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// license:BSD-3-Clause
// copyright-holders:Nathan Woods
/****************************************************************************
library.cpp
Code relevant to the Imgtool library; analogous to the MESS/MAME driver
list.
****************************************************************************/
#include <string.h>
#include <algorithm>
#include "imgtool.h"
#include "library.h"
#include "pool.h"
namespace imgtool {
//-------------------------------------------------
// ctor
//-------------------------------------------------
library::library()
{
m_pool = pool_alloc_lib(nullptr);
if (!m_pool)
throw std::bad_alloc();
}
//-------------------------------------------------
// dtor
//-------------------------------------------------
library::~library()
{
pool_free_lib(m_pool);
}
//-------------------------------------------------
// add_class
//-------------------------------------------------
void library::add_class(const imgtool_class *imgclass)
{
char *s1, *s2;
// allocate the module and place it in the chain
m_modules.emplace_back(std::make_unique<imgtool_module>());
imgtool_module *module = m_modules.back().get();
memset(module, 0, sizeof(*module));
// extensions have a weird format
s1 = imgtool_get_info_string(imgclass, IMGTOOLINFO_STR_FILE_EXTENSIONS);
s2 = (char*)imgtool_library_malloc(strlen(s1) + 1);
strcpy(s2, s1);
module->extensions = s2;
module->imgclass = *imgclass;
module->name = imgtool_library_strdup(imgtool_get_info_string(imgclass, IMGTOOLINFO_STR_NAME));
module->description = imgtool_library_strdup(imgtool_get_info_string(imgclass, IMGTOOLINFO_STR_DESCRIPTION));
module->eoln = imgtool_library_strdup_allow_null(imgtool_get_info_string(imgclass, IMGTOOLINFO_STR_EOLN));
module->initial_path_separator = imgtool_get_info_int(imgclass, IMGTOOLINFO_INT_INITIAL_PATH_SEPARATOR) ? 1 : 0;
module->open_is_strict = imgtool_get_info_int(imgclass, IMGTOOLINFO_INT_OPEN_IS_STRICT) ? 1 : 0;
module->tracks_are_called_cylinders = imgtool_get_info_int(imgclass, IMGTOOLINFO_INT_TRACKS_ARE_CALLED_CYLINDERS) ? 1 : 0;
module->writing_untested = imgtool_get_info_int(imgclass, IMGTOOLINFO_INT_WRITING_UNTESTED) ? 1 : 0;
module->creation_untested = imgtool_get_info_int(imgclass, IMGTOOLINFO_INT_CREATION_UNTESTED) ? 1 : 0;
module->open = (imgtoolerr_t (*)(imgtool::image &, imgtool::stream::ptr &&)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_OPEN);
module->create = (imgtoolerr_t (*)(imgtool::image &, imgtool::stream::ptr &&, util::option_resolution *)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_CREATE);
module->close = (void (*)(imgtool::image &)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_CLOSE);
module->info = (void (*)(imgtool::image &, std::ostream &)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_INFO);
module->read_sector = (imgtoolerr_t (*)(imgtool::image &, uint32_t, uint32_t, uint32_t, std::vector<uint8_t> &)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_READ_SECTOR);
module->write_sector = (imgtoolerr_t (*)(imgtool::image &, uint32_t, uint32_t, uint32_t, const void *, size_t)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_WRITE_SECTOR);
module->get_geometry = (imgtoolerr_t (*)(imgtool::image &, uint32_t *, uint32_t *, uint32_t *))imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_GET_GEOMETRY);
module->read_block = (imgtoolerr_t (*)(imgtool::image &, void *, uint64_t)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_READ_BLOCK);
module->write_block = (imgtoolerr_t (*)(imgtool::image &, const void *, uint64_t)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_WRITE_BLOCK);
module->list_partitions = (imgtoolerr_t (*)(imgtool::image &, std::vector<imgtool::partition_info> &)) imgtool_get_info_fct(imgclass, IMGTOOLINFO_PTR_LIST_PARTITIONS);
module->block_size = imgtool_get_info_int(imgclass, IMGTOOLINFO_INT_BLOCK_SIZE);
module->createimage_optguide = (const util::option_guide *) imgtool_get_info_ptr(imgclass, IMGTOOLINFO_PTR_CREATEIMAGE_OPTGUIDE);
module->createimage_optspec = imgtool_library_strdup_allow_null((const char*)imgtool_get_info_ptr(imgclass, IMGTOOLINFO_STR_CREATEIMAGE_OPTSPEC));
module->image_extra_bytes += imgtool_get_info_int(imgclass, IMGTOOLINFO_INT_IMAGE_EXTRA_BYTES);
}
//-------------------------------------------------
// add
//-------------------------------------------------
void library::add(imgtool_get_info get_info)
{
int (*make_class)(int index, imgtool_class *imgclass);
imgtool_class imgclass;
int i, result;
// try this class
memset(&imgclass, 0, sizeof(imgclass));
imgclass.get_info = get_info;
// do we have derived getinfo functions?
make_class = (int (*)(int index, imgtool_class *imgclass))
imgtool_get_info_fct(&imgclass, IMGTOOLINFO_PTR_MAKE_CLASS);
if (make_class)
{
i = 0;
do
{
// clear out the class
memset(&imgclass, 0, sizeof(imgclass));
imgclass.get_info = get_info;
// make the class
result = make_class(i++, &imgclass);
if (result)
add_class(&imgclass);
}
while(result);
}
else
{
add_class(&imgclass);
}
}
//-------------------------------------------------
// unlink
//-------------------------------------------------
void library::unlink(const std::string &module_name)
{
const modulelist::iterator iter = find(module_name);
if (iter != m_modules.end())
m_modules.erase(iter);
}
//-------------------------------------------------
// module_compare
//-------------------------------------------------
int library::module_compare(const imgtool_module *m1, const imgtool_module *m2, sort_type sort)
{
int rc = 0;
switch(sort)
{
case sort_type::NAME:
rc = strcmp(m1->name, m2->name);
break;
case sort_type::DESCRIPTION:
rc = core_stricmp(m1->description, m2->description);
break;
}
return rc;
}
//-------------------------------------------------
// sort
//-------------------------------------------------
void library::sort(sort_type sort)
{
auto compare = [this, sort](const std::unique_ptr<imgtool_module> &a, const std::unique_ptr<imgtool_module> &b)
{
return module_compare(a.get(), b.get(), sort) < 0;
};
m_modules.sort(compare);
}
//-------------------------------------------------
// find
//-------------------------------------------------
library::modulelist::iterator library::find(const std::string &module_name)
{
return std::find_if(
m_modules.begin(),
m_modules.end(),
[module_name](std::unique_ptr<imgtool_module> &module) { return !module_name.compare(module->name); });
}
//-------------------------------------------------
// findmodule
//-------------------------------------------------
const imgtool_module *library::findmodule(const std::string &module_name)
{
modulelist::iterator iter = find(module_name);
return iter != m_modules.end()
? iter->get()
: nullptr;
}
//-------------------------------------------------
// imgtool_library_malloc
//-------------------------------------------------
void *library::imgtool_library_malloc(size_t mem)
{
return pool_malloc_lib(m_pool, mem);
}
//-------------------------------------------------
// imgtool_library_malloc
//-------------------------------------------------
char *library::imgtool_library_strdup(const char *s)
{
return pool_strdup_lib(m_pool, s);
}
//-------------------------------------------------
// imgtool_library_strdup_allow_null
//-------------------------------------------------
char *library::imgtool_library_strdup_allow_null(const char *s)
{
return s ? imgtool_library_strdup(s) : nullptr;
}
} // namespace imgtool
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