public CatalogCode NewChild(CatalogCode code)
{
CatalogEntry ce = Get(code);
if (ce == null || ce.children.Count == 0)
{
return(new CatalogCode(code + (code.Equals(CatalogCode.current) ? "" : ".") + "0"));
}
int max = ce.children.Max(c => c.codePrefix.Youngest());
int addition = 0;
if (max + 1 == ce.children.Count)
{
addition = max + 1;
}
else
{
List <CatalogEntry> children = ce.children;
if (children[0].codePrefix.Youngest() != 0)
{
addition = 0;
}
else
{
CatalogCode prev = children[0].codePrefix;
int pos = 1;
while (pos < children.Count)
{
CatalogCode comp = children[pos].codePrefix;
if (comp.Youngest() - prev.Youngest() != 1)
{
addition = prev.Youngest() + 1;
break;
}
prev = comp;
pos++;
}
}
}
if (code.Equals(CatalogCode.current))
{
return(new CatalogCode(addition.ToString()));
}
return(new CatalogCode(code + $".{addition}"));
}
private string FolderFor(CatalogCode code)
{
if (code.Equals(CatalogCode.current))
{
return("");
}
return("\\" + string.Join("\\", code.CodePattern));
}
private void PromptViewDocument()
{
PC.WriteLine("Insert the code of the file to view:");
CatalogCode code = new CatalogCode(ReadAnswer());
if (code.Equals(CatalogCode.current))
{
throw new CatalogError("Cannot open root");
}
if (!IsFile(code, out string path))
{
throw new CatalogError($"{code} is not a file");
}
OpenFileProcess(path);
}
private void PrintCatalog()
{
PC.WriteLine("Insert the code you want to display (. for all):");
string response = ReadAnswer();
CatalogCode code = new CatalogCode(response);
PC.WriteLine("And to what depth (-1 for all)?");
if (!int.TryParse(ReadAnswer(), out int depth))
{
depth = -1;
}
if (code.Equals(CatalogCode.current) && depth >= 1)
{
depth++;
}
Console.WriteLine(TreePrint(catalog.Get(code), depth));
}