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1
7
8 package com.sun.java.swing.plaf.gtk;
9
10 import java.util.HashMap  ;
11 import java.awt.Color ;
12 import java.awt.Insets ;
13 import java.io.*;
14
15
19 abstract class PropertyParser {
20
21 public boolean needSimpleStringsEscaped() {
26 return false;
27 }
28
29 private static final PropertyParser INSETS_PARSER = new PropertyParser() {
30 public Object parse(String source) {
31 GTKScanner scanner = new GTKScanner();
32 scanner.scanReader(new StringReader(source), source);
33
34 try {
35 int left;
36 int right;
37 int top;
38 int bottom;
39
40 if (scanner.getToken() != GTKScanner.TOKEN_LEFT_CURLY) {
41 return null;
42 }
43
44 if (scanner.getToken() != GTKScanner.TOKEN_INT) {
45 return null;
46 }
47
48 left = (int)scanner.currValue.longVal;
49
50 if (scanner.getToken() != GTKScanner.TOKEN_COMMA) {
51 return null;
52 }
53
54 if (scanner.getToken() != GTKScanner.TOKEN_INT) {
55 return null;
56 }
57
58 right = (int)scanner.currValue.longVal;
59
60 if (scanner.getToken() != GTKScanner.TOKEN_COMMA) {
61 return null;
62 }
63
64 if (scanner.getToken() != GTKScanner.TOKEN_INT) {
65 return null;
66 }
67
68 top = (int)scanner.currValue.longVal;
69
70 if (scanner.getToken() != GTKScanner.TOKEN_COMMA) {
71 return null;
72 }
73
74 if (scanner.getToken() != GTKScanner.TOKEN_INT) {
75 return null;
76 }
77
78 bottom = (int)scanner.currValue.longVal;
79
80 if (scanner.getToken() != GTKScanner.TOKEN_RIGHT_CURLY) {
81 return null;
82 }
83
84 return new Insets (top, left, bottom, right);
85 } catch (IOException ioe) {
86 } finally {
87 scanner.clearScanner();
88 }
89
90 return null;
91 }
92 };
93
94 private static final PropertyParser BOOLEAN_PARSER = new PropertyParser() {
95 public Object parse(String source) {
96 source = source.trim();
97
98 if (source.equals("TRUE")) {
99 return Boolean.TRUE;
100 } else if (source.equals("FALSE")) {
101 return Boolean.FALSE;
102 }
103
104 return null;
105 }
106 };
107
108 private static final PropertyParser SHADOW_PARSER = new PropertyParser() {
109 public Object parse(String source) {
110 source = source.trim();
111
112 if (source.equals("SHADOW_IN")) {
113 return new Integer (GTKConstants.SHADOW_IN);
114 } else if (source.equals("SHADOW_OUT")) {
115 return new Integer (GTKConstants.SHADOW_OUT);
116 } else if (source.equals("SHADOW_ETCHED_IN")) {
117 return new Integer (GTKConstants.SHADOW_ETCHED_IN);
118 } else if (source.equals("SHADOW_ETCHED_OUT")) {
119 return new Integer (GTKConstants.SHADOW_ETCHED_OUT);
120 } else if (source.equals("SHADOW_NONE")) {
121 return new Integer (GTKConstants.SHADOW_NONE);
122 }
123
124 return null;
125 }
126 };
127
128 private static final PropertyParser FOCUS_LINE_PARSER = new PropertyParser() {
129 public Object parse(String source) {
130 int len = source.length();
131 int[] retVal = new int[len];
132
133 for (int i = 0; i < len; i++) {
134 retVal[i] = (int)source.charAt(i);
135 }
136
137 if (retVal.length == 0 ||
138 retVal.length == 1 && retVal[0] == 0) {
139 retVal = new int[] { Integer.MAX_VALUE };
141
142 } else if (retVal.length == 1) {
143 int value = retVal[0];
145 retVal = new int[] { value, value };
146 }
147 return retVal;
148 }
149 };
150
151 private static final PropertyParser COLOR_PARSER = new PropertyParser() {
152 public boolean needSimpleStringsEscaped() {
155 return true;
156 }
157
158 public Object parse(String source) {
159 GTKScanner scanner = new GTKScanner();
160 scanner.scanReader(new StringReader(source), source);
161
162 try {
163 Color [] ret = new Color [1];
164 int token = GTKParser.parseColor(scanner, ret, 0);
165 if (token == GTKScanner.TOKEN_NONE) {
166 return ret[0];
167 }
168 } catch (IOException ioe) {
169 } finally {
170 scanner.clearScanner();
171 }
172
173 return null;
174 }
175 };
176 private static final HashMap PARSERS = new HashMap ();
177
178 static {
179 PARSERS.put("default-border", INSETS_PARSER);
180 PARSERS.put("interior-focus", BOOLEAN_PARSER);
181 PARSERS.put("shadow-type", SHADOW_PARSER);
182 PARSERS.put("focus-line-pattern", FOCUS_LINE_PARSER);
183 PARSERS.put("cursor-color", COLOR_PARSER);
184 }
185
186 public static PropertyParser getParserFor(String type) {
187 return (PropertyParser)PARSERS.get(type);
188 }
189
190 public abstract Object parse(String source);
191
192 }
193 |
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