Not logged in.  Login/Logout/Register | List snippets | | Create snippet | Upload image | Upload data

38
LINES

< > BotCompany Repo | #1029004 // DoubleWordIndex - words indexed forwards and backwards

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (3684L/23K).

1  
transient sclass DoubleWordIndex<A> {
2  
  new WordIndex<A> index1; // forwards (normal words)
3  
  new WordIndex<A> index2; // backwards (reversed words)
4  
  
5  
  *() {}
6  
  
7  
  *(Comparator<A> valueComparator) {
8  
    index1 = new WordIndex(valueComparator);
9  
    index2 = new WordIndex(valueComparator);
10  
  }
11  
  
12  
  *(Map<A, S> map) { fOr (A a, S text : map) add(a, text); }
13  
  
14  
  void add(A a, S text) {
15  
    Set<S> words = extractWords(text);
16  
    for (S word : words)
17  
      addWord(a, word);
18  
  }
19  
  
20  
  void addWord(A a, S word) {
21  
    index1.addWord(a, word);
22  
    index2.addWord(a, reversed(word));
23  
  }  
24  
  
25  
  Set<A> get(S word) {
26  
    ret index1.get(word);
27  
  }
28  
  
29  
  Set<S> extractWords(S text) {
30  
    ret index1.extractWords(text);
31  
  }
32  
  
33  
  L<IntRange> wordRanges(S text) {
34  
    ret index1.wordRanges(text);
35  
  }
36  
  
37  
  int numWords() { ret index1.numWords(); }
38  
}

Author comment

Began life as a copy of #1024242

download  show line numbers  debug dex  old transpilations   

Travelled to 7 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt, xrpafgyirdlv

No comments. add comment

Snippet ID: #1029004
Snippet name: DoubleWordIndex - words indexed forwards and backwards
Eternal ID of this version: #1029004/8
Text MD5: ff3a9c1ccb45f60c983f1500959080a9
Transpilation MD5: b7b527e20d901a68ea24edf87b3ef102
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2020-07-16 20:49:17
Source code size: 877 bytes / 38 lines
Pitched / IR pitched: No / No
Views / Downloads: 171 / 452
Version history: 7 change(s)
Referenced in: [show references]