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Viewing changes to lib/gio-sharp/generator/StructField.cs

  • Committer: Bazaar Package Importer
  • Author(s): Christopher James Halse Rogers
  • Date: 2010-02-17 15:10:07 UTC
  • Revision ID: james.westby@ubuntu.com-20100217151007-msxpd0lsj300ndde
Tags: upstream-2.0.0
Import upstream version 2.0.0

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lib/gio-sharp/generator/StructField.cs
 
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// GtkSharp.Generation.StructField.cs - The Structure Field generation
 
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// Class.
 
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//
 
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// Author: Mike Kestner <mkestner@ximian.com>
 
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//
 
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// Copyright (c) 2004-2005 Novell, Inc.
 
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//
 
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// This program is free software; you can redistribute it and/or
 
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// modify it under the terms of version 2 of the GNU General Public
 
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// License as published by the Free Software Foundation.
 
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//
 
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// This program is distributed in the hope that it will be useful,
 
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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// General Public License for more details.
 
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//
 
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// You should have received a copy of the GNU General Public
 
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// License along with this program; if not, write to the
 
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 
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// Boston, MA 02111-1307, USA.
 
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namespace GtkSharp.Generation {
 
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        using System;
 
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        using System.IO;
 
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        using System.Xml;
 
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        public class StructField : FieldBase {
 
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                public static int bitfields;
 
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                public StructField (XmlElement elem, ClassBase container_type) : base (elem, container_type) {}
 
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                protected override string DefaultAccess {
 
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                        get {
 
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                                if (IsPadding)
 
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                                        return "private";
 
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                                return "public";
 
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                        }
 
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                }
 
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                int ArrayLength {
 
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                        get {
 
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                                if (!IsArray)
 
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                                        return 0;
 
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                                int result;
 
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                                try {
 
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                                        result = Int32.Parse (elem.GetAttribute("array_len"));
 
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                                } catch (Exception) {
 
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                                        Console.Write ("Non-numeric array_len: " + elem.GetAttribute("array_len"));
 
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                                        Console.WriteLine (" warning: array field {0} incorrectly generated", Name);
 
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                                        result = 0;
 
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                                }
 
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                                return result;
 
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                        }
 
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                }
 
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                public new string CSType {
 
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                        get {
 
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                                string type = base.CSType;
 
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                                if (IsArray)
 
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                                        type += "[]";
 
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                                else if ((IsPointer || SymbolTable.Table.IsOpaque (CType)) && type != "string")
 
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                                        type = "IntPtr";
 
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                                return type;
 
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                        }
 
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                }
 
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                bool IsPadding {
 
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                        get {
 
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                                return (CName.StartsWith ("dummy") || CName.StartsWith ("padding"));
 
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                        }
 
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                }
 
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                public bool IsPointer {
 
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                        get {
 
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                                return (CType.EndsWith ("*") || CType.EndsWith ("pointer"));
 
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                        }
 
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                }
 
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                public new string Name {
 
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                        get {
 
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                                string result = "";
 
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                                if ((IsPointer || SymbolTable.Table.IsOpaque (CType)) && CSType != "string")
 
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                                        result = "_";
 
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                                result += SymbolTable.Table.MangleName (CName);
 
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                                return result;
 
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                        }
 
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                }
 
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                string StudlyName {
 
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                        get {
 
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                                string studly = base.Name;
 
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                                if (studly == "")
 
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                                        throw new Exception ("API file must be regenerated with a current version of the GAPI parser. It is incompatible with this version of the GAPI code generator.");
 
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                                return studly;
 
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                        }
 
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                }
 
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                public override void Generate (GenerationInfo gen_info, string indent)
 
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                {
 
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                        if (Hidden)
 
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                                return;
 
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                        StreamWriter sw = gen_info.Writer;
 
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                        SymbolTable table = SymbolTable.Table;
 
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                        string wrapped = table.GetCSType (CType);
 
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                        string wrapped_name = SymbolTable.Table.MangleName (CName);
 
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                        IGeneratable gen = table [CType];
 
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                        if (IsArray) {
 
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                                sw.WriteLine (indent + "[MarshalAs (UnmanagedType.ByValArray, SizeConst=" + ArrayLength + ")]");
 
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                                sw.WriteLine (indent + "{0} {1} {2};", Access, CSType, StudlyName);
 
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                        } else if (IsBitfield) {
 
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                                base.Generate (gen_info, indent);
 
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                        } else if (gen is IAccessor) {
 
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                                sw.WriteLine (indent + "private {0} {1};", gen.MarshalType, Name);
 
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                                if (Access != "private") {
 
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                                        IAccessor acc = table [CType] as IAccessor;
 
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                                        sw.WriteLine (indent + Access + " " + wrapped + " " + StudlyName + " {");
 
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                                        acc.WriteAccessors (sw, indent + "\t", Name);
 
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                                        sw.WriteLine (indent + "}");
 
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                                }
 
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                        } else if (IsPointer && (gen is StructGen || gen is BoxedGen)) {
 
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                                sw.WriteLine (indent + "private {0} {1};", CSType, Name);
 
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                                sw.WriteLine ();
 
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                                if (Access != "private") {
 
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                                        sw.WriteLine (indent + Access + " " + wrapped + " " + wrapped_name + " {");
 
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                                        sw.WriteLine (indent + "\tget { return " + table.FromNativeReturn (CType, Name) + "; }");
 
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                                        sw.WriteLine (indent + "}");
 
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                                }
 
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                        } else if (IsPointer && CSType != "string") {
 
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                                // FIXME: probably some fields here which should be visible.
 
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                                sw.WriteLine (indent + "private {0} {1};", CSType, Name);
 
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                        } else {
 
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                                sw.WriteLine (indent + "{0} {1} {2};", Access, CSType, Access == "public" ? StudlyName : Name);
 
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                        }
 
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                }
 
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        }
 
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}
 
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