public CharacterCategory(TaskMaster task_master, SourceReference source_ref,
Context context, Frame self, Frame container)
: base(task_master)
{
this.source_reference = source_ref;
this.context = context;
this.container = self;
}
public DbQuery(TaskMaster task_master, SourceReference source_ref,
Context context, Frame self, Frame container)
: base(task_master)
{
this.source_ref = source_ref;
this.context = context;
this.self = self;
}
/**
* Conjoin two contexts, placing all the frames of the provided context after
* all the frames in the original context.
*/
public static Context Append(Context original, Context new_tail)
{
if (original == null) {
throw new InvalidOperationException("Cannot append to null context.");
}
if (new_tail == null || original == new_tail) {
return original;
}
int filter = 0;
var list = new List<Frame>(original.Length + new_tail.Length);
foreach (var frame in original.frames) {
list.Add(frame);
filter |= frame.GetHashCode();
}
foreach (var frame in new_tail.frames) {
int hash = frame.GetHashCode();
if ((hash & filter) != hash || !list.Contains(frame)) {
list.Add(frame);
filter |= hash;
}
}
return new Context(list);
}
public StringToCodepoints(TaskMaster task_master, SourceReference source_ref,
Context context, Frame self, Frame container)
: base(task_master)
{
this.source_reference = source_ref;
this.context = context;
this.container = self;
}
public ParseInt(TaskMaster task_master, SourceReference source_ref,
Context context, Frame self, Frame container)
: base(task_master)
{
this.source_reference = source_ref;
this.context = context;
}
public ParseDouble(TaskMaster master, SourceReference source_ref,
Context context, Frame self, Frame container)
{
this.master = master;
this.source_reference = source_ref;
this.context = context;
}
public Escape(TaskMaster master, SourceReference source_ref,
Context context, Frame self, Frame container)
{
this.master = master;
this.source_ref = source_ref;
this.context = context;
this.self = self;
}
public static Context Prepend(Frame head, Context tail)
{
if (head == null) {
throw new InvalidOperationException("Cannot prepend a null frame to a context.");
}
var list = new List<Frame>(tail == null ? 1 : (tail.Length + 1));
list.Add(head);
if (tail != null) {
list.AddRange(tail.frames.Where(frame => head != frame));
}
return new Context(list);
}
public Template(SourceReference source_ref, Context context, Frame container)
{
SourceReference = source_ref;
Context = context;
Container = container;
}
public static Frame Through(TaskMaster task_master, long id, SourceReference source_ref, long start, long end,
Context context, Frame container)
{
var result = new Frame(task_master, id, source_ref, context, container);
if (end < start)
return result;
for (long it = 0; it <= (end - start); it++) {
result[TaskMaster.OrdinalNameStr(it + 1)] = start + it;
}
return result;
}
public Frame(TaskMaster task_master, long id, SourceReference source_ref, Context context, Frame container)
{
this.task_master = task_master;
SourceReference = source_ref;
Context = Context.Prepend(this, context);
Container = container ?? this;
Id = TaskMaster.OrdinalName(id);
}
