static void LoadCustomStrings(const string& FileName, std::unordered_map<string, string>& Strings)
{
const os::fs::file CustomFile(FileName, FILE_READ_DATA, FILE_SHARE_READ, nullptr, OPEN_EXISTING);
if (!CustomFile)
return;
const auto CustomFileCodepage = GetFileCodepage(CustomFile, encoding::codepage::oem(), nullptr, false);
string SavedLabel;
for (const auto& i : enum_file_lines(CustomFile, CustomFileCodepage))
{
string_view Label, Text;
switch (parse_lng_line(trim(i.Str), true, Label, Text))
{
case lng_line_type::label:
SavedLabel = Label;
break;
case lng_line_type::text:
Strings.emplace(std::move(SavedLabel), ConvertString(Text));
SavedLabel.clear();
break;
case lng_line_type::both:
Strings.emplace(Label, ConvertString(Text));
break;
default:
break;
}
}
}
bool GetLangParam(const os::fs::file& LangFile, string_view const ParamName, string& strParam1, string* strParam2, uintptr_t CodePage)
{
const auto strFullParamName = concat(L'.', ParamName);
const auto CurFilePos = LangFile.GetPointer();
SCOPE_EXIT{ LangFile.SetPointer(CurFilePos, nullptr, FILE_BEGIN); };
for (const auto& i: enum_file_lines(LangFile, CodePage))
{
if (starts_with_icase(i.Str, strFullParamName))
{
const auto EqPos = i.Str.find(L'=');
if (EqPos != string::npos)
{
assign(strParam1, i.Str.substr(EqPos + 1));
if (strParam2)
strParam2->clear();
const auto pos = strParam1.find(L',');
if (pos != string::npos)
{
if (strParam2)
{
*strParam2 = trim_right(strParam1.substr(pos + 1));
}
strParam1.resize(pos);
}
inplace::trim_right(strParam1);
return true;
}
}
else if (starts_with(i.Str, L'"'))
{
// '"' indicates some meaningful string.
// Parameters can be only in the header, no point to go deeper
return false;
}
}
return false;
}
void language::load(const string& Path, const string& Language, int CountNeed)
{
SCOPED_ACTION(GuardLastError);
auto Data = m_Data->create();
const auto LangFileData = OpenLangFile(Path, LangFileMask, Language);
const auto& LangFile = std::get<0>(LangFileData);
const auto LangFileCodePage = std::get<2>(LangFileData);
if (!LangFile)
{
throw MAKE_EXCEPTION(exception, L"Cannot find language data"sv);
}
Data->m_FileName = LangFile.GetName();
if (CountNeed != -1)
{
Data->reserve(CountNeed);
}
std::unordered_map<string, size_t> id_map;
string label, text;
for (const auto& i: enum_file_lines(LangFile, LangFileCodePage))
{
bool have_text;
parse_lng_line(trim(i.Str), label, text, have_text);
if (have_text)
{
auto idx = Data->size();
Data->add(ConvertString(text));
if (!label.empty())
{
id_map[label] = idx;
label.clear();
}
}
}
// Проведем проверку на количество строк в LNG-файлах
if (CountNeed != -1 && CountNeed != static_cast<int>(Data->size()))
{
throw MAKE_EXCEPTION(exception, Data->m_FileName + L": language data is incorrect or damaged"sv);
}
// try to load Far<LNG>.lng.custom file(s)
//
if (!id_map.empty())
{
const auto& LoadStrings = [&](const string& FileName)
{
const os::fs::file CustomFile(FileName, FILE_READ_DATA, FILE_SHARE_READ, nullptr, OPEN_EXISTING);
if (!CustomFile)
return;
const auto CustomFileCodepage = GetFileCodepage(CustomFile, encoding::codepage::oem(), nullptr, false);
label.clear();
for (const auto& i: enum_file_lines(CustomFile, CustomFileCodepage))
{
bool have_text;
parse_lng_line(trim(i.Str), label, text, have_text);
if (have_text && !label.empty())
{
const auto found = id_map.find(label);
if (found != id_map.end())
{
Data->set_at(found->second, ConvertString(text));
}
label.clear();
}
}
};
const auto CustomLngInSameDir = Data->m_FileName + L".custom"sv;
const auto CustomLngInProfileDir = concat(Global->Opt->ProfilePath, L'\\', ExtractFileName(CustomLngInSameDir));
LoadStrings(CustomLngInSameDir);
LoadStrings(CustomLngInProfileDir);
}
m_Data = std::move(Data);
}
void language::load(const string& Path, const string& Language, int CountNeed)
{
SCOPED_ACTION(GuardLastError);
auto Data = m_Data->create();
const auto [LangFile, LangFileName, LangFileCodePage] = OpenLangFile(Path, LangFileMask, Language);
if (!LangFile)
{
throw MAKE_FAR_KNOWN_EXCEPTION(L"Cannot find language data"sv);
}
Data->m_FileName = LangFile.GetName();
if (CountNeed != -1)
{
Data->reserve(CountNeed);
}
// try to load Far<LNG>.lng.custom file(s)
std::unordered_map<string, string> CustomStrings;
const auto CustomLngInSameDir = Data->m_FileName + L".custom"sv;
const auto CustomLngInProfileDir = concat(Global->Opt->ProfilePath, L'\\', ExtractFileName(CustomLngInSameDir));
LoadCustomStrings(CustomLngInSameDir, CustomStrings);
LoadCustomStrings(CustomLngInProfileDir, CustomStrings);
const auto LoadLabels = !CustomStrings.empty();
string SavedLabel;
for (const auto& i: enum_file_lines(LangFile, LangFileCodePage))
{
string_view Label, Text;
switch (parse_lng_line(trim(i.Str), LoadLabels, Label, Text))
{
case lng_line_type::label:
SavedLabel = Label;
break;
case lng_line_type::text:
if (LoadLabels)
{
const auto Iterator = CustomStrings.find(SavedLabel);
if (Iterator != CustomStrings.cend())
{
Text = Iterator->second;
}
SavedLabel.clear();
}
Data->add(ConvertString(Text));
break;
default:
break;
}
}
// Проведем проверку на количество строк в LNG-файлах
if (CountNeed != -1 && CountNeed != static_cast<int>(Data->size()))
{
throw MAKE_FAR_KNOWN_EXCEPTION(Data->m_FileName + L": language data is incorrect or damaged"sv);
}
m_Data = std::move(Data);
}
