zona-go/internal/util/path.go

94 lines
2.1 KiB
Go

// Package util provides general utilities.
package util
import (
"errors"
"fmt"
"io/fs"
"os"
"path/filepath"
"strings"
)
// CheckExtension checks if the file located at path (string)
// matches the provided extension type
func CheckExtension(path, ext string) error {
if filepath.Ext(path) == ext {
return nil
} else {
return errors.New("Invalid extension.")
}
}
// PathIsValid checks if a path is valid.
// If requireFile is set, directories are not considered valid.
func PathIsValid(path string, requireFile bool) bool {
s, err := os.Stat(path)
if os.IsNotExist(err) {
return false
} else if requireFile {
// fmt.Printf("Directory status: %s\n", strconv.FormatBool(s.IsDir()))
return !s.IsDir()
}
return err == nil
}
func getRoot(path string) string {
for {
parent := filepath.Dir(path)
if parent == "." {
break
}
path = parent
}
fmt.Println("getRoot: ", path)
return path
}
func replaceRoot(inPath, outRoot string) string {
relPath := strings.TrimPrefix(inPath, getRoot(inPath))
outPath := filepath.Join(outRoot, relPath)
return outPath
}
func createFileWithParents(path string) error {
dir := filepath.Dir(path)
// Check if the parent directory already exists
// before trying to create it
if _, dirErr := os.Stat(dir); os.IsNotExist(dirErr) {
// create directories
err := os.MkdirAll(dir, os.ModePerm)
if err != nil {
return err
}
// TODO: write the file here
}
return nil
}
func processFile(inPath string, entry fs.DirEntry, err error, outRoot string) error {
if err != nil {
return err
}
if !entry.IsDir() {
ext := filepath.Ext(inPath)
fmt.Println("Root: ", replaceRoot(inPath, outRoot))
switch ext {
case ".md":
fmt.Println("Processing markdown...")
default:
// All other file types, we copy!
}
}
fmt.Printf("Visited: %s\n", inPath)
return nil
}
func Traverse(root string, outRoot string) error {
// err := filepath.WalkDir(root, func(path string, entry fs.DirEntry, err error) error {
walkFunc := func(path string, entry fs.DirEntry, err error) error {
return processFile(path, entry, err, outRoot)
}
err := filepath.WalkDir(root, walkFunc)
return err
}