97 lines
2.5 KiB
C#
97 lines
2.5 KiB
C#
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namespace GtkSharp.Generation {
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using System;
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using System.Collections;
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using System.IO;
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using System.Xml;
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using System.Collections.Generic;
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public class UnionSubstruct {
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List<StructABIField> fields;
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XmlElement Elem;
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bool is_valid;
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bool unique_field;
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public UnionSubstruct(XmlElement elem, ClassBase container_type) {
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fields = new List<StructABIField> ();
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Elem = elem;
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is_valid = true;
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unique_field = false;
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if (Elem.Name == "struct") {
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foreach (XmlElement child_field in elem.ChildNodes) {
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if (child_field.Name != "field") {
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is_valid = false;
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continue;
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}
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fields.Add(new StructABIField (child_field, container_type));
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}
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} else if (Elem.Name == "field") {
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fields.Add(new StructABIField (Elem, container_type));
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unique_field = true;
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}
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}
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public void Generate(GenerationInfo gen_info, string indent){
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StreamWriter sw = gen_info.Writer;
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var name = Elem.GetAttribute("name");
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var cname = Elem.GetAttribute("cname");
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if (unique_field) {
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sw.WriteLine (indent + "[FieldOffset(0)]");
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foreach (StructABIField field in fields)
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field.Generate(gen_info, indent);
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return;
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}
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sw.WriteLine (indent + "struct __" + name + "{");
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foreach (StructABIField field in fields) {
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field.Generate(gen_info, indent + "\t");
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}
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sw.WriteLine (indent + "}");
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sw.WriteLine (indent + "[FieldOffset(0)]");
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sw.WriteLine (indent + "private __" + name + " " + cname + ";");
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}
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}
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public class UnionABIField : StructABIField {
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bool is_valid;
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XmlElement Elem;
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protected List<UnionSubstruct> substructs = new List<UnionSubstruct> ();
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public UnionABIField (XmlElement elem, ClassBase container_type) : base (elem, container_type) {
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Elem = elem;
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is_valid = true;
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foreach (XmlElement union_child in elem.ChildNodes) {
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substructs.Add(new UnionSubstruct(union_child, container_type));
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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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StreamWriter sw = gen_info.Writer;
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var name = Elem.GetAttribute("name");
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var cname = Elem.GetAttribute("cname");
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sw.WriteLine (indent + "[StructLayout(LayoutKind.Explicit)]");
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sw.WriteLine (indent + "struct __" + name + " {");
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foreach (UnionSubstruct _struct in substructs) {
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_struct.Generate(gen_info, indent + "\t");
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}
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sw.WriteLine (indent + "}");
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sw.WriteLine (indent + "private __" + name + " " + cname + ";");
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}
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public override bool Validate (LogWriter log)
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{
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if (!is_valid) {
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log.Warn("Can't generate ABI compatible union");
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}
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return is_valid;
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}
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}
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}
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