lang-impl/src/com/intellij/codeInsight/template/impl/TemplateImplUtil.java

   1 package com.intellij.codeInsight.template.impl;
   2
   3 import com.intellij.codeInsight.template.Expression;
   4 import com.intellij.psi.tree.IElementType;
   5 import com.intellij.util.text.CharArrayUtil;
   6
   7 import java.util.ArrayList;
   8 import java.util.Set;
   9
  10 import org.jetbrains.annotations.NonNls;
  11
  12 /**
  13  * Created by IntelliJ IDEA.
  14  * User: Maxim.Mossienko
  15  * Date: Mar 19, 2004
  16  * Time: 1:28:54 PM
  17  * To change this template use File | Settings | File Templates.
  18  */
  19 public class TemplateImplUtil {
  20   public static boolean validateTemplateText(String s) {
  21     TemplateTextLexer lexer = new TemplateTextLexer();
  22     lexer.start(s,0,s.length(),0);
  23     int end = -1;
  24     while(true){
  25       IElementType tokenType = lexer.getTokenType();
  26       if (tokenType == null) break;
  27       int start = lexer.getTokenStart();
  28       if (tokenType == TemplateTokenType.VARIABLE){
  29         if (start == end) return false;
  30         end = lexer.getTokenEnd();
  31       } else {
  32         end = -1;
  33       }
  34       lexer.advance();
  35     }
  36     return true;
  37   }
  38
  39   public static void parseVariables(CharSequence text, ArrayList variables, Set predefinedVars) {
  40     TemplateTextLexer lexer = new TemplateTextLexer();
  41     lexer.start(text, 0, text.length(),0);
  42
  43     while(true){
  44       IElementType tokenType = lexer.getTokenType();
  45       if (tokenType == null) break;
  46       int start = lexer.getTokenStart();
  47       int end = lexer.getTokenEnd();
  48       String token = text.subSequence(start, end).toString();
  49       if (tokenType == TemplateTokenType.VARIABLE){
  50         String name = token.substring(1, token.length() - 1);
  51         boolean isFound = false;
  52
  53         if (predefinedVars!=null && predefinedVars.contains(name) && !name.equals(TemplateImpl.SELECTION)){
  54           isFound = true;
  55         }
  56         else{
  57           for (Object variable1 : variables) {
  58             Variable variable = (Variable)variable1;
  59             if (variable.getName().equals(name)) {
  60               isFound = true;
  61               break;
  62             }
  63           }
  64         }
  65
  66         if (!isFound){
  67           variables.add(new Variable(name, "", "", true));
  68         }
  69       }
  70       lexer.advance();
  71     }
  72   }
  73
  74   public static Expression parseTemplate(@NonNls String text) {
  75     return MacroParser.parse(text);
  76   }
  77 }