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
17import java.util.HashMap;
18
19public class JType {
20
21    String baseType;
22    boolean isArray;
23    boolean isClass;
24    boolean isString;
25
26    static HashMap<CType,JType> typeMapping = new HashMap<CType,JType>();
27    static HashMap<CType,JType> arrayTypeMapping = new HashMap<CType,JType>();
28
29    static {
30    // Primitive types
31    typeMapping.put(new CType("GLbitfield"), new JType("int"));
32    typeMapping.put(new CType("GLboolean"), new JType("boolean"));
33    typeMapping.put(new CType("GLclampf"), new JType("float"));
34    typeMapping.put(new CType("GLclampx"), new JType("int"));
35    typeMapping.put(new CType("GLenum"), new JType("int"));
36    typeMapping.put(new CType("GLfloat"), new JType("float"));
37    typeMapping.put(new CType("GLfixed"), new JType("int"));
38    typeMapping.put(new CType("GLint"), new JType("int"));
39    typeMapping.put(new CType("GLintptr"), new JType("int"));
40    typeMapping.put(new CType("GLshort"), new JType("short"));
41    typeMapping.put(new CType("GLsizei"), new JType("int"));
42    typeMapping.put(new CType("GLsizeiptr"), new JType("int"));
43    typeMapping.put(new CType("GLubyte"), new JType("byte"));
44    typeMapping.put(new CType("GLuint"), new JType("int"));
45    typeMapping.put(new CType("void"), new JType("void"));
46    typeMapping.put(new CType("GLubyte", true, true), new JType("String", false, false));
47    typeMapping.put(new CType("char", false, true), new JType("byte"));
48    typeMapping.put(new CType("char", true, true), new JType("String", false, false));
49    typeMapping.put(new CType("int"), new JType("int"));
50
51    // EGL primitive types
52    typeMapping.put(new CType("EGLint"), new JType("int"));
53    typeMapping.put(new CType("EGLBoolean"), new JType("boolean"));
54    typeMapping.put(new CType("EGLenum"), new JType("int"));
55    typeMapping.put(new CType("EGLNativePixmapType"), new JType("int"));
56    typeMapping.put(new CType("EGLNativeWindowType"), new JType("int"));
57    typeMapping.put(new CType("EGLNativeDisplayType"), new JType("int"));
58    typeMapping.put(new CType("EGLClientBuffer"), new JType("int"));
59
60    // EGL nonprimitive types
61    typeMapping.put(new CType("EGLConfig"), new JType("EGLConfig", true, false));
62    typeMapping.put(new CType("EGLContext"), new JType("EGLContext", true, false));
63    typeMapping.put(new CType("EGLDisplay"), new JType("EGLDisplay", true, false));
64    typeMapping.put(new CType("EGLSurface"), new JType("EGLSurface", true, false));
65
66
67    // Untyped pointers map to untyped Buffers
68    typeMapping.put(new CType("GLvoid", true, true),
69            new JType("java.nio.Buffer", true, false));
70    typeMapping.put(new CType("GLvoid", false, true),
71            new JType("java.nio.Buffer", true, false));
72    typeMapping.put(new CType("void", false, true),
73            new JType("java.nio.Buffer", true, false));
74    typeMapping.put(new CType("GLeglImageOES", false, false),
75            new JType("java.nio.Buffer", true, false));
76
77    // Typed pointers map to typed Buffers
78    typeMapping.put(new CType("GLboolean", false, true),
79            new JType("java.nio.IntBuffer", true, false));
80    typeMapping.put(new CType("GLenum", false, true),
81            new JType("java.nio.IntBuffer", true, false));
82    typeMapping.put(new CType("GLfixed", false, true),
83            new JType("java.nio.IntBuffer", true, false));
84    typeMapping.put(new CType("GLfixed", true, true),
85            new JType("java.nio.IntBuffer", true, false));
86    typeMapping.put(new CType("GLfloat", false, true),
87            new JType("java.nio.FloatBuffer", true, false));
88    typeMapping.put(new CType("GLfloat", true, true),
89            new JType("java.nio.FloatBuffer", true, false));
90    typeMapping.put(new CType("GLint", false, true),
91            new JType("java.nio.IntBuffer", true, false));
92    typeMapping.put(new CType("GLint", true, true),
93            new JType("java.nio.IntBuffer", true, false));
94    typeMapping.put(new CType("GLsizei", false, true),
95            new JType("java.nio.IntBuffer", true, false));
96    typeMapping.put(new CType("GLuint", false, true),
97            new JType("java.nio.IntBuffer", true, false));
98    typeMapping.put(new CType("GLuint", true, true),
99            new JType("java.nio.IntBuffer", true, false));
100    typeMapping.put(new CType("GLshort", true, true),
101            new JType("java.nio.ShortBuffer", true, false));
102
103    // Typed pointers map to arrays + offsets
104    arrayTypeMapping.put(new CType("char", false, true),
105            new JType("byte", false, true));
106    arrayTypeMapping.put(new CType("GLboolean", false, true),
107            new JType("boolean", false, true));
108    arrayTypeMapping.put(new CType("GLenum", false, true), new JType("int", false, true));
109    arrayTypeMapping.put(new CType("GLfixed", true, true), new JType("int", false, true));
110    arrayTypeMapping.put(new CType("GLfixed", false, true), new JType("int", false, true));
111    arrayTypeMapping.put(new CType("GLfloat", false, true), new JType("float", false, true));
112    arrayTypeMapping.put(new CType("GLfloat", true, true), new JType("float", false, true));
113    arrayTypeMapping.put(new CType("GLint", false, true), new JType("int", false, true));
114    arrayTypeMapping.put(new CType("GLint", true, true), new JType("int", false, true));
115    arrayTypeMapping.put(new CType("GLshort", true, true), new JType("short", false, true));
116    arrayTypeMapping.put(new CType("GLsizei", false, true), new JType("int", false, true));
117    arrayTypeMapping.put(new CType("GLsizei", true, true), new JType("int", false, true));
118    arrayTypeMapping.put(new CType("GLuint", false, true), new JType("int", false, true));
119    arrayTypeMapping.put(new CType("GLuint", true, true), new JType("int", false, true));
120    arrayTypeMapping.put(new CType("GLintptr"), new JType("int", false, true));
121    arrayTypeMapping.put(new CType("GLsizeiptr"), new JType("int", false, true));
122
123    //EGL typed pointers map to arrays + offsets
124    arrayTypeMapping.put(new CType("EGLint", false, true), new JType("int", false, true));
125    arrayTypeMapping.put(new CType("EGLint", true, true), new JType("int", false, true));
126    arrayTypeMapping.put(new CType("EGLConfig", false, true), new JType("EGLConfig", true, true));
127    arrayTypeMapping.put(new CType("EGLConfig", true, true), new JType("EGLConfig", true, true));
128
129    }
130
131    public JType() {
132    }
133
134    public JType(String primitiveTypeName) {
135    this.baseType = primitiveTypeName;
136    this.isClass = false;
137    this.isArray = false;
138    }
139
140    public JType(String primitiveTypeName, boolean isClass, boolean isArray) {
141    this.baseType = primitiveTypeName;
142    this.isClass = isClass;
143    this.isArray = isArray;
144    }
145
146    public String getBaseType() {
147    return baseType;
148    }
149
150    @Override
151    public String toString() {
152    return baseType + (isArray ? "[]" : "");
153    }
154
155    public boolean isArray() {
156    return isArray;
157    }
158
159    public boolean isClass() {
160    return isClass;
161    }
162
163    public boolean isString() {
164        return baseType.equals("String");
165    }
166
167    public boolean isPrimitive() {
168    return !isClass() && !isArray();
169    }
170
171    public boolean isVoid() {
172    return baseType.equals("void");
173    }
174
175    public boolean isBuffer() {
176    return baseType.indexOf("Buffer") != -1;
177    }
178
179    public boolean isTypedBuffer() {
180    return !baseType.equals("java.nio.Buffer") &&
181        (baseType.indexOf("Buffer") != -1);
182    }
183
184    public boolean isEGLHandle() {
185    return !isPrimitive() &&
186        (baseType.startsWith("EGL"));
187    }
188
189    public static JType convert(CType ctype, boolean useArray) {
190     JType javaType = null;
191     if (useArray) {
192         javaType = arrayTypeMapping.get(ctype);
193     }
194     if (javaType == null) {
195         javaType = typeMapping.get(ctype);
196     }
197     if (javaType == null) {
198         throw new RuntimeException("Unsupported C type: " + ctype);
199     }
200     return javaType;
201    }
202}
203