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630 | ------------------------------------------------------------------------------
-- --
-- Matreshka Project --
-- --
-- Web Framework --
-- --
-- Tools Component --
-- --
------------------------------------------------------------------------------
-- --
-- Copyright © 2012-2013, Vadim Godunko <vgodunko@gmail.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 the Vadim Godunko, IE 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. --
-- --
------------------------------------------------------------------------------
-- $Revision: 4002 $ $Date: 2013-07-14 14:36:47 +0400 (Вс, 14 июл 2013) $
------------------------------------------------------------------------------
with Ada.Containers.Ordered_Maps;
with Ada.Wide_Wide_Text_IO; use Ada.Wide_Wide_Text_IO;
with League.Strings;
with WSDL.AST.Bindings;
pragma Unreferenced (WSDL.AST.Bindings);
-- GNAT Pro 7.2.0w (20130423): package is needed to access to type's
-- components.
with WSDL.AST.Descriptions;
pragma Unreferenced (WSDL.AST.Descriptions);
-- GNAT Pro 7.2.0w (20130423): package is needed to access to type's
-- components.
with WSDL.AST.Interfaces;
pragma Unreferenced (WSDL.AST.Interfaces);
-- XXX GNAT 20130108 reports unreferenced unit.
with WSDL.AST.Messages;
pragma Unreferenced (WSDL.AST.Messages);
-- GNAT Pro 7.2.0w (20130423): package is needed to access to type's
-- components.
with WSDL.AST.Operations;
pragma Unreferenced (WSDL.AST.Operations);
-- GNAT Pro 7.2.0w (20130423): package is needed to access to type's
-- components.
with WSDL.AST.Services;
with WSDL.Constants;
with WSDL.Generator.Naming_Conventions;
package body WSDL.Generator is
use WSDL.Constants;
package Operation_Maps is
new Ada.Containers.Ordered_Maps
(League.Strings.Universal_String,
WSDL.AST.Interface_Operation_Access,
League.Strings."<",
WSDL.AST."=");
procedure Put (Item : League.Strings.Universal_String);
procedure Put_Line (Item : League.Strings.Universal_String);
procedure Generate_Service
(Service_Node : not null WSDL.AST.Services.Service_Access);
procedure Lookup_Binding
(Interface_Node : not null WSDL.AST.Interface_Access;
Binding_Node : out WSDL.AST.Binding_Access);
function Compute_All_Operations
(Interface_Node : not null WSDL.AST.Interface_Access)
return Operation_Maps.Map;
function Compute_SOAP_Action
(Operation_Node : not null WSDL.AST.Interface_Operation_Access;
Binding_Node : WSDL.AST.Binding_Access)
return League.Strings.Universal_String;
----------------------------
-- Compute_All_Operations --
----------------------------
function Compute_All_Operations
(Interface_Node : not null WSDL.AST.Interface_Access)
return Operation_Maps.Map
is
Result : Operation_Maps.Map;
procedure Analyze_Interface
(Interface_Node : not null WSDL.AST.Interface_Access);
-----------------------
-- Analyze_Interface --
-----------------------
procedure Analyze_Interface
(Interface_Node : not null WSDL.AST.Interface_Access) is
begin
-- Fill result by own operations of the interface, but excluding
-- all operations which names is in the result already because they
-- come from extended interface.
for Operation_Node of Interface_Node.Interface_Operations loop
if not Result.Contains (Operation_Node.Local_Name) then
Result.Insert (Operation_Node.Local_Name, Operation_Node);
end if;
end loop;
for Extended_Interface_Node of Interface_Node.Extended_Interfaces loop
Analyze_Interface (Extended_Interface_Node);
end loop;
end Analyze_Interface;
begin
Analyze_Interface (Interface_Node);
return Result;
end Compute_All_Operations;
-------------------------
-- Compute_SOAP_Action --
-------------------------
function Compute_SOAP_Action
(Operation_Node : not null WSDL.AST.Interface_Operation_Access;
Binding_Node : WSDL.AST.Binding_Access)
return League.Strings.Universal_String
is
use type WSDL.AST.Interface_Operation_Access;
begin
for Binding_Operation of Binding_Node.Binding_Operations loop
if Binding_Operation.Interface_Operation = Operation_Node then
return Binding_Operation.SOAP.Action;
end if;
end loop;
return League.Strings.Empty_Universal_String;
end Compute_SOAP_Action;
--------------
-- Generate --
--------------
procedure Generate
(Description : not null WSDL.AST.Description_Access) is
begin
for Service_Node of Description.Services loop
Generate_Service (Service_Node);
end loop;
end Generate;
----------------------
-- Generate_Service --
----------------------
procedure Generate_Service
(Service_Node : not null WSDL.AST.Services.Service_Access)
is
use type League.Strings.Universal_String;
use type WSDL.AST.Binding_Access;
use type WSDL.AST.Message_Content_Models;
use type WSDL.AST.Message_Directions;
use type WSDL.AST.Interface_Message_Access;
Binding_Node : WSDL.AST.Binding_Access;
Operations : Operation_Maps.Map;
Interface_Type_Name : League.Strings.Universal_String;
Interface_Package_Name : League.Strings.Universal_String;
SOAP_Action : League.Strings.Universal_String;
Input_Message : WSDL.AST.Interface_Message_Access;
Output_Message : WSDL.AST.Interface_Message_Access;
First_Operation : Boolean;
begin
-- Lookup for corresponding binding component.
Lookup_Binding (Service_Node.Interface_Node, Binding_Node);
if Binding_Node = null then
-- There is no binding for interface element specified.
raise Program_Error;
end if;
if Binding_Node.Binding_Type /= SOAP_Binding_Type then
-- This binding type is not supported.
raise Program_Error;
end if;
if Binding_Node.SOAP.Version /= SOAP_Version_12_Literal then
-- This version of SOAP is not supported.
raise Program_Error;
end if;
-- Compute set of all interface's operations, including inherited.
Operations := Compute_All_Operations (Service_Node.Interface_Node);
-- Generate specification of delegation package.
Interface_Package_Name :=
"Generic_"
& Naming_Conventions.To_Ada_Identifier
(Service_Node.Interface_Node.Local_Name);
Interface_Type_Name :=
Naming_Conventions.To_Ada_Identifier
(Service_Node.Interface_Node.Local_Name);
Put_Line
("--------------------------------------------------------------------"
& "----------");
Put_Line
("-- This compilation unit was generated by WSDL2Ada translator.");
Put_Line
("--------------------------------------------------------------------"
& "----------");
Put_Line ("pragma Style_Checks (""NM32766"");");
New_Line;
Put_Line ("with Web_Services.SOAP.Payloads.Faults;");
Put_Line ("with Payloads;");
New_Line;
Put_Line ("generic");
First_Operation := True;
for Operation_Node of Operations loop
if Operation_Node.Message_Exchange_Pattern.IRI /= In_Out_MEP
and Operation_Node.Message_Exchange_Pattern.IRI /= Robust_In_Only_MEP
then
-- Only in-out and robust-in-only MEPs are supported.
raise Program_Error;
end if;
-- All supported MEPs has at most one input and at most one output
-- placeholder. Lookup for input and output messages to simplify
-- code.
Input_Message := null;
Output_Message := null;
for Message_Node of Operation_Node.Interface_Message_References loop
case Message_Node.Direction is
when WSDL.AST.In_Message =>
Input_Message := Message_Node;
when WSDL.AST.Out_Message =>
Output_Message := Message_Node;
end case;
end loop;
if not First_Operation then
New_Line;
else
First_Operation := False;
end if;
Put
(" with procedure "
& Naming_Conventions.To_Ada_Identifier
(Operation_Node.Local_Name));
-- Generate input parameter, if any.
if Input_Message /= null then
if Input_Message.Message_Content_Model
not in WSDL.AST.None | WSDL.AST.Element
then
-- Only '#none' and '#element' message content models are
-- supported.
raise Program_Error;
end if;
if Input_Message.Message_Content_Model = WSDL.AST.Element then
New_Line;
Put
(" (Input : Payloads."
& Naming_Conventions.To_Ada_Identifier
(Input_Message.Element.Local_Name)
& "'Class");
end if;
end if;
-- Generate output parameter, if any.
if Output_Message /= null then
if Input_Message /= null
and then Input_Message.Message_Content_Model = WSDL.AST.Element
then
Put_Line (";");
Put (" ");
else
New_Line;
Put (" (");
end if;
Put
("Output : out Payloads."
& Naming_Conventions.To_Ada_Identifier
(Output_Message.Element.Local_Name)
& "_Access");
end if;
-- Generate output fault parameter, if eny.
if not Operation_Node.Interface_Fault_References.Is_Empty then
Put_Line (";");
Put
(" Fault :"
& " out Web_Services.SOAP.Payloads.Faults.SOAP_Fault_Access");
end if;
Put_Line (");");
end loop;
New_Line;
Put_Line ("package " & Interface_Package_Name & " is");
New_Line;
Put_Line (" procedure Register_Interface;");
New_Line;
Put_Line ("end " & Interface_Package_Name & ";");
-- Generate package for invocation dispatching.
Put_Line
("--------------------------------------------------------------------"
& "----------");
Put_Line
("-- This compilation unit was generated by WSDL2Ada translator.");
Put_Line
("--------------------------------------------------------------------"
& "----------");
Put_Line ("pragma Style_Checks (""NM32766"");");
New_Line;
Put_Line ("with League.Strings;");
Put_Line ("with Web_Services.SOAP.Handler_Registry;");
Put_Line ("with Web_Services.SOAP.Messages;");
Put_Line ("with Web_Services.SOAP.Payloads;");
New_Line;
Put_Line ("package body " & Interface_Package_Name & " is");
New_Line;
Put_Line (" use type League.Strings.Universal_String;");
New_Line;
Put_Line (" function ""+""");
Put_Line (" (Item : Wide_Wide_String)");
Put_Line (" return League.Strings.Universal_String");
Put_Line (" renames League.Strings.To_Universal_String;");
New_Line;
Put_Line (" procedure Dispatch");
Put_Line (" (Input : Web_Services.SOAP.Messages.SOAP_Message;");
Put_Line (" Output : out Web_Services.SOAP.Messages.SOAP_Message_Access;");
Put_Line (" Found : in out Boolean);");
New_Line;
Put_Line (" --------------");
Put_Line (" -- Dispatch --");
Put_Line (" --------------");
New_Line;
Put_Line (" procedure Dispatch");
Put_Line (" (Input : Web_Services.SOAP.Messages.SOAP_Message;");
Put_Line (" Output : out Web_Services.SOAP.Messages.SOAP_Message_Access;");
Put_Line (" Found : in out Boolean)");
Put_Line (" is");
Put_Line (" use type Web_Services.SOAP.Payloads.Faults.SOAP_Fault_Access;");
New_Line;
Put_Line (" Fault : Web_Services.SOAP.Payloads.Faults.SOAP_Fault_Access;");
New_Line;
Put_Line (" begin");
First_Operation := True;
for Operation_Node of Operations loop
if Operation_Node.Message_Exchange_Pattern.IRI /= In_Out_MEP
and Operation_Node.Message_Exchange_Pattern.IRI /= Robust_In_Only_MEP
then
-- Only in-out and robust-in-only MEPs are supported.
raise Program_Error;
end if;
-- All supported MEPs has at most one input and at most one output
-- placeholder. Lookup for input and output messages to simplify
-- code.
Input_Message := null;
Output_Message := null;
for Message_Node of Operation_Node.Interface_Message_References loop
case Message_Node.Direction is
when WSDL.AST.In_Message =>
Input_Message := Message_Node;
when WSDL.AST.Out_Message =>
Output_Message := Message_Node;
end case;
end loop;
SOAP_Action := Compute_SOAP_Action (Operation_Node, Binding_Node);
if First_Operation then
Put (" if");
else
New_Line;
Put (" elsif");
end if;
-- Use SOAP Action to dispatch call when specified.
if not SOAP_Action.Is_Empty then
Put_Line (" Input.Action = +""" & SOAP_Action & """ then");
else
Put_Line
(" Input.Namespace_URI = +"""
& Input_Message.Element.Namespace_URI
& '"');
Put_Line
(" and Input.Local_Name = +"""
& Input_Message.Element.Local_Name
& '"');
Put_Line (" then");
end if;
First_Operation := False;
Put_Line (" declare");
if Output_Message /= null then
Put_Line
(" Aux : Payloads."
& Naming_Conventions.To_Ada_Identifier
(Output_Message.Element.Local_Name)
& "_Access;");
New_Line;
end if;
Put_Line (" begin");
Put_Line (" Found := True;");
Put
(" "
& Naming_Conventions.To_Ada_Identifier
(Operation_Node.Local_Name));
-- Generate input parameter, if any.
if Input_Message /= null then
if Input_Message.Message_Content_Model
not in WSDL.AST.None | WSDL.AST.Element
then
-- Only '#none' and '#element' message content models are
-- supported.
raise Program_Error;
end if;
if Input_Message.Message_Content_Model = WSDL.AST.Element then
New_Line;
Put (" (Payloads."
& Naming_Conventions.To_Ada_Identifier
(Input_Message.Element.Local_Name)
& "'Class (Input.Payload.all)");
end if;
end if;
-- Generate output parameter, if any.
if Output_Message /= null then
if Input_Message = null
or else Input_Message.Message_Content_Model /= WSDL.AST.Element
then
New_Line;
Put (" (Aux");
else
Put_Line (",");
Put (" Aux");
end if;
end if;
-- Generate output fault parameter, if eny.
if not Operation_Node.Interface_Fault_References.Is_Empty then
Put_Line (",");
Put (" Fault");
end if;
Put_Line (");");
if Operation_Node.Message_Exchange_Pattern.IRI = In_Out_MEP then
Put_Line
(" Output :="
& " new Web_Services.SOAP.Messages.SOAP_Message;");
if not Operation_Node.Interface_Fault_References.Is_Empty then
New_Line;
Put_Line (" if Fault = null then");
Put_Line (" Output.Payload :=");
Put_Line
(" "
& "Web_Services.SOAP.Payloads.SOAP_Payload_Access (Aux);");
New_Line;
Put_Line (" else");
Put_Line (" Output.Payload :=");
Put_Line
(" "
& "Web_Services.SOAP.Payloads.SOAP_Payload_Access (Fault);");
Put_Line (" end if;");
else
Put_Line
(" Output.Payload :=");
Put_Line
(" "
& "Web_Services.SOAP.Payloads.SOAP_Payload_Access (Aux);");
end if;
elsif Operation_Node.Message_Exchange_Pattern.IRI = Robust_In_Only_MEP then
-- Generate fault handling code when necessary.
if not Operation_Node.Interface_Fault_References.Is_Empty then
Put_Line
(" Output :="
& " new Web_Services.SOAP.Messages.SOAP_Message;");
Put_Line (" Output.Payload :=");
Put_Line
(" "
& "Web_Services.SOAP.Payloads.SOAP_Payload_Access (Fault);");
end if;
end if;
Put_Line (" end;");
end loop;
Put_Line (" end if;");
Put_Line (" end Dispatch;");
New_Line;
Put_Line (" ------------------------");
Put_Line (" -- Register_Interface --");
Put_Line (" ------------------------");
New_Line;
Put_Line (" procedure Register_Interface is");
Put_Line (" begin");
Put_Line (" Web_Services.SOAP.Handler_Registry.Register");
Put_Line (" (Dispatch'Unrestricted_Access);");
Put_Line (" end Register_Interface;");
New_Line;
Put_Line ("end " & Interface_Package_Name & ";");
end Generate_Service;
--------------------
-- Lookup_Binding --
--------------------
procedure Lookup_Binding
(Interface_Node : not null WSDL.AST.Interface_Access;
Binding_Node : out WSDL.AST.Binding_Access)
is
use type WSDL.AST.Interface_Access;
begin
Binding_Node := null;
for Binding of Interface_Node.Parent.Bindings loop
-- Use default binding when found. Default value will be overwritten
-- when interface specific binding will be found.
if Binding.Interface_Node = null then
Binding_Node := Binding;
end if;
-- Use interface specific binding when found.
if Binding.Interface_Node = Interface_Node then
Binding_Node := Binding;
exit;
end if;
end loop;
end Lookup_Binding;
---------
-- Put --
---------
procedure Put (Item : League.Strings.Universal_String) is
begin
Put (Item.To_Wide_Wide_String);
end Put;
--------------
-- Put_Line --
--------------
procedure Put_Line (Item : League.Strings.Universal_String) is
begin
Put_Line (Item.To_Wide_Wide_String);
end Put_Line;
end WSDL.Generator;
|