1 files changed, 0 insertions, 351 deletions
diff --git a/vendor/github.com/matterbridge/go-whatsapp/binary/encoder.go b/vendor/github.com/matterbridge/go-whatsapp/binary/encoder.go
deleted file mode 100644
index a8ff1c75..00000000
--- a/vendor/github.com/matterbridge/go-whatsapp/binary/encoder.go
+++ /dev/null
@@ -1,351 +0,0 @@
-package binary
-
-import (
-	"fmt"
-	"github.com/matterbridge/go-whatsapp/binary/token"
-	"math"
-	"strconv"
-	"strings"
-)
-
-type binaryEncoder struct {
-	data []byte
-}
-
-func NewEncoder() *binaryEncoder {
-	return &binaryEncoder{make([]byte, 0)}
-}
-
-func (w *binaryEncoder) GetData() []byte {
-	return w.data
-}
-
-func (w *binaryEncoder) pushByte(b byte) {
-	w.data = append(w.data, b)
-}
-
-func (w *binaryEncoder) pushBytes(bytes []byte) {
-	w.data = append(w.data, bytes...)
-}
-
-func (w *binaryEncoder) pushIntN(value, n int, littleEndian bool) {
-	for i := 0; i < n; i++ {
-		var curShift int
-		if littleEndian {
-			curShift = i
-		} else {
-			curShift = n - i - 1
-		}
-		w.pushByte(byte((value >> uint(curShift*8)) & 0xFF))
-	}
-}
-
-func (w *binaryEncoder) pushInt20(value int) {
-	w.pushBytes([]byte{byte((value >> 16) & 0x0F), byte((value >> 8) & 0xFF), byte(value & 0xFF)})
-}
-
-func (w *binaryEncoder) pushInt8(value int) {
-	w.pushIntN(value, 1, false)
-}
-
-func (w *binaryEncoder) pushInt16(value int) {
-	w.pushIntN(value, 2, false)
-}
-
-func (w *binaryEncoder) pushInt32(value int) {
-	w.pushIntN(value, 4, false)
-}
-
-func (w *binaryEncoder) pushInt64(value int) {
-	w.pushIntN(value, 8, false)
-}
-
-func (w *binaryEncoder) pushString(value string) {
-	w.pushBytes([]byte(value))
-}
-
-func (w *binaryEncoder) writeByteLength(length int) error {
-	if length > math.MaxInt32 {
-		return fmt.Errorf("length is too large: %d", length)
-	} else if length >= (1 << 20) {
-		w.pushByte(token.BINARY_32)
-		w.pushInt32(length)
-	} else if length >= 256 {
-		w.pushByte(token.BINARY_20)
-		w.pushInt20(length)
-	} else {
-		w.pushByte(token.BINARY_8)
-		w.pushInt8(length)
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) WriteNode(n Node) error {
-	numAttributes := 0
-	if n.Attributes != nil {
-		numAttributes = len(n.Attributes)
-	}
-
-	hasContent := 0
-	if n.Content != nil {
-		hasContent = 1
-	}
-
-	w.writeListStart(2*numAttributes + 1 + hasContent)
-	if err := w.writeString(n.Description, false); err != nil {
-		return err
-	}
-
-	if err := w.writeAttributes(n.Attributes); err != nil {
-		return err
-	}
-
-	if err := w.writeChildren(n.Content); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) writeString(tok string, i bool) error {
-	if !i && tok == "c.us" {
-		if err := w.writeToken(token.IndexOfSingleToken("s.whatsapp.net")); err != nil {
-			return err
-		}
-		return nil
-	}
-
-	tokenIndex := token.IndexOfSingleToken(tok)
-	if tokenIndex == -1 {
-		jidSepIndex := strings.Index(tok, "@")
-		if jidSepIndex < 1 {
-			w.writeStringRaw(tok)
-		} else {
-			w.writeJid(tok[:jidSepIndex], tok[jidSepIndex+1:])
-		}
-	} else {
-		if tokenIndex < token.SINGLE_BYTE_MAX {
-			if err := w.writeToken(tokenIndex); err != nil {
-				return err
-			}
-		} else {
-			singleByteOverflow := tokenIndex - token.SINGLE_BYTE_MAX
-			dictionaryIndex := singleByteOverflow >> 8
-			if dictionaryIndex < 0 || dictionaryIndex > 3 {
-				return fmt.Errorf("double byte dictionary token out of range: %v", tok)
-			}
-			if err := w.writeToken(token.DICTIONARY_0 + dictionaryIndex); err != nil {
-				return err
-			}
-			if err := w.writeToken(singleByteOverflow % 256); err != nil {
-				return err
-			}
-		}
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) writeStringRaw(value string) error {
-	if err := w.writeByteLength(len(value)); err != nil {
-		return err
-	}
-
-	w.pushString(value)
-
-	return nil
-}
-
-func (w *binaryEncoder) writeJid(jidLeft, jidRight string) error {
-	w.pushByte(token.JID_PAIR)
-
-	if jidLeft != "" {
-		if err := w.writePackedBytes(jidLeft); err != nil {
-			return err
-		}
-	} else {
-		if err := w.writeToken(token.LIST_EMPTY); err != nil {
-			return err
-		}
-	}
-
-	if err := w.writeString(jidRight, false); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) writeToken(tok int) error {
-	if tok < len(token.SingleByteTokens) {
-		w.pushByte(byte(tok))
-	} else if tok <= 500 {
-		return fmt.Errorf("invalid token: %d", tok)
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) writeAttributes(attributes map[string]string) error {
-	if attributes == nil {
-		return nil
-	}
-
-	for key, val := range attributes {
-		if val == "" {
-			continue
-		}
-
-		if err := w.writeString(key, false); err != nil {
-			return err
-		}
-
-		if err := w.writeString(val, false); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) writeChildren(children interface{}) error {
-	if children == nil {
-		return nil
-	}
-
-	switch childs := children.(type) {
-	case string:
-		if err := w.writeString(childs, true); err != nil {
-			return err
-		}
-	case []byte:
-		if err := w.writeByteLength(len(childs)); err != nil {
-			return err
-		}
-
-		w.pushBytes(childs)
-	case []Node:
-		w.writeListStart(len(childs))
-		for _, n := range childs {
-			if err := w.WriteNode(n); err != nil {
-				return err
-			}
-		}
-	default:
-		return fmt.Errorf("cannot write child of type: %T", children)
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) writeListStart(listSize int) {
-	if listSize == 0 {
-		w.pushByte(byte(token.LIST_EMPTY))
-	} else if listSize < 256 {
-		w.pushByte(byte(token.LIST_8))
-		w.pushInt8(listSize)
-	} else {
-		w.pushByte(byte(token.LIST_16))
-		w.pushInt16(listSize)
-	}
-}
-
-func (w *binaryEncoder) writePackedBytes(value string) error {
-	if err := w.writePackedBytesImpl(value, token.NIBBLE_8); err != nil {
-		if err := w.writePackedBytesImpl(value, token.HEX_8); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) writePackedBytesImpl(value string, dataType int) error {
-	numBytes := len(value)
-	if numBytes > token.PACKED_MAX {
-		return fmt.Errorf("too many bytes to pack: %d", numBytes)
-	}
-
-	w.pushByte(byte(dataType))
-
-	x := 0
-	if numBytes%2 != 0 {
-		x = 128
-	}
-	w.pushByte(byte(x | int(math.Ceil(float64(numBytes)/2.0))))
-	for i, l := 0, numBytes/2; i < l; i++ {
-		b, err := w.packBytePair(dataType, value[2*i:2*i+1], value[2*i+1:2*i+2])
-		if err != nil {
-			return err
-		}
-
-		w.pushByte(byte(b))
-	}
-
-	if (numBytes % 2) != 0 {
-		b, err := w.packBytePair(dataType, value[numBytes-1:], "\x00")
-		if err != nil {
-			return err
-		}
-
-		w.pushByte(byte(b))
-	}
-
-	return nil
-}
-
-func (w *binaryEncoder) packBytePair(packType int, part1, part2 string) (int, error) {
-	if packType == token.NIBBLE_8 {
-		n1, err := packNibble(part1)
-		if err != nil {
-			return 0, err
-		}
-
-		n2, err := packNibble(part2)
-		if err != nil {
-			return 0, err
-		}
-
-		return (n1 << 4) | n2, nil
-	} else if packType == token.HEX_8 {
-		n1, err := packHex(part1)
-		if err != nil {
-			return 0, err
-		}
-
-		n2, err := packHex(part2)
-		if err != nil {
-			return 0, err
-		}
-
-		return (n1 << 4) | n2, nil
-	} else {
-		return 0, fmt.Errorf("invalid pack type (%d) for byte pair: %s / %s", packType, part1, part2)
-	}
-}
-
-func packNibble(value string) (int, error) {
-	if value >= "0" && value <= "9" {
-		return strconv.Atoi(value)
-	} else if value == "-" {
-		return 10, nil
-	} else if value == "." {
-		return 11, nil
-	} else if value == "\x00" {
-		return 15, nil
-	}
-
-	return 0, fmt.Errorf("invalid string to pack as nibble: %v", value)
-}
-
-func packHex(value string) (int, error) {
-	if (value >= "0" && value <= "9") || (value >= "A" && value <= "F") || (value >= "a" && value <= "f") {
-		d, err := strconv.ParseInt(value, 16, 0)
-		return int(d), err
-	} else if value == "\x00" {
-		return 15, nil
-	}
-
-	return 0, fmt.Errorf("invalid string to pack as hex: %v", value)
-}