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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.
namespace Microsoft.Xml.Serialization
{
using System;
using Microsoft.Xml;
using System.Globalization;
using System.ComponentModel;
using System.Diagnostics;
using System.Text;
using System.Collections;
/// <summary>
/// The <see cref="XmlCustomFormatter"/> class provides a set of static methods for converting
/// primitive type values to and from their XML string representations.</summary>
internal class XmlCustomFormatter
{
private XmlCustomFormatter() { }
internal static string FromDefaultValue(object value, string formatter)
{
if (value == null) return null;
Type type = value.GetType();
if (type == typeof(DateTime))
{
if (formatter == "DateTime")
{
return FromDateTime((DateTime)value);
}
if (formatter == "Date")
{
return FromDate((DateTime)value);
}
if (formatter == "Time")
{
return FromTime((DateTime)value);
}
}
else if (type == typeof(string))
{
if (formatter == "XmlName")
{
return FromXmlName((string)value);
}
if (formatter == "XmlNCName")
{
return FromXmlNCName((string)value);
}
if (formatter == "XmlNmToken")
{
return FromXmlNmToken((string)value);
}
if (formatter == "XmlNmTokens")
{
return FromXmlNmTokens((string)value);
}
}
throw new Exception(string.Format(ResXml.XmlUnsupportedDefaultType, type.FullName));
}
internal static string FromDate(DateTime value)
{
return XmlConvert.ToString(value, "yyyy-MM-dd");
}
internal static string FromTime(DateTime value)
{
return XmlConvert.ToString(DateTime.MinValue + value.TimeOfDay, "HH:mm:ss.fffffffzzzzzz");
}
internal static string FromDateTime(DateTime value)
{
return XmlConvert.ToString(value, XmlDateTimeSerializationMode.RoundtripKind);
}
internal static string FromChar(char value)
{
return XmlConvert.ToString((UInt16)value);
}
internal static string FromXmlName(string name)
{
return XmlConvert.EncodeName(name);
}
internal static string FromXmlNCName(string ncName)
{
return XmlConvert.EncodeLocalName(ncName);
}
internal static string FromXmlNmToken(string nmToken)
{
return XmlConvert.EncodeNmToken(nmToken);
}
internal static string FromXmlNmTokens(string nmTokens)
{
if (nmTokens == null)
return null;
if (nmTokens.IndexOf(' ') < 0)
return FromXmlNmToken(nmTokens);
else
{
string[] toks = nmTokens.Split(new char[] { ' ' });
StringBuilder sb = new StringBuilder();
for (int i = 0; i < toks.Length; i++)
{
if (i > 0) sb.Append(' ');
sb.Append(FromXmlNmToken(toks[i]));
}
return sb.ToString();
}
}
internal static void WriteArrayBase64(XmlWriter writer, byte[] inData, int start, int count)
{
if (inData == null || count == 0)
{
return;
}
writer.WriteBase64(inData, start, count);
}
internal static string FromByteArrayHex(byte[] value)
{
if (value == null)
return null;
if (value.Length == 0)
return "";
return XmlConvert.ToBinHexString(value);
}
internal static string FromEnum(long val, string[] vals, long[] ids, string typeName)
{
#if DEBUG
// use exception in the place of Debug.Assert to avoid throwing asserts from a server process such as aspnet_ewp.exe
if (ids.Length != vals.Length) throw new InvalidOperationException(string.Format(ResXml.XmlInternalErrorDetails, "Invalid enum"));
#endif
long originalValue = val;
StringBuilder sb = new StringBuilder();
int iZero = -1;
for (int i = 0; i < ids.Length; i++)
{
if (ids[i] == 0)
{
iZero = i;
continue;
}
if (val == 0)
{
break;
}
if ((ids[i] & originalValue) == ids[i])
{
if (sb.Length != 0)
sb.Append(" ");
sb.Append(vals[i]);
val &= ~ids[i];
}
}
if (val != 0)
{
// failed to parse the enum value
throw new InvalidOperationException(string.Format(ResXml.XmlUnknownConstant, originalValue, typeName == null ? "enum" : typeName));
}
if (sb.Length == 0 && iZero >= 0)
{
sb.Append(vals[iZero]);
}
return sb.ToString();
}
internal static object ToDefaultValue(string value, string formatter)
{
if (formatter == "DateTime")
{
return ToDateTime(value);
}
if (formatter == "Date")
{
return ToDate(value);
}
if (formatter == "Time")
{
return ToTime(value);
}
if (formatter == "XmlName")
{
return ToXmlName(value);
}
if (formatter == "XmlNCName")
{
return ToXmlNCName(value);
}
if (formatter == "XmlNmToken")
{
return ToXmlNmToken(value);
}
if (formatter == "XmlNmTokens")
{
return ToXmlNmTokens(value);
}
throw new Exception(string.Format(ResXml.XmlUnsupportedDefaultValue, formatter));
// Debug.WriteLineIf(CompModSwitches.XmlSerialization.TraceVerbose, "XmlSerialization::Unhandled default value " + value + " formatter " + formatter);
// return DBNull.Value;
}
private static string[] s_allDateTimeFormats = new string[] {
"yyyy-MM-ddTHH:mm:ss.fffffffzzzzzz",
"yyyy",
"---dd",
"---ddZ",
"---ddzzzzzz",
"--MM-dd",
"--MM-ddZ",
"--MM-ddzzzzzz",
"--MM--",
"--MM--Z",
"--MM--zzzzzz",
"yyyy-MM",
"yyyy-MMZ",
"yyyy-MMzzzzzz",
"yyyyzzzzzz",
"yyyy-MM-dd",
"yyyy-MM-ddZ",
"yyyy-MM-ddzzzzzz",
"HH:mm:ss",
"HH:mm:ss.f",
"HH:mm:ss.ff",
"HH:mm:ss.fff",
"HH:mm:ss.ffff",
"HH:mm:ss.fffff",
"HH:mm:ss.ffffff",
"HH:mm:ss.fffffff",
"HH:mm:ssZ",
"HH:mm:ss.fZ",
"HH:mm:ss.ffZ",
"HH:mm:ss.fffZ",
"HH:mm:ss.ffffZ",
"HH:mm:ss.fffffZ",
"HH:mm:ss.ffffffZ",
"HH:mm:ss.fffffffZ",
"HH:mm:sszzzzzz",
"HH:mm:ss.fzzzzzz",
"HH:mm:ss.ffzzzzzz",
"HH:mm:ss.fffzzzzzz",
"HH:mm:ss.ffffzzzzzz",
"HH:mm:ss.fffffzzzzzz",
"HH:mm:ss.ffffffzzzzzz",
"HH:mm:ss.fffffffzzzzzz",
"yyyy-MM-ddTHH:mm:ss",
"yyyy-MM-ddTHH:mm:ss.f",
"yyyy-MM-ddTHH:mm:ss.ff",
"yyyy-MM-ddTHH:mm:ss.fff",
"yyyy-MM-ddTHH:mm:ss.ffff",
"yyyy-MM-ddTHH:mm:ss.fffff",
"yyyy-MM-ddTHH:mm:ss.ffffff",
"yyyy-MM-ddTHH:mm:ss.fffffff",
"yyyy-MM-ddTHH:mm:ssZ",
"yyyy-MM-ddTHH:mm:ss.fZ",
"yyyy-MM-ddTHH:mm:ss.ffZ",
"yyyy-MM-ddTHH:mm:ss.fffZ",
"yyyy-MM-ddTHH:mm:ss.ffffZ",
"yyyy-MM-ddTHH:mm:ss.fffffZ",
"yyyy-MM-ddTHH:mm:ss.ffffffZ",
"yyyy-MM-ddTHH:mm:ss.fffffffZ",
"yyyy-MM-ddTHH:mm:sszzzzzz",
"yyyy-MM-ddTHH:mm:ss.fzzzzzz",
"yyyy-MM-ddTHH:mm:ss.ffzzzzzz",
"yyyy-MM-ddTHH:mm:ss.fffzzzzzz",
"yyyy-MM-ddTHH:mm:ss.ffffzzzzzz",
"yyyy-MM-ddTHH:mm:ss.fffffzzzzzz",
"yyyy-MM-ddTHH:mm:ss.ffffffzzzzzz",
};
private static string[] s_allDateFormats = new string[] {
"yyyy-MM-ddzzzzzz",
"yyyy-MM-dd",
"yyyy-MM-ddZ",
"yyyy",
"---dd",
"---ddZ",
"---ddzzzzzz",
"--MM-dd",
"--MM-ddZ",
"--MM-ddzzzzzz",
"--MM--",
"--MM--Z",
"--MM--zzzzzz",
"yyyy-MM",
"yyyy-MMZ",
"yyyy-MMzzzzzz",
"yyyyzzzzzz",
};
private static string[] s_allTimeFormats = new string[] {
"HH:mm:ss.fffffffzzzzzz",
"HH:mm:ss",
"HH:mm:ss.f",
"HH:mm:ss.ff",
"HH:mm:ss.fff",
"HH:mm:ss.ffff",
"HH:mm:ss.fffff",
"HH:mm:ss.ffffff",
"HH:mm:ss.fffffff",
"HH:mm:ssZ",
"HH:mm:ss.fZ",
"HH:mm:ss.ffZ",
"HH:mm:ss.fffZ",
"HH:mm:ss.ffffZ",
"HH:mm:ss.fffffZ",
"HH:mm:ss.ffffffZ",
"HH:mm:ss.fffffffZ",
"HH:mm:sszzzzzz",
"HH:mm:ss.fzzzzzz",
"HH:mm:ss.ffzzzzzz",
"HH:mm:ss.fffzzzzzz",
"HH:mm:ss.ffffzzzzzz",
"HH:mm:ss.fffffzzzzzz",
"HH:mm:ss.ffffffzzzzzz",
};
internal static DateTime ToDateTime(string value)
{
return XmlConvert.ToDateTime(value, XmlDateTimeSerializationMode.RoundtripKind);
}
internal static DateTime ToDateTime(string value, string[] formats)
{
return XmlConvert.ToDateTime(value, formats);
}
internal static DateTime ToDate(string value)
{
return ToDateTime(value, s_allDateFormats);
}
internal static DateTime ToTime(string value)
{
return DateTime.ParseExact(value, s_allTimeFormats, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite | DateTimeStyles.NoCurrentDateDefault);
}
internal static char ToChar(string value)
{
return (char)XmlConvert.ToUInt16(value);
}
internal static string ToXmlName(string value)
{
return XmlConvert.DecodeName(CollapseWhitespace(value));
}
internal static string ToXmlNCName(string value)
{
return XmlConvert.DecodeName(CollapseWhitespace(value));
}
internal static string ToXmlNmToken(string value)
{
return XmlConvert.DecodeName(CollapseWhitespace(value));
}
internal static string ToXmlNmTokens(string value)
{
return XmlConvert.DecodeName(CollapseWhitespace(value));
}
internal static byte[] ToByteArrayBase64(string value)
{
if (value == null) return null;
value = value.Trim();
if (value.Length == 0)
return new byte[0];
return Convert.FromBase64String(value);
}
internal static byte[] ToByteArrayHex(string value)
{
if (value == null) return null;
value = value.Trim();
return XmlConvert.FromBinHexString(value);
}
internal static long ToEnum(string val, Hashtable vals, string typeName, bool validate)
{
long value = 0;
string[] parts = val.Split(null);
for (int i = 0; i < parts.Length; i++)
{
object id = vals[parts[i]];
if (id != null)
value |= (long)id;
else if (validate && parts[i].Length > 0)
throw new InvalidOperationException(string.Format(ResXml.XmlUnknownConstant, parts[i], typeName));
}
return value;
}
private static string CollapseWhitespace(string value)
{
if (value == null)
return null;
return value.Trim();
}
}
}
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