cli-parser (#4)

Goal of this PR should be to integrate a working CLI parser so that commands can be sent to the Printer class to print text, such as
ptprnt -t=FooBar
also, standard flags for setting the output verbosity and help should be implemented

Reviewed-on: #4

src/PtouchPrint.hpp

@@ -19,23 +19,47 @@
 
 #pragma once
 
+#include <CLI/CLI.hpp>
+#include <spdlog/common.h>
+#include <spdlog/spdlog.h>
+
+#include "constants.hpp"
 #include "interface/IPrinterDriver.hpp"
 #include "libusbwrap/UsbDeviceFactory.hpp"
 
+namespace ptprnt {
+enum class CliCmdType { None = 0, Text = 1, FontSize = 2, Font = 3, VAlign = 4, HAlign = 5 };
+using CliCmd = std::pair<CliCmdType, std::string>;
+
 class PtouchPrint {
    public:
-    PtouchPrint();
-    ~PtouchPrint();
+    PtouchPrint(const char* versionString);
+    ~PtouchPrint() = default;
 
-    void init();
-    void run();
+    // This is basically a singelton application class, no need to copy or move
+    PtouchPrint(const PtouchPrint&)            = delete;
+    PtouchPrint& operator=(const PtouchPrint&) = delete;
+    PtouchPrint(PtouchPrint&&)                 = delete;
+    PtouchPrint& operator=(PtouchPrint&&)      = delete;
+
+    int init(int argc, char** argv);
+    int run();
 
    private:
     // methods
+    void setupLogger(spdlog::level::level_enum lvl);
+    void setupCliParser();
     unsigned int getCompatiblePrinters();
 
     // member variables
-    libusbwrap::UsbDeviceFactory mUsbDeviceFactory;
-    std::vector<std::shared_ptr<ptprnt::IPrinterDriver>> mCompatiblePrinters;
-    std::vector<std::shared_ptr<ptprnt::IPrinterDriver>> mDetectedPrinters;
-};
+    CLI::App mApp{ptprnt::APP_DESC};
+    libusbwrap::UsbDeviceFactory mUsbDeviceFactory{};
+    std::vector<std::shared_ptr<ptprnt::IPrinterDriver>> mCompatiblePrinters{};
+    std::vector<std::shared_ptr<ptprnt::IPrinterDriver>> mDetectedPrinters{};
+    std::vector<CliCmd> mCommands{};
+    std::string mVersionString = "";
+
+    // CLI flags
+    bool mVerboseFlag = false;
+};
+}  // namespace ptprnt