platform_system_core/nexus/Property.h

138 lines
4.0 KiB
C++

/*
* Copyright (C) 2008 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 _PROPERTY_H
#define _PROPERTY_H
#include <netinet/in.h>
#include <utils/List.h>
class Property {
const char *mName;
bool mReadOnly;
int mType;
int mNumElements;
public:
static const int NameMaxSize = 128;
static const int ValueMaxSize = 255;
static const int Type_STRING = 1;
static const int Type_INTEGER = 2;
static const int Type_IPV4 = 3;
Property(const char *name, bool ro, int type, int elements);
virtual ~Property() {}
virtual int set(int idx, const char *value) = 0;
virtual int set(int idx, int value) = 0;
virtual int set(int idx, struct in_addr *value) = 0;
virtual int get(int idx, char *buffer, size_t max) = 0;
virtual int get(int idx, int *buffer) = 0;
virtual int get(int idx, struct in_addr *buffer) = 0;
int getType() { return mType; }
bool getReadOnly() { return mReadOnly; }
int getNumElements() { return mNumElements; }
const char *getName() { return mName; }
};
class StringProperty : public Property {
public:
StringProperty(const char *name, bool ro, int elements);
virtual ~StringProperty() {}
virtual int set(int idx, const char *value) = 0;
int set(int idx, int value);
int set(int idx, struct in_addr *value);
virtual int get(int idx, char *buffer, size_t max) = 0;
int get(int idx, int *buffer);
int get(int idx, struct in_addr *buffer);
};
class StringPropertyHelper : public StringProperty {
char *mBuffer;
size_t mMax;
public:
StringPropertyHelper(const char *name, bool ro,
char *buffer, size_t max);
int set(int idx, const char *value);
int get(int idx, char *buffer, size_t max);
};
class IntegerProperty : public Property {
public:
IntegerProperty(const char *name, bool ro, int elements);
virtual ~IntegerProperty() {}
int set(int idx, const char *value);
virtual int set(int idx, int value) = 0;
int set(int idx, struct in_addr *value);
int get(int idx, char *buffer, size_t max);
virtual int get(int idx, int *buffer) = 0;
int get(int idx, struct in_addr *buffer);
};
class IntegerPropertyHelper : public IntegerProperty {
int *mBuffer;
public:
IntegerPropertyHelper(const char *name, bool ro, int *buffer);
int set(int idx, int value);
int get(int idx, int *buffer);
};
class IPV4AddressProperty : public Property {
public:
IPV4AddressProperty(const char *name, bool ro, int elements);
virtual ~IPV4AddressProperty() {}
int set(int idx, const char *value);
int set(int idx, int value);
virtual int set(int idx, struct in_addr *value) = 0;
int get(int idx, char *buffer, size_t max);
int get(int idx, int *buffer);
virtual int get(int idx, struct in_addr *buffer) = 0;
};
class IPV4AddressPropertyHelper : public IPV4AddressProperty {
struct in_addr *mBuffer;
public:
IPV4AddressPropertyHelper(const char *name, bool ro, struct in_addr *buf);
int set(int idx, struct in_addr *value);
int get(int idx, struct in_addr *buffer);
};
typedef android::List<Property *> PropertyCollection;
class PropertyNamespace {
char *mName;
PropertyCollection *mProperties;
public:
PropertyNamespace(const char *name);
virtual ~PropertyNamespace();
const char *getName() { return mName; }
PropertyCollection *getProperties() { return mProperties; }
};
typedef android::List<PropertyNamespace *> PropertyNamespaceCollection;
#endif