mirror of https://github.com/bsnes-emu/bsnes.git
73 lines
3.0 KiB
C++
73 lines
3.0 KiB
C++
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auto Icarus::superFamicomManifest(const string& location) -> string {
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vector<uint8_t> buffer;
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auto files = directory::files(location, "*.rom");
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concatenate(buffer, {location, "program.rom"});
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concatenate(buffer, {location, "data.rom" });
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for(auto& file : files.match("*.boot.rom" )) concatenate(buffer, {location, file});
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for(auto& file : files.match("*.program.rom")) concatenate(buffer, {location, file});
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for(auto& file : files.match("*.data.rom" )) concatenate(buffer, {location, file});
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return superFamicomManifest(buffer, location);
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}
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auto Icarus::superFamicomManifest(vector<uint8_t>& buffer, const string& location) -> string {
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SuperFamicomCartridge cartridge{buffer.data(), buffer.size()};
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if(auto markup = cartridge.markup) {
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markup.append("\n");
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markup.append("information\n");
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markup.append(" sha256: ", Hash::SHA256(buffer.data(), buffer.size()).digest(), "\n");
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markup.append(" title: ", location.prefixname(), "\n");
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markup.append(" note: ", "heuristically generated by icarus\n");
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return markup;
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}
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return "";
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}
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auto Icarus::superFamicomImport(vector<uint8_t>& buffer, const string& location) -> bool {
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auto name = location.prefixname();
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auto source = location.pathname();
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string target{settings.libraryPath, "Super Famicom/", name, ".sfc/"};
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//if(directory::exists(target)) return failure("game already exists");
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SuperFamicomCartridge cartridge{buffer.data(), buffer.size()};
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auto markup = cartridge.markup;
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if(!markup) return failure("does not appear to be a valid image");
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vector<Markup::Node> roms;
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auto document = BML::unserialize(markup);
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superFamicomImportScanManifest(roms, document);
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for(auto rom : roms) {
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auto name = rom["name"].text();
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auto size = rom["size"].decimal();
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if(name == "program.rom" || name == "data.rom" || cartridge.firmware_appended) continue;
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if(file::size({source, name}) != size) return failure({"firmware (", name, ") missing or invalid"});
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}
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markup.append("\n");
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markup.append("information\n");
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markup.append(" title: ", name, "\n");
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markup.append(" note: ", "heuristically generated by icarus\n");
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if(!directory::create(target)) return failure("library path unwritable");
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if(settings.createManifests) file::write({target, "manifest.bml"}, markup);
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unsigned offset = (buffer.size() & 0x7fff) == 512 ? 512 : 0; //skip header if present
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for(auto rom : roms) {
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auto name = rom["name"].text();
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auto size = rom["size"].decimal();
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if(name == "program.rom" || name == "data.rom" || cartridge.firmware_appended) {
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file::write({target, name}, buffer.data() + offset, size);
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offset += size;
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} else {
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auto firmware = file::read({source, name});
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file::write({target, name}, firmware);
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}
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}
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return success();
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}
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auto Icarus::superFamicomImportScanManifest(vector<Markup::Node>& roms, Markup::Node node) -> void {
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if(node.name() == "rom") roms.append(node);
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for(auto leaf : node) superFamicomImportScanManifest(roms, leaf);
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}
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