rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/pbd/strsplit.cc

@@ -0,0 +1,99 @@
+/*
+    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/strsplit.h>
+
+using namespace std;
+using namespace Glib;
+
+void
+split (string str, vector<string>& result, char splitchar)
+{	
+	string::size_type pos;
+	string remaining;
+	string::size_type len = str.length();
+	int cnt;
+
+	cnt = 0;
+
+	if (str.empty()) {
+		return;
+	}
+
+	for (string::size_type n = 0; n < len; ++n) {
+		if (str[n] == splitchar) {
+			cnt++;
+		}
+	}
+
+	if (cnt == 0) {
+		result.push_back (str);
+		return;
+	}
+
+	remaining = str;
+
+	while ((pos = remaining.find_first_of (splitchar)) != string::npos) {
+		result.push_back (remaining.substr (0, pos));
+		remaining = remaining.substr (pos+1);
+	}
+
+	if (remaining.length()) {
+
+		result.push_back (remaining);
+	}
+}
+
+void
+split (ustring str, vector<ustring>& result, char splitchar)
+{	
+	ustring::size_type pos;
+	ustring remaining;
+	ustring::size_type len = str.length();
+	int cnt;
+
+	cnt = 0;
+
+	if (str.empty()) {
+		return;
+	}
+
+	for (ustring::size_type n = 0; n < len; ++n) {
+		if (str[n] == gunichar(splitchar)) {
+			cnt++;
+		}
+	}
+
+	if (cnt == 0) {
+		result.push_back (str);
+		return;
+	}
+
+	remaining = str;
+
+	while ((pos = remaining.find_first_of (splitchar)) != ustring::npos) {
+		result.push_back (remaining.substr (0, pos));
+		remaining = remaining.substr (pos+1);
+	}
+
+	if (remaining.length()) {
+
+		result.push_back (remaining);
+	}
+}