Encode/Decode URLs in C++ [closed]

I faced the encoding half of this problem the other day. Unhappy with the available options, and after taking a look at this C sample code, i decided to roll my own C++ url-encode function: #include <cctype> #include <iomanip> #include <sstream> #include <string> using namespace std; string url_encode(const string &value) { ostringstream escaped; escaped.fill(‘0’); escaped … Read more

What is the proper way to URL encode Unicode characters?

I would always encode in UTF-8. From the Wikipedia page on percent encoding: The generic URI syntax mandates that new URI schemes that provide for the representation of character data in a URI must, in effect, represent characters from the unreserved set without translation, and should convert all other characters to bytes according to UTF-8, … Read more

How can I properly URL encode a string in PHP?

For the URI query use urlencode/urldecode; for anything else use rawurlencode/rawurldecode. The difference between urlencode and rawurlencode is that urlencode encodes according to application/x-www-form-urlencoded (space is encoded with +) while rawurlencode encodes according to the plain Percent-Encoding (space is encoded with %20).

Encoding URL query parameters in Java

java.net.URLEncoder.encode(String s, String encoding) can help too. It follows the HTML form encoding application/x-www-form-urlencoded. URLEncoder.encode(query, “UTF-8”); On the other hand, Percent-encoding (also known as URL encoding) encodes space with %20. Colon is a reserved character, so : will still remain a colon, after encoding.

Should I URL-encode POST data?

General Answer The general answer to your question is that it depends. And you get to decide by specifying what your “Content-Type” is in the HTTP headers. A value of “application/x-www-form-urlencoded” means that your POST body will need to be URL encoded just like a GET parameter string. A value of “multipart/form-data” means that you’ll … Read more

Objective-C and Swift URL encoding

To escape the characters you want is a little more work. Example code iOS7 and above: NSString *unescaped = @”http://www”; NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]]; NSLog(@”escapedString: %@”, escapedString); NSLog output: escapedString: http%3A%2F%2Fwww The following are useful URL encoding character sets: URLFragmentAllowedCharacterSet “#%<>[\]^`{|} URLHostAllowedCharacterSet “#%/<>?@\^`{|} URLPasswordAllowedCharacterSet “#%/:<>?@[\]^`{|} URLPathAllowedCharacterSet “#%;<>?[\]^`{|} URLQueryAllowedCharacterSet “#%<>[\]^`{|} URLUserAllowedCharacterSet “#%/:<>?@[\]^` Creating a … Read more

How to encode a URL in Swift [duplicate]

Swift 4.2 var urlString = originalString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) Swift 3.0 var address = “American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India” let escapedAddress = address.addingPercentEncoding(withAllowedCharacters: CharacterSet.urlQueryAllowed) let urlpath = String(format: “http://maps.googleapis.com/maps/api/geocode/json?address=\(escapedAddress)”) Use stringByAddingPercentEncodingWithAllowedCharacters: var escapedAddress = address.stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedCharacterSet()) Use stringByAddingPercentEscapesUsingEncoding: Deprecated in iOS 9 and OS X v10.11 var address = “American Tourister, Abids Road, Bogulkunta, … Read more

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