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626

N.A.N.Y. 2018 / NANY 2018 Release: twtxtc

« Last post by Tuxman on September 17, 2017, 11:09 AM »

Application Name	twtxtc
Short Description	A command line client for the twtxt micro-blogging network
Supported OSes	tested on FreeBSD and Windows 10 will probably work everywhere else as long as a decent C compiler and curl exist
Licenses	CDDL 1.0 (since Nov 2020)
Web Page	https://hub.darcs.ne...rtuxmalwieder/twtxtc
Download Link	Check the attachment or compile your own version from the website
System Requirements	runtime: curl (executable) in your PATH building: CMake and a C compiler
Author	Take a guess!

A command-line client for the twtxt micro-blogging system, written in C.

README (excerpts pasted here for your convenience, please refer to the website for boring technical details and TODOs):

What is twtxt?

twtxt is a decentralised, minimalist approach to micro-blogging, similar to Twitter but with self-hosted plaintext files. See the original twtxt documentation for details. twtxtc is a twtxt client written in the C language.

Requirements

Build or download an appropriate curl binary for your system and place it into your $PATH or the twtxtc folder. If you don't, you won't be able to retrieve your timeline. Sorry.

Usage

[Select]
./twtxtc [COMMAND]

Commands

[Select]
tweet <text> Adds <text> to your twtxt timeline.
timeline Displays your twtxt timeline.
following Gives you a list of all people you follow.
follow <user> <URL> Adds the twtxt file from <URL> to your timeline.
<user> defines the user name to display.
unfollow <user> Removes the user with the display name <user> from your timeline.
help Displays a help screen.

Configuration

If found, twtxtc will use the .twtxtconfig file inside your HOME directory. (See twtxtc help for information on where it should be found.) The .twtxtconfig file is meant to be a valid JSON file like this:

[Select]
{
"nickname": "tux0r",
"twtxtfile": "twtxt.txt",
"maxlog": 100,
"spacing": " ",
"following": {
"user_1": "https://example.com/twtxt.txt",
"user_2": "https://elsewhere.com/tweets.txt"
}
}

Possible entries are:

nickname: Your preferred nickname. Only used to filter mentions to other people.
twtxtfile: The location of your twtxt.txt file. Defaults to ./twtxt.txt.
maxlog: The maximum number of entries shown when you view your timeline. Defaults to 100.
spacing: A string value that contains the spacing between the user name and the text when viewing your timeline. Defaults to three spaces.
following: A list of users you follow. Can be managed with the follow and unfollow commands.
The current limit of the list of users you are following is at 4 KiB. You probably won't reach that limit any time soon.

A Windows binary is attached. Here is the source code for your pleasure:
https://hub.darcs.ne...rtuxmalwieder/twtxtc

Have fun etc. etc.

627

N.A.N.Y. 2017 / Re: NANY 2017: Tiny Server Inventory

« Last post by Tuxman on September 11, 2017, 02:08 PM »

A search ability was planned but I couldn't find time for it.

That's why I wonder if anyone wants to maintain it.

628

N.A.N.Y. 2017 / Re: NANY 2017: Tiny Server Inventory

« Last post by Tuxman on September 10, 2017, 05:31 PM »

As I noticed my plans to improve "TSI" are (more or less) postponed indefinitely, I wonder if anyone of you would be interested in an Open Source version of it (namely, just access to the source code). I might upload it somewhere then.

629

Developer's Corner / Duktape/Dukglue: Embed JavaScript in your application without blowing it up!

« Last post by Tuxman on September 03, 2017, 07:52 PM »

While reviewing small browsers, I came across NetSurf as well. NetSurf is a fast and bloat-free web browser which happens to have got JavaScript support in younger incarnations by adding the Duktape ECMAScript engine.

Duktape, written in C, is much smaller than V8 or similar JS engines, making it a good choice for embedded systems or things like adding a scripting functionality to existing software. No web browser involved! It supports ECMAScript 5.1 with some additions from newer revisions, including regular expressions and Unicode. For lazy people like me, there is a C++ wrapper named Dukglue (quack!) available which lacks (good) documentation but works like a charm. If you ever thought that your application could need a good scripting engine, Duktape seems to be a good choice. Your C/C++ code can access any script functions and your scripts can access exported C/C++ symbols which is easier than it sounds.

You want an example? You get an example!
Assume that you want to have a JavaScript plug-in which doubles any input value.

Code: Javascript [Select]

var DemoScript = {};
DemoScript.double = function(number) {
    return number*2;
}
DemoScript;

Here's how Dukglue probably* handles it:

Code: C++ [Select]

#include <string>
#include <iostream>
#include <fstream>
#include <dukglue/dukglue.h> // <- this is important
 
// ... blah ...
 
void processScripts(scriptfile) {
    duk_context* ctx = duk_create_heap_default();
    
    std::ifstream infile(scriptfile); // add the exists() check yourself pls.
    std::string file_contents = [&infile] {
        // Read the script file contents for processing.
        std::ostringstream ss{};
        ss << infile.rdbuf();
        return ss.str();
    }();
 
    try {
        // Give me a local handle to the script:
        DukValue script = dukglue_peval<DukValue>(ctx, file_contents.c_str());
 
        // Try to call double(2):
        int value = dukglue_pcall_method<int>(ctx, script, "double", 2);
        std::cout << "The double value of 2 is " << value << std::endl;
    }
    catch (DukException& e) {
        // Damn.
        std::cout << "Blimey! Something bad happened. " << e.what();
    }
    
    duk_destroy_heap(ctx);
}
 
// now call processScripts("double.js"); or whatever.

* I was lazy, I just assumed it would work like this and it probably does. A more complex and actually tested

example is part of my blog software (nudge, nudge).

According to mouser, this might be interesting for more people than just me. So here it is.

630

General Software Discussion / Re: In search of a lightweight multi-user cms/blog for hosting coders

« Last post by Tuxman on September 03, 2017, 08:15 AM »

Those are not even remotely as easy as WPMU, sadly.

631

General Software Discussion / Re: In search of a lightweight multi-user cms/blog for hosting coders

« Last post by Tuxman on September 02, 2017, 10:00 AM »

multi-user cms/blog system where we would only have to maintain one central piece of software and could create lots of individual user accounts

WordPress has a built-in "network" functionality (formerly known as "WordPress MU" for "Multi-User"). The only notable disadvantage is that it's still WordPress.

632

Living Room / Re: Educational resources for developing Critical Thinking skills.

« Last post by Tuxman on August 30, 2017, 05:15 PM »

Long, boring text, trying to teach you to think yourself. $:-\$

633

Developer's Corner / Re: Your First Programming Language vs Now

« Last post by Tuxman on August 30, 2017, 08:45 AM »

Node.js is not even a language.

634

DC Member Programs and Projects / Re: blogcpp: Static blogging in C++17

« Last post by Tuxman on August 26, 2017, 11:32 AM »

Someone provided Debian GNU/Linux binaries:
https://blog.mdosch....-in-debian-benutzen/

(It's in German, but you should be able to find the .tar.bz2 link.)

635

DC Member Programs and Projects / Re: blogcpp: Static blogging in C++17

« Last post by Tuxman on August 24, 2017, 05:12 PM »

At least it opens your eyes for a new perspective (i.e. a number of compilation errors you cannot reproduce).

636

DC Member Programs and Projects / Re: blogcpp: Static blogging in C++17

« Last post by Tuxman on August 24, 2017, 03:05 PM »

Version 5 will presumably be released this weekend. I found a tester on GNU/Linux who helped me squash a number of bugs and introduce newer, better bugs.

Debian sid can do BlogC++ now.

637

Living Room / Re: Can DC member bail out Firefox via Waterfox ?

« Last post by Tuxman on August 22, 2017, 06:01 AM »

The Waterfox Project seems to be the only viable alternative that bears the promise of maintaining the legacy add-ons which shall soon no longer be compatible with Firefox.
-dantheman (August 20, 2017, 10:55 AM)

Have you ever heard of Pale Moon?

638

Found Deals and Discounts / Re: Softmaker Shop 40% 0ff

« Last post by Tuxman on August 15, 2017, 07:32 AM »

you also get access to one year free antivirus updates for Emsisoft Anti-Malware.
-tomos (August 14, 2017, 08:52 AM)

Every good offer has a scar, I guess.

1487 copies are still available...

Limited copies of a file?

(could be it was rolled out in Europe first)

Softmaker started informing me of their recent discounts a couple of days ago. Germans...

Too bad I already got the Standard Edition.

639

DC Member Programs and Projects / Re: blogcpp: Static blogging in C++17

« Last post by Tuxman on August 14, 2017, 02:50 PM »

BlogC++ can do threading now. Maybe there will be a version 5 this year.

640

General Software Discussion / Re: Opera 12.15's source code has been leaked online

« Last post by Tuxman on August 12, 2017, 06:53 AM »

641

General Software Discussion / Re: Git, Mercurial, SVN, and CVS affected by severe vulnerability

« Last post by Tuxman on August 11, 2017, 07:38 PM »

Hooray, assumptions!

642

General Software Discussion / Re: Git, Mercurial, SVN, and CVS affected by severe vulnerability

« Last post by Tuxman on August 11, 2017, 07:27 PM »

I admit it doesn't look too well for Mercurial. Hmm, Darcs?

(I still need an excuse to spend more time with it.)
But I also admit that - while ssh:// links were quite common when my go-to VCS was SVN - the number of times I had a ssh:// link in Hg was actually zero up to this day. Doesn't Git have git:// as well?

643