add: wpc & more w:ln

structcanvas.go

@@ -0,0 +1,127 @@
+package docx
+
+import (
+	"encoding/xml"
+	"io"
+	"strings"
+)
+
+type WordprocessingCanvas struct {
+	XMLName    xml.Name `xml:"wpc:wpc,omitempty"`
+	Background *WPCBackground
+	Whole      *WPCWhole
+
+	Items []interface{}
+}
+
+// UnmarshalXML ...
+func (c *WordprocessingCanvas) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
+	for {
+		t, err := d.Token()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		if tt, ok := t.(xml.StartElement); ok {
+			switch tt.Name.Local {
+			case "bg":
+				c.Background = new(WPCBackground)
+				err = d.DecodeElement(c.Background, &tt)
+				if err != nil && !strings.HasPrefix(err.Error(), "expected") {
+					return err
+				}
+			case "whole":
+				c.Whole = new(WPCWhole)
+				err = d.DecodeElement(c.Whole, &tt)
+				if err != nil && !strings.HasPrefix(err.Error(), "expected") {
+					return err
+				}
+			case "wsp":
+				var value WPSWordprocessingShape
+				err = d.DecodeElement(&value, &tt)
+				if err != nil && !strings.HasPrefix(err.Error(), "expected") {
+					return err
+				}
+				c.Items = append(c.Items, &value)
+			default:
+				err = d.Skip() // skip unsupported tags
+				if err != nil {
+					return err
+				}
+				continue
+			}
+		}
+	}
+	return nil
+}
+
+type WPCBackground struct {
+	XMLName xml.Name  `xml:"wpc:bg,omitempty"`
+	NoFill  *struct{} `xml:"a:noFill,omitempty"`
+}
+
+// UnmarshalXML ...
+func (b *WPCBackground) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
+	for {
+		t, err := d.Token()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		if tt, ok := t.(xml.StartElement); ok {
+			switch tt.Name.Local {
+			case "noFill":
+				b.NoFill = &struct{}{}
+			default:
+				err = d.Skip() // skip unsupported tags
+				if err != nil {
+					return err
+				}
+				continue
+			}
+		}
+	}
+	return nil
+}
+
+type WPCWhole struct {
+	XMLName xml.Name `xml:"wpc:whole,omitempty"`
+	Line    *ALine
+}
+
+// UnmarshalXML ...
+func (w *WPCWhole) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
+	for {
+		t, err := d.Token()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		if tt, ok := t.(xml.StartElement); ok {
+			switch tt.Name.Local {
+			case "ln":
+				w.Line = new(ALine)
+				err = d.DecodeElement(w.Line, &tt)
+				if err != nil && !strings.HasPrefix(err.Error(), "expected") {
+					return err
+				}
+			default:
+				err = d.Skip() // skip unsupported tags
+				if err != nil {
+					return err
+				}
+				continue
+			}
+		}
+	}
+	return nil
+}