public PatternFormatter()
{
Pattern = "{Event.Message}";
TextTemplateProcessingServce = new TemplateProcessingService();
TextTemplateProcessingServce.InternalContext.Functions.AddFunction(
new Function(
"dump",
(originalValue, input, parameters) =>
{
return input.DumpToString();
}));
TextTemplateProcessingServce.InternalContext.Functions.AddFunction(
new Function(
"dumpHtml",
(originalValue, input, parameters) =>
{
return input.DumpToHtml();
}));
TextTemplateProcessingServce.InternalContext.Functions.AddFunction(
new Function(
"dumpWithHeader",
(originalValue, input, parameters) =>
{
//# first describe the input
var inputKvpc = TypeDescriptors.Describe(input);
//# add KVP with header as key and input as value
var kvp = new KeyValuePair(parameters.First().ToString().Trim(new char[] { '\'' }), inputKvpc);
var result = new StringObjectWriter().Write(kvp);
return result;
}));
}
public void Write__KeyValuePair_ValueMultiLineString()
{
var ow = new StringObjectWriter();
var kvp = new KeyValuePair("_key_", "_line1_" + Environment.NewLine + "_line2_");
var r = ow.Write(kvp);
var expected =
"_key_\t:"
+ Environment.NewLine
+ "---------"
+ Environment.NewLine
+ "\t_line1_"
+ Environment.NewLine
+ "\t_line2_";
Assert.AreEqual(expected, r);
}
string Process(
KeyValuePair kvp,
string nullValue,
string emptyValue)
{
var valString = Write(kvp.Value, nullValue, emptyValue);
if (kvp.Value is KeyValuePairCollection || valString.IsMultiLine())
{
// start on a new line
// separator '--' from start of a key to end of a key
// indent all lines by one '\t';
// e.g.
// Stack Trace :
// --------------
// line_one_goes_here
// line_two_goes_here
var sb = new StringBuilder();
var keyStr = "{0}\t:".FormatWith(kvp.Key);
var keyStrLen = keyStr.GetLengthWithExpandedTabs(TabSize);
//# do not write key if it's empty
if (kvp.Key != "")
{
sb.Append(keyStr);
sb.AppendLine();
sb.Append(new string('-', keyStrLen));
sb.AppendLine();
}
var lines = valString.GetLines();
for (int i = 0; i < lines.Length; i++)
{
sb.Append("\t" + lines[i]);
if (i < lines.Length - 1)
sb.AppendLine();
}
return sb.ToString();
}
else
{
return "{0}\t:\t{1}".FormatWith(kvp.Key, valString);
}
}
public void Write__KeyValuePair_ValueIsSingleLineString()
{
var ow = new StringObjectWriter();
var kvp = new KeyValuePair("_key_", "_value_");
var r = ow.Write(kvp);
Assert.AreEqual("_key_\t:\t_value_", r);
}
