| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef __VAR__H__ |
| #define __VAR__H__ |
| |
| #include "VarType.h" |
| #include <string> |
| #include <stdio.h> |
| |
| class Var { |
| public: |
| // pointer data direction - from the client point of view. |
| typedef enum { POINTER_OUT = 0x1, POINTER_IN = 0x2, POINTER_INOUT = 0x3 } PointerDir; |
| Var() : |
| m_name(""), |
| m_type(NULL), |
| m_lenExpression(""), |
| m_pointerDir(POINTER_IN), |
| m_nullAllowed(false), |
| m_isLarge(false), |
| m_packExpression(""), |
| m_writeExpression(""), |
| m_paramCheckExpression("") |
| |
| { |
| } |
| |
| Var(const std::string & name, |
| const VarType * vartype, |
| const std::string & lenExpression, |
| PointerDir dir, |
| const std::string &packExpression, |
| const std::string &writeExpression) : |
| m_name(name), |
| m_type(const_cast<VarType *>(vartype)), |
| m_lenExpression(lenExpression), |
| m_pointerDir(dir), |
| m_nullAllowed(false), |
| m_isLarge(false), |
| m_packExpression(packExpression), |
| m_writeExpression(writeExpression), |
| m_paramCheckExpression("") |
| { |
| } |
| |
| void init(const std::string name, const VarType * vartype, |
| std::string lenExpression, |
| PointerDir dir, |
| std::string packExpression, |
| std::string writeExpression) { |
| m_name = name; |
| m_type = vartype; |
| m_lenExpression = lenExpression; |
| m_packExpression = packExpression; |
| m_writeExpression = writeExpression; |
| m_pointerDir = dir; |
| m_nullAllowed = false; |
| m_isLarge = false; |
| |
| } |
| |
| const std::string & name() const { return m_name; } |
| const VarType * type() const { return m_type; } |
| bool isPointer() const { return m_type->isPointer(); } |
| bool isVoid() const { return ((m_type->bytes() == 0) && (!m_type->isPointer())); } |
| const std::string & lenExpression() const { return m_lenExpression; } |
| const std::string & packExpression() const { return(m_packExpression); } |
| const std::string & writeExpression() const { return(m_writeExpression); } |
| const std::string & paramCheckExpression() const { return m_paramCheckExpression; } |
| void setLenExpression(const std::string & lenExpression) { m_lenExpression = lenExpression; } |
| void setPackExpression(const std::string & packExpression) { m_packExpression = packExpression; } |
| void setWriteExpression(const std::string & writeExpression) { m_writeExpression = writeExpression; } |
| void setParamCheckExpression(const std::string & paramCheckExpression) { m_paramCheckExpression = paramCheckExpression; } |
| void setPointerDir(PointerDir dir) { m_pointerDir = dir; } |
| PointerDir pointerDir() { return m_pointerDir; } |
| void setNullAllowed(bool state) { m_nullAllowed = state; } |
| void setIsLarge(bool state) { m_isLarge = state; } |
| bool nullAllowed() const { return m_nullAllowed; } |
| bool isLarge() const { return m_isLarge; } |
| void printType(FILE *fp) { fprintf(fp, "%s", m_type->name().c_str()); } |
| void printTypeName(FILE *fp) { printType(fp); fprintf(fp, " %s", m_name.c_str()); } |
| |
| private: |
| std::string m_name; |
| const VarType * m_type; |
| bool m_pointer; // is this variable a pointer; |
| std::string m_lenExpression; // an expression to calcualte a pointer data size |
| PointerDir m_pointerDir; |
| bool m_nullAllowed; |
| bool m_isLarge; |
| std::string m_packExpression; // an expression to pack data into the stream |
| std::string m_writeExpression; // an expression to write data into the stream |
| std::string m_paramCheckExpression; //an expression to check parameter value |
| |
| }; |
| |
| #endif |