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/*
* Include_Guard.bsh - a BeanShell macro script for the
* jEdit text editor - for C/C++ header files: inserts preprocessor
* directive in current buffer to ensure that header is included only
* once per compilation unit
* Copyright (C) 2001 John Gellene
* [email protected]
* http://community.jedit.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the jEdit program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id: Include_Guard.bsh 23971 2015-08-08 19:37:35Z daleanson $
*
* Notes on use:
*
* An "include guard" is a conventional mechanism for reducing
* compilation time for C/C++ source files by ensuring that the
* substance of a header file is read by the preprocessor only once
* for each compilation unit. The usual reason this is necessary is
* the presence of nested include files, sometimes an unavoidable
* circumstance when creating a hierarchy of classes.
*
* To use the macro, first place the caret at the beginning of the header
* file before any uncommented text. The macro returns to this position
* upon completion.
*
* The macro will complain if you have not yet named the buffer, but it
* does not check to see if the buffer is actually a header file.
*
* The defined term that triggers the guard is taken from the buffer's
* name. This is one conventional approach and should not cause a conflict
* unless a compilation unit includes header files from different
* directories with the same name. In that case, change the conflicting
* guard names manually.
*
*
* Checked for jEdit 4.0 API
*
*/
void includeGuard()
{
if(buffer.isUntitled())
{
Macros.error(view, "Name the file before inserting an include guard.");
return;
}
guardName = buffer.getName().toUpperCase().replace('.', '_') ;
pos = textArea.getCaretPosition();
textArea.setCaretPosition(0);
textArea.setSelectedText("#ifndef " + guardName + "\n#define " + guardName + "\n\n");
pos1 = textArea.getCaretPosition();
textArea.setCaretPosition(buffer.getLength());
textArea.setSelectedText("\n#endif // #ifndef " + guardName + "\n");
textArea.setCaretPosition(pos + pos1);
}
includeGuard();
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