灵格斯LDX,LD2等格式分析

词典格式是这样的

struct {
int Flag; //?LD2,?LDX等标记
byte[16] MD5;//估计是MD5值，LD2转换为LDX时只有前两个字段有变化
byte[4] byteorder;
short majorversion;
short minorversion;
byte[16] ID;
int version;
int flags;
byte[16] MD52;
int unknown1;
int unknown2;
int unknown3;
int unknown4;
} Header; //以上为词典头

int unknown; //总为1
int xmllength; //词典信息的xml长度
[Encrypted("DES")]
byte[xmllength] infoxml; //此xml保存词典信息，由DES加密。

struct {
int dicttype; //取值0,1,2,3,5
[Switch(dicttype)]
union {
[Case(3)] //dicttype=3则为本地词典
{
int dictlength;
[Length(dictlength)]
{
int indexLength; //索引表长度
int uncompressedwordoffset; //单词表在解压后文件的起始位置
int uncompressedxmloffset; //xml在解压后文件的起始位置
int uncompressedxmldatalength; //解压后的xml数据长度
int compresseddatalength;
[Length(indexLength)]
int[] indexes; //索引表
[Length(compresseddatalength)]
struct {
int compressedblockindexlength; //解压后每块数据大小
int uncompressedTotalLength; //解压后总大小
int[] compressedindexes; //每块数据在compresseddata中的起始位置，下一
个为结束位置
byte[] compresseddata;
} compresseddata;
}
}
[Case(0)] //dicttype=0则表示词典结束
}Dictcontent;
} Dict[];

 

解压后的数据结构：
byte[] wordindexdata;
byte[] worddata;
byte[] xmldata;

每个单词的索引值乘以10就是wordindexdata中的偏移量
在这里读取以下数据结构
struct
{
int WordOffset; //单词在worddata中的偏移量
int XmlOffset; //单词在xmldata中的偏移量
byte Flag1;
byte Flag2; //若为1则表示在worddata中的数据是索引值，读取一个整型，然后用此索引重新计算word和xml
int NextWordOffset;//可计算出word的长度，读取
int NextXmlOffset;//可计算出xml的长度，读取
} WordInfo;

读出的word即为单词
xml为单词释义，是变形的html格式，需要用xslt转换为标准html读取。

解密后词典信息的内容是这种格式的，图标应该是base64编码的。

<dict id="3699E846E5BC094CA733B92FD733ACDF" version="2" byte_order="4321" type="1" name="Collins COBUILD 
Advanced Learner's English Dictionary" 
icon="89504E470D0A1A0A0000000D4948445200000010000000100803000000282D0F530000000467414D410000AFC837058AE90000001 
974455874536F6674776172650041646F626520496D616765526561647971C9653C00000114504C5445F7F7FAFCFCFD7F7FB1F9F9FBFAFA 
FCF4F4F86F6FA6F6F6F9C2C2D9000064A5A5C85E5E9DC3C3DA494991C5C5DBA1A1C50404671C1C765A5A9A111170AAAACBCACADECFCFE1F 
3F3F87070A8F5F5F9EFEFF57373A91818744B4B91EDEDF48080B2F8F8FA050569DFDFEB58589A9191BC6C6CA6BFBFD8F2F2F7C0C0D7BFBF 
D79999BFEAEAF2D3D3E4D1D1E20101663F3F8B212178141471D1D1E3A0A0C51616737979AE020267D2D2E37070A77E7EB147478E3E3E8A9 
494BD4E4E92B6B6D29E9EC40A0A6BB0B0CFD8D8E7FDFDFDDBDBE9F6F6FA4D4D94C9C9DDE1E1EC61619FBEBED7E3E3EE9797BFC1C1D98484 
B421217901016746468E6E6EA66C6CA5F0F0F5C9C9DE232379F0F0F6ECECF3000065000066FFFFFF5AB8BD910000005C74524E53FFFFFFF 
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00836D17E0000000E94944415478DA628806817037431E3 
B4F3910132080188058495B2392934D224A8C49373A1A208080025C020E3ECA325E0C2EAEDC7C8CD10001C410CD681D1969C5C200D61AC2 
C40C104040065364A4693414B0B303041043B4B9962A3F2B4C209A03208018B8022205DDE1FC6867800062088B8A8AB4450844030410830 
15040164900208018ECA3224D789004000288215A54C54284016128400001997E919196303E332B4000011DA61F1919C8C202E6ABCB2B00 
04105085B19EA20DB7BF2FB38778B0916434400081743B796B023D276D161AA4131D0D104010E3A47885D51C8522404C800003000286447 
A9A58897A0000000049454E44AE426082" date="2007-11-21" update="2007-11-21"><from lang="en" charset="utf-8" 
sort="0" /><to lang="en" charset="utf-8" /><flag>000000B1flag><info><item lang="en"><title>Collins COBUILD  
Advanced Learner's English Dictionarytitle><edition>4edition><description 
/><publisher><author>HarperCollins Publishers Ltdauthor><email 
/><website>http://www.collins.co.uk/website><copyright>Copyright © HarperCollins Publishers Ltd 
2004.copyright>publisher><message /><license />item><item lang="zh-CN"><title>柯林斯高阶英语词典 
title><edition>4edition><description /><publisher><author>HarperCollins Publishers Ltdauthor><email 
/><website>http://www.collins.co.uk/website><copyright>Copyright © HarperCollins Publishers Ltd 
2004.copyright>publisher><message /><license />item><item lang="zh-TW"><title>柯林斯高階英語詞典 
title><edition>4edition><description /><publisher><author>HarperCollins Publishers Ltdauthor><email 
/><website>http://www.collins.co.uk/website><copyright>Copyright © HarperCollins Publishers Ltd 
2004.copyright>publisher><message /><license />item>info><str /><res /><gls count="32730" 
index_count="32730" maxsize_key="45" maxsize_data="26986" />dict>

 

解压后词典条目的xml是这样的：

<C><F><H><L><l>1l>wordL> <h><U>n.U>h>H><K>
Pronunciation:    
'wərd
 
Function:          
noun
 
Etymology:         
Middle 
English, from Old English; akin to Old High German wort word, Latin verbum, Greek 
eirein to say, speak, Hittite weriya- to call, name
 
Date:              
b 
efore 12th century
1 a : something that is said b 
plural (1) : TALK, DISCOURSE <putting one's feelings into 
words> (2) : the text of a vocal musical composition c : a brief 
remark or conversation <would like to have a word with you> 
2 a (1) : a speech 
sound or series of speech sounds that symbolizes and communicates a meaning usually without being divisible 
into smaller units capable of independent use (2) : the entire set of linguistic forms produced 
by combining a single base with various inflectional elements without change in the part of speech elements 
b (1) : a written or printed character or combination of characters representing a spoken word 
<the number of words to a line> ― sometimes used with the first letter of a real or 
pretended taboo word prefixed as an often humorous euphemism <the first man to utter the f word on 
British TV ― Time> <we were not afraid to use the d word and talk about death ― Erma 
Bombeck> (2) : any segment of written or printed discourse ordinarily appearing between spaces 
or between a space and a punctuation mark c : a number of bytes processed as a unit and conveying 
a quantum of information in communication and computer work 
3 : ORDER, COMMAND <don't move 
till I give the word> 
4 often capitalized a : LOGOS b : GOSPEL 1A 
c : the expressed or manifested mind and will of God 
5 a : NEWS, INFORMATION <sent word that he would be late> b : 
RUMOR 
6 : the act of speaking or of 
making verbal communication 
7 : SAYING, PROVERB 
8 : PROMISE, DECLARATION 
<kept her word> 
9 : a quarrelsome utterance or conversation ― usually used in 
plural <they had words and parted> 
10 : a verbal signal : PASSWORD 
11 slang ― used interjectionally to 
express agreement 
 –good word 
1 : a favorable statement <put in a good 
word for me> 
2 : good news <what's the good word> 
 –in a 
word : in short 
 –in so many words 
1 : in exactly those terms 
<implied that such actions were criminal but did not say so in so many words> 
2 : 
in plain forthright language <in so many words, she wasn't fit to be seen ― Jean Stafford> 

 –of few words : not inclined to say more than is necessary : LACONIC <a man of few words> 
 –of 
one's word : that can be relied on to keep a promise ― used only after man or woman 
<a man of his word> 
 –upon my word : with my assurance : INDEED, ASSUREDLY <upon my word, I've never heard of such a thing>]] 
>2word n.Function:          intransitive 
verb Date:              1 
3th century
archaic : SPEAK 

transitive verb : to express in words : PHRASE <a carefully worded reply>]]>K>F><F><H><L><x 
K="#333399">word <h>(as used in expressions)h>x>L> <h><U>n.U>h>H><K>code word
content 
word
dirty word
entry word
fighting 
word
form word
four letter word
function word
ghost word
guide word
key 
word
last word
my word
weasel 
word
upon my word
of one's word
in a 
word
good word
word association test
word class
word for word
word hoard
word mongering
word of 
mouth
word order
word processing
word 
process
word processor
word square
word stress
word accent
word wrap
eat one's words
of few words
in so many words
]]>K>F>C>

转载于:https://www.cnblogs.com/SuperBrothers/archive/2012/11/24/2785971.html