protected override bool Run()
{
if (input == null)
{
Computation input_lookup = new Lookup(master, source_reference, new [] { "arg" }, context);
input_lookup.Notify(input_result => {
if (input_result is Stringish)
{
input = input_result.ToString();
if (Interlocked.Decrement(ref interlock) == 0)
{
master.Slot(this);
}
}
else
{
master.ReportOtherError(source_reference, "Input argument must be a string.");
}
});
master.Slot(input_lookup);
if (Interlocked.Decrement(ref interlock) > 0)
{
return(false);
}
}
var frame = new Frame(master, master.NextId(), source_reference, context, container);
for (int it = 0; it < input.Length; it++)
{
frame[TaskMaster.OrdinalNameStr(it + 1)] = (long)Char.ConvertToUtf32(input, it);
}
result = frame;
return(true);
}
protected override bool Run()
{
if (!state)
{
var input_lookup = new Lookup(master, source_ref, new [] { "args" }, context);
input_lookup.Notify(HandleArgs);
master.Slot(input_lookup);
var transformation_lookup = new Lookup(master, source_ref, new [] { "transformations" }, context);
transformation_lookup.Notify(HandleTransformations);
master.Slot(transformation_lookup);
state = true;
if (Interlocked.Decrement(ref interlock) > 0)
{
return(false);
}
}
var output_frame = new Frame(master, master.NextId(), source_ref, context, self);
for (var index = 0; index < input.Length; index++)
{
var buffer = new StringBuilder();
for (var it = 0; it < input[index].Length; it += Char.IsSurrogatePair(input[index], it) ? 2 : 1)
{
var c = Char.ConvertToUtf32(input[index], it);
var is_surrogate = Char.IsSurrogatePair(input[index], it);
string replacement;
if (single_substitutions.TryGetValue(c, out replacement))
{
buffer.Append(replacement);
}
else
{
bool matched = false;
foreach (var range in ranges.Values)
{
if (c >= range.start && c <= range.end)
{
var utf8 = new byte[4];
Encoding.UTF8.GetBytes(input[index], it, is_surrogate ? 2 : 1, utf8, 0);
buffer.Append(String.Format(range.replacement, c, (int)input[index][it], is_surrogate ? (int)input[index][it + 1] : 0, (int)utf8[0], (int)utf8[1], (int)utf8[2], (int)utf8[3]));
matched = true;
break;
}
}
if (!matched)
{
buffer.Append(Char.ConvertFromUtf32(c));
}
}
}
output_frame[TaskMaster.OrdinalNameStr(index)] = new SimpleStringish(buffer.ToString());
}
result = output_frame;
return(true);
}
protected override bool Run()
{
if (mappings.Count == 0)
{
interlock = categories.Count + 2;
Computation input_lookup = new Lookup(master, source_reference, new [] { "arg" }, context);
input_lookup.Notify(input_result => {
if (input_result is Stringish)
{
input = input_result.ToString();
if (Interlocked.Decrement(ref interlock) == 0)
{
master.Slot(this);
}
}
else
{
master.ReportOtherError(source_reference, "Input argument must be a string.");
}
});
master.Slot(input_lookup);
foreach (var entry in categories)
{
var lookup = new Lookup(master, source_reference, new [] { entry.Value }, context);
lookup.Notify(cat_result => {
mappings[entry.Key] = cat_result;
if (Interlocked.Decrement(ref interlock) == 0)
{
master.Slot(this);
}
});
master.Slot(lookup);
}
if (Interlocked.Decrement(ref interlock) > 0)
{
return(false);
}
}
var frame = new Frame(master, master.NextId(), source_reference, context, container);
for (int it = 0; it < input.Length; it++)
{
frame[TaskMaster.OrdinalNameStr(it + 1)] = mappings[Char.GetUnicodeCategory(input[it])];
}
result = frame;
return(true);
}
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 void Set(long ordinal, object value)
{
Set(TaskMaster.OrdinalNameStr(ordinal), value);
}
protected override bool Run()
{
if (connection == null)
{
new Lookup(task_master, source_ref, new [] { "connection" },
context).Notify(return_value => {
if (return_value is ReflectedFrame)
{
Object backing = ((ReflectedFrame)return_value).Backing;
if (backing is DbConnection)
{
connection = (DbConnection)backing;
if (Interlocked.Decrement(ref interlock) == 0)
{
task_master.Slot(this);
}
return;
}
}
task_master
.ReportOtherError(source_ref,
"Expected “connection” to come from “sql:” import.");
});
new Lookup(task_master, source_ref, new [] { "sql_query" },
context).Notify(return_value => {
if (return_value is Stringish)
{
query = return_value.ToString();
if (Interlocked.Decrement(ref interlock) == 0)
{
task_master.Slot(this);
}
return;
}
task_master.ReportOtherError(source_ref, string.Format(
"Expected type Str for “sql_query”, but got {0}.",
Stringish.NameForType(return_value.GetType())));
});
new Lookup(task_master, source_ref, new [] { "sql_row_tmpl" },
context).Notify(return_value => {
if (return_value is Template)
{
row_tmpl = (Template)return_value;
if (Interlocked.Decrement(ref interlock) == 0)
{
task_master.Slot(this);
}
return;
}
task_master.ReportOtherError(source_ref, string.Format(
"Expected type Template for “sql_row_tmpl”, but got {0}.",
Stringish.NameForType(return_value.GetType())));
});
if (Interlocked.Decrement(ref interlock) > 0)
{
return(false);
}
}
try {
var command = connection.CreateCommand();
command.CommandType = System.Data.CommandType.Text;
command.CommandText = query;
var reader = command.ExecuteReader();
if (debug)
{
Console.WriteLine("SQL Query to {0}: {1}", connection, query);
}
NameChooser name_chooser = (rs, it) => TaskMaster.OrdinalNameStr(it);
var retrievers = new List <Retriever>();
for (int col = 0; col < reader.FieldCount; col++)
{
var column = col;
if (reader.GetName(col) == "ATTRNAME")
{
name_chooser = (rs, it) => rs.GetString(column);
continue;
}
if (reader.GetName(col).StartsWith("$"))
{
var attr_name = reader.GetName(col).Substring(1);
if (!task_master.VerifySymbol(source_ref, attr_name))
{
return(false);
}
retrievers.Add((rs, frame, _task_master) => frame.Set(attr_name, rs.IsDBNull(column) ? Precomputation.Capture(Unit.NULL) : Lookup.Do(rs.GetString(column).Split('.'))));
continue;
}
Unpacker unpacker;
if (!unpackers.TryGetValue(reader.GetFieldType(col), out unpacker))
{
task_master
.ReportOtherError(
source_ref,
string.Format(
"Cannot convert SQL type “{0}” for column “{1}” into Flabbergast type.",
reader.GetFieldType(col),
reader.GetName(col)));
}
if (!task_master.VerifySymbol(source_ref,
reader.GetName(col)))
{
return(false);
}
retrievers.Add(Bind(reader.GetName(col), col, unpacker));
}
var list = new MutableFrame(task_master, source_ref, context, self);
for (int it = 1; reader.Read(); it++)
{
var frame = new MutableFrame(task_master, new JunctionReference(string.Format("SQL template instantiation row {0}", it), "<sql>", 0, 0, 0, 0, source_ref, row_tmpl.SourceReference), Context.Append(list.Context, row_tmpl.Context), list);
foreach (var r in retrievers)
{
r(reader, frame, task_master);
}
foreach (var name in row_tmpl.GetAttributeNames())
{
if (!frame.Has(name))
{
frame.Set(name, row_tmpl[name]);
}
}
list.Set(name_chooser(reader, it), frame);
}
list.Slot();
result = list;
return(true);
} catch (DataException e) {
task_master.ReportOtherError(source_ref, e.Message);
return(false);
}
}
