1 files changed, 32 insertions, 0 deletions
diff --git a/tools/splitstring.c b/tools/splitstring.c
new file mode 100644
index 0000000..14af577
--- /dev/null
+++ b/tools/splitstring.c
@@ -0,0 +1,32 @@
+using namespace std;
+
+class splitstring : public string {
+    vector<string> flds;
+public:
+    splitstring(const char *s) : string(s) { };
+    vector<string>& split(char delim, int rep=0);
+};
+
+// split: receives a char delimiter; returns a vector of strings
+// By default ignores repeated delimiters, unless argument rep == 1.
+vector<string>& splitstring::split(char delim, int rep) {
+    if (!flds.empty()) flds.clear();  // empty vector if necessary
+    string work = data();
+    string buf = "";
+    int i = 0;
+    while (i < work.length()) {
+        if (work[i] != delim)
+            buf += work[i];
+        else if (rep == 1) {
+            flds.push_back(buf);
+            buf = "";
+        } else if (buf.length() > 0) {
+            flds.push_back(buf);
+            buf = "";
+        }
+        i++;
+    }
+    if (!buf.empty())
+        flds.push_back(buf);
+    return flds;
+}