C++Talk.NET C++ language newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  What C++ projects are you working on? Goto page 1, 2, 3  Next          C++Talk.NET Forum Index -> C++ Language (Moderated) View previous topic :: View next topic   Author Message JeffS Guest Posted: Wed Oct 13, 2004 11:10 pm    Post subject: What C++ projects are you working on? It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? Personally, my most recent C++ projects were/are fairly lightweight, including a signature capture program, and screen mapping emulator console app. Any and all project listings are welcome! [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Marcelo Pinto Guest Posted: Thu Oct 14, 2004 8:33 pm    Post subject: Re: What C++ projects are you working on? [email]jas (AT) rfgen (DOT) com[/email] (JeffS) wrote in message news:<6fa100b.0410131316.4313bfb1 (AT) posting (DOT) google.com>... Quote: It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? Personally, my most recent C++ projects were/are fairly lightweight, including a signature capture program, and screen mapping emulator console app. Any and all project listings are welcome! My current projects involve loading data from different file types with different rules into Oracle databases. The volume of information processed is quite large. One of the projects processes more than 300,000 files every month generating millions of records to be inserted into the database. Marcelo Pinto. [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Dave Harris Guest Posted: Thu Oct 14, 2004 8:35 pm    Post subject: Re: What C++ projects are you working on? [email]jas (AT) rfgen (DOT) com[/email] (JeffS) wrote (abridged): Quote: So, what is everyone currently working on with C++? What does/is the software supposed to do? I work on shrink-wrapped applications for the desktop. My most recent project was adding support for footnotes and endnotes to the text-handling features of a desktop publishing app. More product details can be found at: http://www.serif.com/pageplus/pageplus10/pp-newfeatures.asp -- Dave Harris, Nottingham, UK [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Dave Guest Posted: Thu Oct 14, 2004 9:24 pm    Post subject: Re: What C++ projects are you working on? JeffS wrote: Quote: It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? Personally, my most recent C++ projects were/are fairly lightweight, including a signature capture program, and screen mapping emulator console app. Any and all project listings are welcome! Just finished a Monopoly simulator, and am in the middle of several other projects; most active one at the moment is a chess problem solver, and other active projects include a Z80 compiler, assembler and emulator suite. [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top blrmaani Guest Posted: Thu Oct 14, 2004 9:28 pm    Post subject: Re: What C++ projects are you working on? Jeff, I'm using C++ for developing Network management applications. A framework ( which is developed in C++) is used to develop the management applications. HTH thanks blr. [email]jas (AT) rfgen (DOT) com[/email] (JeffS) wrote in message news:<6fa100b.0410131316.4313bfb1 (AT) posting (DOT) google.com>... Quote: It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? Personally, my most recent C++ projects were/are fairly lightweight, including a signature capture program, and screen mapping emulator console app. Any and all project listings are welcome! [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top John M. Dlugosz Guest Posted: Fri Oct 15, 2004 11:23 am    Post subject: Re: What C++ projects are you working on? [email]jas (AT) rfgen (DOT) com[/email] (JeffS) wrote in message news:<6fa100b.0410131316.4313bfb1 (AT) posting (DOT) google.com>... Quote: It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? Personally, my most recent C++ projects were/are fairly lightweight, including a signature capture program, and screen mapping emulator console app. Any and all project listings are welcome! I'm not using C++ at work right now for my main stuff, but still work on some other projects there. For fun and exploration, my stuff is at <http://www.dlugosz.com/Repertoire/refman/makeframe.html>. Currently I'm reworking some stuff that goes back to VC++5 and earlier, so has a lot of limitations to work around. Highlights include "class closures" that allow member functions to be used as Windows callbacks and WinProcs; a collection class that provides for full thread safety (without ever blocking) and simultainious mixed aliasing/copy-on-write access and iterators that work even if the collection is subsequently modified; full-featured atomic_counter template (was in the Microsoft MSDN DevNet for a few years); and reference counted smart pointers that allow for circular references, multiple inheritence, and other goodies. --John [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Mark Weaver Guest Posted: Fri Oct 15, 2004 11:26 am    Post subject: Re: What C++ projects are you working on? JeffS wrote: Quote: It's always interesting to see what types of projects people are using C++ (or any other language) for. I'm currently working on a rewrite of my first sockets program. This was a mail server (written for the purposes of a) learning sockets and b) learning RFC821/822 and derivatives). The extant mail server still handles all the company mail and works well enough -- sufficiently that I'm able to reuse some libraries + code developed with the original. My next project (hopefully) will be related: an IMAP server to fit in with the suite. Slightly previous to that, I "ported"[1] c-ares to an IOCP framework, which provides asynchronous DNS resolution. AFAIK there is nothing else that does that (although I agree, it's kind of a mad idea to start with!). Since "my first sockets application", I've made good progess with learning IOCP, and have developed a reasonable basic framework. Where this breaks down is with high load servers[2]. From this framework I developed an IOCP based HTTP client[3]. This got used in a web crawler, which was used for a content indexer with a centroid based classifier (yet another project -- nearly all C for that one however). My favourite project (still ongoing, although basically stable) is an ISAPI extension for applying XSLT to dynamically (or otherwise) generated XML in a scalable fashion - see [url]http://gnomon.npsl.co.uk/)[/url]. This helped the HTTP client mentioned above to develop. It also let me write a library designed to expose performance data from applications (although ATL 7 came up with this, I was still on VC6 at the time, and of course I like mine better). Yet another ongoing project is my pdf reading library, which lets you recover text from PDF files (no, that's no where near as trivial as you think). This again gets used in my content indexing stuff (and that's mostly C). Most of my code is open source (LGPL or GPL) -- the code is all available at http://www.blushingpenguin.com/ via SVN (http://www.blushingpenguin.com/viewcvs/viewcvs.cgi/ to browse/download tarballs). The notable exception is the content indexer. On top of that, I maintain hardware (ouch! cut fingers!), network infrastructure (firewalling/load balancing/VPNs on linux boxes) for my company, a couple of Oracle databases[4] and do a bit of customer support [5]. Finally, I don't sleep much :) Mark [1] The basic packet formation/parsing remains the same, but most of the other details are completely different, as you might expect [2] For this you need to be careful about how many overlapped I/O operations you have outstanding otherwise you can run out of non-paged pool. Device drivers (poor ones, but they exist!) tend not to like this, so with it's entirely possible to generate a BSOD. [3] Works around lack of ConnectEx on w2k using hidden windows and messaging [4] There are some basic C++ OCI wrappers in shared/liboci -- I've seen some much nicer ones recently that use the std streams idiom but don't quite cover the functionality I use [5] There are a few other things I look after, but they're all company internal and not really generic use without a lot of work in terms of bringing tools up to scratch/documentation/removing 3rd party code -- e.g. web log analyser (a few months ago, C++); in database security framework (a few years ago, either PL/SQL or T-SQL/ISAPI filter/C++ COM objects). [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Old Wolf Guest Posted: Fri Oct 15, 2004 11:26 am    Post subject: Re: What C++ projects are you working on? Dave <recneps.w.divad (AT) elcaro (DOT) moc> wrote: Quote: JeffS wrote: It's always interesting to see what types of projects people are using C++ (or any other language) for. Just finished a Monopoly simulator, You re-wrote Windows in C++? [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Paavo Helde Guest Posted: Fri Oct 15, 2004 10:01 pm    Post subject: Re: What C++ projects are you working on? Quote: jas (AT) rfgen (DOT) com (JeffS) wrote in message news:<6fa100b.0410131316.4313bfb1 (AT) posting (DOT) google.com>... It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? Personally, my most recent C++ projects were/are fairly lightweight, including a signature capture program, and screen mapping emulator console app. Any and all project listings are welcome! I'm involved in a project for high throughput screening (medical drug research). The software includes among other things: - hardware control software (robotic hands for moving plates, etc) - distributed computing in a LAN cluster - scripting language engine for carrying out script-based data analysis - dynamically loaded module libraries implementing the data analysis steps (numeric and image analysis) Everything is in C++, which gives us both the raw speed in data analysis and high-level abstraction and encapsulation which come handy e.g. in the scripting language engine. Regards Paavo [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Michael Kurz Guest Posted: Fri Oct 15, 2004 10:17 pm    Post subject: Re: What C++ projects are you working on? "JeffS" <jas (AT) rfgen (DOT) com> schrieb im Newsbeitrag news:6fa100b.0410131316.4313bfb1 (AT) posting (DOT) google.com... Quote: It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? I'm working on a realtime hand gesture recognition system, based on stereoscopy (2 cameras for getting a disparity image). Michael [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Lorenzo Bettini Guest Posted: Fri Oct 15, 2004 10:21 pm    Post subject: Re: What C++ projects are you working on? I use it for my free software: http://www.gnu.org/software/gengetopt This program generates a C function that uses getopt_long function to parse the command line options, to validate them and fills a struct http://www.gnu.org/software/src-highlite This program, given a source file, produces a document with syntax highlighting. http://www.lorenzobettini.it/software/gengen A parameterized-text-generator generator based on a template http://www.lorenzobettini.it/software/doublecpp Doublecpp is a preprocessor for C++ that handles a new linguistic construct for defining branches of a multi-method. The "right'' branch of such a method will be selected dynamically at run-time according to the actual type of the object on which the method is invoked and to the actual type of the first argument: double dispatch. -- +-----------------------------------------------------+ Quote: Lorenzo Bettini ICQ# lbetto, 16080134 | PhD in Computer Science | Dip. Sistemi e Informatica, Univ. di Firenze | Tel +39 055 4796741, Fax +39 055 4796730 | Florence - Italy (GNU/Linux User # 158233) | Home Page : http://www.lorenzobettini.it | http://music.dsi.unifi.it XKlaim language | http://www.lorenzobettini.it/purple Cover Band | http://www.gnu.org/software/src-highlite | http://www.gnu.org/software/gengetopt | http://www.lorenzobettini.it/software/gengen | http://www.lorenzobettini.it/software/doublecpp | +-----------------------------------------------------+ [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Francis Glassborow Guest Posted: Fri Oct 15, 2004 10:42 pm    Post subject: Re: What C++ projects are you working on? In article <843a4f78.0410142012.57284910 (AT) posting (DOT) google.com>, Old Wolf <oldwolf (AT) inspire (DOT) net.nz> writes Quote: Dave <recneps.w.divad (AT) elcaro (DOT) moc> wrote: JeffS wrote: It's always interesting to see what types of projects people are using C++ (or any other language) for. Just finished a Monopoly simulator, You re-wrote Windows in C++? Good comment. Many early books on programming suggest writing a program to simulate Monopoly. It is far less common these days because the copyright holders for the game of Monopoly got irritated enough to warn publishers that such programs are a breach of their intellectual property rights. There a vast number of games that have no IPR problems and many of them make good material for practice programming without risking the wrath of Parker Brothers. -- Francis Glassborow ACCU Author of 'You Can Do It!' see http://www.spellen.org/youcandoit For project ideas and contributions: http://www.spellen.org/youcandoit/projects [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Phlip Guest Posted: Fri Oct 15, 2004 10:52 pm    Post subject: Re: What C++ projects are you working on? JeffS wrote: Quote: It's always interesting to see what types of projects people are using C++ (or any other language) for. So, what is everyone currently working on with C++? What does/is the software supposed to do? Personally, my most recent C++ projects were/are fairly lightweight, including a signature capture program, and screen mapping emulator console app. I am writing <deep breath> a Qt-hosted Lindenmayer Systems modeler using Ruby for user-language and C++ for the efficiency layer, with back-end renderers such as OpenGL, POVray, Raybrandt, TkCanvas, and VRML. http://flea.sourceforge.net/ The CVS dump has the C++ stuff. Embedding Ruby inside C++ is a real joy. All scripting languages have a "variant" type in their C layer. Ruby calls its VALUE. I wrap that with this deceptively simple-looking wrapper: class Value { public: Value(VALUE nuV = Qnil): v(nuV) {} Value(char const * gv): v(Qnil) { assert(gv); assert('$' == gv[0]); // documentation sez this is optional. We don't agree v = rb_gv_get(gv); } operator VALUE() const { return v; } // TODO deprecate me Value &operator =(VALUE nuV) { v = nuV; return *this; } VALUE * getPtr() { assert(T_ARRAY == TYPE(v)); return RARRAY(v)->ptr; } long getLen() { assert(T_ARRAY == TYPE(v)); return RARRAY(v)->len; } Value getAt(long idx) { assert(idx < getLen()); return RARRAY(v)->ptr[idx]; } Value operator[](long idx) { return getAt(idx); } Value funcall ( char const * method, int argc = 0, VALUE arg1 = Qnil, VALUE arg2 = Qnil, VALUE arg3 = Qnil ) { return rb_funcall(v, rb_intern(method), argc, arg1, arg2, arg3); } Value iv_get(char const * member) { VALUE iv = rb_iv_get(v, member); return iv; } void iv_set(char const * member, VALUE datum) { rb_iv_set(v, member, datum); } private: VALUE v; }; // a smart wrapper for the Ruby VALUE type That permits one to chain statements, like this: out = Value("$out"); ax = egg.iv_get("@rootAxioms").funcall("first"); -- Phlip http://industrialxp.org/community/bin/view/Main/TestFirstUserInterfaces [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top Graeme Prentice Guest Posted: Fri Oct 15, 2004 10:53 pm    Post subject: Re: What C++ projects are you working on? On 15 Oct 2004 07:26:03 -0400, Mark Weaver wrote: Quote: Yet another ongoing project is my pdf reading library, which lets you recover text from PDF files (no, that's no where near as trivial as you think). This again gets used in my content indexing stuff (and that's mostly C). Most of my code is open source (LGPL or GPL) -- the code is all available at http://www.blushingpenguin.com/ via SVN (http://www.blushingpenguin.com/viewcvs/viewcvs.cgi/ to browse/download tarballs). The notable exception is the content indexer. I have been trying for some time to find a better way of viewing and searching the C++ standard pdf. Adobe acrobat searching and navigating is as primitive as it can get (and kept that way deliberately I suspect) unless the document is indexed by its creator, which the C++ standard is not. I converted it to a WORD document but it was unusable due to MS word's inability to handle large 10-20 MB documents. HTML document navigation and searching is also really poor in my view, considering how much html documents are used. If you want to develop a plugin for Acrobat you have to pay thousands of dollars to Adobe. Does your pdf text extraction retain any semblance of formatting or section indexing and what does the content indexer do? Graeme [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. First time posters: Do this! ] Back to top John Torjo Guest Posted: Fri Oct 15, 2004 11:19 pm    Post subject: Re: What C++ projects are you working on? Quote: For fun and exploration, my stuff is at http://www.dlugosz.com/Repertoire/refman/makeframe.html>. Currently I'm reworking some stuff that goes back to VC++5 and earlier, so has a lot of limitations to work around. Highlights include "class closures" that allow member functions to be used as Windows callbacks just a thought: have you taken a look at boost::bind/boost::function? Quote: and WinProcs; a collection class that provides for full thread safety (without ever blocking) and simultainious mixed aliasing/copy-on-write lock-free that is? Best, John John Torjo, Contributing editor, C/C++ Users Journal -- "Win32 GUI Generics" -- generics & GUI do mix, after all -- http://www.torjo.com/win32gui/ -- v1.5 - tooltips at your fingertips (work for menus too!) + bitmap buttons, tab dialogs, hyper links, lite html [ See http://www.gotw.ca/resources/clcm.htm for info about ] [ comp.lang.c++.moderated. 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