Backported PlatformFoldersAddFromFile from 4.0.0 in case someone need…

…s a 3.X.X version

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.0.0 FATAL_ERROR)
-project(platform_folders VERSION 3.2.0 LANGUAGES CXX)
+project(platform_folders VERSION 3.2.1 LANGUAGES CXX)
 
 # Since it's off, the library will be static by default
 option(BUILD_SHARED_LIBS "Build shared instead of static." OFF)

doxygen.conf

@@ -38,7 +38,7 @@ PROJECT_NAME           = "Platform folders"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "3.2.0"
+PROJECT_NUMBER         = "3.2.1"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

sago/platform_folders.cpp

@@ -236,14 +236,20 @@ static void PlatformFoldersAddFromFile(const std::string& filename, std::map<std
 	std::ifstream infile(filename.c_str());
 	std::string line;
 	while (std::getline(infile, line)) {
-		if (line.length() == 0 || line.at(0) == '#') {
+		if (line.length() == 0 || line.at(0) == '#' || line.substr(0, 4) != "XDG_" || line.find("_DIR") == std::string::npos) {
+			continue;
+		}
+		try {
+			std::size_t splitPos = line.find('=');
+			std::string key = line.substr(0, splitPos);
+			std::size_t valueStart = line.find('"', splitPos);
+			std::size_t valueEnd = line.find('"', valueStart+1);
+			std::string value = line.substr(valueStart+1, valueEnd - valueStart - 1);
+			folders[key] = value;
+		} catch (std::exception&  e) {
+			std::cerr << "WARNING: Failed to process \"" << line << "\" from \"" << filename << "\". Error: "<< e.what() << "\n";
 			continue;
 		}
-		std::size_t splitPos = line.find("=");
-		std::string key = line.substr(0, splitPos);
-		std::string value = line.substr(splitPos+2, line.length()-splitPos-3);
-		folders[key] = value;
-		//std::cout << key << " : " << value << "\n";
 	}
 }