initial commit

1 files changed, 61 insertions, 0 deletions

diff --git a/server/chat.go b/server/chat.go
new file mode 100644
index 0000000..a32da17
--- /dev/null
+++ b/server/chat.go
@@ -0,0 +1,61 @@
+package server
+
+import (
+	"strings"
+	"git.citrons.xyz/metronode/classic"
+)
+
+func processChatMessage(message string) []classic.Packet {
+	var (
+		packets []classic.Packet
+		in = strings.NewReader(message)
+		line strings.Builder
+		word strings.Builder
+		color byte = 'f'
+	)
+	for in.Len() > 0 {
+		for {
+			b, err := in.ReadByte()
+			if b > 127 {
+				b = '?'
+			}
+			if err == nil {
+				if b == '&' || b == '%' {
+					if word.Len() + 1 >= 64 {
+						line.WriteString(word.String())
+						word.Reset()
+					}
+					next, err := in.ReadByte()
+					in.UnreadByte()
+					if err != nil {
+						word.WriteString("& ")
+					} else if (next >= '0' && next <= '9') ||
+							(next >= 'a' && next <= 'f') {
+						b = '&'
+						color = next
+					}
+				}
+				word.WriteByte(b)
+			}
+			if line.Len() + word.Len() > 64 {
+				break
+			}
+			if err != nil {
+				line.WriteString(word.String())
+				word.Reset()
+				break
+			}
+			if word.Len() >= 64 || b == ' ' {
+				line.WriteString(word.String())
+				word.Reset()
+			}
+		}
+		packet := &classic.Message {
+			Message: classic.PadString(line.String()),
+		}
+		packets = append(packets, packet)
+		line.Reset()
+		line.WriteString("&f> &" + string([]byte{color}))
+	}
+	return packets
+}