1 files changed, 79 insertions, 0 deletions
diff --git a/src/utils/strutils.h b/src/utils/strutils.h
new file mode 100644
index 0000000..94e7ab7
--- /dev/null
+++ b/src/utils/strutils.h
@@ -0,0 +1,79 @@
+#pragma once
+
+#include <algorithm> // std::transform
+#include <string>
+
+namespace strutils {
+// trim from start (in place)
+inline void ltrim(std::string &s)
+{
+    s.erase(s.begin(),
+            std::find_if(s.begin(), s.end(), [](int ch) { return !std::isspace(ch); }));
+}
+
+// trim from end (in place)
+inline void rtrim(std::string &s)
+{
+    s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) { return !std::isspace(ch); })
+                .base(),
+            s.end());
+}
+
+// trim from both ends (in place)
+inline void trim(std::string &s)
+{
+    ltrim(s);
+    rtrim(s);
+}
+
+// trim from start (copying)
+inline std::string ltrim_copy(std::string s)
+{
+    ltrim(s);
+    return s;
+}
+
+// trim from end (copying)
+inline std::string rtrim_copy(std::string s)
+{
+    rtrim(s);
+    return s;
+}
+
+// trim from both ends (copying)
+inline std::string trim_copy(std::string s)
+{
+    trim(s);
+    return s;
+}
+// trim from end (in place)
+inline void rtrim_comments(std::string &s, const std::string &comment_tokens)
+{
+    size_t pos = s.find_first_of(comment_tokens);
+    if (pos != s.npos)
+        s.erase(pos);
+}
+inline void toupper(std::string &s)
+{
+    std::transform(s.begin(), s.end(), s.begin(), ::toupper);
+}
+
+inline bool strcontains(const std::string &s, const std::string &sub)
+{
+    return s.find(sub) != std::string::npos;
+}
+
+inline bool streq(const std::string &s1, const std::string &s2)
+{
+    return s1 == s2;
+}
+
+inline bool iequals(const std::string& a, const std::string& b)
+{
+    return std::equal(a.begin(), a.end(),
+                      b.begin(), b.end(),
+                      [](char a, char b) {
+                          return tolower(a) == tolower(b);
+                      });
+}
+};