public void ParseHeader()
{
#region Regexs
// \thing{blah}
string regexPattern = @"\\(w+)\{(\w+)\}";
//\thing[optionalBlah]{blah}
string regexPatternOptionals = @"\\(\w+)\[(\w+)\]\{(\w+)\}";
//\thing{blah1}{blah2}
string regexPatternMacro = @"\\(\w+)\{(\w+)\}\{(\w+)\}";
//\thing
string regexPatternNoParams = @"\\(\w+)";
#endregion Regexs
bool done = false; // keep reading header information until I say so!
// Let us begin...
using (StreamReader r = this)
{
StringBuilder sb = new StringBuilder();
while (!done && !r.EndOfStream)
{
string line = r.ReadLine();
// We should ignore the line if it's empty and move on.
while (line == Environment.NewLine)
{
line = r.ReadLine();
}
// We need to make sure we have the whole statement.
while (line.Replace("\n", "").Replace("\r", "").Replace(" ", "").Length > 0 ||
(TeX.Count(line, new List <char>()
{
'{', '['
})
!= TeX.Count(line, new List <char>()
{
'}', ']'
})))
{
line += r.ReadLine();
}
// Let's remove any newLine characters.
line.Replace("\n", "").Replace("\r", "");
while (!r.EndOfStream && line[0] == '%')
{
line = ReadLine();
}
if (line == @"\\begin{document}")
{
// We're finished, move onto the next line and let's get outta here.
done = true;
r.ReadLine();
break;
}
else if (Regex.IsMatch(line, regexPatternMacro))
{
}
else if (Regex.IsMatch(line, regexPatternOptionals))
{
}
else if (Regex.IsMatch(line, regexPattern))
{
}
else if (Regex.IsMatch(line, regexPatternNoParams))
{
}
else
{
throw new Exception(string.Format("I have no idea what \"{0}\" is in terms of header information.", line));
}
if (r.EndOfStream)
{
throw new Exception("Got through the whole file without a \\begin{Document}, This means something went wrong or your input file wasn't right!");
}
}
}
}
