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118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
//
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// StaticAnalyser.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 23/08/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#include "StaticAnalyser.hpp"
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#include <cstdlib>
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// Analysers
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#include "Acorn/StaticAnalyser.hpp"
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#include "Atari/StaticAnalyser.hpp"
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#include "Commodore/StaticAnalyser.hpp"
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// Cartridges
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#include "../Storage/Cartridge/Formats/BinaryDump.hpp"
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#include "../Storage/Cartridge/Formats/PRG.hpp"
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// Disks
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#include "../Storage/Disk/Formats/D64.hpp"
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#include "../Storage/Disk/Formats/G64.hpp"
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// Tapes
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#include "../Storage/Tape/Formats/CommodoreTAP.hpp"
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#include "../Storage/Tape/Formats/TapePRG.hpp"
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#include "../Storage/Tape/Formats/TapeUEF.hpp"
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typedef int TargetPlatformType;
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enum class TargetPlatform: TargetPlatformType {
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Acorn = 1 << 0,
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Atari2600 = 1 << 1,
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Commodore = 1 << 2
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};
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using namespace StaticAnalyser;
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std::list<Target> StaticAnalyser::GetTargets(const char *file_name)
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{
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std::list<Target> targets;
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// Get the extension, if any; it will be assumed that extensions are reliable, so an extension is a broad-phase
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// test as to file format.
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const char *mixed_case_extension = strrchr(file_name, '.');
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char *lowercase_extension = nullptr;
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if(mixed_case_extension)
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{
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lowercase_extension = strdup(mixed_case_extension+1);
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char *parser = lowercase_extension;
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while(*parser)
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{
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*parser = (char)tolower(*parser);
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parser++;
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}
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}
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// Collect all disks, tapes and ROMs as can be extrapolated from this file, forming the
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// union of all platforms this file might be a target for.
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std::list<std::shared_ptr<Storage::Disk::Disk>> disks;
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std::list<std::shared_ptr<Storage::Tape::Tape>> tapes;
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std::list<std::shared_ptr<Storage::Cartridge::Cartridge>> cartridges;
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TargetPlatformType potential_platforms = 0;
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#define Insert(list, class, platforms) \
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list.emplace_back(new Storage::class(file_name));\
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potential_platforms |= (TargetPlatformType)(platforms);\
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#define TryInsert(list, class, platforms) \
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try {\
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Insert(list, class, platforms) \
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} catch(...) {}
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#define Format(extension, list, class, platforms) \
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if(!strcmp(lowercase_extension, extension)) \
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{ \
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TryInsert(list, class, platforms) \
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}
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Format("a26", cartridges, Cartridge::BinaryDump, TargetPlatform::Atari2600) // A26
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Format("bin", cartridges, Cartridge::BinaryDump, TargetPlatform::Atari2600) // BIN
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Format("d64", disks, Disk::D64, TargetPlatform::Commodore) // D64
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Format("g64", disks, Disk::G64, TargetPlatform::Commodore) // G64
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// PRG
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if(!strcmp(lowercase_extension, "prg"))
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{
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// try instantiating as a ROM; failing that accept as a tape
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try {
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Insert(cartridges, Cartridge::PRG, TargetPlatform::Commodore)
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}
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catch(...)
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{
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try {
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Insert(tapes, Tape::PRG, TargetPlatform::Commodore)
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} catch(...) {}
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}
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}
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// ROM
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Format("rom", cartridges, Cartridge::BinaryDump, TargetPlatform::Acorn) // ROM
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Format("tap", tapes, Tape::CommodoreTAP, TargetPlatform::Commodore) // TAP
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Format("uef", tapes, Tape::UEF, TargetPlatform::Acorn) // UEF (tape)
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#undef Format
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#undef Insert
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// Hand off to platform-specific determination of whether these things are actually compatible and,
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// if so, how to load them. (TODO)
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if(potential_platforms & (TargetPlatformType)TargetPlatform::Acorn) Acorn::AddTargets(disks, tapes, cartridges, targets);
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if(potential_platforms & (TargetPlatformType)TargetPlatform::Commodore) Commodore::AddTargets(disks, tapes, cartridges, targets);
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if(potential_platforms & (TargetPlatformType)TargetPlatform::Atari2600) Atari::AddTargets(disks, tapes, cartridges, targets);
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free(lowercase_extension);
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return targets;
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}
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