61 lines
2.9 KiB
C++
61 lines
2.9 KiB
C++
/* Copyright 2017 The MathWorks, Inc. */
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#ifndef __MEX_ENGINE_UTIL_IMPL_HPP__
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#define __MEX_ENGINE_UTIL_IMPL_HPP__
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#include <string>
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#include <iostream>
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#include <memory>
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#include "MatlabDataArray.hpp"
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EXTERN_C void mex_engine_utf8_to_utf16(const char* utf8, char16_t** utf16, size_t* errType);
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EXTERN_C void mex_engine_utf16_to_utf8(const char16_t* utf16, char** utf8, size_t* errType);
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EXTERN_C void mex_engine_destroy_utf8(char* utf8);
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EXTERN_C void mex_engine_destroy_utf16(char16_t* utf16);
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namespace matlab {
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namespace engine {
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namespace detail {
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enum class ConvertUTFStringExceptionType {
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CONVERT_ERROR = 1,
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OUT_OF_MEMORY = 2
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};
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}
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/*** matlab::engine definitions ***/
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inline std::basic_string<char16_t> convertUTF8StringToUTF16String(const std::string &utf8string) {
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char16_t* name = nullptr;
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size_t errType = 0;
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mex_engine_utf8_to_utf16(utf8string.c_str(), &name, &errType);
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if (errType > 0) {
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matlab::engine::detail::ConvertUTFStringExceptionType excType = static_cast<matlab::engine::detail::ConvertUTFStringExceptionType>(errType);
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//it could be either out of memory
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if (excType == matlab::engine::detail::ConvertUTFStringExceptionType::OUT_OF_MEMORY) throw(matlab::OutOfMemoryException("Not enough memory available to support the request."));
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// or std::range_error during the conversion
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if (excType == matlab::engine::detail::ConvertUTFStringExceptionType::CONVERT_ERROR) throw(TypeConversionException("The input cannot be converted to the requested type."));
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}
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std::unique_ptr<char16_t, void(*)(char16_t*)> guard(name, &mex_engine_destroy_utf16);
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std::u16string uName(name);
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return uName;
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}
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inline std::string convertUTF16StringToUTF8String(const std::basic_string<char16_t> &utf16string) {
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char* name = nullptr;
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size_t errType = 0;
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mex_engine_utf16_to_utf8(utf16string.c_str(), &name, &errType);
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if (errType > 0) {
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matlab::engine::detail::ConvertUTFStringExceptionType excType = static_cast<matlab::engine::detail::ConvertUTFStringExceptionType>(errType);
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//it could be either out of memory
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if (excType == matlab::engine::detail::ConvertUTFStringExceptionType::OUT_OF_MEMORY) throw(matlab::OutOfMemoryException("Not enough memory available to support the request."));
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// or std::range_error during the conversion
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if (excType == matlab::engine::detail::ConvertUTFStringExceptionType::CONVERT_ERROR) throw(TypeConversionException("The input cannot be converted to the requested type."));
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}
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std::unique_ptr<char, void(*)(char*)> guard(name, &mex_engine_destroy_utf8);
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std::string sName(name);
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return sName;
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}
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}
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}
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#endif
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