Added verbose debugging capability, per issue #1198

src/utility/logging.go

@@ -0,0 +1,78 @@
+package utility
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"syscall"
+)
+
+var debug bool = false
+var exe string
+var path string
+
+const (
+	// Enable virtual terminal processing on Windows (required to interpret ANSI escape codes)
+	enableVirtualTerminalProcessing = 0x0004
+	BOLD                            = "\033[38;2;255;165;0m"
+	TEXT                            = "\033[38;2;255;200;100m"
+	RESET                           = "\033[0m"
+)
+
+func enableANSI() {
+	kernel32 := syscall.NewLazyDLL("kernel32.dll")
+	setConsoleMode := kernel32.NewProc("SetConsoleMode")
+	stdout := syscall.Stdout
+	// Get the current console mode
+	var mode uint32
+	err := syscall.GetConsoleMode(stdout, &mode)
+	if err != nil {
+		fmt.Println("Error getting console mode:", err)
+		return
+	}
+	// Enable virtual terminal processing
+	mode |= enableVirtualTerminalProcessing
+	_, _, err = setConsoleMode.Call(uintptr(stdout), uintptr(mode))
+	if err != nil && err.Error() != "The operation completed successfully." {
+		fmt.Println("Error enabling ANSI:", err)
+	}
+}
+
+func bold(text string) string {
+	return BOLD + text + RESET
+}
+
+func text(txt string) string {
+	return TEXT + txt + RESET
+}
+
+func EnableDebugLogs() {
+	debug = true
+	exe, _ = os.Executable()
+	path = filepath.Join(filepath.Dir(exe), "..")
+	enableANSI()
+}
+
+func DebugLog(args ...interface{}) {
+	if debug {
+		_, file, line, _ := runtime.Caller(1)
+		for _, arg := range args {
+			fmt.Printf(bold("[DEBUG] %v:%v")+" "+text("%v")+"\n", strings.Replace(filepath.ToSlash(file), filepath.ToSlash(path), "..", 1), line, arg)
+		}
+	}
+}
+
+func DebugLogf(tpl string, args ...interface{}) {
+	if debug {
+		_, file, line, _ := runtime.Caller(1)
+		fmt.Printf(bold("[DEBUG] %v:%v")+" "+text("%v")+"\n", strings.Replace(filepath.ToSlash(file), filepath.ToSlash(path), "..", 1), line, fmt.Sprintf(tpl, args...))
+	}
+}
+
+func DebugFn(fn func()) {
+	if debug {
+		fn()
+	}
+}