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Command option extraction for GDB monitor commands

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2022-12-10 14:54:38 +00:00
parent b8c83c87fc
commit 8f48a30fa3
4 changed files with 94 additions and 9 deletions
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78
src/DebugServer/Gdb/CommandPackets/Monitor.cpp
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@@ -13,18 +13,82 @@ namespace Bloom::DebugServer::Gdb::CommandPackets
Monitor::Monitor(const RawPacket& rawPacket)
: CommandPacket(rawPacket)
{
if (this->data.size() > 6) {
const auto decodedCommand = Packet::hexToData(
std::string(this->data.begin() + 6, this->data.end())
);
this->command = std::string(decodedCommand.begin(), decodedCommand.end());
this->command.erase(this->command.find_last_not_of(" ") + 1);
if (this->data.size() <= 6) {
return;
}
const auto decodedCommand = Packet::hexToData(
std::string(this->data.begin() + 6, this->data.end())
);
this->command = std::string(decodedCommand.begin(), decodedCommand.end());
this->command.erase(this->command.find_last_not_of(" ") + 1);
this->commandOptions = this->extractCommandOptions(this->command);
}
void Monitor::handle(DebugSession& debugSession, TargetControllerConsole& targetControllerConsole) {
Logger::error("Unknown custom GDB command (\"" + this->command + "\") received.");
debugSession.connection.writePacket(EmptyResponsePacket());
}
std::map<std::string, std::optional<std::string>> Monitor::extractCommandOptions(const std::string& command) {
auto output = std::map<std::string, std::optional<std::string>>();
for (std::string::size_type cmdIndex = 1; cmdIndex < command.size(); ++cmdIndex) {
const auto cmdChar = command.at(cmdIndex);
if (cmdChar == '-') {
if (command.at(cmdIndex - 1) != '-') {
continue;
}
auto option = std::string();
auto optionValue = std::optional<std::string>();
bool quoted = false;
auto optIndex = std::string::size_type(0);
for (optIndex = cmdIndex + 1; optIndex < command.size(); ++optIndex) {
const auto optChar = command.at(optIndex);
if (!option.empty() && ((!quoted && optChar == ' ') || (quoted && optChar == '"'))) {
output.insert(std::pair(option, optionValue));
option.clear();
optionValue.reset();
quoted = false;
cmdIndex = optIndex;
break;
}
if (optionValue.has_value()) {
if (optChar == '"' && !quoted && optionValue->empty()) {
quoted = true;
continue;
}
optionValue->push_back(optChar);
continue;
}
if (optChar == '=') {
optionValue = std::string();
continue;
}
option.push_back(optChar);
continue;
}
if (!option.empty()) {
output.insert(std::pair(option, optionValue));
cmdIndex = optIndex;
}
}
}
return output;
}
}