TKMarkupFloatParamClass


1   package com.teamkonzept.publishing.markups;
2   
3   /**
4    * @author  $Author: mischa $
5    * @version $Revision: 1.6 $
6    */
7   public class TKMarkupFloatParamClass extends TKMarkupParamClass {
8   
9       /**
10       * checks if raw is a string representation of a float
11       * @return the trimmed string (if it is a float) or null
12       */
13      public String   checkValue (String   raw) {
14          if (raw == null){
15              return raw;
16          }
17              
18          String   value = raw.trim();      
19          int pos = 0;
20          // is true as long as there is no '.'
21          boolean isInt = true;
22  
23          while (pos < value.length()) {      
24              char chr = value.charAt (pos++);
25                      
26              if (chr == '.'){
27                  if (!isInt){
28                      return null;
29                  }
30                  else {
31                      isInt = false;
32                  }
33              }
34              else if (digitCodes.indexOf(chr) == -1){
35                  return null;
36              }
37          }
38          return value;
39      }
40  
41      public int parseUnquotedValue (String   text, int pos, StringBuffer   value) 
42          throws TKMarkupParserException {
43      
44          if (value != null) value.setLength (0);
45  
46          boolean isInt = true;
47          boolean isFloat = true;
48  
49          while (pos < text.length()) {
50          
51              char chr = text.charAt (pos);
52  
53              if (chr == '.'){
54                  if (!isInt){
55                      isFloat = false;
56                  }
57                  else{
58                      isInt = false;
59                  }
60              }
61              else if (digitCodes.indexOf(chr) == -1){
62                  isInt = false;
63                  isFloat = false;
64              }       
65              if (!isInt && !isFloat) break;
66              if (value != null) value.append (chr);
67  
68              pos++;
69          }
70          return pos;
71      }
72  
73      public String   wrapValue (String   value) {
74  
75          return value;
76      }
77  }
78  
79
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