124 lines
4.3 KiB
C++
124 lines
4.3 KiB
C++
#include <numeric>
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#include <string_view>
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#include <ranges>
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#include "hex/subcommands/subcommands.hpp"
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#include <hex/api/event_manager.hpp>
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#include <hex/api/plugin_manager.hpp>
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#include <hex/api/imhex_api.hpp>
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#include <hex/helpers/logger.hpp>
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#include <hex/helpers/fmt.hpp>
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namespace hex::subcommands {
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std::optional<SubCommand> findSubCommand(const std::string &arg) {
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for (auto &plugin : PluginManager::getPlugins()) {
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for (auto &subCommand : plugin.getSubCommands()) {
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if (hex::format("--{}", subCommand.commandKey) == arg) {
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return subCommand;
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}
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}
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}
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return std::nullopt;
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}
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void processArguments(const std::vector<std::string> &args) {
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// If no arguments, do not even try to process arguments
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// (important because this function will exit ImHex if an instance is already opened,
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// and we don't want that if no arguments were provided)
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if (args.empty()) return;
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std::vector<std::pair<SubCommand, std::vector<std::string>>> subCommands;
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auto argsIter = args.begin();
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// Get subcommand associated with the first argument
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std::optional<SubCommand> currentSubCommand = findSubCommand(*argsIter);
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if (currentSubCommand) {
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argsIter += 1;
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// If it is a valid subcommand, remove it from the argument list
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} else {
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// If no (valid) subcommand was provided, the default one is --open
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currentSubCommand = findSubCommand("--open");
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}
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// Arguments of the current subcommand
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std::vector<std::string> currentSubCommandArgs;
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// Compute all subcommands to run
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while (argsIter != args.end()) {
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const std::string &arg = *argsIter;
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if (arg == "--othercmd") {
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// Save command to run
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if (currentSubCommand) {
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subCommands.emplace_back(*currentSubCommand, currentSubCommandArgs);
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}
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currentSubCommand = std::nullopt;
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currentSubCommandArgs = { };
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} else if (currentSubCommand) {
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// Add current argument to the current command
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currentSubCommandArgs.push_back(arg);
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} else {
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// Get next subcommand from current argument
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currentSubCommand = findSubCommand(arg);
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if (!currentSubCommand) {
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log::error("No subcommand named '{}' found", arg);
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exit(EXIT_FAILURE);
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}
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}
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argsIter += 1;
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}
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// Save last command to run
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if (currentSubCommand) {
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subCommands.emplace_back(*currentSubCommand, currentSubCommandArgs);
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}
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// Run the subcommands
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for (auto& subCommandPair : subCommands) {
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subCommandPair.first.callback(subCommandPair.second);
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}
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// Exit the process if its not the main instance (the commands have been forwarded to another instance)
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if (!ImHexApi::System::isMainInstance()) {
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exit(0);
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}
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}
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void forwardSubCommand(const std::string &cmdName, const std::vector<std::string> &args) {
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log::debug("Forwarding subcommand {} (maybe to us)", cmdName);
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std::vector<u8> data;
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for (const auto &arg: args) {
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data.insert(data.end(), arg.begin(), arg.end());
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data.push_back('\0');
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}
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data.erase(data.end()-1);
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SendMessageToMainInstance::post(hex::format("command/{}", cmdName), data);
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}
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void registerSubCommand(const std::string &cmdName, const ForwardCommandHandler &handler) {
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log::debug("Registered new forward command handler: {}", cmdName);
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ImHexApi::Messaging::impl::getHandlers().insert({ hex::format("command/{}", cmdName), [handler](const std::vector<u8> &eventData){
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std::string str(reinterpret_cast<const char *>(eventData.data()), eventData.size());
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std::vector<std::string> args;
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for (const auto &arg_view : std::views::split(str, '\0')) {
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std::string arg(arg_view.data(), arg_view.size());
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args.push_back(arg);
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}
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handler(args);
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}});
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}
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}
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