// Write the File to io.Writer as xlsx
func (f *File) Write(writer io.Writer) (err error) {
var parts map[string]string
var zipWriter *zip.Writer
parts, err = f.MarshallParts()
if err != nil {
return
}
zipWriter = zip.NewWriter(writer)
for partName, part := range parts {
var writer io.Writer
writer, err = zipWriter.Create(partName)
if err != nil {
return
}
_, err = writer.Write([]byte(part))
if err != nil {
return
}
}
err = zipWriter.Close()
return
}
func AddMimetype(zippy *zip.Writer) {
mimetype, err := zippy.Create("mimetype")
if err != nil {
log.Fatal(err)
}
WriteToFile(mimetype, "application/epub+zip")
}
func addtozip(z *zip.Writer, name string, f *os.File) {
if fi, _ := f.Stat(); fi.IsDir() {
log.Println("Adding folder", name)
names, _ := f.Readdirnames(-1)
for _, subname := range names {
file, err := os.Open(filepath.Join(f.Name(), subname))
if err != nil {
log.Println(err)
continue
}
addtozip(z, filepath.Join(name, subname), file)
file.Close()
}
} else {
log.Println("Adding file", name)
fw, err := z.Create(name)
if err != nil {
panic(err)
}
_, err = io.Copy(fw, f)
if err != nil {
panic(err)
}
}
}
// Save the File to an xlsx file at the provided path.
func (f *File) Save(path string) (err error) {
var parts map[string]string
var target *os.File
var zipWriter *zip.Writer
parts, err = f.MarshallParts()
if err != nil {
return
}
target, err = os.Create(path)
if err != nil {
return
}
zipWriter = zip.NewWriter(target)
for partName, part := range parts {
var writer io.Writer
writer, err = zipWriter.Create(partName)
if err != nil {
return
}
_, err = writer.Write([]byte(part))
if err != nil {
return
}
}
err = zipWriter.Close()
if err != nil {
return
}
return target.Close()
}
// addIndexToZip generates an index.html file for the given Overlay and adds
// it to the provided zip file.
func addIndexToZip(c appengine.Context, z *zip.Writer, oKey *datastore.Key, o *Overlay) error {
w, err := z.Create(fmt.Sprintf("%s/index.html", oKey.Encode()))
if err != nil {
return err
}
return zipTemplate.Execute(w, o)
}
// Copy any files from the includes directory
func copyIncludes(zw *zip.Writer, includes string) error {
includes = path.Clean(includes)
if !strings.HasSuffix(includes, "/") {
includes += "/"
}
return filepath.Walk(includes, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
path = filepath.ToSlash(path)
if w, err := zw.Create(strings.TrimPrefix(path, includes)); err != nil {
return err
} else {
b, err := ioutil.ReadFile(path)
if err != nil {
return err
} else {
_, err := w.Write(b)
if err != nil {
return err
}
}
}
return nil
})
}
func AddContainer(zippy *zip.Writer) {
container, err := zippy.Create(path.Join("META-INF", "container.xml"))
if err != nil {
log.Fatal(err)
}
WriteToFile(container, "<?xml version=\"1.0\"?><container version=\"1.0\" xmlns=\"urn:oasis:names:tc:opendocument:xmlns:container\"><rootfiles><rootfile full-path=\"OEBPS/content.opf\" media-type=\"application/oebps-package+xml\"/></rootfiles></container>")
}
// Deal with files
func zipFile(srcFile string, recPath string, tw *zip.Writer, fi os.FileInfo) {
if fi.IsDir() {
// fmt.Println("??")
// Create tar header
/*
fh, err := zip.FileInfoHeader(fi)
if err != nil {
panic(err)
}
fh.Name = recPath // + "/"
err = tw.WriteHeader(hdr)
tw.Create(recPath)
*/
} else {
// File reader
fr, err := os.Open(srcFile)
if err != nil {
panic(err)
}
defer fr.Close()
// Write hander
w, err2 := tw.Create(recPath)
if err2 != nil {
panic(err)
}
// Write file data
_, err = io.Copy(w, fr)
if err != nil {
panic(err)
}
}
}
func array2XlsxWriteSharedStrings(zw *zip.Writer, data [][]string) (err error) {
siList := []xlsxSharedStringSi{{""}}
for _, row := range data {
for _, v1 := range row {
if v1 == "" { //ignore blank cell can save space
continue
}
siList = append(siList, xlsxSharedStringSi{v1})
}
}
sst := xlsxSharedStringSst{
Xmlns: xmlNs,
Count: len(siList),
SiList: siList,
}
thisW, err := zw.Create(sharedStringsFileName)
_, err = thisW.Write([]byte(xml.Header))
if err != nil {
return
}
encoder := xml.NewEncoder(thisW)
err = encoder.Encode(sst)
if err != nil {
return
}
return
}
func AddTitle(book_title string, book_author string, zippy *zip.Writer) {
title, err := zippy.Create(path.Join("OEBPS", "title.xhtml"))
if err != nil {
log.Fatal(err)
}
WriteToFile(title, fmt.Sprintf("<html>\n\t<head>\n\t\t<title>%s</title>\n\t</head>\n\t<body>\n\t\t<center><h1>%s</h1>\n\t\t<h2>by %s</h2></center>\n\t</body>\n</html>", book_title, book_title, book_author))
}
func addZipFileMust(w *zip.Writer, path string) {
d, err := ioutil.ReadFile(path)
fataliferr(err)
f, err := w.Create(filepath.Base(path))
fataliferr(err)
_, err = f.Write(d)
fataliferr(err)
// no need to close f. It's implicitly closed by the next Create() or Close() call
}
func copyFile(outzip *zip.Writer, name string, in *zip.File) {
w, err := outzip.Create(name)
must(err)
r, err := in.Open()
must(err)
defer r.Close()
_, err = io.Copy(w, r)
must(err)
}
func walk(base, startPath string, zipWriter *zip.Writer) error {
return filepath.Walk(startPath, func(path string, stat os.FileInfo, err error) error {
if err != nil {
return err
}
if stat.IsDir() {
return nil
}
relativePath, err := filepath.Rel(startPath, path)
if err != nil {
return err
}
filePath := path
if stat.Mode()&os.ModeSymlink != 0 {
filePath, err = filepath.EvalSymlinks(path)
if err != nil {
return err
}
stat, err = os.Stat(filePath)
if err != nil {
return err
}
if stat.IsDir() {
if err != nil {
return err
}
return walk(Path.Join(base, ".", relativePath), filePath, zipWriter)
}
}
name := Path.Join(base, filepath.ToSlash(relativePath))
dbg("+", filePath, "=>", name)
file, err := os.Open(filePath)
if err != nil {
return err
}
defer file.Close()
writer, err := zipWriter.Create(name)
if err != nil {
return err
}
_, err = io.Copy(writer, file)
if err != nil {
return err
}
return nil
})
}
func (w *Writer) writeFile(z *zip.Writer, s string, b []byte) error {
f, err := z.Create(s)
if err != nil {
return err
}
_, err = f.Write(b)
return err
}
func pack(z *zip.Writer, result *CheckResult) (err error) {
var (
f io.Writer
fnPattern = "%s.txt"
)
if f, err = z.Create(fmt.Sprintf(fnPattern, result.Date)); err != nil {
return
}
f.Write(result.Data)
return
}
func AddChapters(chapters []Chapter, zippy *zip.Writer) {
chapter_fmt := "<html>\n\t<head>\n\t\t<title>%s</title>\n\t</head>\n\t<body>\n\t\t<center><h1>%s</h1></center>\n\t\t%s\n\t</body>\n</html>"
for chapter := range chapters {
chapter_filename := fmt.Sprintf("chapter%d.xhtml", chapter+1)
chapter_file, err := zippy.Create(path.Join("OEBPS", chapter_filename))
if err != nil {
log.Fatal(err)
}
WriteToFile(chapter_file, fmt.Sprintf(chapter_fmt, chapters[chapter].Title, chapters[chapter].Title, chapters[chapter].Text))
}
}
func appendToArchive(archive *zip.Writer, download URLDownload) error {
if download.err != nil {
return download.err
}
fileName := fileNameFromURL(download.url)
w, err := archive.Create(fileName)
if err != nil {
return err
}
_, err = io.Copy(w, download.body)
defer download.body.Close()
return nil
}
func writeNodeJSShim(serviceName string,
executableOutput string,
lambdaAWSInfos []*LambdaAWSInfo,
zipWriter *zip.Writer,
logger *logrus.Logger) error {
// Add the string literal adapter, which requires us to add exported
// functions to the end of index.js. These NodeJS exports will be
// linked to the AWS Lambda NodeJS function name, and are basically
// automatically generated pass through proxies to the golang HTTP handler.
nodeJSWriter, err := zipWriter.Create("index.js")
if err != nil {
return errors.New("Failed to create ZIP entry: index.js")
}
nodeJSSource := _escFSMustString(false, "/resources/index.js")
nodeJSSource += "\n// DO NOT EDIT - CONTENT UNTIL EOF IS AUTOMATICALLY GENERATED\n"
handlerNames := make(map[string]bool, 0)
for _, eachLambda := range lambdaAWSInfos {
if _, exists := handlerNames[eachLambda.jsHandlerName()]; !exists {
nodeJSSource += createNewNodeJSProxyEntry(eachLambda, logger)
handlerNames[eachLambda.jsHandlerName()] = true
}
// USER DEFINED RESOURCES
for _, eachCustomResource := range eachLambda.customResources {
if _, exists := handlerNames[eachCustomResource.jsHandlerName()]; !exists {
nodeJSSource += createUserCustomResourceEntry(eachCustomResource, logger)
handlerNames[eachCustomResource.jsHandlerName()] = true
}
}
}
// SPARTA CUSTOM RESOURCES
for _, eachCustomResourceName := range golangCustomResourceTypes {
nodeJSSource += createNewSpartaCustomResourceEntry(eachCustomResourceName, logger)
}
// Finally, replace
// SPARTA_BINARY_NAME = 'Sparta.lambda.amd64';
// with the service binary name
nodeJSSource += fmt.Sprintf("SPARTA_BINARY_NAME='%s';\n", executableOutput)
// And the service name
nodeJSSource += fmt.Sprintf("SPARTA_SERVICE_NAME='%s';\n", serviceName)
logger.WithFields(logrus.Fields{
"index.js": nodeJSSource,
}).Debug("Dynamically generated NodeJS adapter")
stringReader := strings.NewReader(nodeJSSource)
_, copyErr := io.Copy(nodeJSWriter, stringReader)
return copyErr
}
func AddTOC(title string, book_str string, chapters []Chapter, zippy *zip.Writer) {
toc, err := zippy.Create(path.Join("OEBPS", "toc.ncx"))
if err != nil {
log.Fatal(err)
}
WriteToFile(toc, fmt.Sprintf("<?xml version=\"1.0\" encoding=\"UTF-8\"?><ncx xmlns=\"http://www.daisy.org/z3986/2005/ncx/\" version=\"2005-1\"><head><meta name=\"dtb:uid\" content=\"%s\"/><meta name=\"dtb:depth\" content=\"1\"/><meta name=\"dtb:totalPageCount\" content=\"0\"/><meta name=\"dtb:maxPageNumber\" content=\"0\"/></head><docTitle><text>%s</text></docTitle><navMap><navPoint id=\"title\" playOrder=\"1\"><navLabel><text>Title Page</text></navLabel><content src=\"title.xhtml\"/></navPoint>", book_str, title))
for chapter := range chapters {
WriteToFile(toc, fmt.Sprintf("<navPoint id=\"chapter%d\" playOrder=\"%d\"><navLabel><text>%s</text></navLabel><content src=\"chapter%d.xhtml\"/></navPoint>", chapter, chapter+2, chapters[chapter].Title, chapter))
}
WriteToFile(toc, "</navMap></ncx>")
}
// CreateNW creates a node-webkit .nw file
func (p Package) CreateNW(zw *zip.Writer, templates Templates, myapp io.Reader, includes string) error {
// Add in a couple of package defaults
p.Main = "index.html"
p.EnvVar = nw.EnvVar
if w, err := zw.Create("package.json"); err != nil {
return err
} else {
if _, err := p.writeJsonTo(w); err != nil {
return err
}
}
filenameTemplates := map[string]string{
"index.html": templates.IndexHtml,
"client.js": templates.ClientJs,
"script.js": templates.ScriptJs}
for filename, str := range filenameTemplates {
if w, err := zw.Create(filename); err != nil {
return err
} else {
if t, err := template.New(filename).Parse(str); err != nil {
return err
} else {
if err := t.Execute(w, p); err != nil {
return err
}
}
}
}
if includes != "" {
if err := copyIncludes(zw, includes); err != nil {
return err
}
}
binHeader := zip.FileHeader{Name: p.Bin}
binHeader.SetMode(0755) // Make it executable
if w, err := zw.CreateHeader(&binHeader); err != nil {
return err
} else {
if _, err := io.Copy(w, myapp); err != nil {
return err
}
}
return nil
}
func writeLines_To_ZipFile(lines []string, writer *zip.Writer, fileName string) {
//Create a file in the zip file
f, err := writer.Create(fileName)
if err != nil {
log.Fatal(err)
}
for _, line := range lines {
_, err = f.Write([]byte(line + "\n"))
if err != nil {
log.Fatal(err)
}
}
}
func AddHeader(title string, author string, url string, chapters []Chapter, zippy *zip.Writer) {
content, err := zippy.Create(path.Join("OEBPS", "content.opf"))
if err != nil {
log.Fatal(err)
}
WriteToFile(content, "<?xml version=\"1.0\"?><package version=\"2.0\" xmlns=\"http://www.idpf.org/2007/opf\" unique-identifier=\"BookId\"><metadata xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:opf=\"http://www.idpf.org/2007/opf\"><dc:title>")
WriteToFile(content, title)
WriteToFile(content, "</dc:title><dc:creator opf:role=\"aut\">")
WriteToFile(content, author)
WriteToFile(content, "</dc:creator><dc:language>en-US</dc:language><dc:identifier id=\"BookId\">urn:uuid:")
WriteToFile(content, url)
WriteToFile(content, "</dc:identifier></metadata>")
AddContentHeader(content, chapters)
}
func archiveHook(context map[string]interface{},
serviceName string,
zipWriter *zip.Writer,
awsSession *session.Session,
noop bool,
logger *logrus.Logger) error {
logger.Info("Adding userResource")
resourceFileName := "userResource.json"
binaryWriter, binaryWriterErr := zipWriter.Create(resourceFileName)
if nil != binaryWriterErr {
return binaryWriterErr
}
userdataReader := strings.NewReader(userdataResourceContents)
_, copyErr := io.Copy(binaryWriter, userdataReader)
return copyErr
}
func (a *Archiver) addFile(filename string, zw *zip.Writer) error {
file, err := os.Open(filename)
if err != nil {
return fmt.Errorf("failed opening %s: %s", filename, err)
}
defer file.Close()
wr, err := zw.Create(filepath.Base(filename))
if err != nil {
return fmt.Errorf("failed creating entry for %s in zip file: %s", filename, err)
}
if _, err := io.Copy(wr, file); err != nil {
return fmt.Errorf("failed writing %s to zip: %s", filename, err)
}
return nil
}
func array2XlsxWriteSheet1(zw *zip.Writer, data [][]string) (err error) {
rowList := make([]xlsxRow, len(data))
totalIndex := 1
MaxCellIndex := 0
for rowIndex, row := range data {
rowList[rowIndex].C = make([]xlsxC, len(row))
if len(row) > MaxCellIndex {
MaxCellIndex = len(row) - 1
}
for cellIndex, v1 := range row {
index := totalIndex
if v1 == "" { //ignore blank cell can save space
index = 0
} else {
totalIndex++
}
rowList[rowIndex].C[cellIndex] = xlsxC{
R: CoordinateXy2Excel(cellIndex, rowIndex),
T: "s",
V: index,
}
}
}
sheetData := xlsxSheetData{
Row: rowList,
}
thisW, err := zw.Create(sheel1FileName)
xmlBytes, err := xml.Marshal(sheetData)
if err != nil {
return
}
err = sheelTpl.Execute(thisW, struct {
MaxPosition string
SheetData string
}{
MaxPosition: CoordinateXy2Excel(MaxCellIndex, len(data)-1),
SheetData: string(xmlBytes),
})
if err != nil {
return
}
return
}
// Write the File to io.Writer as xlsx
func (f *File) Write(writer io.Writer, fn func(total int, current int) string) (err error) {
var parts map[string]string
var zipWriter *zip.Writer
parts, err = f.MarshallParts()
if err != nil {
return
}
zipWriter = zip.NewWriter(writer)
count := 0
for partName, part := range parts {
var writer io.Writer
writer, err = zipWriter.Create(partName)
if err != nil {
return
}
_, err = writer.Write([]byte(part))
if err != nil {
return
}
for {
ctrl := fn(len(parts), count)
if ctrl == "pause" {
time.Sleep(1 * time.Second)
} else if ctrl == "export" || ctrl == "resume" {
break
} else if ctrl == "cancel" {
zipWriter.Close()
return
}
}
count++
}
fn(len(parts), len(parts))
err = zipWriter.Close()
return
}
func addFile(filename string, zw *zip.Writer) error {
file, err := os.Open(filename)
if err != nil {
return fmt.Errorf("failed opening %s: %s", filename, err)
}
defer file.Close()
wr, err := zw.Create(filename)
if err != nil {
return fmt.Errorf("failed creating entry for %s in zip file: %s", filename, err)
}
// Not checking how many bytes copied,
// since we don't know the file size without doing more work
if _, err := io.Copy(wr, file); err != nil {
return fmt.Errorf("failed writing %s to zip: %s", filename, err)
}
return nil
}
// read, resize, crop and zip a 'screenshot' named 'name' into 'zipArchive'
func convert(zipFile *zip.Writer, infile io.Reader, filename string) error {
img, err := png.Decode(infile)
if err != nil {
return err
}
resized := resize.Resize(0, TargetHeight, img, resize.Bicubic)
croppedImg, _ := cutter.Crop(resized, cutter.Config{
Width: TargetWidth,
Height: TargetHeight,
Mode: cutter.Centered,
})
zippedFile, err := zipFile.Create(filename)
if err != nil {
return err
}
return jpeg.Encode(zippedFile, croppedImg, JpegQuality)
}
// Función encargada de recorrer un directorio y agregar los archivos al ZIP
func walkDirectory(directory *os.File, zipWriter *zip.Writer) error {
// Leemos contenido del directorio
content, err := directory.Readdir(-1)
if err != nil {
return err
}
// Recorremos contenido del directorio
for _, val := range content {
if !val.IsDir() {
// Es un archivo: anrimos el archivo y lo agregamos al Writer
file, err := openPath(directory.Name() + "/" + val.Name())
if err != nil {
return err
}
// Agregamos un archivo al ZIP
fileWriter, err := zipWriter.Create(file.Name())
if err != nil {
file.Close()
return err
}
// Escrivimos sobre el nuevo archivo ZIP
_, err = copyContent(file, fileWriter)
} else {
// Es un directorio: abrimos el directorio y recorremos su contenido
dir, err := openPath(directory.Name() + "/" + val.Name())
if err != nil {
return err
}
err = walkDirectory(dir, zipWriter)
if err != nil {
return err
}
}
}
// Cerramos directorio
directory.Close()
return nil
}
// addTilesToZip fetches all the Tile records for a given Overlay, fetches
// their associated image blobs, and adds them to the provided zip file.
func addTilesToZip(c appengine.Context, z *zip.Writer, oKey *datastore.Key) error {
base := oKey.Encode()
q := datastore.NewQuery("Tile").Ancestor(oKey)
for i := q.Run(c); ; {
var t Tile
if _, err := i.Next(&t); err == datastore.Done {
break
} else if err != nil {
return err
}
name := fmt.Sprintf("%s/%d/%d/%d.png", base, t.Zoom, t.X, t.Y)
w, err := z.Create(name)
if err != nil {
return err
}
if _, err = w.Write(t.Image); err != nil {
return err
}
}
return nil
}
