From a08db23a31b5c2fb6535ebe0977a7420848019b8 Mon Sep 17 00:00:00 2001
From: Bernhard B <bernhard@liftingcoder.com>
Date: Sun, 16 Aug 2026 22:51:31 +0200
Subject: [PATCH] fixed bug in textstyleparser

* the textstyleparser now properly handles `***` and marks the
  text as bold and italic.

see #879
---
 src/utils/textstyleparser.go      | 35 ++++++++++++++++++++++++-------
 src/utils/textstyleparser_test.go |  8 ++++++-
 2 files changed, 35 insertions(+), 8 deletions(-)

diff --git a/src/utils/textstyleparser.go b/src/utils/textstyleparser.go
index 9b267c9..f8b4beb 100644
--- a/src/utils/textstyleparser.go
+++ b/src/utils/textstyleparser.go
@@ -23,6 +23,7 @@ const (
 	MonoSpaceBegin         = 6
 	StrikethroughBegin     = 8
 	SpoilerBegin           = 9
+	BoldItalicBegin        = 10
 )
 
 const EscapeCharacter rune = '\\'
@@ -119,7 +120,14 @@ func (l *TextstyleParser) handleToken(tokenType int, signalCliStylingType string
 	} else {
 		if l.tokens.Peek().Token == tokenType {
 			tokenBeginState := l.tokens.Pop()
-			l.signalCliFormatStrings = append(l.signalCliFormatStrings, strconv.Itoa(tokenBeginState.BeginPos)+":"+strconv.Itoa(getUtf16StringLength(l.fullString)-tokenBeginState.BeginPos)+":"+signalCliStylingType)
+			length := getUtf16StringLength(l.fullString) - tokenBeginState.BeginPos
+
+			if tokenType == BoldItalicBegin {
+				l.signalCliFormatStrings = append(l.signalCliFormatStrings, strconv.Itoa(tokenBeginState.BeginPos)+":"+strconv.Itoa(length)+":"+Bold)
+				l.signalCliFormatStrings = append(l.signalCliFormatStrings, strconv.Itoa(tokenBeginState.BeginPos)+":"+strconv.Itoa(length)+":"+Italic)
+			} else {
+				l.signalCliFormatStrings = append(l.signalCliFormatStrings, strconv.Itoa(tokenBeginState.BeginPos)+":"+strconv.Itoa(length)+":"+signalCliStylingType)
+			}
 		} else {
 			l.tokens.Push(TokenState{BeginPos: getUtf16StringLength(l.fullString), Token: tokenType})
 		}
@@ -137,14 +145,27 @@ func (l *TextstyleParser) Parse() (string, []string) {
 		nextRune := l.peek()
 
 		if c == '*' {
-			if nextRune == '*' { //Bold
+			if nextRune == '*' {
 				l.next()
-				if prevChar == EscapeCharacter {
-					prevChar = c
-					l.fullString += "**"
-					continue
+
+				if l.peek() == '*' { // Check for *** before treating it as **
+					l.next()
+
+					if prevChar == EscapeCharacter {
+						prevChar = c
+						l.fullString += "***"
+						continue
+					}
+
+					l.handleToken(BoldItalicBegin, "BOLD_ITALIC")
+				} else {
+					if prevChar == EscapeCharacter {
+						prevChar = c
+						l.fullString += "**"
+						continue
+					}
+					l.handleToken(BoldBegin, Bold)
 				}
-				l.handleToken(BoldBegin, Bold)
 			} else { //Italic
 				if prevChar == EscapeCharacter {
 					prevChar = c
diff --git a/src/utils/textstyleparser_test.go b/src/utils/textstyleparser_test.go
index 480a1fd..0ad3237 100644
--- a/src/utils/textstyleparser_test.go
+++ b/src/utils/textstyleparser_test.go
@@ -155,5 +155,11 @@ func TestEscapeNew(t *testing.T) {
 	message, signalCliFormatStrings := textstyleParser.Parse()
 	expectMessageEqual(t, message, "Test ** * ~ Escape")
 	expectFormatStringsEqual(t, signalCliFormatStrings, []string{})
-
+}
+
+func TestBoldItalic(t *testing.T) {
+	textstyleParser := NewTextstyleParser("***Bold Italic Text***")
+	message, signalCliFormatStrings := textstyleParser.Parse()
+	expectMessageEqual(t, message, "Bold Italic Text")
+	expectFormatStringsEqual(t, signalCliFormatStrings, []string{"0:16:BOLD", "0:16:ITALIC"})
 }