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![Mike Kestner](/assets/img/avatar_default.png)
* generator/Method.cs : beef up !Validate warnings * generator/ObjectGen.cs : beef up !Validate warnings * generator/Parameters.cs (Validate): fail on ellipsis parm * parser/gapi2xml.pl : Handle more opaque types properly svn path=/trunk/gtk-sharp/; revision=5965
392 lines
9.0 KiB
C#
392 lines
9.0 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 CSType {
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get {
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return SymbolTable.GetCSType( 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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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 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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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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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 (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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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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}
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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**" && !(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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}
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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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}
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else
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{
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if (type != "GError**") {
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signature += (cs_type + " " + name);
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signature_types += cs_type;
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}
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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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}
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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.IsBoxed (c_type))) {
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sw.WriteLine(indent + "\t\t\t" + name + " = new " + type + "();");
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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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}
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/*
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public void Finish (StreamWriter sw)
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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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if ((p_elem.HasAttribute("pass_as") && p_elem.GetAttribute ("pass_as") == "out")) {
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string call_parm = SymbolTable.CallByName(c_type, name);
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string local_parm = GetPossibleLocal (call_parm);
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if (call_parm != local_parm)
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sw.WriteLine ("\t\t\t{0} = {1};", call_parm, local_parm);
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}
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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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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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