Update main func

2025-12-10 22:50:37 -05:00
parent ea7e20341a
commit f590c62b64
3 changed files with 109 additions and 77 deletions
@@ -0,0 +1,88 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/br0xen/boltbrowser/pkg/boltbrowser"
+)
+
+func main() {
+	args := boltbrowser.DefaultArgs()
+	files := parseArgs(&args)
+	err := boltbrowser.Main(args, files)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+}
+
+func parseArgs(args *boltbrowser.Args) (databaseFiles []string) {
+	var err error
+	if len(os.Args) == 1 {
+		printUsage(nil)
+	}
+	parms := os.Args[1:]
+	for i := range parms {
+		// All 'option' arguments start with "-"
+		if !strings.HasPrefix(parms[i], "-") {
+			databaseFiles = append(databaseFiles, parms[i])
+			continue
+		}
+		if strings.Contains(parms[i], "=") {
+			// Key/Value pair Arguments
+			pts := strings.Split(parms[i], "=")
+			key, val := pts[0], pts[1]
+			switch key {
+			case "-timeout":
+				args.DBOpenTimeout, err = time.ParseDuration(val)
+				if err != nil {
+					// See if we can successfully parse by adding a 's'
+					args.DBOpenTimeout, err = time.ParseDuration(val + "s")
+				}
+				// If err is still not nil, print usage
+				if err != nil {
+					printUsage(err)
+				}
+			case "-readonly", "-ro":
+				if val == "true" {
+					args.ReadOnly = true
+				}
+			case "-no-value":
+				if val == "true" {
+					args.NoValue = true
+				}
+			case "-help":
+				printUsage(nil)
+			default:
+				printUsage(errors.New("Invalid option"))
+			}
+		} else {
+			// Single-word arguments
+			switch parms[i] {
+			case "-readonly", "-ro":
+				args.ReadOnly = true
+			case "-no-value":
+				args.NoValue = true
+			case "-help":
+				printUsage(nil)
+			default:
+				printUsage(errors.New("Invalid option"))
+			}
+		}
+	}
+	return
+}
+
+func printUsage(err error) {
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+	}
+	fmt.Fprintf(os.Stderr, "Usage: boltbrowser [OPTIONS] <filename(s)>\nOptions:\n")
+	fmt.Fprintf(os.Stderr, "  -timeout=duration\n        DB file open timeout (default 1s)\n")
+	fmt.Fprintf(os.Stderr, "  -ro, -readonly   \n        Open the DB in read-only mode\n")
+	fmt.Fprintf(os.Stderr, "  -no-value        \n        Do not display a value in left pane\n")
+}