tools/rplgen: Move trim to utils.h

tools/common/utils.h

@@ -1,6 +1,8 @@
 #pragma once
+#include <algorithm>
 #include <cstdint>
 #include <cstring>
+#include <string>
 #include <type_traits>
 
 #if defined(WIN32) || defined(_WIN32) || defined(_MSC_VER)
@@ -125,3 +127,27 @@ align_check(Type value, size_t alignment)
 #define CHECK_SIZE(Type, Size) \
    static_assert(sizeof(Type) == Size, \
                  #Type " must be " #Size " bytes")
+
+// trim from start
+// Taken from https://stackoverflow.com/a/217605
+static inline std::string ltrim(std::string s) {
+   s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int ch) {
+      return !std::isspace(ch);
+   }));
+   return s;
+}
+
+// trim from end (in place)
+static inline std::string rtrim(std::string s) {
+   s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) {
+      return !std::isspace(ch);
+   }).base(), s.end());
+   return s;
+}
+
+// trim from both ends
+static inline std::string
+trim(std::string s)
+{
+   return rtrim(ltrim(s));
+}

tools/rplgen/rplgen.cpp

@@ -13,29 +13,6 @@
 #include <string>
 #include <zlib.h>
 
-// trim from start
-// Taken from https://stackoverflow.com/a/217605
-static 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)
-static 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
-static inline void
-trim(std::string &s)
-{
-   ltrim(s);
-   rtrim(s);
-}
-
 enum class ReadMode
 {
    INVALID,
@@ -135,7 +112,7 @@ int main(int argc, char **argv)
          }
 
          // Trim whitespace
-         trim(line);
+         line = trim(line);
 
          // Skip blank lines
          if (line.length() == 0) {