RetroShare/libretroshare/src/util/contentvalue.cc

318 lines
9.1 KiB
C++

/*******************************************************************************
* libretroshare/src/util: contentvalue.cc *
* *
* libretroshare: retroshare core library *
* *
* Copyright 2012 Christopher Evi-Parker <retroshare@lunamutt.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#include <iostream>
#include <memory.h>
#include "contentvalue.h"
const uint8_t ContentValue::BOOL_TYPE = 1;
const uint8_t ContentValue::DATA_TYPE = 2;
const uint8_t ContentValue::STRING_TYPE = 3;
const uint8_t ContentValue::DOUBLE_TYPE = 4;
const uint8_t ContentValue::INT32_TYPE = 5;
const uint8_t ContentValue::INT64_TYPE = 6;
/**************** content value implementation ******************/
typedef std::pair<std::string, uint8_t> KeyTypePair;
ContentValue::ContentValue(){
}
ContentValue::~ContentValue(){
// release resources held in data
clearData();
}
ContentValue::ContentValue(const ContentValue &from){
std::map<std::string, uint8_t> keyTypeMap;
from.getKeyTypeMap(keyTypeMap);
std::map<std::string, uint8_t>::const_iterator cit =
keyTypeMap.begin();
uint8_t type = 0;
std::string currKey;
std::string val = "";
char *src = NULL;
uint32_t data_len = 0;
for(; cit != keyTypeMap.end(); ++cit){
type = cit->second;
currKey = cit->first;
switch(type){
case INT32_TYPE:
{
int32_t value = 0;
if (from.getAsInt32(currKey, value))
put(currKey, value);
break;
}
case INT64_TYPE:
{
int64_t value = 0;
if (from.getAsInt64(currKey, value))
put(currKey, value);
break;
}
case STRING_TYPE:
{
if (from.getAsString(currKey, val))
put(currKey, val);
break;
}
case BOOL_TYPE:
{
bool value = false;
if (from.getAsBool(currKey, value))
put(currKey, value);
break;
}
case DATA_TYPE:
{
if (from.getAsData(currKey, data_len, src))
put(currKey, data_len, src);
break;
}
case DOUBLE_TYPE:
{
double value = 0;
if (from.getAsDouble(currKey, value))
put(currKey, value);
break;
}
default:
std::cerr << "ContentValue::ContentValue(ContentValue &from):"
<< "Error! Unrecognised data type!" << std::endl;
break;
}
}
}
void ContentValue::put(const std::string &key, bool value){
if(mKvSet.find(key) != mKvSet.end())
removeKeyValue(key);
mKvSet.insert(KeyTypePair(key, BOOL_TYPE));
mKvBool.insert(std::pair<std::string, bool>(key, value));
}
void ContentValue::put(const std::string &key, const std::string &value){
if(mKvSet.find(key) != mKvSet.end())
removeKeyValue(key);
mKvSet.insert(KeyTypePair(key, STRING_TYPE));
mKvString.insert(std::pair<std::string, std::string>(key, value));
}
void ContentValue::put(const std::string &key, double value){
if(mKvSet.find(key) != mKvSet.end())
removeKeyValue(key);
mKvSet.insert(KeyTypePair(key,DOUBLE_TYPE));
mKvDouble.insert(std::pair<std::string, double>(key, value));
}
void ContentValue::put(const std::string &key, int32_t value){
if(mKvSet.find(key) != mKvSet.end())
removeKeyValue(key);
mKvSet.insert(KeyTypePair(key, INT32_TYPE));
mKvInt32.insert(std::pair<std::string, int32_t>(key, value));
}
void ContentValue::put(const std::string &key, int64_t value){
if(mKvSet.find(key) != mKvSet.end())
removeKeyValue(key);
mKvSet.insert(KeyTypePair(key, INT64_TYPE));
mKvInt64.insert(std::pair<std::string, int64_t>(key, value));
}
void ContentValue::put(const std::string &key, uint32_t len, const char* value){
// release memory from old key value if key
// exists
if(mKvSet.find(key) != mKvSet.end()) {
removeKeyValue(key);
}
mKvSet.insert(KeyTypePair(key, DATA_TYPE));
char* dest = NULL;
// len is zero then just put a NULL entry
if(len != 0){
dest = new char[len];
memcpy(dest, value, len);
}
mKvData.insert(std::pair<std::string, std::pair<uint32_t, char*> >
(key, std::pair<uint32_t, char*>(len, dest)));
//delete[] dest; //Deleted by clearData()
// cppcheck-suppress memleak
}
bool ContentValue::getAsBool(const std::string &key, bool& value) const{
std::map<std::string, bool>::const_iterator it;
if((it = mKvBool.find(key)) == mKvBool.end())
return false;
value = it->second;
return true;
}
bool ContentValue::getAsInt32(const std::string &key, int32_t& value) const{
std::map<std::string, int32_t>::const_iterator it;
if((it = mKvInt32.find(key)) == mKvInt32.end())
return false;
value = it->second;
return true;
}
bool ContentValue::getAsInt64(const std::string &key, int64_t& value) const{
std::map<std::string, int64_t>::const_iterator it;
if((it = mKvInt64.find(key)) == mKvInt64.end())
return false;
value = it->second;
return true;
}
bool ContentValue::getAsString(const std::string &key, std::string &value) const{
std::map<std::string, std::string>::const_iterator it;
if((it = mKvString.find(key)) == mKvString.end())
return false;
value = it->second;
return true;
}
bool ContentValue::getAsData(const std::string& key, uint32_t &len, char*& value) const{
std::map<std::string, std::pair<uint32_t, char*> >::const_iterator it;
if((it = mKvData.find(key)) == mKvData.end())
return false;
const std::pair<uint32_t, char*> &kvRef = it->second;
len = kvRef.first;
value = kvRef.second;
return true;
}
bool ContentValue::getAsDouble(const std::string &key, double& value) const{
std::map<std::string, double>::const_iterator it;
if((it = mKvDouble.find(key)) == mKvDouble.end())
return false;
value = it->second;
return true;
}
bool ContentValue::removeKeyValue(const std::string &key){
std::map<std::string, uint8_t>::iterator mit;
if((mit = mKvSet.find(key)) == mKvSet.end())
return false;
if(mit->second == BOOL_TYPE)
mKvBool.erase(key);
if(mit->second == INT64_TYPE)
mKvInt64.erase(key);
if(mit->second == DATA_TYPE){
delete[] (mKvData[key].second);
mKvData.erase(key);
}
if(mit->second == DOUBLE_TYPE)
mKvDouble.erase(key);
if(mit->second == STRING_TYPE)
mKvString.erase(key);
if(mit->second == INT32_TYPE)
mKvInt32.erase(key);
mKvSet.erase(key);
return true;
}
void ContentValue::getKeyTypeMap(std::map<std::string, uint8_t> &keySet) const {
keySet = mKvSet;
}
void ContentValue::clear(){
mKvSet.clear();
mKvBool.clear();
mKvDouble.clear();
mKvString.clear();
mKvInt32.clear();
mKvInt64.clear();
clearData();
}
bool ContentValue::empty() const{
return mKvSet.empty();
}
void ContentValue::clearData(){
std::map<std::string, std::pair<uint32_t, char*> >::iterator
mit = mKvData.begin();
for(; mit != mKvData.end(); ++mit){
if(mit->second.first != 0)
delete[] (mit->second.second);
}
mKvData.clear();
}