private void DeterminateNextTag(StrWithCursor fileName, StrWithCursor pattern, out Dictionary <FrameType, string> frames)
{
//TODO :: Why do we need to use a copy constructor?
fileName = new StrWithCursor(fileName);
pattern = new StrWithCursor(pattern);
var tag = new StringBuilder(); //Detreminated tag
var value = new StringBuilder(); //Determinated value
while (fileName != '*' && pattern != '*' && fileName == pattern) //Go to first different symbol
{
fileName++;
pattern++;
}
if (pattern == '<')
{
DeterminateTag(pattern, tag);
}
else
{
frames = null;
return; //If this is not tag - error => return null
}
while (fileName != '*' || pattern == '*')
{
if (pattern == fileName) //Maybe it first symbol after tag
{
if (fileName == '*') //if end of string than this valid string
{
frames = new Dictionary <FrameType, string> {
{ Frame.GetEnum(tag.ToString()), value.ToString() }
}; //Create and eturn them
return;
}
DeterminateNextTag(fileName, pattern, out frames); //If not end of string, determinate next
if (frames != null) //If recusive method returned non-null dictionary its actualy end of tag
{
frames.Add(Frame.GetEnum(tag.ToString()), value.ToString()); //We should return them
return;
} //If returned null, then this not end of string. Continue reading
}
value.Append(fileName.Value);
fileName++;
}
frames = null;
}
public List <FrameType> GetTags()
{
var pattern = new StrWithCursor(Pattern);
var parsedTags = new SortedSet <FrameType>();
var tag = new StringBuilder();
while (pattern != '*')
{
if (pattern == '<')
{
DeterminateTag(pattern, tag);
parsedTags.Add(Frame.GetEnum(tag.ToString()));
tag.Clear();
}
else
{
pattern++;
}
}
return(parsedTags.Count != 0 ? parsedTags.ToList() : null);
}