization; +using System.Diagnostics.Contracts; + +namespace System +{ // The Boolean class provides the // object representation of the boolean primitive type. [Serializable] - public struct Boolean : IComparable, IConvertible, IComparable<Boolean>, IEquatable<Boolean> + public struct Boolean : IComparable, IConvertible, IComparable<Boolean>, IEquatable<Boolean> { - - // - // Member Variables - // - private bool m_value; - - // The true value. - // - internal const int True = 1; - - // The false value. - // - internal const int False = 0; - - - // - // Internal Constants are real consts for performance. - // - - // The internal string representation of true. - // - internal const String TrueLiteral = "True"; - - // The internal string representation of false. - // - internal const String FalseLiteral = "False"; - - - // - // Public Constants - // - - // The public string representation of true. - // - public static readonly String TrueString = TrueLiteral; - - // The public string representation of false. - // - public static readonly String FalseString = FalseLiteral; - - // - // Overriden Instance Methods - // - /*=================================GetHashCode================================== - **Args: None - **Returns: 1 or 0 depending on whether this instance represents true or false. - **Exceptions: None - **Overriden From: Value - ==============================================================================*/ - // Provides a hash code for this instance. - public override int GetHashCode() { - return (m_value)?True:False; - } - - /*===================================ToString=================================== - **Args: None - **Returns: "True" or "False" depending on the state of the boolean. - **Exceptions: None. - ==============================================================================*/ - // Converts the boolean value of this instance to a String. - public override String ToString() { - if (false == m_value) { - return FalseLiteral; + // + // Member Variables + // + private bool m_value; + + // The true value. + // + internal const int True = 1; + + // The false value. + // + internal const int False = 0; + + + // + // Internal Constants are real consts for performance. + // + + // The internal string representation of true. + // + internal const String TrueLiteral = "True"; + + // The internal string representation of false. + // + internal const String FalseLiteral = "False"; + + + // + // Public Constants + // + + // The public string representation of true. + // + public static readonly String TrueString = TrueLiteral; + + // The public string representation of false. + // + public static readonly String FalseString = FalseLiteral; + + // + // Overriden Instance Methods + // + /*=================================GetHashCode================================== + **Args: None + **Returns: 1 or 0 depending on whether this instance represents true or false. + **Exceptions: None + **Overriden From: Value + ==============================================================================*/ + // Provides a hash code for this instance. + public override int GetHashCode() + { + return (m_value) ? True : False; } - return TrueLiteral; - } - public String ToString(IFormatProvider provider) { - if (false == m_value) { - return FalseLiteral; + /*===================================ToString=================================== + **Args: None + **Returns: "True" or "False" depending on the state of the boolean. + **Exceptions: None. + ==============================================================================*/ + // Converts the boolean value of this instance to a String. + public override String ToString() + { + if (false == m_value) + { + return FalseLiteral; + } + return TrueLiteral; } - return TrueLiteral; - } - - // Determines whether two Boolean objects are equal. - public override bool Equals (Object obj) { - //If it's not a boolean, we're definitely not equal - if (!(obj is Boolean)) { - return false; + + public String ToString(IFormatProvider provider) + { + if (false == m_value) + { + return FalseLiteral; + } + return TrueLiteral; } - - return (m_value==((Boolean)obj).m_value); - } - [System.Runtime.Versioning.NonVersionable] - public bool Equals(Boolean obj) - { - return m_value == obj; - } + // Determines whether two Boolean objects are equal. + public override bool Equals(Object obj) + { + //If it's not a boolean, we're definitely not equal + if (!(obj is Boolean)) + { + return false; + } + + return (m_value == ((Boolean)obj).m_value); + } + + [System.Runtime.Versioning.NonVersionable] + public bool Equals(Boolean obj) + { + return m_value == obj; + } // Compares this object to another object, returning an integer that // indicates the relationship. For booleans, false sorts before true. @@ -118,63 +126,80 @@ namespace System { // // Returns a value less than zero if this object // - public int CompareTo(Object obj) { - if (obj==null) { + public int CompareTo(Object obj) + { + if (obj == null) + { return 1; } - if (!(obj is Boolean)) { - throw new ArgumentException (Environment.GetResourceString("Arg_MustBeBoolean")); + if (!(obj is Boolean)) + { + throw new ArgumentException(SR.Arg_MustBeBoolean); } - - if (m_value==((Boolean)obj).m_value) { + + if (m_value == ((Boolean)obj).m_value) + { return 0; - } else if (m_value==false) { + } + else if (m_value == false) + { return -1; } return 1; } - public int CompareTo(Boolean value) { - if (m_value==value) { + public int CompareTo(Boolean value) + { + if (m_value == value) + { return 0; - } else if (m_value==false) { + } + else if (m_value == false) + { return -1; } - return 1; + return 1; } - + // // Static Methods // - + // Determines whether a String represents true or false. // - public static Boolean Parse (String value) { - if (value==null) throw new ArgumentNullException(nameof(value)); + public static Boolean Parse(String value) + { + if (value == null) throw new ArgumentNullException(nameof(value)); Contract.EndContractBlock(); Boolean result = false; - if (!TryParse(value, out result)) { - throw new FormatException(Environment.GetResourceString("Format_BadBoolean")); + if (!TryParse(value, out result)) + { + throw new FormatException(SR.Format_BadBoolean); } - else { + else + { return result; } } // Determines whether a String represents true or false. // - public static Boolean TryParse (String value, out Boolean result) { + public static Boolean TryParse(String value, out Boolean result) + { result = false; - if (value==null) { + if (value == null) + { return false; } // For perf reasons, let's first see if they're equal, then do the // trim to get rid of white space, and check again. - if (TrueLiteral.Equals(value, StringComparison.OrdinalIgnoreCase)) { + if (TrueLiteral.Equals(value, StringComparison.OrdinalIgnoreCase)) + { result = true; return true; } - if (FalseLiteral.Equals(value,StringComparison.OrdinalIgnoreCase)) { + if (FalseLiteral.Equals(value, StringComparison.OrdinalIgnoreCase)) + { result = false; return true; } @@ -182,122 +207,130 @@ namespace System { // Special case: Trim whitespace as well as null characters. value = TrimWhiteSpaceAndNull(value); - if (TrueLiteral.Equals(value, StringComparison.OrdinalIgnoreCase)) { + if (TrueLiteral.Equals(value, StringComparison.OrdinalIgnoreCase)) + { result = true; return true; } - - if (FalseLiteral.Equals(value,StringComparison.OrdinalIgnoreCase)) { + + if (FalseLiteral.Equals(value, StringComparison.OrdinalIgnoreCase)) + { result = false; return true; } - + return false; } - private static String TrimWhiteSpaceAndNull(String value) { + private static String TrimWhiteSpaceAndNull(String value) + { int start = 0; - int end = value.Length-1; - char nullChar = (char) 0x0000; + int end = value.Length - 1; + char nullChar = (char)0x0000; - while (start < value.Length) { - if (!Char.IsWhiteSpace(value[start]) && value[start] != nullChar) { + while (start < value.Length) + { + if (!Char.IsWhiteSpace(value[start]) && value[start] != nullChar) + { break; } start++; } - while (end >= start) { - if (!Char.IsWhiteSpace(value[end]) && value[end] != nullChar) { + while (end >= start) + { + if (!Char.IsWhiteSpace(value[end]) && value[end] != nullChar) + { break; } - end--; + end--; } return value.Substring(start, end - start + 1); - } + } // // IConvertible implementation // - - public TypeCode GetTypeCode() { + + public TypeCode GetTypeCode() + { return TypeCode.Boolean; } - /// <internalonly/> - bool IConvertible.ToBoolean(IFormatProvider provider) { + bool IConvertible.ToBoolean(IFormatProvider provider) + { return m_value; } - /// <internalonly/> - char IConvertible.ToChar(IFormatProvider provider) { - throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", "Boolean", "Char")); + char IConvertible.ToChar(IFormatProvider provider) + { + throw new InvalidCastException(SR.Format(SR.InvalidCast_FromTo, "Boolean", "Char")); } - /// <internalonly/> - sbyte IConvertible.ToSByte(IFormatProvider provider) { + sbyte IConvertible.ToSByte(IFormatProvider provider) + { return Convert.ToSByte(m_value); } - /// <internalonly/> - byte IConvertible.ToByte(IFormatProvider provider) { + byte IConvertible.ToByte(IFormatProvider provider) + { return Convert.ToByte(m_value); } - /// <internalonly/> - short IConvertible.ToInt16(IFormatProvider provider) { + short IConvertible.ToInt16(IFormatProvider provider) + { return Convert.ToInt16(m_value); } - /// <internalonly/> - ushort IConvertible.ToUInt16(IFormatProvider provider) { + ushort IConvertible.ToUInt16(IFormatProvider provider) + { return Convert.ToUInt16(m_value); } - /// <internalonly/> - int IConvertible.ToInt32(IFormatProvider provider) { + int IConvertible.ToInt32(IFormatProvider provider) + { return Convert.ToInt32(m_value); } - /// <internalonly/> - uint IConvertible.ToUInt32(IFormatProvider provider) { + uint IConvertible.ToUInt32(IFormatProvider provider) + { return Convert.ToUInt32(m_value); } - /// <internalonly/> - long IConvertible.ToInt64(IFormatProvider provider) { + long IConvertible.ToInt64(IFormatProvider provider) + { return Convert.ToInt64(m_value); } - /// <internalonly/> - ulong IConvertible.ToUInt64(IFormatProvider provider) { + ulong IConvertible.ToUInt64(IFormatProvider provider) + { return Convert.ToUInt64(m_value); } - /// <internalonly/> - float IConvertible.ToSingle(IFormatProvider provider) { + float IConvertible.ToSingle(IFormatProvider provider) + { return Convert.ToSingle(m_value); } - /// <internalonly/> - double IConvertible.ToDouble(IFormatProvider provider) { + double IConvertible.ToDouble(IFormatProvider provider) + { return Convert.ToDouble(m_value); } - /// <internalonly/> - Decimal IConvertible.ToDecimal(IFormatProvider provider) { + Decimal IConvertible.ToDecimal(IFormatProvider provider) + { return Convert.ToDecimal(m_value); } - /// <internalonly/> - DateTime IConvertible.ToDateTime(IFormatProvider provider) { - throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", "Boolean", "DateTime")); + DateTime IConvertible.ToDateTime(IFormatProvider provider) + { + throw new InvalidCastException(SR.Format(SR.InvalidCast_FromTo, "Boolean", "DateTime")); } - /// <internalonly/> - Object IConvertible.ToType(Type type, IFormatProvider provider) { + Object IConvertible.ToType(Type type, IFormatProvider provider) + { return Convert.DefaultToType((IConvertible)this, type, provider); } } |