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227 | ------------------------------------------------------------------------------
-- M A G I C R U N T I M E --
-- --
-- Copyright (C) 2020-2021, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with Ada.Calendar;
with Ada.Command_Line;
with Ada.Streams.Stream_IO;
with Ada.Text_IO;
with Interfaces;
with VSS.Strings.Conversions;
with VSS.JSON.Pull_Readers.Simple;
with Tests_Text_Streams;
procedure Test_JSON_Reader is
use all type VSS.JSON.Pull_Readers.JSON_Event_Kind;
use all type VSS.JSON.Pull_Readers.JSON_Reader_Error;
Input : aliased Tests_Text_Streams.Memory_UTF8_Input_Stream;
Reader : VSS.JSON.Pull_Readers.Simple.JSON_Simple_Pull_Reader;
Count : Natural := 0;
Perfomance : Boolean := False;
Incremental : Boolean := False;
Log_File : Ada.Text_IO.File_Type;
begin
if Ada.Command_Line.Argument_Count /= 3 then
raise Program_Error with "incorrect command line arguments";
end if;
if Ada.Command_Line.Argument (1) = "s" then
Incremental := False;
Perfomance := False;
elsif Ada.Command_Line.Argument (1) = "sp" then
Incremental := False;
Perfomance := True;
elsif Ada.Command_Line.Argument (1) = "i" then
Incremental := True;
Perfomance := False;
elsif Ada.Command_Line.Argument (1) = "ip" then
Incremental := True;
Perfomance := True;
else
raise Program_Error with "incorrect parsing mode";
end if;
Ada.Text_IO.Create
(Log_File,
Ada.Text_IO.Out_File,
Ada.Command_Line.Argument (3),
"text_translation=no");
declare
File : Ada.Streams.Stream_IO.File_Type;
Aux : Ada.Streams.Stream_Element_Array (1 .. 1_024);
Last : Ada.Streams.Stream_Element_Offset;
begin
Ada.Streams.Stream_IO.Open
(File,
Ada.Streams.Stream_IO.In_File,
Ada.Command_Line.Argument (2),
"text_translation=no");
while not Ada.Streams.Stream_IO.End_Of_File (File) loop
Ada.Streams.Stream_IO.Read (File, Aux, Last);
for J in Aux'First .. Last loop
Input.Buffer.Append (Aux (J));
end loop;
end loop;
Ada.Streams.Stream_IO.Close (File);
end;
declare
use type Ada.Calendar.Time;
Start : constant Ada.Calendar.Time := Ada.Calendar.Clock;
begin
Input.Set_Incremental (Incremental);
Reader.Set_Stream (Input'Unchecked_Access);
while not Reader.At_End loop
Reader.Read_Next;
case Reader.Event_Kind is
when Invalid =>
if Reader.Error /= Premature_End_Of_Document then
Ada.Text_IO.Put_Line
(Log_File,
VSS.JSON.Pull_Readers.JSON_Event_Kind'Image
(Reader.Event_Kind)
& ' '
& VSS.JSON.Pull_Readers.JSON_Reader_Error'Image
(Reader.Error)
& " """
& VSS.Strings.Conversions.To_UTF_8_String
(Reader.Error_Message)
& '"');
if Reader.Error /= Not_Valid then
raise Program_Error;
end if;
elsif not Incremental then
raise Program_Error;
else
Count := Count + 1;
if Count > 1_000 then
raise Program_Error;
end if;
end if;
when Key_Name =>
Count := 0;
if not Perfomance then
Ada.Text_IO.Put_Line
(Log_File,
VSS.JSON.Pull_Readers.JSON_Event_Kind'Image
(Reader.Event_Kind)
& " """
& VSS.Strings.Conversions.To_UTF_8_String
(Reader.Key_Name)
& '"');
end if;
when String_Value =>
Count := 0;
if not Perfomance then
Ada.Text_IO.Put_Line
(Log_File,
VSS.JSON.Pull_Readers.JSON_Event_Kind'Image
(Reader.Event_Kind)
& " """
& VSS.Strings.Conversions.To_UTF_8_String
(Reader.String_Value)
& '"');
end if;
when Number_Value =>
Count := 0;
if not Perfomance then
Ada.Text_IO.Put_Line
(Log_File,
VSS.JSON.Pull_Readers.JSON_Event_Kind'Image
(Reader.Event_Kind)
& ' '
& VSS.JSON.JSON_Number_Kind'Image
(Reader.Number_Value.Kind)
& ' '
& (case Reader.Number_Value.Kind is
when VSS.JSON.None => "",
when VSS.JSON.Out_Of_Range =>
VSS.Strings.Conversions.To_UTF_8_String
(Reader.String_Value),
when VSS.JSON.JSON_Integer =>
Interfaces.Integer_64'Image
(Reader.Number_Value.Integer_Value),
when VSS.JSON.JSON_Float =>
Interfaces.IEEE_Float_64'Image
(Reader.Number_Value.Float_Value)));
end if;
when Boolean_Value =>
Count := 0;
if not Perfomance then
Ada.Text_IO.Put_Line
(Log_File,
VSS.JSON.Pull_Readers.JSON_Event_Kind'Image
(Reader.Event_Kind)
& " "
& Boolean'Image (Reader.Boolean_Value));
end if;
when others =>
Count := 0;
if not Perfomance then
Ada.Text_IO.Put_Line
(Log_File,
VSS.JSON.Pull_Readers.JSON_Event_Kind'Image
(Reader.Event_Kind));
end if;
end case;
end loop;
if Perfomance then
Ada.Text_IO.Put_Line (Duration'Image (Ada.Calendar.Clock - Start));
end if;
end;
Ada.Text_IO.Close (Log_File);
end Test_JSON_Reader;
|