/
GeckoCodeConfig.cpp
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/
GeckoCodeConfig.cpp
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// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "Core/GeckoCodeConfig.h"
#include <algorithm>
#include <sstream>
#include <string>
#include <vector>
#include "Common/HttpRequest.h"
#include "Common/IniFile.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
namespace Gecko
{
std::vector<GeckoCode> DownloadCodes(std::string gameid, bool* succeeded)
{
switch (gameid[0])
{
case 'R':
case 'S':
case 'G':
break;
default:
// All channels (WiiWare, VirtualConsole, etc) are identified by their first four characters
gameid = gameid.substr(0, 4);
break;
}
std::string endpoint{"http://geckocodes.org/txt.php?txt=" + gameid};
Common::HttpRequest http;
// Circumvent high-tech DDOS protection
http.SetCookies("challenge=BitMitigate.com;");
const Common::HttpRequest::Response response = http.Get(endpoint);
*succeeded = response.has_value();
if (!response)
return {};
// temp vector containing parsed codes
std::vector<GeckoCode> gcodes;
// parse the codes
std::istringstream ss(reinterpret_cast<const char*>(response->data()));
std::string line;
// seek past the header, get to the first code
std::getline(ss, line);
std::getline(ss, line);
std::getline(ss, line);
int read_state = 0;
GeckoCode gcode;
while ((std::getline(ss, line).good()))
{
// Remove \r at the end of the line for files using windows line endings, std::getline only
// removes \n
line = StripSpaces(line);
if (line.empty())
{
// add the code
if (gcode.codes.size())
gcodes.push_back(gcode);
gcode = GeckoCode();
read_state = 0;
continue;
}
switch (read_state)
{
// read new code
case 0:
{
std::istringstream ssline(line);
// stop at [ character (beginning of contributor name)
std::getline(ssline, gcode.name, '[');
gcode.name = StripSpaces(gcode.name);
gcode.user_defined = true;
// read the code creator name
std::getline(ssline, gcode.creator, ']');
read_state = 1;
}
break;
// read code lines
case 1:
{
std::istringstream ssline(line);
std::string addr, data;
ssline >> addr >> data;
ssline.seekg(0);
// check if this line a code, silly, but the dumb txt file comment lines can start with
// valid hex chars :/
if (8 == addr.length() && 8 == data.length())
{
GeckoCode::Code new_code;
new_code.original_line = line;
ssline >> std::hex >> new_code.address >> new_code.data;
gcode.codes.push_back(new_code);
}
else
{
gcode.notes.push_back(line);
read_state = 2; // start reading comments
}
}
break;
// read comment lines
case 2:
// append comment line
gcode.notes.push_back(line);
break;
}
}
// add the last code
if (gcode.codes.size())
gcodes.push_back(gcode);
return gcodes;
}
std::vector<GeckoCode> LoadCodes(const IniFile& globalIni, const IniFile& localIni)
{
std::vector<GeckoCode> gcodes;
for (const IniFile* ini : {&globalIni, &localIni})
{
std::vector<std::string> lines;
ini->GetLines("Gecko", &lines, false);
GeckoCode gcode;
lines.erase(std::remove_if(lines.begin(), lines.end(),
[](const auto& line) { return line.empty() || line[0] == '#'; }),
lines.end());
for (auto& line : lines)
{
std::istringstream ss(line);
switch ((line)[0])
{
// enabled or disabled code
case '+':
ss.seekg(1);
case '$':
if (gcode.name.size())
gcodes.push_back(gcode);
gcode = GeckoCode();
gcode.enabled = (1 == ss.tellg()); // silly
gcode.user_defined = (ini == &localIni);
ss.seekg(1, std::ios_base::cur);
// read the code name
std::getline(ss, gcode.name, '['); // stop at [ character (beginning of contributor name)
gcode.name = StripSpaces(gcode.name);
// read the code creator name
std::getline(ss, gcode.creator, ']');
break;
// notes
case '*':
gcode.notes.push_back(std::string(++line.begin(), line.end()));
break;
// either part of the code, or an option choice
default:
{
GeckoCode::Code new_code;
// TODO: support options
new_code.original_line = line;
ss >> std::hex >> new_code.address >> new_code.data;
gcode.codes.push_back(new_code);
}
break;
}
}
// add the last code
if (gcode.name.size())
{
gcodes.push_back(gcode);
}
ini->GetLines("Gecko_Enabled", &lines, false);
for (const std::string& line : lines)
{
if (line.empty() || line[0] != '$')
{
continue;
}
for (GeckoCode& ogcode : gcodes)
{
// Exclude the initial '$' from the comparison.
if (line.compare(1, std::string::npos, ogcode.name) == 0)
{
ogcode.enabled = true;
}
}
}
}
return gcodes;
}
static std::string MakeGeckoCodeTitle(const GeckoCode& code)
{
std::string title = '$' + code.name;
if (!code.creator.empty())
{
title += " [" + code.creator + ']';
}
return title;
}
// used by the SaveGeckoCodes function
static void SaveGeckoCode(std::vector<std::string>& lines, std::vector<std::string>& enabledLines,
const GeckoCode& gcode)
{
if (gcode.enabled)
enabledLines.push_back('$' + gcode.name);
if (!gcode.user_defined)
return;
lines.push_back(MakeGeckoCodeTitle(gcode));
// save all the code lines
for (const GeckoCode::Code& code : gcode.codes)
{
lines.push_back(code.original_line);
}
// save the notes
for (const std::string& note : gcode.notes)
lines.push_back('*' + note);
}
void SaveCodes(IniFile& inifile, const std::vector<GeckoCode>& gcodes)
{
std::vector<std::string> lines;
std::vector<std::string> enabledLines;
for (const GeckoCode& geckoCode : gcodes)
{
SaveGeckoCode(lines, enabledLines, geckoCode);
}
inifile.SetLines("Gecko", lines);
inifile.SetLines("Gecko_Enabled", enabledLines);
}
}