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<!DOCTYPE HTML> |
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<head> |
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<style> |
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.match { |
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background-color: green; |
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color: white; |
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} |
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.not-match { |
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background-color: red; |
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color: white; |
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} |
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</style> |
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<body> |
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|
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<table> |
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<thead><tr><th>Original Byte<th>Result String |
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<tbody> |
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</table> |
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|
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<iframe style=display:none src=dummy></iframe> |
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|
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<script> |
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var query = (location.search || '?').substring (1).split (/;/); |
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var charset = decodeURIComponent (query[0] || ''); |
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var plain = query[1] == 'plain'; |
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var iframe = document.getElementsByTagName ('iframe')[0]; |
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var tbody = document.getElementsByTagName ('tbody')[0]; |
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var nextByte = -1; |
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var lastTimer; |
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var results = []; |
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var timeoutError = true; |
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|
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var mappingTables = {}; |
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var mappingTableNames = ['ie7vista', 'safari31vista', 'opera92vista', 'fx2vista']; |
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var theadtr = document.getElementsByTagName ('thead')[0].firstChild; |
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for (var i = 0; i < mappingTableNames.length; i++) { |
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readMappingTable (charset, mappingTableNames[i]); |
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theadtr.appendChild (document.createElement ('th')) |
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.appendChild (document.createTextNode (mappingTableNames[i])); |
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} |
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|
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doNext (); |
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|
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function readMappingTable (charset, uaid) { |
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var c = charset.replace (/[^A-Za-z0-9_-]/g, '_'); |
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var fileName = 'result/' + c + '-' + uaid + '.txt'; |
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var xhr = new XMLHttpRequest (); |
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xhr.open ('GET', fileName, false); |
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xhr.send (null); |
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if (xhr.status < 400) { |
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mappingTables[uaid] = xhr.responseText.split ('\n'); |
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} |
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} // readMappingTable |
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|
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function doNext () { |
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clearTimeout (lastTimer); |
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timeoutError = false |
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|
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if (nextByte == -1) { |
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if (document.all && !window.opera) { |
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iframe.onreadystatechange = function () { |
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if (this.readyState == 'complete') { |
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doNext (); |
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} |
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}; |
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} else { |
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iframe.onload = doNext; |
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} |
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nextByte++; |
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iframe.src = 'about:blank'; |
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} else if (nextByte <= 0xFF) { |
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if (document.all && !window.opera) { |
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iframe.onreadystatechange = function () { |
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if (this.readyState == 'complete') { |
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addTableRow (); |
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} |
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}; |
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} else { |
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iframe.onload = addTableRow; |
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} |
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lastTimer = setTimeout (function () { |
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timeoutError = true; |
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iframe.onload = null; |
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iframe.onreadystatechange = null; |
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addTableRow (); |
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}, 5000); |
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iframe.src = 'charset.cgi/' + encodeURIComponent (charset) |
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+ '?' + nextByte++ + (plain ? ';plain' : ''); |
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} else { |
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iframe.onload = null; |
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iframe.onreadystatechange = null; |
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doLast (); |
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} |
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} // doNext |
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|
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function addTableRow () { |
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var tr = document.createElement ('tr'); |
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|
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tr.appendChild (document.createElement ('th')) |
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.appendChild (document.createTextNode (getByteCode (nextByte - 1))); |
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|
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var td = tr.appendChild (document.createElement ('td')); |
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var docbody = iframe.contentWindow.document.body; |
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var value = timeoutError ? '' : docbody.firstChild ? docbody.firstChild.firstChild ? docbody.firstChild.firstChild.data : docbody.firstChild.data || '' : ''; |
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for (var i = 0; i < value.length; i++) { |
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td.appendChild (document.createTextNode (getCharCode (value.charCodeAt (i)) + ' ')); |
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} |
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results[nextByte - 1] = td.innerText || td.textContent; |
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|
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for (var i = 0; i < mappingTableNames.length; i++) { |
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var tableid = mappingTableNames[i]; |
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var cell = tr.appendChild (document.createElement ('td')); |
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var cellValue = ''; |
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if (mappingTables[tableid]) { |
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cellValue = mappingTables[tableid][nextByte - 1]; |
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cell.appendChild (document.createTextNode (cellValue)); |
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if (cellValue != results[nextByte - 1]) { |
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cell.className = 'not-match'; |
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} else { |
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cell.className = 'match'; |
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} |
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} else { |
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cell.className = 'no-data'; |
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} |
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} |
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|
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tbody.appendChild (tr); |
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|
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doNext (); |
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} // addTableRow |
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|
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function doLast () { |
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var ta = document.createElement ('textarea'); |
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ta.value = results.join ('\n'); |
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document.body.appendChild (ta); |
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} // doLast |
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|
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function getByteCode (c) { |
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var r = c.toString (16).toUpperCase (); |
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if (r.length < 2) { |
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r = '0' + r; |
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} |
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return '0x' + r; |
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} // getByteCode |
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|
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function getCharCode (c) { |
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var r = c.toString (16).toUpperCase (); |
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if (r.length < 2) { |
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r = '000' + r; |
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} else if (r.length < 3) { |
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r = '00' + r; |
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} else if (r.length < 4) { |
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r= '0' + r; |
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} |
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return 'U+' + r; |
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} // getCharCode |
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|
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</script> |