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CLK/Analyser/Static/Enterprise/StaticAnalyser.cpp
2021-07-15 21:57:25 -04:00

85 lines
2.3 KiB
C++

//
// StaticAnalyser.cpp
// Clock Signal
//
// Created by Thomas Harte on 24/06/2021.
// Copyright 2021 Thomas Harte. All rights reserved.
//
#include "StaticAnalyser.hpp"
#include "Target.hpp"
#include "../../../Storage/Disk/Parsers/FAT.hpp"
#include <algorithm>
namespace {
bool insensitive_equal(const std::string &lhs, const std::string &rhs) {
return std::equal(
lhs.begin(), lhs.end(),
rhs.begin(), rhs.end(),
[] (char l, char r) {
return tolower(l) == tolower(r);
});
}
}
Analyser::Static::TargetList Analyser::Static::Enterprise::GetTargets(const Media &media, const std::string &, TargetPlatform::IntType) {
// This analyser can comprehend disks only.
if(media.disks.empty()) return {};
// Otherwise, assume a return will happen.
Analyser::Static::TargetList targets;
using Target = Analyser::Static::Enterprise::Target;
auto *const target = new Target;
target->media = media;
// Always require a BASIC.
target->basic_version = Target::BASICVersion::Any;
// Inspect any supplied disks.
if(!media.disks.empty()) {
// DOS will be needed.
target->dos = Target::DOS::EXDOS;
// Grab the volume information, which includes the root directory.
auto volume = Storage::Disk::FAT::GetVolume(media.disks.front());
if(volume) {
// If there's an EXDOS.INI then this disk should be able to boot itself.
// If not but if there's only one visible .COM or .BAS, automatically load
// that. Otherwise, issue a :DIR.
using File = Storage::Disk::FAT::File;
const File *selected_file = nullptr;
bool has_exdos_ini = false;
bool did_pick_file = false;
for(const auto &file: (*volume).root_directory) {
if(insensitive_equal(file.name, "exdos") && insensitive_equal(file.extension, "ini")) {
has_exdos_ini = true;
break;
}
if(!(file.attributes & File::Attribute::Hidden) &&
(insensitive_equal(file.extension, "com") || insensitive_equal(file.extension, "bas"))
) {
did_pick_file = !selected_file;
selected_file = &file;
}
}
if(!has_exdos_ini) {
if(did_pick_file) {
target->loading_command = std::string("run \"") + selected_file->name + "." + selected_file->extension + "\"\n";
} else {
target->loading_command = ":dir\n";
}
}
}
}
targets.push_back(std::unique_ptr<Analyser::Static::Target>(target));
return targets;
}