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add AddInlineDrawingFrom

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This commit is contained in:
源文雨
2023-02-20 22:48:04 +08:00
parent f07b5dd914
commit 292a298c57
27 changed files with 634 additions and 130 deletions
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3
.gitignore vendored
View File

@@ -1,4 +1,5 @@
docxlib
.vscode/
*.docx
/*.xml
/*.xml
.DS_Store

96
apidrawing.go
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@@ -1,7 +1,95 @@
package docxlib
// AddDrawing adds drawing to paragraph
func (p *Paragraph) AddDrawing(pic []byte) *Run {
//TODO: finish add drawing
return nil
import (
"bytes"
"fmt"
"math/rand"
"os"
"strconv"
"sync/atomic"
"github.com/fumiama/imgsz"
)
// AddInlineDrawing adds inline drawing to paragraph
func (p *Paragraph) AddInlineDrawing(pic []byte) (*Run, error) {
sz, format, err := imgsz.DecodeSize(bytes.NewReader(pic))
if err != nil {
return nil, err
}
id := strconv.Itoa(int(atomic.AddUintptr(&p.file.imageId, 1)))
rId := p.file.addImage(Media{Name: "image" + id + "." + format, Data: pic})
w, h := sz.Width, sz.Height
if float64(w)/float64(h) > 1.2 {
h = A4_EMU_MAX_WIDTH * h / w
w = A4_EMU_MAX_WIDTH
} else {
h = A4_EMU_MAX_WIDTH * h / w / 2
w = A4_EMU_MAX_WIDTH / 2
}
d := &Drawing{
Inline: &WPInline{
AnchorID: fmt.Sprintf("%08X", rand.Uint32()),
EditID: fmt.Sprintf("%08X", rand.Uint32()),
Extent: &WPExtent{
CX: w,
CY: h,
},
EffectExtent: &WPEffectExtent{},
DocPr: &WPDocPr{
ID: id,
Name: "图片 " + id,
},
CNvGraphicFramePr: &WPCNvGraphicFramePr{
Locks: &AGraphicFrameLocks{
NoChangeAspect: 1,
},
},
Graphic: &AGraphic{
GraphicData: &AGraphicData{
URI: XMLNS_PICTURE,
Pic: &PICPic{
NonVisualPicProperties: &PICNonVisualPicProperties{
NonVisualDrawingProperties: PICNonVisualDrawingProperties{
ID: id,
},
},
BlipFill: &PICBlipFill{
Blip: ABlip{
Embed: rId,
Cstate: "print",
},
},
SpPr: &PICSpPr{
Xfrm: AXfrm{
Ext: AExt{
CX: w,
CY: h,
},
},
PrstGeom: APrstGeom{
Prst: "rect",
},
},
},
},
},
},
}
run := &Run{
Drawing: d,
RunProperties: &RunProperties{},
}
p.Children = append(p.Children, ParagraphChild{Run: run})
return run, nil
}
// AddInlineDrawingFrom adds drawing from file to paragraph
func (p *Paragraph) AddInlineDrawingFrom(file string) (*Run, error) {
data, err := os.ReadFile(file)
if err != nil {
return nil, err
}
return p.AddInlineDrawing(data)
}

19
apilink.go
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@@ -1,28 +1,9 @@
package docxlib
import (
"strconv"
"sync/atomic"
)
const (
HYPERLINK_STYLE = "a1"
)
// when adding an hyperlink we need to store a reference in the relationship field
func (f *Docx) addLinkRelation(link string) string {
rel := &Relationship{
ID: "rId" + strconv.Itoa(int(atomic.AddUintptr(&f.rId, 1))),
Type: REL_HYPERLINK,
Target: link,
TargetMode: REL_TARGETMODE,
}
f.DocRelation.Relationships = append(f.DocRelation.Relationships, rel)
return rel.ID
}
// AddLink adds an hyperlink to paragraph
func (p *Paragraph) AddLink(text string, link string) *Hyperlink {
rId := p.file.addLinkRelation(link)

29
apitext.go
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@@ -1,7 +1,5 @@
package docxlib
import "strings"
// AddText adds text to paragraph
func (p *Paragraph) AddText(text string) *Run {
t := &Text{
@@ -17,30 +15,3 @@ func (p *Paragraph) AddText(text string) *Run {
return run
}
func (p *Paragraph) String() string {
sb := strings.Builder{}
for _, c := range p.Children {
switch {
case c.Link != nil:
id := c.Link.ID
text := c.Link.Run.InstrText
link, err := p.file.Refer(id)
sb.WriteString(text)
sb.WriteByte('(')
if err != nil {
sb.WriteString(id)
} else {
sb.WriteString(link)
}
sb.WriteByte(')')
case c.Run != nil:
sb.WriteString("run") //TODO: implement
case c.Properties != nil:
sb.WriteString("prop") //TODO: implement
default:
continue
}
}
return sb.String()
}

4
cmd/getstructure/main.go
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@@ -39,13 +39,13 @@ func main() {
fmt.Printf("\tWe've found a new run with the text ->%s\n", child.Run.Text.Text)
}
if child.Run.Drawing != nil {
fmt.Printf("\tWe've found a new run with the drawing ->%s\n", child.Run.Drawing.Inline.DistT) // TODO: replace to refid
fmt.Printf("\tWe've found a new run with the drawing ->%d\n", child.Run.Drawing.Inline.DistT) // TODO: replace to refid
}
}
if child.Link != nil {
id := child.Link.ID
text := child.Link.Run.InstrText
link, err := doc.Refer(id)
link, err := doc.ReferHref(id)
if err != nil {
fmt.Printf("\tWe found a link with id %s and text %s without target\n", id, text)
} else {

17
cmd/main/main.go
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@@ -31,6 +31,17 @@ func main() {
nextPara := w.AddParagraph()
nextPara.AddLink("google", `http://google.com`)
para3 := w.AddParagraph()
// add text
para3.AddText("直接粘贴 inline")
para4 := w.AddParagraph()
para4.AddInlineDrawingFrom("testdata/fumiama.JPG")
para4.AddInlineDrawingFrom("testdata/fumiama2x.webp")
para5 := w.AddParagraph()
para5.AddInlineDrawingFrom("testdata/fumiamayoko.png")
f, err := os.Create(*fileLocation)
if err != nil {
panic(err)
@@ -66,13 +77,13 @@ func main() {
fmt.Printf("\tWe've found a new run with the text ->%s\n", child.Run.Text.Text)
}
if child.Run.Drawing != nil {
fmt.Printf("\tWe've found a new run with the drawing ->%s\n", child.Run.Drawing.Inline.DistT) // TODO: replace to refid
fmt.Printf("\tWe've found a new run with the drawing ->%d\n", child.Run.Drawing.Inline.DistT) // TODO: replace to refid
}
}
if child.Link != nil {
id := child.Link.ID
text := child.Link.Run.InstrText
link, err := doc.Refer(id)
link, err := doc.ReferHref(id)
if err != nil {
fmt.Printf("\tWe found a link with id %s and text %s without target\n", id, text)
} else {
@@ -83,7 +94,7 @@ func main() {
}
fmt.Print("End of paragraph\n\n")
}
f, err = os.Create("tmp.docx")
f, err = os.Create("unmarshal_" + *fileLocation)
if err != nil {
panic(err)
}

18
docxlib.go
View File

@@ -18,7 +18,11 @@ type Docx struct {
Document Document
DocRelation Relationships
rId uintptr
media []Media
mediaNameIdx map[string]int
rId uintptr
imageId uintptr
buf *bytes.Buffer
isbufempty bool
@@ -93,15 +97,3 @@ func (f *Docx) Read(p []byte) (n int, err error) {
f.isbufempty = false
return f.buf.Read(p)
}
// Refer gets the url for a reference
func (f *Docx) Refer(id string) (href string, err error) {
for _, a := range f.DocRelation.Relationships {
if a.ID == id {
href = a.Target
return
}
}
err = ErrRefIDNotFound
return
}

6
empty.go
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@@ -42,8 +42,10 @@ func newEmptyFile() *Docx {
},
},
},
rId: 3,
buf: bytes.NewBuffer(make([]byte, 0, 1024*1024*4)),
media: make([]Media, 0, 64),
mediaNameIdx: make(map[string]int, 64),
rId: 3,
buf: bytes.NewBuffer(make([]byte, 0, 1024*1024*4)),
}
docx.Document.file = docx
return docx

0
files.go → fs.go
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2
go.mod
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@@ -1,3 +1,5 @@
module github.com/fumiama/docxlib
go 1.16
require github.com/fumiama/imgsz v0.0.2

2
go.sum
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@@ -0,0 +1,2 @@
github.com/fumiama/imgsz v0.0.2 h1:fAkC0FnIscdKOXwAxlyw3EUba5NzxZdSxGaq3Uyfxak=
github.com/fumiama/imgsz v0.0.2/go.mod h1:dR71mI3I2O5u6+PCpd47M9TZptzP+39tRBcbdIkoqM4=

7
image.go Normal file
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@@ -0,0 +1,7 @@
package docxlib
// addImage add image to docx and return its rId
func (f *Docx) addImage(m Media) string {
f.addMedia(m)
return f.addImageRelation(m)
}

51
link.go Normal file
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@@ -0,0 +1,51 @@
package docxlib
import (
"strconv"
"sync/atomic"
)
// when adding an hyperlink we need to store a reference in the relationship field
//
// this func is not thread-safe
func (f *Docx) addLinkRelation(link string) string {
rel := &Relationship{
ID: "rId" + strconv.Itoa(int(atomic.AddUintptr(&f.rId, 1))),
Type: REL_HYPERLINK,
Target: link,
TargetMode: REL_TARGETMODE,
}
f.DocRelation.Relationships = append(f.DocRelation.Relationships, rel)
return rel.ID
}
// when adding an image we need to store a reference in the relationship field
//
// this func is not thread-safe
func (f *Docx) addImageRelation(m Media) string {
rel := &Relationship{
ID: "rId" + strconv.Itoa(int(atomic.AddUintptr(&f.rId, 1))),
Type: REL_IMAGE,
Target: "media/" + m.Name,
}
f.DocRelation.Relationships = append(f.DocRelation.Relationships, rel)
return rel.ID
}
// ReferHref gets the url for a reference
func (f *Docx) ReferHref(id string) (href string, err error) {
f.DocRelation.mu.RLock()
defer f.DocRelation.mu.RUnlock()
for _, a := range f.DocRelation.Relationships {
if a.ID == id {
href = a.Target
return
}
}
err = ErrRefIDNotFound
return
}

29
media.go Normal file
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@@ -0,0 +1,29 @@
package docxlib
const MEDIA_FOLDER = `word/media/`
// Media is in word/media
type Media struct {
Name string // Name is for word/media/Name
Data []byte // Data is data of this media
}
// String is the full path of the media
func (m *Media) String() string {
return MEDIA_FOLDER + m.Name
}
// Media get media struct pointer (or nil on notfound) by name
func (f *Docx) Media(name string) *Media {
i, ok := f.mediaNameIdx[name]
if !ok {
return nil
}
return &f.media[i]
}
// addMedia append the media to docx's media list
func (f *Docx) addMedia(m Media) {
f.mediaNameIdx[m.Name] = len(f.media)
f.media = append(f.media, m)
}

7
pack.go
View File

@@ -2,6 +2,7 @@ package docxlib
import (
"archive/zip"
"bytes"
"encoding/xml"
"io"
"os"
@@ -27,9 +28,13 @@ func (f *Docx) pack(zipWriter *zip.Writer) (err error) {
return
}
}
files["word/_rels/document.xml.rels"] = marshaller{data: f.DocRelation}
files["word/_rels/document.xml.rels"] = marshaller{data: &f.DocRelation}
files["word/document.xml"] = marshaller{data: f.Document}
for _, m := range f.media {
files[m.String()] = bytes.NewReader(m.Data)
}
for path, r := range files {
w, err := zipWriter.Create(path)
if err != nil {

5
structdoc.go
View File

@@ -10,6 +10,8 @@ const (
XMLNS_R = `http://schemas.openxmlformats.org/officeDocument/2006/relationships`
XMLNS_WP = `http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing`
XMLNS_WP14 = `http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing`
XMLNS_PICTURE = `http://schemas.openxmlformats.org/drawingml/2006/picture`
)
func getAtt(atts []xml.Attr, name string) string {
@@ -48,6 +50,9 @@ func (doc *Document) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:

63
structdoc_test.go
View File

@@ -2,6 +2,7 @@ package docxlib
import (
"encoding/xml"
"hash/crc64"
"io"
"os"
"testing"
@@ -113,7 +114,7 @@ const drawing_doc = `<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<w:noProof/>
</w:rPr>
<w:drawing>
<wp:inline distT="T-mock-inline-p1-c0" distB="B-mock-inline-p1-c0" distL="L-mock-inline-p1-c0" distR="R-mock-inline-p1-c0" wp14:anchorId="mock-anchor-p1-c0" wp14:editId="mock-edit-p1-c0">
<wp:inline distT="0" distB="0" distL="0" distR="0" wp14:anchorId="mock-anchor-p1-c0" wp14:editId="mock-edit-p1-c0">
<wp:extent cx="5274310" cy="3369310"/>
<wp:effectExtent l="0" t="0" r="0" b="0"/>
<wp:docPr id="1" name="图片 1"/>
@@ -177,7 +178,7 @@ const drawing_doc = `<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<w:noProof/>
</w:rPr>
<w:drawing>
<wp:inline distT="T-mock-inline-p3-c0" distB="B-mock-inline-p3-c0" distL="L-mock-inline-p3-c0" distR="R-mock-inline-p3-c0" wp14:anchorId="mock-anchor-p3-c0" wp14:editId="mock-edit-p3-c0">
<wp:inline distT="0" distB="0" distL="0" distR="0" wp14:anchorId="mock-anchor-p3-c0" wp14:editId="mock-edit-p3-c0">
<wp:extent cx="2339163" cy="1494293"/>
<wp:effectExtent l="0" t="0" r="0" b="4445"/>
<wp:docPr id="2" name="图片 2"/>
@@ -223,7 +224,7 @@ const drawing_doc = `<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<w:noProof/>
</w:rPr>
<w:drawing>
<wp:inline distT="T-mock-inline-p3-c1" distB="B-mock-inline-p3-c1" distL="L-mock-inline-p3-c1" distR="R-mock-inline-p3-c1" wp14:anchorId="mock-anchor-p3-c1" wp14:editId="mock-edit-p3-c1">
<wp:inline distT="0" distB="0" distL="0" distR="0" wp14:anchorId="mock-anchor-p3-c1" wp14:editId="mock-edit-p3-c1">
<wp:extent cx="2339163" cy="1494293"/>
<wp:effectExtent l="0" t="0" r="0" b="4445"/>
<wp:docPr id="4" name="图片 4"/>
@@ -290,7 +291,7 @@ const drawing_doc = `<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<mc:AlternateContent>
<mc:Choice Requires="wpg">
<w:drawing>
<wp:inline distT="T-mock-inline-p5-c0" distB="B-mock-inline-p5-c0" distL="L-mock-inline-p5-c0" distR="R-mock-inline-p5-c0" wp14:anchorId="mock-anchor-p5-c0" wp14:editId="mock-edit-p5-c0">
<wp:inline distT="0" distB="0" distL="0" distR="0" wp14:anchorId="mock-anchor-p5-c0" wp14:editId="mock-edit-p5-c0">
<wp:extent cx="4677868" cy="1494155"/>
<wp:effectExtent l="0" t="0" r="0" b="4445"/>
<wp:docPr id="7" name="组合 7"/>
@@ -545,21 +546,8 @@ func TestUnmarshalDrawingStructure(t *testing.T) {
if child.Run != nil && child.Run.Drawing != nil {
t.Log("fild drawing at aragraph", i, ", child", j)
if child.Run.Drawing.Inline != nil {
tail := "-mock-inline-p" + string(rune('0'+i)) + "-c" + string(rune('0'+j))
anchor := "mock-anchor-p" + string(rune('0'+i)) + "-c" + string(rune('0'+j))
edit := "mock-edit-p" + string(rune('0'+i)) + "-c" + string(rune('0'+j))
if "T"+tail != child.Run.Drawing.Inline.DistT {
t.Fatal("expect", "T"+tail, "but got", child.Run.Drawing.Inline.DistT)
}
if "B"+tail != child.Run.Drawing.Inline.DistB {
t.Fatal("expect", "B"+tail, "but got", child.Run.Drawing.Inline.DistB)
}
if "L"+tail != child.Run.Drawing.Inline.DistL {
t.Fatal("expect", "L"+tail, "but got", child.Run.Drawing.Inline.DistL)
}
if "R"+tail != child.Run.Drawing.Inline.DistR {
t.Fatal("expect", "R"+tail, "but got", child.Run.Drawing.Inline.DistR)
}
if anchor != child.Run.Drawing.Inline.AnchorID {
t.Fatal("expect", anchor, "but got", child.Run.Drawing.Inline.AnchorID)
}
@@ -577,7 +565,6 @@ func TestUnmarshalDrawingStructure(t *testing.T) {
}
}
}
t.Fail()
}
func TestMarshalDrawingStructure(t *testing.T) {
@@ -588,14 +575,13 @@ func TestMarshalDrawingStructure(t *testing.T) {
para1.AddText("直接粘贴 inline")
para2 := w.AddParagraph()
para2.AddText("test font size and color").Size("44").Color("ff0000")
para2.AddText("test font size and color").Size("44").Color("ff0000")
para2.AddText("test font size and color").Size("44").Color("ff0000")
para2.AddInlineDrawingFrom("testdata/fumiama.JPG")
para2.AddInlineDrawingFrom("testdata/fumiama2x.webp")
nextPara := w.AddParagraph()
nextPara.AddLink("google", `http://google.com`)
para3 := w.AddParagraph()
para3.AddInlineDrawingFrom("testdata/fumiamayoko.png")
f, err := os.Create("test.xml")
f, err := os.Create("TestMarshalDrawingStructure_Marshal.xml")
if err != nil {
t.Fatal(err)
}
@@ -613,7 +599,7 @@ func TestMarshalDrawingStructure(t *testing.T) {
if err != nil {
t.Fatal(err)
}
f1, err := os.Create("test1.xml")
f1, err := os.Create("TestMarshalDrawingStructure_Unmarshal.xml")
if err != nil {
t.Fatal(err)
}
@@ -622,5 +608,30 @@ func TestMarshalDrawingStructure(t *testing.T) {
if err != nil {
t.Fatal(err)
}
t.Fail()
_, err = f.Seek(0, io.SeekStart)
if err != nil {
t.Fatal(err)
}
_, err = f1.Seek(0, io.SeekStart)
if err != nil {
t.Fatal(err)
}
h := crc64.New(crc64.MakeTable(crc64.ECMA))
_, err = io.Copy(h, f)
if err != nil {
t.Fatal(err)
}
md51 := h.Sum64()
h.Reset()
_, err = io.Copy(h, f1)
if err != nil {
t.Fatal(err)
}
md52 := h.Sum64()
if md51 != md52 {
t.Fail()
} /* else {
_ = os.Remove("TestMarshalDrawingStructure_Marshal.xml")
_ = os.Remove("TestMarshalDrawingStructure_Unmarshal.xml")
}*/
}

327
structdrawing.go
View File

@@ -3,6 +3,12 @@ package docxlib
import (
"encoding/xml"
"io"
"strconv"
)
const (
// A4_EMU_MAX_WIDTH is the max display width of an A4 paper
A4_EMU_MAX_WIDTH = 5274310
)
// Drawing element contains photos
@@ -17,16 +23,31 @@ func (r *Drawing) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
switch tt.Name.Local {
case "inline":
r.Inline = new(WPInline)
r.Inline.DistT = getAtt(tt.Attr, "distT")
r.Inline.DistB = getAtt(tt.Attr, "distB")
r.Inline.DistL = getAtt(tt.Attr, "distL")
r.Inline.DistR = getAtt(tt.Attr, "distR")
r.Inline.DistT, err = strconv.Atoi(getAtt(tt.Attr, "distT"))
if err != nil {
return err
}
r.Inline.DistB, err = strconv.Atoi(getAtt(tt.Attr, "distB"))
if err != nil {
return err
}
r.Inline.DistL, err = strconv.Atoi(getAtt(tt.Attr, "distL"))
if err != nil {
return err
}
r.Inline.DistR, err = strconv.Atoi(getAtt(tt.Attr, "distR"))
if err != nil {
return err
}
r.Inline.AnchorID = getAtt(tt.Attr, "anchorId")
r.Inline.EditID = getAtt(tt.Attr, "editId")
d.DecodeElement(r.Inline, &start)
@@ -43,17 +64,18 @@ func (r *Drawing) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
// WPInline wp:inline
type WPInline struct {
XMLName xml.Name `xml:"wp:inline,omitempty"`
DistT string `xml:"distT,attr"`
DistB string `xml:"distB,attr"`
DistL string `xml:"distL,attr"`
DistR string `xml:"distR,attr"`
AnchorID string `xml:"wp14:anchorId,attr"`
EditID string `xml:"wp14:editId,attr"`
DistT int `xml:"distT,attr"`
DistB int `xml:"distB,attr"`
DistL int `xml:"distL,attr"`
DistR int `xml:"distR,attr"`
AnchorID string `xml:"wp14:anchorId,attr,omitempty"`
EditID string `xml:"wp14:editId,attr,omitempty"`
Extent *WPExtent
EffectExtent *WPEffectExtent
DocPr *WPDocPr
Graphic *AGraphic
Extent *WPExtent
EffectExtent *WPEffectExtent
DocPr *WPDocPr
CNvGraphicFramePr *WPCNvGraphicFramePr
Graphic *AGraphic
}
func (r *WPInline) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
@@ -62,26 +84,51 @@ func (r *WPInline) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
switch tt.Name.Local {
case "extent":
r.Extent = new(WPExtent)
r.Extent.CX = getAtt(tt.Attr, "cx")
r.Extent.CY = getAtt(tt.Attr, "cy")
r.Extent.CX, err = strconv.Atoi(getAtt(tt.Attr, "cx"))
if err != nil {
return err
}
r.Extent.CY, err = strconv.Atoi(getAtt(tt.Attr, "cy"))
if err != nil {
return err
}
case "effectExtent":
r.EffectExtent = new(WPEffectExtent)
r.EffectExtent.L = getAtt(tt.Attr, "l")
r.EffectExtent.T = getAtt(tt.Attr, "t")
r.EffectExtent.R = getAtt(tt.Attr, "r")
r.EffectExtent.B = getAtt(tt.Attr, "b")
r.EffectExtent.L, err = strconv.Atoi(getAtt(tt.Attr, "l"))
if err != nil {
return err
}
r.EffectExtent.T, err = strconv.Atoi(getAtt(tt.Attr, "t"))
if err != nil {
return err
}
r.EffectExtent.R, err = strconv.Atoi(getAtt(tt.Attr, "r"))
if err != nil {
return err
}
r.EffectExtent.B, err = strconv.Atoi(getAtt(tt.Attr, "b"))
if err != nil {
return err
}
case "docPr":
r.DocPr = new(WPDocPr)
r.DocPr.ID = getAtt(tt.Attr, "id")
r.DocPr.Name = getAtt(tt.Attr, "name")
r.DocPr.Macro = getAtt(tt.Attr, "macro")
r.DocPr.Hidden = getAtt(tt.Attr, "hidden")
case "cNvGraphicFramePr":
var value WPCNvGraphicFramePr
d.DecodeElement(&value, &start)
r.CNvGraphicFramePr = &value
case "graphic":
var value AGraphic
d.DecodeElement(&value, &start)
@@ -97,19 +144,21 @@ func (r *WPInline) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
}
// WPExtent represents the extent of a drawing in a Word document.
//
// CX CY 's unit is English Metric Units, which is 1/914400 inch
type WPExtent struct {
XMLName xml.Name `xml:"wp:extent,omitempty"`
CX string `xml:"cx,attr"`
CY string `xml:"cy,attr"`
CX int `xml:"cx,attr"`
CY int `xml:"cy,attr"`
}
// WPEffectExtent represents the effect extent of a drawing in a Word document.
type WPEffectExtent struct {
XMLName xml.Name `xml:"wp:effectExtent,omitempty"`
L string `xml:"l,attr"`
T string `xml:"t,attr"`
R string `xml:"r,attr"`
B string `xml:"b,attr"`
L int `xml:"l,attr"`
T int `xml:"t,attr"`
R int `xml:"r,attr"`
B int `xml:"b,attr"`
}
// WPDocPr represents the document properties of a drawing in a Word document.
@@ -121,6 +170,48 @@ type WPDocPr struct {
Hidden string `xml:"hidden,attr,omitempty"`
}
// WPCNvGraphicFramePr represents the non-visual properties of a graphic frame.
type WPCNvGraphicFramePr struct {
XMLName xml.Name `xml:"wp:cNvGraphicFramePr,omitempty"`
Locks *AGraphicFrameLocks
}
func (w *WPCNvGraphicFramePr) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
for {
t, err := d.Token()
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
switch tt.Name.Local {
case "graphicFrameLocks":
var value AGraphicFrameLocks
d.DecodeElement(&value, &start)
value.NoChangeAspect, err = strconv.Atoi(getAtt(tt.Attr, "noChangeAspect"))
if err != nil {
return err
}
w.Locks = &value
default:
continue
}
}
}
return nil
}
// AGraphicFrameLocks represents the locks applied to a graphic frame.
type AGraphicFrameLocks struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main graphicFrameLocks,omitempty"`
NoChangeAspect int `xml:"noChangeAspect,attr"`
}
// AGraphic represents a graphic in a Word document.
type AGraphic struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main graphic,omitempty"`
@@ -133,6 +224,9 @@ func (a *AGraphic) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
@@ -164,6 +258,9 @@ func (a *AGraphicData) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
@@ -186,7 +283,7 @@ type PICPic struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/picture pic,omitempty"`
NonVisualPicProperties *PICNonVisualPicProperties
BlipFill *PICBlipFill
// <pic:spPr> is unecessary
SpPr *PICSpPr
}
func (p *PICPic) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
@@ -195,6 +292,9 @@ func (p *PICPic) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
@@ -207,6 +307,10 @@ func (p *PICPic) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
var value PICBlipFill
d.DecodeElement(&value, &start)
p.BlipFill = &value
case "spPr":
var value PICSpPr
d.DecodeElement(&value, &start)
p.SpPr = &value
default:
continue
}
@@ -228,6 +332,9 @@ func (p *PICNonVisualPicProperties) UnmarshalXML(d *xml.Decoder, start xml.Start
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
@@ -253,6 +360,7 @@ type PICNonVisualDrawingProperties struct {
type PICBlipFill struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/picture blipFill,omitempty"`
Blip ABlip
Stretch AStretch
}
func (p *PICBlipFill) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
@@ -261,12 +369,18 @@ func (p *PICBlipFill) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
switch tt.Name.Local {
case "blip":
p.Blip.Embed = getAtt(tt.Attr, "embed")
p.Blip.Cstate = getAtt(tt.Attr, "cstate")
case "stretch":
d.DecodeElement(&p.Stretch, &start)
default:
continue
}
@@ -280,4 +394,163 @@ func (p *PICBlipFill) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error
type ABlip struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main blip,omitempty"`
Embed string `xml:"r:embed,attr"`
Cstate string `xml:"cstate,attr"`
}
// AStretch ...
type AStretch struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main stretch,omitempty"`
FillRect AFillRect
}
// AFillRect ...
type AFillRect struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main fillRect,omitempty"`
}
// PICSpPr is a struct representing the <pic:spPr> element in OpenXML,
// which describes the shape properties for a picture.
type PICSpPr struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/picture spPr,omitempty"`
Xfrm AXfrm
PrstGeom APrstGeom
}
func (p *PICSpPr) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
for {
t, err := d.Token()
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
switch tt.Name.Local {
case "xfrm":
d.DecodeElement(&p.Xfrm, &start)
case "prstGeom":
d.DecodeElement(&p.PrstGeom, &start)
p.PrstGeom.Prst = getAtt(tt.Attr, "prst")
default:
continue
}
}
}
return nil
}
// AXfrm is a struct representing the <a:xfrm> element in OpenXML,
// which describes the position and size of a shape.
type AXfrm struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main xfrm,omitempty"`
Off AOff
Ext AExt
}
func (a *AXfrm) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
for {
t, err := d.Token()
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
switch tt.Name.Local {
case "off":
a.Off.X, err = strconv.Atoi(getAtt(tt.Attr, "x"))
if err != nil {
return err
}
a.Off.Y, err = strconv.Atoi(getAtt(tt.Attr, "y"))
if err != nil {
return err
}
case "ext":
a.Ext.CX, err = strconv.Atoi(getAtt(tt.Attr, "cx"))
if err != nil {
return err
}
a.Ext.CY, err = strconv.Atoi(getAtt(tt.Attr, "cy"))
if err != nil {
return err
}
default:
continue
}
}
}
return nil
}
// AOff is a struct representing the <a:off> element in OpenXML,
// which describes the offset of a shape from its original position.
type AOff struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main off,omitempty"`
X int `xml:"x,attr"`
Y int `xml:"y,attr"`
}
// AExt is a struct representing the <a:ext> element in OpenXML,
// which describes the size of a shape.
type AExt struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main ext,omitempty"`
CX int `xml:"cx,attr"`
CY int `xml:"cy,attr"`
}
// APrstGeom is a struct representing the <a:prstGeom> element in OpenXML,
// which describes the preset shape geometry for a shape.
type APrstGeom struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main prstGeom,omitempty"`
Prst string `xml:"prst,attr"`
AvLst AAvLst
}
// AAvLst is a struct representing the <a:avLst> element in OpenXML,
// which describes the adjustments to the shape's preset geometry.
type AAvLst struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/drawingml/2006/main avLst,omitempty"`
RawXML string `xml:",innerxml"`
}
func (a *AAvLst) UnmarshalXML(d *xml.Decoder, start xml.StartElement) (err error) {
var content []byte
if content, err = xml.Marshal(start); err != nil {
return err
}
for {
t, err := d.Token()
if err == io.EOF {
break
}
if err != nil {
return err
}
if end, ok := t.(xml.EndElement); ok && end == start.End() {
break
}
b, err := xml.Marshal(t)
if err != nil {
return err
}
content = append(content, b...)
}
a.RawXML = BytesToString(content)
return nil
}

3
structlink.go
View File

@@ -18,6 +18,9 @@ func (r *Hyperlink) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:

31
structpara.go
View File

@@ -3,6 +3,7 @@ package docxlib
import (
"encoding/xml"
"io"
"strings"
)
type ParagraphChild struct {
@@ -18,6 +19,33 @@ type Paragraph struct {
file *Docx
}
func (p *Paragraph) String() string {
sb := strings.Builder{}
for _, c := range p.Children {
switch {
case c.Link != nil:
id := c.Link.ID
text := c.Link.Run.InstrText
link, err := p.file.ReferHref(id)
sb.WriteString(text)
sb.WriteByte('(')
if err != nil {
sb.WriteString(id)
} else {
sb.WriteString(link)
}
sb.WriteByte(')')
case c.Run != nil:
sb.WriteString("run") //TODO: implement
case c.Properties != nil:
sb.WriteString("prop") //TODO: implement
default:
continue
}
}
return sb.String()
}
func (p *Paragraph) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
err := e.EncodeToken(start)
if err != nil {
@@ -48,6 +76,9 @@ func (p *Paragraph) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
var elem ParagraphChild

7
structrel.go
View File

@@ -1,15 +1,20 @@
package docxlib
import "encoding/xml"
import (
"encoding/xml"
"sync"
)
const (
XMLNS_REL = `http://schemas.openxmlformats.org/package/2006/relationships`
REL_HYPERLINK = `http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink`
REL_IMAGE = `http://schemas.openxmlformats.org/officeDocument/2006/relationships/image`
REL_TARGETMODE = "External"
)
type Relationships struct {
mu sync.RWMutex
XMLName xml.Name `xml:"Relationships"`
Xmlns string `xml:"xmlns,attr"`
Relationships []*Relationship `xml:"Relationship"`

6
structrun.go
View File

@@ -21,6 +21,9 @@ func (r *Run) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:
@@ -67,6 +70,9 @@ func (r *RunProperties) UnmarshalXML(d *xml.Decoder, start xml.StartElement) err
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.StartElement:

5
structtext.go
View File

@@ -7,7 +7,7 @@ import (
// Text object contains the actual text
type Text struct {
XMLName xml.Name `xml:"w:t"`
XMLName xml.Name `xml:"w:t,omitempty"`
XMLSpace string `xml:"xml:space,attr,omitempty"`
Text string `xml:",chardata"`
}
@@ -18,6 +18,9 @@ func (r *Text) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
if err == io.EOF {
break
}
if err != nil {
return err
}
switch tt := t.(type) {
case xml.CharData:

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testdata/fumiama.JPG vendored Normal file
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testdata/fumiama2x.webp vendored Normal file
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testdata/fumiamayoko.png vendored Normal file
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27
unpack.go
View File

@@ -4,6 +4,8 @@ import (
"archive/zip"
"bytes"
"encoding/xml"
"io"
"strings"
)
// unpack receives a zip file (word documents are a zip with multiple xml inside)
@@ -13,6 +15,7 @@ import (
// 2. Relationships
func unpack(zipReader *zip.Reader) (docx *Docx, err error) {
docx = new(Docx)
docx.mediaNameIdx = make(map[string]int, 64)
for _, f := range zipReader.File {
if f.Name == "word/_rels/document.xml.rels" {
err = docx.parseDocRelation(f)
@@ -26,6 +29,10 @@ func unpack(zipReader *zip.Reader) (docx *Docx, err error) {
return
}
}
err = docx.checkAndParseMedia(f)
if err != nil {
return
}
}
docx.buf = bytes.NewBuffer(make([]byte, 0, 1024*1024*4))
return
@@ -61,6 +68,24 @@ func (f *Docx) parseDocRelation(file *zip.File) error {
defer zf.Close()
f.DocRelation.Xmlns = XMLNS_R
//TODO: find last rId
//TODO: find last rId & imageId
return xml.NewDecoder(zf).Decode(&f.DocRelation)
}
func (f *Docx) checkAndParseMedia(file *zip.File) error {
if !strings.HasPrefix(file.Name, MEDIA_FOLDER) {
return nil
}
name := file.Name[len(MEDIA_FOLDER):]
zf, err := file.Open()
if err != nil {
return err
}
data, err := io.ReadAll(zf)
if err != nil {
return err
}
f.mediaNameIdx[name] = len(f.media)
f.media = append(f.media, Media{Name: name, Data: data})
return zf.Close()
}