Initial squashed commit

1 files changed, 120 insertions, 0 deletions

diff --git a/field.go b/field.go
new file mode 100644
index 0000000..161a9b2
--- /dev/null
+++ b/field.go
@@ -0,0 +1,120 @@
+package hotline
+
+import (
+	"encoding/binary"
+	"github.com/jhalter/mobius/concat"
+)
+
+const fieldError = 100
+const fieldData = 101
+const fieldUserName = 102
+const fieldUserID = 103
+const fieldUserIconID = 104
+const fieldUserLogin = 105
+const fieldUserPassword = 106
+const fieldRefNum = 107
+const fieldTransferSize = 108
+const fieldChatOptions = 109
+const fieldUserAccess = 110
+const fieldUserAlias = 111
+const fieldUserFlags = 112
+const fieldOptions = 113
+const fieldChatID = 114
+const fieldChatSubject = 115
+const fieldWaitingCount = 116
+const fieldVersion = 160
+const fieldCommunityBannerID = 161
+const fieldServerName = 162
+const fieldFileNameWithInfo = 200
+const fieldFileName = 201
+const fieldFilePath = 202
+const fieldFileTypeString = 205
+const fieldFileCreatorString = 206
+const fieldFileSize = 207
+const fieldFileCreateDate = 208
+const fieldFileModifyDate = 209
+const fieldFileComment = 210
+const fieldFileNewName = 211
+const fieldFileNewPath = 212
+const fieldFileType = 213
+const fieldQuotingMsg = 214 // Defined but unused in the Hotline Protocol spec
+const fieldAutomaticResponse = 215
+const fieldFolderItemCount = 220
+const fieldUsernameWithInfo = 300
+const fieldNewsArtListData = 321
+const fieldNewsCatName = 322
+const fieldNewsCatListData15 = 323
+const fieldNewsPath = 325
+const fieldNewsArtID = 326
+const fieldNewsArtDataFlav = 327
+const fieldNewsArtTitle = 328
+const fieldNewsArtPoster = 329
+const fieldNewsArtDate = 330
+const fieldNewsArtPrevArt = 331
+const fieldNewsArtNextArt = 332
+const fieldNewsArtData = 333
+const fieldNewsArtFlags = 334
+const fieldNewsArtParentArt = 335
+const fieldNewsArt1stChildArt = 336
+const fieldNewsArtRecurseDel = 337
+
+type Field struct {
+	ID        []byte // Type of field
+	FieldSize []byte // Size of the data part
+	Data      []byte // Actual field content
+}
+
+type requiredField struct {
+	ID     int
+	minLen int
+	maxLen int
+}
+
+func NewField(id uint16, data []byte) Field {
+	idBytes := make([]byte, 2)
+	binary.BigEndian.PutUint16(idBytes, id)
+
+	bs := make([]byte, 2)
+	binary.BigEndian.PutUint16(bs, uint16(len(data)))
+
+	return Field{
+		ID:        idBytes,
+		FieldSize: bs,
+		Data:      data,
+	}
+}
+
+func (f Field) Payload() []byte {
+	return concat.Slices(f.ID, f.FieldSize, f.Data)
+}
+
+type FileNameWithInfo struct {
+	Type       string // file type code
+	Creator    []byte // File creator code
+	FileSize   uint32 // File Size in bytes
+	NameScript []byte // TODO: What is this?
+	NameSize   []byte // Length of name field
+	Name       string // File name
+}
+
+func (f FileNameWithInfo) Payload() []byte {
+	name := []byte(f.Name)
+	nameSize := make([]byte, 2)
+	binary.BigEndian.PutUint16(nameSize, uint16(len(name)))
+
+	kb := f.FileSize
+
+	fSize := make([]byte, 4)
+	binary.BigEndian.PutUint32(fSize, kb)
+
+	return concat.Slices(
+		[]byte(f.Type),
+		f.Creator,
+		fSize,
+		[]byte{0, 0, 0, 0},
+		f.NameScript,
+		nameSize,
+		[]byte(f.Name),
+	)
+
+}