Fix #432: Make application name case insensitive

src/config/config.cpp

@@ -20,6 +20,8 @@
 #include <string>
 #include <unordered_map>
 
+#include "utils/string.h"
+
 Config::Config() { this->loadDefaultGlobalSettings(); }
 
 void Config::clear() {
@@ -79,6 +81,6 @@ std::string Config::getConfigKey(const std::string &application,
                                  GestureDirection gestureDirection) {
   auto gestureTypeInt = static_cast<int>(gestureType);
   auto gestureDirectionInt = static_cast<int>(gestureDirection);
-  return application + "_" + std::to_string(gestureTypeInt) + "_" + numFingers +
-         "_" + std::to_string(gestureDirectionInt);
+  return toLower(application) + "_" + std::to_string(gestureTypeInt) + "_" +
+         numFingers + "_" + std::to_string(gestureDirectionInt);
 }

src/utils/string.cpp

@@ -17,13 +17,15 @@
  */
 #include "utils/string.h"
 
+#include <algorithm>
+#include <cctype>
 #include <regex>  // NOLINT
 #include <sstream>
 #include <string>
 #include <utility>
 #include <vector>
 
-std::vector<std::string> split(const std::string& string, char delimiter) {
+std::vector<std::string> split(const std::string &string, char delimiter) {
   std::stringstream ss(string);
   std::string item;
   std::vector<std::string> elems;
@@ -35,12 +37,19 @@ std::vector<std::string> split(const std::string& string, char delimiter) {
   return elems;
 }
 
-std::string ltrim(const std::string& s) {
+std::string ltrim(const std::string &s) {
   return std::regex_replace(s, std::regex("^\\s+"), std::string(""));
 }
 
-std::string rtrim(const std::string& s) {
+std::string rtrim(const std::string &s) {
   return std::regex_replace(s, std::regex("\\s+$"), std::string(""));
 }
 
-std::string trim(const std::string& s) { return ltrim(rtrim(s)); }
+std::string trim(const std::string &s) { return ltrim(rtrim(s)); }
+
+std::string toLower(const std::string &string) {
+  std::string lower = string;
+  std::transform(lower.begin(), lower.end(), lower.begin(),
+                 [](unsigned char c) { return std::tolower(c); });
+  return lower;
+}

src/utils/string.h

@@ -21,10 +21,12 @@
 #include <string>
 #include <vector>
 
-std::vector<std::string> split(const std::string& string, char delimiter);
+std::vector<std::string> split(const std::string &string, char delimiter);
 
-std::string ltrim(const std::string& s);
-std::string rtrim(const std::string& s);
-std::string trim(const std::string& s);
+std::string ltrim(const std::string &s);
+std::string rtrim(const std::string &s);
+std::string trim(const std::string &s);
+
+std::string toLower(const std::string &string);
 
 #endif  // UTILS_STRING_H_