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Merge pull request #293 from TomHarte/ROMExposition

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Adds user-facing information about which ROMs a machine attempted to load if it fails.
This commit is contained in:
Thomas Harte 2017-11-21 16:24:23 -08:00 committed by GitHub
commit b887cb7255
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 40 additions and 30 deletions
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70
OSBindings/SDL/main.cpp
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@ -280,40 +280,50 @@ int main(int argc, char *argv[]) {
//
// /usr/local/share/CLK/[system]; or
// /usr/share/CLK/[system]
bool roms_loaded = machine->crt_machine()->set_rom_fetcher( [] (const std::string &machine, const std::vector<std::string> &names) -> std::vector<std::unique_ptr<std::vector<uint8_t>>> {
std::vector<std::unique_ptr<std::vector<uint8_t>>> results;
for(auto &name: names) {
std::string local_path = "/usr/local/share/CLK/" + machine + "/" + name;
FILE *file = std::fopen(local_path.c_str(), "rb");
if(!file) {
std::string path = "/usr/share/CLK/" + machine + "/" + name;
file = std::fopen(path.c_str(), "rb");
std::vector<std::string> rom_names;
std::string machine_name;
bool roms_loaded = machine->crt_machine()->set_rom_fetcher( [&rom_names, &machine_name]
(const std::string &machine, const std::vector<std::string> &names) -> std::vector<std::unique_ptr<std::vector<uint8_t>>> {
rom_names.insert(rom_names.end(), names.begin(), names.end());
machine_name = machine;
std::vector<std::unique_ptr<std::vector<uint8_t>>> results;
for(auto &name: names) {
std::string local_path = "/usr/local/share/CLK/" + machine + "/" + name;
FILE *file = std::fopen(local_path.c_str(), "rb");
if(!file) {
std::string path = "/usr/share/CLK/" + machine + "/" + name;
file = std::fopen(path.c_str(), "rb");
}
if(!file) {
results.emplace_back(nullptr);
continue;
}
std::unique_ptr<std::vector<uint8_t>> data(new std::vector<uint8_t>);
std::fseek(file, 0, SEEK_END);
data->resize(std::ftell(file));
std::fseek(file, 0, SEEK_SET);
std::size_t read = fread(data->data(), 1, data->size(), file);
std::fclose(file);
if(read == data->size())
results.emplace_back(std::move(data));
else
results.emplace_back(nullptr);
}
if(!file) {
results.emplace_back(nullptr);
continue;
}
std::unique_ptr<std::vector<uint8_t>> data(new std::vector<uint8_t>);
std::fseek(file, 0, SEEK_END);
data->resize(std::ftell(file));
std::fseek(file, 0, SEEK_SET);
std::size_t read = fread(data->data(), 1, data->size(), file);
std::fclose(file);
if(read == data->size())
results.emplace_back(std::move(data));
else
results.emplace_back(nullptr);
}
return results;
});
return results;
});
if(!roms_loaded) {
std::cerr << "Could not find system ROMs; please install to /usr/local/share/CLK/ or /usr/share/CLK/" << std::endl;
std::cerr << "Could not find system ROMs; please install to /usr/local/share/CLK/ or /usr/share/CLK/." << std::endl;
std::cerr << "One or more of the following were needed but not found:" << std::endl;
for(auto &name: rom_names) {
std::cerr << machine_name << '/' << name << std::endl;
}
return -1;
}