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Added an %INJECT% variable for injecting launch arguments from game config files.

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This commit is contained in:
Leon Styhre 2022-05-21 11:43:17 +02:00
parent b19527633f
commit bfba994d07
1 changed files with 93 additions and 0 deletions
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93
es-app/src/FileData.cpp
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@ -1282,6 +1282,99 @@ void FileData::launchGame()
}
}
std::string injectFile;
const size_t injectPos {command.find("%INJECT%")};
if (injectPos != std::string::npos) {
bool invalidEntry {false};
if (injectPos + 10 >= command.size())
invalidEntry = true;
else if (command[injectPos + 8] != '=')
invalidEntry = true;
if (!invalidEntry && command[injectPos + 9] == '\"') {
size_t closingQuotation {command.find("\"", injectPos + 10)};
if (closingQuotation != std::string::npos) {
injectFile = command.substr(injectPos + 10, closingQuotation - injectPos - 10);
command = command.replace(injectPos, closingQuotation - injectPos + 2, "");
}
else {
invalidEntry = true;
}
}
else if (!invalidEntry) {
size_t spacePos {command.find(" ", injectPos)};
if (spacePos != std::string::npos) {
injectFile = command.substr(injectPos + 9, spacePos - injectPos - 9);
command = command.replace(injectPos, spacePos - injectPos + 1, "");
}
else {
injectFile = command.substr(injectPos + 9, command.size() - injectPos);
command = command.replace(injectPos, command.size() - injectPos, "");
}
}
if (invalidEntry) {
LOG(LogError) << "Couldn't launch game, invalid %INJECT% entry";
LOG(LogError) << "Raw emulator launch command:";
LOG(LogError) << commandRaw;
window->queueInfoPopup("ERROR: INVALID %INJECT% VARIABLE ENTRY", 6000);
window->setAllowTextScrolling(true);
window->setAllowFileAnimation(true);
return;
}
}
if (injectFile != "") {
#if defined(_WIN64)
injectFile = Utils::String::replace(injectFile, "\\", "/");
injectFile = Utils::String::replace(injectFile, "%BASENAME%",
Utils::String::replace(baseName, "\"", ""));
if (injectFile.size() < 3 || !(injectFile[1] == ':' && injectFile[2] == '/'))
injectFile = Utils::FileSystem::getParent(Utils::String::replace(romPath, "\"", "")) +
"/" + injectFile;
injectFile = Utils::String::replace(injectFile, "/", "\\");
#else
injectFile = Utils::String::replace(injectFile, "%BASENAME%",
Utils::String::replace(baseName, "\\", ""));
if (injectFile.front() != '/')
injectFile = Utils::FileSystem::getParent(Utils::String::replace(romPath, "\\", "")) +
"/" + injectFile;
#endif
if (Utils::FileSystem::isRegularFile(injectFile) ||
Utils::FileSystem::isSymlink(injectFile)) {
LOG(LogDebug) << "FileData::launchGame(): Injecting arguments from file \""
<< injectFile << "\"";
std::string arguments;
std::ifstream injectFileStream;
injectFileStream.open(injectFile);
for (std::string line; getline(injectFileStream, line);)
arguments += line;
injectFileStream.close();
if (arguments.empty()) {
LOG(LogDebug) << "FileData::launchGame(): File empty or insufficient permissions, "
"nothing to inject";
}
else if (arguments.size() > 4096) {
LOG(LogWarning)
<< "FileData::launchGame(): Arguments file exceeding maximum allowed size of "
"4096 bytes, skipping injection";
}
else {
command.insert(injectPos, arguments + " ");
}
}
else {
LOG(LogDebug) << "FileData::launchGame(): Arguments file \"" << injectFile
<< "\" does not exist, skipping injection";
}
}
#if defined(_WIN64)
if (escapeSpecials) {
bool foundSpecial {false};