EscapeParser


1   package in.co.daffodil.db.jdbc;
2   
3   public class EscapeParser {
4   
5      static final char SPACE = (char) 32;
6   
7      public static String   parse(String   str) {
8         String   toRetutn = "";
9         int length = str.length();
10        int count = 0;
11        boolean ignore = false;
12        try {
13           for (int i = 0; i < length; i++) {
14              char ch = str.charAt(i);
15              if (ch == '{' && !ignore) {
16                 count++;
17                 String   toSubstitute = "";
18                 while (str.charAt(++i) == SPACE)
19                    ;
20                 ch = str.charAt(i);
21                 while (ch != SPACE && ch != '{' && ch != '}') {
22                    toSubstitute += ch;
23                    ch = str.charAt(++i);
24                 }
25                 toRetutn += getSubstitute(toSubstitute);
26                 i--;
27              } else if (ch == '}' && !ignore) {
28                 count--;
29              } else if (ch == '\'') {
30                 ignore = !ignore;
31                 toRetutn += ch;
32              } else
33                 toRetutn += ch;
34           }
35        } catch (StringIndexOutOfBoundsException   e) {}
36        finally {
37           if (count != 0){
38           ;//// Removed By Program **              System.out.println("P R O B L E M  W I T H  B R A C E S");
39           }
40        }
41        return toRetutn;
42     }
43  
44     static String   result = "";
45  
46     static String   parse1(String   toParse) {
47        int openingBracePosition = toParse.indexOf("{");
48        int closingBracePosition = toParse.indexOf("}");
49  
50        if (openingBracePosition == -1 && closingBracePosition == -1)
51           return result;
52  
53        String   toAdd = "";
54        int pointer = closingBracePosition;
55        int nextPointer = pointer + 1;
56        if (openingBracePosition != -1 && openingBracePosition < closingBracePosition) {
57           pointer = openingBracePosition;
58  
59           while (toParse.charAt(++openingBracePosition) == ' ')
60              ;
61  
62           nextPointer = toParse.indexOf(" ", openingBracePosition);
63  
64           String   toRemove = toParse.substring(openingBracePosition, nextPointer);
65           toAdd = getSubstitute(toRemove);
66        }
67  
68        result += (toParse.substring(0, pointer) + toAdd);
69        return parse1(toParse.substring(nextPointer));
70     }
71  
72     static String   getSubstitute(String   str) {
73        String   toReturn = "";
74        if (str.equalsIgnoreCase("t"))
75           return "TIME";
76        if (str.equalsIgnoreCase("ts"))
77           return "TIMESTAMP";
78        if (str.equalsIgnoreCase("d"))
79           return "DATE";
80        if (str.equalsIgnoreCase("fn") || str.equalsIgnoreCase("oj"))
81           return "";
82        return str;
83     }
84     /*   public EscapeParser(String toParse) {
85       parse(toParse);
86         }
87      static String result = "";
88      public static String parse(String toParse){
89       int openingBracePosition = toParse.indexOf("{");
90       int closingBracePosition = toParse.indexOf("}");
91       if(openingBracePosition == -1 && closingBracePosition == -1)
92        return result;
93       String toAdd = "";
94       int pointer = closingBracePosition;
95       int nextPointer = pointer + 1;
96       if(openingBracePosition != -1 && openingBracePosition < closingBracePosition){
97        pointer = openingBracePosition;
98        while(toParse.charAt(++openingBracePosition) == ' ');
99        nextPointer = toParse.indexOf(" ", openingBracePosition);
100       String toRemove = toParse.substring(openingBracePosition, nextPointer);
101       toAdd = getSubstitute(toRemove);
102      }
103      result += (toParse.substring(0, pointer) + toAdd);
104      return parse(toParse.substring(nextPointer));
105     }
106     private static String getSubstitute(String str){
107      String toReturn = "";
108      if(str.equals("t"))
109       return "time";
110      if(str.equals("d"))
111       return "date";
112      if(str.equals("ts"))
113       return "timestamp";
114      if(str.equals("fn"))
115       return "";
116      return str;
117     }*/
118 
119 }
120
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