Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / Xml / System / Xml / XmlConvert.cs / 4 / XmlConvert.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml { using System.IO; using System.Text; using System.Text.RegularExpressions; using System.Globalization; using System.Xml.Schema; using System.Diagnostics; using System.Collections; // ExceptionType enum is used inside XmlConvert to specify which type of exception should be thrown at some of the verification and exception creating methods internal enum ExceptionType { ArgumentException, XmlException, } public enum XmlDateTimeSerializationMode { Local, Utc, Unspecified, RoundtripKind, } ////// /// Encodes and decodes XML names according to /// the "Encoding of arbitrary Unicode Characters in XML Names" specification. /// public class XmlConvert { internal const int SurHighStart = 0xd800; // 1101 10xx internal const int SurHighEnd = 0xdbff; internal const int SurLowStart = 0xdc00; // 1101 11xx internal const int SurLowEnd = 0xdfff; internal const int SurMask = 0xfc00; // 1111 11xx internal static char[] crt = new char[] {'\n', '\r', '\t'}; ////// /// public static string EncodeName(string name) { return EncodeName(name, true/*Name_not_NmToken*/, false/*Local?*/); } ////// Converts names, such /// as DataTable or /// DataColumn names, that contain characters that are not permitted in /// XML names to valid names. ////// /// public static string EncodeNmToken(string name) { return EncodeName(name, false/*Name_not_NmToken*/, false/*Local?*/); } ///Verifies the name is valid /// according to production [7] in the XML spec. ////// /// public static string EncodeLocalName(string name) { return EncodeName(name, true/*Name_not_NmToken*/, true/*Local?*/); } ///Converts names, such as DataTable or DataColumn names, that contain /// characters that are not permitted in XML names to valid names. ////// /// public static string DecodeName(string name) { if (name == null || name.Length == 0) return name; StringBuilder bufBld = null; int length = name.Length; int copyPosition = 0; int underscorePos = name.IndexOf('_'); MatchCollection mc = null; IEnumerator en = null; if (underscorePos >= 0) { if ( c_DecodeCharPattern == null ) { c_DecodeCharPattern = new Regex("_[Xx]([0-9a-fA-F]{4}|[0-9a-fA-F]{8})_"); } mc = c_DecodeCharPattern.Matches(name, underscorePos); en = mc.GetEnumerator(); } else { return name; } int matchPos = -1; if (en != null && en.MoveNext()) { Match m = (Match)en.Current; matchPos = m.Index; } for (int position = 0; position < length - c_EncodedCharLength + 1; position ++) { if (position == matchPos) { if (en.MoveNext()) { Match m = (Match)en.Current; matchPos = m.Index; } if (bufBld == null) { bufBld = new StringBuilder(length + 20); } bufBld.Append(name, copyPosition, position - copyPosition); if (name[position + 6]!='_') { //_x1234_ Int32 u = FromHex(name[position + 2]) * 0x10000000 + FromHex(name[position + 3]) * 0x1000000 + FromHex(name[position + 4]) * 0x100000 + FromHex(name[position + 5]) * 0x10000 + FromHex(name[position + 6]) * 0x1000 + FromHex(name[position + 7]) * 0x100 + FromHex(name[position + 8]) * 0x10 + FromHex(name[position + 9]); if (u >= 0x00010000) { if (u <= 0x0010ffff) { //convert to two chars copyPosition = position + c_EncodedCharLength + 4; char x = (char) (((u - 0x10000) / 0x400) + 0xd800); char y = (char) ((u - (( x - 0xd800) * 0x400) ) - 0x10000 + 0xdc00); bufBld.Append(x); bufBld.Append(y); } //else bad ucs-4 char dont convert } else { //convert to single char copyPosition = position + c_EncodedCharLength + 4; bufBld.Append((char)u); } position += c_EncodedCharLength - 1 + 4; //just skip } else { copyPosition = position + c_EncodedCharLength; bufBld.Append((char)( FromHex(name[position + 2]) * 0x1000 + FromHex(name[position + 3]) * 0x100 + FromHex(name[position + 4]) * 0x10 + FromHex(name[position + 5]))); position += c_EncodedCharLength - 1; } } } if (copyPosition == 0) { return name; } else { if (copyPosition < length) { bufBld.Append(name, copyPosition, length - copyPosition); } return bufBld.ToString(); } } private static string EncodeName(string name, bool first, bool local) { if (name == null) return name; if (name.Length == 0) { if(!first) throw new XmlException(Res.Xml_InvalidNmToken,name); return name; } StringBuilder bufBld = null; int length = name.Length; int copyPosition = 0; int position = 0; XmlCharType xmlCharType = XmlCharType.Instance; int underscorePos = name.IndexOf('_'); MatchCollection mc = null; IEnumerator en = null; if (underscorePos >= 0) { if ( c_EncodeCharPattern == null ) { c_EncodeCharPattern = new Regex("(?<=_)[Xx]([0-9a-fA-F]{4}|[0-9a-fA-F]{8})_"); } mc = c_EncodeCharPattern.Matches(name, underscorePos); en = mc.GetEnumerator(); } int matchPos = -1; if (en != null && en.MoveNext()) { Match m = (Match)en.Current; matchPos = m.Index - 1; } if (first) { if ( ( !xmlCharType.IsStartNCNameChar( name[0] ) && (local || (!local && name[0] != ':'))) || matchPos == 0) { if (bufBld == null) { bufBld = new StringBuilder(length + 20); } bufBld.Append("_x"); if (length > 1 && name[0] >= 0xd800 && name[0] <= 0xdbff && name[1] >= 0xdc00 && name[1] <= 0xdfff) { int x = name[0]; int y = name[1]; Int32 u = (x - 0xD800) * 0x400 + (y - 0xDC00) + 0x10000; bufBld.Append(u.ToString("X8", CultureInfo.InvariantCulture)); position ++; copyPosition = 2; } else { bufBld.Append(((Int32)name[0]).ToString("X4", CultureInfo.InvariantCulture)); copyPosition = 1; } bufBld.Append("_"); position ++; if (matchPos == 0) if (en.MoveNext()) { Match m = (Match)en.Current; matchPos = m.Index - 1; } } } for (; position < length; position ++) { if ((local && !xmlCharType.IsNCNameChar(name[position])) || (!local && !xmlCharType.IsNameChar(name[position])) || (matchPos == position)) { if (bufBld == null) { bufBld = new StringBuilder(length + 20); } if (matchPos == position) if (en.MoveNext()) { Match m = (Match)en.Current; matchPos = m.Index - 1; } bufBld.Append(name, copyPosition, position - copyPosition); bufBld.Append("_x"); if ((length > position + 1) && name[position] >= 0xd800 && name[position] <= 0xdbff && name[position + 1] >= 0xdc00 && name[position + 1] <= 0xdfff) { int x = name[position]; int y = name[position + 1]; Int32 u = (x - 0xD800) * 0x400 + (y - 0xDC00) + 0x10000; bufBld.Append(u.ToString("X8", CultureInfo.InvariantCulture)); copyPosition = position + 2; position ++; } else { bufBld.Append(((Int32)name[position]).ToString("X4", CultureInfo.InvariantCulture)); copyPosition = position + 1; } bufBld.Append("_"); } } if (copyPosition == 0) { return name; } else { if (copyPosition < length) { bufBld.Append(name, copyPosition, length - copyPosition); } return bufBld.ToString(); } } private static readonly int c_EncodedCharLength = 7; // ("_xFFFF_".Length); private static Regex c_EncodeCharPattern; private static Regex c_DecodeCharPattern; private static int FromHex(char digit) { return(digit <= '9') ? ((int)digit - (int)'0') : (((digit <= 'F') ? ((int)digit - (int)'A') : ((int)digit - (int)'a')) + 10); } internal static byte[] FromBinHexString(string s) { return FromBinHexString(s, true); } internal static byte[] FromBinHexString(string s, bool allowOddCount ) { return BinHexDecoder.Decode(s.ToCharArray(), allowOddCount); } internal static string ToBinHexString(byte[] inArray) { return BinHexEncoder.Encode(inArray, 0, inArray.Length); } ////// Transforms an XML name into an object name (such as DataTable or DataColumn). ////// /// public static unsafe string VerifyName(string name) { if (name == null || name.Length == 0) { throw new ArgumentNullException("name"); } XmlCharType xmlCharType = XmlCharType.Instance; char ch = name[0]; if ((xmlCharType.charProperties[ch] & XmlCharType.fNCStartName) == 0 && ch != ':') { // if (!xmlCharType.IsStartNameChar(name[0])) { throw new XmlException(Res.Xml_BadStartNameChar,XmlException.BuildCharExceptionStr(ch)); } for (int i = 1; i < name.Length; i++) { if ((xmlCharType.charProperties[name[i]] & XmlCharType.fNCName) == 0 && name[i] != ':') { // if (!xmlCharType.IsNameChar(name[i])) { throw new XmlException(Res.Xml_BadNameChar,XmlException.BuildCharExceptionStr(name[i])); } } return name; } internal static Exception TryVerifyName(string name) { if (name == null || name.Length == 0) { return new XmlException(Res.Xml_EmptyName, string.Empty); } XmlCharType xmlCharType = XmlCharType.Instance; char ch = name[0]; if (!xmlCharType.IsStartNameChar(ch) && ch != ':') { return new XmlException(Res.Xml_BadStartNameChar, XmlException.BuildCharExceptionStr(ch)); } for (int i = 1; i < name.Length; i++) { ch = name[i]; if (!xmlCharType.IsNameChar(ch) && ch != ':') { return new XmlException(Res.Xml_BadNameChar, XmlException.BuildCharExceptionStr(ch)); } } return null; } internal static string VerifyQName(string name) { return VerifyQName(name, ExceptionType.XmlException); } internal static unsafe string VerifyQName(string name, ExceptionType exceptionType) { if (name == null || name.Length == 0) { throw new ArgumentException("name"); } XmlCharType xmlCharType = XmlCharType.Instance; int nameLength = name.Length; int position = 0; int colonPosition = -1; Continue: if ((xmlCharType.charProperties[name[position]] & XmlCharType.fNCStartName) != 0) { // if (xmlCharType.IsStartNCNameChar(name[position])) { position ++; while (position < nameLength && (xmlCharType.charProperties[name[position]] & XmlCharType.fNCName) != 0) { // xmlCharType.IsNCNameChar(name[position])) { position ++; } if (position == nameLength) { return name; } if (name[position] == ':') { if (colonPosition == -1) { if (position + 1 < nameLength) { colonPosition = position; position++; goto Continue; } } } } throw CreateException(Res.Xml_BadNameChar, XmlException.BuildCharExceptionStr(name[position]), exceptionType); } ////// ////// /// public static string VerifyNCName(string name) { if (name == null || name.Length == 0) { throw new ArgumentNullException("name"); } return ValidateNames.ParseNCNameThrow(name); } internal static Exception TryVerifyNCName(string name) { int len = ValidateNames.ParseNCName(name, 0); if (len == 0 || len != name.Length) { return ValidateNames.GetInvalidNameException(name, 0, len); } return null; } ////// ////// /// public static string VerifyTOKEN(string token) { if (token == null || token.Length == 0) { return token; } if (token[0] == ' ' || token[token.Length - 1] == ' ' || token.IndexOfAny(crt) != -1 || token.IndexOf(" ", StringComparison.Ordinal) != -1) { throw new XmlException(Res.Sch_NotTokenString, token); } return token; } internal static Exception TryVerifyTOKEN(string token) { if (token == null || token.Length == 0) { return null; } if (token[0] == ' ' || token[token.Length - 1] == ' ' || token.IndexOfAny(crt) != -1 || token.IndexOf(" ", StringComparison.Ordinal) != -1) { return new XmlException(Res.Sch_NotTokenString, token); } return null; } ////// ////// /// public static string VerifyNMTOKEN(string name) { return VerifyNMTOKEN(name, ExceptionType.XmlException); } internal static string VerifyNMTOKEN(string name, ExceptionType exceptionType) { if (name == null) { throw new ArgumentNullException("name"); } if (name.Length == 0) { throw CreateException(Res.Xml_InvalidNmToken, name, exceptionType); } XmlCharType xmlCharType = XmlCharType.Instance; for (int i = 0; i < name.Length; i++) { if (!xmlCharType.IsNameChar(name[i])) { throw CreateException(Res.Xml_BadNameChar, XmlException.BuildCharExceptionStr(name[i]), exceptionType); } } return name; } internal static Exception TryVerifyNMTOKEN(string name) { if (name == null || name.Length == 0) { return new XmlException(Res.Xml_EmptyName, string.Empty); } XmlCharType xmlCharType = XmlCharType.Instance; for (int i = 0; i < name.Length; i++) { if (!xmlCharType.IsNameChar(name[i])) { return new XmlException(Res.Xml_BadNameChar, XmlException.BuildCharExceptionStr(name[i])); } } return null; } internal static string VerifyNormalizedString(string str) { if (str.IndexOfAny(crt) != -1) { throw new XmlSchemaException(Res.Sch_NotNormalizedString, str); } return str; } internal static Exception TryVerifyNormalizedString(string str) { if (str.IndexOfAny(crt) != -1) { return new XmlSchemaException(Res.Sch_NotNormalizedString, str); } return null; } // Value convertors: // // String representation of Base types in XML (xsd) sometimes differ from // one common language runtime offer and for all types it has to be locale independent. // o -- means that XmlConvert pass through to common language runtime converter with InvariantInfo FormatInfo // x -- means we doing something special to make a convertion. // // From: To: Bol Chr SBy Byt I16 U16 I32 U32 I64 U64 Sgl Dbl Dec Dat Tim Str uid // ----------------------------------------------------------------------------- // Boolean x // Char o // SByte o // Byte o // Int16 o // UInt16 o // Int32 o // UInt32 o // Int64 o // UInt64 o // Single x // Double x // Decimal o // DateTime x // String x o o o o o o o o o o x x o o x // Guid x // ----------------------------------------------------------------------------- ////// ////// /// public static string ToString(Boolean value) { return value ? "true" : "false"; } ///[To be supplied.] ////// /// public static string ToString(Char value) { return value.ToString(null); } ///[To be supplied.] ////// /// public static string ToString(Decimal value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static string ToString(SByte value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(Int16 value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(Int32 value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(Int64 value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(Byte value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static string ToString(UInt16 value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static string ToString(UInt32 value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static string ToString(UInt64 value) { return value.ToString(null, NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(Single value) { if (Single.IsNegativeInfinity(value)) return "-INF"; if (Single.IsPositiveInfinity(value)) return "INF"; if (IsNegativeZero((double)value)) { return("-0"); } return value.ToString("R", NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(Double value) { if (Double.IsNegativeInfinity(value)) return "-INF"; if (Double.IsPositiveInfinity(value)) return "INF"; if (IsNegativeZero(value)) { return("-0"); } return value.ToString("R", NumberFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(TimeSpan value) { return new XsdDuration(value).ToString(); } ///[To be supplied.] ////// /// [Obsolete("Use XmlConvert.ToString() that takes in XmlDateTimeSerializationMode")] public static string ToString(DateTime value) { return ToString(value, "yyyy-MM-ddTHH:mm:ss.fffffffzzzzzz"); } ///[To be supplied.] ////// /// public static string ToString(DateTime value, string format) { return value.ToString(format, DateTimeFormatInfo.InvariantInfo); } ///[To be supplied.] ////// /// public static string ToString(DateTime value, XmlDateTimeSerializationMode dateTimeOption) { switch(dateTimeOption) { case XmlDateTimeSerializationMode.Local: value = SwitchToLocalTime(value); break; case XmlDateTimeSerializationMode.Utc: value = SwitchToUtcTime(value); break; case XmlDateTimeSerializationMode.Unspecified: value = new DateTime(value.Ticks, DateTimeKind.Unspecified); break; case XmlDateTimeSerializationMode.RoundtripKind: break; default: throw new ArgumentException(Res.GetString(Res.Sch_InvalidDateTimeOption, dateTimeOption)); } XsdDateTime xsdDateTime = new XsdDateTime(value, XsdDateTimeFlags.DateTime); return xsdDateTime.ToString(); } public static string ToString(DateTimeOffset value) { XsdDateTime xsdDateTime = new XsdDateTime(value); return xsdDateTime.ToString(); } public static string ToString(DateTimeOffset value, string format) { return value.ToString( format, DateTimeFormatInfo.InvariantInfo ); } ///[To be supplied.] ////// /// public static string ToString(Guid value) { return value.ToString(); } ///[To be supplied.] ////// /// public static Boolean ToBoolean (string s) { s = TrimString(s); if (s == "1" || s == "true" ) return true; if (s == "0" || s == "false") return false; throw new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Boolean")); } internal static Exception TryToBoolean(string s, out Boolean result) { s = TrimString(s); if (s == "0" || s == "false") { result = false; return null; } else if (s == "1" || s == "true") { result = true; return null; } result = false; return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Boolean")); } ///[To be supplied.] ////// /// public static Char ToChar (string s) { return Char.Parse(s); } internal static Exception TryToChar(string s, out Char result) { if (!Char.TryParse(s, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Char")); } return null; } ///[To be supplied.] ////// /// public static Decimal ToDecimal (string s) { return Decimal.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowDecimalPoint|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToDecimal(string s, out Decimal result) { if (!Decimal.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowDecimalPoint|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Decimal")); } return null; } internal static Decimal ToInteger (string s) { return Decimal.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToInteger(string s, out Decimal result) { if (!Decimal.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Integer")); } return null; } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static SByte ToSByte (string s) { return SByte.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToSByte(string s, out SByte result) { if (!SByte.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "SByte")); } return null; } ///[To be supplied.] ////// /// public static Int16 ToInt16 (string s) { return Int16.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToInt16(string s, out Int16 result) { if (!Int16.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Int16")); } return null; } ///[To be supplied.] ////// /// public static Int32 ToInt32 (string s) { return Int32.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToInt32(string s, out Int32 result) { if (!Int32.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Int32")); } return null; } ///[To be supplied.] ////// /// public static Int64 ToInt64 (string s) { return Int64.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToInt64(string s, out Int64 result) { if (!Int64.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Int64")); } return null; } ///[To be supplied.] ////// /// public static Byte ToByte (string s) { return Byte.Parse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToByte(string s, out Byte result) { if (!Byte.TryParse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Byte")); } return null; } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static UInt16 ToUInt16 (string s) { return UInt16.Parse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToUInt16(string s, out UInt16 result) { if (!UInt16.TryParse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "UInt16")); } return null; } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static UInt32 ToUInt32 (string s) { return UInt32.Parse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToUInt32(string s, out UInt32 result) { if (!UInt32.TryParse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "UInt32")); } return null; } ///[To be supplied.] ////// /// [CLSCompliant(false)] public static UInt64 ToUInt64 (string s) { return UInt64.Parse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); } internal static Exception TryToUInt64(string s, out UInt64 result) { if (!UInt64.TryParse(s, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "UInt64")); } return null; } ///[To be supplied.] ////// /// public static Single ToSingle (string s) { s = TrimString(s); if(s == "-INF") return Single.NegativeInfinity; if(s == "INF") return Single.PositiveInfinity; float f = Single.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowDecimalPoint|NumberStyles.AllowExponent, NumberFormatInfo.InvariantInfo); if (f == 0 && s[0] == '-') { return -0f; } return f; } internal static Exception TryToSingle(string s, out Single result) { s = TrimString(s); if (s == "-INF") { result = Single.NegativeInfinity; return null; } else if (s == "INF") { result = Single.PositiveInfinity; return null; } else if (!Single.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowDecimalPoint|NumberStyles.AllowExponent, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Single")); } if (result == 0 && s[0] == '-') { result = -0f; } return null; } ///[To be supplied.] ////// /// public static Double ToDouble(string s) { s = TrimString(s); if(s == "-INF") return Double.NegativeInfinity; if(s == "INF") return Double.PositiveInfinity; double dVal = Double.Parse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowDecimalPoint|NumberStyles.AllowExponent|NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo); if (dVal == 0 && s[0] == '-') { return -0d; } return dVal; } internal static Exception TryToDouble (string s, out double result) { s = TrimString(s); if (s == "-INF") { result = Double.NegativeInfinity; return null; } else if (s == "INF") { result = Double.PositiveInfinity; return null; } else if (!Double.TryParse(s, NumberStyles.AllowLeadingSign|NumberStyles.AllowDecimalPoint|NumberStyles.AllowExponent, NumberFormatInfo.InvariantInfo, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Double")); } if (result == 0 && s[0] == '-') { result = -0d; } return null; } internal static Double ToXPathDouble (Object o) { string str = o as string; if (str != null) { str = TrimString(str); if (str.Length != 0 && str[0] != '+') { double d; if (Double.TryParse(str, NumberStyles.AllowLeadingSign|NumberStyles.AllowDecimalPoint|NumberStyles.AllowTrailingWhite, NumberFormatInfo.InvariantInfo, out d)) { return d; } } return Double.NaN; } if (o is double) { return (double) o; } if (o is bool) { return ((bool) o) ? 1.0 : 0.0; } try { return Convert.ToDouble(o, NumberFormatInfo.InvariantInfo); } catch ( FormatException ) { } catch ( OverflowException ) { } catch ( ArgumentNullException ) {} return Double.NaN; } internal static String ToXPathString(Object value){ string s = value as string; if ( s != null ) { return s; } else if ( value is double ) { return ((double)value).ToString("R", NumberFormatInfo.InvariantInfo); } else if ( value is bool ) { return (bool)value ? "true" : "false"; } else { return Convert.ToString(value, NumberFormatInfo.InvariantInfo); } } internal static Double XPathRound(Double value) { double temp = Math.Round(value); return (value - temp == 0.5) ? temp + 1 : temp; } ///[To be supplied.] ////// /// public static TimeSpan ToTimeSpan(string s) { XsdDuration duration; TimeSpan timeSpan; try { duration = new XsdDuration(s); } catch (Exception) { // Remap exception for v1 compatibility throw new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "TimeSpan")); } timeSpan = duration.ToTimeSpan(); return timeSpan; } internal static Exception TryToTimeSpan(string s, out TimeSpan result) { XsdDuration duration; Exception exception; exception = XsdDuration.TryParse(s, out duration); if (exception != null) { result = TimeSpan.MinValue; return exception; } else { return duration.TryToTimeSpan(out result); } } // use AllDateTimeFormats property to access the formats static string[] s_allDateTimeFormats; // static string[] AllDateTimeFormats { get { if ( s_allDateTimeFormats == null ) { CreateAllDateTimeFormats(); } return s_allDateTimeFormats; } } static void CreateAllDateTimeFormats() { if ( s_allDateTimeFormats == null ) { // no locking; the array is immutable so it's not a problem that it may get initialized more than once s_allDateTimeFormats = new string[] { "yyyy-MM-ddTHH:mm:ss.FFFFFFFzzzzzz", //dateTime "yyyy-MM-ddTHH:mm:ss.FFFFFFF", "yyyy-MM-ddTHH:mm:ss.FFFFFFFZ", "HH:mm:ss.FFFFFFF", //time "HH:mm:ss.FFFFFFFZ", "HH:mm:ss.FFFFFFFzzzzzz", "yyyy-MM-dd", // date "yyyy-MM-ddZ", "yyyy-MM-ddzzzzzz", "yyyy-MM", // yearMonth "yyyy-MMZ", "yyyy-MMzzzzzz", "yyyy", // year "yyyyZ", "yyyyzzzzzz", "--MM-dd", // monthDay "--MM-ddZ", "--MM-ddzzzzzz", "---dd", // day "---ddZ", "---ddzzzzzz", "--MM--", // month "--MM--Z", "--MM--zzzzzz", }; } } ///[To be supplied.] ////// /// [Obsolete("Use XmlConvert.ToDateTime() that takes in XmlDateTimeSerializationMode")] public static DateTime ToDateTime(string s) { return ToDateTime(s, AllDateTimeFormats); } ///[To be supplied.] ////// /// public static DateTime ToDateTime(string s, string format) { return DateTime.ParseExact(s, format, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowLeadingWhite|DateTimeStyles.AllowTrailingWhite); } ///[To be supplied.] ////// /// public static DateTime ToDateTime(string s, string[] formats) { return DateTime.ParseExact(s, formats, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowLeadingWhite|DateTimeStyles.AllowTrailingWhite); } ///[To be supplied.] ////// /// public static DateTime ToDateTime(string s, XmlDateTimeSerializationMode dateTimeOption) { XsdDateTime xsdDateTime = new XsdDateTime(s, XsdDateTimeFlags.AllXsd); DateTime dt = (DateTime)xsdDateTime; switch (dateTimeOption) { case XmlDateTimeSerializationMode.Local: dt = SwitchToLocalTime(dt); break; case XmlDateTimeSerializationMode.Utc: dt = SwitchToUtcTime(dt); break; case XmlDateTimeSerializationMode.Unspecified: dt = new DateTime(dt.Ticks, DateTimeKind.Unspecified); break; case XmlDateTimeSerializationMode.RoundtripKind: break; default: throw new ArgumentException(Res.GetString(Res.Sch_InvalidDateTimeOption, dateTimeOption)); } return dt; } public static DateTimeOffset ToDateTimeOffset(string s) { if (s == null) { throw new ArgumentNullException("s"); } XsdDateTime xsdDateTime = new XsdDateTime(s, XsdDateTimeFlags.AllXsd); DateTimeOffset dateTimeOffset = (DateTimeOffset)xsdDateTime; return dateTimeOffset; } public static DateTimeOffset ToDateTimeOffset(string s, string format) { if ( s == null ) { throw new ArgumentNullException( "s" ); } return DateTimeOffset.ParseExact( s, format, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite ); } public static DateTimeOffset ToDateTimeOffset(string s, string[] formats) { if ( s == null ) { throw new ArgumentNullException( "s" ); } return DateTimeOffset.ParseExact( s, formats, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite ); } ///[To be supplied.] ////// /// public static Guid ToGuid (string s) { return new Guid(s); } internal static Exception TryToGuid(string s, out Guid result) { Exception exception = null; result = Guid.Empty; try { result = new Guid(s); } catch (ArgumentException) { exception = new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Guid")); } catch (FormatException) { exception = new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Guid")); } return exception; } private static DateTime SwitchToLocalTime(DateTime value) { switch (value.Kind) { case DateTimeKind.Local: return value; case DateTimeKind.Unspecified: return new DateTime(value.Ticks, DateTimeKind.Local); case DateTimeKind.Utc: return value.ToLocalTime(); } return value; } private static DateTime SwitchToUtcTime(DateTime value) { switch (value.Kind) { case DateTimeKind.Utc: return value; case DateTimeKind.Unspecified: return new DateTime(value.Ticks, DateTimeKind.Utc); case DateTimeKind.Local: return value.ToUniversalTime(); } return value; } internal static Uri ToUri(string s) { if (s != null && s.Length > 0) { //string.Empty is a valid uri but not " " s = TrimString(s); if (s.Length == 0 || s.IndexOf("##", StringComparison.Ordinal) != -1) { throw new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Uri")); } } Uri uri; if (!Uri.TryCreate(s, UriKind.RelativeOrAbsolute, out uri)) { throw new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Uri")); } return uri; } internal static Exception TryToUri(string s, out Uri result) { result = null; if (s != null && s.Length > 0) { //string.Empty is a valid uri but not " " s = TrimString(s); if (s.Length == 0 || s.IndexOf("##", StringComparison.Ordinal) != -1) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Uri")); } } if (!Uri.TryCreate(s, UriKind.RelativeOrAbsolute, out result)) { return new FormatException(Res.GetString(Res.XmlConvert_BadFormat, s, "Uri")); } return null; } // Compares the given character interval and string and returns true if the characters are identical internal static bool StrEqual( char[] chars, int strPos1, int strLen1, string str2 ) { if ( strLen1 != str2.Length ) { return false; } int i = 0; while ( i < strLen1 && chars[strPos1+i] == str2[i] ) { i++; } return i == strLen1; } // XML whitespace characters,[To be supplied.] ///http://www.w3.org/TR/REC-xml#NT-S internal static readonly char[] WhitespaceChars = new char[] { ' ', '\t', '\n', '\r' }; // Trim a string using XML whitespace characters internal static string TrimString(string value) { return value.Trim(WhitespaceChars); } // Split a string into a whitespace-separated list of tokens internal static string[] SplitString(string value) { return value.Split(WhitespaceChars, StringSplitOptions.RemoveEmptyEntries); } internal static bool IsNegativeZero(double value) { // Simple equals function will report that -0 is equal to +0, so compare bits instead if (value == 0 && BitConverter.DoubleToInt64Bits(value) == BitConverter.DoubleToInt64Bits(-0e0)) { return true; } return false; } internal static unsafe void VerifyCharData( string data, ExceptionType exceptionType ) { if ( data == null || data.Length == 0 ) { return; } XmlCharType xmlCharType = XmlCharType.Instance; int i = 0; int len = data.Length; for (;;) { while ( i < len && ( xmlCharType.charProperties[data[i]] & XmlCharType.fCharData ) != 0 ) { i++; } if ( i == len ) { return; } char ch = data[i]; if ( ch >= SurHighStart && ch <= SurHighEnd ) { if ( i + 1 == len ) { throw CreateException( Res.Xml_InvalidSurrogateMissingLowChar, exceptionType ); } ch = data[i+1]; if ( ch >= SurLowStart && ch <= SurLowEnd ) { i += 2; continue; } else { throw CreateInvalidSurrogatePairException( data[i+1], data[i], exceptionType ); } } throw CreateInvalidCharException( data[i] ); } } internal static unsafe void VerifyCharData( char[] data, int offset, int len, ExceptionType exceptionType ) { if ( data == null || len == 0 ) { return; } XmlCharType xmlCharType = XmlCharType.Instance; int i = offset; int endPos = offset + len; for (;;) { while ( i < endPos && ( xmlCharType.charProperties[data[i]] & XmlCharType.fCharData ) != 0 ) { i++; } if ( i == endPos ) { return; } char ch = data[i]; if ( ch >= SurHighStart && ch <= SurHighEnd ) { if ( i + 1 == endPos ) { throw CreateException( Res.Xml_InvalidSurrogateMissingLowChar, exceptionType ); } ch = data[i+1]; if ( ch >= SurLowStart && ch <= SurLowEnd ) { i += 2; continue; } else { throw CreateInvalidSurrogatePairException( data[i+1], data[i], exceptionType ); } } throw CreateInvalidCharException( data[i] ); } } internal static string EscapeValueForDebuggerDisplay( string value ) { StringBuilder sb = null; int i = 0; int start = 0; while ( i < value.Length ) { char ch = value[i]; if ( (int)ch < 0x20 || ch == '"' ) { if ( sb == null ) { sb = new StringBuilder( value.Length + 4 ); } if ( i - start > 0 ) { sb.Append( value, start, i - start ); } start = i + 1; switch ( ch ) { case '"': sb.Append( "\\\"" ); break; case '\r': sb.Append( "\\r" ); break; case '\n': sb.Append( "\\n" ); break; case '\t': sb.Append( "\\t" ); break; default: sb.Append( ch ); break; } } i++; } if ( sb == null ) { return value; } if ( i - start > 0 ) { sb.Append( value, start, i - start ); } return sb.ToString(); } internal static Exception CreateException( string res, ExceptionType exceptionType ) { switch ( exceptionType ) { case ExceptionType.ArgumentException: return new ArgumentException( Res.GetString( res ) ); case ExceptionType.XmlException: default: return new XmlException( res, string.Empty ); } } internal static Exception CreateException( string res, string arg, ExceptionType exceptionType ) { switch ( exceptionType ) { case ExceptionType.ArgumentException: return new ArgumentException( Res.GetString( res, arg ) ); case ExceptionType.XmlException: default: return new XmlException( res, arg ); } } internal static Exception CreateException( string res, string[] args, ExceptionType exceptionType ) { switch ( exceptionType ) { case ExceptionType.ArgumentException: return new ArgumentException( Res.GetString( res, args ) ); case ExceptionType.XmlException: default: return new XmlException( res, args ); } } internal static Exception CreateInvalidSurrogatePairException( char low, char hi ) { return CreateInvalidSurrogatePairException( low, hi, ExceptionType.ArgumentException ); } internal static Exception CreateInvalidSurrogatePairException( char low, char hi, ExceptionType exceptionType ) { string[] args = new string[] { ((uint)hi).ToString( "X", CultureInfo.InvariantCulture ), ((uint)low).ToString( "X", CultureInfo.InvariantCulture ) } ; return CreateException( Res.Xml_InvalidSurrogatePairWithArgs, args, exceptionType ); } internal static Exception CreateInvalidHighSurrogateCharException( char hi ) { return CreateInvalidHighSurrogateCharException( hi, ExceptionType.ArgumentException ); } internal static Exception CreateInvalidHighSurrogateCharException( char hi, ExceptionType exceptionType ) { return CreateException( Res.Xml_InvalidSurrogateHighChar, ((uint)hi).ToString( "X", CultureInfo.InvariantCulture ), exceptionType ); } internal static Exception CreateInvalidCharException( char invChar ) { return CreateInvalidCharException( invChar, ExceptionType.ArgumentException ); } internal static Exception CreateInvalidCharException( char invChar, ExceptionType exceptionType ) { return CreateException( Res.Xml_InvalidCharacter, XmlException.BuildCharExceptionStr( invChar ), exceptionType ); } internal static ArgumentException CreateInvalidNameArgumentException( string name, string argumentName ) { return ( name == null ) ? new ArgumentNullException( argumentName ) : new ArgumentException( Res.GetString( Res.Xml_EmptyName ), argumentName ); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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