JType.java revision 4e7de461c18278a31be83e7c9074a02fbb6e9475 
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    typeMapping.put(new CType("GLuint64"), new JType("long"));
52    typeMapping.put(new CType("GLsync"), new JType("long"));
53
54    // EGL primitive types
55    typeMapping.put(new CType("EGLint"), new JType("int"));
56    typeMapping.put(new CType("EGLBoolean"), new JType("boolean"));
57    typeMapping.put(new CType("EGLenum"), new JType("int"));
58    typeMapping.put(new CType("EGLNativePixmapType"), new JType("int"));
59    typeMapping.put(new CType("EGLNativeWindowType"), new JType("int"));
60    typeMapping.put(new CType("EGLNativeDisplayType"), new JType("long"));
61    typeMapping.put(new CType("EGLClientBuffer"), new JType("long"));
62    typeMapping.put(new CType("EGLnsecsANDROID"), new JType("long"));
63
64    // EGL nonprimitive types
65    typeMapping.put(new CType("EGLConfig"), new JType("EGLConfig", true, false));
66    typeMapping.put(new CType("EGLContext"), new JType("EGLContext", true, false));
67    typeMapping.put(new CType("EGLDisplay"), new JType("EGLDisplay", true, false));
68    typeMapping.put(new CType("EGLSurface"), new JType("EGLSurface", true, false));
69
70
71    // Untyped pointers map to untyped Buffers
72    typeMapping.put(new CType("GLvoid", true, true),
73            new JType("java.nio.Buffer", true, false));
74    typeMapping.put(new CType("GLvoid", false, true),
75            new JType("java.nio.Buffer", true, false));
76    typeMapping.put(new CType("void", false, true),
77            new JType("java.nio.Buffer", true, false));
78    typeMapping.put(new CType("GLeglImageOES", false, false),
79            new JType("java.nio.Buffer", true, false));
80
81    // Typed pointers map to typed Buffers
82    typeMapping.put(new CType("GLboolean", false, true),
83            new JType("java.nio.IntBuffer", true, false));
84    typeMapping.put(new CType("GLenum", false, true),
85            new JType("java.nio.IntBuffer", true, false));
86    typeMapping.put(new CType("GLenum", true, true),
87            new JType("java.nio.IntBuffer", true, false));
88    typeMapping.put(new CType("GLfixed", false, true),
89            new JType("java.nio.IntBuffer", true, false));
90    typeMapping.put(new CType("GLfixed", true, true),
91            new JType("java.nio.IntBuffer", true, false));
92    typeMapping.put(new CType("GLfloat", false, true),
93            new JType("java.nio.FloatBuffer", true, false));
94    typeMapping.put(new CType("GLfloat", true, true),
95            new JType("java.nio.FloatBuffer", true, false));
96    typeMapping.put(new CType("GLint", false, true),
97            new JType("java.nio.IntBuffer", true, false));
98    typeMapping.put(new CType("GLint", true, true),
99            new JType("java.nio.IntBuffer", true, false));
100    typeMapping.put(new CType("GLsizei", false, true),
101            new JType("java.nio.IntBuffer", true, false));
102    typeMapping.put(new CType("GLuint", false, true),
103            new JType("java.nio.IntBuffer", true, false));
104    typeMapping.put(new CType("GLuint", true, true),
105            new JType("java.nio.IntBuffer", true, false));
106    typeMapping.put(new CType("GLshort", true, true),
107            new JType("java.nio.ShortBuffer", true, false));
108    typeMapping.put(new CType("GLint64", false, true),
109            new JType("java.nio.LongBuffer", true, false));
110
111    // Typed pointers map to arrays + offsets
112    arrayTypeMapping.put(new CType("char", false, true),
113            new JType("byte", false, true));
114    arrayTypeMapping.put(new CType("GLboolean", false, true),
115            new JType("boolean", false, true));
116    arrayTypeMapping.put(new CType("GLenum", false, true), new JType("int", false, true));
117    arrayTypeMapping.put(new CType("GLenum", true, true), new JType("int", false, true));
118    arrayTypeMapping.put(new CType("GLfixed", true, true), new JType("int", false, true));
119    arrayTypeMapping.put(new CType("GLfixed", false, true), new JType("int", false, true));
120    arrayTypeMapping.put(new CType("GLfloat", false, true), new JType("float", false, true));
121    arrayTypeMapping.put(new CType("GLfloat", true, true), new JType("float", false, true));
122    arrayTypeMapping.put(new CType("GLint", false, true), new JType("int", false, true));
123    arrayTypeMapping.put(new CType("GLint", true, true), new JType("int", false, true));
124    arrayTypeMapping.put(new CType("GLshort", true, true), new JType("short", false, true));
125    arrayTypeMapping.put(new CType("GLsizei", false, true), new JType("int", false, true));
126    arrayTypeMapping.put(new CType("GLsizei", true, true), new JType("int", false, true));
127    arrayTypeMapping.put(new CType("GLuint", false, true), new JType("int", false, true));
128    arrayTypeMapping.put(new CType("GLuint", true, true), new JType("int", false, true));
129    arrayTypeMapping.put(new CType("GLintptr"), new JType("int", false, true));
130    arrayTypeMapping.put(new CType("GLsizeiptr"), new JType("int", false, true));
131    arrayTypeMapping.put(new CType("GLint64", false, true), new JType("long", false, true));
132
133    //EGL typed pointers map to arrays + offsets
134    arrayTypeMapping.put(new CType("EGLint", false, true), new JType("int", false, true));
135    arrayTypeMapping.put(new CType("EGLint", true, true), new JType("int", false, true));
136    arrayTypeMapping.put(new CType("EGLConfig", false, true), new JType("EGLConfig", true, true));
137    arrayTypeMapping.put(new CType("EGLConfig", true, true), new JType("EGLConfig", true, true));
138
139    }
140
141    public JType() {
142    }
143
144    public JType(String primitiveTypeName) {
145    this.baseType = primitiveTypeName;
146    this.isClass = false;
147    this.isArray = false;
148    }
149
150    public JType(String primitiveTypeName, boolean isClass, boolean isArray) {
151    this.baseType = primitiveTypeName;
152    this.isClass = isClass;
153    this.isArray = isArray;
154    }
155
156    public String getBaseType() {
157    return baseType;
158    }
159
160    @Override
161    public String toString() {
162    return baseType + (isArray ? "[]" : "");
163    }
164
165    public boolean isArray() {
166    return isArray;
167    }
168
169    public boolean isClass() {
170    return isClass;
171    }
172
173    public boolean isString() {
174        return baseType.equals("String");
175    }
176
177    public boolean isPrimitive() {
178    return !isClass() && !isArray();
179    }
180
181    public boolean isVoid() {
182    return baseType.equals("void");
183    }
184
185    public boolean isBuffer() {
186    return baseType.indexOf("Buffer") != -1;
187    }
188
189    public boolean isTypedBuffer() {
190    return !baseType.equals("java.nio.Buffer") &&
191        (baseType.indexOf("Buffer") != -1);
192    }
193
194    public JType getArrayTypeForTypedBuffer() {
195      if (!isTypedBuffer()) {
196          throw new RuntimeException("Not typed buffer type " + this);
197      }
198      switch (baseType) {
199        case "java.nio.ByteBuffer":
200          return new JType("byte", false, true);
201        case "java.nio.BooleanBuffer":
202          return new JType("boolean", false, true);
203        case "java.nio.ShortBuffer":
204          return new JType("short", false, true);
205        case "java.nio.CharBuffer":
206          return new JType("char", false, true);
207        case "java.nio.IntBuffer":
208          return new JType("int", false, true);
209        case "java.nio.LongBuffer":
210          return new JType("long", false, true);
211        case "java.nio.FloatBuffer":
212          return new JType("float", false, true);
213        case "java.nio.DoubleBuffer":
214          return new JType("double", false, true);
215        default:
216          throw new RuntimeException("Unknown typed buffer type " + this);
217      }
218    }
219
220    public String getArrayGetterForPrimitiveArray() {
221      if (!isArray() || isClass()) {
222          throw new RuntimeException("Not array type " + this);
223      }
224      switch (baseType) {
225        case "byte":
226          return "GetByteArrayElements";
227        case "boolean":
228          return "GetBooleanArrayElements";
229        case "short":
230          return "GetShortArrayElements";
231        case "char":
232          return "GetCharArrayElements";
233        case "int":
234          return "GetIntArrayElements";
235        case "long":
236          return "GetLongArrayElements";
237        case "float":
238          return "GetFloatArrayElements";
239        case "double":
240          return "GetDoubleArrayElements";
241        default:
242          throw new RuntimeException("Unknown array type " + this);
243      }
244    }
245
246    public String getArrayReleaserForPrimitiveArray() {
247      if (!isArray() || isClass()) {
248          throw new RuntimeException("Not array type " + this);
249      }
250      switch (baseType) {
251        case "byte":
252          return "ReleaseByteArrayElements";
253        case "boolean":
254          return "ReleaseBooleanArrayElements";
255        case "short":
256          return "ReleaseShortArrayElements";
257        case "char":
258          return "ReleaseCharArrayElements";
259        case "int":
260          return "ReleaseIntArrayElements";
261        case "long":
262          return "ReleaseLongArrayElements";
263        case "float":
264          return "ReleaseFloatArrayElements";
265        case "double":
266          return "ReleaseDoubleArrayElements";
267        default:
268          throw new RuntimeException("Unknown array type " + this);
269      }
270    }
271
272    public boolean isEGLHandle() {
273    return !isPrimitive() &&
274        (baseType.startsWith("EGL"));
275    }
276
277    public static JType convert(CType ctype, boolean useArray) {
278     JType javaType = null;
279     if (useArray) {
280         javaType = arrayTypeMapping.get(ctype);
281     }
282     if (javaType == null) {
283         javaType = typeMapping.get(ctype);
284     }
285     if (javaType == null) {
286         throw new RuntimeException("Unsupported C type: " + ctype);
287     }
288     return javaType;
289    }
290}
291