public void WriteResultTo(Stream stream, Encoding encoding)
{
StreamWriterProvider writerProvider = new StreamWriterProvider(stream, encoding, true);
InternalWriteResultTo(writerProvider);
}
private void InternalWriteResultTo(StreamWriterProvider writerProvider)
{
var children = new List<ILookupDictionary>();
CombineTxt m = this;
while (m.Parent != null)
{
var matchDictionary = LookupDictionaryFactory.CreateLookupDictionary();
using (StreamReader sr = _readerProvider.GetStreamReader())
{
string line = null;
while ((line = sr.ReadLine()) != null)
{
var filtered = m._forEachFunc(line);
var key = m.KeyInfo.KeyDefinition(filtered);
matchDictionary.Add(key, filtered);
}
sr.Close();
}
children.Add(matchDictionary);
m = m.Parent;
}
StreamWriter sw = writerProvider.GetStreamWriter();
using (StreamReader sr = m._readerProvider.GetStreamReader())
{
string line = null;
string key = null;
string previousKey = null;
while ((line = sr.ReadLine()) != null)
{
var filtered = m._forEachFunc(line);
if (m._newRecordFunc(filtered))
{
key = m.KeyInfo.KeyDefinition(filtered);
}
if (previousKey != null && previousKey != key)
{
WriteChildren(sw, previousKey, children);
}
sw.WriteLine(filtered);
previousKey = key;
}
WriteChildren(sw, previousKey, children);
// StreamWriters assume they own the stream so they
// close the stream when they are disposed of.
sw.Flush();
if (!writerProvider.KeepStreamOpen)
{
sw.Close();
sw.Dispose();
}
}
m = this;
int i = 0;
while (m.Parent != null)
{
List<string> unMatchedItems = new List<string>();
foreach (var matchItem in children[i++])
{
unMatchedItems.AddRange(matchItem.Value);
}
if (m._unMatchedFunc != null)
{
m._unMatchedFunc(unMatchedItems);
}
m = m.Parent;
}
}
public void WriteResultTo(string fileName, Encoding encoding)
{
StreamWriterProvider writerProvider = new StreamWriterProvider(fileName, encoding);
InternalWriteResultTo(writerProvider);
}