improved function to float text around poster in textwindow

1 files changed, 31 insertions, 0 deletions

diff --git a/helpers.c b/helpers.c
index 0f8d42d..8de3bf2 100644
--- a/helpers.c
+++ b/helpers.c
@@ -108,4 +108,35 @@ static std::string CutText(std::string text, int width, const cFont *font) {
         }
     }
     return cuttedText;
+}
+
+class splitstring : public std::string {
+    std::vector<std::string> flds;
+public:
+    splitstring(const char *s) : std::string(s) { };
+    std::vector<std::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.
+std::vector<std::string>& splitstring::split(char delim, int rep) {
+    if (!flds.empty()) flds.clear();  // empty vector if necessary
+    std::string work = data();
+    std::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;
 }
\ No newline at end of file