David Robillard
2e8f80e37a
Updated for Jack MIDI SVN branch (required for now). git-svn-id: svn://localhost/ardour2/branches/midi@1720 d708f5d6-7413-0410-9779-e7cbd77b26cf
81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
/*
|
|
Copyright (C) 2000-2007 Paul Davis
|
|
|
|
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
|
|
(at your option) 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 this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
#include <pbd/whitespace.h>
|
|
|
|
using namespace std;
|
|
|
|
namespace PBD {
|
|
|
|
void
|
|
strip_whitespace_edges (string& str)
|
|
{
|
|
string::size_type i;
|
|
string::size_type len;
|
|
string::size_type s = 0;
|
|
|
|
len = str.length();
|
|
|
|
if (len == 1) {
|
|
return;
|
|
}
|
|
|
|
/* strip front */
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
if (isgraph (str[i])) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == len) {
|
|
/* it's all whitespace, not much we can do */
|
|
str = "";
|
|
return;
|
|
}
|
|
|
|
/* strip back */
|
|
|
|
if (len > 1) {
|
|
|
|
s = i;
|
|
i = len - 1;
|
|
|
|
if (s == i) {
|
|
return;
|
|
}
|
|
|
|
do {
|
|
if (isgraph (str[i]) || i == 0) {
|
|
break;
|
|
}
|
|
|
|
--i;
|
|
|
|
} while (true);
|
|
|
|
str = str.substr (s, (i - s) + 1);
|
|
|
|
} else {
|
|
str = str.substr (s);
|
|
}
|
|
}
|
|
|
|
} // namespace PBD
|