stardict字典文件格式识别类

最新推荐文章于 2015-08-18 14:31:00 发布

forlinux

最新推荐文章于 2015-08-18 14:31:00 发布

阅读量2k

点赞数

CC 4.0 BY-SA版权

分类专栏： .NET/windows .net 文章标签： byte

本文链接：https://blog.youkuaiyun.com/forlinux/article/details/2325643

.NET/windows 同时被 2 个专栏收录

52 篇文章

订阅专栏

.net

11 篇文章

订阅专栏

这个类用于处理Stardict字典文件，提供按关键字查找单词和获取原文对应翻译的功能。通过FileStream和BinaryReader读取idx和dict文件，识别以特定结束符分隔的单词，并进行字节操作获取单词位置和大小，最终解码为UTF8字符串。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace cn.Laiyunqing
{
    public class nStarDict
    {
        private string idxFile;
        private string dictFile;

        public nStarDict( string idx, string dict)
       {
            this .idxFile = idx;
            this .dictFile = dict;
       }

        public List < string > Words( string key)
       {
           List < string > words = new List < string > ();
           FileStream fsIdx = new FileStream( this .idxFile, FileMode.Open, FileAccess.Read);
           BinaryReader brIdx = new BinaryReader(fsIdx, Encoding.UTF8);
            byte [] ch = new byte [ 4096 ];
            byte end = ( byte ) ' ' ;
            int index = 0 ;
            for (index = 0 ; index < 4096 ; index ++ )
               ch[index] = ( byte ) ' ' ;
           index = 0 ;
            while ( true )
           {
                try
               {
                   ch[index] = brIdx.ReadByte();
                   index ++ ;
               }
                catch (EndOfStreamException)
               {
                    break ;
               }
                if (ch[index - 1 ] == end)
               {
                    byte [] word = new byte [index - 1 ];
                    for ( int i = 0 ; i < index - 1 ; i ++ )
                   {
                       word[i] = ch[i];
                       ch[i] = 0 ;
                   }
                  string queryString = Encoding.UTF8.GetString(word);
                  if (queryString.StartsWith(key, true , System.Globalization.CultureInfo.CurrentCulture))
                 {
                     words.Add(queryString);
                 }
               }
           }
           brIdx.Close();
           fsIdx.Close();
            return words;
       }

        public string Result( string originalText)
       {
            string translatedText = string .Empty;
           FileStream fsIdx = new FileStream( this .idxFile, FileMode.Open, FileAccess.Read);
           BinaryReader brIdx = new BinaryReader(fsIdx, Encoding.UTF8);
           FileStream fsDict = new FileStream( this .dictFile, FileMode.Open, FileAccess.Read);
           BinaryReader brDict = new BinaryReader(fsDict, Encoding.UTF8);
            byte [] ch = new byte [ 4096 ];
            byte end = ( byte ) ' ' ;
            int pos, size;
            int index = 0 ;
            for (index = 0 ; index < 4096 ; index ++ )
               ch[index] = ( byte ) ' ' ;
           index = 0 ;
            while ( true )
           {
                try
               {
                   ch[index] = brIdx.ReadByte();
                   index ++ ;
               }
                catch (EndOfStreamException)
               {
                    break ;
               }
                if (ch[index - 1 ] == end)
               {
                    byte [] word = new byte [index - 1 ];
                    for ( int i = 0 ; i < index - 1 ; i ++ )
                   {
                       word[i] = ch[i];
                       ch[i] = 0 ;
                   }
                    string queryString = Encoding.UTF8.GetString(word);

                   index = 0 ;
                    byte [] tmp = brIdx.ReadBytes( 4 );
                   pos = tmp[ 3 ] + (tmp[ 2 ] << 8 ) + (tmp[ 1 ] << 16 ) + (tmp[ 0 ] << 24 );
                   tmp = brIdx.ReadBytes( 4 );
                   size = tmp[ 3 ] + (tmp[ 2 ] << 8 ) + (tmp[ 1 ] << 16 ) + (tmp[ 0 ] << 24 );
                    byte [] content = brDict.ReadBytes(size);
                    string outText = Encoding.UTF8.GetString(content).Replace( " " , " </br> " ) + " </br> " ;
                    // 是查询的单词
                    if (queryString == originalText)
                   {
                       translatedText = outText;
                        break ;
                   }
               }
           }
           brDict.Close();
           fsDict.Close();
           brIdx.Close();
           fsIdx.Close();
            return translatedText;
       }

    }
}