Getting The Basic Web Address

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I'm getting the address from the location bar of my current browser window, like this "http://www.codeproject.com/KB/webforms/FileUploadWithProgrss.aspx"
However I just want this: www.codeproject.com

How would I do this?

Below is my code.

C++

#include "stdafx.h"
#include <stdio.h>
#include <wchar.h>
#include <windows.h>
#include <exdisp.h>

#pragma warning(disable: 4192)
#pragma warning(disable: 4146)
#import <mshtml.tlb>
#import <shdocvw.dll>
 
void PrintBrowserInfo(IWebBrowser2 *pBrowser) {
	BSTR bstr;
 	IDispatchPtr spDisp;
	if (pBrowser->get_Document(&spDisp) == S_OK && spDisp != NULL) {
		MSHTML::IHTMLDocument2Ptr spHtmlDocument(spDisp);
		if (spHtmlDocument != NULL) {
			MSHTML::IHTMLElementPtr spHtmlElement;
			spHtmlDocument->get_body(&spHtmlElement);
		}
		spDisp.Release();
	}
	pBrowser->get_LocationURL(&bstr);
	wprintf(L"  URL: %s\n\n", bstr);
	SysFreeString(bstr);
}
 
int main() {
	CoInitialize(NULL);
	SHDocVw::IShellWindowsPtr spSHWinds;
	IDispatchPtr spDisp;
	if (spSHWinds.CreateInstance(__uuidof(SHDocVw::ShellWindows)) == S_OK) {
		long nCount = spSHWinds->GetCount();
		for (long i = 0; i < nCount; i++) {
			_variant_t va(i, VT_I4);
			spDisp = spSHWinds->Item(va);
			SHDocVw::IWebBrowser2Ptr spBrowser(spDisp);
			if (spBrowser != NULL) {
				PrintBrowserInfo((IWebBrowser2 *)spBrowser.GetInterfacePtr());
				spBrowser.Release();
			}
		}
	} else {
		puts("Shell windows failed to initialise");
	}
	system("PAUSE");
	return 0;
}

I'm using multi-byte character set.

Posted 7-Nov-11 9:18am

Member 7766180

Updated 7-Nov-11 9:25am

André Kraak

v3

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2 solutions

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JackDingler · Accepted Answer · 2011-11-07T09:40:00

Solution 3

You can try this...

C++

std::wstring wsURL = bstr;

size_t DSlashLoc = wsURL.find(L"//");

if (DSlashLoc >= 0)
{
    wsURL.erase(wsURL.begin(), wsURL.begin() + DSlashLoc + 2);
    wsURL.erase(wsURL.begin() + wsURL.find(L'/'));
}

wprintf(L"  URL: %s\n\n", wsURL.c_str());

Posted 7-Nov-11 9:40am

JackDingler

Comments

Member 7766180 7-Nov-11 15:47pm

This looks doable for me (at my level) except I'm getting an error on this.
std::wstring wsURL = bstr;
wtring is not a member of std.

JackDingler 7-Nov-11 15:52pm

include string in your header list.

Member 7766180 7-Nov-11 15:58pm

OK, I ran it and I am getting this..The original

URL: http://www.codeproject.com/Questions/279676/Getting-The-Basic-Web-Address

With your code
URL: www.codeproject.comQuestions/279676/Getting-The-Basic-Web-Address

Member 7766180 7-Nov-11 16:14pm

Should be a way to erase everything to the right of "/" including "/"?

JackDingler 7-Nov-11 16:46pm

This line should erase everything starting at '/';
wsURL.erase(wsURL.begin() + wsURL.find(L'/'));

Be sure your wprintf statement doesn't have the original bstr in it.

JackDingler 7-Nov-11 15:52pm

Looks like the 'code' specifier doesn;t work in this section....

Member 7766180 7-Nov-11 15:59pm

Not sure what you mean?

Member 7766180 7-Nov-11 19:08pm

This works.

std::wstring wsURL;
wsURL = bstr;
size_t DSlashLoc = wsURL.find(L"//www.");
if (DSlashLoc >= 0)
{
wsURL.erase(wsURL.begin(), wsURL.begin() + DSlashLoc + 6);
}
DSlashLoc = wsURL.find(L"/");
if (DSlashLoc != wsURL.npos)
wsURL.erase(DSlashLoc);
wprintf(L" URL: %s\n\n", wsURL.c_str());

Sergey Alexandrovich Kryukov · Accepted Answer · 2011-11-07T09:30:00

Solution 2

One way is to use the Open Source boost library, see http://stackoverflow.com/questions/2616011/easy-way-to-parse-a-url-in-c-cross-platform[^].

This is another way: http://stackoverflow.com/questions/2151854/c-resolve-a-host-ip-address-from-a-url[^].

—SA

Posted 7-Nov-11 9:30am

Sergey Alexandrovich Kryukov

Comments

Member 7766180 7-Nov-11 15:42pm

Another great answer!

Sergey Alexandrovich Kryukov 7-Nov-11 15:43pm

I'm glad if you like it.
--SA