First version.

go.mod

@@ -0,0 +1,5 @@
+module github.com/xhinliang/simplex
+
+go 1.19
+
+require github.com/xhinliang/gosimplifier v0.0.1 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/xhinliang/gosimplifier v0.0.1 h1:O13hnQ11M6bD+p+f2Hs87vSZBLA1te2U0Lbh2UQn/YA=
+github.com/xhinliang/gosimplifier v0.0.1/go.mod h1:u/umizOiafnyc4rXW0WLctnGk41ixUYjADWKNzSGsKo=

main.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"bufio"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/xhinliang/gosimplifier"
+)
+
+var configFile string
+
+func init() {
+	flag.StringVar(&configFile, "c", "", "Path to configuration file.")
+	flag.Parse()
+}
+
+func main() {
+	if configFile == "" {
+		if _, err := os.Stat(".simplex.json"); err == nil {
+			configFile = ".simplex.json"
+		} else if _, err := os.Stat(filepath.Join(os.Getenv("HOME"), ".simplex.json")); err == nil {
+			configFile = filepath.Join(os.Getenv("HOME"), ".simplex.json")
+		} else {
+			fmt.Println("No configuration file found. Please provide one using the -c option.")
+			os.Exit(1)
+		}
+	}
+
+	// Load configuration file
+	config, err := os.ReadFile(configFile)
+	if err != nil {
+		fmt.Printf("Error reading configuration file: %s\n", err)
+		os.Exit(1)
+	}
+
+	// Create new simplifier
+	simplifier, err := gosimplifier.NewSimplifier(string(config))
+	if err != nil {
+		fmt.Printf("Error creating simplifier: %s\n", err)
+		os.Exit(1)
+	}
+
+	// Create a new Scanner that scans os.Stdin.
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		input := scanner.Text()
+
+		// Unmarshal input JSON
+		var original map[string]interface{}
+		err := json.Unmarshal([]byte(input), &original)
+		if err != nil {
+			fmt.Printf("Error decoding JSON: %s\n", err)
+			os.Exit(1)
+		}
+
+		// Simplify JSON
+		simplified, err := simplifier.Simplify(original)
+		if err != nil {
+			fmt.Printf("Error simplifying JSON: %s\n", err)
+			os.Exit(1)
+		}
+
+		// Marshal JSON back to string
+		simplifiedJSON, err := json.Marshal(simplified)
+		if err != nil {
+			fmt.Printf("Error encoding JSON: %s\n", err)
+			os.Exit(1)
+		}
+
+		// Output simplified JSON
+		fmt.Println(string(simplifiedJSON))
+	}
+	if scanner.Err() != nil {
+		fmt.Printf("Scanner error: %s\n", scanner.Err())
+		os.Exit(1)
+	}
+}