public ReaperProject ParseProject(string fileName)
{
PopulateElements();
var project = new ReaperProject();
var lines = File.ReadAllLines(fileName);
lines = lines.Select(l => l.TrimStart()).ToArray();
ReaperElement current = null;
foreach (var data in lines)
{
if (data.StartsWith("<")) // new element and up a level
{
if (current == null)
{
current = CreateElement(data, null);
}
else
{
var newElement = CreateElement(data, current);
current.AddElement(newElement);
current = newElement;
}
}
else if (data.StartsWith(">")) // down a level
{
current.CompleteParse();
if (current.ParentElement != null)
{
current = current.ParentElement;
}
}
else if (data.StartsWith("WAK"))
{
// this is a nasty hack as the file format gets weird around
// the effects chain
current.CompleteParse();
var currentType = current.ElementName;
current = current.ParentElement;
var newElement = CreateElement(currentType, current);
current.AddElement(newElement);
current = newElement;
}
else // current level
{
var newElement = CreateElement(data, current);
current.AddProperty(data);
current.AddElement(newElement);
}
}
return((ReaperProject)current);
}
public static async Task <ReaperProject> Read(string filename)
{
ReaperProject reaperProjet = null;
using (var stream = new FileStream(filename, FileMode.Open, FileAccess.Read))
using (var reader = new StreamReader(stream))
{
Stack <Element> elementStack = new Stack <Element>();
string line = await reader.ReadLineAsync();
var root = ParseElement(line);
reaperProjet = ReaperProject.New(root.name, root.attributes);
elementStack.Push(reaperProjet);
while (line != null)
{
Element currentElement = elementStack.Peek();
line = line.Trim();
if (line.StartsWith(Constants.START))
{
var(name, attributes) = ParseElement(line);
if (name != ReaperProject.REAPER_PROJECT)
{
var newElement = currentElement.AddElement(name, attributes);
elementStack.Push(newElement);
}
}
else if (line.StartsWith(Constants.END))
{
if (elementStack.Count > 0)
{
elementStack.Pop();
}
}
else
{
var property = ParseProperty(line);
currentElement.Properties.Add(property);
}
line = await reader.ReadLineAsync();
}
if (elementStack.Any())
{
throw new FormatException();
}
}
return(reaperProjet);
}
public static ReaperProject New(string name, string[] attributes)
{
if (name != REAPER_PROJECT)
{
throw new ArgumentException(nameof(name));
}
var project = new ReaperProject();
if (attributes != null)
{
project._attributes.AddRange(attributes);
}
return(project);
}
