UltraEdit, UltraCompare, UEStudio forums

Code: Select all

// Determine line termination used currently in active file.
var sLineTerm = "\r\n";
if (typeof(UltraEdit.activeDocument.lineTerminator) == "number")
{
   // The two lines below require UE v16.00 or UES v10.00 or later.
   if (UltraEdit.activeDocument.lineTerminator == 1) sLineTerm = "\n";
   else if (UltraEdit.activeDocument.lineTerminator == 2) sLineTerm = "\r";
}
else  // This version of UE/UES does not offer line terminator property.
{
   if (UltraEdit.activeDocument.selection.indexOf(sLineTerm) < 0)
   {
      sLineTerm = "\n";          // Not DOS, perhaps UNIX.
      if (UltraEdit.activeDocument.selection.indexOf(sLineTerm) < 0)
      {
         sLineTerm = "\r";       // Also not UNIX, perhaps MAC.
         if (UltraEdit.activeDocument.selection.indexOf(sLineTerm) < 0)
         {
            sLineTerm = "\r\n";  // No line terminator, use DOS.
         }
      }
   }
}

Code: Select all

   var nLineTermPos = UltraEdit.activeDocument.selection.search(/\r?\n|\r/);
   if (nLineTermPos >= 0)
   {
      sLineTerm = UltraEdit.activeDocument.selection.substr(nLineTermPos,2).replace(/^(\r?\n|\r).*$/,"$1");
   }

Code: Select all

// Select everything in active file.
UltraEdit.activeDocument.selectAll();

// Copy entire file to active clipboard.
UltraEdit.activeDocument.copy();

// Load text from active clipboard to string variable my_File.
/* The selected text could be assigned to string variable my_File
   directly using var my_File = UltraEdit.activeDocument.selectAll();
   The file content in clipboard is not further used in entire script. */
var my_File = UltraEdit.clipboardContent;

// Define a JavaScript RegExp object to find globally disp-formula
// starting tags with an identifier deqn with a range specification.
var my_exp = /<disp-formula id="deqn\d+-\d+">/g;

// Get all strings matching this regular expression.
var find_exp = my_File.match(my_exp);

// Was any string found at all?
/* Why !== is used instead of just != is not clear for me. Either variable
   find_exp is a null pointer or it is an array of strings. The extra data
   type check caused by using !== instead of just != is not necessary here. */
if (find_exp !== null){

   // Create a new file with encoding and line terminator type as configured.
   /* If the condition above is not true because a disp-forumla element with a range
      identifier could not be found in file content of active file respectively  in clipboard
      content, no new file is created which results in keeping input file as active file. */
   UltraEdit.newFile();
   /* A new file becomes always automatically the active file. Also the right
      usage of setActive() is something like UltraEdit.document[1].setActive();
      It does not make sense to use setActive() on already active document. */
   UltraEdit.activeDocument.setActive();

   // Write each found string into the new file line by line with using just
   // line-feed as line termination.
   /* The new file is hopefully created as UNIX file as this is expected by this code. */
   for (var i=0; i<find_exp.length; i++){
      UltraEdit.activeDocument.write(find_exp[i]+'\n');

      /* This line is really useless. It runs the same match as already used
         above again on entire file content to get again all strings matching
         the regular expression and replaces the currently processed array of
         strings with a newly created array of strings with the same strings. */
      find_exp = my_File.match(my_exp);
   }
}

/* The caret is moved to end of file which is useless on being the new file
   with the found strings written into the file line by line as the caret
   is already at end of this file. But it is also possible that the caret is
   moved to end of input file which results in discarding the selection too. */
UltraEdit.activeDocument.bottom();

/* In case of active file is the new file, the last line termination is deleted.
   Otherwise the last character at end of input file is deleted without knowing
   what is at end of input file. */
UltraEdit.activeDocument.key("BACKSPACE");

/* The new file or the input file is converted to DOS. */
UltraEdit.activeDocument.unixMacToDos();

/* On new file trailing spaces or tabs are removed although it definitely does
   not have trailing spaces or tabs because of the used regular expression.
   But it is also possible that trailing spaces and tabs are remove from input file. */
UltraEdit.activeDocument.trimTrailingSpaces();

// Select everything in new file or once again in input file.
UltraEdit.activeDocument.selectAll();

/* Well, the new file is definitely not empty. The active file could have
   been empty, but that was not verified at beginning of the file and so
   it is possible that code above processed clipboard content not copied
   by this script to active clipboard. */
if (UltraEdit.activeDocument.isSel())
{
   /* Determine line terminator type of either new file which was expected
      first as being UNIX and was converted next to DOS or of input file. */
   var sLineTerm;
   if (UltraEdit.activeDocument.lineTerminator <= 0) sLineTerm = "\r\n";
   else if (UltraEdit.activeDocument.lineTerminator == 1) sLineTerm = "\n";
   else sLineTerm = "\r";

   /* All lines of active document (new file or input file) are loaded now
      into an array of strings with each line being a string in the array
      with strange name myString. In case of active file is the new file,
      the string array myString contains the same strings as the string
      array find_exp created multiple times above. */
   var myString = UltraEdit.activeDocument.selection.split(sLineTerm);
}