gnoga_2.1.2_5f127c56/deps/zanyblue/src/zbtest/commands/zbtest-commands-copy_command.adb

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--  -*- coding: utf-8 -*-
--
--  ZanyBlue, an Ada library and framework for finite element analysis.
--
--  Copyright (c) 2012, 2016, Michael Rohan <mrohan@zanyblue.com>
--  All rights reserved.
--
--  Redistribution and use in source and binary forms, with or without
--  modification, are permitted provided that the following conditions
--  are met:
--
--    * Redistributions of source code must retain the above copyright
--      notice, this list of conditions and the following disclaimer.
--
--    * Redistributions in binary form must reproduce the above copyright
--      notice, this list of conditions and the following disclaimer in the
--      documentation and/or other materials provided with the distribution.
--
--    * Neither the name of ZanyBlue nor the names of its contributors may
--      be used to endorse or promote products derived from this software
--      without specific prior written permission.
--
--  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
--  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
--  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
--  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
--  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
--  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
--  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
--  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
--  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
--  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
--  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--

--  @usage copy file [ target ]
--  @summary copy a file to the test area
--  @start-doc
--  Copy a file to the test area to use as input to commands under test.
--  The file copied is located by searching the directories listed on the
--  ''searchpath'' parameter.
--
--  The file copied retains the name of the source file.  To use another name
--  the optional second argument can be used.
--
--  To copy a directory tree, the "-r" option should be used.
--
--  Examples
--
--  * copy xmpl.in
--    Copy the file named "xmpl.in" to the test area retaining the name.
--
--  * copy xmpl.in example.dat
--    Copy the file "xmpl.in" to the name "example.dat" in the test area.
--
--  * copy -r mydir
--    Copy the directory "mydir" to the test area.
--
--  Files or directories copied to the test area are automatically removed
--  when the current scope exited (either at the end of the test script or
--  via an explicit "end").
--

with Ada.Strings.Wide_Fixed;
with ZanyBlue.Wide_Directories;

separate (ZBTest.Commands)
procedure Copy_Command
  (State : in out State_Type;
   Args  :        List_Type)
is

   use Ada.Strings.Wide_Fixed;
   use ZanyBlue.Wide_Directories;

   procedure Copy_Directory
     (State            : in out State_Type;
      Source_Name      :        String;
      Destination_Name :        String);
   --  Recursively copy a directory.

   procedure Copy_File
     (State            : in out State_Type;
      Source_Name      :        String;
      Destination_Name :        String);
   --  Copy a simple file.

   --------------------
   -- Copy_Directory --
   --------------------

   procedure Copy_Directory
     (State            : in out State_Type;
      Source_Name      :        String;
      Destination_Name :        String)
   is
      Source_Path : constant String :=
        State.Locate_Directory (Source_Name);
   begin
      Wide_Copy_Tree (Source_Path, Destination_Name);
      Print_00019 (+Source_Name, +Destination_Name);
      State.Add_Undo_Action (Format ("delete -r {0}", +Destination_Name));
   end Copy_Directory;

   ---------------
   -- Copy_File --
   ---------------

   procedure Copy_File
     (State            : in out State_Type;
      Source_Name      :        String;
      Destination_Name :        String)
   is
      Source_Path : constant String := State.Locate_File (Source_Name);
   begin
      Wide_Copy_File (Source_Path, Destination_Name);
      Print_00011 (+Source_Name, +Destination_Name);
      State.Add_Undo_Action (Format ("delete {0}", +Destination_Name));
   end Copy_File;

   Source_Index      : Natural := 0;
   Destination_Index : Natural := 0;
   Recursive         : Boolean := False;

begin
   for I in 2 .. Length (Args) loop
      if Value (Args, I) = "-r" then
         Recursive := True;
      elsif Head (Value (Args, I), 1) = "-" then
         raise Command_Usage_Error;
      elsif Source_Index = 0 then
         Source_Index := I;
      elsif Destination_Index = 0 then
         Destination_Index := I;
      else
         raise Command_Usage_Error;
      end if;
   end loop;
   if Source_Index = 0 then
      raise Command_Usage_Error;
   end if;
   if Destination_Index = 0 then
      Destination_Index := Source_Index;
   end if;
   if Recursive then
      Copy_Directory
        (State, Value (Args, Source_Index), Value (Args, Destination_Index));
   else
      Copy_File
        (State, Value (Args, Source_Index), Value (Args, Destination_Index));
   end if;
exception
   when File_Not_Found =>
      Print_10018 (+Value (Args, Source_Index));
end Copy_Command;