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Merge pull request #208 from TomHarte/SpecialCharacters

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Improves the CPC static analyser's correct file name predictions
This commit is contained in:
Thomas Harte 2017-08-17 13:25:30 -04:00 committed by GitHub
commit 9b21ef1507
2 changed files with 68 additions and 18 deletions
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58
StaticAnalyser/AmstradCPC/StaticAnalyser.cpp
View File

@ -28,19 +28,25 @@ static bool is_implied_extension(const std::string &extension) {
strcmp_insensitive(extension.c_str(), "BIN");
}
static void right_trim(std::string &string) {
string.erase(std::find_if(string.rbegin(), string.rend(), [](int ch) {
return !std::isspace(ch);
}).base(), string.end());
}
static std::string RunCommandFor(const Storage::Disk::CPM::File &file) {
// Trim spaces from the name.
std::string name = file.name;
name.erase(std::find_if(name.rbegin(), name.rend(), [](int ch) {
return !std::isspace(ch);
}).base(), name.end());
right_trim(name);
// Form the basic command.
std::string command = "run\"" + name;
// Consider whether the extension is required.
if(!is_implied_extension(file.type)) {
command += "." + file.type;
std::string type = file.type;
right_trim(type);
command += "." + type;
}
// Add a newline and return.
@ -50,14 +56,35 @@ static std::string RunCommandFor(const Storage::Disk::CPM::File &file) {
static void InspectDataCatalogue(
const Storage::Disk::CPM::Catalogue &catalogue,
StaticAnalyser::Target &target) {
// Make a copy of all files and filter out any that are marked as system.
std::vector<Storage::Disk::CPM::File> candidate_files = catalogue.files;
// Remove all files with untypable characters.
candidate_files.erase(
std::remove_if(candidate_files.begin(), candidate_files.end(), [](const Storage::Disk::CPM::File &file) {
return file.system;
for(auto c : file.name) {
if(c < 32) return true;
}
return false;
}),
candidate_files.end());
// If that leaves a mix of 'system' (i.e. hidden) and non-system files, remove the system files.
bool are_all_system = true;
for(auto &file : candidate_files) {
if(!file.system) {
are_all_system = false;
break;
}
}
if(!are_all_system) {
candidate_files.erase(
std::remove_if(candidate_files.begin(), candidate_files.end(), [](const Storage::Disk::CPM::File &file) {
return file.system;
}),
candidate_files.end());
}
// If there's just one file, run that.
if(candidate_files.size() == 1) {
target.loadingCommand = RunCommandFor(candidate_files[0]);
@ -95,6 +122,25 @@ static void InspectDataCatalogue(
return;
}
// One more guess: if only one remaining candidate file has a different name than the others,
// assume it is intended to stand out.
std::map<std::string, int> name_counts;
std::map<std::string, size_t> indices_by_name;
size_t index = 0;
for(auto &file : candidate_files) {
name_counts[file.name]++;
indices_by_name[file.name] = index;
index++;
}
if(name_counts.size() == 2) {
for(auto &pair : name_counts) {
if(pair.second == 1) {
target.loadingCommand = RunCommandFor(candidate_files[indices_by_name[pair.first]]);
return;
}
}
}
// Desperation.
target.loadingCommand = "cat\n";
}

28
Storage/Disk/Parsers/CPM.cpp
View File

@ -24,22 +24,26 @@ std::unique_ptr<Storage::Disk::CPM::Catalogue> Storage::Disk::CPM::GetCatalogue(
int track = parameters.reserved_tracks;
while(catalogue_allocation_bitmap) {
if(catalogue_allocation_bitmap & 0x8000) {
std::shared_ptr<Storage::Encodings::MFM::Sector> sector_contents = parser.get_sector(0, (uint8_t)track, (uint8_t)(parameters.first_sector + sector));
if(!sector_contents) {
return nullptr;
}
size_t size_read = 0;
do {
std::shared_ptr<Storage::Encodings::MFM::Sector> sector_contents = parser.get_sector(0, (uint8_t)track, (uint8_t)(parameters.first_sector + sector));
if(!sector_contents) {
return nullptr;
}
catalogue.insert(catalogue.end(), sector_contents->data.begin(), sector_contents->data.end());
sector_size = sector_contents->data.size();
catalogue.insert(catalogue.end(), sector_contents->data.begin(), sector_contents->data.end());
sector_size = sector_contents->data.size();
size_read += sector_size;
sector++;
if(sector == parameters.sectors_per_track) {
sector = 0;
track++;
}
} while(size_read < (size_t)parameters.block_size);
}
catalogue_allocation_bitmap <<= 1;
sector++;
if(sector == parameters.sectors_per_track) {
sector = 0;
track++;
}
}
std::unique_ptr<Catalogue> result(new Catalogue);