mirror of
https://github.com/Ryujinx/GtkSharp.git
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38e7bdeec5
* generator/CallbackGen.cs: Generate wrappers to map from managed delegates to native ones. * generator/Ctor.cs: Call parms.Initialize for the static case. * generator/Parameters.cs: Add "CType" property. Append [] to CSType if necessary. Add "HideData" property if a container wishes to hide the user_data (used in callbacks). (Initialize): Add case for callback. * generator/SymbolTable.cs: Add size_t. * glue/program.c: string[] marshalling is no longer broken, remove hack. * sources/Gtk.metadata: Disable GtkColorSelection.SetChangePaletteHook and GtkTreeView.GetSearchEqualFunc for now, they return delegates and we don't support native->managed delegate mapping yet. svn path=/trunk/gtk-sharp/; revision=7133
478 lines
12 KiB
C#
478 lines
12 KiB
C#
// GtkSharp.Generation.Parameters.cs - The Parameters Generation Class.
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// (c) 2001-2002 Mike Kestner
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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 Parameter {
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private XmlElement elem;
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public Parameter (XmlElement e)
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{
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elem = e;
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}
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public string CType {
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get {
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return elem.GetAttribute("type");
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}
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}
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public string CSType {
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get {
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string cstype = SymbolTable.GetCSType( elem.GetAttribute("type"));
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if (elem.HasAttribute("array"))
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cstype += "[]";
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return cstype;
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}
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}
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public string MarshalType {
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get {
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return SymbolTable.GetMarshalType( elem.GetAttribute("type"));
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}
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}
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public string Name {
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get {
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string name = elem.GetAttribute("name");
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switch (name) {
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case "string":
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return "str1ng";
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case "event":
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return "evnt";
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case "object":
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return "objekt";
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default:
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break;
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}
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return name;
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}
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}
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public string StudlyName {
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get {
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string name = elem.GetAttribute("name");
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string[] segs = name.Split('_');
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string studly = "";
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foreach (string s in segs) {
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studly += (s.Substring(0,1).ToUpper() + s.Substring(1));
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}
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return studly;
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}
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}
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}
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public class Parameters {
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private XmlElement elem;
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private string import_sig;
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private string call_string;
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private string signature;
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private string signature_types;
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private bool hide_data;
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public Parameters (XmlElement elem) {
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this.elem = elem;
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}
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public string CallString {
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get {
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return call_string;
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}
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}
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public Parameter this [int idx] {
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get {
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int count = 0;
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foreach (XmlNode node in elem.ChildNodes) {
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if ((node is XmlElement) && (idx == count++))
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return new Parameter ((XmlElement) node);
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}
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return null;
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}
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}
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public string ImportSig {
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get {
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return import_sig;
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}
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}
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public string Signature {
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get {
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return signature;
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}
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}
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public string SignatureTypes {
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get {
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return signature_types;
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}
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}
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public bool HideData {
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get { return hide_data; }
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set { hide_data = value; }
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}
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public bool Validate ()
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{
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foreach (XmlNode parm in elem.ChildNodes) {
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if (!(parm is XmlElement) || parm.Name != "parameter") {
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continue;
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}
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XmlElement p_elem = (XmlElement) parm;
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if (p_elem.HasAttribute("ellipsis")) {
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Console.Write("Ellipsis parameter ");
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return false;
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}
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string type = p_elem.GetAttribute("type");
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string cs_type = SymbolTable.GetCSType(type);
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string m_type = SymbolTable.GetMarshalType(type);
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string name = MangleName(p_elem.GetAttribute("name"));
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string call_parm = SymbolTable.CallByName(type, name);
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if ((cs_type == "") || (name == "") ||
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(m_type == "") || (call_parm == "")) {
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Console.Write("Name: " + name + " Type: " + type + " ");
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return false;
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}
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}
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return true;
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}
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public void CreateSignature (bool is_set)
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{
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signature_types = signature = import_sig = call_string = "";
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bool need_sep = false;
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bool has_callback = hide_data;
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bool last_was_user_data = false;
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bool has_user_data = false;
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string callback_type = "";
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int len = 0;
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XmlElement last_param = null;
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter") {
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continue;
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}
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XmlElement p_elem = (XmlElement) parm;
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if (p_elem.GetAttribute("type") == "gpointer" && (p_elem.GetAttribute("name").EndsWith ("data") || p_elem.GetAttribute("name").EndsWith ("data_or_owner")))
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has_user_data = true;
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len++;
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last_param = (XmlElement) parm;
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}
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int i = 0;
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter") {
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continue;
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}
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XmlElement p_elem = (XmlElement) parm;
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string type = p_elem.GetAttribute("type");
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string cs_type = SymbolTable.GetCSType(type);
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string m_type = SymbolTable.GetMarshalType(type);
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string name = MangleName(p_elem.GetAttribute("name"));
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string call_parm, call_parm_name;
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if (SymbolTable.IsCallback (type)) {
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has_callback = true;
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}
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if (is_set && i == 0)
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call_parm_name = "value";
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else
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call_parm_name = name;
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if (SymbolTable.IsCallback (type)) {
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call_parm = SymbolTable.CallByName (type, call_parm_name + "_wrapper");
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callback_type = type.Replace (".", "");
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callback_type = "GtkSharp." + callback_type + "Wrapper";
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} else
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call_parm = SymbolTable.CallByName(type, call_parm_name);
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if (p_elem.HasAttribute ("null_ok") && cs_type != "IntPtr" && cs_type != "System.IntPtr" && !SymbolTable.IsStruct (type))
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call_parm = String.Format ("({0} != null) ? {1} : IntPtr.Zero", call_parm_name, call_parm);
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if (p_elem.HasAttribute("array")) {
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cs_type += "[]";
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m_type += "[]";
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cs_type = cs_type.Replace ("ref ", "");
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m_type = m_type.Replace ("ref ", "");
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call_parm = call_parm.Replace ("ref ", "");
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}
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if (IsVarArgs && i == (len - 1) && VAType == "length_param") {
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cs_type = "params " + cs_type + "[]";
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m_type += "[]";
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}
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if (need_sep) {
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call_string += ", ";
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import_sig += ", ";
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if (!(type == "GError**" || last_was_user_data) && !(IsVarArgs && i == (len - 1) && VAType == "length_param"))
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{
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signature += ", ";
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signature_types += ":";
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}
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} else {
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need_sep = true;
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}
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if (p_elem.HasAttribute("pass_as")) {
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string pass_as = p_elem.GetAttribute("pass_as");
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signature += pass_as + " ";
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// We only need to do this for value types
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if (type != "GError**" && m_type != "IntPtr" && m_type != "System.IntPtr")
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{
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import_sig += pass_as + " ";
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call_string += "out ";
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}
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if (SymbolTable.IsEnum (type))
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call_parm = name + "_as_int";
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}
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else if (type == "GError**")
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{
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call_string += "out ";
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import_sig += "out ";
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}
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if (IsVarArgs && i == (len - 2) && VAType == "length_param")
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{
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call_string += MangleName(last_param.GetAttribute("name")) + ".Length";
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last_was_user_data = false;
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}
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else
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{
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if (!(type == "GError**" || (has_callback && type == "gpointer" && (name.EndsWith ("data") || name.EndsWith ("data_or_owner"))))) {
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signature += (cs_type + " " + name);
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signature_types += cs_type;
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last_was_user_data = false;
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} else if (type == "GError**") {
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call_parm = call_parm.Replace (name, "error");
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last_was_user_data = false;
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} else if (type == "gpointer" && (name.EndsWith ("data") || name.EndsWith ("data_or_owner"))) {
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call_parm = "IntPtr.Zero";
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last_was_user_data = true;
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} else
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last_was_user_data = false;
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call_string += call_parm;
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}
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import_sig += (m_type + " " + name);
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i++;
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}
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// FIXME: lame
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call_string = call_string.Replace ("out ref", "out");
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import_sig = import_sig.Replace ("out ref", "out");
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// FIXME: this is also lame, I need to fix the need_sep algo
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if (signature.EndsWith (", "))
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signature = signature.Remove (signature.Length - 2, 2);
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}
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public void Initialize (StreamWriter sw, bool is_get, string indent)
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{
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string name = "";
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter") {
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continue;
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}
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XmlElement p_elem = (XmlElement) parm;
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string c_type = p_elem.GetAttribute ("type");
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string type = SymbolTable.GetCSType(c_type);
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name = MangleName(p_elem.GetAttribute("name"));
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if (is_get) {
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sw.WriteLine (indent + "\t\t\t" + type + " " + name + ";");
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}
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if ((is_get || (p_elem.HasAttribute("pass_as") && p_elem.GetAttribute ("pass_as") == "out")) && (SymbolTable.IsObject (c_type) || SymbolTable.IsOpaque (c_type))) {
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sw.WriteLine(indent + "\t\t\t" + name + " = new " + type + "();");
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}
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if (p_elem.HasAttribute("pass_as") && p_elem.GetAttribute ("pass_as") == "out" && SymbolTable.IsEnum (c_type)) {
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sw.WriteLine(indent + "\t\t\tint " + name + "_as_int;");
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}
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}
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if (ThrowsException)
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sw.WriteLine (indent + "\t\t\tIntPtr error = IntPtr.Zero;");
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter") {
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continue;
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}
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XmlElement p_elem = (XmlElement) parm;
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string c_type = p_elem.GetAttribute ("type");
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string type = SymbolTable.GetCSType(c_type);
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name = MangleName(p_elem.GetAttribute("name"));
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if (SymbolTable.IsCallback (c_type)) {
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type = type.Replace (".", "");
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type = "GtkSharp." + type + "Wrapper";
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sw.WriteLine(indent + "\t\t\t{0} {1}_wrapper = new {0} ({1});", type, name);
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}
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}
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}
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public void Finish (StreamWriter sw, string indent)
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{
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter") {
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continue;
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}
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XmlElement p_elem = (XmlElement) parm;
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string c_type = p_elem.GetAttribute ("type");
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string name = MangleName(p_elem.GetAttribute("name"));
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string type = SymbolTable.GetCSType(c_type);
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if (p_elem.HasAttribute("pass_as") && p_elem.GetAttribute ("pass_as") == "out" && SymbolTable.IsEnum (c_type)) {
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sw.WriteLine(indent + "\t\t\t" + name + " = (" + type + ") " + name + "_as_int;");
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}
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}
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}
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public void HandleException (StreamWriter sw, string indent)
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{
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if (!ThrowsException)
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return;
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sw.WriteLine (indent + "\t\t\tif (error != IntPtr.Zero) throw new GLib.GException (error);");
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}
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public int Count {
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get {
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int length = 0;
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter") {
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continue;
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}
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length++;
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}
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return length;
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}
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}
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public bool IsAccessor {
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get {
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int length = 0;
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string pass_as = "";
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foreach (XmlNode parm in elem.ChildNodes) {
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if (!(parm is XmlElement) || parm.Name != "parameter") {
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continue;
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}
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XmlElement p_elem = (XmlElement) parm;
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length++;
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if (length > 1)
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return false;
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if (p_elem.HasAttribute("pass_as"))
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pass_as = p_elem.GetAttribute("pass_as");
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}
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return (length == 1 && pass_as == "out");
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}
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}
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public bool ThrowsException {
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get {
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if ((elem.ChildNodes == null) || (elem.ChildNodes.Count < 1))
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return false;
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XmlElement p_elem = null;
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foreach (XmlNode parm in elem.ChildNodes) {
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if (!(parm is XmlElement) || parm.Name != "parameter")
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continue;
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p_elem = (XmlElement) parm;
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}
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string type = p_elem.GetAttribute("type");
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return (type == "GError**");
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}
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}
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public bool IsVarArgs {
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get {
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return elem.HasAttribute ("va_type");
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}
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}
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public string VAType {
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get {
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return elem.GetAttribute ("va_type");
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}
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}
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public string AccessorReturnType {
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get {
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter")
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continue;
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XmlElement p_elem = (XmlElement) parm;
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return SymbolTable.GetCSType(p_elem.GetAttribute ("type"));
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}
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return null;
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}
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}
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public string AccessorName {
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get {
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foreach (XmlNode parm in elem.ChildNodes) {
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if (parm.Name != "parameter")
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continue;
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XmlElement p_elem = (XmlElement) parm;
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return MangleName (p_elem.GetAttribute("name"));
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}
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return null;
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}
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}
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private string MangleName(string name)
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{
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switch (name) {
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case "string":
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return "str1ng";
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case "event":
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return "evnt";
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case "object":
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return "objekt";
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case "in":
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return "in_param";
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case "out":
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return "out_param";
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default:
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break;
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}
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return name;
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}
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}
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}
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