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// license:BSD-3-Clause
// copyright-holders:Wilbert Pol
/***************************************************************************
softlist_dev.cpp
Software list construction helpers.
***************************************************************************/
#include "emu.h"
#include "softlist_dev.h"
#include "diimage.h"
#include "emuopts.h"
#include "romload.h"
#include "validity.h"
#include <cctype>
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
typedef std::unordered_map<std::string, const software_info *> softlist_map;
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
// device type definition
DEFINE_DEVICE_TYPE(SOFTWARE_LIST, software_list_device, "software_list", "Software List")
false_software_list_loader false_software_list_loader::s_instance;
rom_software_list_loader rom_software_list_loader::s_instance;
image_software_list_loader image_software_list_loader::s_instance;
//**************************************************************************
// SOFTWARE LIST LOADER
//**************************************************************************
//-------------------------------------------------
// false_software_list_loader::load_software
//-------------------------------------------------
bool false_software_list_loader::load_software(device_image_interface &image, software_list_device &swlist, const char *swname, const rom_entry *start_entry) const
{
return false;
}
//-------------------------------------------------
// rom_software_list_loader::load_software
//-------------------------------------------------
bool rom_software_list_loader::load_software(device_image_interface &image, software_list_device &swlist, const char *swname, const rom_entry *start_entry) const
{
swlist.machine().rom_load().load_software_part_region(image.device(), swlist, swname, start_entry);
return true;
}
//-------------------------------------------------
// image_software_list_loader::load_software
//-------------------------------------------------
bool image_software_list_loader::load_software(device_image_interface &image, software_list_device &swlist, const char *swname, const rom_entry *start_entry) const
{
return image.load_software(swlist, swname, start_entry);
}
//**************************************************************************
// SOFTWARE LIST DEVICE
//**************************************************************************
//-------------------------------------------------
// software_list_device - constructor
//-------------------------------------------------
software_list_device::software_list_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
device_t(mconfig, SOFTWARE_LIST, tag, owner, clock),
m_list_type(softlist_type::ORIGINAL_SYSTEM),
m_filter(nullptr),
m_parsed(false),
m_file(mconfig.options().hash_path(), OPEN_FLAG_READ),
m_description("")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void software_list_device::device_start()
{
}
//-------------------------------------------------
// find_approx_matches - search ourselves for
// a list of possible matches of the given name
// and optional interface
//-------------------------------------------------
void software_list_device::find_approx_matches(const std::string &name, int matches, const software_info **list, const char *interface)
{
// if no name, return
if (name.empty())
return;
// initialize everyone's states
std::vector<double> penalty(matches);
for (int matchnum = 0; matchnum < matches; matchnum++)
{
penalty[matchnum] = 2.0;
list[matchnum] = nullptr;
}
// iterate over our info (will cause a parse if needed)
std::u32string const search(ustr_from_utf8(normalize_unicode(name, unicode_normalization_form::D, true)));
for (const software_info &swinfo : get_info())
{
for (const software_part &swpart : swinfo.parts())
{
if ((interface == nullptr || swpart.matches_interface(interface)) && is_compatible(swpart) == SOFTWARE_IS_COMPATIBLE)
{
// pick the best match between driver name and description
double const longpenalty = util::edit_distance(search, ustr_from_utf8(normalize_unicode(swinfo.longname(), unicode_normalization_form::D, true)));
double const shortpenalty = util::edit_distance(search, ustr_from_utf8(normalize_unicode(swinfo.shortname(), unicode_normalization_form::D, true)));
double const curpenalty = (std::min)(longpenalty, shortpenalty);
// make sure it isn't already in the table
bool skip = false;
for (int matchnum = 0; !skip && (matchnum < matches) && list[matchnum]; matchnum++)
{
if ((penalty[matchnum] == curpenalty) && (swinfo.longname() == list[matchnum]->longname()) && (swinfo.shortname() == list[matchnum]->shortname()))
skip = true;
}
if (!skip)
{
// insert into the sorted table of matches
for (int matchnum = matches - 1; matchnum >= 0; matchnum--)
{
// stop if we're worse than the current entry
if (curpenalty >= penalty[matchnum])
break;
// as long as this isn't the last entry, bump this one down
if (matchnum < matches - 1)
{
penalty[matchnum + 1] = penalty[matchnum];
list[matchnum + 1] = list[matchnum];
}
list[matchnum] = &swinfo;
penalty[matchnum] = curpenalty;
}
}
}
}
}
}
//-------------------------------------------------
// release - reset to a pre-parsed state
//-------------------------------------------------
void software_list_device::release()
{
osd_printf_verbose("Resetting %s\n", m_file.filename());
m_parsed = false;
m_description.clear();
m_errors.clear();
m_infolist.clear();
}
//-------------------------------------------------
// find_by_name - find a software list by name
// across all software list devices
//-------------------------------------------------
software_list_device *software_list_device::find_by_name(const machine_config &config, const std::string &name)
{
// iterate over each device in the system and find a match
for (software_list_device &swlistdev : software_list_device_iterator(config.root_device()))
if (swlistdev.list_name() == name)
return &swlistdev;
return nullptr;
}
//-------------------------------------------------
// software_display_matches - display a list of
// possible matches in the system to the given
// name, across all software list devices
//-------------------------------------------------
void software_list_device::display_matches(const machine_config &config, const char *interface, const std::string &name)
{
// check if there is at least one software list
software_list_device_iterator deviter(config.root_device());
if (deviter.first() != nullptr)
osd_printf_error("\n\"%s\" approximately matches the following\n"
"supported software items (best match first):\n\n", name.c_str());
// iterate through lists
for (software_list_device &swlistdev : deviter)
{
// get the top 16 approximate matches for the selected device interface (i.e. only carts for cartslot, etc.)
const software_info *matches[16] = { nullptr };
swlistdev.find_approx_matches(name, ARRAY_LENGTH(matches), matches, interface);
// if we found some, print them
if (matches[0] != nullptr)
{
// different output depending on original system or compatible
if (swlistdev.is_original())
osd_printf_error("* Software list \"%s\" (%s) matches: \n", swlistdev.list_name(), swlistdev.description());
else
osd_printf_error("* Compatible software list \"%s\" (%s) matches: \n", swlistdev.list_name(), swlistdev.description());
// print them out
for (auto &match : matches)
{
if (match != nullptr)
osd_printf_error("%-18s%s\n", match->shortname(), match->longname());
}
osd_printf_error("\n");
}
}
}
//-------------------------------------------------
// find - find an item by name in the software
// list, using wildcards and optionally starting
// from an intermediate point
//-------------------------------------------------
const software_info *software_list_device::find(const std::string &look_for)
{
// empty search returns nothing
if (look_for.empty())
return nullptr;
const bool iswild = look_for.find_first_of("*?") != std::string::npos;
// find a match (will cause a parse if needed when calling get_info)
const auto &info_list = get_info();
auto iter = std::find_if(
info_list.begin(),
info_list.end(),
[&look_for, iswild] (const software_info &info)
{
const char *shortname = info.shortname().c_str();
return (iswild && core_strwildcmp(look_for.c_str(), shortname) == 0)
|| core_stricmp(look_for.c_str(), shortname) == 0;
});
return iter != info_list.end() ? &*iter : nullptr;
}
//-------------------------------------------------
// parse - parse our softlist file
//-------------------------------------------------
void software_list_device::parse()
{
// skip if done
if (m_parsed)
return;
// reset the errors
m_errors.clear();
// attempt to open the file
const osd_file::error filerr = m_file.open(m_list_name + ".xml");
if (filerr == osd_file::error::NONE)
{
// parse if no error
std::ostringstream errs;
softlist_parser parser(m_file, m_file.filename(), m_description, m_infolist, errs);
m_file.close();
m_errors = errs.str();
}
else
m_errors = string_format("Error opening file: %s\n", filename());
// indicate that we've been parsed
m_parsed = true;
}
//-------------------------------------------------
// is_compatible - determine if we are compatible
// with the given software_list_device
//-------------------------------------------------
software_compatibility software_list_device::is_compatible(const software_part &swpart) const
{
// get the softlist filter; if null, assume compatible
if (m_filter == nullptr)
return SOFTWARE_IS_COMPATIBLE;
// copy the comma-delimited string and ensure it ends with a final comma
std::string filt = std::string(m_filter).append(",");
// get the incompatibility filter and test against it first if it exists
const char *incompatibility = swpart.feature("incompatibility");
if (incompatibility != nullptr)
{
// copy the comma-delimited string and ensure it ends with a final comma
std::string incomp = std::string(incompatibility).append(",");
// iterate over filter items and see if they exist in the list; if so, it's incompatible
for (int start = 0, end = filt.find_first_of(',', start); end != -1; start = end + 1, end = filt.find_first_of(',', start))
{
std::string token(filt, start, end - start + 1);
if (incomp.find(token) != -1)
return SOFTWARE_IS_INCOMPATIBLE;
}
}
// get the compatibility feature; if null, assume compatible
const char *compatibility = swpart.feature("compatibility");
if (compatibility == nullptr)
return SOFTWARE_IS_COMPATIBLE;
// copy the comma-delimited string and ensure it ends with a final comma
std::string comp = std::string(compatibility).append(",");
// iterate over filter items and see if they exist in the compatibility list; if so, it's compatible
for (int start = 0, end = filt.find_first_of(',', start); end != -1; start = end + 1, end = filt.find_first_of(',', start))
{
std::string token(filt, start, end - start + 1);
if (comp.find(token) != -1)
return SOFTWARE_IS_COMPATIBLE;
}
return SOFTWARE_NOT_COMPATIBLE;
}
//-------------------------------------------------
// find_mountable_image - find an image interface
// that can automatically mount this software part
//-------------------------------------------------
device_image_interface *software_list_device::find_mountable_image(const machine_config &mconfig, const software_part &part, std::function<bool(const device_image_interface &)> filter)
{
// if automount="no", don't bother
const char *mount = part.feature("automount");
if (mount != nullptr && strcmp(mount, "no") == 0)
return nullptr;
for (device_image_interface &image : image_interface_iterator(mconfig.root_device()))
{
const char *interface = image.image_interface();
if (interface != nullptr && part.matches_interface(interface) && filter(image))
return ℑ
}
return nullptr;
}
//-------------------------------------------------
// find_mountable_image - find an image interface
// that can automatically mount this software part
//-------------------------------------------------
device_image_interface *software_list_device::find_mountable_image(const machine_config &mconfig, const software_part &part)
{
// Multi-part softlists will distribute individual images serially (e.g. - first floppy to flop1, next one to flop2
// etc). Pre MAME 0.183 relied on the core doing this distribution between calls to find_mountable_image() so it
// could check to see if the slot was empty.
//
// When softlists were refactored in MAME 0.183, this was changed to build a "plan" for what needs to be loaded, so
// it was incorrect to check the image slot. This is why an overload for find_mountable_image() was created that
// takes an std::function. This overload is being preserved for compatibility with existing code, but I regard the
// continued existence of this overload as a red flag.
return find_mountable_image(
mconfig,
part,
[](const device_image_interface &image) { return !image.exists(); });
}
//-------------------------------------------------
// device_validity_check - validate the device
// configuration
//-------------------------------------------------
void software_list_device::device_validity_check(validity_checker &valid) const
{
// add to the global map whenever we check a list so we don't re-check
// it in the future
if (valid.already_checked(std::string("softlist/").append(m_list_name).c_str()))
return;
// skip in case of quick validation
if (!valid.quick())
const_cast<software_list_device *>(this)->internal_validity_check(valid);
}
//-------------------------------------------------
// internal_validity_check - internal helper to
// check the list
//-------------------------------------------------
void software_list_device::internal_validity_check(validity_checker &valid)
{
enum { NAME_LEN_PARENT = 16, NAME_LEN_CLONE = 16, NAME_LEN_PART = 16 };
auto const valid_name_char = [] (char ch) { return ((ch >= '0') && (ch <= '9')) || ((ch >= 'a') && (ch <= 'z')) || (ch == '_'); };
auto const valid_tag_char = [] (char ch) { return ((ch >= '0') && (ch <= '9')) || ((ch >= 'a') && (ch <= 'z')) || strchr("$.:_", u8(ch)); };
auto const valid_year_char = [] (char ch) { return isdigit(u8(ch)) || (ch == '?') || (ch == '+'); };
auto const valid_label_char = [] (char ch) { return (ch >= ' ') && (ch <= '~') && !strchr("!$%/:\\", u8(ch)); };
softlist_map names;
softlist_map descriptions;
for (const software_info &swinfo : get_info())
{
// first parse and output core errors if any
if (m_errors.length() > 0)
{
osd_printf_error("%s: Errors parsing software list:\n%s", filename(), errors_string());
break;
}
// Now check if the xml data is valid:
std::string const &shortname(swinfo.shortname());
if (swinfo.longname().empty())
osd_printf_error("%s: %s has no description\n", filename(), shortname);
if (swinfo.year().empty())
osd_printf_error("%s: %s has no year\n", filename(), shortname);
if (swinfo.publisher().empty())
osd_printf_error("%s: %s has no publisher\n", filename(), shortname);
// Did we lost the software parts?
if (swinfo.parts().empty())
osd_printf_error("%s: %s has no parts\n", filename(), shortname);
// Second, since the xml is fine, run additional checks:
// check for duplicate names
auto const dupname(names.emplace(shortname, &swinfo));
if (!dupname.second)
osd_printf_error("%s: %s is a duplicate name (%s)\n", filename(), shortname, dupname.first->second->shortname());
// check for duplicate descriptions
auto const dupdesc(descriptions.emplace(swinfo.longname(), &swinfo));
if (!dupdesc.second)
osd_printf_error("%s: %s has duplicate description '%s' (%s)\n", filename(), shortname, swinfo.longname(), dupdesc.first->second->shortname());
bool const is_clone(!swinfo.parentname().empty());
if (is_clone)
{
if (swinfo.parentname() == shortname)
{
osd_printf_error("%s: %s is set as a clone of itself\n", filename(), shortname);
}
else
{
software_info const *const parent = find(swinfo.parentname());
if (!parent)
osd_printf_error("%s: %s is a clone of non-existent parent %s\n", filename(), shortname, swinfo.parentname());
else if (!parent->parentname().empty())
osd_printf_error("%s: %s is a clone %s which is a clone of %s\n", filename(), shortname, swinfo.parentname(), parent->parentname());
}
}
// make sure the driver name isn't too long
if (shortname.length() > (is_clone ? NAME_LEN_CLONE : NAME_LEN_PARENT))
osd_printf_error("%s: %s %s software name must be %d characters or less\n", filename(), shortname,
is_clone ? "clone" : "parent", is_clone ? NAME_LEN_CLONE : NAME_LEN_PARENT);
// make sure the driver name doesn't contain invalid characters
if (std::find_if_not(shortname.begin(), shortname.end(), valid_name_char) != shortname.end())
osd_printf_error("%s: %s contains invalid characters\n", filename(), shortname);
// make sure the year is only digits, '?' or '+'
if (std::find_if_not(swinfo.year().begin(), swinfo.year().end(), valid_year_char) != swinfo.year().end())
osd_printf_error("%s: %s has an invalid year '%s'\n", filename(), shortname, swinfo.year());
std::set<std::string> part_names;
for (software_part const &part : swinfo.parts())
{
if (part.interface().empty())
osd_printf_error("%s: %s part %s has no interface\n", filename(), shortname, part.name());
if (part.romdata().empty())
osd_printf_error("%s: %s part %s has no data areas\n", filename(), shortname, part.name());
if (!part_names.emplace(part.name()).second)
osd_printf_error("%s: %s part %s has duplicate name\n", filename(), shortname, part.name());
if (part.name().length() > NAME_LEN_PART)
osd_printf_error("%s: %s part %s name must be %d characters or less\n", filename(), shortname, part.name(), NAME_LEN_PART);
if (std::find_if_not(part.name().begin(), part.name().end(), valid_name_char) != part.name().end())
osd_printf_error("%s: %s part %s contains invalid characters\n", filename(), shortname, part.name());
// validate data areas
// based on ROM validation code from validity.cpp but adapted to work with rom_entry and ignore unavailable features like BIOS
if (!part.romdata().empty())
{
std::map<std::string, u32> data_area_map;
char const *last_region_name = "???";
char const *last_name = "???";
u32 current_length = 0;
int items_since_region = 1;
for (rom_entry const *romp = &part.romdata().front(); romp && !ROMENTRY_ISEND(romp); ++romp)
{
if (ROMENTRY_ISREGION(romp)) // if this is a region, make sure it's valid, and record the length
{
// if we haven't seen any items since the last region, print a warning
if (!items_since_region)
osd_printf_verbose("%s: %s part %s has empty data area '%s' (warning)\n", filename(), shortname, part.name(), last_region_name);
// reset our region tracking states
items_since_region = (ROMREGION_ISERASE(romp) || ROMREGION_ISDISKDATA(romp)) ? 1 : 0;
last_region_name = romp->name().c_str();
// check for a valid tag
if (romp->name().size() < MIN_TAG_LENGTH)
osd_printf_error("%s: %s part %s data area name '%s' is too short (mut be at least %d characters)\n", filename(), shortname, part.name(), romp->name(), MIN_TAG_LENGTH);
if (std::find_if_not(romp->name().begin(), romp->name().end(), valid_tag_char) != romp->name().end())
osd_printf_error("%s: %s part %s data area name '%s' contains invalid characters\n", filename(), shortname, part.name(), romp->name());
// attempt to add it to the map, reporting duplicates as errors
current_length = ROMREGION_GETLENGTH(romp);
if (!data_area_map.emplace(romp->name(), current_length).second)
osd_printf_error("%s: %s part %s data area has duplicate name '%s'\n", filename(), shortname, part.name(), romp->name());
}
else if (ROMENTRY_ISFILE(romp)) // if this is a file, make sure it is properly formatted
{
// track the last filename we found
last_name = romp->name().c_str();
// validate the name
if (romp->name().length() > 127)
osd_printf_error("%s: %s part %s ROM label '%s' exceeds maximum 127 characters\n", filename(), shortname, part.name(), romp->name());
if (std::find_if_not(romp->name().begin(), romp->name().end(), valid_label_char) != romp->name().end())
osd_printf_error("%s: %s part %s ROM label '%s' contains invalid characters\n", filename(), shortname, part.name(), romp->name());
// make sure the hash is valid
util::hash_collection hashes;
if (!hashes.from_internal_string(romp->hashdata().c_str()))
osd_printf_error("%s: %s part %s ROM '%s' has invalid hash string '%s'\n", filename(), shortname, part.name(), romp->name(), romp->hashdata());
}
// for any non-region ending entries, make sure they don't extend past the end
if (!ROMENTRY_ISREGIONEND(romp) && current_length > 0)
{
items_since_region++;
if (!ROMENTRY_ISIGNORE(romp) && (ROM_GETOFFSET(romp) + ROM_GETLENGTH(romp) > current_length))
osd_printf_error("%s: %s part %s ROM '%s' extends past the defined data area\n", filename(), shortname, part.name(), last_name);
}
}
// if we haven't seen any items since the last region, print a warning
if (!items_since_region)
osd_printf_verbose("%s: %s part %s has empty data area '%s' (warning)\n", filename(), shortname, part.name(), last_region_name);
}
}
}
// release all the memory
release();
}
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