I have solved the problem.
My question have been derived from my ignorance of GObject.
Sorry my ignorance.
class MyClass : Object
{
public bool construct_only_property { get; construct; default = false; }
public void print_construct_only_property()
{ stdout.printf("%s\n", construct_only_property.to_string()); }
}
void main (string[] args)
{
// set construct-only property
var instance1 = (MyClass) GLib.Object.new (typeof(MyClass),
construct_only_property:
true);
instance1.print_construct_only_property(); // print true, Correct,
Good.
var instance2 = new MyClass();
instance2.print_construct_only_property(); // print false, Correct,
Good.
}
---- gsf-decompress.vala ----
void main (string[] args)
{
Gsf.InfileMSOle olefile;
string filename = args[1];
try {
var file = new Gsf.InputStdio (filename);
olefile = new Gsf.InfileMSOle (file);
}
catch {
stderr.printf ("%s is not a OLE file\n", filename);
return;
}
var input = olefile.child_by_name("DocInfo");
Gsf.InputGZip stream;
stream = (Gsf.InputGZip) GLib.Object.new (typeof(Gsf.InputGZip),
raw: true,
source: input);
}
$ valac gsf-decompress.vala --pkg libgsf-1
gsf-decompress.vala.c: In function ‘_vala_main’:
gsf-decompress.vala.c:101:26: error: ‘GSF_TYPE_INPUT_GZIP’ undeclared
(first use in this function)
gsf-decompress.vala.c:101:26: note: each undeclared identifier is reported
only once for each function it appears in
error: cc exited with status 256
Compilation failed: 1 error(s), 0 warning(s)
I have reported a bug.
https://bugzilla.gnome.org/show_bug.cgi?id=688851
2012/11/22 Luca Bruno <[email protected]>
> On Wed, Nov 21, 2012 at 4:26 PM, Hodong Kim <[email protected]> wrote:
>
>> class InflateGZip : Gsf.InputGZip
>> {
>> public InflateGZip(Gsf.Input source)
>> {
>> //Object(raw: true);
>> base(source);
>> }
>> }
>>
>
> You can only use either Object() or base():
> Object (raw: true, source: source);
>
> --
> www.debian.org - The Universal Operating System
>
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