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      1 /*
      2 * Copyright (C) 2011 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 #ifndef __VARTYPE__H__
     17 #define __VARTYPE__H__
     18 
     19 #include <string>
     20 
     21 class VarConverter {
     22 public:
     23     VarConverter(size_t bytes) : m_bytes(bytes) {}
     24     size_t bytes() const { return m_bytes; }
     25 private:
     26     size_t m_bytes;
     27 };
     28 
     29 class Var8 : public VarConverter {
     30 public:
     31     Var8() : VarConverter(1) {}
     32 };
     33 
     34 class Var16 : public VarConverter {
     35 public:
     36     Var16() : VarConverter(2) {}
     37 };
     38 
     39 class Var32 : public VarConverter {
     40 public:
     41     Var32() : VarConverter(4) {}
     42 };
     43 
     44 class Var0 : public VarConverter {
     45 public:
     46     Var0() : VarConverter(0) {}
     47 };
     48 
     49 
     50 class VarType {
     51 public:
     52     VarType() :
     53         m_id(0), m_name("default_constructed"), m_converter(NULL), m_printFomrat("0x%x"), m_isPointer(false)
     54     {
     55     }
     56 
     57     VarType(size_t id, const std::string & name, const VarConverter * converter, const std::string & printFormat , const bool isPointer) :
     58         m_id(id), m_name(name), m_converter(const_cast<VarConverter *>(converter)), m_printFomrat(printFormat), m_isPointer(isPointer)
     59     {
     60     }
     61 
     62     ~VarType()
     63     {
     64     }
     65     const std::string & name() const { return m_name; }
     66     const std::string & printFormat() const { return m_printFomrat; }
     67     size_t bytes() const { return m_converter->bytes(); }
     68     bool isPointer() const { return m_isPointer; }
     69     size_t id() const { return m_id; }
     70 private:
     71     size_t m_id;
     72     std::string m_name;
     73     VarConverter * m_converter;
     74     std::string m_printFomrat;
     75     bool m_isPointer;
     76 };
     77 
     78 #endif
     79