static bool handleActions(XmlNode node, ElementInfo ei)
{
if (ei.actions == null)
{
ei.actions = new ArrayList();
}
XmlElement elt = node as XmlElement;
if (elt == null)
{
return(true);
}
foreach (XmlElement signal in elt.ChildNodes)
{
if (IsHidden(signal))
{
continue;
}
SignalInfo si = new SignalInfo();
si.name = signal["name"].InnerText;
si.managed_name = (signal["managed_name"] != null) ? signal["managed_name"].InnerText : null;
si.return_type = signal["return-type"].InnerText;
si.object_type = signal["object-type"].InnerText;
XmlElement parms = signal["params"];
if (parms != null)
{
si.parameters = new ArrayList();
foreach (XmlElement parm in parms.ChildNodes)
{
SignalParameter par = new SignalParameter();
par.type = parm.InnerText;
if (parm.Attributes["name"] == null)
{
throw new Exception("All signal parameters need the 'name' attribute");
}
par.name = parm.Attributes["name"].InnerText;
si.parameters.Add(par);
}
}
ei.actions.Add(si);
}
return(true);
}
static bool handleSignals(XmlNode node, ElementInfo ei)
{
if (ei.signals == null)
ei.signals = new ArrayList ();
XmlElement elt = node as XmlElement;
if (elt == null)
return true;
foreach (XmlElement signal in elt.ChildNodes) {
if (IsHidden (signal))
continue;
SignalInfo si = new SignalInfo ();
si.name = signal["name"].InnerText;
si.managed_name = (signal["managed_name"] != null) ? signal["managed_name"].InnerText : null;
si.return_type = signal["return-type"].InnerText;
si.object_type = signal["object-type"].InnerText;
XmlElement parms = signal["params"];
if (parms != null) {
si.parameters = new ArrayList ();
foreach (XmlElement parm in parms.ChildNodes) {
SignalParameter par = new SignalParameter ();
par.type = parm.InnerText;
if (parm.Attributes["name"] == null)
throw new Exception ("All signal parameters need the 'name' attribute");
par.name = parm.Attributes["name"].InnerText;
si.parameters.Add (par);
}
}
ei.signals.Add (si);
}
return true;
}
public static void writeElement(TextWriter writer, ElementInfo ei, StreamReader custom_code, XmlDocument api_doc, string interfaces_dir)
{
ArrayList enums = new ArrayList();
writer.WriteLine("#region Autogenerated code");
writer.WriteLine("\t[GTypeName (\"" + ei.gtype_name + "\")]");
string class_name = (ei.class_name != null) ? ei.class_name : ei.gtype_name.StartsWith("Gst") ? ei.gtype_name.Substring(3) : ei.gtype_name;
writer.Write("\tpublic sealed class " + class_name + " : ");
for (int i = 1; i < ei.hierarchy.Count; i++)
{
string parent_type = (string)ei.hierarchy[i];
string parent_managed_type = CTypeToManagedType(parent_type, api_doc);
if (parent_managed_type != null)
{
writer.Write(parent_managed_type);
break;
}
}
foreach (string iface in ei.interfaces)
{
writer.Write(", " + CTypeToManagedType(iface, api_doc));
}
writer.WriteLine(" {");
writer.WriteLine("\t\tpublic " + class_name + " (IntPtr raw) : base (raw) { }\n");
writer.WriteLine("\t\t[DllImport(\"libgstreamer-0.10.dll\") ]");
writer.WriteLine("\t\tstatic extern IntPtr gst_element_factory_make (IntPtr element, IntPtr name);\n");
writer.WriteLine("\t\tpublic " + class_name + " (string name) : base (IntPtr.Zero) {");
writer.WriteLine("\t\t\tIntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);");
writer.WriteLine("\t\t\tIntPtr native_element = GLib.Marshaller.StringToPtrGStrdup (\"" + ei.name + "\");");
writer.WriteLine("\t\t\tRaw = gst_element_factory_make (native_element, native_name);");
writer.WriteLine("\t\t\tGLib.Marshaller.Free (native_name);");
writer.WriteLine("\t\t\tGLib.Marshaller.Free (native_element);");
writer.WriteLine("\t\t\tif (Raw == IntPtr.Zero)");
writer.WriteLine("\t\t\t\tthrow new Exception (\"Failed to instantiate element \\\"" + ei.name + "\\\"\");");
writer.WriteLine("\t\t}\n");
writer.WriteLine("\t\tpublic " + class_name + " () : this ((string) null) { }\n");
writer.WriteLine("\t\tpublic static " + class_name + " Make (string name) {");
writer.WriteLine("\t\t\treturn Gst.ElementFactory.Make (\"" + ei.name + "\", name) as " + class_name + ";");
writer.WriteLine("\t\t}\n");
writer.WriteLine("\t\tpublic static " + class_name + " Make () { return Make (null); } \n");
foreach (PropertyInfo pinfo in ei.properties)
{
string managed_name = (pinfo.managed_name != null) ? pinfo.managed_name : PropToCamelCase(pinfo.name);
string managed_type = CTypeToManagedType(pinfo.type, api_doc);
if (managed_type == null && pinfo.enuminfo == null)
{
throw new Exception("Can't get managed type mapping for type " + pinfo.type);
}
else if (managed_type == null)
{
pinfo.enuminfo.name = pinfo.type;
enums.Add(pinfo.enuminfo);
managed_type = pinfo.type.StartsWith(ei.gtype_name) ? pinfo.type.Substring(ei.gtype_name.Length) : pinfo.type.StartsWith("Gst") ? pinfo.type.Substring(3) : pinfo.type;
managed_type += "Type";
}
writer.WriteLine("\t\t[GLib.Property (\"" + pinfo.name + "\")]");
writer.WriteLine("\t\tpublic " + managed_type + " " + managed_name + " {");
if (pinfo.readable)
{
writer.WriteLine("\t\t\tget {");
writer.WriteLine("\t\t\t\tGLib.Value val = GetProperty (\"" + pinfo.name + "\");");
writer.WriteLine("\t\t\t\t" + managed_type + " ret = (" + managed_type + ") val.Val;");
writer.WriteLine("\t\t\t\tval.Dispose ();");
writer.WriteLine("\t\t\t\treturn ret;");
writer.WriteLine("\t\t\t}");
}
if (pinfo.writeable)
{
writer.WriteLine("\t\t\tset {");
writer.WriteLine("\t\t\t\tGLib.Value val = new GLib.Value (this, \"" + pinfo.name + "\");");
writer.WriteLine("\t\t\t\tval.Val = value;");
writer.WriteLine("\t\t\t\tSetProperty (\"" + pinfo.name + "\", val);");
writer.WriteLine("\t\t\t\tval.Dispose ();");
writer.WriteLine("\t\t\t}");
}
writer.WriteLine("\t\t}\n");
}
writer.WriteLine();
if (ei.signals.Count > 0)
{
foreach (SignalInfo si in ei.signals)
{
string managed_name = (si.managed_name != null) ? si.managed_name : PropToCamelCase(si.name);
if (si.parameters.Count > 0)
{
writer.WriteLine("\t\tpublic delegate void " + managed_name + "Handler (object o, " + managed_name + "Args args);\n");
writer.WriteLine("\t\tpublic class " + managed_name + "Args : GLib.SignalArgs {");
for (int i = 0; i < si.parameters.Count; i++)
{
SignalParameter param = (SignalParameter)si.parameters[i];
string managed_type = CTypeToManagedType(param.type, api_doc);
writer.WriteLine("\t\t\tpublic " + managed_type + " " + param.name + " {");
writer.WriteLine("\t\t\t\tget {");
writer.WriteLine("\t\t\t\t\treturn (" + managed_type + ") Args[" + i + "];");
writer.WriteLine("\t\t\t\t}");
writer.WriteLine("\t\t\t}\n");
}
writer.WriteLine("\t\t}\n");
writer.WriteLine("\t\tpublic event " + managed_name + "Handler " + managed_name + " {");
}
else
{
writer.WriteLine("\t\tpublic event SignalHandler " + managed_name + " {");
}
writer.WriteLine("\t\t\tadd {");
writer.WriteLine("\t\t\t\tDynamicSignal.Connect (this, \"" + si.name + "\", value);");
writer.WriteLine("\t\t\t}\n");
writer.WriteLine("\t\t\tremove {");
writer.WriteLine("\t\t\t\tDynamicSignal.Disconnect (this, \"" + si.name + "\", value);");
writer.WriteLine("\t\t\t}");
writer.WriteLine("\t\t}");
}
}
if (ei.actions.Count > 0)
{
foreach (SignalInfo si in ei.actions)
{
string managed_name = (si.managed_name != null) ? si.managed_name : PropToCamelCase(si.name);
string managed_return = CTypeToManagedType(si.return_type, api_doc);
writer.Write("\t\tpublic " + managed_return + " " + managed_name + " (");
for (int i = 0; i < si.parameters.Count; i++)
{
SignalParameter param = (SignalParameter)si.parameters[i];
string managed_type = CTypeToManagedType(param.type, api_doc);
if (i == 0)
{
writer.Write(managed_type + " " + param.name);
}
else
{
writer.Write(", " + managed_type + " " + param.name);
}
}
writer.WriteLine(") {");
writer.WriteLine("\t\t\tobject[] parameters = new object[" + si.parameters.Count + "];");
for (int i = 0; i < si.parameters.Count; i++)
{
SignalParameter param = (SignalParameter)si.parameters[i];
writer.WriteLine("\t\t\tparameters[" + i + "] = " + param.name + ";");
}
writer.WriteLine("\t\t\treturn (" + managed_return + ") Emit (\"" + si.name + "\", parameters);");
writer.WriteLine("\t\t}\n");
}
}
if (ei.interfaces.Count > 0)
{
foreach (string iface in ei.interfaces)
{
writer.WriteLine("#endregion");
writer.WriteLine("#region Customized code");
writer.WriteLine("#line 1 \"" + iface + ".cs\"");
StreamReader interface_code = System.IO.File.OpenText(interfaces_dir + "/" + iface + ".cs");
string iface_code = interface_code.ReadToEnd();
writer.WriteLine(iface_code);
}
}
if (enums.Count > 0)
{
foreach (EnumInfo eni in enums)
{
writer.WriteLine("\t\t[GTypeName (\"" + eni.name + "\")]");
if (eni.flag)
{
writer.WriteLine("\t\t[Flags]");
}
string enum_name = eni.name.StartsWith(ei.gtype_name) ? eni.name.Substring(ei.gtype_name.Length) : eni.name.StartsWith("Gst") ? eni.name.Substring(3) : eni.name;
enum_name += "Type";
writer.WriteLine("\t\tpublic enum " + enum_name + " {");
if (eni.flag)
{
foreach (FlagValue ev in eni.values)
{
writer.WriteLine("\t\t\t" + PropToCamelCase(ev.name) + " = " + ev.value + ", ");
}
}
else
{
foreach (EnumValue ev in eni.values)
{
writer.WriteLine("\t\t\t" + PropToCamelCase(ev.name) + " = " + ev.value + ", ");
}
}
writer.WriteLine("\t\t}\n");
}
}
if (custom_code != null)
{
writer.WriteLine("#endregion");
writer.WriteLine("#region Customized code");
writer.WriteLine("#line 1 \"" + ei.name + ".custom\"");
string custom_code_string = custom_code.ReadToEnd();
writer.WriteLine(custom_code_string);
}
writer.WriteLine("#endregion");
writer.WriteLine("\t}\n");
}
