private BuildResult BuildFile(string file, string target, List <AuthLabel> labelMap)
{
var result = new BuildResult(target);
var builder = new StringBuilder(256);
using (var output = File.AppendText(target))
{
using (var reader = new StreamReader(file, Encoding.GetEncoding(1251)))
{
var body = false;
var authorsTaken = false;
while (!reader.EndOfStream)
{
var token = GetToken(reader);
if (string.IsNullOrEmpty(token))
{
continue;
}
if (token.Trim().ToLower() == TitleTag)
{
body = true;
}
#region . check for \end{document} .
if (token.Trim().ToLower() == FinalTag)
{
var sb = new StringBuilder(token);
while (token != "{")
{
token = GetToken(reader);
sb.Append(token);
}
while (token != "}")
{
token = GetToken(reader);
sb.Append(token);
if (token.Trim().ToLower() == "document")
{
body = false;
}
}
if (!body)
{
break;
}
output.Write(sb.ToString());
}
else if (body)
{
output.Write(token);
}
#endregion
#region . list authors .
if (token.Trim().ToLower() == AuthorTag && !authorsTaken)
{
while (token != "{")
{
token = GetToken(reader);
output.Write(token);
}
token = GetToken(reader);
output.Write(token);
while (token != "}")
{
if (token.Trim().StartsWith("\\") || token.Trim() == ",")
{
var author = builder.ToString().Trim(' ', ',');
if (!string.IsNullOrWhiteSpace(author))
{
var label = $"lbl{++_index}";
builder.Clear();
var al = labelMap.FirstOrDefault(x => x.Author == author);
if (al != null)
{
al.Labels.Add(label);
}
else
{
labelMap.Add(new AuthLabel(author, label));
}
result.Add(label, author);
}
token = GetToken(reader);
output.Write(token);
continue;
}
if (token == "{")
{
while (token != "}")
{
token = GetToken(reader);
}
token = GetToken(reader);
output.Write(token);
continue;
}
builder.Append(token.Replace("\r\n", " ").Replace("\r", " ").Replace("\n", " ")
.Replace("\t", " "));
token = GetToken(reader);
output.Write(token);
}
authorsTaken = true;
}
//Последнего автора
if (builder.Length > 0)
{
var author = builder.ToString().Trim();
if (!string.IsNullOrWhiteSpace(author))
{
var label = $"lbl{++_index}";
var al = labelMap.FirstOrDefault(x => x.Author == author);
if (al != null)
{
al.Labels.Add(label);
}
else
{
labelMap.Add(new AuthLabel(author, label));
}
result.Add(label, author);
builder.Clear();
}
}
#endregion
}
}
output.Flush();
}
return(result);
}