Added string utils (uppercase, split, implode)

1 files changed, 87 insertions, 0 deletions

@@ -0,0 +1,87 @@
+#ifndef UTIL_H_CED7A66D
+#define UTIL_H_CED7A66D
+
+#include <algorithm>
+#include <string>
+#include <iterator>
+#include <cctype>
+#include <sstream>
+
+namespace hatkirby {
+
+  inline std::string uppercase(std::string in)
+  {
+    std::string result;
+
+    std::transform(
+      std::begin(in),
+      std::end(in),
+      std::back_inserter(result),
+      [] (char ch)
+      {
+        return std::toupper(ch);
+      });
+
+    return result;
+  }
+
+  template <class InputIterator>
+  std::string implode(
+    InputIterator first,
+    InputIterator last,
+    std::string delimiter)
+  {
+    std::stringstream result;
+
+    for (InputIterator it = first; it != last; it++)
+    {
+      if (it != first)
+      {
+        result << delimiter;
+      }
+
+      result << *it;
+    }
+
+    return result.str();
+  }
+
+  template <class OutputIterator>
+  void split(
+    std::string input,
+    std::string delimiter,
+    OutputIterator out)
+  {
+    while (!input.empty())
+    {
+      int divider = input.find(delimiter);
+      if (divider == std::string::npos)
+      {
+        *out = input;
+        out++;
+
+        input = "";
+      } else {
+        *out = input.substr(0, divider);
+        out++;
+
+        input = input.substr(divider+delimiter.length());
+      }
+    }
+  }
+
+  template <class Container>
+  Container split(
+    std::string input,
+    std::string delimiter)
+  {
+    Container result;
+
+    split(input, delimiter, std::back_inserter(result));
+
+    return result;
+  }
+
+};
+
+#endif /* end of include guard: UTIL_H_CED7A66D */