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

26
LINES

< > BotCompany Repo | #1030435 // html_evaluateIfTags

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

Libraryless. Click here for Pure Java version (2796L/18K).

1  
// pred receives the params of opening tag as string (e.g. <if $bla> => "$bla")
2  
sS html_evaluateIfTags(S html, IPred<S> pred) {
3  
  LS tok = htmlTok(html);
4  
  bool anyChange;
5  
  while ping (true) {
6  
    LS ifTag = first(findContainerTag(tok, "if"));
7  
    if (ifTag == null) break;
8  
    set anyChange;
9  
    int iElse = indexOfIC(ifTag, "<else>");
10  
    bool val = pred.get(htmlTagFullParamString(second(ifTag)));
11  
    if (val) {
12  
      // value is true, drop else branch (if there)
13  
      if (iElse >= 0)
14  
        clearTokens(ifTag, iElse, l(ifTag)-2);
15  
    } else {
16  
      // value is false, drop everything up until <else> (or whole thing)
17  
      clearTokens(ifTag, 2, iElse < 0 ? l(ifTag) - 2 : iElse+1);
18  
    }
19  
      
20  
    // clear opening and closing tag
21  
    clearToken(ifTag, 1);
22  
    clearToken(ifTag, l(ifTag)-2);
23  
  }
24  
  
25  
  ret anyChange ? join(tok) : html;
26  
}      

download  show line numbers  debug dex  old transpilations   

Travelled to 4 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, vouqrxazstgt

No comments. add comment

Snippet ID: #1030435
Snippet name: html_evaluateIfTags
Eternal ID of this version: #1030435/7
Text MD5: 9b2c8433f51609de62e6a3e238d9c77f
Transpilation MD5: b397c7bc63e9f5a80dd6454160f6c4ca
Author: stefan
Category: javax / html
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2020-12-16 23:39:04
Source code size: 878 bytes / 26 lines
Pitched / IR pitched: No / No
Views / Downloads: 198 / 288
Version history: 6 change(s)
Referenced in: [show references]