add --verbose for a little more debugging info

Makefile

@@ -4,13 +4,14 @@ TARGET = Hyprdoctor
 SRCS = main.cpp src/utils/environment.cpp src/utils/file_parser.cpp src/utils/json_parser.cpp
 OBJS = $(SRCS:.cpp=.o)
 
-all: $(TARGET);
+all: $(TARGET)
 
 $(TARGET): $(OBJS)
-	$(CXX) $(CXXFLAGS) -o $@ $^
+	$(CXX) $(CXXFLAGS) -o $@ $^ -lboost_program_options
 
 %.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c $< -o $@
+
 run:
 	./$(TARGET)
 

main.cpp

@@ -1,23 +1,45 @@
-
 #include "src/utils/environment.h"
 #include "src/utils/file_parser.h"
 #include "src/utils/json_parser.h"
+#include <boost/program_options.hpp>
 #include <iostream>
 
-int main() {
+namespace po = boost::program_options;
+
+int main(int argc, char *argv[]) {
+  po::options_description desc("Allowed options");
+  desc.add_options()("help", "Produce help message")("verbose",
+                                                     "Enable verbose output");
+
+  po::variables_map vm;
+  po::store(po::parse_command_line(argc, argv, desc), vm);
+  po::notify(vm);
+
+  if (vm.count("help")) {
+    std::cout << desc << "\n";
+    return 1;
+  }
+
   const char *envVar = getEnvVar("HYPRLAND_INSTANCE_SIGNATURE");
 
+  // if --verbose flag is set, print the environment variable
+  if (vm.count("verbose")) {
+    std::cout << "HYPRLAND_INSTANCE_SIGNATURE: " << envVar << std::endl;
+  }
+
   // try opening the log file
   try {
-    std::string filePath = "/tmp/hypr/" + std::string(envVar);
-    std::vector<std::string> errLines = readErrLines(filePath);
+    if (envVar != nullptr) {
+      std::string filePath = "/tmp/hypr/" + std::string(envVar);
+      std::vector<std::string> errLines = readErrLines(filePath);
 
-    // associate each error with the issue ID and name
-    std::vector<std::pair<int, std::string>> issues =
-        findErrorsInJsonFiles(errLines, "database");
+      // associate each error with the issue ID and name
+      std::vector<std::pair<int, std::string>> issues =
+          findErrorsInJsonFiles(errLines, "database", vm.count("verbose"));
 
-    for (const auto &[id, name] : issues) {
-      std::cout << "Issue ID: " << id << ", Name: " << name << std::endl;
+      for (const auto &[id, name] : issues) {
+        std::cout << "Issue ID: " << id << ", Name: " << name << std::endl;
+      }
     }
   } catch (const std::runtime_error &e) {
     std::cerr << "Error: " << e.what() << std::endl;

src/utils/json_parser.cpp

@@ -2,28 +2,34 @@
 #include <filesystem>
 #include <fstream>
 #include <nlohmann/json.hpp>
+#include <string>
 #include <vector>
 
 std::vector<std::pair<int, std::string>>
 findErrorsInJsonFiles(const std::vector<std::string> &errLines,
-                      const std::string &dirPath) {
-  std::vector<std::pair<int, std::string>> issues;
+                    const std::string &dirPath, bool verbose) {
+ std::vector<std::pair<int, std::string>> issues;
 
-  for (const auto &entry : std::filesystem::directory_iterator(dirPath)) {
-    std::ifstream file(entry.path());
-    nlohmann::json j;
-    file >> j;
+ for (const auto &entry : std::filesystem::directory_iterator(dirPath)) {
+   if (verbose) {
+     std::cout << "Processing file: " << entry.path() << std::endl;
+   }
+   std::ifstream file(entry.path());
+   nlohmann::json j;
+   file >> j;
 
-    if (j.contains("errors") && j["errors"].is_array()) {
-      for (const auto &error : j["errors"]) {
-        if (std::find(errLines.begin(), errLines.end(), error) !=
-            errLines.end()) {
-          issues.push_back({j["ID"], j["name"]});
-          break;
-        }
-      }
-    }
-  }
+   if (j.contains("errors") && j["errors"].is_array()) {
+     for (const auto &error : j["errors"]) {
+       if (std::find(errLines.begin(), errLines.end(), error) !=
+           errLines.end()) {
+         issues.push_back({j["ID"], j["name"]});
+         break;
+       }
+     }
+   } else {
+     throw std::runtime_error("Invalid JSON file");
+   }
+ }
 
-  return issues;
+ return issues;
 }

src/utils/json_parser.h

@@ -1,12 +1,13 @@
 #ifndef JSON_PARSER_H
 #define JSON_PARSER_H
 
+#include <iostream>
 #include <string>
 #include <utility>
 #include <vector>
 
 std::vector<std::pair<int, std::string>>
 findErrorsInJsonFiles(const std::vector<std::string> &errLines,
-                      const std::string &dirPath);
+                      const std::string &dirPath, bool verbose);
 
 #endif