https://codegolf.stackexchange.com/questions/44278/debunking-stroustrups-debunking-of-the-myth-c-is-for-large-complicated-pro

On Fri, 09 Jan 2015 13:50:28 +0000, eles wrote:

> https://codegolf.stackexchange.com/questions/44278/debunking-
stroustrups-debunking-of-the-myth-c-is-for-large-complicated-pro

Was excited to give it a try, then remembered...std.xml  :(

On Friday, 9 January 2015 at 16:55:30 UTC, Justin Whear wrote:
> Was excited to give it a try, then remembered...std.xml  :(

Well, as the author of my dom.d, I think it counts as a first party library when I use it!

---

import arsd.dom;
import std.net.curl;
import std.stdio, std.algorithm;

void main() {
	auto document = new Document(cast(string) get("http://www.stroustrup.com/C++.html"));
	writeln(document.querySelectorAll("a[href]").map!(a=>a.href));
}

---

prints:
[snip ... "http://www.morganstanley.com/", "http://www.cs.columbia.edu/", "http://www.cse.tamu.edu", "index.html", "C++.html", "bs_faq.html", "bs_faq2.html", "C++11FAQ.html", "papers.html", "4th.html", "Tour.html", "programming.html", "dne.html", "bio.html", "interviews.html", "applications.html", "glossary.html", "compilers.html"]



Or perhaps better yet:

import arsd.dom;
import std.net.curl;
import std.stdio;

void main() {
	auto document = new Document(cast(string) get("http://www.stroustrup.com/C++.html"));
	foreach(a; document.querySelectorAll("a[href]"))
		writeln(a.href);
}

Which puts each one on a separate line.

Huh, looking at the answers on the website, they're mostly using regular expressions. Weaksauce. And wrong - they don't find ALL the links, they find the absolute HTTP urls!

On Fri, 09 Jan 2015 17:18:42 +0000, Adam D. Ruppe wrote:

> Huh, looking at the answers on the website, they're mostly using regular expressions. Weaksauce. And wrong - they don't find ALL the links, they find the absolute HTTP urls!

Yes, I noticed that.  `<script src="http://app.js"`></script>` isn't a "hyperlink".

Wake up sheeple!

On Friday, 9 January 2015 at 13:50:29 UTC, eles wrote:
> https://codegolf.stackexchange.com/questions/44278/debunking-stroustrups-debunking-of-the-myth-c-is-for-large-complicated-pro

Link to answer in D:
http://codegolf.stackexchange.com/a/44417/13362

On 1/9/15 6:10 PM, Jesse Phillips wrote:
> On Friday, 9 January 2015 at 13:50:29 UTC, eles wrote:
>> https://codegolf.stackexchange.com/questions/44278/debunking-stroustrups-debunking-of-the-myth-c-is-for-large-complicated-pro
>>
>
> Link to answer in D:
> http://codegolf.stackexchange.com/a/44417/13362

Nailed it. -- Andrei

On Saturday, 10 January 2015 at 02:10:04 UTC, Jesse Phillips wrote:
> On Friday, 9 January 2015 at 13:50:29 UTC, eles wrote:
>> https://codegolf.stackexchange.com/questions/44278/debunking-stroustrups-debunking-of-the-myth-c-is-for-large-complicated-pro
>
> Link to answer in D:
> http://codegolf.stackexchange.com/a/44417/13362

I think byLine is not necessary. By default . will not match line breaks.

One statement solution:

import std.net.curl, std.stdio;
import std.algorithm, std.regex;

void main() {
	get("http://www.stroustrup.com/C++.html")
	    .matchAll(`<a.*?href="(.*)"`)
	    .map!(m => m[1])
	    .each!writeln();
}

Requires Phobos PR#2024 ;)

On Friday, 9 January 2015 at 17:18:43 UTC, Adam D. Ruppe wrote:
> Huh, looking at the answers on the website, they're mostly using regular expressions. Weaksauce. And wrong - they don't find ALL the links, they find the absolute HTTP urls!

Yeah... Surprising, since languages like python includes a HTML parser in the standard library.

Besides, if you want all resource links you have to do a lot better, since the following attributes can contain resource addresses: href, src, data, cite, xlink:href…

You also need to do entity expansion since the links can contain html entities like "&".

Depressing.

On Friday, 9 January 2015 at 17:18:43 UTC, Adam D. Ruppe wrote:
> Huh, looking at the answers on the website, they're mostly using regular expressions. Weaksauce. And wrong - they don't find ALL the links, they find the absolute HTTP urls!

Since it is a comparison of languages it's okay to match the original behaviour.