427 lines
9.3 KiB
C#
427 lines
9.3 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.Xml;
|
|
|
|
public class Parameter {
|
|
|
|
private XmlElement elem;
|
|
|
|
public Parameter (XmlElement e)
|
|
{
|
|
elem = e;
|
|
}
|
|
|
|
string call_name;
|
|
public string CallName {
|
|
get {
|
|
if (call_name == null)
|
|
return Name;
|
|
else
|
|
return call_name;
|
|
}
|
|
set {
|
|
call_name = value;
|
|
}
|
|
}
|
|
|
|
public string CType {
|
|
get {
|
|
string type = elem.GetAttribute("type");
|
|
if (type == "void*")
|
|
type = "gpointer";
|
|
return type;
|
|
}
|
|
}
|
|
|
|
public string CSType {
|
|
get {
|
|
string cstype = SymbolTable.Table.GetCSType( elem.GetAttribute("type"));
|
|
if (cstype == "void")
|
|
cstype = "System.IntPtr";
|
|
if (IsArray) {
|
|
if (IsParams)
|
|
cstype = "params " + cstype;
|
|
cstype += "[]";
|
|
cstype = cstype.Replace ("ref ", "");
|
|
}
|
|
return cstype;
|
|
}
|
|
}
|
|
|
|
public IGeneratable Generatable {
|
|
get {
|
|
return SymbolTable.Table[CType];
|
|
}
|
|
}
|
|
|
|
public bool IsArray {
|
|
get {
|
|
return elem.GetAttributeAsBoolean ("array") || elem.GetAttributeAsBoolean ("null_term_array");
|
|
}
|
|
}
|
|
|
|
public bool IsEllipsis {
|
|
get {
|
|
return elem.GetAttributeAsBoolean ("ellipsis");
|
|
}
|
|
}
|
|
|
|
internal bool IsOptional {
|
|
get {
|
|
return elem.GetAttributeAsBoolean ("allow-none");
|
|
}
|
|
}
|
|
|
|
bool is_count;
|
|
bool is_count_set;
|
|
public bool IsCount {
|
|
get {
|
|
if (is_count_set)
|
|
return is_count;
|
|
|
|
if (Name.StartsWith("n_"))
|
|
switch (CSType) {
|
|
case "int":
|
|
case "uint":
|
|
case "long":
|
|
case "ulong":
|
|
case "short":
|
|
case "ushort":
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
set {
|
|
is_count_set = true;
|
|
is_count = value;
|
|
}
|
|
}
|
|
|
|
public bool IsDestroyNotify {
|
|
get {
|
|
return CType == "GDestroyNotify";
|
|
}
|
|
}
|
|
|
|
public bool IsLength {
|
|
get {
|
|
if (Name.EndsWith("len") || Name.EndsWith("length"))
|
|
switch (CSType) {
|
|
case "int":
|
|
case "uint":
|
|
case "long":
|
|
case "ulong":
|
|
case "short":
|
|
case "ushort":
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public bool IsParams {
|
|
get {
|
|
return elem.HasAttribute("params");
|
|
}
|
|
}
|
|
|
|
public bool IsString {
|
|
get {
|
|
return (CSType == "string");
|
|
}
|
|
}
|
|
|
|
public bool IsUserData {
|
|
get {
|
|
return CSType == "IntPtr" && (Name.EndsWith ("data") || Name.EndsWith ("data_or_owner"));
|
|
}
|
|
}
|
|
|
|
public virtual string MarshalType {
|
|
get {
|
|
string type = SymbolTable.Table.GetMarshalType( elem.GetAttribute("type"));
|
|
if (type == "void" || Generatable is IManualMarshaler)
|
|
type = "IntPtr";
|
|
if (IsArray) {
|
|
type += "[]";
|
|
type = type.Replace ("ref ", "");
|
|
}
|
|
return type;
|
|
}
|
|
}
|
|
|
|
public string Name {
|
|
get {
|
|
return SymbolTable.Table.MangleName (elem.GetAttribute("name"));
|
|
}
|
|
}
|
|
|
|
public bool IsOwnable {
|
|
get {
|
|
return this.Generatable is OwnableGen;
|
|
}
|
|
}
|
|
|
|
public bool Owned {
|
|
get {
|
|
return elem.GetAttribute ("owned") == "true";
|
|
}
|
|
}
|
|
|
|
public virtual string NativeSignature {
|
|
get {
|
|
string sig = MarshalType + " " + Name;
|
|
if (PassAs != String.Empty)
|
|
sig = PassAs + " " + sig;
|
|
return sig;
|
|
}
|
|
}
|
|
|
|
public string PropertyName {
|
|
get {
|
|
return elem.GetAttribute("property_name");
|
|
}
|
|
}
|
|
|
|
string pass_as;
|
|
|
|
public string PassAs {
|
|
get {
|
|
if (pass_as != null)
|
|
return pass_as;
|
|
|
|
if (elem.HasAttribute ("pass_as"))
|
|
return elem.GetAttribute ("pass_as");
|
|
|
|
if (IsArray || CSType.EndsWith ("IntPtr"))
|
|
return "";
|
|
|
|
if (CType.EndsWith ("*") && (Generatable is SimpleGen || Generatable is EnumGen))
|
|
return "out";
|
|
|
|
return "";
|
|
}
|
|
set {
|
|
pass_as = value;
|
|
}
|
|
}
|
|
|
|
string scope;
|
|
public string Scope {
|
|
get {
|
|
if (scope == null)
|
|
scope = elem.GetAttribute ("scope");
|
|
return scope;
|
|
}
|
|
set {
|
|
scope = value;
|
|
}
|
|
}
|
|
|
|
int closure = -1;
|
|
public int Closure {
|
|
get {
|
|
if(closure == -1 && elem.HasAttribute ("closure"))
|
|
closure = int.Parse(elem.GetAttribute ("closure"));
|
|
return closure;
|
|
}
|
|
set {
|
|
closure = value;
|
|
}
|
|
}
|
|
|
|
int destroynotify = -1;
|
|
public int DestroyNotify {
|
|
get {
|
|
if (destroynotify == -1 && elem.HasAttribute ("destroy"))
|
|
destroynotify = int.Parse (elem.GetAttribute ("destroy"));
|
|
return destroynotify;
|
|
}
|
|
set {
|
|
destroynotify = value;
|
|
}
|
|
}
|
|
|
|
public bool IsHidden {
|
|
get {
|
|
return elem.GetAttributeAsBoolean ("hidden");
|
|
}
|
|
}
|
|
|
|
public virtual string[] Prepare {
|
|
get {
|
|
IGeneratable gen = Generatable;
|
|
if (gen is IManualMarshaler) {
|
|
string result = "IntPtr native_" + CallName;
|
|
if (PassAs != "out")
|
|
result += " = " + (gen as IManualMarshaler).AllocNative (CallName);
|
|
return new string [] { result + ";" };
|
|
} else if (PassAs == "out" && CSType != MarshalType) {
|
|
return new string [] { gen.MarshalType + " native_" + CallName + ";" };
|
|
} else if (PassAs == "ref" && CSType != MarshalType) {
|
|
return new string [] { gen.MarshalType + " native_" + CallName + " = (" + gen.MarshalType + ") " + CallName + ";" };
|
|
} else if (gen is OpaqueGen && Owned) {
|
|
return new string [] { CallName + ".Owned = false;" };
|
|
}
|
|
|
|
return new string [0];
|
|
}
|
|
}
|
|
|
|
public virtual string CallString {
|
|
get {
|
|
string call_parm;
|
|
|
|
IGeneratable gen = Generatable;
|
|
if (gen is CallbackGen)
|
|
return SymbolTable.Table.CallByName (CType, CallName + "_wrapper");
|
|
else if (PassAs != String.Empty) {
|
|
call_parm = PassAs + " ";
|
|
if (CSType != MarshalType)
|
|
call_parm += "native_";
|
|
call_parm += CallName;
|
|
} else if (gen is IManualMarshaler)
|
|
call_parm = "native_" + CallName;
|
|
else if (gen is ObjectBase)
|
|
call_parm = (gen as ObjectBase).CallByName (CallName, Owned);
|
|
else
|
|
call_parm = gen.CallByName (CallName);
|
|
|
|
return call_parm;
|
|
}
|
|
}
|
|
|
|
public virtual string[] Finish {
|
|
get {
|
|
IGeneratable gen = Generatable;
|
|
if (gen is IManualMarshaler) {
|
|
string[] result = new string [PassAs == "ref" ? 2 : 1];
|
|
int i = 0;
|
|
if (PassAs != String.Empty)
|
|
result [i++] = CallName + " = " + Generatable.FromNative ("native_" + CallName) + ";";
|
|
if (PassAs != "out")
|
|
result [i] = (gen as IManualMarshaler).ReleaseNative ("native_" + CallName) + ";";
|
|
return result;
|
|
} else if (PassAs != String.Empty && MarshalType != CSType)
|
|
if (gen is IOwnable)
|
|
return new string [] { CallName + " = " + (gen as IOwnable).FromNative ("native_" + CallName, Owned) + ";" };
|
|
else
|
|
return new string [] { CallName + " = " + gen.FromNative ("native_" + CallName) + ";" };
|
|
return new string [0];
|
|
}
|
|
}
|
|
|
|
public string FromNative (string var)
|
|
{
|
|
if (Generatable == null)
|
|
return String.Empty;
|
|
else if (Generatable is IOwnable)
|
|
return ((IOwnable)Generatable).FromNative (var, Owned);
|
|
else
|
|
return Generatable.FromNative (var);
|
|
}
|
|
|
|
public string StudlyName {
|
|
get {
|
|
string name = elem.GetAttribute("name");
|
|
string[] segs = name.Split('_');
|
|
string studly = "";
|
|
foreach (string s in segs) {
|
|
if (s.Trim () == "")
|
|
continue;
|
|
studly += (s.Substring(0,1).ToUpper() + s.Substring(1));
|
|
}
|
|
return studly;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
public class ErrorParameter : Parameter {
|
|
|
|
public ErrorParameter (XmlElement elem) : base (elem)
|
|
{
|
|
PassAs = "out";
|
|
}
|
|
|
|
public override string CallString {
|
|
get {
|
|
return "out error";
|
|
}
|
|
}
|
|
}
|
|
|
|
public class StructParameter : Parameter {
|
|
|
|
public StructParameter (XmlElement elem) : base (elem) {}
|
|
|
|
public override string MarshalType {
|
|
get {
|
|
return "IntPtr";
|
|
}
|
|
}
|
|
|
|
public override string[] Prepare {
|
|
get {
|
|
if (PassAs == "out")
|
|
return new string [] { "IntPtr native_" + CallName + " = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (" + Generatable.QualifiedName + ")));"};
|
|
else
|
|
return new string [] { "IntPtr native_" + CallName + " = " + (Generatable as IManualMarshaler).AllocNative (CallName) + ";"};
|
|
}
|
|
}
|
|
|
|
public override string CallString {
|
|
get {
|
|
return "native_" + CallName;
|
|
}
|
|
}
|
|
|
|
public override string[] Finish {
|
|
get {
|
|
string[] result = new string [PassAs == string.Empty ? 1 : 2];
|
|
int i = 0;
|
|
if (PassAs != string.Empty) {
|
|
result [i++] = CallName + " = " + FromNative ("native_" + CallName) + ";";
|
|
}
|
|
result [i++] = (Generatable as IManualMarshaler).ReleaseNative ("native_" + CallName) + ";";
|
|
return result;
|
|
}
|
|
}
|
|
|
|
public override string NativeSignature {
|
|
get {
|
|
return "IntPtr " + CallName;
|
|
}
|
|
}
|
|
}
|
|
}
|