2 files changed, 101 insertions, 0 deletions
diff --git a/util/config/config.go b/util/config/config.go
new file mode 100644
index 0000000..ad35ee7
--- /dev/null
+++ b/util/config/config.go
@@ -0,0 +1,56 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v3"
+)
+
+type Config struct {
+	Filters    []string `yaml:"filters"`
+	Iterations int      `yaml:"iterations"`
+}
+
+func getDefaultConfigPath() (defaultPath string, err error) {
+	programName := "uptfs"
+	configFileName := "config.yaml"
+
+	if xdg := os.Getenv("XDG_CONFIG_HOME"); xdg != "" {
+		return filepath.Join(xdg, programName, configFileName), nil
+	}
+
+	if home := os.Getenv("HOME"); home != "" {
+		return filepath.Join(home, programName, configFileName), nil
+	}
+
+	return "", errors.New("both XDG_CONFIG_HOME and HOME are not set, can't proceed")
+}
+
+func (c *Config) LoadConfig(filepath string) *Config {
+	if filepath == "" {
+		var err error
+		filepath, err = getDefaultConfigPath()
+
+		if err != nil {
+			fmt.Printf("%v\n", err)
+			os.Exit(1)
+		}
+	}
+
+	yamlFile, err := os.ReadFile(filepath)
+
+	if err != nil {
+		fmt.Printf("%v\n", err)
+		os.Exit(1)
+	}
+	err = yaml.Unmarshal(yamlFile, c)
+	if err != nil {
+		fmt.Printf("%v\n", err)
+		os.Exit(1)
+	}
+
+	return c
+}
diff --git a/util/split/split.go b/util/split/split.go
new file mode 100644
index 0000000..2fc29db
--- /dev/null
+++ b/util/split/split.go
@@ -0,0 +1,45 @@
+package split
+
+import (
+	"strings"
+)
+
+func checkArrayElementsEmpty(array []string) bool {
+	for _, str := range array {
+		if str != "" {
+			return false
+		}
+	}
+	return true
+}
+
+func NewArrayWithSplit(initialArray []string, index int, token string, delimeter string) (result []string) {
+	split := strings.Split(token, delimeter)
+	splitLength := len(split)
+
+	/*
+		When a token only consists of delimeter * N (N >= 0),
+		the resulting split consists of N empty elements.
+		Here we check if it is so and essentialy remove that token
+		from resulting array.
+	*/
+
+	splitIsEmpty := checkArrayElementsEmpty(split)
+	if splitIsEmpty {
+		result = append(initialArray[:index], initialArray[index+1:]...)
+		return result
+	}
+
+	if splitLength > 1 {
+		if split[splitLength-1] == "" {
+			split = split[:splitLength-1]
+		}
+
+		result = append(initialArray[:index], append(split, initialArray[index+1:]...)...)
+	}
+	if splitLength == 1 {
+		result = initialArray
+	}
+
+	return result
+}