iedc-go/vendor/github.com/xuri/excelize/v2/workbook.go
2023-03-03 03:12:15 +08:00

200 lines
5.7 KiB
Go

// Copyright 2016 - 2022 The excelize Authors. All rights reserved. Use of
// this source code is governed by a BSD-style license that can be found in
// the LICENSE file.
//
// Package excelize providing a set of functions that allow you to write to and
// read from XLAM / XLSM / XLSX / XLTM / XLTX files. Supports reading and
// writing spreadsheet documents generated by Microsoft Excel™ 2007 and later.
// Supports complex components by high compatibility, and provided streaming
// API for generating or reading data from a worksheet with huge amounts of
// data. This library needs Go version 1.15 or later.
package excelize
import (
"bytes"
"encoding/xml"
"io"
"log"
"path/filepath"
"strconv"
"strings"
)
// WorkbookPrOption is an option of a view of a workbook. See SetWorkbookPrOptions().
type WorkbookPrOption interface {
setWorkbookPrOption(pr *xlsxWorkbookPr)
}
// WorkbookPrOptionPtr is a writable WorkbookPrOption. See GetWorkbookPrOptions().
type WorkbookPrOptionPtr interface {
WorkbookPrOption
getWorkbookPrOption(pr *xlsxWorkbookPr)
}
type (
// Date1904 is an option used for WorkbookPrOption, that indicates whether
// to use a 1900 or 1904 date system when converting serial date-times in
// the workbook to dates
Date1904 bool
// FilterPrivacy is an option used for WorkbookPrOption
FilterPrivacy bool
)
// setWorkbook update workbook property of the spreadsheet. Maximum 31
// characters are allowed in sheet title.
func (f *File) setWorkbook(name string, sheetID, rid int) {
content := f.workbookReader()
content.Sheets.Sheet = append(content.Sheets.Sheet, xlsxSheet{
Name: trimSheetName(name),
SheetID: sheetID,
ID: "rId" + strconv.Itoa(rid),
})
}
// getWorkbookPath provides a function to get the path of the workbook.xml in
// the spreadsheet.
func (f *File) getWorkbookPath() (path string) {
if rels := f.relsReader("_rels/.rels"); rels != nil {
rels.Lock()
defer rels.Unlock()
for _, rel := range rels.Relationships {
if rel.Type == SourceRelationshipOfficeDocument {
path = strings.TrimPrefix(rel.Target, "/")
return
}
}
}
return
}
// getWorkbookRelsPath provides a function to get the path of the workbook.xml.rels
// in the spreadsheet.
func (f *File) getWorkbookRelsPath() (path string) {
wbPath := f.getWorkbookPath()
wbDir := filepath.Dir(wbPath)
if wbDir == "." {
path = "_rels/" + filepath.Base(wbPath) + ".rels"
return
}
path = strings.TrimPrefix(filepath.Dir(wbPath)+"/_rels/"+filepath.Base(wbPath)+".rels", "/")
return
}
// workbookReader provides a function to get the pointer to the workbook.xml
// structure after deserialization.
func (f *File) workbookReader() *xlsxWorkbook {
var err error
if f.WorkBook == nil {
wbPath := f.getWorkbookPath()
f.WorkBook = new(xlsxWorkbook)
if _, ok := f.xmlAttr[wbPath]; !ok {
d := f.xmlNewDecoder(bytes.NewReader(namespaceStrictToTransitional(f.readXML(wbPath))))
f.xmlAttr[wbPath] = append(f.xmlAttr[wbPath], getRootElement(d)...)
f.addNameSpaces(wbPath, SourceRelationship)
}
if err = f.xmlNewDecoder(bytes.NewReader(namespaceStrictToTransitional(f.readXML(wbPath)))).
Decode(f.WorkBook); err != nil && err != io.EOF {
log.Printf("xml decode error: %s", err)
}
}
return f.WorkBook
}
// workBookWriter provides a function to save workbook.xml after serialize
// structure.
func (f *File) workBookWriter() {
if f.WorkBook != nil {
if f.WorkBook.DecodeAlternateContent != nil {
f.WorkBook.AlternateContent = &xlsxAlternateContent{
Content: f.WorkBook.DecodeAlternateContent.Content,
XMLNSMC: SourceRelationshipCompatibility.Value,
}
}
f.WorkBook.DecodeAlternateContent = nil
output, _ := xml.Marshal(f.WorkBook)
f.saveFileList(f.getWorkbookPath(), replaceRelationshipsBytes(f.replaceNameSpaceBytes(f.getWorkbookPath(), output)))
}
}
// SetWorkbookPrOptions provides a function to sets workbook properties.
//
// Available options:
//
// Date1904(bool)
// FilterPrivacy(bool)
// CodeName(string)
func (f *File) SetWorkbookPrOptions(opts ...WorkbookPrOption) error {
wb := f.workbookReader()
pr := wb.WorkbookPr
if pr == nil {
pr = new(xlsxWorkbookPr)
wb.WorkbookPr = pr
}
for _, opt := range opts {
opt.setWorkbookPrOption(pr)
}
return nil
}
// setWorkbookPrOption implements the WorkbookPrOption interface.
func (o Date1904) setWorkbookPrOption(pr *xlsxWorkbookPr) {
pr.Date1904 = bool(o)
}
// setWorkbookPrOption implements the WorkbookPrOption interface.
func (o FilterPrivacy) setWorkbookPrOption(pr *xlsxWorkbookPr) {
pr.FilterPrivacy = bool(o)
}
// setWorkbookPrOption implements the WorkbookPrOption interface.
func (o CodeName) setWorkbookPrOption(pr *xlsxWorkbookPr) {
pr.CodeName = string(o)
}
// GetWorkbookPrOptions provides a function to gets workbook properties.
//
// Available options:
//
// Date1904(bool)
// FilterPrivacy(bool)
// CodeName(string)
func (f *File) GetWorkbookPrOptions(opts ...WorkbookPrOptionPtr) error {
wb := f.workbookReader()
pr := wb.WorkbookPr
for _, opt := range opts {
opt.getWorkbookPrOption(pr)
}
return nil
}
// getWorkbookPrOption implements the WorkbookPrOption interface and get the
// date1904 of the workbook.
func (o *Date1904) getWorkbookPrOption(pr *xlsxWorkbookPr) {
if pr == nil {
*o = false
return
}
*o = Date1904(pr.Date1904)
}
// getWorkbookPrOption implements the WorkbookPrOption interface and get the
// filter privacy of the workbook.
func (o *FilterPrivacy) getWorkbookPrOption(pr *xlsxWorkbookPr) {
if pr == nil {
*o = false
return
}
*o = FilterPrivacy(pr.FilterPrivacy)
}
// getWorkbookPrOption implements the WorkbookPrOption interface and get the
// code name of the workbook.
func (o *CodeName) getWorkbookPrOption(pr *xlsxWorkbookPr) {
if pr == nil {
*o = ""
return
}
*o = CodeName(pr.CodeName)
}