gbe_fork/tools/generate_interfaces/generate_interfaces.cpp

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#include <regex>
#include <string>
#include <fstream>
#include <streambuf>
#include <iostream>
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#include <filesystem>
// these are defined in dll.cpp at the top like this:
// static char old_xxx[128] = ...
const static std::vector<std::string> interface_patterns = {
R"(SteamClient\d+)",
R"(SteamGameServerStats\d+)",
R"(SteamGameServer\d+)",
R"(SteamMatchMakingServers\d+)",
R"(SteamMatchMaking\d+)",
R"(SteamUser\d+)",
R"(SteamFriends\d+)",
R"(SteamUtils\d+)",
R"(STEAMUSERSTATS_INTERFACE_VERSION\d+)",
R"(STEAMAPPS_INTERFACE_VERSION\d+)",
R"(SteamNetworking\d+)",
R"(STEAMREMOTESTORAGE_INTERFACE_VERSION\d+)",
R"(STEAMSCREENSHOTS_INTERFACE_VERSION\d+)",
R"(STEAMHTTP_INTERFACE_VERSION\d+)",
R"(STEAMUNIFIEDMESSAGES_INTERFACE_VERSION\d+)",
R"(STEAMCONTROLLER_INTERFACE_VERSION\d+)",
R"(SteamController\d+)",
R"(STEAMUGC_INTERFACE_VERSION\d+)",
R"(STEAMAPPLIST_INTERFACE_VERSION\d+)",
R"(STEAMMUSIC_INTERFACE_VERSION\d+)",
R"(STEAMMUSICREMOTE_INTERFACE_VERSION\d+)",
R"(STEAMHTMLSURFACE_INTERFACE_VERSION_\d+)",
R"(STEAMINVENTORY_INTERFACE_V\d+)",
R"(STEAMVIDEO_INTERFACE_V\d+)",
R"(SteamMasterServerUpdater\d+)",
};
unsigned int findinterface(
std::ofstream &out_file,
const std::string &file_contents,
const std::string &interface_patt)
{
std::regex interface_regex(interface_patt);
auto begin = std::sregex_iterator(file_contents.begin(), file_contents.end(), interface_regex);
auto end = std::sregex_iterator();
unsigned int matches = 0;
for (std::sregex_iterator i = begin; i != end; ++i) {
std::smatch match = *i;
std::string match_str = match.str();
out_file << match_str << std::endl;
++matches;
}
return matches;
}
int main (int argc, char *argv[])
{
if (argc < 2) {
std::cerr << "usage: " << argv[0] << " <path to steam_api .dll or .so>" << std::endl;
return 1;
}
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std::ifstream steam_api_file(std::filesystem::u8path(argv[1]), std::ios::binary);
if (!steam_api_file.is_open()) {
std::cerr << "Error opening file" << std::endl;
return 1;
}
std::string steam_api_contents(
(std::istreambuf_iterator<char>(steam_api_file)),
std::istreambuf_iterator<char>());
steam_api_file.close();
if (steam_api_contents.size() == 0) {
std::cerr << "Error loading data" << std::endl;
return 1;
}
unsigned int total_matches = 0;
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std::ofstream out_file(std::filesystem::u8path("steam_interfaces.txt"));
if (!out_file.is_open()) {
std::cerr << "Error opening output file" << std::endl;
return 1;
}
for (const auto &patt : interface_patterns) {
total_matches += findinterface(out_file, steam_api_contents, patt);
}
out_file.close();
if (total_matches == 0) {
std::cerr << "No interfaces were found" << std::endl;
return 1;
}
return 0;
}