305 lines
7 KiB
C#
305 lines
7 KiB
C#
// GtkSharp.Generation.Parameters.cs - The Parameters Generation Class.
|
|
//
|
|
// Author: Mike Kestner <mkestner@speakeasy.net>
|
|
//
|
|
// Copyright (c) 2001-2003 Mike Kestner
|
|
// Copyright (c) 2004 Novell, Inc.
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of version 2 of the GNU General Public
|
|
// License as published by the Free Software Foundation.
|
|
//
|
|
// This program 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 program; if not, write to the
|
|
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
// Boston, MA 02111-1307, USA.
|
|
|
|
|
|
namespace GtkSharp.Generation {
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Xml;
|
|
|
|
public class Parameters : IEnumerable<Parameter> {
|
|
|
|
IList<Parameter> param_list = new List<Parameter> ();
|
|
XmlElement elem;
|
|
bool first_is_instance;
|
|
|
|
public Parameters (XmlElement elem) : this (elem, false) { }
|
|
|
|
public Parameters (XmlElement elem, bool first_is_instance)
|
|
{
|
|
if (elem == null)
|
|
valid = true;
|
|
this.elem = elem;
|
|
this.first_is_instance = first_is_instance;
|
|
if (first_is_instance)
|
|
is_static = false;
|
|
}
|
|
|
|
public int Count {
|
|
get { return param_list.Count; }
|
|
}
|
|
|
|
// gapi assumes GError** parameters to be error parameters in version 1 and 2
|
|
private bool throws = false;
|
|
public bool Throws {
|
|
get {
|
|
if (Parser.GetVersion (elem.OwnerDocument.DocumentElement) <= 2)
|
|
return true;
|
|
if (!throws && elem.HasAttribute ("throws"))
|
|
throws = elem.GetAttributeAsBoolean ("throws");
|
|
return throws;
|
|
}
|
|
}
|
|
|
|
public int VisibleCount {
|
|
get {
|
|
int visible = 0;
|
|
foreach (Parameter p in this) {
|
|
if (!IsHidden (p))
|
|
visible++;
|
|
}
|
|
return visible;
|
|
}
|
|
}
|
|
|
|
public Parameter this [int idx] {
|
|
get {
|
|
return param_list [idx];
|
|
}
|
|
}
|
|
|
|
public bool IsHidden (Parameter p)
|
|
{
|
|
int idx = param_list.IndexOf (p);
|
|
|
|
if (idx > 0 && p.IsLength && p.PassAs == String.Empty && this [idx - 1].IsString)
|
|
return true;
|
|
|
|
if (p.IsCount)
|
|
return true;
|
|
|
|
if (p.IsHidden)
|
|
return true;
|
|
|
|
if (p.CType == "GError**" && Throws)
|
|
return true;
|
|
|
|
if (HasCB || HideData) {
|
|
|
|
if (Parser.GetVersion (elem.OwnerDocument.DocumentElement) >= 3) {
|
|
foreach (Parameter param in param_list) {
|
|
if (param.Closure == idx)
|
|
return true;
|
|
if (param.DestroyNotify == idx)
|
|
return true;
|
|
}
|
|
} else {
|
|
if (p.IsUserData && (idx == Count - 1))
|
|
return true;
|
|
if (p.IsUserData && (idx == Count - 2) && this [Count - 1] is ErrorParameter)
|
|
return true;
|
|
if (p.IsUserData && idx > 0 && this [idx - 1].Generatable is CallbackGen)
|
|
return true;
|
|
if (p.IsDestroyNotify && (idx == Count - 1) && this [idx - 1].IsUserData)
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool has_cb;
|
|
public bool HasCB {
|
|
get { return has_cb; }
|
|
set { has_cb = value; }
|
|
}
|
|
|
|
public bool HasOutParam {
|
|
get {
|
|
foreach (Parameter p in this)
|
|
if (p.PassAs == "out")
|
|
return true;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool hide_data;
|
|
public bool HideData {
|
|
get { return hide_data; }
|
|
set { hide_data = value; }
|
|
}
|
|
|
|
bool is_static;
|
|
public bool Static {
|
|
get { return is_static; }
|
|
set { is_static = value; }
|
|
}
|
|
|
|
bool has_optional;
|
|
internal bool HasOptional {
|
|
get { return has_optional;}
|
|
}
|
|
|
|
public Parameter GetCountParameter (string param_name)
|
|
{
|
|
foreach (Parameter p in this)
|
|
if (p.Name == param_name) {
|
|
p.IsCount = true;
|
|
return p;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
void Clear ()
|
|
{
|
|
elem = null;
|
|
param_list.Clear ();
|
|
param_list = null;
|
|
}
|
|
|
|
public IEnumerator<Parameter> GetEnumerator ()
|
|
{
|
|
return param_list.GetEnumerator ();
|
|
}
|
|
|
|
IEnumerator IEnumerable.GetEnumerator ()
|
|
{
|
|
return GetEnumerator ();
|
|
}
|
|
|
|
bool valid = false;
|
|
|
|
public bool Validate (LogWriter log)
|
|
{
|
|
if (valid)
|
|
return true;
|
|
|
|
if (elem == null)
|
|
return false;
|
|
|
|
for (int i = first_is_instance ? 1 : 0; i < elem.ChildNodes.Count; i++) {
|
|
XmlElement parm = elem.ChildNodes [i] as XmlElement;
|
|
if (parm == null || parm.Name != "parameter")
|
|
continue;
|
|
Parameter p = new Parameter (parm);
|
|
|
|
if (p.IsEllipsis) {
|
|
log.Warn ("Ellipsis parameter: hide and bind manually if no alternative exists. ");
|
|
Clear ();
|
|
return false;
|
|
}
|
|
|
|
if ((p.CSType == "") || (p.Name == "") ||
|
|
(p.MarshalType == "") || (SymbolTable.Table.CallByName(p.CType, p.Name) == "")) {
|
|
log.Warn ("Unknown type {1} on parameter {0}", p.Name, p.CType);
|
|
Clear ();
|
|
return false;
|
|
}
|
|
|
|
if (p.IsOptional && p.PassAs == String.Empty && p.IsUserData == false)
|
|
has_optional = true;
|
|
|
|
IGeneratable gen = p.Generatable;
|
|
|
|
if (p.IsArray) {
|
|
p = new ArrayParameter (parm);
|
|
if (i < elem.ChildNodes.Count - 1) {
|
|
XmlElement next = elem.ChildNodes [i + 1] as XmlElement;
|
|
if (next != null || next.Name == "parameter") {
|
|
Parameter c = new Parameter (next);
|
|
if (c.IsCount) {
|
|
p = new ArrayCountPair (parm, next, false);
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
} else if (p.IsCount) {
|
|
p.IsCount = false;
|
|
if (i < elem.ChildNodes.Count - 1) {
|
|
XmlElement next = elem.ChildNodes [i + 1] as XmlElement;
|
|
if (next != null || next.Name == "parameter") {
|
|
Parameter a = new Parameter (next);
|
|
if (a.IsArray) {
|
|
p = new ArrayCountPair (next, parm, true);
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
} else if (p.CType == "GError**" && Throws)
|
|
p = new ErrorParameter (parm);
|
|
else if (gen is StructBase || gen is ByRefGen) {
|
|
p = new StructParameter (parm);
|
|
} else if (gen is CallbackGen) {
|
|
has_cb = true;
|
|
}
|
|
param_list.Add (p);
|
|
}
|
|
|
|
if (Parser.GetVersion (elem.OwnerDocument.DocumentElement) < 3 &&
|
|
has_cb && Count > 2 && this [Count - 3].Generatable is CallbackGen && this [Count - 2].IsUserData && this [Count - 1].IsDestroyNotify)
|
|
this [Count - 3].Scope = "notified";
|
|
|
|
valid = true;
|
|
return true;
|
|
}
|
|
|
|
public bool IsAccessor {
|
|
get {
|
|
return VisibleCount == 1 && AccessorParam.PassAs == "out";
|
|
}
|
|
}
|
|
|
|
public Parameter AccessorParam {
|
|
get {
|
|
foreach (Parameter p in this) {
|
|
if (!IsHidden (p))
|
|
return p;
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public string AccessorReturnType {
|
|
get {
|
|
Parameter p = AccessorParam;
|
|
if (p != null)
|
|
return p.CSType;
|
|
else
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public string AccessorName {
|
|
get {
|
|
Parameter p = AccessorParam;
|
|
if (p != null)
|
|
return p.Name;
|
|
else
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public string ImportSignature {
|
|
get {
|
|
if (Count == 0)
|
|
return String.Empty;
|
|
|
|
string[] result = new string [Count];
|
|
for (int i = 0; i < Count; i++)
|
|
result [i] = this [i].NativeSignature;
|
|
|
|
return String.Join (", ", result);
|
|
}
|
|
}
|
|
}
|
|
}
|