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      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 
     17 public 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