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CLK/Analyser/Static/StaticAnalyser.cpp
Thomas Harte abfc73299e Update remainder of 'Analyser'.
2024-11-29 21:08:35 -05:00

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//
// StaticAnalyser.cpp
// Clock Signal
//
// Created by Thomas Harte on 23/08/2016.
// Copyright 2016 Thomas Harte. All rights reserved.
//
#include "StaticAnalyser.hpp"
#include <algorithm>
#include <cstddef>
#include <cstdlib>
#include <cstring>
#include <iterator>
// Analysers
#include "Acorn/StaticAnalyser.hpp"
#include "Amiga/StaticAnalyser.hpp"
#include "AmstradCPC/StaticAnalyser.hpp"
#include "AppleII/StaticAnalyser.hpp"
#include "AppleIIgs/StaticAnalyser.hpp"
#include "Atari2600/StaticAnalyser.hpp"
#include "AtariST/StaticAnalyser.hpp"
#include "Coleco/StaticAnalyser.hpp"
#include "Commodore/StaticAnalyser.hpp"
#include "DiskII/StaticAnalyser.hpp"
#include "Enterprise/StaticAnalyser.hpp"
#include "FAT12/StaticAnalyser.hpp"
#include "Macintosh/StaticAnalyser.hpp"
#include "MSX/StaticAnalyser.hpp"
#include "Oric/StaticAnalyser.hpp"
#include "PCCompatible/StaticAnalyser.hpp"
#include "Sega/StaticAnalyser.hpp"
#include "ZX8081/StaticAnalyser.hpp"
#include "ZXSpectrum/StaticAnalyser.hpp"
// Cartridges
#include "../../Storage/Cartridge/Formats/BinaryDump.hpp"
#include "../../Storage/Cartridge/Formats/PRG.hpp"
// Disks
#include "../../Storage/Disk/DiskImage/Formats/2MG.hpp"
#include "../../Storage/Disk/DiskImage/Formats/AcornADF.hpp"
#include "../../Storage/Disk/DiskImage/Formats/AmigaADF.hpp"
#include "../../Storage/Disk/DiskImage/Formats/AppleDSK.hpp"
#include "../../Storage/Disk/DiskImage/Formats/CPCDSK.hpp"
#include "../../Storage/Disk/DiskImage/Formats/D64.hpp"
#include "../../Storage/Disk/DiskImage/Formats/G64.hpp"
#include "../../Storage/Disk/DiskImage/Formats/DMK.hpp"
#include "../../Storage/Disk/DiskImage/Formats/FAT12.hpp"
#include "../../Storage/Disk/DiskImage/Formats/HFE.hpp"
#include "../../Storage/Disk/DiskImage/Formats/IPF.hpp"
#include "../../Storage/Disk/DiskImage/Formats/IMD.hpp"
#include "../../Storage/Disk/DiskImage/Formats/MacintoshIMG.hpp"
#include "../../Storage/Disk/DiskImage/Formats/MSA.hpp"
#include "../../Storage/Disk/DiskImage/Formats/NIB.hpp"
#include "../../Storage/Disk/DiskImage/Formats/OricMFMDSK.hpp"
#include "../../Storage/Disk/DiskImage/Formats/PCBooter.hpp"
#include "../../Storage/Disk/DiskImage/Formats/SSD.hpp"
#include "../../Storage/Disk/DiskImage/Formats/STX.hpp"
#include "../../Storage/Disk/DiskImage/Formats/WOZ.hpp"
// Mass Storage Devices (i.e. usually, hard disks)
#include "../../Storage/MassStorage/Formats/DAT.hpp"
#include "../../Storage/MassStorage/Formats/DSK.hpp"
#include "../../Storage/MassStorage/Formats/HDV.hpp"
#include "../../Storage/MassStorage/Formats/HFV.hpp"
// State Snapshots
#include "../../Storage/State/SNA.hpp"
#include "../../Storage/State/SZX.hpp"
#include "../../Storage/State/Z80.hpp"
// Tapes
#include "../../Storage/Tape/Formats/CAS.hpp"
#include "../../Storage/Tape/Formats/CommodoreTAP.hpp"
#include "../../Storage/Tape/Formats/CSW.hpp"
#include "../../Storage/Tape/Formats/OricTAP.hpp"
#include "../../Storage/Tape/Formats/TapePRG.hpp"
#include "../../Storage/Tape/Formats/TapeUEF.hpp"
#include "../../Storage/Tape/Formats/TZX.hpp"
#include "../../Storage/Tape/Formats/ZX80O81P.hpp"
#include "../../Storage/Tape/Formats/ZXSpectrumTAP.hpp"
// Target Platform Types
#include "../../Storage/TargetPlatforms.hpp"
template<class> inline constexpr bool always_false_v = false;
using namespace Analyser::Static;
using namespace Storage;
namespace {
std::string get_extension(const std::string &name) {
// Get the extension, if any; it will be assumed that extensions are reliable, so an extension is a broad-phase
// test as to file format.
std::string::size_type final_dot = name.find_last_of(".");
if(final_dot == std::string::npos) return name;
std::string extension = name.substr(final_dot + 1);
std::transform(extension.begin(), extension.end(), extension.begin(), ::tolower);
return extension;
}
class MediaAccumulator {
public:
MediaAccumulator(const std::string &file_name, TargetPlatform::IntType &potential_platforms) :
file_name_(file_name), potential_platforms_(potential_platforms), extension_(get_extension(file_name)) {}
/// Adds @c instance to the media collection and adds @c platforms to the set of potentials.
/// If @c instance is an @c TargetPlatform::TypeDistinguisher then it is given an opportunity to restrict the set of potentials.
template <typename InstanceT>
void insert(const TargetPlatform::IntType platforms, std::shared_ptr<InstanceT> instance) {
if constexpr (std::is_base_of_v<Storage::Disk::Disk, InstanceT>) {
media.disks.push_back(instance);
} else if constexpr (std::is_base_of_v<Storage::Tape::Tape, InstanceT>) {
media.tapes.push_back(instance);
} else if constexpr (std::is_base_of_v<Storage::Cartridge::Cartridge, InstanceT>) {
media.cartridges.push_back(instance);
} else if constexpr (std::is_base_of_v<Storage::MassStorage::MassStorageDevice, InstanceT>) {
media.mass_storage_devices.push_back(instance);
} else {
static_assert(always_false_v<InstanceT>, "Unexpected type encountered.");
}
potential_platforms_ |= platforms;
// Check whether the instance itself has any input on target platforms.
TargetPlatform::TypeDistinguisher *const distinguisher =
dynamic_cast<TargetPlatform::TypeDistinguisher *>(instance.get());
if(distinguisher) potential_platforms_ &= distinguisher->target_platform_type();
}
/// Concstructs a new instance of @c InstanceT supplying @c args and adds it to the back of @c list using @c insert_instance.
template <typename InstanceT, typename... Args>
void insert(const TargetPlatform::IntType platforms, Args &&... args) {
insert(platforms, std::make_shared<InstanceT>(std::forward<Args>(args)...));
}
/// Calls @c insert with the specified parameters, ignoring any exceptions thrown.
template <typename InstanceT, typename... Args>
void try_insert(const TargetPlatform::IntType platforms, Args &&... args) {
try {
insert<InstanceT>(platforms, std::forward<Args>(args)...);
} catch(...) {}
}
/// Performs a @c try_insert for an object of @c InstanceT if @c extension matches that of the file name,
/// providing the file name as the only construction argument.
template <typename InstanceT>
void try_standard(const TargetPlatform::IntType platforms, const char *extension) {
if(name_matches(extension)) {
try_insert<InstanceT>(platforms, file_name_);
}
}
bool name_matches(const char *const extension) {
return extension_ == extension;
}
Media media;
private:
const std::string &file_name_;
TargetPlatform::IntType &potential_platforms_;
const std::string extension_;
};
}
static Media GetMediaAndPlatforms(const std::string &file_name, TargetPlatform::IntType &potential_platforms) {
MediaAccumulator accumulator(file_name, potential_platforms);
// 2MG
if(accumulator.name_matches("2mg")) {
// 2MG uses a factory method; defer to it.
try {
const auto media = Disk::Disk2MG::open(file_name);
std::visit([&](auto &&arg) {
using Type = typename std::decay<decltype(arg)>::type;
if constexpr (std::is_same<Type, std::nullptr_t>::value) {
// It's valid for no media to be returned.
} else if constexpr (std::is_same<Type, Disk::DiskImageHolderBase *>::value) {
accumulator.insert(TargetPlatform::DiskII, std::shared_ptr<Disk::DiskImageHolderBase>(arg));
} else if constexpr (std::is_same<Type, MassStorage::MassStorageDevice *>::value) {
// TODO: or is it Apple IIgs?
accumulator.insert(TargetPlatform::AppleII, std::shared_ptr<MassStorage::MassStorageDevice>(arg));
} else {
static_assert(always_false_v<Type>, "Unexpected type encountered.");
}
}, media);
} catch(...) {}
}
accumulator.try_standard<Tape::ZX80O81P>(TargetPlatform::ZX8081, "80");
accumulator.try_standard<Tape::ZX80O81P>(TargetPlatform::ZX8081, "81");
accumulator.try_standard<Cartridge::BinaryDump>(TargetPlatform::Atari2600, "a26");
accumulator.try_standard<Disk::DiskImageHolder<Disk::AcornADF>>(TargetPlatform::Acorn, "adf");
accumulator.try_standard<Disk::DiskImageHolder<Disk::AmigaADF>>(TargetPlatform::Amiga, "adf");
accumulator.try_standard<Disk::DiskImageHolder<Disk::AcornADF>>(TargetPlatform::Acorn, "adl");
accumulator.try_standard<Cartridge::BinaryDump>(TargetPlatform::AllCartridge, "bin");
accumulator.try_standard<Tape::CAS>(TargetPlatform::MSX, "cas");
accumulator.try_standard<Tape::TZX>(TargetPlatform::AmstradCPC, "cdt");
accumulator.try_standard<Cartridge::BinaryDump>(TargetPlatform::Coleco, "col");
accumulator.try_standard<Tape::CSW>(TargetPlatform::AllTape, "csw");
accumulator.try_standard<Disk::DiskImageHolder<Disk::D64>>(TargetPlatform::Commodore, "d64");
accumulator.try_standard<MassStorage::DAT>(TargetPlatform::Acorn, "dat");
accumulator.try_standard<Disk::DiskImageHolder<Disk::DMK>>(TargetPlatform::MSX, "dmk");
accumulator.try_standard<Disk::DiskImageHolder<Disk::AppleDSK>>(TargetPlatform::DiskII, "do");
accumulator.try_standard<Disk::DiskImageHolder<Disk::SSD>>(TargetPlatform::Acorn, "dsd");
accumulator.try_standard<Disk::DiskImageHolder<Disk::CPCDSK>>(
TargetPlatform::AmstradCPC | TargetPlatform::Oric | TargetPlatform::ZXSpectrum, "dsk");
accumulator.try_standard<Disk::DiskImageHolder<Disk::AppleDSK>>(TargetPlatform::DiskII, "dsk");
accumulator.try_standard<Disk::DiskImageHolder<Disk::MacintoshIMG>>(TargetPlatform::Macintosh, "dsk");
accumulator.try_standard<MassStorage::HFV>(TargetPlatform::Macintosh, "dsk");
accumulator.try_standard<MassStorage::DSK>(TargetPlatform::Macintosh, "dsk");
accumulator.try_standard<Disk::DiskImageHolder<Disk::FAT12>>(TargetPlatform::MSX, "dsk");
accumulator.try_standard<Disk::DiskImageHolder<Disk::OricMFMDSK>>(TargetPlatform::Oric, "dsk");
accumulator.try_standard<Disk::DiskImageHolder<Disk::G64>>(TargetPlatform::Commodore, "g64");
accumulator.try_standard<MassStorage::HDV>(TargetPlatform::AppleII, "hdv");
accumulator.try_standard<Disk::DiskImageHolder<Disk::HFE>>(
TargetPlatform::Acorn | TargetPlatform::AmstradCPC | TargetPlatform::Commodore |
TargetPlatform::Oric | TargetPlatform::ZXSpectrum,
"hfe"); // TODO: switch to AllDisk once the MSX stops being so greedy.
accumulator.try_standard<Disk::DiskImageHolder<Disk::FAT12>>(TargetPlatform::PCCompatible, "ima");
accumulator.try_standard<Disk::DiskImageHolder<Disk::MacintoshIMG>>(TargetPlatform::Macintosh, "image");
accumulator.try_standard<Disk::DiskImageHolder<Disk::IMD>>(TargetPlatform::PCCompatible, "imd");
accumulator.try_standard<Disk::DiskImageHolder<Disk::MacintoshIMG>>(TargetPlatform::Macintosh, "img");
// Treat PC booter as a potential backup only if this doesn't parse as a FAT12.
if(accumulator.name_matches("img")) {
try {
accumulator.insert<Disk::DiskImageHolder<Disk::FAT12>>(TargetPlatform::FAT12, file_name);
} catch(...) {
accumulator.try_standard<Disk::DiskImageHolder<Disk::PCBooter>>(TargetPlatform::PCCompatible, "img");
}
}
accumulator.try_standard<Disk::DiskImageHolder<Disk::IPF>>(
TargetPlatform::Amiga | TargetPlatform::AtariST | TargetPlatform::AmstradCPC | TargetPlatform::ZXSpectrum,
"ipf");
accumulator.try_standard<Disk::DiskImageHolder<Disk::MSA>>(TargetPlatform::AtariST, "msa");
accumulator.try_standard<Cartridge::BinaryDump>(TargetPlatform::MSX, "mx2");
accumulator.try_standard<Disk::DiskImageHolder<Disk::NIB>>(TargetPlatform::DiskII, "nib");
accumulator.try_standard<Tape::ZX80O81P>(TargetPlatform::ZX8081, "o");
accumulator.try_standard<Tape::ZX80O81P>(TargetPlatform::ZX8081, "p");
accumulator.try_standard<Disk::DiskImageHolder<Disk::AppleDSK>>(TargetPlatform::DiskII, "po");
if(accumulator.name_matches("po")) {
accumulator.try_insert<Disk::DiskImageHolder<Disk::MacintoshIMG>>(
TargetPlatform::AppleIIgs,
file_name, Disk::MacintoshIMG::FixedType::GCR);
}
accumulator.try_standard<Tape::ZX80O81P>(TargetPlatform::ZX8081, "p81");
if(accumulator.name_matches("prg")) {
// Try instantiating as a ROM; failing that accept as a tape.
try {
accumulator.insert<Cartridge::PRG>(TargetPlatform::Commodore, file_name);
} catch(...) {
try {
accumulator.insert<Tape::PRG>(TargetPlatform::Commodore, file_name);
} catch(...) {}
}
}
accumulator.try_standard<Cartridge::BinaryDump>(
TargetPlatform::AcornElectron | TargetPlatform::Coleco | TargetPlatform::MSX,
"rom");
accumulator.try_standard<Cartridge::BinaryDump>(TargetPlatform::Sega, "sg");
accumulator.try_standard<Cartridge::BinaryDump>(TargetPlatform::Sega, "sms");
accumulator.try_standard<Disk::DiskImageHolder<Disk::SSD>>(TargetPlatform::Acorn, "ssd");
accumulator.try_standard<Disk::DiskImageHolder<Disk::FAT12>>(TargetPlatform::AtariST, "st");
accumulator.try_standard<Disk::DiskImageHolder<Disk::STX>>(TargetPlatform::AtariST, "stx");
accumulator.try_standard<Tape::CommodoreTAP>(TargetPlatform::Commodore, "tap");
accumulator.try_standard<Tape::OricTAP>(TargetPlatform::Oric, "tap");
accumulator.try_standard<Tape::ZXSpectrumTAP>(TargetPlatform::ZXSpectrum, "tap");
accumulator.try_standard<Tape::TZX>(TargetPlatform::MSX, "tsx");
accumulator.try_standard<Tape::TZX>(TargetPlatform::ZX8081 | TargetPlatform::ZXSpectrum, "tzx");
accumulator.try_standard<Tape::UEF>(TargetPlatform::Acorn, "uef");
accumulator.try_standard<Disk::DiskImageHolder<Disk::WOZ>>(TargetPlatform::DiskII, "woz");
return accumulator.media;
}
Media Analyser::Static::GetMedia(const std::string &file_name) {
TargetPlatform::IntType throwaway;
return GetMediaAndPlatforms(file_name, throwaway);
}
TargetList Analyser::Static::GetTargets(const std::string &file_name) {
const std::string extension = get_extension(file_name);
TargetList targets;
// Check whether the file directly identifies a target; if so then just return that.
const auto try_snapshot = [&](const char *ext, auto loader) -> bool {
if(extension != ext) {
return false;
}
try {
auto target = loader(file_name);
if(target) {
targets.push_back(std::move(target));
return true;
}
} catch(...) {}
return false;
};
if(try_snapshot("sna", Storage::State::SNA::load)) return targets;
if(try_snapshot("szx", Storage::State::SZX::load)) return targets;
if(try_snapshot("z80", Storage::State::Z80::load)) return targets;
// Otherwise:
//
// Collect all disks, tapes ROMs, etc as can be extrapolated from this file, forming the
// union of all platforms this file might be a target for.
TargetPlatform::IntType potential_platforms = 0;
Media media = GetMediaAndPlatforms(file_name, potential_platforms);
// Hand off to platform-specific determination of whether these
// things are actually compatible and, if so, how to load them.
const auto append = [&](TargetPlatform::IntType platform, auto evaluator) {
if(!(potential_platforms & platform)) {
return;
}
auto new_targets = evaluator(media, file_name, potential_platforms);
std::move(new_targets.begin(), new_targets.end(), std::back_inserter(targets));
};
append(TargetPlatform::Acorn, Acorn::GetTargets);
append(TargetPlatform::AmstradCPC, AmstradCPC::GetTargets);
append(TargetPlatform::AppleII, AppleII::GetTargets);
append(TargetPlatform::AppleIIgs, AppleIIgs::GetTargets);
append(TargetPlatform::Amiga, Amiga::GetTargets);
append(TargetPlatform::Atari2600, Atari2600::GetTargets);
append(TargetPlatform::AtariST, AtariST::GetTargets);
append(TargetPlatform::Coleco, Coleco::GetTargets);
append(TargetPlatform::Commodore, Commodore::GetTargets);
append(TargetPlatform::DiskII, DiskII::GetTargets);
append(TargetPlatform::Enterprise, Enterprise::GetTargets);
append(TargetPlatform::FAT12, FAT12::GetTargets);
append(TargetPlatform::Macintosh, Macintosh::GetTargets);
append(TargetPlatform::MSX, MSX::GetTargets);
append(TargetPlatform::Oric, Oric::GetTargets);
append(TargetPlatform::PCCompatible, PCCompatible::GetTargets);
append(TargetPlatform::Sega, Sega::GetTargets);
append(TargetPlatform::ZX8081, ZX8081::GetTargets);
append(TargetPlatform::ZXSpectrum, ZXSpectrum::GetTargets);
// Reset any tapes to their initial position.
for(const auto &target : targets) {
for(auto &tape : target->media.tapes) {
tape->reset();
}
}
// Sort by initial confidence. Use a stable sort in case any of the machine-specific analysers
// picked their insertion order carefully.
std::stable_sort(targets.begin(), targets.end(),
[] (const std::unique_ptr<Target> &a, const std::unique_ptr<Target> &b) {
return a->confidence > b->confidence;
});
return targets;
}
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