feat: Package for command-line arguments

internal/cui-args/args_reader.go

@@ -0,0 +1,29 @@
+package cuiargs
+
+import (
+	"fmt"
+	"regexp"
+
+	models "gitea.likemath.ru/alex/gogrep/internal/models"
+)
+
+// ProcessConsoleArguments fills internal grep config
+// Returns error if arguments filling is correct, but arguments are incorrect
+// Panics and shows info if arguments are invalid
+func ProcessConsoleArguments() (*models.GrepConfigInternal, error) {
+	res := &models.GrepConfigInternal{}
+
+	var err error
+	pathPattern := "git/hook"
+	res.PathPattern, err = regexp.Compile(pathPattern)
+	if err != nil {
+		return nil, fmt.Errorf("unable to compile path pattern Regexp: %v", pathPattern)
+	}
+
+	textPattern := "the commit"
+	res.TextPattern, err = regexp.Compile(textPattern)
+	if err != nil {
+		return nil, fmt.Errorf("unable to compile text pattern Regexp: %v", textPattern)
+	}
+	return res, nil
+}

internal/models/config.go

@@ -0,0 +1,9 @@
+package models
+
+import "regexp"
+
+// GrepConfigInternal defines valid grep configuration after parameters parsing
+type GrepConfigInternal struct {
+	PathPattern *regexp.Regexp
+	TextPattern *regexp.Regexp
+}

internal/processing/processing.go

@@ -11,7 +11,7 @@ import (
 )
 
 // ProcessSingleFile processes file and send it Result to channel
-func ProcessSingleFile(rePattern regexp.Regexp, path string, out chan models.FileMatchData) {
+func ProcessSingleFile(rePattern *regexp.Regexp, path string, out chan models.FileMatchData) {
 	file, err := os.Open(path)
 	if err != nil {
 		log.Fatal(err)