363
364
365
366
367
368
369
370
371
372
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375
376
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363
364
365
366
367
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429
430
431
432
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434
|
+
+
+
+
+
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+
|
exit Read_Loop;
end case;
Descriptor.Next (Event);
end loop Read_Loop;
end Read_List;
function Remove_Element
(Dict : in Dictionary;
Index : in Ada.Streams.Stream_Element)
return Dictionary
is
Removed_Length : constant Positive := Dict_Entry (Dict, Index)'Length;
function New_Offsets return Offset_Array;
function New_Values return String;
function New_Offsets return Offset_Array is
Result : Offset_Array (0 .. Dict.Dict_Last - 1);
begin
for I in Result'Range loop
if I < Index then
Result (I) := Dict.Offsets (I);
else
Result (I) := Dict.Offsets (I + 1) - Removed_Length;
end if;
end loop;
return Result;
end New_Offsets;
function New_Values return String is
begin
if Index < Dict.Dict_Last then
return Dict.Values (1 .. Dict.Offsets (Index) - 1)
& Dict.Values (Dict.Offsets (Index + 1) .. Dict.Values'Last);
else
return Dict.Values (1 .. Dict.Offsets (Index) - 1);
end if;
end New_Values;
New_Max_Word_Length : Positive := Dict.Max_Word_Length;
begin
if Removed_Length = Dict.Max_Word_Length then
New_Max_Word_Length := 1;
for I in Dict.Offsets'Range loop
if I /= Index
and then Dict_Entry (Dict, I)'Length > New_Max_Word_Length
then
New_Max_Word_Length := Dict_Entry (Dict, I)'Length;
end if;
end loop;
end if;
return Dictionary'
(Dict_Last => Dict.Dict_Last - 1,
String_Size => Dict.String_Size - Removed_Length,
Variable_Length_Verbatim => Dict.Variable_Length_Verbatim,
Max_Word_Length => New_Max_Word_Length,
Offsets => New_Offsets,
Values => New_Values,
Hash => Dummy_Hash'Access);
end Remove_Element;
function To_Dictionary
(List : in String_Lists.List;
Variable_Length_Verbatim : in Boolean)
return Dictionary
is
Dict_Last : constant Ada.Streams.Stream_Element
|