/// <summary>
/// Adds a pattern converter to the chain.
/// </summary>
/// <param name="pc">The converter to add.</param>
private void AddToList(PatternConverter pc)
{
if (m_head == null)
{
m_head = m_tail = pc;
}
else
{
m_tail.Next = pc;
m_tail = pc;
}
}
/// <summary>
/// Resets the internal state of the parser and adds the specified pattern converter
/// to the chain.
/// </summary>
/// <param name="pc">The pattern converter to add.</param>
protected void AddConverter(PatternConverter pc)
{
m_currentLiteral.Length = 0;
// Add the pattern converter to the list.
AddToList(pc);
// Next pattern is assumed to be a literal.
m_state = LITERAL_STATE;
// Reset formatting info
m_formattingInfo.Reset();
}
/// <summary>
/// Internal method that works on a single option in the
/// pattern
/// </summary>
/// <param name="c">The option specifier.</param>
protected void FinalizeConverter(char c)
{
PatternConverter pc = null;
switch (c)
{
case 'a':
pc = new BasicPatternConverter(m_formattingInfo, APPDOMAIN_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'c':
pc = new LoggerPatternConverter(m_formattingInfo, ExtractPrecisionOption());
m_currentLiteral.Length = 0;
break;
case 'C':
pc = new ClassNamePatternConverter(m_formattingInfo, ExtractPrecisionOption());
m_currentLiteral.Length = 0;
break;
case 'd':
string dateFormatStr = AbsoluteTimeDateFormatter.ISO8601_DATE_FORMAT;
IDateFormatter df;
string dOpt = ExtractOption();
if (dOpt != null)
{
dateFormatStr = dOpt;
}
if (string.Compare(dateFormatStr, AbsoluteTimeDateFormatter.ISO8601_DATE_FORMAT, true, System.Globalization.CultureInfo.InvariantCulture) == 0)
{
df = new ISO8601DateFormatter();
}
else if (string.Compare(dateFormatStr, AbsoluteTimeDateFormatter.ABS_TIME_DATE_FORMAT, true, System.Globalization.CultureInfo.InvariantCulture) == 0)
{
df = new AbsoluteTimeDateFormatter();
}
else if (string.Compare(dateFormatStr, AbsoluteTimeDateFormatter.DATE_AND_TIME_DATE_FORMAT, true, System.Globalization.CultureInfo.InvariantCulture) == 0)
{
df = new DateTimeDateFormatter();
}
else
{
try
{
df = new SimpleDateFormatter(dateFormatStr);
}
catch (Exception e)
{
LogLog.Error("PatternParser: Could not instantiate SimpleDateFormatter with [" + dateFormatStr + "]", e);
df = new ISO8601DateFormatter();
}
}
pc = new DatePatternConverter(m_formattingInfo, df);
m_currentLiteral.Length = 0;
break;
case 'F':
pc = new LocationPatternConverter(m_formattingInfo, FILE_LOCATION_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'l':
pc = new LocationPatternConverter(m_formattingInfo, FULL_LOCATION_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'L':
pc = new LocationPatternConverter(m_formattingInfo, LINE_LOCATION_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'm':
pc = new BasicPatternConverter(m_formattingInfo, MESSAGE_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'M':
pc = new LocationPatternConverter(m_formattingInfo, METHOD_LOCATION_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'p':
pc = new BasicPatternConverter(m_formattingInfo, LEVEL_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'P':
pc = new PropertyPatternConverter(m_formattingInfo, this.ExtractOption());
m_currentLiteral.Length = 0;
break;
case 'r':
pc = new BasicPatternConverter(m_formattingInfo, RELATIVE_TIME_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 't':
pc = new BasicPatternConverter(m_formattingInfo, THREAD_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'u':
pc = new BasicPatternConverter(m_formattingInfo, IDENTITY_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'W':
pc = new BasicPatternConverter(m_formattingInfo, USERNAME_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'x':
pc = new BasicPatternConverter(m_formattingInfo, NDC_CONVERTER);
m_currentLiteral.Length = 0;
break;
case 'X':
pc = new MDCPatternConverter(m_formattingInfo, this.ExtractOption());
m_currentLiteral.Length = 0;
break;
default:
LogLog.Error("PatternParser: Unexpected char [" + c + "] at position [" + m_index + "] in conversion pattern.");
pc = new LiteralPatternConverter(m_currentLiteral.ToString());
m_currentLiteral.Length = 0;
break;
}
AddConverter(pc);
}
/// <summary>
/// Adds a pattern converter to the chain.
/// </summary>
/// <param name="pc">The converter to add.</param>
private void AddToList(PatternConverter pc)
{
if (m_head == null)
{
m_head = m_tail = pc;
}
else
{
m_tail.Next = pc;
m_tail = pc;
}
}
/// <summary>
/// Resets the internal state of the parser and adds the specified pattern converter
/// to the chain.
/// </summary>
/// <param name="pc">The pattern converter to add.</param>
protected void AddConverter(PatternConverter pc)
{
m_currentLiteral.Length = 0;
// Add the pattern converter to the list.
AddToList(pc);
// Next pattern is assumed to be a literal.
m_state = LITERAL_STATE;
// Reset formatting info
m_formattingInfo.Reset();
}
/// <summary>
/// Constructs a PatternLayout using the supplied conversion pattern
/// </summary>
/// <param name="pattern">the pattern to use</param>
public PatternLayout(string pattern)
{
m_pattern = pattern;
m_head = CreatePatternParser((pattern == null) ? DEFAULT_CONVERSION_PATTERN : pattern).Parse();
}