JType.java revision 0eb6ad563825b97aec760a893db0eead10fe0ae6 
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("GLchar", true, true), new JType("String", false, false));
50    typeMapping.put(new CType("int"), new JType("int"));
51
52    // EGL primitive types
53    typeMapping.put(new CType("EGLint"), new JType("int"));
54    typeMapping.put(new CType("EGLBoolean"), new JType("boolean"));
55    typeMapping.put(new CType("EGLenum"), new JType("int"));
56    typeMapping.put(new CType("EGLNativePixmapType"), new JType("int"));
57    typeMapping.put(new CType("EGLNativeWindowType"), new JType("int"));
58    typeMapping.put(new CType("EGLNativeDisplayType"), new JType("int"));
59    typeMapping.put(new CType("EGLClientBuffer"), new JType("int"));
60    typeMapping.put(new CType("EGLnsecsANDROID"), new JType("long"));
61
62    // EGL nonprimitive types
63    typeMapping.put(new CType("EGLConfig"), new JType("EGLConfig", true, false));
64    typeMapping.put(new CType("EGLContext"), new JType("EGLContext", true, false));
65    typeMapping.put(new CType("EGLDisplay"), new JType("EGLDisplay", true, false));
66    typeMapping.put(new CType("EGLSurface"), new JType("EGLSurface", true, false));
67
68
69    // Untyped pointers map to untyped Buffers
70    typeMapping.put(new CType("GLvoid", true, true),
71            new JType("java.nio.Buffer", true, false));
72    typeMapping.put(new CType("GLvoid", false, true),
73            new JType("java.nio.Buffer", true, false));
74    typeMapping.put(new CType("void", false, true),
75            new JType("java.nio.Buffer", true, false));
76    typeMapping.put(new CType("GLeglImageOES", false, false),
77            new JType("java.nio.Buffer", true, false));
78
79    // Typed pointers map to typed Buffers
80    typeMapping.put(new CType("GLboolean", false, true),
81            new JType("java.nio.IntBuffer", true, false));
82    typeMapping.put(new CType("GLenum", false, true),
83            new JType("java.nio.IntBuffer", true, false));
84    typeMapping.put(new CType("GLenum", true, true),
85            new JType("java.nio.IntBuffer", true, false));
86    typeMapping.put(new CType("GLfixed", false, true),
87            new JType("java.nio.IntBuffer", true, false));
88    typeMapping.put(new CType("GLfixed", true, true),
89            new JType("java.nio.IntBuffer", true, false));
90    typeMapping.put(new CType("GLfloat", false, true),
91            new JType("java.nio.FloatBuffer", true, false));
92    typeMapping.put(new CType("GLfloat", true, true),
93            new JType("java.nio.FloatBuffer", true, false));
94    typeMapping.put(new CType("GLint", false, true),
95            new JType("java.nio.IntBuffer", true, false));
96    typeMapping.put(new CType("GLint", true, true),
97            new JType("java.nio.IntBuffer", true, false));
98    typeMapping.put(new CType("GLsizei", false, true),
99            new JType("java.nio.IntBuffer", true, false));
100    typeMapping.put(new CType("GLuint", false, true),
101            new JType("java.nio.IntBuffer", true, false));
102    typeMapping.put(new CType("GLuint", true, true),
103            new JType("java.nio.IntBuffer", true, false));
104    typeMapping.put(new CType("GLshort", true, true),
105            new JType("java.nio.ShortBuffer", true, false));
106
107    // Typed pointers map to arrays + offsets
108    arrayTypeMapping.put(new CType("char", false, true),
109            new JType("byte", false, true));
110    arrayTypeMapping.put(new CType("GLboolean", false, true),
111            new JType("boolean", false, true));
112    arrayTypeMapping.put(new CType("GLenum", false, true), new JType("int", false, true));
113    arrayTypeMapping.put(new CType("GLenum", true, true), new JType("int", false, true));
114    arrayTypeMapping.put(new CType("GLfixed", true, true), new JType("int", false, true));
115    arrayTypeMapping.put(new CType("GLfixed", false, true), new JType("int", false, true));
116    arrayTypeMapping.put(new CType("GLfloat", false, true), new JType("float", false, true));
117    arrayTypeMapping.put(new CType("GLfloat", true, true), new JType("float", false, true));
118    arrayTypeMapping.put(new CType("GLint", false, true), new JType("int", false, true));
119    arrayTypeMapping.put(new CType("GLint", true, true), new JType("int", false, true));
120    arrayTypeMapping.put(new CType("GLshort", true, true), new JType("short", false, true));
121    arrayTypeMapping.put(new CType("GLsizei", false, true), new JType("int", false, true));
122    arrayTypeMapping.put(new CType("GLsizei", true, true), new JType("int", false, true));
123    arrayTypeMapping.put(new CType("GLuint", false, true), new JType("int", false, true));
124    arrayTypeMapping.put(new CType("GLuint", true, true), new JType("int", false, true));
125    arrayTypeMapping.put(new CType("GLintptr"), new JType("int", false, true));
126    arrayTypeMapping.put(new CType("GLsizeiptr"), new JType("int", false, true));
127
128    //EGL typed pointers map to arrays + offsets
129    arrayTypeMapping.put(new CType("EGLint", false, true), new JType("int", false, true));
130    arrayTypeMapping.put(new CType("EGLint", true, true), new JType("int", false, true));
131    arrayTypeMapping.put(new CType("EGLConfig", false, true), new JType("EGLConfig", true, true));
132    arrayTypeMapping.put(new CType("EGLConfig", true, true), new JType("EGLConfig", true, true));
133
134    }
135
136    public JType() {
137    }
138
139    public JType(String primitiveTypeName) {
140    this.baseType = primitiveTypeName;
141    this.isClass = false;
142    this.isArray = false;
143    }
144
145    public JType(String primitiveTypeName, boolean isClass, boolean isArray) {
146    this.baseType = primitiveTypeName;
147    this.isClass = isClass;
148    this.isArray = isArray;
149    }
150
151    public String getBaseType() {
152    return baseType;
153    }
154
155    @Override
156    public String toString() {
157    return baseType + (isArray ? "[]" : "");
158    }
159
160    public boolean isArray() {
161    return isArray;
162    }
163
164    public boolean isClass() {
165    return isClass;
166    }
167
168    public boolean isString() {
169        return baseType.equals("String");
170    }
171
172    public boolean isPrimitive() {
173    return !isClass() && !isArray();
174    }
175
176    public boolean isVoid() {
177    return baseType.equals("void");
178    }
179
180    public boolean isBuffer() {
181    return baseType.indexOf("Buffer") != -1;
182    }
183
184    public boolean isTypedBuffer() {
185    return !baseType.equals("java.nio.Buffer") &&
186        (baseType.indexOf("Buffer") != -1);
187    }
188
189    public boolean isEGLHandle() {
190    return !isPrimitive() &&
191        (baseType.startsWith("EGL"));
192    }
193
194    public static JType convert(CType ctype, boolean useArray) {
195     JType javaType = null;
196     if (useArray) {
197         javaType = arrayTypeMapping.get(ctype);
198     }
199     if (javaType == null) {
200         javaType = typeMapping.get(ctype);
201     }
202     if (javaType == null) {
203         throw new RuntimeException("Unsupported C type: " + ctype);
204     }
205     return javaType;
206    }
207}
208