Want to protect your cyber security and still get fast solutions? Ask a secure question today.Go Premium

x
?
Solved

UrlEncode & UrlDecode

Posted on 2003-10-24
5
Medium Priority
?
4,551 Views
Last Modified: 2012-05-04
I need to encode my data and decode so it can be stored in xml.
Thanks,
Dominik
0
Comment
Question by:Daij-Djan
  • 2
  • 2
5 Comments
 
LVL 86

Expert Comment

by:jkr
ID: 9615902
Assuming you are on Windows: To encode, use 'InternetCanonicalizeUrl()', to decode use 'InternetCrackUrl()' with the 'ICU_ESCAPE ' flag.
0
 
LVL 86

Accepted Solution

by:
jkr earned 255 total points
ID: 9615910
0
 
LVL 5

Author Comment

by:Daij-Djan
ID: 9617696
Isnt InternetCrackUrl using URL_COMMPONENTS? Isnt it overkill to also try to split the url.
Especially if it isnt vaild!?
0
 
LVL 49

Assisted Solution

by:DanRollins
DanRollins earned 120 total points
ID: 9619020
It depends upon your needs (or rather the needs of the host to which you are passing data).  I use this simple fn to pass about 1500 bytes of XML to a host and I have been getting away with it for two years:

//-----------------------------------------------------------------------
// URL encoding of XML formdata
//
void DoUrlEncoding( CString& sXml )
{
      CString sRet, sTmp;
      int nLen= sXml.GetLength();
      for ( int j=0; j< nLen; j++ ) {
            char c= sXml[j];
            if ( isalnum(c) || c=='.' || c=='*' || c=='_' ) {
                  sRet+= c;
            }
            //------I was told must convert, but works in clear text
            else if ( c=='<') sRet += '<';
            else if ( c=='>') sRet += '>';
            else if ( c=='/') sRet += '/';
            else if ( c=='\"') sRet += '\"';
            // else if ( c==' ') sRet += ' ';          // I get away with this
            // else if ( c=='%') sRet += "%%";  // and this
            //----------------------------------
            else if ( c==' ') sRet += '+';      // output + for (space)
            else {
                  sTmp.Format( "%%%2.2X", c);     // output %NN (e.g., %C5 ) for other specials
                  sRet += sTmp;
            }
      }
      sXml= sRet;
}
0
 
LVL 5

Author Comment

by:Daij-Djan
ID: 9619095
The host is an app that stores its data as xml.
I write a plugin for it and i need to encode the data it stores and then, also DECODE it once it is passed back to me.

BTW I am almost sure _I_ have to encode %, too...
0

Featured Post

Free Tool: ZipGrep

ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.

One of a set of tools we're offering as a way to say thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Templates For Beginners Or How To Encourage The Compiler To Work For You Introduction This tutorial is targeted at the reader who is, perhaps, familiar with the basics of C++ but would prefer a little slower introduction to the more ad…
This article shows you how to optimize memory allocations in C++ using placement new. Applicable especially to usecases dealing with creation of large number of objects. A brief on problem: Lets take example problem for simplicity: - I have a G…
The viewer will learn how to user default arguments when defining functions. This method of defining functions will be contrasted with the non-default-argument of defining functions.
The viewer will learn how to clear a vector as well as how to detect empty vectors in C++.
Suggested Courses

572 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question