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------------------------------------------------------------------------------
-- G P S --
-- --
-- Copyright (C) 2013, AdaCore --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. This software 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. See the GNU General Public --
-- License for more details. You should have received a copy of the GNU --
-- General Public License distributed with this software; see file --
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy --
-- of the license. --
------------------------------------------------------------------------------
with GNATCOLL.Projects; use GNATCOLL.Projects;
with GNATCOLL.VFS; use GNATCOLL.VFS;
with GNATCOLL.VFS_Utils; use GNATCOLL.VFS_Utils;
with OS_Utils; use OS_Utils;
with Remote; use Remote;
with GPS.Core_Kernels; use GPS.Core_Kernels;
with GPS.Scripts.Entities;
with GPS.Scripts.Projects;
with Language_Handlers; use Language_Handlers;
with Xref; use Xref;
package body GPS.Scripts.Files is
type File_Properties_Record is new Instance_Property_Record with record
File : Virtual_File;
end record;
procedure File_Command_Handler
(Data : in out Callback_Data'Class; Command : String);
-- Handler for the "File" commands
function Get_File_Class (Data : Callback_Data'Class) return Class_Type;
procedure Set_Data (Instance : Class_Instance; File : Virtual_File);
File_Class_Name : constant String := "File";
Default_Cst : aliased constant String := "default_to_root";
Name_Cst : aliased constant String := "name";
Local_Cst : aliased constant String := "local";
Server_Cst : aliased constant String := "remote_server";
File_Cmd_Parameters : constant Cst_Argument_List :=
(1 => Name_Cst'Access,
2 => Local_Cst'Access);
File_Entities_Parameters : constant Cst_Argument_List :=
(1 => Local_Cst'Access);
File_Name_Parameters : constant Cst_Argument_List :=
(1 => Server_Cst'Access);
File_Project_Parameters : constant Cst_Argument_List :=
(1 => Default_Cst'Access);
-----------------
-- Create_File --
-----------------
function Create_File
(Script : access Scripting_Language_Record'Class;
File : GNATCOLL.VFS.Virtual_File) return Class_Instance
is
Instance : constant Class_Instance := New_Instance
(Script, New_Class (Get_Repository (Script), File_Class_Name));
begin
Set_Data (Instance, File);
return Instance;
end Create_File;
--------------
-- Get_Data --
--------------
function Get_Data
(Instance : Class_Instance) return GNATCOLL.VFS.Virtual_File
is
Data : Instance_Property;
begin
if Instance /= No_Class_Instance then
Data := Get_Data (Instance, File_Class_Name);
end if;
if Data = null then
return GNATCOLL.VFS.No_File;
else
return File_Properties_Record (Data.all).File;
end if;
end Get_Data;
--------------------
-- Get_File_Class --
--------------------
function Get_File_Class
(Data : Callback_Data'Class)
return Class_Type is
begin
return New_Class (Data.Get_Repository, File_Class_Name);
end Get_File_Class;
--------------------------
-- File_Command_Handler --
--------------------------
procedure File_Command_Handler
(Data : in out Callback_Data'Class; Command : String)
is
Kernel : constant Core_Kernel := Get_Kernel (Data);
Info : Virtual_File;
Project : Project_Type;
begin
if Command = Constructor_Method then
Name_Parameters (Data, File_Cmd_Parameters);
declare
Instance : constant Class_Instance :=
Nth_Arg (Data, 1, Get_File_Class (Data));
Name : constant Filesystem_String := Nth_Arg (Data, 2);
File : Virtual_File;
begin
if Is_Absolute_Path (Name) then
if Is_Cygwin_Path (Name) then
-- This is a cygwing PATH style, convert to standard DOS
Set_Data
(Instance,
Create (Format_Pathname (Name, DOS)));
else
Set_Data (Instance, Create (Name));
end if;
return;
end if;
-- Base name case. Find full name using the following rules:
-- 1) If third argument is set to true, create from current dir
-- else
-- 2) If Base Name can be found in project, use it
-- else
-- 3) Create from current dir
-- If we really want to create from current directory
if Number_Of_Arguments (Data) > 2 then
declare
From_Current : constant Boolean := Nth_Arg (Data, 3);
begin
if From_Current then
Set_Data
(Instance,
Create_From_Dir (Get_Current_Dir, Name));
return;
end if;
end;
end if;
-- Kernel's Create_From_Base will override File if needed
File := Create_From_Base (Name);
Set_Data
(Instance, Kernel.Create_From_Base (Full_Name (File)));
end;
elsif Command = "name" then
Name_Parameters (Data, File_Name_Parameters);
Info := Nth_Arg (Data, 1);
declare
Server : Server_Type;
begin
-- Get the Server_Type value
begin
Server := Server_Type'Value (Nth_Arg (Data, 2, "GPS_Server"));
exception
when Constraint_Error =>
Server := GPS_Server;
end;
if Server = GPS_Server then
Set_Return_Value (Data, Full_Name (Info));
else
Set_Return_Value
(Data,
Full_Name (To_Remote (Info, Get_Nickname (Server))));
end if;
end;
elsif Command = "directory" then
Info := Nth_Arg (Data, 1);
Set_Return_Value (Data, Dir_Name (Info));
elsif Command = "language" then
Info := Nth_Arg (Data, 1);
Set_Return_Value
(Data, Get_Language_From_File
(Kernel.Lang_Handler, Info));
elsif Command = "other_file" then
Info := Nth_Arg (Data, 1);
Set_Return_Value
(Data,
Create_File (Get_Script (Data),
Kernel.Registry.Tree.Other_File (Info)));
elsif Command = "project" then
Name_Parameters (Data, File_Project_Parameters);
Info := Nth_Arg (Data, 1);
Project := Kernel.Registry.Tree.Info (Info).Project;
if Project = No_Project and then Nth_Arg (Data, 2, True) then
Project := Kernel.Registry.Tree.Root_Project;
end if;
Set_Return_Value
(Data,
GPS.Scripts.Projects.Create_Project (Get_Script (Data), Project));
elsif Command = "entities" then
Name_Parameters (Data, File_Entities_Parameters);
Info := Nth_Arg (Data, 1);
declare
Iter : Entities_In_File_Cursor;
Defined_In_File : constant Boolean := Nth_Arg (Data, 2, True);
Ent : General_Entity;
begin
Set_Return_Value_As_List (Data);
Iter := Kernel.Databases.Entities_In_File
(File => Info,
Name => "");
while not At_End (Iter) loop
Ent := Get (Iter);
if not Defined_In_File
or else Kernel.Databases.Get_Declaration (Ent).Loc.File = Info
then
Set_Return_Value
(Data, GPS.Scripts.Entities.Create_Entity
(Get_Script (Data), Ent));
end if;
Next (Iter);
end loop;
end;
end if;
end File_Command_Handler;
--------------------
-- Get_File_Class --
--------------------
function Get_File_Class
(Kernel : access GPS.Core_Kernels.Core_Kernel_Record'Class)
return Class_Type is
begin
return New_Class (Kernel.Scripts, File_Class_Name);
end Get_File_Class;
-------------
-- Nth_Arg --
-------------
function Nth_Arg
(Data : Callback_Data'Class; N : Positive)
return GNATCOLL.VFS.Virtual_File
is
Class : constant Class_Type := Get_File_Class (Data);
Inst : constant Class_Instance := Nth_Arg (Data, N, Class);
begin
return Get_Data (Inst);
end Nth_Arg;
-----------------------
-- Register_Commands --
-----------------------
procedure Register_Commands
(Kernel : access GPS.Core_Kernels.Core_Kernel_Record'Class)
is
begin
Register_Command
(Kernel.Scripts, Constructor_Method,
Minimum_Args => 1,
Maximum_Args => 2,
Class => Get_File_Class (Kernel),
Handler => File_Command_Handler'Access);
Register_Command
(Kernel.Scripts, "language",
Class => Get_File_Class (Kernel),
Handler => File_Command_Handler'Access);
Register_Command
(Kernel.Scripts, "name",
Minimum_Args => 0,
Maximum_Args => 1,
Class => Get_File_Class (Kernel),
Handler => File_Command_Handler'Access);
Register_Command
(Kernel.Scripts, "directory",
Class => Get_File_Class (Kernel),
Handler => File_Command_Handler'Access);
Register_Command
(Kernel.Scripts, "other_file",
Class => Get_File_Class (Kernel),
Handler => File_Command_Handler'Access);
Register_Command
(Kernel.Scripts, "project",
Minimum_Args => 0,
Maximum_Args => 1,
Class => Get_File_Class (Kernel),
Handler => File_Command_Handler'Access);
Register_Command
(Kernel.Scripts, "entities",
Minimum_Args => 0,
Maximum_Args => 1,
Class => Get_File_Class (Kernel),
Handler => File_Command_Handler'Access);
end Register_Commands;
--------------
-- Set_Data --
--------------
procedure Set_Data (Instance : Class_Instance; File : Virtual_File) is
begin
if not Is_Subclass (Instance, File_Class_Name) then
raise Invalid_Data;
end if;
Set_Data
(Instance, File_Class_Name,
File_Properties_Record'(File => File));
end Set_Data;
-----------------
-- Set_Nth_Arg --
-----------------
procedure Set_Nth_Arg
(Data : in out Callback_Data'Class;
N : Positive;
File : GNATCOLL.VFS.Virtual_File)
is
Inst : constant Class_Instance := Create_File (Get_Script (Data), File);
begin
Set_Nth_Arg (Data, N, Inst);
end Set_Nth_Arg;
end GPS.Scripts.Files;
|
