2 files changed, 40 insertions, 0 deletions
diff --git a/lib/common/Utils.cpp b/lib/common/Utils.cpp
index a73a80da..4325dd88 100644
--- a/lib/common/Utils.cpp
+++ b/lib/common/Utils.cpp
@@ -95,6 +95,42 @@ void SplitString(std::string String, char SplitOn, std::vector<std::string> &rOu
 #endif*/
 }
 
+bool StartsWith(const std::string& prefix, const std::string& haystack)
+{
+	return haystack.size() >= prefix.size() &&
+		haystack.substr(0, prefix.size()) == prefix;
+}
+
+bool EndsWith(const std::string& suffix, const std::string& haystack)
+{
+	return haystack.size() >= suffix.size() &&
+		haystack.substr(haystack.size() - suffix.size()) == suffix;
+}
+
+std::string RemovePrefix(const std::string& prefix, const std::string& haystack)
+{
+	if(StartsWith(prefix, haystack))
+	{
+		return haystack.substr(prefix.size());
+	}
+	else
+	{
+		return "";
+	}
+}
+
+std::string RemoveSuffix(const std::string& suffix, const std::string& haystack)
+{
+	if(EndsWith(suffix, haystack))
+	{
+		return haystack.substr(0, haystack.size() - suffix.size());
+	}
+	else
+	{
+		return "";
+	}
+}
+
 static std::string demangle(const std::string& mangled_name)
 {
 	std::string demangled_name = mangled_name;
diff --git a/lib/common/Utils.h b/lib/common/Utils.h
index 3a5f0eb5..d306ce1c 100644
--- a/lib/common/Utils.h
+++ b/lib/common/Utils.h
@@ -18,6 +18,10 @@
 std::string GetBoxBackupVersion();
 
 void SplitString(std::string String, char SplitOn, std::vector<std::string> &rOutput);
+bool StartsWith(const std::string& prefix, const std::string& haystack);
+bool EndsWith(const std::string& prefix, const std::string& haystack);
+std::string RemovePrefix(const std::string& prefix, const std::string& haystack);
+std::string RemoveSuffix(const std::string& suffix, const std::string& haystack);
 
 void DumpStackBacktrace();