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< > BotCompany Repo | #1000647 // mysqlTok function - MySQL tokenizer

JavaX fragment (include)

// who knows whether this is correct...
// I did add ` strings

static List<String> mysqlTok(String s) {
  List<String> tok = new ArrayList<String>();
  int l = s.length();
  
  int i = 0;
  while (i < l) {
    int j = i;
    char c; String cc;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      cc = s.substring(j, Math.min(j+2, l));
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (cc.equals("/*")) {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (cc.equals("//")) {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    tok.add(s.substring(i, j));
    i = j;
    if (i >= l) break;
    c = s.charAt(i); // cc is not needed in rest of loop body

    // scan for non-whitespace
    if (c == '\'' || c == '"' || c == '`') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener) {
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isLetter(c))
      do ++j; while (j < l && Character.isLetterOrDigit(s.charAt(j)));
    else if (Character.isDigit(c))
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
    else
      ++j;

    tok.add(s.substring(i, j));
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}

Author comment

Began life as a copy of #728

download  show line numbers  debug dex  old transpilations   

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Snippet ID: #1000647
Snippet name: mysqlTok function - MySQL tokenizer
Eternal ID of this version: #1000647/1
Text MD5: 4e6c9de3b807da29e358aae4313e7640
Author: stefan
Category:
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2015-08-22 16:26:14
Source code size: 1553 bytes / 59 lines
Pitched / IR pitched: No / Yes
Views / Downloads: 610 / 840
Referenced in: [show references]