First pass at file browsing

1 files changed, 53 insertions, 0 deletions

diff --git a/hotline/file_name_with_info.go b/hotline/file_name_with_info.go
new file mode 100644
index 0000000..eecf5ec
--- /dev/null
+++ b/hotline/file_name_with_info.go
@@ -0,0 +1,53 @@
+package hotline
+
+import (
+	"encoding/binary"
+	"github.com/jhalter/mobius/concat"
+)
+
+// FileNameWithInfo field content is presented in this structure:
+// Type	4		Folder (‘fldr’) or other
+// Creator	4
+// File size	4
+// 4		Reserved?
+// Name script	2
+// Name size	2
+// Name data	size
+type FileNameWithInfo struct {
+	Type       []byte // file type code
+	Creator    []byte // File creator code
+	FileSize   []byte // File Size in bytes
+	RSVD       []byte
+	NameScript []byte // TODO: What is this?
+	NameSize   []byte // Length of name field
+	Name       []byte // File name
+}
+
+func (f FileNameWithInfo) Payload() []byte {
+	name := f.Name
+	nameSize := make([]byte, 2)
+	binary.BigEndian.PutUint16(nameSize, uint16(len(name)))
+
+	return concat.Slices(
+		f.Type,
+		f.Creator,
+		f.FileSize,
+		[]byte{0, 0, 0, 0},
+		f.NameScript,
+		nameSize,
+		f.Name,
+	)
+}
+
+func (f *FileNameWithInfo) Read(p []byte) (n int, err error) {
+	// TODO: check p for expected len
+	f.Type = p[0:4]
+	f.Creator = p[4:8]
+	f.FileSize = p[8:12]
+	f.RSVD = p[12:16]
+	f.NameScript = p[16:18]
+	f.NameSize = p[18:20]
+	f.Name = p[20:]
+
+	return len(p), err
+}