You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

250 lines
6.3 KiB

/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
package office
import (
"archive/zip"
"bufio"
"encoding/json"
"encoding/xml"
"errors"
"fmt"
"godo/libs"
"os"
"path"
"path/filepath"
"sync"
)
type DocResult struct {
filePath string
newFilePath string
err error
}
func SetDocument(dirPath string) error {
if !libs.PathExists(dirPath) {
return nil
}
var wg sync.WaitGroup
results := make(chan DocResult, 100) // 缓冲通道
err := filepath.Walk(dirPath, func(filePath string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
// 获取文件名
fileName := filepath.Base(filePath)
// 检查文件名是否以点开头
if len(fileName) > 0 && fileName[0] == '.' {
return nil // 跳过以点开头的文件
}
// 获取文件扩展名
ext := filepath.Ext(filePath)
// 检查文件扩展名是否为 .exe
if ext == ".exe" {
return nil // 跳过 .exe 文件
}
wg.Add(1)
go func(filePath string) {
defer wg.Done()
result := ProcessFile(filePath)
results <- result
}(filePath)
}
return nil
})
if err != nil {
return err
}
go func() {
wg.Wait()
close(results)
}()
for result := range results {
if result.err != nil {
fmt.Printf("Failed to process file %s: %v\n", result.filePath, result.err)
} else {
fmt.Printf("Processed file %s and saved JSON to %s\n", result.filePath, result.newFilePath)
}
}
return nil
}
func ProcessFile(filePath string) DocResult {
doc, err := GetDocument(filePath)
if err != nil {
return DocResult{filePath: filePath, err: err}
}
jsonData, err := json.MarshalIndent(doc, "", " ")
if err != nil {
return DocResult{filePath: filePath, err: err}
}
newFileName := ".godoos." + filepath.Base(filePath)
newFilePath := filepath.Join(filepath.Dir(filePath), newFileName)
err = os.WriteFile(newFilePath, jsonData, 0644)
if err != nil {
return DocResult{filePath: filePath, err: err}
}
return DocResult{filePath: filePath, newFilePath: newFilePath, err: nil}
}
func GetDocument(pathname string) (*Document, error) {
if !libs.PathExists(pathname) {
return nil, fmt.Errorf("file does not exist: %s", pathname)
}
abPath, err := filepath.Abs(pathname)
if err != nil {
return nil, err
}
filename := path.Base(pathname)
data := Document{path: pathname, RePath: abPath, Title: filename}
extension := path.Ext(pathname)
_, err = getFileInfoData(&data)
if err != nil {
return &data, err
}
switch extension {
case ".docx":
_, e := getMetaData(&data)
if e != nil {
fmt.Printf("⚠️ %s", e.Error())
}
_, err = getContentData(&data, docx2txt)
case ".pptx":
_, e := getMetaData(&data)
if e != nil {
fmt.Printf("⚠️ %s", e.Error())
}
_, err = getContentData(&data, pptx2txt)
case ".xlsx":
_, e := getMetaData(&data)
if e != nil {
fmt.Printf("⚠️ %s", e.Error())
}
_, err = getContentData(&data, xlsx2txt)
case ".pdf":
_, err = getContentData(&data, pdf2txt)
case ".doc":
_, err = getContentData(&data, doc2txt)
case ".ppt":
_, err = getContentData(&data, ppt2txt)
case ".xls":
_, err = getContentData(&data, xls2txt)
case ".epub":
_, err = getContentData(&data, epub2txt)
case ".odt":
_, err = getContentData(&data, odt2txt)
case ".xml":
_, err = getContentData(&data, xml2txt)
case ".rtf":
_, err = getContentData(&data, rtf2txt)
case ".md":
_, err = getContentData(&data, md2txt)
case ".txt":
_, err = getContentData(&data, text2txt)
case ".xhtml", ".html", ".htm":
_, err = getContentData(&data, html2txt)
case ".json":
_, err = getContentData(&data, json2txt)
}
if err != nil {
return &data, err
}
return &data, nil
}
// Read the meta data of office files (only *.docx, *.xlsx, *.pptx) and insert into the interface
func getMetaData(data *Document) (bool, error) {
file, err := os.Open(data.path)
if err != nil {
return false, err
}
defer file.Close()
meta, err := GetContent(file)
if err != nil {
return false, errors.New("failed to get office meta data")
}
if meta.Title != "" {
data.Title = meta.Title
}
data.Subject = meta.Subject
data.Creator = meta.Creator
data.Keywords = meta.Keywords
data.Description = meta.Description
data.Lastmodifiedby = meta.LastModifiedBy
data.Revision = meta.Revision
data.Category = meta.Category
data.Content = meta.Category
return true, nil
}
func GetContent(document *os.File) (fields XMLContent, err error) {
// Attempt to read the document file directly as a zip file.
z, err := zip.OpenReader(document.Name())
if err != nil {
return fields, errors.New("failed to open the file as zip")
}
defer z.Close()
var xmlFile string
for _, file := range z.File {
if file.Name == "docProps/core.xml" {
rc, err := file.Open()
if err != nil {
return fields, errors.New("failed to open docProps/core.xml")
}
defer rc.Close()
scanner := bufio.NewScanner(rc)
for scanner.Scan() {
xmlFile += scanner.Text()
}
if err := scanner.Err(); err != nil {
return fields, errors.New("failed to read from docProps/core.xml")
}
break // Exit loop after finding and reading core.xml
}
}
// Unmarshal the collected XML content into the XMLContent struct
if err := xml.Unmarshal([]byte(xmlFile), &fields); err != nil {
return fields, errors.New("failed to Unmarshal")
}
return fields, nil
}
// Read the content of office files and insert into the interface
func getContentData(data *Document, reader DocReader) (bool, error) {
content, err := reader(data.path)
if err != nil {
return false, err
}
data.Content = content
data.Split = SplitText(content, 256)
return true, nil
}