doc

A Go package for extracting text from Microsoft Word .doc binary files.

Features

• Extract plain text from Microsoft Word .doc binary files
• Handle both compressed and uncompressed text formats
• Support for multiple character encodings, including Chinese characters
• Simple and easy-to-use API

Installation

go get github.com/lee501/doc

Usage

package main

import (
	"fmt"
	"github.com/lee501/doc"
	"os"
)

func main() {
	// Open Word document
	file, err := os.Open("document.doc")
	if err != nil {
		panic(err)
	}
	defer file.Close()

	// Extract text from document
	text, err := doc.ParseDoc(file)
	if err != nil {
		panic(err)
	}

	// Convert reader to string and print
	fmt.Println(text)
}

Features in Detail

1. Support Compressed and Uncompressed Text Handling

• translateCompressedText and translateUncompressedText
• Compressed text typically uses single-byte encoding (e.g., ANSI/CP1252)
• Uncompressed text typically uses double-byte Unicode encoding

2. Enhanced Unicode Support

• Properly handle double-byte Unicode characters in translateUncompressedText
• Use binary.LittleEndian.Uint16 to read Unicode code points
• Convert Unicode code points to UTF-8 output

3. Improved Chinese Character Handling

• handleANSICharacter function to handle potential Chinese characters
• Integrated golang.org/x/text/encoding/simplifiedchinese package for GBK encoding support
• Attempt GBK decoding for high-byte characters

4. Better Character Mapping

• replaceCompressed function to correctly convert Windows-1252 special characters to UTF-8
• Added detailed Unicode code point comments

5. Encoding Detection

• detectChineseEncoding helper function to identify potential Chinese encodings
• Laid the foundation for more intelligent encoding detection in the future

Dependencies

• mattetti/filebuffer
• richardlehane/mscfb
• golang.org/x/text/encoding/simplifiedchinese

License

This project is licensed under the MIT License - see the LICENSE file for details.