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Victor Porton
Guest
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 Posted: Sat Aug 28, 2004 7:14 pm Post subject: Re: C++ properties Library Created (was Binding together Pro |
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Wavemaker <jabberdabber (AT) BiteMeHotmail (DOT) com> wrote:
| Quote: | Wavemaker <jabberdabber (AT) BiteMeHotmail (DOT) com> wrote:
someObject.SomeProperty = someValue;
|
OK, I implemented this in a good way - http://ex-code.com/propcpp/
#include <propc++/property.h>
class Widget
{
...
Color get_color();
void set_color(Color value);
prop::Property<Widget, Color, &Widget::set_color, &Widget::get_color>
color;
...
};
....
widget.color = "red";
Binding properties together
(http://ex-code.com/articles/binding-properties.html) is not yet
implemented in 0.1 (subscribe to news at
[url]http://ex-code.com/xml-files.html)[/url].
You are welcomed to send patches! You are welcome to search for the most
efficient impl of binding properties.
| Quote: | Last evening, I decided to take a stab at implementing
binding properties in C++. I came up with the following:
|
No, not the best way. Instead extend libpropc++, the C++ properties library.
Some parts of new library libpropc++ use libsigc++
([url]http://libbsigc.sf.net)[/url], the C++ signalling library (an implementation of
OO "Observer pattern").
P.S. I added Followup-To: comp.lang.c++ as this is a C++ specific topic now.
--
== Victor Porton (porton (AT) ex-code (DOT) com) ==
# http://ex-code.com - software company, custom software for low price #
# http://ex-code.com/~porton/ - Christian revelations, math discoveries #
# http://ex-code.com/articles/ - original programming/XML articles #
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Steven T. Hatton
Guest
|
| Posted: Sun Aug 29, 2004 8:02 pm Post subject: Re: C++ properties Library Created (was Binding together Pro |
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Victor Porton wrote:
| Quote: | Wavemaker <jabberdabber (AT) BiteMeHotmail (DOT) com> wrote:
Wavemaker <jabberdabber (AT) BiteMeHotmail (DOT) com> wrote:
someObject.SomeProperty = someValue;
OK, I implemented this in a good way - http://ex-code.com/propcpp/
#include
class Widget
{
...
Color get_color();
void set_color(Color value);
prop::Property
color;
...
};
...
widget.color = "red";
Binding properties together
(http://ex-code.com/articles/binding-properties.html) is not yet
implemented in 0.1 (subscribe to news at
[url]http://ex-code.com/xml-files.html)[/url].
You are welcomed to send patches! You are welcome to search for the most
efficient impl of binding properties.
Last evening, I decided to take a stab at implementing
binding properties in C++. I came up with the following:
No, not the best way. Instead extend libpropc++, the C++ properties
library. Some parts of new library libpropc++ use libsigc++
([url]http://libbsigc.sf.net)[/url], the C++ signalling library (an implementation of
OO "Observer pattern").
P.S. I added Followup-To: comp.lang.c++ as this is a C++ specific topic
now.
This looks kind of interesting to me. I've been trying to reimplement the |
wheel for the sake of experience. I believe what your properties code
(template?) will do for me is make it easy for me to create a "property
sheet" for any kind of object that can use such a collection. The downside
of all this is that none of the links work.
Oh wait! Now I got something. Oh well, I guess I don't have a legitimate
excuse to post this. Other than to say, I think this is a good idea.
--
"[M]y dislike for the preprocessor is well known. Cpp is essential in C
programming, and still important in conventional C++ implementations, but
it is a hack, and so are most of the techniques that rely on it. ...I think
the time has come to be serious about macro-free C++ programming." - B. S.
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