llcppsymg & llcppsigfetch parse args

chore/_xtool/llcppsymg/_cmptest/args_test/args.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/goplus/llgo/chore/_xtool/llcppsymg/args"
+)
+
+func main() {
+	TestParseArgs()
+}
+
+func TestParseArgs() {
+	fmt.Println("=== Test ParseArgs ===")
+
+	swflags := map[string]bool{
+		"--extract": true,
+	}
+
+	testCases := []struct {
+		name  string
+		input []string
+	}{
+		{
+			name:  "Basic flags",
+			input: []string{"-h", "-v", "-"},
+		},
+		{
+			name:  "Config file",
+			input: []string{"lua.llcppg.cfg"},
+		},
+		{
+			name:  "Extract with multiple args",
+			input: []string{"--extract", "file1.h", "file2.h", "-v"},
+		},
+		{
+			name:  "Non-skippable flags",
+			input: []string{"--extract", "file1.h", "file2.h", "-out=true", "-cpp=true", "-v"},
+		},
+		{
+			name:  "Mixed flags",
+			input: []string{"-v", "--extract", "file.h", "-out=true", "config.json"},
+		},
+		{
+			name:  "Empty input",
+			input: []string{},
+		},
+	}
+
+	for _, tc := range testCases {
+		fmt.Printf("Test case: %s\n", tc.name)
+		fmt.Printf("Input: %v\n", tc.input)
+
+		result, filteredArgs := args.ParseArgs(tc.input, swflags)
+
+		fmt.Printf("Help: %v\n", result.Help)
+		fmt.Printf("Verbose: %v\n", result.Verbose)
+		fmt.Printf("UseStdin: %v\n", result.UseStdin)
+		fmt.Printf("CfgFile: %s\n", result.CfgFile)
+		fmt.Printf("FilteredArgs: %v\n", filteredArgs)
+		fmt.Println()
+	}
+}

chore/_xtool/llcppsymg/_cmptest/args_test/llgo.expect

@@ -0,0 +1,54 @@
+#stdout
+=== Test ParseArgs ===
+Test case: Basic flags
+Input: [-h -v -]
+Help: true
+Verbose: true
+UseStdin: true
+CfgFile: llcppg.cfg
+FilteredArgs: []
+
+Test case: Config file
+Input: [lua.llcppg.cfg]
+Help: false
+Verbose: false
+UseStdin: false
+CfgFile: lua.llcppg.cfg
+FilteredArgs: []
+
+Test case: Extract with multiple args
+Input: [--extract file1.h file2.h -v]
+Help: false
+Verbose: true
+UseStdin: false
+CfgFile: llcppg.cfg
+FilteredArgs: [--extract file1.h file2.h]
+
+Test case: Non-skippable flags
+Input: [--extract file1.h file2.h -out=true -cpp=true -v]
+Help: false
+Verbose: true
+UseStdin: false
+CfgFile: llcppg.cfg
+FilteredArgs: [--extract file1.h file2.h -out=true -cpp=true]
+
+Test case: Mixed flags
+Input: [-v --extract file.h -out=true config.json]
+Help: false
+Verbose: true
+UseStdin: false
+CfgFile: config.json
+FilteredArgs: [--extract file.h -out=true]
+
+Test case: Empty input
+Input: []
+Help: false
+Verbose: false
+UseStdin: false
+CfgFile: llcppg.cfg
+FilteredArgs: []
+
+
+#stderr
+
+#exit 0

chore/_xtool/llcppsymg/args/args.go

@@ -0,0 +1,51 @@
+package args
+
+import "strings"
+
+type Args struct {
+	Help     bool
+	Verbose  bool
+	UseStdin bool
+	CfgFile  string
+}
+
+func ParseArgs(args []string, swflags map[string]bool) (*Args, []string) {
+	result := &Args{}
+	filteredArgs := []string{}
+	for i := 0; i < len(args); i++ {
+		arg := args[i]
+		if strings.HasPrefix(arg, "-") {
+			switch arg {
+			case "-h", "--help":
+				result.Help = true
+				continue
+			case "-v":
+				result.Verbose = true
+				continue
+			case "-":
+				result.UseStdin = true
+				continue
+			default:
+				if hasArg, ok := swflags[arg]; ok {
+					if hasArg {
+						filteredArgs = append(filteredArgs, arg)
+						for i+1 < len(args) && !strings.HasPrefix(args[i+1], "-") {
+							filteredArgs = append(filteredArgs, args[i+1])
+							i++
+						}
+						continue
+					}
+				}
+				filteredArgs = append(filteredArgs, arg)
+			}
+		} else if result.CfgFile == "" {
+			result.CfgFile = arg
+		} else {
+			filteredArgs = append(filteredArgs, arg)
+		}
+	}
+	if result.CfgFile == "" {
+		result.CfgFile = "llcppg.cfg"
+	}
+	return result, filteredArgs
+}