[vala] GIR writer: add c:prefix support for namespaces

[Jürg Billeter <juergbi src gnome org>]

commit 932e18855c50c14e60fc75a21b3dce5108c2ad8c
Author: Mark Lee <marklee src gnome org>
Date:   Tue May 26 01:06:37 2009 -0700

    GIR writer: add c:prefix support for namespaces
    
    Emit a c:prefix attribute for namespaces, if the cprefix exists,
    fixes bug 583862.

 codegen/valagirwriter.vala |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valagirwriter.vala b/codegen/valagirwriter.vala
index fd46053..98b2af2 100644
--- a/codegen/valagirwriter.vala
+++ b/codegen/valagirwriter.vala
@@ -125,7 +125,12 @@ public class Vala.GIRWriter : CodeVisitor {
 		write_c_includes (ns);
 
 		write_indent ();
-		stream.printf ("<namespace name=\"%s\" version=\"%s\">\n", gir_namespace, gir_version);
+		stream.printf ("<namespace name=\"%s\" version=\"%s\"", gir_namespace, gir_version);
+		string? cprefix = ns.get_cprefix ();
+		if (cprefix != null) {
+			stream.printf (" c:prefix=\"%s\"", cprefix);
+		}
+		stream.printf (">\n");
 		indent++;
 
 		write_annotations (ns);