(FEAT): Added command parser

lib/commandLineParser.cpp

@@ -14,14 +14,14 @@ CLI::CLI(int argc, char **argv) {
     input_file = argv[1];
 
     // checks that file has correct file extension
-    if (!(CLI::IsMarkupFile(input_file))) {
+    if (!(IsMarkupFile(input_file))) {
       throw std::invalid_argument(
           "Error: Invalid file extension. Expected a '.md' (Markdown) file.");
     }
-    // stores remaining arguments
-    for (int i = 1; i < argc; i++) {
-      args.push_back(argv[i]);
-    }
+
+    ParseArgs(argc, argv);
+    
+
   } catch (const std::invalid_argument &e) {
       std::cerr << e.what() << "\n";
       PrintHelp(); 
@@ -29,6 +29,34 @@ CLI::CLI(int argc, char **argv) {
   }
 }
 
+void CLI::ParseArgs(int argc, char** argv){
+    for (int i = 2; i < argc; i++) {
+        std::string arg = argv[i];
+
+        if (arg == "-w" || arg == "--watch") {
+            watchdog_enabled = true;
+            continue;
+        }
+
+        if ((arg == "-o" || arg == "--output") && i + 1 < argc) {
+            output_file = argv[++i];
+
+            if (!(IsHtmlFile(output_file))) {
+                throw std::invalid_argument("Error: Invalid file extension. Expected a '.html' (HTML) file.");
+            }
+            
+            continue;
+        }
+
+        if (arg == "-o" || arg == "--output") {
+            throw std::invalid_argument("Error: Missing filename after '-o' or '--output'.");
+        }
+
+        std::cerr << "Warning: Unrecognized argument '" << arg << "' ignored.\n";
+    }
+
+}
+
 bool CLI::IsMarkupFile(const std::string &filename) {
   // markdown file extension
   const std::string requiredExtension = ".md";
@@ -51,11 +79,17 @@ bool CLI::IsMarkupFile(const std::string &filename) {
          requiredExtension;
 }
 
-// place to run commands but IDK IF WE SHOULD USE A HASMAP or how we are going
-// to get each method to run
-void CLI::RunCommands() {
-  for (size_t i = 0; i < args.size(); i++) {
+bool CLI::IsHtmlFile(const std::string &filename) {
+    // HTML file extension
+    const std::string requiredExtension = ".html";
+
+    // Ensure the filename is long enough to contain the extension
+    if (filename.size() <= requiredExtension.size()) {
+        return false;
     }
+
+    // Check if the filename ends with ".html"
+    return filename.substr(filename.size() - requiredExtension.size()) == requiredExtension;
 }
 
 void CLI::PrintHelp() const {

lib/commandLineParser.h

@@ -52,6 +52,14 @@ public:
    */
   std::string GetInputFile() const { return input_file; }
 
+
+  /**
+   * @brief Returns if watchdog is enabled
+   *
+   * @author Preston Shultz (shultzp1@my.erau.edu)
+   */
+  bool WatchDogEnabled() {return watchdog_enabled;}
+
   /**
    * @brief Returns output file
    *
@@ -60,20 +68,37 @@ public:
   std::string GetOutputFile() const { return output_file; }
 
 private:
+
   /**
    * @brief Ensures the provided filename has a .markup extension
    *
-   * @param filename The file name to validate
    * @return true if file ends with .markup
    * @return false otherwise
    * @author Preston Shultz (shultzp1@my.erau.edu)
    */
   static bool IsMarkupFile(const std::string &filename);
 
+
+  /**
+   * @brief Ensures the provided filename has a .html extension
+   *
+   * @return true if file ends with .html
+   * @return false otherwise
+   * @author Preston Shultz (shultzp1@my.erau.edu)
+   */
+  static bool IsHtmlFile(const std::string &filename);
+
+   /**
+   * @brief Parses the commands
+   *
+   * @author Preston Shultz (shultzp1@my.erau.edu)
+   */
+  void ParseArgs(int argc, char** argv);
+
   std::string program_name;
-  std::vector<std::string> args;
   std::string input_file;
-  std::string output_file;
+  std::string output_file = "";
+  bool watchdog_enabled = false;
 };
 
 #endif

lib/documentConverter.h

@@ -3,16 +3,20 @@
 
 #include "parser.h"
 #include "watchdog.h"
+#include "commandLineParser.h"
 #include <functional>
 
 class DocumentConverter {
 private:
+  CLI cli;
   Parser parser;
   Watchdog watchdog;
 
 public:
-  DocumentConverter(std::string input, std::string output = "")
-      : parser(input, output), watchdog(input) {};
+    DocumentConverter(int argc, char** argv)
+        : cli(argc, argv),
+          parser(cli.GetInputFile(), cli.GetOutputFile()),
+          watchdog(cli.GetInputFile()) {}
 
   void Convert() {
     this->parser.ParseDocument();
@@ -26,8 +30,10 @@ public:
       this->parser.ParseDocument();
       this->parser.WriteOutput();
     };
+    if (cli.WatchDogEnabled()){
       this->watchdog.Start(callback);
     }
+  }
 };
 
 #endif

src/main.cpp

@@ -68,7 +68,21 @@ void test_input(int argc, char **argv) {
 }
 
 void test_document_converter() {
-  DocumentConverter dc("test/input.md");
+    // Simulate command line:
+    // program name, input file, watch flag, output file
+    const char* argv[] = {
+        "program",         // argv[0] - program name
+        "test/input.md",   // argv[1] - input file
+        "-w",              // argv[2] - enable watchdog
+        "-o",              // argv[3] - output flag
+        "test/output.html"   // argv[4] - output filename
+    };
+    int argc = 5;
+
+    // Construct DocumentConverter with simulated command line
+    DocumentConverter dc(argc, const_cast<char**>(argv));
+
+    // Run the watcher (or use dc.Convert() for single conversion)
     dc.ConvertWatcher();
 }