internal static void GenerateContext(IDocumentBuilder builder,
List<PositionTextPairGroup> groups,
StreamReader _reader)
{
if (groups.Count == 0)
return;
builder.BeginContextBlock();
PositionAwareStreamReader reader = new PositionAwareStreamReader(_reader.BaseStream, _reader.CurrentEncoding);
PositionTextPairGroup prevGroup = null;
foreach (PositionTextPairGroup group in groups)
{
char[] textBuf = new char[group.MaxChunkSize];
long lastEnd = group.startPosition;
int charsRead;
reader.Seek(group.startPosition);
if (prevGroup == null)
{
if (groups.First().startPosition > 0)
builder.AddContextText("... ");
}
else if (group.startPosition != prevGroup.endPosition)
builder.AddContextText(" ... ");
foreach (PositionTextPair pair in group.pairs.OrderBy(p => p.position))
{
if (pair.position > lastEnd)
{
charsRead = reader.Read(textBuf, 0, (int)(pair.position - lastEnd));
lastEnd += charsRead;
builder.AddContextText(new string(textBuf, 0, charsRead));
}
charsRead = (int)reader.Read(textBuf, 0, pair.text.Length);
lastEnd += charsRead;
builder.AddContextText(new string(textBuf, 0, charsRead), TextStyle.Bold);
}
charsRead = reader.Read(textBuf, 0, (int)Math.Max(0, group.endPosition - lastEnd));
builder.AddContextText(new string(textBuf, 0, charsRead));
prevGroup = group;
}
if (!reader.EndOfStream)
builder.AddContextText(" ...");
builder.EndContextBlock();
}
internal static void GenerateContext(IDocumentBuilder builder,
List <PositionTextPairGroup> groups,
StreamReader _reader)
{
if (groups.Count == 0)
{
return;
}
builder.BeginContextBlock();
PositionAwareStreamReader reader = new PositionAwareStreamReader(_reader.BaseStream, _reader.CurrentEncoding);
PositionTextPairGroup prevGroup = null;
foreach (PositionTextPairGroup group in groups)
{
char[] textBuf = new char[group.MaxChunkSize];
long lastEnd = group.startPosition;
int charsRead;
reader.Seek(group.startPosition);
if (prevGroup == null)
{
if (groups.First().startPosition > 0)
{
builder.AddContextText("... ");
}
}
else if (group.startPosition != prevGroup.endPosition)
{
builder.AddContextText(" ... ");
}
foreach (PositionTextPair pair in group.pairs.OrderBy(p => p.position))
{
if (pair.position > lastEnd)
{
charsRead = reader.Read(textBuf, 0, (int)(pair.position - lastEnd));
lastEnd += charsRead;
builder.AddContextText(new string(textBuf, 0, charsRead));
}
charsRead = (int)reader.Read(textBuf, 0, pair.text.Length);
lastEnd += charsRead;
builder.AddContextText(new string(textBuf, 0, charsRead), TextStyle.Bold);
}
charsRead = reader.Read(textBuf, 0, (int)Math.Max(0, group.endPosition - lastEnd));
builder.AddContextText(new string(textBuf, 0, charsRead));
prevGroup = group;
}
if (!reader.EndOfStream)
{
builder.AddContextText(" ...");
}
builder.EndContextBlock();
}