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|
------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2002-2006 --
-- AdaCore --
-- --
-- Authors: Dmitriy Anisimkov - Pascal Obry --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under the terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2 of the License, 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 --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU General Public License --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
------------------------------------------------------------------------------
-- This programs create a parent package Root_Pck and one children for any
-- files passed as argument.
with Ada.Calendar;
with Ada.Command_Line;
with Ada.Integer_Text_IO;
with Ada.Streams;
with Ada.Strings.Fixed;
with Ada.Strings.Maps;
with Ada.Strings.Unbounded;
with Ada.Text_IO;
with Ada.Unchecked_Deallocation;
with GNAT.Command_Line;
with GNAT.Calendar.Time_IO;
with AWS.OS_Lib;
with AWS.Resources.Streams.Disk;
with AWS.Resources.Streams.ZLib;
with ZLib;
procedure AwsRes is
use Ada;
use Ada.Strings.Unbounded;
use AWS;
Syntax_Error : exception;
Version : constant String := "1.2";
Root_Pck : Unbounded_String := To_Unbounded_String ("res");
Quiet : Boolean := False;
RT_File : Text_IO.File_Type;
-- Root temp file
R_File : Text_IO.File_Type;
-- Root spec/body file
Compress : Boolean := False;
-- By default resources are not compressed
procedure Create (Filename : in String);
-- Create resource package for Filename
function Package_Name (Filename : in String) return String;
-- Returns package name for Filename
procedure Parse_Command_Line;
-- Parse command line
function Header return String;
-- Returns file header (AWSRes version, date, time)
------------
-- Create --
------------
procedure Create (Filename : in String) is
use Streams;
package RS renames AWS.Resources.Streams;
Max_Data : constant := 14;
-- Maximum number of data in a single line
Unit_Name : constant String := Package_Name (Filename);
Pck_Name : constant String
:= To_String (Root_Pck) & '-' & Unit_Name & ".ads";
Buffer : Stream_Element_Array (1 .. 1_024 * 200);
-- We need a buffer large enough to contain as much data as
-- possible. This is more efficient for the compression, 200kb is
-- certainly large enough for an embedded resource.
Last : Stream_Element_Offset;
I : Natural;
File_Time : Calendar.Time;
O_File : Text_IO.File_Type;
I_File : RS.Stream_Access := new RS.Disk.Stream_Type;
First : Boolean := True;
procedure Free is new Ada.Unchecked_Deallocation
(RS.Stream_Type'Class, RS.Stream_Access);
begin
if not Quiet then
Text_IO.Put ("creating " & Filename);
end if;
File_Time := AWS.OS_Lib.File_Time_Stamp (Filename);
Text_IO.Create (O_File, Text_IO.Out_File, Pck_Name);
RS.Disk.Open (RS.Disk.Stream_Type (I_File.all), Filename);
if Compress then
I_File := RS.ZLib.Deflate_Create (I_File, Header => ZLib.GZip);
end if;
-- Output package declaration
Text_IO.New_Line (O_File);
Text_IO.Put_Line (O_File, Header);
Text_IO.New_Line (O_File);
Text_IO.Put_Line (O_File, "with Ada.Streams;");
Text_IO.New_Line (O_File);
Text_IO.Put_Line (O_File, "package "
& To_String (Root_Pck) & '.' & Unit_Name & " is");
Text_IO.New_Line (O_File);
Text_IO.Put_Line (O_File, " use Ada.Streams;");
Text_IO.New_Line (O_File);
Text_IO.Put_Line
(O_File, " Content : aliased constant Stream_Element_Array :=");
-- Output file content
I := 0;
loop
RS.Read (I_File.all, Buffer, Last);
for K in Buffer'First .. Last loop
if I /= 0 then
Text_IO.Put (O_File, ",");
if I = Max_Data then
Text_IO.New_Line (O_File);
Text_IO.Put (O_File, " ");
I := 0;
end if;
end if;
if First then
-- No space after the open parentesis (style check)
declare
V : constant Integer := Integer (Buffer (K));
begin
if V < 10 then
Text_IO.Put
(O_File, " (");
Integer_Text_IO.Put (O_File, V, Width => 1);
elsif V < 100 then
Text_IO.Put
(O_File, " (");
Integer_Text_IO.Put (O_File, V, Width => 2);
else
Text_IO.Put
(O_File, " (");
Integer_Text_IO.Put (O_File, V, Width => 3);
end if;
end;
First := False;
else
Integer_Text_IO.Put
(O_File, Integer (Buffer (K)), Width => 4);
end if;
I := I + 1;
if not Quiet and then K mod 400 = 0 then
Text_IO.Put ('.');
end if;
end loop;
exit when Last < Buffer'Last;
end loop;
Text_IO.Put_Line (O_File, ");");
-- Output end of package
Text_IO.New_Line (O_File);
Text_IO.Put_Line
(O_File, "end " & To_String (Root_Pck) & '.' & Unit_Name & ';');
RS.Close (I_File.all);
Free (I_File);
Text_IO.Close (O_File);
if not Quiet then
Text_IO.New_Line;
end if;
-- Register package into root package body
Text_IO.Put_Line (RT_File, " Register");
if Compress then
Text_IO.Put_Line (RT_File, " (""" & Filename & ".gz"",");
else
Text_IO.Put_Line (RT_File, " (""" & Filename & """,");
end if;
Text_IO.Put_Line
(RT_File, " "
& To_String (Root_Pck) & '.' & Unit_Name & ".Content'Access,");
Text_IO.Put_Line
(RT_File, " GNAT.Calendar.Time_Of ("
& GNAT.Calendar.Time_IO.Image
(File_Time, "%Y, %m, %d, %H, %M, %S, 0.0));"));
if not Quiet then
Text_IO.Put_Line (" -> registered");
end if;
-- Add with clause to root body
Text_IO.Put_Line
(R_File, "with " & To_String (Root_Pck) & '.' & Unit_Name & ';');
end Create;
------------
-- Header --
------------
function Header return String is
begin
return "-- AWSRes v" & Version & " - Genarated on " &
GNAT.Calendar.Time_IO.Image
(Calendar.Clock, "%B %d %Y at %T");
end Header;
------------------
-- Package_Name --
------------------
function Package_Name (Filename : in String) return String is
From : constant String := ".";
To : constant String := "_";
Map : constant Strings.Maps.Character_Mapping
:= Strings.Maps.To_Mapping (From, To);
begin
return Strings.Fixed.Translate (Filename, Map);
end Package_Name;
------------------------
-- Parse_Command_Line --
------------------------
procedure Parse_Command_Line is
begin
GNAT.Command_Line.Initialize_Option_Scan
(Stop_At_First_Non_Switch => True);
loop
case GNAT.Command_Line.Getopt ("r: h q z u") is
when ASCII.NUL =>
exit;
when 'r' =>
Root_Pck := To_Unbounded_String (GNAT.Command_Line.Parameter);
when 'q' =>
Quiet := True;
when 'z' =>
Compress := True;
when 'u' =>
Compress := False;
when 'h' =>
raise Syntax_Error;
when others =>
raise Syntax_Error;
end case;
end loop;
end Parse_Command_Line;
Buffer : String (1 .. 100);
Last : Natural;
begin
Parse_Command_Line;
if not Quiet then
Text_IO.Put_Line ("AWSRes - Resource Creator v" & Version);
Text_IO.New_Line;
end if;
Text_IO.Create (RT_File, Text_IO.Out_File);
Text_IO.Create (R_File, Text_IO.Out_File, To_String (Root_Pck) & ".adb");
Text_IO.New_Line (R_File);
Text_IO.Put_Line (R_File, Header);
Text_IO.New_Line (R_File);
Text_IO.New_Line (RT_File);
Text_IO.Put_Line (RT_File, "with AWS.Resources.Embedded;");
Text_IO.Put_Line (RT_File, "with GNAT.Calendar;");
Text_IO.New_Line (RT_File);
Text_IO.Put_Line (RT_File, "package body " & To_String (Root_Pck) & " is");
Text_IO.New_Line (RT_File);
Text_IO.Put_Line (RT_File, " Initialized : Boolean := False;");
Text_IO.New_Line (RT_File);
Text_IO.Put_Line (RT_File, " procedure Init is");
Text_IO.Put_Line (RT_File, " use AWS.Resources.Embedded;");
Text_IO.Put_Line (RT_File, " begin");
Text_IO.Put_Line (RT_File, " if not Initialized then");
Text_IO.Put_Line (RT_File, " Initialized := True;");
-- Parse all files
loop
declare
S : constant String
:= GNAT.Command_Line.Get_Argument (Do_Expansion => True);
begin
exit when S'Length = 0;
if S = "-z" then
Compress := True;
elsif S = "-u" then
Compress := False;
else
Create (S);
end if;
end;
end loop;
Text_IO.Put_Line (RT_File, " end if;");
Text_IO.Put_Line (RT_File, " end Init;");
Text_IO.New_Line (RT_File);
Text_IO.Put_Line (RT_File, "begin");
Text_IO.Put_Line (RT_File, " Init;");
Text_IO.Put_Line (RT_File, "end " & To_String (Root_Pck) & ";");
-- Copy now all the temp root file into the body file
Text_IO.Reset (RT_File, Text_IO.In_File);
while not Text_IO.End_Of_File (RT_File) loop
Text_IO.Get_Line (RT_File, Buffer, Last);
Text_IO.Put_Line (R_File, Buffer (1 .. Last));
end loop;
Text_IO.Close (RT_File);
Text_IO.Close (R_File);
-- Generate now the root package spec
Text_IO.Create (R_File, Text_IO.Out_File, To_String (Root_Pck) & ".ads");
Text_IO.New_Line (R_File);
Text_IO.Put_Line (R_File, Header);
Text_IO.New_Line (R_File);
Text_IO.Put_Line (R_File, "package " & To_String (Root_Pck) & " is");
Text_IO.New_Line (R_File);
Text_IO.Put_Line (R_File, " procedure Init;");
Text_IO.Put_Line (R_File, " -- Register all resources files");
Text_IO.New_Line (R_File);
Text_IO.Put_Line (R_File, "end " & To_String (Root_Pck) & ";");
Text_IO.Close (R_File);
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Success);
exception
when Syntax_Error =>
Text_IO.Put_Line ("AWSRes - Resource Creator v" & Version);
Text_IO.New_Line;
Text_IO.Put_Line ("Usage : awsres [-hrqzu] file1 [-zu] [file2...]");
Text_IO.New_Line;
Text_IO.Put_Line
(" -h : display help");
Text_IO.Put_Line
(" -r name : name of the root package (default res)");
Text_IO.Put_Line
(" -z : enable compression of following resources");
Text_IO.Put_Line
(" -u : disable compression of following resources");
Text_IO.Put_Line
(" -q : quiet mode");
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
end AwsRes;
|
