js-unicode-escape.1sc

/*
  js-unicode-escape.1sc: 010 Editor Script File to %u encode selected bytes (little endian) for JavaScript's unescape("%uDEAD")
  and copy the result to the clipboard
  Version 0.0.3 2013/04/15
  Source code put in public domain by Didier Stevens, no Copyright
  https://DidierStevens.com
  Use at your own risk

  Shortcomings, or todo's ;-)

  History:
    2009/10/22: v0.0.1 start
    2010/02/13: v0.0.2 included CopyStringToClipboard (requires v3.1 at least, since prior versions don't include function CopyStringToClipboard)
    2013/04/15: v0.0.3 Refactoring & cleanup
*/

#define TITLE "js-unicode-escape"

void Main(void)
{
    int iIter;
    int iStart;
    int iSize;
    string sToClipboard;
    string sTemp;

    if (FileCount() == 0)
    {
        MessageBox(idOk, TITLE, "At least one file needs to be open.");
        return;
    }

    // Initializes the variables
    iSize = GetSelSize();
    iStart = GetSelStart();

    // Check that bytes were selected, otherwise process complete file
    if (iSize == 0)
    {
      iSize = FileSize();
      iStart = 0;
    }

    if (iSize > 10000 && MessageBox(idYes | idNo, TITLE, "It could take a long time to process %d bytes, do you want to continue?", iSize) == idNo)
      return;

    // Process and output bytes in %u format
    Strcat(sToClipboard, "");
    LittleEndian();
    for (iIter = 0; iIter < iSize / 2; iIter++)
    {
      SPrintf(sTemp, "%%u%04x", ReadUShort(iStart + 2 * iIter));
      Strcat(sToClipboard, sTemp);
    }
    if (iSize % 2 == 1)
    {
      SPrintf(sTemp, "%%u%04x", ReadUByte(iStart + iSize - 1));
      Strcat(sToClipboard, sTemp);
    }
    CopyStringToClipboard(sToClipboard);
    Printf("%s result copied to clipboard\n", TITLE);
}

Main();