13
0
livetrax/libs/pbd/whitespace.cc
Paul Davis e8a2bf9b49 fix egregious programming sloppiness in strip_whitespace_edges
git-svn-id: svn://localhost/ardour2/trunk@1121 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-11-13 03:11:32 +00:00

58 lines
816 B
C++

#include <pbd/whitespace.h>
using namespace std;
void
strip_whitespace_edges (string& str)
{
string::size_type i;
string::size_type len;
string::size_type s;
len = str.length();
if (len == 1) {
return;
}
/* strip front */
for (i = 0; i < len; ++i) {
if (isgraph (str[i])) {
break;
}
}
if (i == len) {
/* its all whitespace, not much we can do */
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);
}
}