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GameVersion.cpp
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GameVersion.cpp
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#include "GameVersion.h"
#include "CommonRegexes.h"
#include "OSCompatibilityLayer.h"
#include "ParserHelpers.h"
#include <fstream>
GameVersion::GameVersion(std::string version)
{
if (version.empty())
{
return;
}
auto dot = version.find_first_of('.');
firstPart = std::stoi(version.substr(0, dot));
if (dot == std::string::npos)
{
return;
}
version = version.substr(dot + 1, version.size());
dot = version.find_first_of('.');
secondPart = std::stoi(version.substr(0, dot));
if (dot == std::string::npos)
{
return;
}
version = version.substr(dot + 1, version.size());
dot = version.find_first_of('.');
thirdPart = std::stoi(version.substr(0, dot));
if (dot == std::string::npos)
{
return;
}
version = version.substr(dot + 1, version.size());
dot = version.find_first_of('.');
fourthPart = std::stoi(version.substr(0, dot));
}
GameVersion::GameVersion(std::istream& theStream)
{
registerKeys();
parseStream(theStream);
clearRegisteredKeywords();
}
void GameVersion::registerKeys()
{
registerKeyword("first", [this](std::istream& theStream) {
firstPart = commonItems::getInt(theStream);
});
registerKeyword("second", [this](std::istream& theStream) {
secondPart = commonItems::getInt(theStream);
});
registerKeyword("third", [this](std::istream& theStream) {
thirdPart = commonItems::getInt(theStream);
});
registerKeyword("forth", [this](std::istream& theStream) {
fourthPart = commonItems::getInt(theStream);
});
registerRegex(commonItems::catchallRegex, commonItems::ignoreItem);
}
bool GameVersion::operator>=(const GameVersion& rhs) const
{
return *this > rhs || *this == rhs;
}
bool GameVersion::operator>(const GameVersion& rhs) const
{
auto testL = 0;
auto testR = 0;
if (firstPart)
testL = *firstPart;
if (rhs.firstPart)
testR = *rhs.firstPart;
if (testL > testR)
return true;
if (testL < testR)
return false;
testL = 0;
testR = 0;
if (secondPart)
testL = *secondPart;
if (rhs.secondPart)
testR = *rhs.secondPart;
if (testL > testR)
return true;
if (testL < testR)
return false;
testL = 0;
testR = 0;
if (thirdPart)
testL = *thirdPart;
if (rhs.thirdPart)
testR = *rhs.thirdPart;
if (testL > testR)
return true;
if (testL < testR)
return false;
testL = 0;
testR = 0;
if (fourthPart)
testL = *fourthPart;
if (rhs.fourthPart)
testR = *rhs.fourthPart;
return testL > testR;
}
bool GameVersion::operator<(const GameVersion& rhs) const
{
auto testL = 0;
auto testR = 0;
if (firstPart)
testL = *firstPart;
if (rhs.firstPart)
testR = *rhs.firstPart;
if (testL < testR)
return true;
if (testL > testR)
return false;
testL = 0;
testR = 0;
if (secondPart)
testL = *secondPart;
if (rhs.secondPart)
testR = *rhs.secondPart;
if (testL < testR)
return true;
if (testL > testR)
return false;
testL = 0;
testR = 0;
if (thirdPart)
testL = *thirdPart;
if (rhs.thirdPart)
testR = *rhs.thirdPart;
if (testL < testR)
return true;
if (testL > testR)
return false;
testL = 0;
testR = 0;
if (fourthPart)
testL = *fourthPart;
if (rhs.fourthPart)
testR = *rhs.fourthPart;
return testL < testR;
}
bool GameVersion::operator<=(const GameVersion& rhs) const
{
return *this < rhs || *this == rhs;
}
bool GameVersion::operator==(const GameVersion& rhs) const
{
auto testL = 0;
auto testR = 0;
if (firstPart)
testL = *firstPart;
if (rhs.firstPart)
testR = *rhs.firstPart;
if (testL != testR)
return false;
testL = 0;
testR = 0;
if (secondPart)
testL = *secondPart;
if (rhs.secondPart)
testR = *rhs.secondPart;
if (testL != testR)
return false;
testL = 0;
testR = 0;
if (thirdPart)
testL = *thirdPart;
if (rhs.thirdPart)
testR = *rhs.thirdPart;
if (testL != testR)
return false;
testL = 0;
testR = 0;
if (fourthPart)
testL = *fourthPart;
if (rhs.fourthPart)
testR = *rhs.fourthPart;
return testL == testR;
}
bool GameVersion::operator!=(const GameVersion& rhs) const
{
return !(*this == rhs);
}
std::ostream& operator<<(std::ostream& out, const GameVersion& version)
{
if (version.firstPart)
out << *version.firstPart << '.';
else
out << "0.";
if (version.secondPart)
out << *version.secondPart << '.';
else
out << "0.";
if (version.thirdPart)
out << *version.thirdPart << '.';
else
out << "0.";
if (version.fourthPart)
out << *version.fourthPart;
else
out << "0";
return out;
}
GameVersion::Factory::Factory()
{
registerKeyword("first", [this](std::istream& theStream) {
firstPart = commonItems::getInt(theStream);
});
registerKeyword("second", [this](std::istream& theStream) {
secondPart = commonItems::getInt(theStream);
});
registerKeyword("third", [this](std::istream& theStream) {
thirdPart = commonItems::getInt(theStream);
});
registerKeyword("forth", [this](std::istream& theStream) {
fourthPart = commonItems::getInt(theStream);
});
registerRegex(commonItems::catchallRegex, commonItems::ignoreItem);
}
GameVersion GameVersion::Factory::getVersion(std::istream& theStream)
{
firstPart.reset();
secondPart.reset();
thirdPart.reset();
fourthPart.reset();
parseStream(theStream);
return GameVersion(firstPart, secondPart, thirdPart, fourthPart);
}
std::string GameVersion::toString() const
{
std::string toReturn;
if (firstPart)
toReturn += std::to_string(*firstPart) + ".";
else
toReturn += "0.";
if (secondPart)
toReturn += std::to_string(*secondPart) + ".";
else
toReturn += "0.";
if (thirdPart)
toReturn += std::to_string(*thirdPart) + ".";
else
toReturn += "0.";
if (fourthPart)
toReturn += std::to_string(*fourthPart);
else
toReturn += "0";
return toReturn;
}
std::string GameVersion::toShortString() const
{
std::string nameString;
if (fourthPart)
nameString = "." + std::to_string(*fourthPart);
if (thirdPart)
nameString = "." + std::to_string(*thirdPart) + nameString;
if (secondPart)
nameString = "." + std::to_string(*secondPart) + nameString;
if (firstPart)
nameString = std::to_string(*firstPart) + nameString;
return nameString;
}
std::string GameVersion::toWildCard() const
{
std::string nameString;
if (fourthPart)
nameString = "." + std::to_string(*fourthPart);
else if (thirdPart)
nameString = ".*";
if (thirdPart)
nameString = "." + std::to_string(*thirdPart) + nameString;
else if (secondPart)
nameString = ".*";
if (secondPart)
nameString = "." + std::to_string(*secondPart) + nameString;
else if (firstPart)
nameString = ".*";
if (firstPart)
nameString = std::to_string(*firstPart) + nameString;
else
nameString = "*";
return nameString;
}
bool GameVersion::isLargerishThan(const GameVersion& rhs) const
{
// Largerish is intended for fuzzy comparisons like "converter works with up to 1.9",
// so everything incoming on rhs from 0.0.0.0 to 1.9.x.y will match, (where x and y are >= 0),
// thus overshooting the internal "1.9.0.0" setup. This works if ".0.0" are actually undefined.
auto testDigit = 0;
if (rhs.firstPart)
testDigit = *rhs.firstPart;
if (firstPart && testDigit > *firstPart)
return false;
if (firstPart && testDigit < *firstPart)
return true;
testDigit = 0;
if (rhs.secondPart)
testDigit = *rhs.secondPart;
if (secondPart && testDigit > *secondPart)
return false;
if (secondPart && testDigit < *secondPart)
return true;
testDigit = 0;
if (rhs.thirdPart)
testDigit = *rhs.thirdPart;
if (thirdPart && testDigit > *thirdPart)
return false;
if (thirdPart && testDigit < *thirdPart)
return true;
testDigit = 0;
if (rhs.fourthPart)
testDigit = *rhs.fourthPart;
return !fourthPart || testDigit <= *fourthPart;
}
std::optional<GameVersion> GameVersion::extractVersionFromLauncher(const std::string& filePath)
{
// use this for modern PDX games, point filePath to launcher-settings.json to get installation version.
if (!commonItems::DoesFileExist(filePath))
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " does not exist.";
return std::nullopt;
}
auto result = extractVersionByStringFromLauncher("rawVersion", filePath);
if (!result)
{
// imperator rome?
result = extractVersionByStringFromLauncher("version", filePath);
}
if (!result)
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " does not contain installation version!";
return std::nullopt;
}
return result;
}
std::optional<GameVersion> GameVersion::extractVersionByStringFromLauncher(const std::string& versionString, const std::string& filePath)
{
std::ifstream versionFile(filePath);
if (!versionFile.is_open())
return std::nullopt;
while (!versionFile.eof())
{
std::string line;
std::getline(versionFile, line);
if (line.find(versionString) == std::string::npos)
continue;
auto pos = line.find(':');
if (pos == std::string::npos)
{
versionFile.close();
return std::nullopt;
}
line = line.substr(pos + 1, line.length());
pos = line.find_first_of('\"');
if (pos == std::string::npos)
{
versionFile.close();
return std::nullopt;
}
line = line.substr(pos + 1, line.length());
pos = line.find_first_of('\"');
if (pos == std::string::npos)
{
versionFile.close();
return std::nullopt;
}
line = line.substr(0, pos);
if (!line.empty() && line[0] == 'v')
{
line = line.substr(1, line.length());
}
try
{
return GameVersion(line);
}
catch (std::exception&)
{
versionFile.close();
return std::nullopt;
}
}
versionFile.close();
return std::nullopt;
}
std::optional<GameVersion> GameVersion::extractVersionFromReadMe(const std::string& filePath)
{
// Use this for Vic2 ReadMe.txt/Readme.txt. Be sure to check both as name changes across versions, and it's not
// internally consistent on windows. Steam update from one version to another can in fact *not* change the case on
// the file, even if fresh reinstallation would!
std::ifstream versionFile(filePath);
if (!versionFile.is_open())
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " cannot be opened.";
return std::nullopt;
}
std::string line;
std::getline(versionFile, line); // skip first line
if (versionFile.eof())
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " is broken.";
return std::nullopt;
}
std::getline(versionFile, line);
auto pos = line.find(" below");
if (pos == std::string::npos)
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " is broken.";
return std::nullopt;
}
line = line.substr(0, pos);
pos = line.find_last_of(' ');
line = line.substr(pos + 1, line.length());
if (!std::isdigit(*line.begin()))
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " has broken version.";
return std::nullopt;
}
try
{
return GameVersion(line);
}
catch (std::exception& e)
{
Log(LogLevel::Warning) << "Failure extracting version: " << line << " is broken: " << e.what();
return std::nullopt;
}
}
std::optional<GameVersion> GameVersion::extractVersionFromChangeLog(const std::string& filePath)
{
// Use this to get CK2 installation version from CK2's ChangeLog.txt.
if (!commonItems::DoesFileExist(filePath))
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " does not exist.";
return std::nullopt;
}
std::ifstream versionFile(filePath);
if (!versionFile.is_open())
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " cannot be opened.";
return std::nullopt;
}
std::string line;
std::getline(versionFile, line);
std::getline(versionFile, line);
if (versionFile.eof())
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " is broken.";
return std::nullopt;
}
std::getline(versionFile, line);
auto pos = line.find_first_of(' ');
if (pos == std::string::npos)
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " has broken version.";
return std::nullopt;
}
line = line.substr(pos + 1, line.length());
pos = line.find_first_of(' ');
if (pos == std::string::npos)
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " has broken version.";
return std::nullopt;
}
line = line.substr(0, pos);
if (!std::isdigit(*line.begin()))
{
Log(LogLevel::Warning) << "Failure extracting version: " << filePath << " has broken version.";
return std::nullopt;
}
try
{
return GameVersion(line);
}
catch (std::exception& e)
{
Log(LogLevel::Warning) << "Failure extracting version: " << line << " is broken: " << e.what();
return std::nullopt;
}
}