Initial vcom TUI prototype

internal/fs/entry.go

@@ -0,0 +1,95 @@
+package vfs
+
+import (
+	"io/fs"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+var (
+	configExtensions = map[string]struct{}{
+		"toml": {}, "yaml": {}, "yml": {}, "json": {}, "jsonc": {}, "ini": {}, "conf": {},
+		"config": {}, "env": {}, "properties": {}, "xml": {}, "mod": {}, "sum": {}, "lock": {},
+	}
+	textExtensions = map[string]struct{}{
+		"txt": {}, "md": {}, "rst": {}, "go": {}, "rs": {}, "c": {}, "h": {}, "cpp": {}, "hpp": {},
+		"py": {}, "js": {}, "ts": {}, "tsx": {}, "jsx": {}, "java": {}, "kt": {}, "swift": {},
+		"html": {}, "css": {}, "scss": {}, "sh": {}, "bash": {}, "zsh": {}, "fish": {}, "sql": {},
+		"log": {}, "csv": {},
+	}
+	imageExtensions = map[string]struct{}{
+		"png": {}, "jpg": {}, "jpeg": {}, "gif": {}, "webp": {}, "bmp": {}, "svg": {}, "ico": {},
+	}
+	archiveExtensions = map[string]struct{}{
+		"zip": {}, "tar": {}, "gz": {}, "tgz": {}, "xz": {}, "bz2": {}, "7z": {}, "rar": {},
+	}
+)
+
+type Entry struct {
+	Name         string
+	Path         string
+	Extension    string
+	Mode         fs.FileMode
+	Size         int64
+	ModifiedAt   time.Time
+	CreatedAt    time.Time
+	CreatedKnown bool
+	IsDir        bool
+	IsParent     bool
+	IsHidden     bool
+	DirSizeKnown bool
+}
+
+func (e Entry) DisplayName() string {
+	if e.IsParent {
+		return ".."
+	}
+	if e.IsDir {
+		return e.Name + "/"
+	}
+	return e.Name
+}
+
+func (e Entry) IsFile() bool {
+	return !e.IsDir && !e.IsParent
+}
+
+func (e Entry) MatchKey() string {
+	return strings.ToLower(e.Name)
+}
+
+func (e Entry) IsExecutable() bool {
+	return !e.IsDir && !e.IsParent && e.Mode&0o111 != 0
+}
+
+func (e Entry) Category() string {
+	switch {
+	case e.IsParent:
+		return "parent"
+	case e.IsDir:
+		return "directory"
+	case e.IsExecutable():
+		return "executable"
+	case hasExt(configExtensions, e.Extension):
+		return "config"
+	case hasExt(imageExtensions, e.Extension):
+		return "image"
+	case hasExt(textExtensions, e.Extension):
+		return "text"
+	case hasExt(archiveExtensions, e.Extension):
+		return "archive"
+	default:
+		return "binary"
+	}
+}
+
+func ext(name string) string {
+	value := strings.TrimPrefix(filepath.Ext(name), ".")
+	return strings.ToLower(value)
+}
+
+func hasExt(set map[string]struct{}, ext string) bool {
+	_, ok := set[strings.ToLower(ext)]
+	return ok
+}