First commit

unpack.go

@@ -0,0 +1,77 @@
+package docxlib
+
+import (
+	"archive/zip"
+	"encoding/xml"
+	"fmt"
+	"io/ioutil"
+)
+
+func unpack(zipReader *zip.Reader) (docx *Docx, err error) {
+	var doc *Document
+	var relations *Relationships
+	for _, f := range zipReader.File {
+		if f.Name == "word/_rels/document.xml.rels" {
+			relations, err = processRelations(f)
+			if err != nil {
+				return nil, err
+			}
+		}
+		if f.Name == "word/document.xml" {
+			doc, err = processDoc(f)
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+	docx = &Docx{
+		Document:    *doc,
+		DocRelation: *relations,
+	}
+	return docx, nil
+}
+
+func processDoc(file *zip.File) (*Document, error) {
+	filebytes, err := readZipFile(file)
+	if err != nil {
+		fmt.Println("Error reading from internal zip file")
+		return nil, err
+	}
+	doc := Document{
+		XMLW:    XMLNS_W,
+		XMLR:    XMLNS_R,
+		XMLName: xml.Name{Space: XMLNS_W, Local: "document"}}
+	err = xml.Unmarshal(filebytes, &doc)
+	//r := bytes.NewReader(filebytes)
+	//err = decode(r)
+	if err != nil {
+		fmt.Println("Error unmarshalling doc")
+		fmt.Println(string(filebytes))
+		return nil, err
+	}
+	return &doc, nil
+}
+
+func processRelations(file *zip.File) (*Relationships, error) {
+	filebytes, err := readZipFile(file)
+	if err != nil {
+		fmt.Println("Error reading from internal zip file")
+		return nil, err
+	}
+	rels := Relationships{Xmlns: "none"}
+	err = xml.Unmarshal(filebytes, &rels)
+	if err != nil {
+		fmt.Println("Error unmarshalling relationships")
+		return nil, err
+	}
+	return &rels, nil
+}
+
+func readZipFile(zf *zip.File) ([]byte, error) {
+	f, err := zf.Open()
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	return ioutil.ReadAll(f)
+}