1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17public class CType {
18
19    String baseType;
20    boolean isConst;
21    boolean isPointer;
22
23    public CType() {
24    }
25
26    public CType(String baseType) {
27    setBaseType(baseType);
28    }
29
30    public CType(String baseType, boolean isConst, boolean isPointer) {
31    setBaseType(baseType);
32    setIsConst(isConst);
33    setIsPointer(isPointer);
34    }
35
36    public String getDeclaration() {
37    return baseType + (isPointer ? " *" : "");
38    }
39
40    public void setIsConst(boolean isConst) {
41    this.isConst = isConst;
42    }
43
44    public boolean isConst() {
45    return isConst;
46    }
47
48    public void setIsPointer(boolean isPointer) {
49    this.isPointer = isPointer;
50    }
51
52    public boolean isPointer() {
53    return isPointer;
54    }
55
56    public boolean isEGLHandle() {
57        if(baseType.equals("EGLContext")
58           || baseType.equals("EGLConfig")
59           || baseType.equals("EGLSurface")
60           || baseType.equals("EGLDisplay")) {
61               return true;
62        }
63        return false;
64    }
65
66    boolean isVoid() {
67    String baseType = getBaseType();
68    return baseType.equals("GLvoid") ||
69        baseType.equals("void");
70    }
71
72    public boolean isConstCharPointer() {
73        return isConst && isPointer &&
74            (baseType.equals("char") || baseType.equals("GLchar"));
75    }
76
77    public boolean isTypedPointer() {
78    return isPointer() && !isVoid() && !isConstCharPointer();
79    }
80
81    public void setBaseType(String baseType) {
82    this.baseType = baseType;
83    }
84
85    public String getBaseType() {
86    return baseType;
87    }
88
89    @Override
90    public String toString() {
91    String s = "";
92    if (isConst()) {
93        s += "const ";
94    }
95    s += baseType;
96    if (isPointer()) {
97        s += "*";
98    }
99
100    return s;
101    }
102
103    @Override
104    public int hashCode() {
105    return baseType.hashCode() ^ (isPointer ? 2 : 0) ^ (isConst ? 1 : 0);
106    }
107
108    @Override
109    public boolean equals(Object o) {
110    if (o != null && o instanceof CType) {
111        CType c = (CType)o;
112        return baseType.equals(c.baseType) &&
113        isPointer() == c.isPointer() &&
114        isConst() == c.isConst();
115    }
116    return false;
117    }
118}
119