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75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
/*
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Copyright: © 2018 SIL International.
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Description: Internal keyboard class and adaptor class for the API.
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Create Date: 2 Oct 2018
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Authors: Tim Eves (TSE)
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History: 7 Oct 2018 - TSE - Refactored out of km_kbp_keyboard_api.cpp
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*/
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#include <codecvt>
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#include "keyboard.hpp"
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#include "json.hpp"
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#include "processor.hpp"
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using namespace km::kbp;
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std::string utf16_to_utf8(std::u16string utf16_string);
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keyboard::keyboard(std::filesystem::path const & path)
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: _keyboard_id(path.stem().u16string()),
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_version_string(u"3.145"),
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_folder_path(path.parent_path()),
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_default_opts {KM_KBP_OPTIONS_END}
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{
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version_string = _version_string.c_str();
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id = _keyboard_id.c_str();
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folder_path = _folder_path.native().c_str();
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default_options = _default_opts.data();
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if (path.extension() == ".kmx" ||
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path.extension() == ".KMX") { // Some legacy packages may include upper-case file extensions
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_processor = new kmx_processor(*this);
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}
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else if (path.extension() == ".mock") {
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_processor = new mock_processor(*this);
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}
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else {
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_processor = new null_processor(*this);
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}
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}
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json & km::kbp::operator << (json & j, km::kbp::keyboard const & kb)
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{
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j << json::object
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<< "id" << utf16_to_utf8(kb.id)
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<< "folder" << kb._folder_path.string()
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<< "version" << utf16_to_utf8(kb.version_string)
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<< "rules" << json::array << json::close;
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return j << json::close;
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}
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/*
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This function exists because of a bug in Visual Studio 2015 and 2017:
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https://social.msdn.microsoft.com/Forums/en-US/8f40dcd8-c67f-4eba-9134-a19b9178e481/vs-2015-rc-linker-stdcodecvt-error?forum=vcgeneral
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https://stackoverflow.com/a/35103224/1836776
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*/
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#if _MSC_VER >= 1900 /* VS 2015 */ && _MSC_VER <= 1915 /* VS 2017 */
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std::string utf16_to_utf8(std::u16string utf16_string)
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{
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std::wstring_convert<std::codecvt_utf8_utf16<int16_t>, int16_t> convert;
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auto p = reinterpret_cast<const int16_t *>(utf16_string.data());
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return convert.to_bytes(p, p + utf16_string.size());
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}
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#else
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std::string utf16_to_utf8(std::u16string utf16_string)
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{
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
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return convert.to_bytes(utf16_string);
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}
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#endif
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