1 files changed, 33 insertions, 0 deletions
diff --git a/kms++util/strhelpers.h b/kms++util/strhelpers.h
new file mode 100644
index 0000000..2c540f3
--- /dev/null
+++ b/kms++util/strhelpers.h
@@ -0,0 +1,33 @@
+#include <sstream>
+#include <string>
+#include <vector>
+#include <functional>
+
+std::string to_lower(const std::string& str);
+
+template <typename T>
+std::string join(const T& values, const std::string& delim)
+{
+	std::ostringstream ss;
+	for (const auto& v : values) {
+		if (&v != &values[0])
+			ss << delim;
+		ss << v;
+	}
+	return ss.str();
+}
+
+template <typename T>
+std::string join(const std::vector<T>& values, const std::string& delim, std::function<std::string(T)> func)
+{
+	std::ostringstream ss;
+	for (const auto& v : values) {
+		if (&v != &values[0])
+			ss << delim;
+		ss << func(v);
+	}
+	return ss.str();
+}
+
+std::string sformat(const char *fmt, ...)
+	__attribute__ ((format (printf, 1, 2)));