schema: round trip extra content on Workbook

Excel occasionally drops some alternate content with path information here.
doniexun · Oct 2, 2017 · 56e9890 · 56e9890
1 parent 99ed487
commit 56e9890
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Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/schema/soo/sml/CT_Workbook.go b/schema/soo/sml/CT_Workbook.go
@@ -58,6 +58,7 @@ type CT_Workbook struct {
 	WebPublishObjects *CT_WebPublishObjects
 	// Future Feature Data Storage Area
 	ExtLst *CT_ExtensionList
+	Extra  []gooxml.Any
 }
 
 func NewCT_Workbook() *CT_Workbook {
@@ -151,6 +152,11 @@ func (m *CT_Workbook) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 		seextLst := xml.StartElement{Name: xml.Name{Local: "ma:extLst"}}
 		e.EncodeElement(m.ExtLst, seextLst)
 	}
+	for _, any := range m.Extra {
+		if err := any.MarshalXML(e, xml.StartElement{}); err != nil {
+			return err
+		}
+	}
 	e.EncodeToken(xml.EndElement{Name: start.Name})
 	return nil
 }
@@ -268,10 +274,11 @@ lCT_Workbook:
 					return err
 				}
 			default:
-				gooxml.Log("skipping unsupported element on CT_Workbook %v", el.Name)
-				if err := d.Skip(); err != nil {
+				any := &gooxml.XSDAny{}
+				if err := d.DecodeElement(any, &el); err != nil {
 					return err
 				}
+				m.Extra = append(m.Extra, any)
 			}
 		case xml.EndElement:
 			break lCT_Workbook

diff --git a/schema/soo/sml/Workbook.go b/schema/soo/sml/Workbook.go
@@ -149,10 +149,11 @@ lWorkbook:
 					return err
 				}
 			default:
-				gooxml.Log("skipping unsupported element on Workbook %v", el.Name)
-				if err := d.Skip(); err != nil {
+				any := &gooxml.XSDAny{}
+				if err := d.DecodeElement(any, &el); err != nil {
 					return err
 				}
+				m.Extra = append(m.Extra, any)
 			}
 		case xml.EndElement:
 			break lWorkbook