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149 lines
4.1 KiB
C#
149 lines
4.1 KiB
C#
// 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.FromNative (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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