/
LogFilter.cs
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/
LogFilter.cs
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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace yald
{
public enum FilterOperator
{
Equal,
NotEqual,
Greater,
Lower,
GreaterAndEqual,
LowerAndEqual,
Contains,
NotContains
}
public enum FilterSection
{
LogTypeSection,
TagSection,
PidSection,
MessageSection
}
[Serializable]
public class LogFilter : IFilterMatchable
{
private FilterOperator Oper;
private FilterSection Sect;
private object Value;
public LogFilter(FilterOperator Op, object value, FilterSection section)
{
Oper = Op;
Value = value;
Sect = section;
}
private bool DoMatchForLogType(DebugType type)
{
switch (Oper)
{
case FilterOperator.Equal:
return ((DebugType)Value) == type;
case FilterOperator.NotEqual:
return ((DebugType)Value) != type;
default:
return false;
}
}
private bool DoMatchForString(string Str)
{
if (UseRegexp)
{
try
{
return Regex.IsMatch(Str, (string)Value);
}
catch { }
}
switch (Oper)
{
case FilterOperator.Equal:
return ((string)Str).CompareTo((string)Value) == 0;
case FilterOperator.NotEqual:
return ((string)Str).CompareTo((string)Value) != 0;
case FilterOperator.Contains:
return ((string)Str).IndexOf((string)Value, StringComparison.OrdinalIgnoreCase) != -1;
case FilterOperator.NotContains:
return ((string)Str).IndexOf((string)Value, StringComparison.OrdinalIgnoreCase) == -1;
default:
return false;
}
}
private bool DoMatchForInt(int Val)
{
switch (Oper)
{
case FilterOperator.Equal:
return ((int)Value) == Val;
case FilterOperator.NotEqual:
return ((int)Value) != Val;
case FilterOperator.Greater:
return ((int)Value) > Val;
case FilterOperator.Lower:
return ((int)Value) < Val;
case FilterOperator.GreaterAndEqual:
return ((int)Value) >= Val;
case FilterOperator.LowerAndEqual:
return ((int)Value) <= Val;
default:
return false;
}
}
public bool UseRegexp
{
get;
set;
}
public bool Match(LogEntry log)
{
switch (Sect)
{
case FilterSection.LogTypeSection:
return DoMatchForLogType(log.Type);
case FilterSection.TagSection:
return DoMatchForString(log.Tag);
case FilterSection.PidSection:
return DoMatchForInt(log.ProcessId);
case FilterSection.MessageSection:
return DoMatchForString(log.Message);
default:
return false;
}
}
public override string ToString()
{
return string.Format("({0}) {1} -> {2}", Oper, Sect, Value);
}
}
}