Paste from Office should not break the list on the following blocks in the same list item or deduce a start attribute for a split list

packages/ckeditor5-paste-from-office/src/filters/removemsattributes.ts

@@ -7,15 +7,16 @@
  * @module paste-from-office/filters/removemsattributes
  */
 
-import { UpcastWriter, type ViewDocumentFragment } from 'ckeditor5/src/engine.js';
+import { UpcastWriter, type ViewDocumentFragment, type ViewElement } from 'ckeditor5/src/engine.js';
 
 /**
  * Cleanup MS attributes like styles, attributes and elements.
  *
  * @param documentFragment element `data.content` obtained from clipboard.
  */
 export default function removeMSAttributes( documentFragment: ViewDocumentFragment ): void {
-	const elementsToUnwrap = [];
+	const elementsToUnwrap: Array<ViewElement> = [];
+
 	const writer = new UpcastWriter( documentFragment.document );
 
 	for ( const { item } of writer.createRangeIn( documentFragment ) ) {
@@ -35,7 +36,11 @@ export default function removeMSAttributes( documentFragment: ViewDocumentFragme
 			}
 		}
 
-		if ( item.is( 'element', 'w:sdt' ) ) {
+		if (
+			item.is( 'element', 'w:sdt' ) ||
+			item.is( 'element', 'w:sdtpr' ) && item.isEmpty ||
+			item.is( 'element', 'o:p' ) && item.isEmpty
+		) {
 			elementsToUnwrap.push( item );
 		}
 	}

packages/ckeditor5-paste-from-office/src/filters/utils.ts

@@ -0,0 +1,58 @@
+/**
+ * @license Copyright (c) 2003-2024, CKSource Holding sp. z o.o. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+/**
+ * @module paste-from-office/filters/utils
+ */
+
+/**
+ * Normalizes CSS length value to 'px'.
+ *
+ * @internal
+ */
+export function convertCssLengthToPx( value: string ): string {
+	const numericValue = parseFloat( value );
+
+	if ( value.endsWith( 'pt' ) ) {
+		// 1pt = 1in / 72
+		return toPx( numericValue * 96 / 72 );
+	}
+	else if ( value.endsWith( 'pc' ) ) {
+		// 1pc = 12pt = 1in / 6.
+		return toPx( numericValue * 12 * 96 / 72 );
+	}
+	else if ( value.endsWith( 'in' ) ) {
+		// 1in = 2.54cm = 96px
+		return toPx( numericValue * 96 );
+	}
+	else if ( value.endsWith( 'cm' ) ) {
+		// 1cm = 96px / 2.54
+		return toPx( numericValue * 96 / 2.54 );
+	}
+	else if ( value.endsWith( 'mm' ) ) {
+		// 1mm = 1cm / 10
+		return toPx( numericValue / 10 * 96 / 2.54 );
+	}
+
+	return value;
+}
+
+/**
+ * Returns true for value with 'px' unit.
+ *
+ * @internal
+ */
+export function isPx( value?: string ): value is string {
+	return value !== undefined && value.endsWith( 'px' );
+}
+
+/**
+ * Returns a rounded 'px' value.
+ *
+ * @internal
+ */
+export function toPx( value: number ): string {
+	return value.toFixed( 2 ).replace( /\.?0+$/, '' ) + 'px';
+}

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/bold-within-text/normalized.safari.word2016.html

@@ -1 +1 @@
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Some text <b>with bold</b>.<o:p></o:p></span></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Some text <b>with bold</b>.</span></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/bold-within-text/normalized.word2016.html

@@ -1,3 +1,3 @@
 <p>
-	<span lang=PL>Some text <b>with bold</b>.<o:p></o:p></span>
+	<span lang=PL>Some text <b>with bold</b>.</span>
 </p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/italic-starting-text/normalized.safari.word2016.html

@@ -1 +1 @@
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><i><span>Italic</span></i><span>text.<o:p></o:p></span></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><i><span>Italic</span></i><span>text.</span></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/italic-starting-text/normalized.word2016.html

@@ -1,4 +1,4 @@
 <p>
 	<i><span lang=PL>Italic</span></i>
-	<span lang=PL> text.<o:p></o:p></span>
+	<span lang=PL> text.</span>
 </p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/multiple-styles-multiline/normalized.safari.word2016.html

@@ -1,3 +1,3 @@
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Line <b>bold</b>and <i>italics</i><o:p></o:p></span></p>
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Line <b><u>foo</u></b><u>bar</u><o:p></o:p></span></p>
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><s><span lang="EN-US">Third</span></s><span lang="EN-US">line <b>styling, <i>space on e</i>nd&nbsp;</b><o:p></o:p></span></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Line <b>bold</b>and <i>italics</i></span></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Line <b><u>foo</u></b><u>bar</u></span></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><s><span lang="EN-US">Third</span></s><span lang="EN-US">line <b>styling, <i>space on e</i>nd&nbsp;</b></span></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/multiple-styles-multiline/normalized.word2016.html

@@ -1,9 +1,9 @@
 <p>
-	<span lang=PL>Line <b>bold</b> and <i>italics</i><o:p></o:p></span>
+	<span lang=PL>Line <b>bold</b> and <i>italics</i></span>
 </p>
 
 <p>
-	<span lang=PL>Line <b><u>foo</u></b><u> bar</u><o:p></o:p></span>
+	<span lang=PL>Line <b><u>foo</u></b><u> bar</u></span>
 </p>
 
-<p><s>Third</s> line <b>styling, <i>space on e</i>nd&nbsp;</b><o:p></o:p></p>
+<p><s>Third</s> line <b>styling, <i>space on e</i>nd&nbsp;</b></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/multiple-styles-single-line/normalized.safari.word2016.html

@@ -1 +1 @@
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Text <b><u>containi<s>ng</s></u></b><s><u>multi</u>ple </s><i>styling</i>.<o:p></o:p></span></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Text <b><u>containi<s>ng</s></u></b><s><u>multi</u>ple </s><i>styling</i>.</span></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/multiple-styles-single-line/normalized.word2016.html

@@ -1,3 +1,3 @@
 <p>
-	<span lang=PL>Text <b><u>containi<s>ng</s></u></b><s><u> multi</u>ple </s><i>styling</i>.<o:p></o:p></span>
+	<span lang=PL>Text <b><u>containi<s>ng</s></u></b><s><u> multi</u>ple </s><i>styling</i>.</span>
 </p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/strikethrough-ending-text/normalized.safari.word2016.html

@@ -1 +1 @@
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Text <s>incorrect</s><o:p></o:p></span></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span>Text <s>incorrect</s></span></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/strikethrough-ending-text/normalized.word2016.html

@@ -1 +1 @@
-<p><span lang=PL>Text <s>incorrect</s><o:p></o:p></span></p>
+<p><span lang=PL>Text <s>incorrect</s></span></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/underlined-text/normalized.safari.word2016.html

@@ -1 +1 @@
-<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><u><span>Whole text underlined<o:p></o:p></span></u></p>
+<p style="margin: 0cm 0cm 8pt; line-height: 15.693333625793457px; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><u><span>Whole text underlined</span></u></p>

packages/ckeditor5-paste-from-office/tests/_data/basic-styles/underlined-text/normalized.word2016.html

@@ -1,3 +1,3 @@
 <p>
-	<u><span lang=PL>Whole text underlined<o:p></o:p></span></u>
+	<u><span lang=PL>Whole text underlined</span></u>
 </p>

packages/ckeditor5-paste-from-office/tests/_data/image/adjacent-groups/normalized.safari.word2016.html

@@ -39,5 +39,5 @@
 	<span lang="EN-US">
 		<img width="153" height="153" src="blob:http://localhost:9876/4fe9e7ab-3fec-4cce-98b8-7773476dbbf0" v:shapes="Obraz_x0020_12">
 	</span>
-	<span lang="EN-US"><o:p></o:p></span>
+	<span lang="EN-US"></span>
 </p>