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1
11 package org.eclipse.swt.tools.internal;
12
13 import java.util.ArrayList  ;
14 import java.util.Arrays ;
15 import java.util.HashMap ;
16 import java.util.HashSet ;
17 import java.util.Set ;
18 import java.util.StringTokenizer ;
19
20 public abstract class ItemData {
21
22 HashMap params;
23
24 public ItemData(String str) {
25 parse(str);
26 }
27
28 static String [] split(String str, String separator) {
29 StringTokenizer tk = new StringTokenizer (str, separator);
30 ArrayList result = new ArrayList ();
31 while (tk.hasMoreElements()) {
32 result.add(tk.nextElement());
33 }
34 return (String [])result.toArray(new String [result.size()]);
35 }
36
37 public String [] getFlags() {
38 Object flags = getParam("flags");
39 if (flags == null) return new String [0];
40 if (flags instanceof String []) return (String [])flags;
41 String [] result = split((String )flags, " ");
42 params.put("flags", result);
43 return result;
44 }
45
46 public boolean getFlag(String flag) {
47 String [] flags = getFlags();
48 for (int i = 0; i < flags.length; i++) {
49 if (flags[i].equals(flag)) return true;
50 }
51 return false;
52 }
53
54 public Object getParam(String key) {
55 Object value = params.get(key);
56 return value == null ? "" : value;
57 }
58
59 public boolean getGenerate() {
60 return !getFlag("no_gen");
61 }
62
63 public void parse(String str) {
64 this.params = new HashMap ();
65 if (str.length() == 0) return;
66 String [] params = split(str, ",");
67 for (int i = 0; i < params.length; i++) {
68 String param = params[i];
69 int equals = param.indexOf('=');
70 if (equals == -1) {
71 System.out.println("Error: " + str + " param " + param);
72 }
73 String key = param.substring(0, equals).trim();
74 String value = param.substring(equals + 1).trim();
75 setParam(key, value);
76 }
77 }
78
79 public void setFlags(String [] flags) {
80 setParam("flags", flags);
81 }
82
83 public void setFlag(String flag, boolean value) {
84 String [] flags = getFlags();
85 HashSet set = new HashSet (Arrays.asList(flags));
86 if (value) {
87 set.add(flag);
88 } else {
89 set.remove(flag);
90 }
91 setFlags((String [])set.toArray(new String [set.size()]));
92 }
93
94 public void setGenerate(boolean value) {
95 setFlag("no_gen", !value);
96 }
97
98 public void setParam(String key, Object value) {
99 params.put(key, value);
100 }
101
102 public String toString() {
103 StringBuffer buffer = new StringBuffer ();
104 Set set = params.keySet();
105 String [] keys = (String [])set.toArray(new String [set.size()]);
106 Arrays.sort(keys);
107 for (int j = 0; j < keys.length; j++) {
108 String key = keys[j];
109 Object value = params.get(key);
110 String valueStr = "";
111 if (value instanceof String ) {
112 valueStr = (String )value;
113 } else if (value instanceof String []) {
114 String [] values = (String [])value;
115 StringBuffer valueBuffer = new StringBuffer ();
116 for (int i = 0; i < values.length; i++) {
117 if (i != 0) valueBuffer.append(" ");
118 valueBuffer.append(values[i]);
119 }
120 valueStr = valueBuffer.toString();
121 } else {
122 valueStr = value.toString();
123 }
124 if (valueStr.length() > 0) {
125 if (buffer.length() != 0) buffer.append(",");
126 buffer.append(key);
127 buffer.append("=");
128 buffer.append(valueStr);
129 }
130 }
131 return buffer.toString();
132 }
133
134 }
135 |
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