1 files changed, 48 insertions, 0 deletions
diff --git a/lib/mystring/iter.cc b/lib/mystring/iter.cc
new file mode 100644
index 0000000..3a84d1c
--- /dev/null
+++ b/lib/mystring/iter.cc
@@ -0,0 +1,48 @@
+// Copyright (C) 2017 Bruce Guenter <bruce@untroubled.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
+// (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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#include "mystring.h"
+
+mystring_iter::mystring_iter(const mystring& s, char e)
+  : str(s), sep(e), pos(0)
+{
+  advance();
+}
+
+mystring_iter::~mystring_iter()
+{
+}
+
+void mystring_iter::advance()
+{
+  if(pos == -1)
+    return;
+  int i = str.find_first(sep, pos);
+  if(i == -1) {
+    if(pos >= 0 && pos < (int)str.length()) {
+      part = str.right(pos);
+      pos = str.length();
+    }
+    else {
+      part = "";
+      pos = -1;
+    }
+  }
+  else {
+    part = str.sub(pos, i-pos);
+    pos = i + 1;
+  }
+}