1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
// GtkSharp.Generation.ManagedCallString.cs - The ManagedCallString Class.
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// Copyright (c) 2003 Mike Kestner
//
// 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.IO;
public class ManagedCallString {
ArrayList parms = new ArrayList ();
ArrayList special = new ArrayList ();
string error_param = null;
string user_data_param = null;
string destroy_param = null;
public ManagedCallString (Parameters parms)
{
for (int i = 0; i < parms.Count; i ++) {
Parameter p = parms [i];
if (p.IsLength && i > 0 && parms [i-1].IsString)
continue;
else if (p.Scope == "notified") {
user_data_param = parms[i+1].Name;
destroy_param = parms[i+2].Name;
i += 2;
} else if (p.IsUserData && parms.IsHidden (p)) {
user_data_param = p.Name;
continue;
} else if (p is ErrorParameter) {
error_param = p.Name;
continue;
}
this.parms.Add (p);
if (p.PassAs != String.Empty && (p.Name != p.FromNative (p.Name)))
this.special.Add (true);
else if (p.Generatable is CallbackGen)
this.special.Add (true);
else
this.special.Add (false);
}
}
public bool HasOutParam {
get {
foreach (Parameter p in parms) {
if (p.PassAs == "out")
return true;
}
return false;
}
}
public string Unconditional (string indent) {
string ret = "";
if (error_param != null)
ret = indent + error_param + " = IntPtr.Zero;\n";
return ret;
}
public string Setup (string indent)
{
string ret = "";
for (int i = 0; i < parms.Count; i ++) {
if ((bool)special[i] == false)
continue;
Parameter p = parms [i] as Parameter;
IGeneratable igen = p.Generatable;
if (igen is CallbackGen) {
if (user_data_param == null)
ret += indent + String.Format ("{0} {1}_invoker = new {0} ({1});\n", (igen as CallbackGen).InvokerName, p.Name);
else if (destroy_param == null)
ret += indent + String.Format ("{0} {1}_invoker = new {0} ({1}, {2});\n", (igen as CallbackGen).InvokerName, p.Name, user_data_param);
else
ret += indent + String.Format ("{0} {1}_invoker = new {0} ({1}, {2}, {3});\n", (igen as CallbackGen).InvokerName, p.Name, user_data_param, destroy_param);
} else {
ret += indent + igen.QualifiedName + " my" + p.Name;
if (p.PassAs == "ref")
ret += " = " + p.FromNative (p.Name);
ret += ";\n";
}
}
return ret;
}
public override string ToString ()
{
if (parms.Count < 1)
return "";
string[] result = new string [parms.Count];
for (int i = 0; i < parms.Count; i ++) {
Parameter p = parms [i] as Parameter;
result [i] = p.PassAs == "" ? "" : p.PassAs + " ";
if (p.Generatable is CallbackGen)
result [i] += p.Name + "_invoker.Handler";
else
result [i] += ((bool)special[i]) ? "my" + p.Name : p.FromNative (p.Name);
}
return String.Join (", ", result);
}
public string Finish (string indent)
{
string ret = "";
for (int i = 0; i < parms.Count; i ++) {
if ((bool)special[i] == false)
continue;
Parameter p = parms [i] as Parameter;
IGeneratable igen = p.Generatable;
if (igen is CallbackGen)
continue;
else if (igen is StructBase || igen is ByRefGen)
ret += indent + String.Format ("if ({0} != IntPtr.Zero) System.Runtime.InteropServices.Marshal.StructureToPtr (my{0}, {0}, false);\n", p.Name);
else
ret += indent + p.Name + " = " + igen.ToNativeReturn ("my" + p.Name) + ";\n";
}
return ret;
}
}
}
|
