%module li_std_wstring // The languages below are yet to provide std_wstring.i #if !(defined(SWIGD) || defined(SWIGGO) || defined(SWIGGUILE) || defined(SWIGJAVASCRIPT) || defined(SWIGLUA) || defined(SWIGMZSCHEME) || defined(SWIGOCAML) || defined(SWIGOCTAVE) || defined(SWIGPERL) || defined(SWIGPHP) || defined(SWIGR) || defined(SWIGSCILAB)) %warnfilter(SWIGWARN_TYPEMAP_WCHARLEAK_MSG) wchar_t_const_ptr_member; // Setting a const wchar_t * variable may leak memory. %include <std_wstring.i> // throw is invalid in C++17 and later, only SWIG to use it #define TESTCASE_THROW1(T1) throw(T1) %{ #define TESTCASE_THROW1(T1) %} %{ // Unicode strings are stored in li_std_wstring.h file which has the BOM appropriately set, primarily for Visual C++ to correctly interpret the wide strings #include "li_std_wstring.h" %} %inline %{ #include <string> #include <iostream> bool trace = false; void show_wstring_bytes(const std::wstring &s) { unsigned char *p = (unsigned char *)s.data(); size_t len = s.size()*sizeof(wchar_t); std::wcout << L"s: " << /*s <<*/ L"["; for (size_t i = 0; i<len; i++) { std::wcout << std::hex << *p << L" "; p++; } std::wcout << L"]" << std::endl; std::wcout << std::flush; } wchar_t test_wcvalue(wchar_t x) { return x; } const wchar_t* test_ccvalue(const wchar_t* x) { return x; } wchar_t* test_cvalue(wchar_t* x) { return x; } wchar_t* test_wchar_overload() { return 0; } wchar_t* test_wchar_overload(wchar_t *x) { return x; } std::wstring test_value(std::wstring x) { if (trace) { std::wcout << "received(C++): " /*<< x */<< std::endl; show_wstring_bytes(x); } return x; } const std::wstring& test_const_reference(const std::wstring &x) { return x; } void test_pointer(std::wstring *x) { } void test_const_pointer(const std::wstring *x) { } void test_reference(std::wstring &x) { } bool test_equal(const wchar_t *wcs, const std::wstring& s) { if (trace) { show_wstring_bytes(wcs); show_wstring_bytes(s); } return wcs == s; } bool test_equal_abc(const std::wstring &s) { return test_equal(L"abc", s); } bool test_equal_jp(const std::wstring &s) { return test_equal(JP_WSTRING, s); } bool test_equal_de(const std::wstring &s) { return test_equal(DE_WSTRING, s); } bool test_equal_ru(const std::wstring &s) { return test_equal(RU_WSTRING, s); } void test_throw() TESTCASE_THROW1(std::wstring) { static std::wstring x = L"throwing test_throw"; throw x; } void test_throw_wchar_t_ptr() TESTCASE_THROW1(std::wstring) { static std::wstring x = JP_WSTRING; throw x; } void test_throw_jp() TESTCASE_THROW1(std::wstring) { static std::wstring x = JP_WSTRING; throw x; } void test_throw_ref_jp() TESTCASE_THROW1(const std::wstring&) { static std::wstring x = JP_WSTRING; throw x; } const char * non_utf8_c_str() { return "h\xe9llo"; } size_t size_wstring(const std::wstring& s) { return s.size(); } struct wchar_test_struct { wchar_t wchar_t_member; wchar_t* wchar_t_ptr_member; const wchar_t* wchar_t_const_ptr_member; wchar_test_struct() : wchar_t_member(), wchar_t_ptr_member(), wchar_t_const_ptr_member() {} }; %} #endif
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