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POJavascript Hex Escaped String returned to Cocoa App without Escaped Characters
 

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  1. POJavascript Hex Escaped String returned to Cocoa App without Escaped Characters
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    <p>Part of an iPhone application that I'm developing is using a <em>UIWebView</em> to get the <em>onclick</em> event for certain elements on a page. One issue which has cropped up is on certain pages, like the iPhone version of <a href="http://news.google.com" rel="nofollow">http://news.google.com</a>, the page has already hex escaped the links like in the following:</p> <pre><code>javascript:window.open('/news/url?sa\x3dt\x26ct3\x3dMAA4CEgAUABgAWoCdXN6AWjYAQE\x26usg\x3dAFQjCNGUV1AFw0LsmkcQzNnvo69ma_dhhA\x26rt\x3dHOMEPAGE\x26url\x3dhttp://www.cnn.com/2010/US/11/30/wikileaks/?hpt%3DSbin');void(0); </code></pre> <p>When I receive the function from the <em>UIWebView</em> using the following method:</p> <pre><code>[webView stringByEvaluatingJavaScriptFromString: [NSString stringWithFormat:@"SomeFunction(%i,%i);",(NSInteger)pt.x,(NSInteger)pt.y]] </code></pre> <p>I receive back a String with the escaped characters in it as actual characters. So I receive back from the above method the javascript call with the hex escapes instead of:</p> <pre><code>javascript:window.open('/news/url?sa=t&amp;ct3=MAA4CEgAUABgAWoCdXN6AWjYAQE&amp;usg=AFQjCNGUV1AFw0LsmkcQzNnvo69ma_dhhA&amp;rt=HOMEPAGE&amp;url=http://www.cnn.com/2010/US/11/30/wikileaks/?hpt%3DSbin');void(0); </code></pre> <p>I have tried all sorts of methods of escaping the String in Javascript like percent escaping and URIEncoding/URIDecoding but it does not seem to work, just keeps sending the escaped string instead of the actual characters.</p> <p>Any help would be appreciated!</p>
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    1. COWait, where does the example string ("javascript:window.open...") come into it? Is that what `SomeFunction` is supposed to return?
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    2. COjavascript:window.open is part of the `onclick` attribute of some element in the DOM tree. It is returned by the `SomeFunction` but it is currently returning them with the escaping characters as individual characters rather than the character they are supposed to represent.
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