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#include "storage/country.hpp"
#include "platform/platform.hpp"
#include "base/logging.hpp"
#include "3party/jansson/myjansson.hpp"
using platform::CountryFile;
namespace storage
{
uint64_t Country::Size(MapOptions opt) const
{
uint64_t size = 0;
for (CountryFile const & file : m_files)
size += file.GetRemoteSize(opt);
return size;
}
void Country::AddFile(CountryFile const & file) { m_files.push_back(file); }
////////////////////////////////////////////////////////////////////////
template <class ToDo>
void LoadGroupImpl(int depth, json_t * group, ToDo & toDo)
{
for (size_t i = 0; i < json_array_size(group); ++i)
{
json_t * j = json_array_get(group, i);
// name is mandatory
char const * name = json_string_value(json_object_get(j, "n"));
if (!name)
MYTHROW(my::Json::Exception, ("Country name is missing"));
char const * file = json_string_value(json_object_get(j, "f"));
// if file is empty, it's the same as the name
if (!file)
file = name;
char const * flag = json_string_value(json_object_get(j, "c"));
toDo(name, file, flag ? flag : "",
// We expect what mwm and routing files should be less 2Gb
static_cast<uint32_t>(json_integer_value(json_object_get(j, "s"))),
static_cast<uint32_t>(json_integer_value(json_object_get(j, "rs"))), depth);
json_t * children = json_object_get(j, "g");
if (children)
LoadGroupImpl(depth + 1, children, toDo);
}
}
template <class ToDo>
bool LoadCountriesImpl(string const & jsonBuffer, ToDo & toDo)
{
try
{
my::Json root(jsonBuffer.c_str());
json_t * children = json_object_get(root.get(), "g");
if (!children)
MYTHROW(my::Json::Exception, ("Root country doesn't have any groups"));
LoadGroupImpl(0, children, toDo);
return true;
}
catch (my::Json::Exception const & e)
{
LOG(LERROR, (e.Msg()));
return false;
}
}
namespace
{
class DoStoreCountries
{
CountriesContainerT & m_cont;
public:
DoStoreCountries(CountriesContainerT & cont) : m_cont(cont) {}
void operator()(string const & name, string const & file, string const & flag, uint32_t mapSize,
uint32_t routingSize, int depth)
{
Country country(name, flag);
if (mapSize)
{
CountryFile countryFile(file);
countryFile.SetRemoteSizes(mapSize, routingSize);
country.AddFile(countryFile);
}
m_cont.AddAtDepth(depth, country);
}
};
class DoStoreFile2Info
{
map<string, CountryInfo> & m_file2info;
string m_lastFlag;
public:
DoStoreFile2Info(map<string, CountryInfo> & file2info) : m_file2info(file2info) {}
void operator()(string name, string file, string const & flag, uint32_t mapSize, uint32_t, int)
{
if (!flag.empty())
m_lastFlag = flag;
if (mapSize)
{
CountryInfo info;
// if 'file' is empty - it's equal to 'name'
if (!file.empty())
{
// make compound name: country_region
size_t const i = file.find_first_of('_');
if (i != string::npos)
name = file.substr(0, i) + '_' + name;
// fill 'name' only when it differs with 'file'
if (name != file)
info.m_name.swap(name);
}
else
file.swap(name);
// Do not use 'name' here! It was swapped!
ASSERT(!m_lastFlag.empty(), ());
info.m_flag = m_lastFlag;
m_file2info[file] = info;
}
}
};
class DoStoreCode2File
{
multimap<string, string> & m_code2file;
public:
DoStoreCode2File(multimap<string, string> & code2file) : m_code2file(code2file) {}
void operator()(string const &, string const & file, string const & flag, uint32_t, uint32_t, int)
{
m_code2file.insert(make_pair(flag, file));
}
};
}
int64_t LoadCountries(string const & jsonBuffer, CountriesContainerT & countries)
{
countries.Clear();
int64_t version = -1;
try
{
my::Json root(jsonBuffer.c_str());
version = json_integer_value(json_object_get(root.get(), "v"));
DoStoreCountries doStore(countries);
if (!LoadCountriesImpl(jsonBuffer, doStore))
return -1;
}
catch (my::Json::Exception const & e)
{
LOG(LERROR, (e.Msg()));
}
return version;
}
void LoadCountryFile2CountryInfo(string const & jsonBuffer, map<string, CountryInfo> & id2info)
{
ASSERT(id2info.empty(), ());
DoStoreFile2Info doStore(id2info);
LoadCountriesImpl(jsonBuffer, doStore);
}
void LoadCountryCode2File(string const & jsonBuffer, multimap<string, string> & code2file)
{
ASSERT(code2file.empty(), ());
DoStoreCode2File doStore(code2file);
LoadCountriesImpl(jsonBuffer, doStore);
}
template <class T>
void SaveImpl(T const & v, json_t * jParent)
{
size_t const siblingsCount = v.SiblingsCount();
CHECK_GREATER(siblingsCount, 0, ());
my::JsonHandle jArray;
jArray.AttachNew(json_array());
for (size_t i = 0; i < siblingsCount; ++i)
{
my::JsonHandle jCountry;
jCountry.AttachNew(json_object());
string const strName = v[i].Value().Name();
CHECK(!strName.empty(), ("Empty country name?"));
json_object_set_new(jCountry.get(), "n", json_string(strName.c_str()));
string const strFlag = v[i].Value().Flag();
if (!strFlag.empty())
json_object_set_new(jCountry.get(), "c", json_string(strFlag.c_str()));
size_t countriesCount = v[i].Value().GetFilesCount();
ASSERT_LESS_OR_EQUAL(countriesCount, 1, ());
if (countriesCount > 0)
{
CountryFile const & file = v[i].Value().GetFile();
string const & strFile = file.GetNameWithoutExt();
if (strFile != strName)
json_object_set_new(jCountry.get(), "f", json_string(strFile.c_str()));
json_object_set_new(jCountry.get(), "s", json_integer(file.GetRemoteSize(MapOptions::Map)));
json_object_set_new(jCountry.get(), "rs",
json_integer(file.GetRemoteSize(MapOptions::CarRouting)));
}
if (v[i].SiblingsCount())
SaveImpl(v[i], jCountry.get());
json_array_append(jArray.get(), jCountry.get());
}
json_object_set(jParent, "g", jArray.get());
}
bool SaveCountries(int64_t version, CountriesContainerT const & countries, string & jsonBuffer)
{
my::JsonHandle root;
root.AttachNew(json_object());
json_object_set_new(root.get(), "v", json_integer(version));
json_object_set_new(root.get(), "n", json_string("World"));
SaveImpl(countries, root.get());
char * res = json_dumps(root.get(), JSON_PRESERVE_ORDER | JSON_COMPACT | JSON_INDENT(1));
jsonBuffer = res;
free(res);
return true;
}
} // namespace storage
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