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// Copyright 2012 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
// Thanks to Treeki for writing the original class - 29/01/2012
#include <cstddef>
#include <cstdio>
#include <cstring>
#include <ctime>
#include <string>
#ifdef _WIN32
#include <mmsystem.h>
#include <sys/timeb.h>
#include <windows.h>
#include "Common/CommonFuncs.h" // snprintf
#endif
#include "Common/CommonTypes.h"
#include "Common/SettingsHandler.h"
#include "Common/Timer.h"
SettingsHandler::SettingsHandler()
{
Reset();
}
const u8* SettingsHandler::GetData() const
{
return m_buffer;
}
const std::string SettingsHandler::GetValue(const std::string& key)
{
std::string delim = std::string("\r\n");
std::string toFind = delim + key + "=";
size_t found = decoded.find(toFind);
if (found != decoded.npos)
{
size_t delimFound = decoded.find(delim, found + toFind.length());
if (delimFound == decoded.npos)
delimFound = decoded.length() - 1;
return decoded.substr(found + toFind.length(), delimFound - (found + toFind.length()));
}
else
{
toFind = key + "=";
found = decoded.find(toFind);
if (found == 0)
{
size_t delimFound = decoded.find(delim, found + toFind.length());
if (delimFound == decoded.npos)
delimFound = decoded.length() - 1;
return decoded.substr(found + toFind.length(), delimFound - (found + toFind.length()));
}
}
return "";
}
void SettingsHandler::Decrypt()
{
const u8* str = m_buffer;
while (*str != 0)
{
if (m_position >= SETTINGS_SIZE)
return;
decoded.push_back((u8)(m_buffer[m_position] ^ m_key));
m_position++;
str++;
m_key = (m_key >> 31) | (m_key << 1);
}
}
void SettingsHandler::Reset()
{
decoded = "";
m_position = 0;
m_key = INITIAL_SEED;
memset(m_buffer, 0, SETTINGS_SIZE);
}
void SettingsHandler::AddSetting(const std::string& key, const std::string& value)
{
for (const char& c : key)
{
WriteByte(c);
}
WriteByte('=');
for (const char& c : value)
{
WriteByte(c);
}
WriteByte(13);
WriteByte(10);
}
void SettingsHandler::WriteByte(u8 b)
{
if (m_position >= SETTINGS_SIZE)
return;
m_buffer[m_position] = b ^ m_key;
m_position++;
m_key = (m_key >> 31) | (m_key << 1);
}
const std::string SettingsHandler::generateSerialNumber()
{
time_t rawtime;
tm* timeinfo;
char buffer[12];
char serialNumber[12];
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(buffer, 11, "%j%H%M%S", timeinfo);
snprintf(serialNumber, 11, "%s%i", buffer, (Common::Timer::GetTimeMs() >> 1) & 0xF);
serialNumber[10] = 0;
return std::string(serialNumber);
}
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